./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.2.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_0fa676f8-68ec-4a1a-b3a5-acbcafaab3f5/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fa676f8-68ec-4a1a-b3a5-acbcafaab3f5/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_0fa676f8-68ec-4a1a-b3a5-acbcafaab3f5/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fa676f8-68ec-4a1a-b3a5-acbcafaab3f5/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fa676f8-68ec-4a1a-b3a5-acbcafaab3f5/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_0fa676f8-68ec-4a1a-b3a5-acbcafaab3f5/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 a49646d470191b782a92059c4dc0aa3c9bfd4337b487a4e1f4fe95d78e89fc63 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:28:54,571 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:28:54,626 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fa676f8-68ec-4a1a-b3a5-acbcafaab3f5/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 00:28:54,630 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:28:54,630 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:28:54,649 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:28:54,649 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:28:54,650 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:28:54,650 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:28:54,650 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:28:54,650 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:28:54,650 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:28:54,650 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:28:54,650 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:28:54,651 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:28:54,651 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:28:54,651 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:28:54,651 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:28:54,651 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:28:54,651 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:28:54,651 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:28:54,651 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:28:54,651 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:28:54,651 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:28:54,651 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:28:54,652 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:28:54,652 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:28:54,652 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:28:54,652 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:28:54,652 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:28:54,652 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_0fa676f8-68ec-4a1a-b3a5-acbcafaab3f5/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 -> a49646d470191b782a92059c4dc0aa3c9bfd4337b487a4e1f4fe95d78e89fc63 [2024-12-06 00:28:54,884 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:28:54,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:28:54,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:28:54,896 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:28:54,896 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:28:54,897 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fa676f8-68ec-4a1a-b3a5-acbcafaab3f5/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.2.prop1-back-serstep.c [2024-12-06 00:28:57,517 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fa676f8-68ec-4a1a-b3a5-acbcafaab3f5/bin/ukojak-verify-CZk0znPC7b/data/03c97a0f0/2f6b56cbb3654e80b942c2fb6f8a0f7e/FLAGf0b1f37e9 [2024-12-06 00:28:57,821 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:28:57,821 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fa676f8-68ec-4a1a-b3a5-acbcafaab3f5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.2.prop1-back-serstep.c [2024-12-06 00:28:57,836 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fa676f8-68ec-4a1a-b3a5-acbcafaab3f5/bin/ukojak-verify-CZk0znPC7b/data/03c97a0f0/2f6b56cbb3654e80b942c2fb6f8a0f7e/FLAGf0b1f37e9 [2024-12-06 00:28:58,079 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fa676f8-68ec-4a1a-b3a5-acbcafaab3f5/bin/ukojak-verify-CZk0znPC7b/data/03c97a0f0/2f6b56cbb3654e80b942c2fb6f8a0f7e [2024-12-06 00:28:58,081 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:28:58,082 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:28:58,083 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:28:58,083 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:28:58,086 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:28:58,087 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:28:58" (1/1) ... [2024-12-06 00:28:58,088 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@325b7963 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:58, skipping insertion in model container [2024-12-06 00:28:58,088 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:28:58" (1/1) ... [2024-12-06 00:28:58,138 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:28:58,305 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_0fa676f8-68ec-4a1a-b3a5-acbcafaab3f5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.2.prop1-back-serstep.c[1172,1185] [2024-12-06 00:28:58,659 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:28:58,666 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:28:58,672 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_0fa676f8-68ec-4a1a-b3a5-acbcafaab3f5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.2.prop1-back-serstep.c[1172,1185] [2024-12-06 00:28:58,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:28:58,908 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:28:58,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:58 WrapperNode [2024-12-06 00:28:58,908 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:28:58,909 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:28:58,909 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:28:58,909 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:28:58,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:58" (1/1) ... [2024-12-06 00:28:58,969 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:58" (1/1) ... [2024-12-06 00:28:59,728 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 8970 [2024-12-06 00:28:59,729 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:28:59,729 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:28:59,730 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:28:59,730 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:28:59,737 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:58" (1/1) ... [2024-12-06 00:28:59,737 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:58" (1/1) ... [2024-12-06 00:28:59,933 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:58" (1/1) ... [2024-12-06 00:28:59,934 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:58" (1/1) ... [2024-12-06 00:29:00,204 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:58" (1/1) ... [2024-12-06 00:29:00,246 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:58" (1/1) ... [2024-12-06 00:29:00,287 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:58" (1/1) ... [2024-12-06 00:29:00,335 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:58" (1/1) ... [2024-12-06 00:29:00,358 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:58" (1/1) ... [2024-12-06 00:29:00,522 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:29:00,523 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:29:00,523 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:29:00,523 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:29:00,524 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:58" (1/1) ... [2024-12-06 00:29:00,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:29:00,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fa676f8-68ec-4a1a-b3a5-acbcafaab3f5/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:29:00,551 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fa676f8-68ec-4a1a-b3a5-acbcafaab3f5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:29:00,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fa676f8-68ec-4a1a-b3a5-acbcafaab3f5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:29:00,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:29:00,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:29:00,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:29:00,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:29:01,021 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:29:01,023 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:29:11,459 INFO L? ?]: Removed 4883 outVars from TransFormulas that were not future-live. [2024-12-06 00:29:11,459 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:29:22,477 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:29:22,477 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:29:22,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:29:22 BoogieIcfgContainer [2024-12-06 00:29:22,478 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:29:22,478 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:29:22,478 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:29:22,485 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:29:22,485 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:29:22" (1/1) ... [2024-12-06 00:29:22,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:29:22,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:29:22,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 00:29:22,527 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 00:29:22,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:29:22,528 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:29:22,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:29:23,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:29:25,708 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 00:29:35,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:29:45,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:29:51,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.67s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:30:01,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:30:01,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:30:01,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 00:30:01,985 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 00:30:01,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:30:01,985 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:30:01,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:32:40,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:32:40,015 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:34:50,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:35:01,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:35:01,212 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 00:35:01,217 INFO L158 Benchmark]: Toolchain (without parser) took 363134.74ms. Allocated memory was 142.6MB in the beginning and 3.3GB in the end (delta: 3.1GB). Free memory was 113.2MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-12-06 00:35:01,217 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:35:01,218 INFO L158 Benchmark]: CACSL2BoogieTranslator took 826.12ms. Allocated memory is still 142.6MB. Free memory was 113.2MB in the beginning and 76.6MB in the end (delta: 36.6MB). Peak memory consumption was 105.6MB. Max. memory is 16.1GB. [2024-12-06 00:35:01,218 INFO L158 Benchmark]: Boogie Procedure Inliner took 819.49ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 76.6MB in the beginning and 121.4MB in the end (delta: -44.8MB). Peak memory consumption was 259.2MB. Max. memory is 16.1GB. [2024-12-06 00:35:01,219 INFO L158 Benchmark]: Boogie Preprocessor took 792.31ms. Allocated memory was 318.8MB in the beginning and 729.8MB in the end (delta: 411.0MB). Free memory was 121.4MB in the beginning and 479.9MB in the end (delta: -358.5MB). Peak memory consumption was 75.8MB. Max. memory is 16.1GB. [2024-12-06 00:35:01,220 INFO L158 Benchmark]: RCFGBuilder took 21955.17ms. Allocated memory was 729.8MB in the beginning and 1.1GB in the end (delta: 335.5MB). Free memory was 479.9MB in the beginning and 413.2MB in the end (delta: 66.8MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-12-06 00:35:01,220 INFO L158 Benchmark]: CodeCheck took 338737.65ms. Allocated memory was 1.1GB in the beginning and 3.3GB in the end (delta: 2.2GB). Free memory was 413.2MB in the beginning and 2.2GB in the end (delta: -1.8GB). Peak memory consumption was 448.5MB. Max. memory is 16.1GB. [2024-12-06 00:35:01,224 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 0.27ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 826.12ms. Allocated memory is still 142.6MB. Free memory was 113.2MB in the beginning and 76.6MB in the end (delta: 36.6MB). Peak memory consumption was 105.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 819.49ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 76.6MB in the beginning and 121.4MB in the end (delta: -44.8MB). Peak memory consumption was 259.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 792.31ms. Allocated memory was 318.8MB in the beginning and 729.8MB in the end (delta: 411.0MB). Free memory was 121.4MB in the beginning and 479.9MB in the end (delta: -358.5MB). Peak memory consumption was 75.8MB. Max. memory is 16.1GB. * RCFGBuilder took 21955.17ms. Allocated memory was 729.8MB in the beginning and 1.1GB in the end (delta: 335.5MB). Free memory was 479.9MB in the beginning and 413.2MB in the end (delta: 66.8MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. * CodeCheck took 338737.65ms. Allocated memory was 1.1GB in the beginning and 3.3GB in the end (delta: 2.2GB). Free memory was 413.2MB in the beginning and 2.2GB in the end (delta: -1.8GB). Peak memory consumption was 448.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 00:35:01,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fa676f8-68ec-4a1a-b3a5-acbcafaab3f5/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_0fa676f8-68ec-4a1a-b3a5-acbcafaab3f5/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fa676f8-68ec-4a1a-b3a5-acbcafaab3f5/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_0fa676f8-68ec-4a1a-b3a5-acbcafaab3f5/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fa676f8-68ec-4a1a-b3a5-acbcafaab3f5/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fa676f8-68ec-4a1a-b3a5-acbcafaab3f5/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_0fa676f8-68ec-4a1a-b3a5-acbcafaab3f5/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 a49646d470191b782a92059c4dc0aa3c9bfd4337b487a4e1f4fe95d78e89fc63 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:35:03,528 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:35:03,605 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fa676f8-68ec-4a1a-b3a5-acbcafaab3f5/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 00:35:03,632 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:35:03,633 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:35:03,633 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:35:03,633 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:35:03,634 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:35:03,634 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:35:03,634 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:35:03,634 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:35:03,634 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:35:03,634 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:35:03,634 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:35:03,634 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:35:03,634 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:35:03,634 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:35:03,635 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:35:03,635 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:35:03,635 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:35:03,635 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:35:03,635 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:35:03,635 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:35:03,635 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:35:03,636 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:35:03,636 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:35:03,636 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:35:03,636 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:35:03,636 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:35:03,636 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:35:03,636 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:35:03,636 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:35:03,636 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:35:03,636 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_0fa676f8-68ec-4a1a-b3a5-acbcafaab3f5/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 -> a49646d470191b782a92059c4dc0aa3c9bfd4337b487a4e1f4fe95d78e89fc63 [2024-12-06 00:35:03,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:35:03,886 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:35:03,888 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:35:03,889 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:35:03,890 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:35:03,891 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fa676f8-68ec-4a1a-b3a5-acbcafaab3f5/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.2.prop1-back-serstep.c [2024-12-06 00:35:06,698 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fa676f8-68ec-4a1a-b3a5-acbcafaab3f5/bin/ukojak-verify-CZk0znPC7b/data/0725f7b15/91274c714c9e4509bc0f729949906e59/FLAGd874675b8 [2024-12-06 00:35:06,990 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:35:06,991 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fa676f8-68ec-4a1a-b3a5-acbcafaab3f5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.2.prop1-back-serstep.c [2024-12-06 00:35:07,006 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fa676f8-68ec-4a1a-b3a5-acbcafaab3f5/bin/ukojak-verify-CZk0znPC7b/data/0725f7b15/91274c714c9e4509bc0f729949906e59/FLAGd874675b8 [2024-12-06 00:35:07,249 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fa676f8-68ec-4a1a-b3a5-acbcafaab3f5/bin/ukojak-verify-CZk0znPC7b/data/0725f7b15/91274c714c9e4509bc0f729949906e59 [2024-12-06 00:35:07,251 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:35:07,252 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:35:07,253 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:35:07,253 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:35:07,256 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:35:07,256 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:35:07" (1/1) ... [2024-12-06 00:35:07,257 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37f9da58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:35:07, skipping insertion in model container [2024-12-06 00:35:07,257 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:35:07" (1/1) ... [2024-12-06 00:35:07,302 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:35:07,463 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_0fa676f8-68ec-4a1a-b3a5-acbcafaab3f5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.2.prop1-back-serstep.c[1172,1185] [2024-12-06 00:35:07,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:35:07,777 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:35:07,787 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_0fa676f8-68ec-4a1a-b3a5-acbcafaab3f5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.2.prop1-back-serstep.c[1172,1185] [2024-12-06 00:35:07,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:35:07,957 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:35:07,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:35:07 WrapperNode [2024-12-06 00:35:07,957 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:35:07,958 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:35:07,959 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:35:07,959 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:35:07,965 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:35:07" (1/1) ... [2024-12-06 00:35:07,999 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:35:07" (1/1) ... [2024-12-06 00:35:08,097 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2770 [2024-12-06 00:35:08,097 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:35:08,098 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:35:08,098 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:35:08,098 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:35:08,105 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:35:07" (1/1) ... [2024-12-06 00:35:08,106 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:35:07" (1/1) ... [2024-12-06 00:35:08,123 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:35:07" (1/1) ... [2024-12-06 00:35:08,123 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:35:07" (1/1) ... [2024-12-06 00:35:08,166 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:35:07" (1/1) ... [2024-12-06 00:35:08,173 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:35:07" (1/1) ... [2024-12-06 00:35:08,178 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:35:07" (1/1) ... [2024-12-06 00:35:08,189 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:35:07" (1/1) ... [2024-12-06 00:35:08,198 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:35:07" (1/1) ... [2024-12-06 00:35:08,216 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:35:08,216 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:35:08,217 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:35:08,217 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:35:08,217 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:35:07" (1/1) ... [2024-12-06 00:35:08,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:35:08,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fa676f8-68ec-4a1a-b3a5-acbcafaab3f5/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:35:08,252 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fa676f8-68ec-4a1a-b3a5-acbcafaab3f5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:35:08,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fa676f8-68ec-4a1a-b3a5-acbcafaab3f5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:35:08,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:35:08,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:35:08,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:35:08,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:35:08,730 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:35:08,732 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:35:12,126 INFO L? ?]: Removed 279 outVars from TransFormulas that were not future-live. [2024-12-06 00:35:12,126 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:35:12,219 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:35:12,219 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:35:12,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:35:12 BoogieIcfgContainer [2024-12-06 00:35:12,219 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:35:12,220 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:35:12,220 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:35:12,229 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:35:12,229 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:35:12" (1/1) ... [2024-12-06 00:35:12,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:35:12,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:35:12,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 00:35:12,280 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 00:35:12,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:35:12,282 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:35:12,282 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:35:12,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fa676f8-68ec-4a1a-b3a5-acbcafaab3f5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:35:12,284 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fa676f8-68ec-4a1a-b3a5-acbcafaab3f5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:35:12,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fa676f8-68ec-4a1a-b3a5-acbcafaab3f5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:35:13,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:13,138 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:35:13,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:13,374 INFO L256 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 00:35:13,384 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:35:13,457 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 00:35:13,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fa676f8-68ec-4a1a-b3a5-acbcafaab3f5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:35:13,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:35:13,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 00:35:13,865 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 00:35:13,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:35:13,865 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:35:13,865 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:35:13,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fa676f8-68ec-4a1a-b3a5-acbcafaab3f5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:35:13,867 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fa676f8-68ec-4a1a-b3a5-acbcafaab3f5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:35:13,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fa676f8-68ec-4a1a-b3a5-acbcafaab3f5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 00:35:15,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:15,078 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:35:15,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:15,491 INFO L256 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 101 conjuncts are in the unsatisfiable core [2024-12-06 00:35:15,521 INFO L279 TraceCheckSpWp]: Computing forward predicates...