./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w8_d8_e0.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_6e886218-4ab1-487f-a8ac-0b126f16434f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e886218-4ab1-487f-a8ac-0b126f16434f/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_6e886218-4ab1-487f-a8ac-0b126f16434f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e886218-4ab1-487f-a8ac-0b126f16434f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w8_d8_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e886218-4ab1-487f-a8ac-0b126f16434f/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_6e886218-4ab1-487f-a8ac-0b126f16434f/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 bc2e904f13a7fa14a7dbeef3e8e25f99c977216576e94bddd8177d4452d960d5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:54:04,730 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:54:04,785 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e886218-4ab1-487f-a8ac-0b126f16434f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 01:54:04,790 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:54:04,790 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:54:04,809 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:54:04,809 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:54:04,810 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:54:04,810 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:54:04,810 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:54:04,810 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:54:04,810 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:54:04,811 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:54:04,811 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:54:04,811 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:54:04,811 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:54:04,811 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:54:04,811 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:54:04,811 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:54:04,811 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:54:04,811 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:54:04,811 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:54:04,812 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:54:04,812 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:54:04,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:54:04,812 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:54:04,812 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:54:04,812 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:54:04,812 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:54:04,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:54:04,812 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_6e886218-4ab1-487f-a8ac-0b126f16434f/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 -> bc2e904f13a7fa14a7dbeef3e8e25f99c977216576e94bddd8177d4452d960d5 [2024-12-06 01:54:05,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:54:05,033 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:54:05,034 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:54:05,036 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:54:05,036 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:54:05,037 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e886218-4ab1-487f-a8ac-0b126f16434f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w8_d8_e0.c [2024-12-06 01:54:07,787 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e886218-4ab1-487f-a8ac-0b126f16434f/bin/ukojak-verify-CZk0znPC7b/data/7fde9993b/f6e0faafbd3b4a7d830cdfe0f1fb2107/FLAG4e26a7104 [2024-12-06 01:54:08,071 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:54:08,072 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e886218-4ab1-487f-a8ac-0b126f16434f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w8_d8_e0.c [2024-12-06 01:54:08,082 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e886218-4ab1-487f-a8ac-0b126f16434f/bin/ukojak-verify-CZk0znPC7b/data/7fde9993b/f6e0faafbd3b4a7d830cdfe0f1fb2107/FLAG4e26a7104 [2024-12-06 01:54:08,345 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e886218-4ab1-487f-a8ac-0b126f16434f/bin/ukojak-verify-CZk0znPC7b/data/7fde9993b/f6e0faafbd3b4a7d830cdfe0f1fb2107 [2024-12-06 01:54:08,347 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:54:08,349 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:54:08,349 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:54:08,350 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:54:08,353 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:54:08,354 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:54:08" (1/1) ... [2024-12-06 01:54:08,355 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29e72253 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:54:08, skipping insertion in model container [2024-12-06 01:54:08,355 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:54:08" (1/1) ... [2024-12-06 01:54:08,389 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:54:08,532 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_6e886218-4ab1-487f-a8ac-0b126f16434f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w8_d8_e0.c[1269,1282] [2024-12-06 01:54:08,723 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:54:08,732 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:54:08,742 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_6e886218-4ab1-487f-a8ac-0b126f16434f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w8_d8_e0.c[1269,1282] [2024-12-06 01:54:08,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:54:08,854 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:54:08,855 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:54:08 WrapperNode [2024-12-06 01:54:08,855 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:54:08,856 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:54:08,856 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:54:08,856 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:54:08,862 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:54:08" (1/1) ... [2024-12-06 01:54:08,886 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:54:08" (1/1) ... [2024-12-06 01:54:09,091 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2622 [2024-12-06 01:54:09,091 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:54:09,092 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:54:09,092 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:54:09,092 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:54:09,099 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:54:08" (1/1) ... [2024-12-06 01:54:09,099 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:54:08" (1/1) ... [2024-12-06 01:54:09,157 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:54:08" (1/1) ... [2024-12-06 01:54:09,157 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:54:08" (1/1) ... [2024-12-06 01:54:09,235 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:54:08" (1/1) ... [2024-12-06 01:54:09,245 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:54:08" (1/1) ... [2024-12-06 01:54:09,258 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:54:08" (1/1) ... [2024-12-06 01:54:09,291 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:54:08" (1/1) ... [2024-12-06 01:54:09,301 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:54:08" (1/1) ... [2024-12-06 01:54:09,351 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:54:09,352 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:54:09,352 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:54:09,352 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:54:09,353 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:54:08" (1/1) ... [2024-12-06 01:54:09,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:54:09,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e886218-4ab1-487f-a8ac-0b126f16434f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:54:09,383 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e886218-4ab1-487f-a8ac-0b126f16434f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:54:09,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e886218-4ab1-487f-a8ac-0b126f16434f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:54:09,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:54:09,412 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 01:54:09,412 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 01:54:09,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:54:09,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:54:09,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:54:09,653 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:54:09,655 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:54:12,355 INFO L? ?]: Removed 1452 outVars from TransFormulas that were not future-live. [2024-12-06 01:54:12,355 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:54:14,815 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:54:14,816 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:54:14,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:54:14 BoogieIcfgContainer [2024-12-06 01:54:14,816 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:54:14,817 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:54:14,817 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:54:14,826 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:54:14,826 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:54:14" (1/1) ... [2024-12-06 01:54:14,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:54:14,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:54:14,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2024-12-06 01:54:14,883 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2024-12-06 01:54:14,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-06 01:54:14,887 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:54:14,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:54:15,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:54:18,102 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-12-06 01:54:22,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.71s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:54:25,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:54:31,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.44s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:54:34,397 WARN L539 Checker$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 01:54:39,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.22s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:54:39,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:54:39,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 38 states and 51 transitions. [2024-12-06 01:54:39,640 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2024-12-06 01:54:39,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-12-06 01:54:39,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:54:39,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:54:51,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:54:51,324 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:55:01,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:55:12,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:55:12,153 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 01:55:12,157 INFO L158 Benchmark]: Toolchain (without parser) took 63808.46ms. Allocated memory was 142.6MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 116.9MB in the beginning and 850.7MB in the end (delta: -733.9MB). Peak memory consumption was 818.3MB. Max. memory is 16.1GB. [2024-12-06 01:55:12,157 INFO L158 Benchmark]: CDTParser took 0.32ms. 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 01:55:12,157 INFO L158 Benchmark]: CACSL2BoogieTranslator took 505.94ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 70.4MB in the end (delta: 46.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 01:55:12,158 INFO L158 Benchmark]: Boogie Procedure Inliner took 235.49ms. Allocated memory is still 142.6MB. Free memory was 70.4MB in the beginning and 56.4MB in the end (delta: 13.9MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2024-12-06 01:55:12,158 INFO L158 Benchmark]: Boogie Preprocessor took 259.52ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 56.4MB in the beginning and 352.1MB in the end (delta: -295.7MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2024-12-06 01:55:12,159 INFO L158 Benchmark]: RCFGBuilder took 5464.26ms. Allocated memory was 427.8MB in the beginning and 830.5MB in the end (delta: 402.7MB). Free memory was 352.0MB in the beginning and 584.3MB in the end (delta: -232.3MB). Peak memory consumption was 522.7MB. Max. memory is 16.1GB. [2024-12-06 01:55:12,159 INFO L158 Benchmark]: CodeCheck took 57339.44ms. Allocated memory was 830.5MB in the beginning and 1.7GB in the end (delta: 864.0MB). Free memory was 584.3MB in the beginning and 850.7MB in the end (delta: -266.5MB). Peak memory consumption was 601.6MB. Max. memory is 16.1GB. [2024-12-06 01:55:12,161 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 505.94ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 70.4MB in the end (delta: 46.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 235.49ms. Allocated memory is still 142.6MB. Free memory was 70.4MB in the beginning and 56.4MB in the end (delta: 13.9MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 259.52ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 56.4MB in the beginning and 352.1MB in the end (delta: -295.7MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. * RCFGBuilder took 5464.26ms. Allocated memory was 427.8MB in the beginning and 830.5MB in the end (delta: 402.7MB). Free memory was 352.0MB in the beginning and 584.3MB in the end (delta: -232.3MB). Peak memory consumption was 522.7MB. Max. memory is 16.1GB. * CodeCheck took 57339.44ms. Allocated memory was 830.5MB in the beginning and 1.7GB in the end (delta: 864.0MB). Free memory was 584.3MB in the beginning and 850.7MB in the end (delta: -266.5MB). Peak memory consumption was 601.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 01:55:12,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e886218-4ab1-487f-a8ac-0b126f16434f/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_6e886218-4ab1-487f-a8ac-0b126f16434f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e886218-4ab1-487f-a8ac-0b126f16434f/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_6e886218-4ab1-487f-a8ac-0b126f16434f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e886218-4ab1-487f-a8ac-0b126f16434f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w8_d8_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e886218-4ab1-487f-a8ac-0b126f16434f/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_6e886218-4ab1-487f-a8ac-0b126f16434f/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 bc2e904f13a7fa14a7dbeef3e8e25f99c977216576e94bddd8177d4452d960d5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:55:14,160 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:55:14,246 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e886218-4ab1-487f-a8ac-0b126f16434f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 01:55:14,273 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:55:14,274 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:55:14,274 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:55:14,274 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:55:14,274 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:55:14,274 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:55:14,274 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:55:14,275 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:55:14,275 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:55:14,275 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:55:14,275 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:55:14,275 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:55:14,275 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:55:14,275 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:55:14,275 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:55:14,275 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:55:14,275 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:55:14,275 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:55:14,276 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:55:14,276 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:55:14,276 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:55:14,276 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:55:14,276 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:55:14,276 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:55:14,276 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:55:14,276 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:55:14,276 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:55:14,276 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:55:14,276 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:55:14,276 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:55:14,276 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_6e886218-4ab1-487f-a8ac-0b126f16434f/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 -> bc2e904f13a7fa14a7dbeef3e8e25f99c977216576e94bddd8177d4452d960d5 [2024-12-06 01:55:14,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:55:14,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:55:14,537 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:55:14,539 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:55:14,539 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:55:14,540 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e886218-4ab1-487f-a8ac-0b126f16434f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w8_d8_e0.c [2024-12-06 01:55:17,230 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e886218-4ab1-487f-a8ac-0b126f16434f/bin/ukojak-verify-CZk0znPC7b/data/7207487a4/466b7fbda73d4fde88045e0b9d84d70f/FLAG6312716bd [2024-12-06 01:55:17,458 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:55:17,459 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e886218-4ab1-487f-a8ac-0b126f16434f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w8_d8_e0.c [2024-12-06 01:55:17,471 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e886218-4ab1-487f-a8ac-0b126f16434f/bin/ukojak-verify-CZk0znPC7b/data/7207487a4/466b7fbda73d4fde88045e0b9d84d70f/FLAG6312716bd [2024-12-06 01:55:17,486 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e886218-4ab1-487f-a8ac-0b126f16434f/bin/ukojak-verify-CZk0znPC7b/data/7207487a4/466b7fbda73d4fde88045e0b9d84d70f [2024-12-06 01:55:17,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:55:17,489 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:55:17,491 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:55:17,491 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:55:17,495 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:55:17,496 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:55:17" (1/1) ... [2024-12-06 01:55:17,497 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18c9bb65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:55:17, skipping insertion in model container [2024-12-06 01:55:17,497 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:55:17" (1/1) ... [2024-12-06 01:55:17,533 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:55:17,681 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_6e886218-4ab1-487f-a8ac-0b126f16434f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w8_d8_e0.c[1269,1282] [2024-12-06 01:55:17,862 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:55:17,872 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:55:17,879 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_6e886218-4ab1-487f-a8ac-0b126f16434f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w8_d8_e0.c[1269,1282] [2024-12-06 01:55:17,965 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:55:17,978 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:55:17,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:55:17 WrapperNode [2024-12-06 01:55:17,979 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:55:17,980 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:55:17,980 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:55:17,980 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:55:17,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:55:17" (1/1) ... [2024-12-06 01:55:18,005 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:55:17" (1/1) ... [2024-12-06 01:55:18,060 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1126 [2024-12-06 01:55:18,060 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:55:18,061 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:55:18,061 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:55:18,061 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:55:18,069 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:55:17" (1/1) ... [2024-12-06 01:55:18,069 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:55:17" (1/1) ... [2024-12-06 01:55:18,077 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:55:17" (1/1) ... [2024-12-06 01:55:18,078 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:55:17" (1/1) ... [2024-12-06 01:55:18,100 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:55:17" (1/1) ... [2024-12-06 01:55:18,103 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:55:17" (1/1) ... [2024-12-06 01:55:18,107 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:55:17" (1/1) ... [2024-12-06 01:55:18,111 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:55:17" (1/1) ... [2024-12-06 01:55:18,115 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:55:17" (1/1) ... [2024-12-06 01:55:18,124 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:55:18,125 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:55:18,125 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:55:18,125 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:55:18,126 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:55:17" (1/1) ... [2024-12-06 01:55:18,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:55:18,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e886218-4ab1-487f-a8ac-0b126f16434f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:55:18,158 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e886218-4ab1-487f-a8ac-0b126f16434f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:55:18,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e886218-4ab1-487f-a8ac-0b126f16434f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:55:18,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:55:18,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:55:18,184 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 01:55:18,184 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 01:55:18,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:55:18,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:55:18,409 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:55:18,411 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:55:19,078 INFO L? ?]: Removed 369 outVars from TransFormulas that were not future-live. [2024-12-06 01:55:19,078 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:55:19,127 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:55:19,127 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:55:19,127 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:55:19 BoogieIcfgContainer [2024-12-06 01:55:19,127 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:55:19,128 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:55:19,128 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:55:19,135 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:55:19,135 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:55:19" (1/1) ... [2024-12-06 01:55:19,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:55:19,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:55:19,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2024-12-06 01:55:19,178 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2024-12-06 01:55:19,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-06 01:55:19,182 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:55:19,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:55:19,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e886218-4ab1-487f-a8ac-0b126f16434f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:55:19,185 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e886218-4ab1-487f-a8ac-0b126f16434f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:55:19,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e886218-4ab1-487f-a8ac-0b126f16434f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:55:19,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:55:19,822 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:55:20,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:55:20,073 INFO L256 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 01:55:20,082 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:55:20,428 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-06 01:55:20,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e886218-4ab1-487f-a8ac-0b126f16434f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:55:20,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:55:20,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 38 states and 53 transitions. [2024-12-06 01:55:20,888 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2024-12-06 01:55:20,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-12-06 01:55:20,889 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:55:20,889 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:55:20,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e886218-4ab1-487f-a8ac-0b126f16434f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:55:20,891 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e886218-4ab1-487f-a8ac-0b126f16434f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:55:20,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e886218-4ab1-487f-a8ac-0b126f16434f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 01:55:21,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:55:21,926 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:55:22,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:55:22,362 INFO L256 TraceCheckSpWp]: Trace formula consists of 878 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-12-06 01:55:22,374 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:55:23,169 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 4 proven. 25 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2024-12-06 01:55:23,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e886218-4ab1-487f-a8ac-0b126f16434f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 01:55:24,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:55:24,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 68 states and 103 transitions. [2024-12-06 01:55:24,880 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 103 transitions. [2024-12-06 01:55:24,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-06 01:55:24,882 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:55:24,883 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:55:24,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e886218-4ab1-487f-a8ac-0b126f16434f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:55:24,884 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e886218-4ab1-487f-a8ac-0b126f16434f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:55:24,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e886218-4ab1-487f-a8ac-0b126f16434f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 01:55:26,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:55:26,162 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:55:26,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:55:26,648 INFO L256 TraceCheckSpWp]: Trace formula consists of 1300 conjuncts, 123 conjuncts are in the unsatisfiable core [2024-12-06 01:55:26,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:55:31,974 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 44 proven. 73 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2024-12-06 01:55:31,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e886218-4ab1-487f-a8ac-0b126f16434f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 01:55:46,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:55:46,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 115 states and 190 transitions. [2024-12-06 01:55:46,574 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 190 transitions. [2024-12-06 01:55:46,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-12-06 01:55:46,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:55:46,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:55:46,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e886218-4ab1-487f-a8ac-0b126f16434f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:55:46,580 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e886218-4ab1-487f-a8ac-0b126f16434f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:55:46,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e886218-4ab1-487f-a8ac-0b126f16434f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 01:55:48,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:55:48,424 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:55:49,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:55:49,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 1722 conjuncts, 270 conjuncts are in the unsatisfiable core [2024-12-06 01:55:49,079 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:56:05,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e886218-4ab1-487f-a8ac-0b126f16434f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 101 [2024-12-06 01:56:05,456 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e886218-4ab1-487f-a8ac-0b126f16434f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-12-06 01:56:05,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e886218-4ab1-487f-a8ac-0b126f16434f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 01:56:05,475 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.AssertionError: No Interpolants at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:467) 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 01:56:05,479 INFO L158 Benchmark]: Toolchain (without parser) took 47989.08ms. Allocated memory was 92.3MB in the beginning and 956.3MB in the end (delta: 864.0MB). Free memory was 68.1MB in the beginning and 740.7MB in the end (delta: -672.6MB). Peak memory consumption was 493.0MB. Max. memory is 16.1GB. [2024-12-06 01:56:05,479 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:56:05,480 INFO L158 Benchmark]: CACSL2BoogieTranslator took 488.20ms. Allocated memory is still 92.3MB. Free memory was 67.9MB in the beginning and 57.3MB in the end (delta: 10.6MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. [2024-12-06 01:56:05,480 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.09ms. Allocated memory is still 92.3MB. Free memory was 57.3MB in the beginning and 49.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:56:05,480 INFO L158 Benchmark]: Boogie Preprocessor took 63.16ms. Allocated memory is still 92.3MB. Free memory was 49.0MB in the beginning and 43.5MB in the end (delta: 5.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:56:05,481 INFO L158 Benchmark]: RCFGBuilder took 1002.70ms. Allocated memory was 92.3MB in the beginning and 134.2MB in the end (delta: 41.9MB). Free memory was 43.5MB in the beginning and 69.9MB in the end (delta: -26.3MB). Peak memory consumption was 55.4MB. Max. memory is 16.1GB. [2024-12-06 01:56:05,481 INFO L158 Benchmark]: CodeCheck took 46349.65ms. Allocated memory was 134.2MB in the beginning and 956.3MB in the end (delta: 822.1MB). Free memory was 69.9MB in the beginning and 740.7MB in the end (delta: -670.8MB). Peak memory consumption was 454.3MB. Max. memory is 16.1GB. [2024-12-06 01:56:05,484 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: AssertionError: No Interpolants de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: AssertionError: No Interpolants: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:138) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 488.20ms. Allocated memory is still 92.3MB. Free memory was 67.9MB in the beginning and 57.3MB in the end (delta: 10.6MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.09ms. Allocated memory is still 92.3MB. Free memory was 57.3MB in the beginning and 49.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.16ms. Allocated memory is still 92.3MB. Free memory was 49.0MB in the beginning and 43.5MB in the end (delta: 5.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1002.70ms. Allocated memory was 92.3MB in the beginning and 134.2MB in the end (delta: 41.9MB). Free memory was 43.5MB in the beginning and 69.9MB in the end (delta: -26.3MB). Peak memory consumption was 55.4MB. Max. memory is 16.1GB. * CodeCheck took 46349.65ms. Allocated memory was 134.2MB in the beginning and 956.3MB in the end (delta: 822.1MB). Free memory was 69.9MB in the beginning and 740.7MB in the end (delta: -670.8MB). Peak memory consumption was 454.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: No Interpolants