./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_a88238fe-82b6-441e-94ab-63e69d348a08/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88238fe-82b6-441e-94ab-63e69d348a08/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_a88238fe-82b6-441e-94ab-63e69d348a08/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88238fe-82b6-441e-94ab-63e69d348a08/bin/ukojak-verify-CZk0znPC7b/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_a88238fe-82b6-441e-94ab-63e69d348a08/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_a88238fe-82b6-441e-94ab-63e69d348a08/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 399797a2a82e7ab601629142cb42a4d76158071a7ffe3f0621c1197fa34d8914 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:47:10,630 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:47:10,696 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88238fe-82b6-441e-94ab-63e69d348a08/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 03:47:10,700 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:47:10,700 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:47:10,725 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:47:10,726 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:47:10,726 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:47:10,726 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:47:10,726 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:47:10,727 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:47:10,727 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:47:10,727 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:47:10,727 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:47:10,727 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:47:10,727 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:47:10,727 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:47:10,728 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:47:10,728 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:47:10,728 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:47:10,728 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:47:10,728 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:47:10,728 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:47:10,728 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:47:10,728 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:47:10,729 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:47:10,729 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:47:10,729 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:47:10,729 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:47:10,729 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:47:10,729 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_a88238fe-82b6-441e-94ab-63e69d348a08/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 -> 399797a2a82e7ab601629142cb42a4d76158071a7ffe3f0621c1197fa34d8914 [2024-12-06 03:47:11,020 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:47:11,030 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:47:11,032 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:47:11,034 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:47:11,034 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:47:11,036 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88238fe-82b6-441e-94ab-63e69d348a08/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.1.prop1-back-serstep.c [2024-12-06 03:47:13,882 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88238fe-82b6-441e-94ab-63e69d348a08/bin/ukojak-verify-CZk0znPC7b/data/0ab663ec9/25b7be913a8847a3b4d3612587915938/FLAG89c95e032 [2024-12-06 03:47:14,216 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:47:14,217 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88238fe-82b6-441e-94ab-63e69d348a08/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.1.prop1-back-serstep.c [2024-12-06 03:47:14,236 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88238fe-82b6-441e-94ab-63e69d348a08/bin/ukojak-verify-CZk0znPC7b/data/0ab663ec9/25b7be913a8847a3b4d3612587915938/FLAG89c95e032 [2024-12-06 03:47:14,254 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88238fe-82b6-441e-94ab-63e69d348a08/bin/ukojak-verify-CZk0znPC7b/data/0ab663ec9/25b7be913a8847a3b4d3612587915938 [2024-12-06 03:47:14,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:47:14,259 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:47:14,260 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:47:14,260 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:47:14,265 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:47:14,266 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:47:14" (1/1) ... [2024-12-06 03:47:14,267 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24d1fe68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:47:14, skipping insertion in model container [2024-12-06 03:47:14,267 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:47:14" (1/1) ... [2024-12-06 03:47:14,349 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:47:14,556 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_a88238fe-82b6-441e-94ab-63e69d348a08/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.1.prop1-back-serstep.c[1171,1184] [2024-12-06 03:47:15,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:47:15,011 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:47:15,022 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_a88238fe-82b6-441e-94ab-63e69d348a08/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.1.prop1-back-serstep.c[1171,1184] [2024-12-06 03:47:15,275 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:47:15,290 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:47:15,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:47:15 WrapperNode [2024-12-06 03:47:15,291 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:47:15,292 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:47:15,292 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:47:15,292 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:47:15,299 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:47:15" (1/1) ... [2024-12-06 03:47:15,352 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:47:15" (1/1) ... [2024-12-06 03:47:16,157 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 9370 [2024-12-06 03:47:16,158 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:47:16,158 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:47:16,158 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:47:16,158 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:47:16,165 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:47:15" (1/1) ... [2024-12-06 03:47:16,165 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:47:15" (1/1) ... [2024-12-06 03:47:16,372 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:47:15" (1/1) ... [2024-12-06 03:47:16,372 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:47:15" (1/1) ... [2024-12-06 03:47:16,713 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:47:15" (1/1) ... [2024-12-06 03:47:16,764 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:47:15" (1/1) ... [2024-12-06 03:47:16,846 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:47:15" (1/1) ... [2024-12-06 03:47:16,902 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:47:15" (1/1) ... [2024-12-06 03:47:16,928 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:47:15" (1/1) ... [2024-12-06 03:47:17,052 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:47:17,054 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:47:17,054 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:47:17,054 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:47:17,055 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:47:15" (1/1) ... [2024-12-06 03:47:17,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:47:17,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88238fe-82b6-441e-94ab-63e69d348a08/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:47:17,086 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88238fe-82b6-441e-94ab-63e69d348a08/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:47:17,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88238fe-82b6-441e-94ab-63e69d348a08/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:47:17,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:47:17,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:47:17,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:47:17,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:47:17,745 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:47:17,747 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:47:32,173 INFO L? ?]: Removed 5132 outVars from TransFormulas that were not future-live. [2024-12-06 03:47:32,173 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:47:47,321 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:47:47,321 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 03:47:47,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:47:47 BoogieIcfgContainer [2024-12-06 03:47:47,322 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:47:47,323 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:47:47,323 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:47:47,331 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:47:47,331 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:47:47" (1/1) ... [2024-12-06 03:47:47,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:47:47,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:47:47,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 03:47:47,387 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 03:47:47,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 03:47:47,390 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:47:47,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:47:49,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:47:52,302 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 03:48:02,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.42s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:48:12,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:48:17,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:48:18,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:48:20,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:48:30,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:48:30,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:48:30,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 03:48:30,975 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 03:48:30,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:48:30,976 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:48:30,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:51:45,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:51:45,865 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:55:15,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:55:26,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:55:26,341 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 03:55:26,345 INFO L158 Benchmark]: Toolchain (without parser) took 492086.07ms. Allocated memory was 142.6MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 112.3MB in the beginning and 861.2MB in the end (delta: -748.9MB). Peak memory consumption was 907.4MB. Max. memory is 16.1GB. [2024-12-06 03:55:26,345 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 142.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:55:26,346 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1031.32ms. Allocated memory is still 142.6MB. Free memory was 112.3MB in the beginning and 74.0MB in the end (delta: 38.3MB). Peak memory consumption was 105.7MB. Max. memory is 16.1GB. [2024-12-06 03:55:26,346 INFO L158 Benchmark]: Boogie Procedure Inliner took 865.75ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 73.3MB in the beginning and 109.6MB in the end (delta: -36.3MB). Peak memory consumption was 246.7MB. Max. memory is 16.1GB. [2024-12-06 03:55:26,347 INFO L158 Benchmark]: Boogie Preprocessor took 894.32ms. Allocated memory was 318.8MB in the beginning and 755.0MB in the end (delta: 436.2MB). Free memory was 109.6MB in the beginning and 481.3MB in the end (delta: -371.6MB). Peak memory consumption was 52.3MB. Max. memory is 16.1GB. [2024-12-06 03:55:26,347 INFO L158 Benchmark]: RCFGBuilder took 30268.26ms. Allocated memory was 755.0MB in the beginning and 1.2GB in the end (delta: 419.4MB). Free memory was 481.3MB in the beginning and 656.3MB in the end (delta: -175.1MB). Peak memory consumption was 983.5MB. Max. memory is 16.1GB. [2024-12-06 03:55:26,348 INFO L158 Benchmark]: CodeCheck took 459021.10ms. Allocated memory was 1.2GB in the beginning and 1.8GB in the end (delta: 620.8MB). Free memory was 656.3MB in the beginning and 861.2MB in the end (delta: -204.8MB). Peak memory consumption was 420.0MB. Max. memory is 16.1GB. [2024-12-06 03:55:26,351 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 0.38ms. Allocated memory is still 142.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1031.32ms. Allocated memory is still 142.6MB. Free memory was 112.3MB in the beginning and 74.0MB in the end (delta: 38.3MB). Peak memory consumption was 105.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 865.75ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 73.3MB in the beginning and 109.6MB in the end (delta: -36.3MB). Peak memory consumption was 246.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 894.32ms. Allocated memory was 318.8MB in the beginning and 755.0MB in the end (delta: 436.2MB). Free memory was 109.6MB in the beginning and 481.3MB in the end (delta: -371.6MB). Peak memory consumption was 52.3MB. Max. memory is 16.1GB. * RCFGBuilder took 30268.26ms. Allocated memory was 755.0MB in the beginning and 1.2GB in the end (delta: 419.4MB). Free memory was 481.3MB in the beginning and 656.3MB in the end (delta: -175.1MB). Peak memory consumption was 983.5MB. Max. memory is 16.1GB. * CodeCheck took 459021.10ms. Allocated memory was 1.2GB in the beginning and 1.8GB in the end (delta: 620.8MB). Free memory was 656.3MB in the beginning and 861.2MB in the end (delta: -204.8MB). Peak memory consumption was 420.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 03:55:26,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88238fe-82b6-441e-94ab-63e69d348a08/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_a88238fe-82b6-441e-94ab-63e69d348a08/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88238fe-82b6-441e-94ab-63e69d348a08/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_a88238fe-82b6-441e-94ab-63e69d348a08/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88238fe-82b6-441e-94ab-63e69d348a08/bin/ukojak-verify-CZk0znPC7b/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_a88238fe-82b6-441e-94ab-63e69d348a08/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_a88238fe-82b6-441e-94ab-63e69d348a08/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 399797a2a82e7ab601629142cb42a4d76158071a7ffe3f0621c1197fa34d8914 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:55:28,760 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:55:28,854 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88238fe-82b6-441e-94ab-63e69d348a08/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 03:55:28,888 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:55:28,889 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:55:28,889 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:55:28,889 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:55:28,889 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:55:28,890 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:55:28,890 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:55:28,890 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:55:28,890 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:55:28,890 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:55:28,890 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:55:28,890 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 03:55:28,890 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 03:55:28,891 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 03:55:28,891 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:55:28,891 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:55:28,891 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:55:28,891 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:55:28,891 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:55:28,891 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:55:28,891 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:55:28,892 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 03:55:28,892 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:55:28,892 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:55:28,892 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:55:28,892 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:55:28,892 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:55:28,892 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 03:55:28,893 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:55:28,893 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 03:55:28,893 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_a88238fe-82b6-441e-94ab-63e69d348a08/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 -> 399797a2a82e7ab601629142cb42a4d76158071a7ffe3f0621c1197fa34d8914 [2024-12-06 03:55:29,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:55:29,207 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:55:29,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:55:29,212 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:55:29,212 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:55:29,214 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88238fe-82b6-441e-94ab-63e69d348a08/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.1.prop1-back-serstep.c [2024-12-06 03:55:32,155 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88238fe-82b6-441e-94ab-63e69d348a08/bin/ukojak-verify-CZk0znPC7b/data/b6c32882a/20c1ee2f59294eb9ad212fc909c25ebd/FLAG461b4ee37 [2024-12-06 03:55:32,508 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:55:32,509 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88238fe-82b6-441e-94ab-63e69d348a08/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.1.prop1-back-serstep.c [2024-12-06 03:55:32,528 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88238fe-82b6-441e-94ab-63e69d348a08/bin/ukojak-verify-CZk0znPC7b/data/b6c32882a/20c1ee2f59294eb9ad212fc909c25ebd/FLAG461b4ee37 [2024-12-06 03:55:32,543 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88238fe-82b6-441e-94ab-63e69d348a08/bin/ukojak-verify-CZk0znPC7b/data/b6c32882a/20c1ee2f59294eb9ad212fc909c25ebd [2024-12-06 03:55:32,546 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:55:32,547 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:55:32,549 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:55:32,549 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:55:32,552 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:55:32,553 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:55:32" (1/1) ... [2024-12-06 03:55:32,554 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3822d07c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:55:32, skipping insertion in model container [2024-12-06 03:55:32,554 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:55:32" (1/1) ... [2024-12-06 03:55:32,612 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:55:32,786 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_a88238fe-82b6-441e-94ab-63e69d348a08/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.1.prop1-back-serstep.c[1171,1184] [2024-12-06 03:55:33,104 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:55:33,115 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:55:33,124 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_a88238fe-82b6-441e-94ab-63e69d348a08/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.1.prop1-back-serstep.c[1171,1184] [2024-12-06 03:55:33,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:55:33,278 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:55:33,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:55:33 WrapperNode [2024-12-06 03:55:33,278 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:55:33,279 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:55:33,279 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:55:33,279 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:55:33,285 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:55:33" (1/1) ... [2024-12-06 03:55:33,328 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:55:33" (1/1) ... [2024-12-06 03:55:33,438 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2850 [2024-12-06 03:55:33,438 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:55:33,439 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:55:33,439 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:55:33,439 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:55:33,445 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:55:33" (1/1) ... [2024-12-06 03:55:33,446 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:55:33" (1/1) ... [2024-12-06 03:55:33,465 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:55:33" (1/1) ... [2024-12-06 03:55:33,465 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:55:33" (1/1) ... [2024-12-06 03:55:33,518 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:55:33" (1/1) ... [2024-12-06 03:55:33,524 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:55:33" (1/1) ... [2024-12-06 03:55:33,531 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:55:33" (1/1) ... [2024-12-06 03:55:33,541 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:55:33" (1/1) ... [2024-12-06 03:55:33,553 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:55:33" (1/1) ... [2024-12-06 03:55:33,573 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:55:33,574 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:55:33,574 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:55:33,574 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:55:33,575 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:55:33" (1/1) ... [2024-12-06 03:55:33,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:55:33,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88238fe-82b6-441e-94ab-63e69d348a08/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:55:33,606 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88238fe-82b6-441e-94ab-63e69d348a08/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:55:33,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88238fe-82b6-441e-94ab-63e69d348a08/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:55:33,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:55:33,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 03:55:33,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:55:33,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:55:34,176 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:55:34,178 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:55:37,977 INFO L? ?]: Removed 273 outVars from TransFormulas that were not future-live. [2024-12-06 03:55:37,977 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:55:38,058 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:55:38,058 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 03:55:38,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:55:38 BoogieIcfgContainer [2024-12-06 03:55:38,059 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:55:38,059 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:55:38,059 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:55:38,068 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:55:38,068 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:55:38" (1/1) ... [2024-12-06 03:55:38,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:55:38,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:55:38,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 03:55:38,118 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 03:55:38,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 03:55:38,120 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:55:38,121 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:55:38,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88238fe-82b6-441e-94ab-63e69d348a08/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:55:38,123 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88238fe-82b6-441e-94ab-63e69d348a08/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:55:38,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88238fe-82b6-441e-94ab-63e69d348a08/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 03:55:39,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:55:39,228 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:55:39,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:55:39,522 INFO L256 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:55:39,531 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:55:39,613 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 03:55:39,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88238fe-82b6-441e-94ab-63e69d348a08/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 03:55:39,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:55:39,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 03:55:39,964 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 03:55:39,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:55:39,964 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:55:39,964 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:55:39,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88238fe-82b6-441e-94ab-63e69d348a08/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:55:39,967 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88238fe-82b6-441e-94ab-63e69d348a08/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:55:39,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88238fe-82b6-441e-94ab-63e69d348a08/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 03:55:41,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:55:41,401 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:55:41,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:55:41,856 INFO L256 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 75 conjuncts are in the unsatisfiable core [2024-12-06 03:55:41,887 INFO L279 TraceCheckSpWp]: Computing forward predicates...