./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.6.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9dfcb45-915f-4bc3-9b48-75e4703a60a6/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9dfcb45-915f-4bc3-9b48-75e4703a60a6/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9dfcb45-915f-4bc3-9b48-75e4703a60a6/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9dfcb45-915f-4bc3-9b48-75e4703a60a6/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.6.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9dfcb45-915f-4bc3-9b48-75e4703a60a6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9dfcb45-915f-4bc3-9b48-75e4703a60a6/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 983636dcfb5c49d7e1dd4044f6cc4b74c29f46badd7848ab318787f87ec479c1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:50:02,699 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:50:02,756 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9dfcb45-915f-4bc3-9b48-75e4703a60a6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-05 23:50:02,760 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:50:02,760 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:50:02,779 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:50:02,780 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:50:02,780 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:50:02,781 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:50:02,781 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:50:02,781 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:50:02,781 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:50:02,781 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:50:02,781 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:50:02,781 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:50:02,781 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:50:02,782 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:50:02,782 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:50:02,782 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:50:02,782 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:50:02,782 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:50:02,782 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:50:02,782 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:50:02,782 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:50:02,782 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:50:02,782 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:50:02,782 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:50:02,782 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:50:02,782 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:50:02,783 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:50:02,783 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_a9dfcb45-915f-4bc3-9b48-75e4703a60a6/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983636dcfb5c49d7e1dd4044f6cc4b74c29f46badd7848ab318787f87ec479c1 [2024-12-05 23:50:03,024 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:50:03,033 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:50:03,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:50:03,036 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:50:03,037 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:50:03,038 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9dfcb45-915f-4bc3-9b48-75e4703a60a6/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.6.prop1-back-serstep.c [2024-12-05 23:50:05,691 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9dfcb45-915f-4bc3-9b48-75e4703a60a6/bin/ukojak-verify-CZk0znPC7b/data/8d222cec9/1a860d7567a847aaa3400bf5e8522cf8/FLAG37f841e8f [2024-12-05 23:50:06,002 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:50:06,003 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9dfcb45-915f-4bc3-9b48-75e4703a60a6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.6.prop1-back-serstep.c [2024-12-05 23:50:06,024 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9dfcb45-915f-4bc3-9b48-75e4703a60a6/bin/ukojak-verify-CZk0znPC7b/data/8d222cec9/1a860d7567a847aaa3400bf5e8522cf8/FLAG37f841e8f [2024-12-05 23:50:06,038 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9dfcb45-915f-4bc3-9b48-75e4703a60a6/bin/ukojak-verify-CZk0znPC7b/data/8d222cec9/1a860d7567a847aaa3400bf5e8522cf8 [2024-12-05 23:50:06,040 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:50:06,041 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:50:06,043 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:50:06,043 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:50:06,047 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:50:06,048 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:50:06" (1/1) ... [2024-12-05 23:50:06,049 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b1e4514 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:50:06, skipping insertion in model container [2024-12-05 23:50:06,049 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:50:06" (1/1) ... [2024-12-05 23:50:06,099 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:50:06,269 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_a9dfcb45-915f-4bc3-9b48-75e4703a60a6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.6.prop1-back-serstep.c[1174,1187] [2024-12-05 23:50:06,646 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:50:06,655 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:50:06,665 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_a9dfcb45-915f-4bc3-9b48-75e4703a60a6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.6.prop1-back-serstep.c[1174,1187] [2024-12-05 23:50:06,873 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:50:06,918 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:50:06,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:50:06 WrapperNode [2024-12-05 23:50:06,918 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:50:06,919 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:50:06,919 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:50:06,919 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:50:06,924 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:50:06" (1/1) ... [2024-12-05 23:50:06,979 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:50:06" (1/1) ... [2024-12-05 23:50:07,576 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 8783 [2024-12-05 23:50:07,576 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:50:07,576 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:50:07,576 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:50:07,576 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:50:07,581 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:50:06" (1/1) ... [2024-12-05 23:50:07,582 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:50:06" (1/1) ... [2024-12-05 23:50:07,745 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:50:06" (1/1) ... [2024-12-05 23:50:07,745 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:50:06" (1/1) ... [2024-12-05 23:50:07,958 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:50:06" (1/1) ... [2024-12-05 23:50:07,995 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:50:06" (1/1) ... [2024-12-05 23:50:08,059 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:50:06" (1/1) ... [2024-12-05 23:50:08,187 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:50:06" (1/1) ... [2024-12-05 23:50:08,222 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:50:06" (1/1) ... [2024-12-05 23:50:08,354 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:50:08,356 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:50:08,356 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:50:08,356 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:50:08,357 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:50:06" (1/1) ... [2024-12-05 23:50:08,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:50:08,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9dfcb45-915f-4bc3-9b48-75e4703a60a6/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:50:08,384 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9dfcb45-915f-4bc3-9b48-75e4703a60a6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:50:08,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9dfcb45-915f-4bc3-9b48-75e4703a60a6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:50:08,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:50:08,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:50:08,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:50:08,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:50:08,935 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:50:08,937 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:50:18,254 INFO L? ?]: Removed 4900 outVars from TransFormulas that were not future-live. [2024-12-05 23:50:18,255 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:50:29,204 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:50:29,204 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 23:50:29,205 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:50:29 BoogieIcfgContainer [2024-12-05 23:50:29,205 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:50:29,205 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:50:29,205 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:50:29,212 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:50:29,212 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:50:29" (1/1) ... [2024-12-05 23:50:29,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:50:29,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:50:29,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 23:50:29,260 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 23:50:29,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 23:50:29,262 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:50:29,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:50:31,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:50:39,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:50:49,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:50:59,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:51:06,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.61s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:51:07,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:51:08,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:51:11,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:51:21,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:51:21,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:51:21,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-05 23:51:21,184 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-05 23:51:21,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:51:21,184 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:51:21,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:54:14,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:54:14,954 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:57:09,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:57:20,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:57:20,826 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 23:57:20,829 INFO L158 Benchmark]: Toolchain (without parser) took 434787.52ms. Allocated memory was 142.6MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 112.9MB in the beginning and 377.5MB in the end (delta: -264.6MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-12-05 23:57:20,829 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:57:20,830 INFO L158 Benchmark]: CACSL2BoogieTranslator took 875.93ms. Allocated memory is still 142.6MB. Free memory was 112.9MB in the beginning and 79.6MB in the end (delta: 33.2MB). Peak memory consumption was 115.7MB. Max. memory is 16.1GB. [2024-12-05 23:57:20,830 INFO L158 Benchmark]: Boogie Procedure Inliner took 656.78ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 79.6MB in the beginning and 136.3MB in the end (delta: -56.7MB). Peak memory consumption was 209.7MB. Max. memory is 16.1GB. [2024-12-05 23:57:20,831 INFO L158 Benchmark]: Boogie Preprocessor took 777.44ms. Allocated memory was 335.5MB in the beginning and 704.6MB in the end (delta: 369.1MB). Free memory was 136.3MB in the beginning and 465.8MB in the end (delta: -329.5MB). Peak memory consumption was 84.1MB. Max. memory is 16.1GB. [2024-12-05 23:57:20,831 INFO L158 Benchmark]: RCFGBuilder took 20849.15ms. Allocated memory was 704.6MB in the beginning and 1.9GB in the end (delta: 1.2GB). Free memory was 465.8MB in the beginning and 672.9MB in the end (delta: -207.1MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-12-05 23:57:20,832 INFO L158 Benchmark]: CodeCheck took 411622.73ms. Allocated memory was 1.9GB in the beginning and 1.7GB in the end (delta: -251.7MB). Free memory was 672.9MB in the beginning and 377.5MB in the end (delta: 295.4MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. [2024-12-05 23:57:20,834 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 875.93ms. Allocated memory is still 142.6MB. Free memory was 112.9MB in the beginning and 79.6MB in the end (delta: 33.2MB). Peak memory consumption was 115.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 656.78ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 79.6MB in the beginning and 136.3MB in the end (delta: -56.7MB). Peak memory consumption was 209.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 777.44ms. Allocated memory was 335.5MB in the beginning and 704.6MB in the end (delta: 369.1MB). Free memory was 136.3MB in the beginning and 465.8MB in the end (delta: -329.5MB). Peak memory consumption was 84.1MB. Max. memory is 16.1GB. * RCFGBuilder took 20849.15ms. Allocated memory was 704.6MB in the beginning and 1.9GB in the end (delta: 1.2GB). Free memory was 465.8MB in the beginning and 672.9MB in the end (delta: -207.1MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * CodeCheck took 411622.73ms. Allocated memory was 1.9GB in the beginning and 1.7GB in the end (delta: -251.7MB). Free memory was 672.9MB in the beginning and 377.5MB in the end (delta: 295.4MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 23:57:20,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9dfcb45-915f-4bc3-9b48-75e4703a60a6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9dfcb45-915f-4bc3-9b48-75e4703a60a6/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9dfcb45-915f-4bc3-9b48-75e4703a60a6/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9dfcb45-915f-4bc3-9b48-75e4703a60a6/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9dfcb45-915f-4bc3-9b48-75e4703a60a6/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.6.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9dfcb45-915f-4bc3-9b48-75e4703a60a6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9dfcb45-915f-4bc3-9b48-75e4703a60a6/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 983636dcfb5c49d7e1dd4044f6cc4b74c29f46badd7848ab318787f87ec479c1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:57:23,236 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:57:23,319 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9dfcb45-915f-4bc3-9b48-75e4703a60a6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-05 23:57:23,345 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:57:23,346 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:57:23,346 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:57:23,346 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:57:23,346 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:57:23,346 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:57:23,346 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:57:23,347 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:57:23,347 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:57:23,347 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:57:23,347 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:57:23,347 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:57:23,347 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:57:23,347 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:57:23,347 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:57:23,347 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:57:23,347 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:57:23,347 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:57:23,348 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:57:23,348 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:57:23,348 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:57:23,348 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:57:23,348 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:57:23,348 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:57:23,349 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:57:23,349 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:57:23,349 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:57:23,349 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:57:23,349 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:57:23,349 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:57:23,349 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_a9dfcb45-915f-4bc3-9b48-75e4703a60a6/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983636dcfb5c49d7e1dd4044f6cc4b74c29f46badd7848ab318787f87ec479c1 [2024-12-05 23:57:23,593 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:57:23,601 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:57:23,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:57:23,604 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:57:23,605 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:57:23,606 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9dfcb45-915f-4bc3-9b48-75e4703a60a6/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.6.prop1-back-serstep.c [2024-12-05 23:57:26,290 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9dfcb45-915f-4bc3-9b48-75e4703a60a6/bin/ukojak-verify-CZk0znPC7b/data/9769c1d5d/8b380d1cbeec459d890b178da00ecaa6/FLAG59159f383 [2024-12-05 23:57:26,558 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:57:26,559 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9dfcb45-915f-4bc3-9b48-75e4703a60a6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.6.prop1-back-serstep.c [2024-12-05 23:57:26,579 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9dfcb45-915f-4bc3-9b48-75e4703a60a6/bin/ukojak-verify-CZk0znPC7b/data/9769c1d5d/8b380d1cbeec459d890b178da00ecaa6/FLAG59159f383 [2024-12-05 23:57:26,593 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9dfcb45-915f-4bc3-9b48-75e4703a60a6/bin/ukojak-verify-CZk0znPC7b/data/9769c1d5d/8b380d1cbeec459d890b178da00ecaa6 [2024-12-05 23:57:26,596 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:57:26,597 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:57:26,599 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:57:26,599 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:57:26,603 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:57:26,604 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:57:26" (1/1) ... [2024-12-05 23:57:26,605 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@618cc811 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:57:26, skipping insertion in model container [2024-12-05 23:57:26,605 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:57:26" (1/1) ... [2024-12-05 23:57:26,653 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:57:26,811 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_a9dfcb45-915f-4bc3-9b48-75e4703a60a6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.6.prop1-back-serstep.c[1174,1187] [2024-12-05 23:57:27,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:57:27,138 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:57:27,147 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_a9dfcb45-915f-4bc3-9b48-75e4703a60a6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.6.prop1-back-serstep.c[1174,1187] [2024-12-05 23:57:27,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:57:27,333 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:57:27,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:57:27 WrapperNode [2024-12-05 23:57:27,333 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:57:27,334 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:57:27,334 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:57:27,335 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:57:27,340 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:57:27" (1/1) ... [2024-12-05 23:57:27,384 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:57:27" (1/1) ... [2024-12-05 23:57:27,482 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2983 [2024-12-05 23:57:27,482 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:57:27,483 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:57:27,483 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:57:27,483 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:57:27,488 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:57:27" (1/1) ... [2024-12-05 23:57:27,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:57:27" (1/1) ... [2024-12-05 23:57:27,503 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:57:27" (1/1) ... [2024-12-05 23:57:27,503 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:57:27" (1/1) ... [2024-12-05 23:57:27,554 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:57:27" (1/1) ... [2024-12-05 23:57:27,560 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:57:27" (1/1) ... [2024-12-05 23:57:27,566 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:57:27" (1/1) ... [2024-12-05 23:57:27,578 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:57:27" (1/1) ... [2024-12-05 23:57:27,589 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:57:27" (1/1) ... [2024-12-05 23:57:27,608 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:57:27,609 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:57:27,609 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:57:27,609 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:57:27,611 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:57:27" (1/1) ... [2024-12-05 23:57:27,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:57:27,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9dfcb45-915f-4bc3-9b48-75e4703a60a6/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:57:27,640 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9dfcb45-915f-4bc3-9b48-75e4703a60a6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:57:27,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9dfcb45-915f-4bc3-9b48-75e4703a60a6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:57:27,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:57:27,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 23:57:27,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:57:27,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:57:28,146 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:57:28,148 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:57:32,368 INFO L? ?]: Removed 275 outVars from TransFormulas that were not future-live. [2024-12-05 23:57:32,368 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:57:32,427 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:57:32,427 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 23:57:32,428 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:57:32 BoogieIcfgContainer [2024-12-05 23:57:32,428 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:57:32,428 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:57:32,428 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:57:32,434 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:57:32,435 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:57:32" (1/1) ... [2024-12-05 23:57:32,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:57:32,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:57:32,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 23:57:32,488 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 23:57:32,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 23:57:32,490 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:57:32,490 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:57:32,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9dfcb45-915f-4bc3-9b48-75e4703a60a6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:57:32,492 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9dfcb45-915f-4bc3-9b48-75e4703a60a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:57:32,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9dfcb45-915f-4bc3-9b48-75e4703a60a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 23:57:33,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:57:33,387 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:57:33,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:57:33,629 INFO L256 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-05 23:57:33,640 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:57:33,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:57:33,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9dfcb45-915f-4bc3-9b48-75e4703a60a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 23:57:34,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:57:34,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-05 23:57:34,143 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-05 23:57:34,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:57:34,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:57:34,144 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:57:34,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9dfcb45-915f-4bc3-9b48-75e4703a60a6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:57:34,146 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9dfcb45-915f-4bc3-9b48-75e4703a60a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:57:34,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9dfcb45-915f-4bc3-9b48-75e4703a60a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 23:57:35,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:57:35,531 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:57:35,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:57:35,978 INFO L256 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 91 conjuncts are in the unsatisfiable core [2024-12-05 23:57:36,001 INFO L279 TraceCheckSpWp]: Computing forward predicates...