./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_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_ee1e6001-e5b7-4bd8-9c58-c94ab98b5116/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1e6001-e5b7-4bd8-9c58-c94ab98b5116/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_ee1e6001-e5b7-4bd8-9c58-c94ab98b5116/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1e6001-e5b7-4bd8-9c58-c94ab98b5116/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d8_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1e6001-e5b7-4bd8-9c58-c94ab98b5116/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_ee1e6001-e5b7-4bd8-9c58-c94ab98b5116/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 cb83f5d7087c4b0d43604a15de3bb5b701cd940862e59390412bf16eeaebebc9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:52:51,556 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:52:51,613 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1e6001-e5b7-4bd8-9c58-c94ab98b5116/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 02:52:51,617 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:52:51,617 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:52:51,636 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:52:51,637 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:52:51,637 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:52:51,637 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:52:51,637 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:52:51,638 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:52:51,638 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:52:51,638 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:52:51,638 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:52:51,638 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:52:51,638 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:52:51,638 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:52:51,638 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:52:51,638 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:52:51,638 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:52:51,639 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:52:51,639 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:52:51,639 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:52:51,639 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:52:51,639 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:52:51,639 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:52:51,639 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:52:51,639 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:52:51,640 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:52:51,640 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:52:51,640 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_ee1e6001-e5b7-4bd8-9c58-c94ab98b5116/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 -> cb83f5d7087c4b0d43604a15de3bb5b701cd940862e59390412bf16eeaebebc9 [2024-12-06 02:52:51,856 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:52:51,864 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:52:51,866 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:52:51,868 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:52:51,868 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:52:51,869 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1e6001-e5b7-4bd8-9c58-c94ab98b5116/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d8_e0.c [2024-12-06 02:52:54,685 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1e6001-e5b7-4bd8-9c58-c94ab98b5116/bin/ukojak-verify-CZk0znPC7b/data/15b0f8dee/590406318b1a469797873ac45045af1b/FLAG83a220a4a [2024-12-06 02:52:54,960 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:52:54,961 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1e6001-e5b7-4bd8-9c58-c94ab98b5116/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d8_e0.c [2024-12-06 02:52:54,974 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1e6001-e5b7-4bd8-9c58-c94ab98b5116/bin/ukojak-verify-CZk0znPC7b/data/15b0f8dee/590406318b1a469797873ac45045af1b/FLAG83a220a4a [2024-12-06 02:52:55,260 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1e6001-e5b7-4bd8-9c58-c94ab98b5116/bin/ukojak-verify-CZk0znPC7b/data/15b0f8dee/590406318b1a469797873ac45045af1b [2024-12-06 02:52:55,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:52:55,263 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:52:55,264 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:52:55,264 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:52:55,267 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:52:55,267 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:52:55" (1/1) ... [2024-12-06 02:52:55,268 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19d3800e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:52:55, skipping insertion in model container [2024-12-06 02:52:55,268 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:52:55" (1/1) ... [2024-12-06 02:52:55,303 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:52:55,453 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_ee1e6001-e5b7-4bd8-9c58-c94ab98b5116/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d8_e0.c[1270,1283] [2024-12-06 02:52:55,660 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:52:55,668 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:52:55,678 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_ee1e6001-e5b7-4bd8-9c58-c94ab98b5116/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d8_e0.c[1270,1283] [2024-12-06 02:52:55,786 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:52:55,800 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:52:55,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:52:55 WrapperNode [2024-12-06 02:52:55,801 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:52:55,802 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:52:55,802 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:52:55,802 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:52:55,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:52:55" (1/1) ... [2024-12-06 02:52:55,838 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:52:55" (1/1) ... [2024-12-06 02:52:56,139 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2958 [2024-12-06 02:52:56,140 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:52:56,140 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:52:56,140 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:52:56,140 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:52:56,149 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:52:55" (1/1) ... [2024-12-06 02:52:56,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:52:55" (1/1) ... [2024-12-06 02:52:56,199 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:52:55" (1/1) ... [2024-12-06 02:52:56,199 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:52:55" (1/1) ... [2024-12-06 02:52:56,329 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:52:55" (1/1) ... [2024-12-06 02:52:56,347 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:52:55" (1/1) ... [2024-12-06 02:52:56,359 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:52:55" (1/1) ... [2024-12-06 02:52:56,386 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:52:55" (1/1) ... [2024-12-06 02:52:56,398 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:52:55" (1/1) ... [2024-12-06 02:52:56,460 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:52:56,461 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:52:56,461 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:52:56,461 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:52:56,462 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:52:55" (1/1) ... [2024-12-06 02:52:56,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:52:56,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1e6001-e5b7-4bd8-9c58-c94ab98b5116/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:52:56,492 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1e6001-e5b7-4bd8-9c58-c94ab98b5116/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:52:56,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1e6001-e5b7-4bd8-9c58-c94ab98b5116/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:52:56,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:52:56,521 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 02:52:56,521 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 02:52:56,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:52:56,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:52:56,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:52:56,779 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:52:56,781 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:53:00,053 INFO L? ?]: Removed 1620 outVars from TransFormulas that were not future-live. [2024-12-06 02:53:00,053 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:53:02,986 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:53:02,987 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 02:53:02,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:53:02 BoogieIcfgContainer [2024-12-06 02:53:02,987 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:53:02,987 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:53:02,988 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:53:02,993 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:53:02,994 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:53:02" (1/1) ... [2024-12-06 02:53:02,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:53:03,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:53:03,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2024-12-06 02:53:03,044 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2024-12-06 02:53:03,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-06 02:53:03,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:53:03,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:53:04,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:53:07,627 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 02:53:09,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:53:19,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:53:29,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:53:39,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:53:41,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:53:51,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:54:01,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:54:01,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:54:01,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 38 states and 51 transitions. [2024-12-06 02:54:01,852 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2024-12-06 02:54:01,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-12-06 02:54:01,854 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:54:01,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:54:24,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:54:24,471 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:54:52,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:55:03,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:55:03,114 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 02:55:03,118 INFO L158 Benchmark]: Toolchain (without parser) took 127855.03ms. Allocated memory was 117.4MB in the beginning and 2.1GB in the end (delta: 2.0GB). Free memory was 91.0MB in the beginning and 1.4GB in the end (delta: -1.4GB). Peak memory consumption was 671.9MB. Max. memory is 16.1GB. [2024-12-06 02:55:03,118 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:55:03,118 INFO L158 Benchmark]: CACSL2BoogieTranslator took 537.50ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 40.7MB in the end (delta: 50.2MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-12-06 02:55:03,119 INFO L158 Benchmark]: Boogie Procedure Inliner took 338.09ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 40.7MB in the beginning and 178.4MB in the end (delta: -137.7MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. [2024-12-06 02:55:03,119 INFO L158 Benchmark]: Boogie Preprocessor took 320.22ms. Allocated memory is still 251.7MB. Free memory was 178.4MB in the beginning and 162.7MB in the end (delta: 15.7MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. [2024-12-06 02:55:03,120 INFO L158 Benchmark]: RCFGBuilder took 6525.90ms. Allocated memory was 251.7MB in the beginning and 771.8MB in the end (delta: 520.1MB). Free memory was 162.7MB in the beginning and 409.4MB in the end (delta: -246.7MB). Peak memory consumption was 387.8MB. Max. memory is 16.1GB. [2024-12-06 02:55:03,120 INFO L158 Benchmark]: CodeCheck took 120129.66ms. Allocated memory was 771.8MB in the beginning and 2.1GB in the end (delta: 1.4GB). Free memory was 409.4MB in the beginning and 1.4GB in the end (delta: -1.0GB). Peak memory consumption was 334.5MB. Max. memory is 16.1GB. [2024-12-06 02:55:03,122 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 0.34ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 537.50ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 40.7MB in the end (delta: 50.2MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 338.09ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 40.7MB in the beginning and 178.4MB in the end (delta: -137.7MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 320.22ms. Allocated memory is still 251.7MB. Free memory was 178.4MB in the beginning and 162.7MB in the end (delta: 15.7MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. * RCFGBuilder took 6525.90ms. Allocated memory was 251.7MB in the beginning and 771.8MB in the end (delta: 520.1MB). Free memory was 162.7MB in the beginning and 409.4MB in the end (delta: -246.7MB). Peak memory consumption was 387.8MB. Max. memory is 16.1GB. * CodeCheck took 120129.66ms. Allocated memory was 771.8MB in the beginning and 2.1GB in the end (delta: 1.4GB). Free memory was 409.4MB in the beginning and 1.4GB in the end (delta: -1.0GB). Peak memory consumption was 334.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 02:55:03,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1e6001-e5b7-4bd8-9c58-c94ab98b5116/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_ee1e6001-e5b7-4bd8-9c58-c94ab98b5116/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1e6001-e5b7-4bd8-9c58-c94ab98b5116/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_ee1e6001-e5b7-4bd8-9c58-c94ab98b5116/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1e6001-e5b7-4bd8-9c58-c94ab98b5116/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d8_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1e6001-e5b7-4bd8-9c58-c94ab98b5116/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_ee1e6001-e5b7-4bd8-9c58-c94ab98b5116/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 cb83f5d7087c4b0d43604a15de3bb5b701cd940862e59390412bf16eeaebebc9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:55:05,233 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:55:05,315 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1e6001-e5b7-4bd8-9c58-c94ab98b5116/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 02:55:05,344 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:55:05,344 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:55:05,344 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:55:05,345 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:55:05,345 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:55:05,345 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:55:05,345 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:55:05,345 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:55:05,345 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:55:05,346 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:55:05,346 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:55:05,346 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 02:55:05,346 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 02:55:05,346 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 02:55:05,346 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:55:05,346 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:55:05,346 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:55:05,346 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:55:05,346 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:55:05,347 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:55:05,347 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:55:05,347 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 02:55:05,347 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:55:05,347 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:55:05,347 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:55:05,347 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:55:05,347 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:55:05,347 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 02:55:05,348 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:55:05,348 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 02:55:05,348 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_ee1e6001-e5b7-4bd8-9c58-c94ab98b5116/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 -> cb83f5d7087c4b0d43604a15de3bb5b701cd940862e59390412bf16eeaebebc9 [2024-12-06 02:55:05,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:55:05,628 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:55:05,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:55:05,632 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:55:05,632 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:55:05,633 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1e6001-e5b7-4bd8-9c58-c94ab98b5116/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d8_e0.c [2024-12-06 02:55:08,483 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1e6001-e5b7-4bd8-9c58-c94ab98b5116/bin/ukojak-verify-CZk0znPC7b/data/cd0ba787e/81724b0c491f4b9bbca7b4fd7ac16d0d/FLAG803214c6c [2024-12-06 02:55:08,721 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:55:08,721 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1e6001-e5b7-4bd8-9c58-c94ab98b5116/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d8_e0.c [2024-12-06 02:55:08,734 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1e6001-e5b7-4bd8-9c58-c94ab98b5116/bin/ukojak-verify-CZk0znPC7b/data/cd0ba787e/81724b0c491f4b9bbca7b4fd7ac16d0d/FLAG803214c6c [2024-12-06 02:55:09,030 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1e6001-e5b7-4bd8-9c58-c94ab98b5116/bin/ukojak-verify-CZk0znPC7b/data/cd0ba787e/81724b0c491f4b9bbca7b4fd7ac16d0d [2024-12-06 02:55:09,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:55:09,033 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:55:09,034 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:55:09,034 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:55:09,037 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:55:09,037 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:55:09" (1/1) ... [2024-12-06 02:55:09,038 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5728f1bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:09, skipping insertion in model container [2024-12-06 02:55:09,038 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:55:09" (1/1) ... [2024-12-06 02:55:09,072 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:55:09,201 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_ee1e6001-e5b7-4bd8-9c58-c94ab98b5116/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d8_e0.c[1270,1283] [2024-12-06 02:55:09,390 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:55:09,402 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:55:09,412 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_ee1e6001-e5b7-4bd8-9c58-c94ab98b5116/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d8_e0.c[1270,1283] [2024-12-06 02:55:09,502 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:55:09,512 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:55:09,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:09 WrapperNode [2024-12-06 02:55:09,512 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:55:09,513 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:55:09,513 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:55:09,513 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:55:09,518 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:09" (1/1) ... [2024-12-06 02:55:09,541 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:09" (1/1) ... [2024-12-06 02:55:09,601 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1206 [2024-12-06 02:55:09,601 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:55:09,601 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:55:09,601 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:55:09,602 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:55:09,609 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:09" (1/1) ... [2024-12-06 02:55:09,609 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:09" (1/1) ... [2024-12-06 02:55:09,618 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:09" (1/1) ... [2024-12-06 02:55:09,618 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:09" (1/1) ... [2024-12-06 02:55:09,644 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:09" (1/1) ... [2024-12-06 02:55:09,647 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:09" (1/1) ... [2024-12-06 02:55:09,651 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:09" (1/1) ... [2024-12-06 02:55:09,656 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:09" (1/1) ... [2024-12-06 02:55:09,661 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:09" (1/1) ... [2024-12-06 02:55:09,671 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:55:09,672 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:55:09,672 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:55:09,672 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:55:09,673 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:09" (1/1) ... [2024-12-06 02:55:09,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:55:09,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1e6001-e5b7-4bd8-9c58-c94ab98b5116/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:55:09,710 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1e6001-e5b7-4bd8-9c58-c94ab98b5116/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:55:09,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1e6001-e5b7-4bd8-9c58-c94ab98b5116/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:55:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:55:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 02:55:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 02:55:09,733 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 02:55:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:55:09,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:55:09,988 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:55:09,989 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:55:10,802 INFO L? ?]: Removed 425 outVars from TransFormulas that were not future-live. [2024-12-06 02:55:10,802 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:55:10,863 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:55:10,863 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 02:55:10,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:55:10 BoogieIcfgContainer [2024-12-06 02:55:10,864 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:55:10,864 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:55:10,864 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:55:10,873 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:55:10,873 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:55:10" (1/1) ... [2024-12-06 02:55:10,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:55:10,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:55:10,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2024-12-06 02:55:10,927 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2024-12-06 02:55:10,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-06 02:55:10,933 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:55:10,933 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:55:10,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1e6001-e5b7-4bd8-9c58-c94ab98b5116/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:55:10,936 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1e6001-e5b7-4bd8-9c58-c94ab98b5116/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:55:10,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1e6001-e5b7-4bd8-9c58-c94ab98b5116/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 02:55:11,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:55:11,848 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:55:12,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:55:12,176 INFO L256 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-06 02:55:12,188 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:55:12,618 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 02:55:12,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1e6001-e5b7-4bd8-9c58-c94ab98b5116/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 02:55:13,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:55:13,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 38 states and 53 transitions. [2024-12-06 02:55:13,231 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2024-12-06 02:55:13,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-12-06 02:55:13,233 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:55:13,233 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:55:13,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1e6001-e5b7-4bd8-9c58-c94ab98b5116/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:55:13,236 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1e6001-e5b7-4bd8-9c58-c94ab98b5116/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:55:13,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1e6001-e5b7-4bd8-9c58-c94ab98b5116/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 02:55:14,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:55:14,434 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:55:14,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:55:14,898 INFO L256 TraceCheckSpWp]: Trace formula consists of 982 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-12-06 02:55:14,912 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:55:15,729 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 02:55:15,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1e6001-e5b7-4bd8-9c58-c94ab98b5116/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 02:55:17,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:55:17,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 68 states and 103 transitions. [2024-12-06 02:55:17,651 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 103 transitions. [2024-12-06 02:55:17,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-06 02:55:17,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:55:17,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:55:17,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1e6001-e5b7-4bd8-9c58-c94ab98b5116/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:55:17,656 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1e6001-e5b7-4bd8-9c58-c94ab98b5116/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:55:17,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1e6001-e5b7-4bd8-9c58-c94ab98b5116/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 02:55:19,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:55:19,195 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:55:19,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:55:19,779 INFO L256 TraceCheckSpWp]: Trace formula consists of 1452 conjuncts, 138 conjuncts are in the unsatisfiable core [2024-12-06 02:55:19,802 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:55:32,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1e6001-e5b7-4bd8-9c58-c94ab98b5116/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 101 [2024-12-06 02:55:32,619 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1e6001-e5b7-4bd8-9c58-c94ab98b5116/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 02:55:32,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1e6001-e5b7-4bd8-9c58-c94ab98b5116/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 02:55:32,634 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 02:55:32,638 INFO L158 Benchmark]: Toolchain (without parser) took 23604.80ms. Allocated memory was 92.3MB in the beginning and 377.5MB in the end (delta: 285.2MB). Free memory was 67.4MB in the beginning and 172.8MB in the end (delta: -105.4MB). Peak memory consumption was 177.5MB. Max. memory is 16.1GB. [2024-12-06 02:55:32,639 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:55:32,639 INFO L158 Benchmark]: CACSL2BoogieTranslator took 478.88ms. Allocated memory is still 92.3MB. Free memory was 67.2MB in the beginning and 54.4MB in the end (delta: 12.8MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. [2024-12-06 02:55:32,640 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.84ms. Allocated memory is still 92.3MB. Free memory was 54.4MB in the beginning and 45.3MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:55:32,640 INFO L158 Benchmark]: Boogie Preprocessor took 69.67ms. Allocated memory is still 92.3MB. Free memory was 45.3MB in the beginning and 39.5MB in the end (delta: 5.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:55:32,640 INFO L158 Benchmark]: RCFGBuilder took 1191.90ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 39.5MB in the beginning and 67.9MB in the end (delta: -28.4MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. [2024-12-06 02:55:32,641 INFO L158 Benchmark]: CodeCheck took 21773.00ms. Allocated memory was 142.6MB in the beginning and 377.5MB in the end (delta: 234.9MB). Free memory was 67.9MB in the beginning and 172.8MB in the end (delta: -104.9MB). Peak memory consumption was 129.7MB. Max. memory is 16.1GB. [2024-12-06 02:55:32,643 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 0.29ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 478.88ms. Allocated memory is still 92.3MB. Free memory was 67.2MB in the beginning and 54.4MB in the end (delta: 12.8MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.84ms. Allocated memory is still 92.3MB. Free memory was 54.4MB in the beginning and 45.3MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.67ms. Allocated memory is still 92.3MB. Free memory was 45.3MB in the beginning and 39.5MB in the end (delta: 5.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1191.90ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 39.5MB in the beginning and 67.9MB in the end (delta: -28.4MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. * CodeCheck took 21773.00ms. Allocated memory was 142.6MB in the beginning and 377.5MB in the end (delta: 234.9MB). Free memory was 67.9MB in the beginning and 172.8MB in the end (delta: -104.9MB). Peak memory consumption was 129.7MB. 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