./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.1.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8516a4d-9246-4a74-b8a8-94e7b5c83732/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8516a4d-9246-4a74-b8a8-94e7b5c83732/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_b8516a4d-9246-4a74-b8a8-94e7b5c83732/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8516a4d-9246-4a74-b8a8-94e7b5c83732/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8516a4d-9246-4a74-b8a8-94e7b5c83732/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_b8516a4d-9246-4a74-b8a8-94e7b5c83732/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 399797a2a82e7ab601629142cb42a4d76158071a7ffe3f0621c1197fa34d8914 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:02:16,619 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:02:16,692 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8516a4d-9246-4a74-b8a8-94e7b5c83732/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 04:02:16,699 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:02:16,700 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:02:16,736 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:02:16,737 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:02:16,738 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:02:16,739 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:02:16,739 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:02:16,739 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:02:16,740 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:02:16,740 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:02:16,740 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:02:16,741 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:02:16,741 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:02:16,741 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:02:16,741 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:02:16,741 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:02:16,741 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:02:16,741 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:02:16,742 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:02:16,742 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:02:16,742 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:02:16,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:02:16,742 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:02:16,743 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:02:16,743 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:02:16,743 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:02:16,743 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:02:16,743 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_b8516a4d-9246-4a74-b8a8-94e7b5c83732/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 -> 399797a2a82e7ab601629142cb42a4d76158071a7ffe3f0621c1197fa34d8914 [2024-11-25 04:02:17,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:02:17,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:02:17,069 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:02:17,071 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:02:17,071 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:02:17,072 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8516a4d-9246-4a74-b8a8-94e7b5c83732/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.1.prop1-back-serstep.c [2024-11-25 04:02:20,023 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8516a4d-9246-4a74-b8a8-94e7b5c83732/bin/ukojak-verify-ENZ3QT5qd3/data/0983b6df2/9d64ebc070624924a246bcf4075a202d/FLAGa1726db8f [2024-11-25 04:02:20,598 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:02:20,600 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8516a4d-9246-4a74-b8a8-94e7b5c83732/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.1.prop1-back-serstep.c [2024-11-25 04:02:20,624 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8516a4d-9246-4a74-b8a8-94e7b5c83732/bin/ukojak-verify-ENZ3QT5qd3/data/0983b6df2/9d64ebc070624924a246bcf4075a202d/FLAGa1726db8f [2024-11-25 04:02:20,639 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8516a4d-9246-4a74-b8a8-94e7b5c83732/bin/ukojak-verify-ENZ3QT5qd3/data/0983b6df2/9d64ebc070624924a246bcf4075a202d [2024-11-25 04:02:20,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:02:20,643 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:02:20,645 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:02:20,645 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:02:20,649 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:02:20,650 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:02:20" (1/1) ... [2024-11-25 04:02:20,651 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29260e26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:20, skipping insertion in model container [2024-11-25 04:02:20,652 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:02:20" (1/1) ... [2024-11-25 04:02:20,731 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:02:20,952 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_b8516a4d-9246-4a74-b8a8-94e7b5c83732/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.1.prop1-back-serstep.c[1171,1184] [2024-11-25 04:02:21,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:02:21,561 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:02:21,571 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_b8516a4d-9246-4a74-b8a8-94e7b5c83732/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.1.prop1-back-serstep.c[1171,1184] [2024-11-25 04:02:21,881 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:02:21,898 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:02:21,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:21 WrapperNode [2024-11-25 04:02:21,900 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:02:21,901 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:02:21,901 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:02:21,901 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:02:21,909 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:21" (1/1) ... [2024-11-25 04:02:21,997 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:21" (1/1) ... [2024-11-25 04:02:23,046 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 9370 [2024-11-25 04:02:23,046 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:02:23,047 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:02:23,047 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:02:23,047 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:02:23,053 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:21" (1/1) ... [2024-11-25 04:02:23,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:21" (1/1) ... [2024-11-25 04:02:23,430 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:21" (1/1) ... [2024-11-25 04:02:23,430 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:21" (1/1) ... [2024-11-25 04:02:23,832 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:21" (1/1) ... [2024-11-25 04:02:23,945 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:21" (1/1) ... [2024-11-25 04:02:24,038 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:21" (1/1) ... [2024-11-25 04:02:24,175 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:21" (1/1) ... [2024-11-25 04:02:24,218 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:21" (1/1) ... [2024-11-25 04:02:24,516 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:02:24,518 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:02:24,518 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:02:24,519 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:02:24,521 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:21" (1/1) ... [2024-11-25 04:02:24,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:02:24,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8516a4d-9246-4a74-b8a8-94e7b5c83732/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:02:24,660 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8516a4d-9246-4a74-b8a8-94e7b5c83732/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:02:24,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8516a4d-9246-4a74-b8a8-94e7b5c83732/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:02:24,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:02:24,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:02:24,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:02:24,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:02:25,484 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:02:25,486 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:02:41,252 INFO L? ?]: Removed 5132 outVars from TransFormulas that were not future-live. [2024-11-25 04:02:41,253 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:02:58,229 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:02:58,229 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 04:02:58,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:02:58 BoogieIcfgContainer [2024-11-25 04:02:58,230 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:02:58,231 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:02:58,231 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:02:58,241 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:02:58,241 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:02:58" (1/1) ... [2024-11-25 04:02:58,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:02:58,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:58,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 04:02:58,300 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 04:02:58,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 04:02:58,302 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:58,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:03:00,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:04,167 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 04:03:14,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.35s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:03:24,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:03:28,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:03:30,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:03:40,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:03:50,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:03:50,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:03:50,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-25 04:03:50,986 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-25 04:03:50,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:03:50,986 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:03:50,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:06:57,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:06:57,485 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:10:25,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:10:37,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:10:37,253 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 04:10:37,261 INFO L158 Benchmark]: Toolchain (without parser) took 496617.11ms. Allocated memory was 117.4MB in the beginning and 5.8GB in the end (delta: 5.7GB). Free memory was 88.7MB in the beginning and 4.8GB in the end (delta: -4.7GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2024-11-25 04:10:37,261 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 167.8MB. Free memory was 103.1MB in the beginning and 102.9MB in the end (delta: 216.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:10:37,262 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1255.33ms. Allocated memory was 117.4MB in the beginning and 377.5MB in the end (delta: 260.0MB). Free memory was 88.3MB in the beginning and 299.9MB in the end (delta: -211.6MB). Peak memory consumption was 90.9MB. Max. memory is 16.1GB. [2024-11-25 04:10:37,263 INFO L158 Benchmark]: Boogie Procedure Inliner took 1145.79ms. Allocated memory is still 377.5MB. Free memory was 299.9MB in the beginning and 160.2MB in the end (delta: 139.7MB). Peak memory consumption was 281.2MB. Max. memory is 16.1GB. [2024-11-25 04:10:37,263 INFO L158 Benchmark]: Boogie Preprocessor took 1469.22ms. Allocated memory was 377.5MB in the beginning and 671.1MB in the end (delta: 293.6MB). Free memory was 160.2MB in the beginning and 417.6MB in the end (delta: -257.5MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2024-11-25 04:10:37,264 INFO L158 Benchmark]: RCFGBuilder took 33712.70ms. Allocated memory was 671.1MB in the beginning and 3.3GB in the end (delta: 2.6GB). Free memory was 417.6MB in the beginning and 2.6GB in the end (delta: -2.2GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-11-25 04:10:37,265 INFO L158 Benchmark]: CodeCheck took 459028.46ms. Allocated memory was 3.3GB in the beginning and 5.8GB in the end (delta: 2.6GB). Free memory was 2.6GB in the beginning and 4.8GB in the end (delta: -2.2GB). Peak memory consumption was 407.5MB. Max. memory is 16.1GB. [2024-11-25 04:10:37,268 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 0.41ms. Allocated memory is still 167.8MB. Free memory was 103.1MB in the beginning and 102.9MB in the end (delta: 216.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1255.33ms. Allocated memory was 117.4MB in the beginning and 377.5MB in the end (delta: 260.0MB). Free memory was 88.3MB in the beginning and 299.9MB in the end (delta: -211.6MB). Peak memory consumption was 90.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1145.79ms. Allocated memory is still 377.5MB. Free memory was 299.9MB in the beginning and 160.2MB in the end (delta: 139.7MB). Peak memory consumption was 281.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1469.22ms. Allocated memory was 377.5MB in the beginning and 671.1MB in the end (delta: 293.6MB). Free memory was 160.2MB in the beginning and 417.6MB in the end (delta: -257.5MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * RCFGBuilder took 33712.70ms. Allocated memory was 671.1MB in the beginning and 3.3GB in the end (delta: 2.6GB). Free memory was 417.6MB in the beginning and 2.6GB in the end (delta: -2.2GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * CodeCheck took 459028.46ms. Allocated memory was 3.3GB in the beginning and 5.8GB in the end (delta: 2.6GB). Free memory was 2.6GB in the beginning and 4.8GB in the end (delta: -2.2GB). Peak memory consumption was 407.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 04:10:37,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8516a4d-9246-4a74-b8a8-94e7b5c83732/bin/ukojak-verify-ENZ3QT5qd3/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_b8516a4d-9246-4a74-b8a8-94e7b5c83732/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8516a4d-9246-4a74-b8a8-94e7b5c83732/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_b8516a4d-9246-4a74-b8a8-94e7b5c83732/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8516a4d-9246-4a74-b8a8-94e7b5c83732/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8516a4d-9246-4a74-b8a8-94e7b5c83732/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_b8516a4d-9246-4a74-b8a8-94e7b5c83732/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 399797a2a82e7ab601629142cb42a4d76158071a7ffe3f0621c1197fa34d8914 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:10:40,731 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:10:40,860 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8516a4d-9246-4a74-b8a8-94e7b5c83732/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-25 04:10:40,937 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:10:40,942 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:10:40,943 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:10:40,943 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:10:40,943 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:10:40,944 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:10:40,944 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:10:40,944 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:10:40,944 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:10:40,944 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:10:40,944 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:10:40,944 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:10:40,944 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:10:40,945 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:10:40,945 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:10:40,945 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:10:40,945 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:10:40,945 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:10:40,945 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:10:40,945 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:10:40,946 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:10:40,946 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:10:40,946 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:10:40,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:10:40,946 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:10:40,946 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:10:40,946 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:10:40,947 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:10:40,947 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:10:40,947 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:10:40,947 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_b8516a4d-9246-4a74-b8a8-94e7b5c83732/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 -> 399797a2a82e7ab601629142cb42a4d76158071a7ffe3f0621c1197fa34d8914 [2024-11-25 04:10:41,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:10:41,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:10:41,354 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:10:41,355 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:10:41,356 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:10:41,361 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8516a4d-9246-4a74-b8a8-94e7b5c83732/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.1.prop1-back-serstep.c [2024-11-25 04:10:44,506 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8516a4d-9246-4a74-b8a8-94e7b5c83732/bin/ukojak-verify-ENZ3QT5qd3/data/227850b21/d23d14db5d184942a906edc7082dca19/FLAGfae876552 [2024-11-25 04:10:44,910 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:10:44,915 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8516a4d-9246-4a74-b8a8-94e7b5c83732/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.1.prop1-back-serstep.c [2024-11-25 04:10:44,941 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8516a4d-9246-4a74-b8a8-94e7b5c83732/bin/ukojak-verify-ENZ3QT5qd3/data/227850b21/d23d14db5d184942a906edc7082dca19/FLAGfae876552 [2024-11-25 04:10:44,956 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8516a4d-9246-4a74-b8a8-94e7b5c83732/bin/ukojak-verify-ENZ3QT5qd3/data/227850b21/d23d14db5d184942a906edc7082dca19 [2024-11-25 04:10:44,960 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:10:44,962 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:10:44,965 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:10:44,965 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:10:44,970 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:10:44,970 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:10:44" (1/1) ... [2024-11-25 04:10:44,971 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f03b1f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:10:44, skipping insertion in model container [2024-11-25 04:10:44,974 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:10:44" (1/1) ... [2024-11-25 04:10:45,052 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:10:45,266 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_b8516a4d-9246-4a74-b8a8-94e7b5c83732/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.1.prop1-back-serstep.c[1171,1184] [2024-11-25 04:10:45,755 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:10:45,771 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:10:45,784 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_b8516a4d-9246-4a74-b8a8-94e7b5c83732/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.1.prop1-back-serstep.c[1171,1184] [2024-11-25 04:10:46,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:10:46,042 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:10:46,043 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:10:46 WrapperNode [2024-11-25 04:10:46,044 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:10:46,045 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:10:46,045 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:10:46,046 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:10:46,060 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:10:46" (1/1) ... [2024-11-25 04:10:46,131 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:10:46" (1/1) ... [2024-11-25 04:10:46,374 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2850 [2024-11-25 04:10:46,379 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:10:46,380 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:10:46,380 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:10:46,380 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:10:46,394 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:10:46" (1/1) ... [2024-11-25 04:10:46,394 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:10:46" (1/1) ... [2024-11-25 04:10:46,424 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:10:46" (1/1) ... [2024-11-25 04:10:46,424 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:10:46" (1/1) ... [2024-11-25 04:10:46,485 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:10:46" (1/1) ... [2024-11-25 04:10:46,489 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:10:46" (1/1) ... [2024-11-25 04:10:46,495 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:10:46" (1/1) ... [2024-11-25 04:10:46,505 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:10:46" (1/1) ... [2024-11-25 04:10:46,515 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:10:46" (1/1) ... [2024-11-25 04:10:46,548 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:10:46,549 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:10:46,549 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:10:46,549 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:10:46,550 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:10:46" (1/1) ... [2024-11-25 04:10:46,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:10:46,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8516a4d-9246-4a74-b8a8-94e7b5c83732/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:10:46,600 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8516a4d-9246-4a74-b8a8-94e7b5c83732/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:10:46,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8516a4d-9246-4a74-b8a8-94e7b5c83732/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:10:46,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:10:46,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 04:10:46,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:10:46,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:10:47,291 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:10:47,294 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:10:52,857 INFO L? ?]: Removed 273 outVars from TransFormulas that were not future-live. [2024-11-25 04:10:52,857 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:10:53,010 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:10:53,010 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 04:10:53,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:10:53 BoogieIcfgContainer [2024-11-25 04:10:53,011 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:10:53,012 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:10:53,012 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:10:53,028 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:10:53,029 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:10:53" (1/1) ... [2024-11-25 04:10:53,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:10:53,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:10:53,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 04:10:53,106 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 04:10:53,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 04:10:53,109 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:10:53,110 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:10:53,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8516a4d-9246-4a74-b8a8-94e7b5c83732/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:10:53,115 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8516a4d-9246-4a74-b8a8-94e7b5c83732/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:10:53,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8516a4d-9246-4a74-b8a8-94e7b5c83732/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:10:54,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:10:54,326 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:10:54,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:10:54,700 INFO L256 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:10:54,716 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:10:54,819 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 04:10:54,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8516a4d-9246-4a74-b8a8-94e7b5c83732/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-25 04:10:55,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:10:55,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-25 04:10:55,327 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-25 04:10:55,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:10:55,328 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:10:55,328 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:10:55,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8516a4d-9246-4a74-b8a8-94e7b5c83732/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:10:55,331 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8516a4d-9246-4a74-b8a8-94e7b5c83732/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:10:55,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8516a4d-9246-4a74-b8a8-94e7b5c83732/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 04:10:57,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:10:57,418 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:10:58,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:10:58,122 INFO L256 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 75 conjuncts are in the unsatisfiable core [2024-11-25 04:10:58,162 INFO L279 TraceCheckSpWp]: Computing forward predicates...