./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10157790-9302-4ea1-a018-e966156396a7/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10157790-9302-4ea1-a018-e966156396a7/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10157790-9302-4ea1-a018-e966156396a7/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10157790-9302-4ea1-a018-e966156396a7/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10157790-9302-4ea1-a018-e966156396a7/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10157790-9302-4ea1-a018-e966156396a7/bin/ukojak-verify-EEHR8qb7sm --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 56e32305e580f3037577c64bd7cf22d48e92622fbb42e9ac4939c1484d78341c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:24:00,609 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:24:00,666 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10157790-9302-4ea1-a018-e966156396a7/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 21:24:00,671 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:24:00,671 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:24:00,692 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:24:00,693 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:24:00,693 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:24:00,694 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:24:00,694 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:24:00,694 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:24:00,694 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:24:00,694 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:24:00,694 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:24:00,694 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:24:00,695 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:24:00,695 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:24:00,695 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:24:00,695 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:24:00,695 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:24:00,695 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:24:00,695 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:24:00,695 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:24:00,695 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:24:00,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:24:00,696 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:24:00,696 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:24:00,696 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:24:00,700 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:24:00,700 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:24:00,701 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_10157790-9302-4ea1-a018-e966156396a7/bin/ukojak-verify-EEHR8qb7sm 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 -> 56e32305e580f3037577c64bd7cf22d48e92622fbb42e9ac4939c1484d78341c [2024-11-13 21:24:01,011 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:24:01,021 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:24:01,024 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:24:01,025 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:24:01,026 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:24:01,028 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10157790-9302-4ea1-a018-e966156396a7/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 21:24:03,145 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:24:03,673 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:24:03,674 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10157790-9302-4ea1-a018-e966156396a7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-back-serstep.c [2024-11-13 21:24:03,705 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10157790-9302-4ea1-a018-e966156396a7/bin/ukojak-verify-EEHR8qb7sm/data/0f5422f31/5906f45811034538a5abff2092967672/FLAG4693624e7 [2024-11-13 21:24:03,730 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10157790-9302-4ea1-a018-e966156396a7/bin/ukojak-verify-EEHR8qb7sm/data/0f5422f31/5906f45811034538a5abff2092967672 [2024-11-13 21:24:03,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:24:03,738 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:24:03,741 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:24:03,741 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:24:03,746 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:24:03,747 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:24:03" (1/1) ... [2024-11-13 21:24:03,750 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4198f131 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:03, skipping insertion in model container [2024-11-13 21:24:03,750 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:24:03" (1/1) ... [2024-11-13 21:24:03,832 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:24:04,090 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_10157790-9302-4ea1-a018-e966156396a7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-back-serstep.c[1176,1189] [2024-11-13 21:24:04,588 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:24:04,597 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:24:04,608 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_10157790-9302-4ea1-a018-e966156396a7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-back-serstep.c[1176,1189] [2024-11-13 21:24:04,917 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:24:04,933 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:24:04,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:04 WrapperNode [2024-11-13 21:24:04,934 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:24:04,935 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:24:04,935 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:24:04,936 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:24:04,944 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:04" (1/1) ... [2024-11-13 21:24:05,040 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:04" (1/1) ... [2024-11-13 21:24:05,825 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5610 [2024-11-13 21:24:05,826 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:24:05,827 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:24:05,827 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:24:05,827 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:24:05,836 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:04" (1/1) ... [2024-11-13 21:24:05,836 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:04" (1/1) ... [2024-11-13 21:24:05,962 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:04" (1/1) ... [2024-11-13 21:24:05,963 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:04" (1/1) ... [2024-11-13 21:24:06,238 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:04" (1/1) ... [2024-11-13 21:24:06,330 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:04" (1/1) ... [2024-11-13 21:24:06,414 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:04" (1/1) ... [2024-11-13 21:24:06,445 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:04" (1/1) ... [2024-11-13 21:24:06,539 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:24:06,541 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:24:06,542 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:24:06,542 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:24:06,543 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:04" (1/1) ... [2024-11-13 21:24:06,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:24:06,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10157790-9302-4ea1-a018-e966156396a7/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:24:06,591 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10157790-9302-4ea1-a018-e966156396a7/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:24:06,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10157790-9302-4ea1-a018-e966156396a7/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:24:06,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:24:06,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:24:06,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:24:06,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:24:07,183 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:24:07,186 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:24:16,429 INFO L? ?]: Removed 3011 outVars from TransFormulas that were not future-live. [2024-11-13 21:24:16,429 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:24:26,758 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:24:26,758 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:24:26,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:24:26 BoogieIcfgContainer [2024-11-13 21:24:26,758 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:24:26,759 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:24:26,760 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:24:26,771 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:24:26,771 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:24:26" (1/1) ... [2024-11-13 21:24:26,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:24:26,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:24:26,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 21:24:26,848 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 21:24:26,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:24:26,850 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:24:26,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:24:28,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:31,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:24:41,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:24:51,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:25:02,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.68s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:25:02,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:02,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 21:25:02,204 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 21:25:02,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:25:02,204 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:02,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:26:11,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:26:22,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:26:22,130 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) [2024-11-13 21:26:22,137 INFO L158 Benchmark]: Toolchain (without parser) took 138399.56ms. Allocated memory was 117.4MB in the beginning and 3.5GB in the end (delta: 3.4GB). Free memory was 89.5MB in the beginning and 2.4GB in the end (delta: -2.3GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-11-13 21:26:22,138 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:26:22,138 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1194.15ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 63.7MB in the end (delta: 25.6MB). Peak memory consumption was 84.8MB. Max. memory is 16.1GB. [2024-11-13 21:26:22,139 INFO L158 Benchmark]: Boogie Procedure Inliner took 890.59ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 63.6MB in the beginning and 162.7MB in the end (delta: -99.1MB). Peak memory consumption was 110.6MB. Max. memory is 16.1GB. [2024-11-13 21:26:22,140 INFO L158 Benchmark]: Boogie Preprocessor took 712.51ms. Allocated memory is still 285.2MB. Free memory was 162.7MB in the beginning and 142.3MB in the end (delta: 20.4MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. [2024-11-13 21:26:22,140 INFO L158 Benchmark]: RCFGBuilder took 20217.59ms. Allocated memory was 285.2MB in the beginning and 3.5GB in the end (delta: 3.3GB). Free memory was 142.0MB in the beginning and 3.1GB in the end (delta: -2.9GB). Peak memory consumption was 953.6MB. Max. memory is 16.1GB. [2024-11-13 21:26:22,141 INFO L158 Benchmark]: CodeCheck took 115377.03ms. Allocated memory is still 3.5GB. Free memory was 3.1GB in the beginning and 2.4GB in the end (delta: 711.8MB). Peak memory consumption was 715.3MB. Max. memory is 16.1GB. [2024-11-13 21:26:22,144 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 0.49ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1194.15ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 63.7MB in the end (delta: 25.6MB). Peak memory consumption was 84.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 890.59ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 63.6MB in the beginning and 162.7MB in the end (delta: -99.1MB). Peak memory consumption was 110.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 712.51ms. Allocated memory is still 285.2MB. Free memory was 162.7MB in the beginning and 142.3MB in the end (delta: 20.4MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. * RCFGBuilder took 20217.59ms. Allocated memory was 285.2MB in the beginning and 3.5GB in the end (delta: 3.3GB). Free memory was 142.0MB in the beginning and 3.1GB in the end (delta: -2.9GB). Peak memory consumption was 953.6MB. Max. memory is 16.1GB. * CodeCheck took 115377.03ms. Allocated memory is still 3.5GB. Free memory was 3.1GB in the beginning and 2.4GB in the end (delta: 711.8MB). Peak memory consumption was 715.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 21:26:22,355 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10157790-9302-4ea1-a018-e966156396a7/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-13 21:26:22,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10157790-9302-4ea1-a018-e966156396a7/bin/ukojak-verify-EEHR8qb7sm/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_10157790-9302-4ea1-a018-e966156396a7/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10157790-9302-4ea1-a018-e966156396a7/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10157790-9302-4ea1-a018-e966156396a7/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10157790-9302-4ea1-a018-e966156396a7/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10157790-9302-4ea1-a018-e966156396a7/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10157790-9302-4ea1-a018-e966156396a7/bin/ukojak-verify-EEHR8qb7sm --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 56e32305e580f3037577c64bd7cf22d48e92622fbb42e9ac4939c1484d78341c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:26:25,376 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:26:25,482 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10157790-9302-4ea1-a018-e966156396a7/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 21:26:25,570 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:26:25,571 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:26:25,571 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:26:25,572 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:26:25,572 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:26:25,577 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:26:25,577 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:26:25,577 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:26:25,578 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:26:25,578 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:26:25,578 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:26:25,578 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:26:25,578 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:26:25,578 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:26:25,578 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:26:25,578 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:26:25,579 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:26:25,579 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:26:25,579 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:26:25,579 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:26:25,579 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:26:25,579 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:26:25,579 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:26:25,579 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:26:25,580 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:26:25,580 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:26:25,580 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:26:25,580 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:26:25,588 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:26:25,588 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:26:25,588 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_10157790-9302-4ea1-a018-e966156396a7/bin/ukojak-verify-EEHR8qb7sm 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 -> 56e32305e580f3037577c64bd7cf22d48e92622fbb42e9ac4939c1484d78341c [2024-11-13 21:26:25,918 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:26:25,928 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:26:25,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:26:25,932 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:26:25,933 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:26:25,935 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10157790-9302-4ea1-a018-e966156396a7/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 21:26:27,956 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:26:28,369 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:26:28,370 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10157790-9302-4ea1-a018-e966156396a7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-back-serstep.c [2024-11-13 21:26:28,414 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10157790-9302-4ea1-a018-e966156396a7/bin/ukojak-verify-EEHR8qb7sm/data/6c1adb61d/d45a4c7db65943e78f67b6f896c0406d/FLAGe8d20190c [2024-11-13 21:26:28,432 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10157790-9302-4ea1-a018-e966156396a7/bin/ukojak-verify-EEHR8qb7sm/data/6c1adb61d/d45a4c7db65943e78f67b6f896c0406d [2024-11-13 21:26:28,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:26:28,440 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:26:28,442 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:26:28,442 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:26:28,449 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:26:28,450 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:26:28" (1/1) ... [2024-11-13 21:26:28,452 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@333b85c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:26:28, skipping insertion in model container [2024-11-13 21:26:28,452 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:26:28" (1/1) ... [2024-11-13 21:26:28,530 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:26:28,811 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_10157790-9302-4ea1-a018-e966156396a7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-back-serstep.c[1176,1189] [2024-11-13 21:26:29,236 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:26:29,250 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:26:29,278 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_10157790-9302-4ea1-a018-e966156396a7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-back-serstep.c[1176,1189] [2024-11-13 21:26:29,521 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:26:29,539 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:26:29,540 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:26:29 WrapperNode [2024-11-13 21:26:29,540 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:26:29,542 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:26:29,542 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:26:29,542 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:26:29,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:26:29" (1/1) ... [2024-11-13 21:26:29,581 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:26:29" (1/1) ... [2024-11-13 21:26:29,699 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1722 [2024-11-13 21:26:29,700 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:26:29,700 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:26:29,700 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:26:29,701 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:26:29,709 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:26:29" (1/1) ... [2024-11-13 21:26:29,710 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:26:29" (1/1) ... [2024-11-13 21:26:29,722 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:26:29" (1/1) ... [2024-11-13 21:26:29,722 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:26:29" (1/1) ... [2024-11-13 21:26:29,766 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:26:29" (1/1) ... [2024-11-13 21:26:29,775 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:26:29" (1/1) ... [2024-11-13 21:26:29,791 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:26:29" (1/1) ... [2024-11-13 21:26:29,805 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:26:29" (1/1) ... [2024-11-13 21:26:29,831 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:26:29,839 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:26:29,839 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:26:29,839 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:26:29,840 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:26:29" (1/1) ... [2024-11-13 21:26:29,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:26:29,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10157790-9302-4ea1-a018-e966156396a7/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:26:29,885 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10157790-9302-4ea1-a018-e966156396a7/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:26:29,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10157790-9302-4ea1-a018-e966156396a7/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:26:29,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:26:29,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:26:29,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:26:29,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:26:30,465 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:26:30,467 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:26:37,671 INFO L? ?]: Removed 163 outVars from TransFormulas that were not future-live. [2024-11-13 21:26:37,671 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:26:37,761 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:26:37,761 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:26:37,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:26:37 BoogieIcfgContainer [2024-11-13 21:26:37,762 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:26:37,763 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:26:37,763 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:26:37,774 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:26:37,774 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:26:37" (1/1) ... [2024-11-13 21:26:37,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:26:37,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:26:37,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 21:26:37,842 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 21:26:37,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:26:37,844 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:26:37,845 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:26:37,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10157790-9302-4ea1-a018-e966156396a7/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:26:37,849 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10157790-9302-4ea1-a018-e966156396a7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:26:37,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10157790-9302-4ea1-a018-e966156396a7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:26:38,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:26:38,683 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:26:38,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:26:38,901 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 21:26:38,911 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:26:39,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:26:39,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10157790-9302-4ea1-a018-e966156396a7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 21:26:41,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:26:41,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:26:41,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 21:26:41,866 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 21:26:41,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:26:41,867 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:26:41,867 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:26:41,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10157790-9302-4ea1-a018-e966156396a7/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:26:41,870 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10157790-9302-4ea1-a018-e966156396a7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:26:41,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10157790-9302-4ea1-a018-e966156396a7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:26:43,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:26:43,991 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:26:44,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:26:44,557 INFO L255 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 60 conjuncts are in the unsatisfiable core [2024-11-13 21:26:44,593 INFO L278 TraceCheckSpWp]: Computing forward predicates...