./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.4.prop1-func-interl.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_098d1c00-20db-4176-a199-c391b0009027/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098d1c00-20db-4176-a199-c391b0009027/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098d1c00-20db-4176-a199-c391b0009027/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098d1c00-20db-4176-a199-c391b0009027/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.4.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098d1c00-20db-4176-a199-c391b0009027/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098d1c00-20db-4176-a199-c391b0009027/bin/ukojak-verify-ENZ3QT5qd3 --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 e79e5033a77d5e6dfd858047a75297d142bfed9d879b3387b1ea8a4dea7cd291 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:15:04,839 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:15:04,959 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098d1c00-20db-4176-a199-c391b0009027/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 02:15:04,965 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:15:04,965 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:15:05,002 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:15:05,004 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:15:05,005 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:15:05,005 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:15:05,006 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:15:05,006 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:15:05,007 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:15:05,007 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:15:05,007 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:15:05,007 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:15:05,007 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:15:05,007 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:15:05,008 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:15:05,008 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:15:05,008 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:15:05,008 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:15:05,009 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:15:05,009 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:15:05,009 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:15:05,009 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:15:05,009 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:15:05,009 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:15:05,009 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:15:05,010 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:15:05,010 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:15:05,010 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_098d1c00-20db-4176-a199-c391b0009027/bin/ukojak-verify-ENZ3QT5qd3 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 -> e79e5033a77d5e6dfd858047a75297d142bfed9d879b3387b1ea8a4dea7cd291 [2024-11-25 02:15:05,350 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:15:05,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:15:05,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:15:05,364 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:15:05,365 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:15:05,366 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098d1c00-20db-4176-a199-c391b0009027/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.4.prop1-func-interl.c [2024-11-25 02:15:08,364 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098d1c00-20db-4176-a199-c391b0009027/bin/ukojak-verify-ENZ3QT5qd3/data/d4cf19c86/4c1aa4ddedcb4e1b8086cfb26a2b58df/FLAG21e944c67 [2024-11-25 02:15:08,948 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:15:08,949 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098d1c00-20db-4176-a199-c391b0009027/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.4.prop1-func-interl.c [2024-11-25 02:15:08,980 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098d1c00-20db-4176-a199-c391b0009027/bin/ukojak-verify-ENZ3QT5qd3/data/d4cf19c86/4c1aa4ddedcb4e1b8086cfb26a2b58df/FLAG21e944c67 [2024-11-25 02:15:09,001 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098d1c00-20db-4176-a199-c391b0009027/bin/ukojak-verify-ENZ3QT5qd3/data/d4cf19c86/4c1aa4ddedcb4e1b8086cfb26a2b58df [2024-11-25 02:15:09,005 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:15:09,006 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:15:09,009 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:15:09,009 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:15:09,017 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:15:09,018 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:15:09" (1/1) ... [2024-11-25 02:15:09,018 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e0f80e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:09, skipping insertion in model container [2024-11-25 02:15:09,020 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:15:09" (1/1) ... [2024-11-25 02:15:09,113 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:15:09,352 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_098d1c00-20db-4176-a199-c391b0009027/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.4.prop1-func-interl.c[1176,1189] [2024-11-25 02:15:10,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:15:10,046 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:15:10,053 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_098d1c00-20db-4176-a199-c391b0009027/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.4.prop1-func-interl.c[1176,1189] [2024-11-25 02:15:10,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:15:10,407 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:15:10,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:10 WrapperNode [2024-11-25 02:15:10,408 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:15:10,409 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:15:10,410 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:15:10,410 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:15:10,419 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:10" (1/1) ... [2024-11-25 02:15:10,518 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:10" (1/1) ... [2024-11-25 02:15:11,756 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 9370 [2024-11-25 02:15:11,758 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:15:11,758 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:15:11,759 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:15:11,759 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:15:11,768 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:10" (1/1) ... [2024-11-25 02:15:11,768 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:10" (1/1) ... [2024-11-25 02:15:12,090 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:10" (1/1) ... [2024-11-25 02:15:12,091 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:10" (1/1) ... [2024-11-25 02:15:12,404 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:10" (1/1) ... [2024-11-25 02:15:12,488 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:10" (1/1) ... [2024-11-25 02:15:12,557 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:10" (1/1) ... [2024-11-25 02:15:12,627 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:10" (1/1) ... [2024-11-25 02:15:12,673 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:10" (1/1) ... [2024-11-25 02:15:12,978 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:15:12,980 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:15:12,980 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:15:12,980 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:15:12,983 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:10" (1/1) ... [2024-11-25 02:15:12,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:15:13,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098d1c00-20db-4176-a199-c391b0009027/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:15:13,029 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098d1c00-20db-4176-a199-c391b0009027/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:15:13,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098d1c00-20db-4176-a199-c391b0009027/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:15:13,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:15:13,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:15:13,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:15:13,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:15:13,750 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:15:13,752 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:15:29,208 INFO L? ?]: Removed 5167 outVars from TransFormulas that were not future-live. [2024-11-25 02:15:29,209 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:15:45,132 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:15:45,132 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 02:15:45,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:15:45 BoogieIcfgContainer [2024-11-25 02:15:45,132 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:15:45,133 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:15:45,133 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:15:45,143 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:15:45,143 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:15:45" (1/1) ... [2024-11-25 02:15:45,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:15:45,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:15:45,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 02:15:45,209 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 02:15:45,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 02:15:45,211 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:15:45,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:15:45,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:47,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:15:58,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.43s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 02:16:08,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 02:16:08,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:16:08,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-25 02:16:08,713 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-25 02:16:08,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:16:08,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:16:08,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:18:06,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:18:18,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:18:18,143 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) [2024-11-25 02:18:18,149 INFO L158 Benchmark]: Toolchain (without parser) took 189142.11ms. Allocated memory was 142.6MB in the beginning and 6.2GB in the end (delta: 6.0GB). Free memory was 114.4MB in the beginning and 3.6GB in the end (delta: -3.5GB). Peak memory consumption was 2.5GB. Max. memory is 16.1GB. [2024-11-25 02:18:18,149 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 142.6MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:18:18,150 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1400.15ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 114.1MB in the beginning and 350.2MB in the end (delta: -236.1MB). Peak memory consumption was 113.2MB. Max. memory is 16.1GB. [2024-11-25 02:18:18,151 INFO L158 Benchmark]: Boogie Procedure Inliner took 1348.49ms. Allocated memory is still 419.4MB. Free memory was 350.2MB in the beginning and 210.9MB in the end (delta: 139.3MB). Peak memory consumption was 254.5MB. Max. memory is 16.1GB. [2024-11-25 02:18:18,151 INFO L158 Benchmark]: Boogie Preprocessor took 1219.79ms. Allocated memory was 419.4MB in the beginning and 1.3GB in the end (delta: 838.9MB). Free memory was 210.9MB in the beginning and 1.0GB in the end (delta: -793.9MB). Peak memory consumption was 92.7MB. Max. memory is 16.1GB. [2024-11-25 02:18:18,152 INFO L158 Benchmark]: RCFGBuilder took 32152.63ms. Allocated memory was 1.3GB in the beginning and 6.2GB in the end (delta: 4.9GB). Free memory was 1.0GB in the beginning and 4.8GB in the end (delta: -3.8GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. [2024-11-25 02:18:18,153 INFO L158 Benchmark]: CodeCheck took 153014.55ms. Allocated memory is still 6.2GB. Free memory was 4.8GB in the beginning and 3.6GB in the end (delta: 1.2GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-11-25 02:18:18,156 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 0.53ms. Allocated memory is still 142.6MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1400.15ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 114.1MB in the beginning and 350.2MB in the end (delta: -236.1MB). Peak memory consumption was 113.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1348.49ms. Allocated memory is still 419.4MB. Free memory was 350.2MB in the beginning and 210.9MB in the end (delta: 139.3MB). Peak memory consumption was 254.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1219.79ms. Allocated memory was 419.4MB in the beginning and 1.3GB in the end (delta: 838.9MB). Free memory was 210.9MB in the beginning and 1.0GB in the end (delta: -793.9MB). Peak memory consumption was 92.7MB. Max. memory is 16.1GB. * RCFGBuilder took 32152.63ms. Allocated memory was 1.3GB in the beginning and 6.2GB in the end (delta: 4.9GB). Free memory was 1.0GB in the beginning and 4.8GB in the end (delta: -3.8GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. * CodeCheck took 153014.55ms. Allocated memory is still 6.2GB. Free memory was 4.8GB in the beginning and 3.6GB in the end (delta: 1.2GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 02:18:18,368 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098d1c00-20db-4176-a199-c391b0009027/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-25 02:18:18,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098d1c00-20db-4176-a199-c391b0009027/bin/ukojak-verify-ENZ3QT5qd3/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_098d1c00-20db-4176-a199-c391b0009027/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098d1c00-20db-4176-a199-c391b0009027/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098d1c00-20db-4176-a199-c391b0009027/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098d1c00-20db-4176-a199-c391b0009027/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.4.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098d1c00-20db-4176-a199-c391b0009027/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098d1c00-20db-4176-a199-c391b0009027/bin/ukojak-verify-ENZ3QT5qd3 --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 e79e5033a77d5e6dfd858047a75297d142bfed9d879b3387b1ea8a4dea7cd291 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:18:21,899 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:18:22,064 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098d1c00-20db-4176-a199-c391b0009027/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-25 02:18:22,118 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:18:22,122 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:18:22,122 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:18:22,123 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:18:22,123 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:18:22,123 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:18:22,124 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:18:22,125 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:18:22,125 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:18:22,125 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:18:22,126 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:18:22,126 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:18:22,126 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:18:22,126 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:18:22,126 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:18:22,127 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:18:22,127 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:18:22,128 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:18:22,128 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:18:22,128 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:18:22,128 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:18:22,128 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:18:22,128 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:18:22,128 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:18:22,129 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:18:22,129 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:18:22,129 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:18:22,129 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:18:22,130 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:18:22,131 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:18:22,131 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_098d1c00-20db-4176-a199-c391b0009027/bin/ukojak-verify-ENZ3QT5qd3 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 -> e79e5033a77d5e6dfd858047a75297d142bfed9d879b3387b1ea8a4dea7cd291 [2024-11-25 02:18:22,549 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:18:22,559 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:18:22,563 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:18:22,565 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:18:22,565 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:18:22,570 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098d1c00-20db-4176-a199-c391b0009027/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.4.prop1-func-interl.c [2024-11-25 02:18:25,800 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098d1c00-20db-4176-a199-c391b0009027/bin/ukojak-verify-ENZ3QT5qd3/data/e33ee091d/18b1a0c0249e4b1b80bc1dd80547d4bd/FLAG08d4b2b78 [2024-11-25 02:18:26,277 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:18:26,281 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098d1c00-20db-4176-a199-c391b0009027/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.4.prop1-func-interl.c [2024-11-25 02:18:26,328 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098d1c00-20db-4176-a199-c391b0009027/bin/ukojak-verify-ENZ3QT5qd3/data/e33ee091d/18b1a0c0249e4b1b80bc1dd80547d4bd/FLAG08d4b2b78 [2024-11-25 02:18:26,351 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098d1c00-20db-4176-a199-c391b0009027/bin/ukojak-verify-ENZ3QT5qd3/data/e33ee091d/18b1a0c0249e4b1b80bc1dd80547d4bd [2024-11-25 02:18:26,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:18:26,358 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:18:26,360 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:18:26,360 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:18:26,365 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:18:26,366 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:18:26" (1/1) ... [2024-11-25 02:18:26,368 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cb564ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:18:26, skipping insertion in model container [2024-11-25 02:18:26,368 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:18:26" (1/1) ... [2024-11-25 02:18:26,467 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:18:26,703 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_098d1c00-20db-4176-a199-c391b0009027/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.4.prop1-func-interl.c[1176,1189] [2024-11-25 02:18:27,232 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:18:27,247 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:18:27,259 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_098d1c00-20db-4176-a199-c391b0009027/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.4.prop1-func-interl.c[1176,1189] [2024-11-25 02:18:27,520 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:18:27,538 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:18:27,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:18:27 WrapperNode [2024-11-25 02:18:27,540 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:18:27,541 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:18:27,542 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:18:27,542 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:18:27,550 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:18:27" (1/1) ... [2024-11-25 02:18:27,598 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:18:27" (1/1) ... [2024-11-25 02:18:27,768 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2830 [2024-11-25 02:18:27,768 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:18:27,769 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:18:27,769 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:18:27,769 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:18:27,779 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:18:27" (1/1) ... [2024-11-25 02:18:27,779 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:18:27" (1/1) ... [2024-11-25 02:18:27,810 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:18:27" (1/1) ... [2024-11-25 02:18:27,812 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:18:27" (1/1) ... [2024-11-25 02:18:27,920 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:18:27" (1/1) ... [2024-11-25 02:18:27,924 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:18:27" (1/1) ... [2024-11-25 02:18:27,937 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:18:27" (1/1) ... [2024-11-25 02:18:27,952 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:18:27" (1/1) ... [2024-11-25 02:18:27,972 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:18:27" (1/1) ... [2024-11-25 02:18:28,008 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:18:28,009 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:18:28,009 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:18:28,009 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:18:28,013 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:18:27" (1/1) ... [2024-11-25 02:18:28,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:18:28,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098d1c00-20db-4176-a199-c391b0009027/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:18:28,110 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098d1c00-20db-4176-a199-c391b0009027/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:18:28,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098d1c00-20db-4176-a199-c391b0009027/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:18:28,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:18:28,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 02:18:28,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:18:28,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:18:28,878 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:18:28,880 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:18:33,496 INFO L? ?]: Removed 101 outVars from TransFormulas that were not future-live. [2024-11-25 02:18:33,496 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:18:33,628 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:18:33,628 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 02:18:33,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:18:33 BoogieIcfgContainer [2024-11-25 02:18:33,629 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:18:33,630 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:18:33,630 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:18:33,640 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:18:33,641 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:18:33" (1/1) ... [2024-11-25 02:18:33,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:18:33,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:18:33,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 02:18:33,709 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 02:18:33,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 02:18:33,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:18:33,713 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:18:33,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098d1c00-20db-4176-a199-c391b0009027/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:18:33,718 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098d1c00-20db-4176-a199-c391b0009027/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:18:33,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098d1c00-20db-4176-a199-c391b0009027/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:18:34,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:18:34,703 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:18:34,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:18:34,931 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-25 02:18:34,944 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:18:35,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:18:35,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098d1c00-20db-4176-a199-c391b0009027/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-25 02:18:36,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:18:37,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:18:37,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-25 02:18:37,111 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-25 02:18:37,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:18:37,112 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:18:37,112 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:18:37,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098d1c00-20db-4176-a199-c391b0009027/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:18:37,115 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098d1c00-20db-4176-a199-c391b0009027/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:18:37,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098d1c00-20db-4176-a199-c391b0009027/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 02:18:39,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:18:39,671 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:18:40,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:18:40,282 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 02:18:40,310 INFO L279 TraceCheckSpWp]: Computing forward predicates...