./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lup.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_00f01554-8f21-49e1-82c5-f69d1c0aed0b/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f01554-8f21-49e1-82c5-f69d1c0aed0b/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_00f01554-8f21-49e1-82c5-f69d1c0aed0b/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f01554-8f21-49e1-82c5-f69d1c0aed0b/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lup.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f01554-8f21-49e1-82c5-f69d1c0aed0b/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_00f01554-8f21-49e1-82c5-f69d1c0aed0b/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 4c4f0b38cfd64536fdb0d08ca7bc491443535504d71c268be3dac8b3c6446ce2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:22:34,562 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:22:34,620 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f01554-8f21-49e1-82c5-f69d1c0aed0b/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 00:22:34,625 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:22:34,625 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:22:34,646 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:22:34,647 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:22:34,647 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:22:34,647 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:22:34,647 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:22:34,648 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:22:34,648 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:22:34,648 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:22:34,648 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:22:34,648 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:22:34,648 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:22:34,648 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:22:34,648 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:22:34,648 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:22:34,648 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:22:34,649 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:22:34,649 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:22:34,649 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:22:34,649 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:22:34,649 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:22:34,649 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:22:34,649 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:22:34,649 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:22:34,649 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:22:34,649 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:22:34,650 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_00f01554-8f21-49e1-82c5-f69d1c0aed0b/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 -> 4c4f0b38cfd64536fdb0d08ca7bc491443535504d71c268be3dac8b3c6446ce2 [2024-12-06 00:22:34,900 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:22:34,909 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:22:34,911 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:22:34,912 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:22:34,913 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:22:34,914 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f01554-8f21-49e1-82c5-f69d1c0aed0b/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lup.1.prop1-back-serstep.c [2024-12-06 00:22:37,576 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f01554-8f21-49e1-82c5-f69d1c0aed0b/bin/ukojak-verify-CZk0znPC7b/data/97c228192/a8ed989924414b5690eb83ad04e97a8f/FLAG42f93d965 [2024-12-06 00:22:37,885 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:22:37,886 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f01554-8f21-49e1-82c5-f69d1c0aed0b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lup.1.prop1-back-serstep.c [2024-12-06 00:22:37,906 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f01554-8f21-49e1-82c5-f69d1c0aed0b/bin/ukojak-verify-CZk0znPC7b/data/97c228192/a8ed989924414b5690eb83ad04e97a8f/FLAG42f93d965 [2024-12-06 00:22:37,920 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f01554-8f21-49e1-82c5-f69d1c0aed0b/bin/ukojak-verify-CZk0znPC7b/data/97c228192/a8ed989924414b5690eb83ad04e97a8f [2024-12-06 00:22:37,923 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:22:37,924 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:22:37,926 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:22:37,926 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:22:37,930 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:22:37,931 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:22:37" (1/1) ... [2024-12-06 00:22:37,931 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27c24db4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:22:37, skipping insertion in model container [2024-12-06 00:22:37,932 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:22:37" (1/1) ... [2024-12-06 00:22:37,986 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:22:38,164 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_00f01554-8f21-49e1-82c5-f69d1c0aed0b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lup.1.prop1-back-serstep.c[1171,1184] [2024-12-06 00:22:38,581 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:22:38,591 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:22:38,600 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_00f01554-8f21-49e1-82c5-f69d1c0aed0b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lup.1.prop1-back-serstep.c[1171,1184] [2024-12-06 00:22:38,867 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:22:38,880 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:22:38,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:22:38 WrapperNode [2024-12-06 00:22:38,881 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:22:38,882 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:22:38,882 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:22:38,882 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:22:38,888 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:22:38" (1/1) ... [2024-12-06 00:22:38,948 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:22:38" (1/1) ... [2024-12-06 00:22:39,680 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 10521 [2024-12-06 00:22:39,681 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:22:39,681 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:22:39,681 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:22:39,681 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:22:39,686 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:22:38" (1/1) ... [2024-12-06 00:22:39,686 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:22:38" (1/1) ... [2024-12-06 00:22:39,882 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:22:38" (1/1) ... [2024-12-06 00:22:39,882 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:22:38" (1/1) ... [2024-12-06 00:22:40,231 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:22:38" (1/1) ... [2024-12-06 00:22:40,286 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:22:38" (1/1) ... [2024-12-06 00:22:40,389 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:22:38" (1/1) ... [2024-12-06 00:22:40,467 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:22:38" (1/1) ... [2024-12-06 00:22:40,494 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:22:38" (1/1) ... [2024-12-06 00:22:40,634 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:22:40,635 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:22:40,635 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:22:40,635 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:22:40,636 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:22:38" (1/1) ... [2024-12-06 00:22:40,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:22:40,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f01554-8f21-49e1-82c5-f69d1c0aed0b/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:22:40,660 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f01554-8f21-49e1-82c5-f69d1c0aed0b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:22:40,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f01554-8f21-49e1-82c5-f69d1c0aed0b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:22:40,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:22:40,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:22:40,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:22:40,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:22:41,234 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:22:41,236 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:22:52,472 INFO L? ?]: Removed 5925 outVars from TransFormulas that were not future-live. [2024-12-06 00:22:52,473 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:23:06,949 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:23:06,949 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:23:06,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:23:06 BoogieIcfgContainer [2024-12-06 00:23:06,949 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:23:06,950 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:23:06,950 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:23:06,956 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:23:06,956 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:23:06" (1/1) ... [2024-12-06 00:23:06,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:23:06,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:23:06,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 00:23:06,994 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 00:23:06,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:23:06,995 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:23:06,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:23:08,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:10,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:23:20,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:23:30,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:23:32,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:23:35,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.63s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:23:46,267 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 [] [2024-12-06 00:23:46,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:23:46,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 00:23:46,300 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 00:23:46,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:23:46,300 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:23:46,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:28:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:28:13,588 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:32:21,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:32:33,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:32:33,581 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) [2024-12-06 00:32:33,586 INFO L158 Benchmark]: Toolchain (without parser) took 595660.97ms. Allocated memory was 142.6MB in the beginning and 4.7GB in the end (delta: 4.6GB). Free memory was 112.4MB in the beginning and 2.8GB in the end (delta: -2.7GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. [2024-12-06 00:32:33,587 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:32:33,587 INFO L158 Benchmark]: CACSL2BoogieTranslator took 955.52ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 112.4MB in the beginning and 72.9MB in the end (delta: 39.5MB). Peak memory consumption was 117.5MB. Max. memory is 16.1GB. [2024-12-06 00:32:33,588 INFO L158 Benchmark]: Boogie Procedure Inliner took 799.15ms. Allocated memory was 151.0MB in the beginning and 377.5MB in the end (delta: 226.5MB). Free memory was 72.9MB in the beginning and 156.9MB in the end (delta: -84.0MB). Peak memory consumption was 249.5MB. Max. memory is 16.1GB. [2024-12-06 00:32:33,589 INFO L158 Benchmark]: Boogie Preprocessor took 952.60ms. Allocated memory was 377.5MB in the beginning and 788.5MB in the end (delta: 411.0MB). Free memory was 156.9MB in the beginning and 509.3MB in the end (delta: -352.4MB). Peak memory consumption was 89.7MB. Max. memory is 16.1GB. [2024-12-06 00:32:33,590 INFO L158 Benchmark]: RCFGBuilder took 26315.02ms. Allocated memory was 788.5MB in the beginning and 2.9GB in the end (delta: 2.1GB). Free memory was 509.3MB in the beginning and 1.2GB in the end (delta: -679.0MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-12-06 00:32:33,590 INFO L158 Benchmark]: CodeCheck took 566634.20ms. Allocated memory was 2.9GB in the beginning and 4.7GB in the end (delta: 1.9GB). Free memory was 1.2GB in the beginning and 2.8GB in the end (delta: -1.6GB). Peak memory consumption was 266.2MB. Max. memory is 16.1GB. [2024-12-06 00:32:33,594 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 0.32ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 955.52ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 112.4MB in the beginning and 72.9MB in the end (delta: 39.5MB). Peak memory consumption was 117.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 799.15ms. Allocated memory was 151.0MB in the beginning and 377.5MB in the end (delta: 226.5MB). Free memory was 72.9MB in the beginning and 156.9MB in the end (delta: -84.0MB). Peak memory consumption was 249.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 952.60ms. Allocated memory was 377.5MB in the beginning and 788.5MB in the end (delta: 411.0MB). Free memory was 156.9MB in the beginning and 509.3MB in the end (delta: -352.4MB). Peak memory consumption was 89.7MB. Max. memory is 16.1GB. * RCFGBuilder took 26315.02ms. Allocated memory was 788.5MB in the beginning and 2.9GB in the end (delta: 2.1GB). Free memory was 509.3MB in the beginning and 1.2GB in the end (delta: -679.0MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * CodeCheck took 566634.20ms. Allocated memory was 2.9GB in the beginning and 4.7GB in the end (delta: 1.9GB). Free memory was 1.2GB in the beginning and 2.8GB in the end (delta: -1.6GB). Peak memory consumption was 266.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 00:32:33,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f01554-8f21-49e1-82c5-f69d1c0aed0b/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_00f01554-8f21-49e1-82c5-f69d1c0aed0b/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f01554-8f21-49e1-82c5-f69d1c0aed0b/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_00f01554-8f21-49e1-82c5-f69d1c0aed0b/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f01554-8f21-49e1-82c5-f69d1c0aed0b/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lup.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f01554-8f21-49e1-82c5-f69d1c0aed0b/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_00f01554-8f21-49e1-82c5-f69d1c0aed0b/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 4c4f0b38cfd64536fdb0d08ca7bc491443535504d71c268be3dac8b3c6446ce2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:32:35,815 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:32:35,895 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f01554-8f21-49e1-82c5-f69d1c0aed0b/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 00:32:35,920 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:32:35,921 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:32:35,921 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:32:35,921 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:32:35,921 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:32:35,921 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:32:35,922 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:32:35,922 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:32:35,922 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:32:35,922 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:32:35,922 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:32:35,922 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:32:35,922 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:32:35,922 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:32:35,922 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:32:35,923 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:32:35,923 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:32:35,923 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:32:35,923 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:32:35,923 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:32:35,923 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:32:35,923 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:32:35,923 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:32:35,923 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:32:35,923 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:32:35,923 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:32:35,923 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:32:35,924 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:32:35,924 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:32:35,924 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:32:35,924 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_00f01554-8f21-49e1-82c5-f69d1c0aed0b/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 -> 4c4f0b38cfd64536fdb0d08ca7bc491443535504d71c268be3dac8b3c6446ce2 [2024-12-06 00:32:36,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:32:36,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:32:36,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:32:36,153 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:32:36,153 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:32:36,154 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f01554-8f21-49e1-82c5-f69d1c0aed0b/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lup.1.prop1-back-serstep.c [2024-12-06 00:32:38,798 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f01554-8f21-49e1-82c5-f69d1c0aed0b/bin/ukojak-verify-CZk0znPC7b/data/4230ab1a4/2b957a6f04d0475382f2036ddeab7e32/FLAG0d9e58291 [2024-12-06 00:32:39,106 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:32:39,107 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f01554-8f21-49e1-82c5-f69d1c0aed0b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lup.1.prop1-back-serstep.c [2024-12-06 00:32:39,124 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f01554-8f21-49e1-82c5-f69d1c0aed0b/bin/ukojak-verify-CZk0znPC7b/data/4230ab1a4/2b957a6f04d0475382f2036ddeab7e32/FLAG0d9e58291 [2024-12-06 00:32:39,138 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f01554-8f21-49e1-82c5-f69d1c0aed0b/bin/ukojak-verify-CZk0znPC7b/data/4230ab1a4/2b957a6f04d0475382f2036ddeab7e32 [2024-12-06 00:32:39,141 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:32:39,142 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:32:39,143 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:32:39,144 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:32:39,148 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:32:39,149 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:32:39" (1/1) ... [2024-12-06 00:32:39,149 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42972c82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:32:39, skipping insertion in model container [2024-12-06 00:32:39,150 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:32:39" (1/1) ... [2024-12-06 00:32:39,209 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:32:39,393 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_00f01554-8f21-49e1-82c5-f69d1c0aed0b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lup.1.prop1-back-serstep.c[1171,1184] [2024-12-06 00:32:39,690 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:32:39,699 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:32:39,706 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_00f01554-8f21-49e1-82c5-f69d1c0aed0b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lup.1.prop1-back-serstep.c[1171,1184] [2024-12-06 00:32:39,851 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:32:39,861 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:32:39,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:32:39 WrapperNode [2024-12-06 00:32:39,862 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:32:39,862 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:32:39,862 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:32:39,862 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:32:39,868 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:32:39" (1/1) ... [2024-12-06 00:32:39,905 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:32:39" (1/1) ... [2024-12-06 00:32:39,996 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3281 [2024-12-06 00:32:39,996 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:32:39,997 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:32:39,997 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:32:39,997 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:32:40,002 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:32:39" (1/1) ... [2024-12-06 00:32:40,003 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:32:39" (1/1) ... [2024-12-06 00:32:40,024 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:32:39" (1/1) ... [2024-12-06 00:32:40,024 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:32:39" (1/1) ... [2024-12-06 00:32:40,079 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:32:39" (1/1) ... [2024-12-06 00:32:40,083 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:32:39" (1/1) ... [2024-12-06 00:32:40,088 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:32:39" (1/1) ... [2024-12-06 00:32:40,099 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:32:39" (1/1) ... [2024-12-06 00:32:40,110 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:32:39" (1/1) ... [2024-12-06 00:32:40,128 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:32:40,129 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:32:40,129 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:32:40,129 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:32:40,130 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:32:39" (1/1) ... [2024-12-06 00:32:40,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:32:40,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f01554-8f21-49e1-82c5-f69d1c0aed0b/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:32:40,157 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f01554-8f21-49e1-82c5-f69d1c0aed0b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:32:40,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f01554-8f21-49e1-82c5-f69d1c0aed0b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:32:40,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:32:40,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:32:40,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:32:40,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:32:40,673 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:32:40,675 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:32:44,842 INFO L? ?]: Removed 196 outVars from TransFormulas that were not future-live. [2024-12-06 00:32:44,842 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:32:44,910 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:32:44,910 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:32:44,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:32:44 BoogieIcfgContainer [2024-12-06 00:32:44,910 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:32:44,911 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:32:44,911 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:32:44,918 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:32:44,918 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:32:44" (1/1) ... [2024-12-06 00:32:44,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:32:44,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:44,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 00:32:44,959 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 00:32:44,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:32:44,961 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:44,961 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:32:44,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f01554-8f21-49e1-82c5-f69d1c0aed0b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:32:44,964 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f01554-8f21-49e1-82c5-f69d1c0aed0b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:32:44,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f01554-8f21-49e1-82c5-f69d1c0aed0b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:32:45,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:45,871 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:32:46,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:46,149 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 00:32:46,162 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:46,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:32:46,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f01554-8f21-49e1-82c5-f69d1c0aed0b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:32:46,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:46,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 00:32:46,704 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 00:32:46,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:32:46,705 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:46,705 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:32:46,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f01554-8f21-49e1-82c5-f69d1c0aed0b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:32:46,707 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f01554-8f21-49e1-82c5-f69d1c0aed0b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:32:46,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f01554-8f21-49e1-82c5-f69d1c0aed0b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 00:32:47,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:47,958 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:32:48,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:48,396 INFO L256 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-12-06 00:32:48,424 INFO L279 TraceCheckSpWp]: Computing forward predicates...