./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d16_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_6e64e3c6-fe40-4fab-9304-39249a8a5edb/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e64e3c6-fe40-4fab-9304-39249a8a5edb/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e64e3c6-fe40-4fab-9304-39249a8a5edb/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e64e3c6-fe40-4fab-9304-39249a8a5edb/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d16_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e64e3c6-fe40-4fab-9304-39249a8a5edb/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e64e3c6-fe40-4fab-9304-39249a8a5edb/bin/ukojak-verify-ENZ3QT5qd3 --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 b58c5e80ee969397030b74a8310e40cf5de69934e0fdffd3481e8555498390ac --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:42:30,450 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:42:30,570 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e64e3c6-fe40-4fab-9304-39249a8a5edb/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 02:42:30,576 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:42:30,576 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:42:30,609 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:42:30,611 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:42:30,612 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:42:30,612 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:42:30,613 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:42:30,613 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:42:30,615 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:42:30,615 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:42:30,615 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:42:30,615 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:42:30,615 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:42:30,615 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:42:30,616 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:42:30,616 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:42:30,616 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:42:30,616 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:42:30,616 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:42:30,616 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:42:30,616 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:42:30,616 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:42:30,616 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:42:30,616 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:42:30,616 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:42:30,617 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:42:30,617 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:42:30,617 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_6e64e3c6-fe40-4fab-9304-39249a8a5edb/bin/ukojak-verify-ENZ3QT5qd3 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 -> b58c5e80ee969397030b74a8310e40cf5de69934e0fdffd3481e8555498390ac [2024-11-25 02:42:30,923 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:42:30,932 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:42:30,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:42:30,936 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:42:30,936 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:42:30,939 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e64e3c6-fe40-4fab-9304-39249a8a5edb/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d16_e0.c [2024-11-25 02:42:34,061 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e64e3c6-fe40-4fab-9304-39249a8a5edb/bin/ukojak-verify-ENZ3QT5qd3/data/036c02a32/89546ebdbecb4c8c92e909a7b5b7d1d8/FLAG11774b77d [2024-11-25 02:42:34,544 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:42:34,544 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e64e3c6-fe40-4fab-9304-39249a8a5edb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d16_e0.c [2024-11-25 02:42:34,578 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e64e3c6-fe40-4fab-9304-39249a8a5edb/bin/ukojak-verify-ENZ3QT5qd3/data/036c02a32/89546ebdbecb4c8c92e909a7b5b7d1d8/FLAG11774b77d [2024-11-25 02:42:34,650 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e64e3c6-fe40-4fab-9304-39249a8a5edb/bin/ukojak-verify-ENZ3QT5qd3/data/036c02a32/89546ebdbecb4c8c92e909a7b5b7d1d8 [2024-11-25 02:42:34,654 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:42:34,655 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:42:34,658 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:42:34,658 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:42:34,663 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:42:34,664 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:42:34" (1/1) ... [2024-11-25 02:42:34,666 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30b07691 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:42:34, skipping insertion in model container [2024-11-25 02:42:34,666 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:42:34" (1/1) ... [2024-11-25 02:42:34,724 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:42:34,908 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_6e64e3c6-fe40-4fab-9304-39249a8a5edb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d16_e0.c[1271,1284] [2024-11-25 02:42:35,336 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:42:35,346 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:42:35,358 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_6e64e3c6-fe40-4fab-9304-39249a8a5edb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d16_e0.c[1271,1284] [2024-11-25 02:42:35,696 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:42:35,714 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:42:35,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:42:35 WrapperNode [2024-11-25 02:42:35,716 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:42:35,717 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:42:35,717 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:42:35,717 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:42:35,726 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:42:35" (1/1) ... [2024-11-25 02:42:35,787 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:42:35" (1/1) ... [2024-11-25 02:42:36,289 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3958 [2024-11-25 02:42:36,289 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:42:36,290 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:42:36,290 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:42:36,290 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:42:36,300 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:42:35" (1/1) ... [2024-11-25 02:42:36,300 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:42:35" (1/1) ... [2024-11-25 02:42:36,443 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:42:35" (1/1) ... [2024-11-25 02:42:36,443 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:42:35" (1/1) ... [2024-11-25 02:42:36,614 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:42:35" (1/1) ... [2024-11-25 02:42:36,630 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:42:35" (1/1) ... [2024-11-25 02:42:36,663 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:42:35" (1/1) ... [2024-11-25 02:42:36,688 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:42:35" (1/1) ... [2024-11-25 02:42:36,711 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:42:35" (1/1) ... [2024-11-25 02:42:36,819 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:42:36,822 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:42:36,823 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:42:36,823 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:42:36,824 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:42:35" (1/1) ... [2024-11-25 02:42:36,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:42:36,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e64e3c6-fe40-4fab-9304-39249a8a5edb/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:42:36,874 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e64e3c6-fe40-4fab-9304-39249a8a5edb/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:42:36,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e64e3c6-fe40-4fab-9304-39249a8a5edb/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:42:36,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:42:36,947 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 02:42:36,947 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 02:42:36,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:42:36,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:42:36,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:42:37,425 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:42:37,427 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:42:43,416 INFO L? ?]: Removed 2212 outVars from TransFormulas that were not future-live. [2024-11-25 02:42:43,417 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:42:49,537 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:42:49,537 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 02:42:49,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:42:49 BoogieIcfgContainer [2024-11-25 02:42:49,538 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:42:49,539 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:42:49,539 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:42:49,549 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:42:49,550 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:42:49" (1/1) ... [2024-11-25 02:42:49,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:42:49,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:42:49,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2024-11-25 02:42:49,620 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2024-11-25 02:42:49,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-25 02:42:49,626 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:42:49,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:42:54,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:58,603 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-25 02:43:08,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:43:12,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.91s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:43:23,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:43:25,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:43:35,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:43:45,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:43:45,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:45,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 38 states and 51 transitions. [2024-11-25 02:43:45,122 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2024-11-25 02:43:45,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-25 02:43:45,123 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:45,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:44:46,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:44:46,864 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:46:02,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:46:13,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:46:13,310 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) [2024-11-25 02:46:13,315 INFO L158 Benchmark]: Toolchain (without parser) took 218660.00ms. Allocated memory was 117.4MB in the beginning and 2.0GB in the end (delta: 1.8GB). Free memory was 90.2MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 533.9MB. Max. memory is 16.1GB. [2024-11-25 02:46:13,316 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:46:13,318 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1058.20ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 90.0MB in the beginning and 144.9MB in the end (delta: -55.0MB). Peak memory consumption was 85.2MB. Max. memory is 16.1GB. [2024-11-25 02:46:13,321 INFO L158 Benchmark]: Boogie Procedure Inliner took 572.61ms. Allocated memory is still 192.9MB. Free memory was 144.8MB in the beginning and 84.0MB in the end (delta: 60.9MB). Peak memory consumption was 97.2MB. Max. memory is 16.1GB. [2024-11-25 02:46:13,321 INFO L158 Benchmark]: Boogie Preprocessor took 528.99ms. Allocated memory was 192.9MB in the beginning and 578.8MB in the end (delta: 385.9MB). Free memory was 84.0MB in the beginning and 452.9MB in the end (delta: -369.0MB). Peak memory consumption was 52.0MB. Max. memory is 16.1GB. [2024-11-25 02:46:13,322 INFO L158 Benchmark]: RCFGBuilder took 12715.77ms. Allocated memory was 578.8MB in the beginning and 956.3MB in the end (delta: 377.5MB). Free memory was 452.9MB in the beginning and 364.7MB in the end (delta: 88.2MB). Peak memory consumption was 471.7MB. Max. memory is 16.1GB. [2024-11-25 02:46:13,322 INFO L158 Benchmark]: CodeCheck took 203775.63ms. Allocated memory was 956.3MB in the beginning and 2.0GB in the end (delta: 1.0GB). Free memory was 364.7MB in the beginning and 1.4GB in the end (delta: -1.0GB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:46:13,326 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 0.42ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1058.20ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 90.0MB in the beginning and 144.9MB in the end (delta: -55.0MB). Peak memory consumption was 85.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 572.61ms. Allocated memory is still 192.9MB. Free memory was 144.8MB in the beginning and 84.0MB in the end (delta: 60.9MB). Peak memory consumption was 97.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 528.99ms. Allocated memory was 192.9MB in the beginning and 578.8MB in the end (delta: 385.9MB). Free memory was 84.0MB in the beginning and 452.9MB in the end (delta: -369.0MB). Peak memory consumption was 52.0MB. Max. memory is 16.1GB. * RCFGBuilder took 12715.77ms. Allocated memory was 578.8MB in the beginning and 956.3MB in the end (delta: 377.5MB). Free memory was 452.9MB in the beginning and 364.7MB in the end (delta: 88.2MB). Peak memory consumption was 471.7MB. Max. memory is 16.1GB. * CodeCheck took 203775.63ms. Allocated memory was 956.3MB in the beginning and 2.0GB in the end (delta: 1.0GB). Free memory was 364.7MB in the beginning and 1.4GB in the end (delta: -1.0GB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 02:46:13,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e64e3c6-fe40-4fab-9304-39249a8a5edb/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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_6e64e3c6-fe40-4fab-9304-39249a8a5edb/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e64e3c6-fe40-4fab-9304-39249a8a5edb/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e64e3c6-fe40-4fab-9304-39249a8a5edb/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e64e3c6-fe40-4fab-9304-39249a8a5edb/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d16_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e64e3c6-fe40-4fab-9304-39249a8a5edb/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e64e3c6-fe40-4fab-9304-39249a8a5edb/bin/ukojak-verify-ENZ3QT5qd3 --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 b58c5e80ee969397030b74a8310e40cf5de69934e0fdffd3481e8555498390ac --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:46:16,060 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:46:16,207 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e64e3c6-fe40-4fab-9304-39249a8a5edb/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-25 02:46:16,246 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:46:16,247 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:46:16,247 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:46:16,248 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:46:16,248 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:46:16,249 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:46:16,249 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:46:16,249 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:46:16,249 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:46:16,249 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:46:16,249 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:46:16,249 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:46:16,250 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:46:16,250 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:46:16,250 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:46:16,250 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:46:16,250 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:46:16,250 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:46:16,250 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:46:16,250 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:46:16,250 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:46:16,250 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:46:16,250 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:46:16,251 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:46:16,251 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:46:16,251 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:46:16,251 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:46:16,251 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:46:16,251 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:46:16,251 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:46:16,251 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_6e64e3c6-fe40-4fab-9304-39249a8a5edb/bin/ukojak-verify-ENZ3QT5qd3 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 -> b58c5e80ee969397030b74a8310e40cf5de69934e0fdffd3481e8555498390ac [2024-11-25 02:46:16,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:46:16,582 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:46:16,584 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:46:16,585 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:46:16,586 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:46:16,587 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e64e3c6-fe40-4fab-9304-39249a8a5edb/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d16_e0.c [2024-11-25 02:46:19,759 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e64e3c6-fe40-4fab-9304-39249a8a5edb/bin/ukojak-verify-ENZ3QT5qd3/data/e5fb3b17c/ea59ec924c9740feac162354925f6a21/FLAGb3eda41d4 [2024-11-25 02:46:20,234 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:46:20,238 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e64e3c6-fe40-4fab-9304-39249a8a5edb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d16_e0.c [2024-11-25 02:46:20,260 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e64e3c6-fe40-4fab-9304-39249a8a5edb/bin/ukojak-verify-ENZ3QT5qd3/data/e5fb3b17c/ea59ec924c9740feac162354925f6a21/FLAGb3eda41d4 [2024-11-25 02:46:20,280 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e64e3c6-fe40-4fab-9304-39249a8a5edb/bin/ukojak-verify-ENZ3QT5qd3/data/e5fb3b17c/ea59ec924c9740feac162354925f6a21 [2024-11-25 02:46:20,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:46:20,285 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:46:20,287 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:46:20,288 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:46:20,293 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:46:20,293 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:46:20" (1/1) ... [2024-11-25 02:46:20,295 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@706e041f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:46:20, skipping insertion in model container [2024-11-25 02:46:20,296 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:46:20" (1/1) ... [2024-11-25 02:46:20,372 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:46:20,579 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_6e64e3c6-fe40-4fab-9304-39249a8a5edb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d16_e0.c[1271,1284] [2024-11-25 02:46:20,965 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:46:20,984 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:46:21,000 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_6e64e3c6-fe40-4fab-9304-39249a8a5edb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d16_e0.c[1271,1284] [2024-11-25 02:46:21,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:46:21,284 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:46:21,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:46:21 WrapperNode [2024-11-25 02:46:21,286 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:46:21,287 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:46:21,287 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:46:21,287 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:46:21,296 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:46:21" (1/1) ... [2024-11-25 02:46:21,342 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:46:21" (1/1) ... [2024-11-25 02:46:21,477 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1694 [2024-11-25 02:46:21,478 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:46:21,479 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:46:21,479 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:46:21,479 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:46:21,487 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:46:21" (1/1) ... [2024-11-25 02:46:21,488 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:46:21" (1/1) ... [2024-11-25 02:46:21,507 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:46:21" (1/1) ... [2024-11-25 02:46:21,509 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:46:21" (1/1) ... [2024-11-25 02:46:21,565 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:46:21" (1/1) ... [2024-11-25 02:46:21,568 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:46:21" (1/1) ... [2024-11-25 02:46:21,572 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:46:21" (1/1) ... [2024-11-25 02:46:21,577 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:46:21" (1/1) ... [2024-11-25 02:46:21,583 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:46:21" (1/1) ... [2024-11-25 02:46:21,603 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:46:21,608 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:46:21,608 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:46:21,608 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:46:21,609 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:46:21" (1/1) ... [2024-11-25 02:46:21,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:46:21,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e64e3c6-fe40-4fab-9304-39249a8a5edb/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:46:21,653 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e64e3c6-fe40-4fab-9304-39249a8a5edb/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:46:21,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e64e3c6-fe40-4fab-9304-39249a8a5edb/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:46:21,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:46:21,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 02:46:21,689 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 02:46:21,689 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 02:46:21,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:46:21,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:46:22,183 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:46:22,186 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:46:23,979 INFO L? ?]: Removed 553 outVars from TransFormulas that were not future-live. [2024-11-25 02:46:23,979 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:46:24,079 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:46:24,079 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 02:46:24,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:46:24 BoogieIcfgContainer [2024-11-25 02:46:24,080 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:46:24,081 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:46:24,081 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:46:24,091 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:46:24,091 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:46:24" (1/1) ... [2024-11-25 02:46:24,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:46:24,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:46:24,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2024-11-25 02:46:24,160 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2024-11-25 02:46:24,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-25 02:46:24,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:46:24,167 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:46:24,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e64e3c6-fe40-4fab-9304-39249a8a5edb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:46:24,171 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e64e3c6-fe40-4fab-9304-39249a8a5edb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:46:24,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e64e3c6-fe40-4fab-9304-39249a8a5edb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:46:25,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:25,298 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:46:25,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:25,778 INFO L256 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 02:46:25,791 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:46:26,294 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-25 02:46:26,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e64e3c6-fe40-4fab-9304-39249a8a5edb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 02:46:27,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:46:27,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 38 states and 53 transitions. [2024-11-25 02:46:27,067 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2024-11-25 02:46:27,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-25 02:46:27,069 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:46:27,070 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:46:27,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e64e3c6-fe40-4fab-9304-39249a8a5edb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:46:27,073 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e64e3c6-fe40-4fab-9304-39249a8a5edb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:46:27,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e64e3c6-fe40-4fab-9304-39249a8a5edb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 02:46:29,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:29,023 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:46:29,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:29,747 INFO L256 TraceCheckSpWp]: Trace formula consists of 1278 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-25 02:46:29,763 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:46:30,857 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 4 proven. 25 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2024-11-25 02:46:30,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e64e3c6-fe40-4fab-9304-39249a8a5edb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 02:46:34,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:46:34,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 68 states and 103 transitions. [2024-11-25 02:46:34,093 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 103 transitions. [2024-11-25 02:46:34,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-25 02:46:34,096 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:46:34,096 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:46:34,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e64e3c6-fe40-4fab-9304-39249a8a5edb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:46:34,099 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e64e3c6-fe40-4fab-9304-39249a8a5edb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:46:34,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e64e3c6-fe40-4fab-9304-39249a8a5edb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 02:46:36,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:36,655 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:46:37,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:37,634 INFO L256 TraceCheckSpWp]: Trace formula consists of 1892 conjuncts, 138 conjuncts are in the unsatisfiable core [2024-11-25 02:46:37,661 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:47:21,930 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e64e3c6-fe40-4fab-9304-39249a8a5edb/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-11-25 02:47:21,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e64e3c6-fe40-4fab-9304-39249a8a5edb/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 101 [2024-11-25 02:47:21,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e64e3c6-fe40-4fab-9304-39249a8a5edb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-25 02:47:21,954 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) [2024-11-25 02:47:21,960 INFO L158 Benchmark]: Toolchain (without parser) took 61674.85ms. Allocated memory was 83.9MB in the beginning and 419.4MB in the end (delta: 335.5MB). Free memory was 57.4MB in the beginning and 203.3MB in the end (delta: -145.9MB). Peak memory consumption was 195.4MB. Max. memory is 16.1GB. [2024-11-25 02:47:21,961 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 83.9MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:47:21,961 INFO L158 Benchmark]: CACSL2BoogieTranslator took 999.13ms. Allocated memory is still 83.9MB. Free memory was 57.4MB in the beginning and 38.6MB in the end (delta: 18.8MB). Peak memory consumption was 49.5MB. Max. memory is 16.1GB. [2024-11-25 02:47:21,962 INFO L158 Benchmark]: Boogie Procedure Inliner took 191.47ms. Allocated memory is still 83.9MB. Free memory was 38.6MB in the beginning and 43.3MB in the end (delta: -4.7MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2024-11-25 02:47:21,962 INFO L158 Benchmark]: Boogie Preprocessor took 128.24ms. Allocated memory is still 83.9MB. Free memory was 43.3MB in the beginning and 35.4MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:47:21,963 INFO L158 Benchmark]: RCFGBuilder took 2472.36ms. Allocated memory was 83.9MB in the beginning and 151.0MB in the end (delta: 67.1MB). Free memory was 35.4MB in the beginning and 84.4MB in the end (delta: -48.9MB). Peak memory consumption was 80.8MB. Max. memory is 16.1GB. [2024-11-25 02:47:21,963 INFO L158 Benchmark]: CodeCheck took 57877.94ms. Allocated memory was 151.0MB in the beginning and 419.4MB in the end (delta: 268.4MB). Free memory was 84.4MB in the beginning and 203.3MB in the end (delta: -119.0MB). Peak memory consumption was 155.0MB. Max. memory is 16.1GB. [2024-11-25 02:47:21,966 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 0.44ms. Allocated memory is still 83.9MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 999.13ms. Allocated memory is still 83.9MB. Free memory was 57.4MB in the beginning and 38.6MB in the end (delta: 18.8MB). Peak memory consumption was 49.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 191.47ms. Allocated memory is still 83.9MB. Free memory was 38.6MB in the beginning and 43.3MB in the end (delta: -4.7MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 128.24ms. Allocated memory is still 83.9MB. Free memory was 43.3MB in the beginning and 35.4MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2472.36ms. Allocated memory was 83.9MB in the beginning and 151.0MB in the end (delta: 67.1MB). Free memory was 35.4MB in the beginning and 84.4MB in the end (delta: -48.9MB). Peak memory consumption was 80.8MB. Max. memory is 16.1GB. * CodeCheck took 57877.94ms. Allocated memory was 151.0MB in the beginning and 419.4MB in the end (delta: 268.4MB). Free memory was 84.4MB in the beginning and 203.3MB in the end (delta: -119.0MB). Peak memory consumption was 155.0MB. 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