./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.7.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac40579e-e436-42dc-856c-438e380419e0/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac40579e-e436-42dc-856c-438e380419e0/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_ac40579e-e436-42dc-856c-438e380419e0/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac40579e-e436-42dc-856c-438e380419e0/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.7.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac40579e-e436-42dc-856c-438e380419e0/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_ac40579e-e436-42dc-856c-438e380419e0/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 e90d822b8418ab452739178fa8c7d7c0054f2eb66f4a31edacd20595dede730c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:53:44,921 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:53:44,976 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac40579e-e436-42dc-856c-438e380419e0/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 03:53:44,980 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:53:44,981 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:53:44,999 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:53:44,999 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:53:45,000 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:53:45,000 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:53:45,000 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:53:45,000 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:53:45,000 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:53:45,001 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:53:45,001 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:53:45,001 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:53:45,001 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:53:45,001 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:53:45,001 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:53:45,001 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:53:45,001 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:53:45,001 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:53:45,001 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:53:45,002 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:53:45,002 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:53:45,002 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:53:45,002 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:53:45,002 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:53:45,002 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:53:45,002 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:53:45,002 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:53:45,002 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_ac40579e-e436-42dc-856c-438e380419e0/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 -> e90d822b8418ab452739178fa8c7d7c0054f2eb66f4a31edacd20595dede730c [2024-12-06 03:53:45,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:53:45,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:53:45,224 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:53:45,225 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:53:45,226 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:53:45,227 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac40579e-e436-42dc-856c-438e380419e0/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.7.prop1-back-serstep.c [2024-12-06 03:53:47,920 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac40579e-e436-42dc-856c-438e380419e0/bin/ukojak-verify-CZk0znPC7b/data/1df9885e1/3287abe59ee74f869023a9b12e95d94c/FLAG09a1366fe [2024-12-06 03:53:48,240 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:53:48,241 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac40579e-e436-42dc-856c-438e380419e0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.7.prop1-back-serstep.c [2024-12-06 03:53:48,257 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac40579e-e436-42dc-856c-438e380419e0/bin/ukojak-verify-CZk0znPC7b/data/1df9885e1/3287abe59ee74f869023a9b12e95d94c/FLAG09a1366fe [2024-12-06 03:53:48,272 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac40579e-e436-42dc-856c-438e380419e0/bin/ukojak-verify-CZk0znPC7b/data/1df9885e1/3287abe59ee74f869023a9b12e95d94c [2024-12-06 03:53:48,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:53:48,276 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:53:48,278 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:53:48,278 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:53:48,282 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:53:48,283 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:53:48" (1/1) ... [2024-12-06 03:53:48,284 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59a86aa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:53:48, skipping insertion in model container [2024-12-06 03:53:48,284 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:53:48" (1/1) ... [2024-12-06 03:53:48,336 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:53:48,525 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_ac40579e-e436-42dc-856c-438e380419e0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.7.prop1-back-serstep.c[1172,1185] [2024-12-06 03:53:48,950 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:53:48,958 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:53:48,966 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_ac40579e-e436-42dc-856c-438e380419e0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.7.prop1-back-serstep.c[1172,1185] [2024-12-06 03:53:49,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:53:49,169 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:53:49,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:53:49 WrapperNode [2024-12-06 03:53:49,170 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:53:49,170 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:53:49,170 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:53:49,170 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:53:49,175 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:53:49" (1/1) ... [2024-12-06 03:53:49,253 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:53:49" (1/1) ... [2024-12-06 03:53:50,051 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 11034 [2024-12-06 03:53:50,052 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:53:50,053 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:53:50,053 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:53:50,053 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:53:50,059 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:53:49" (1/1) ... [2024-12-06 03:53:50,059 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:53:49" (1/1) ... [2024-12-06 03:53:50,310 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:53:49" (1/1) ... [2024-12-06 03:53:50,310 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:53:49" (1/1) ... [2024-12-06 03:53:50,520 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:53:49" (1/1) ... [2024-12-06 03:53:50,565 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:53:49" (1/1) ... [2024-12-06 03:53:50,602 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:53:49" (1/1) ... [2024-12-06 03:53:50,640 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:53:49" (1/1) ... [2024-12-06 03:53:50,666 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:53:49" (1/1) ... [2024-12-06 03:53:50,919 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:53:50,920 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:53:50,920 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:53:50,920 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:53:50,921 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:53:49" (1/1) ... [2024-12-06 03:53:50,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:53:50,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac40579e-e436-42dc-856c-438e380419e0/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:53:50,949 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac40579e-e436-42dc-856c-438e380419e0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:53:51,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac40579e-e436-42dc-856c-438e380419e0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:53:51,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:53:51,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:53:51,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:53:51,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:53:51,571 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:53:51,572 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:54:08,904 INFO L? ?]: Removed 6003 outVars from TransFormulas that were not future-live. [2024-12-06 03:54:08,904 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:54:23,190 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:54:23,190 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 03:54:23,190 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:54:23 BoogieIcfgContainer [2024-12-06 03:54:23,191 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:54:23,191 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:54:23,191 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:54:23,198 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:54:23,198 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:54:23" (1/1) ... [2024-12-06 03:54:23,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:54:23,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:54:23,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 03:54:23,243 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 03:54:23,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 03:54:23,245 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:54:23,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:54:24,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:54:27,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:54:37,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:54:47,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:54:52,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.69s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:55:02,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:55:02,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:55:02,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 03:55:02,180 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 03:55:02,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:55:02,180 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:55:02,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:59:04,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:59:04,943 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:03:55,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:04:06,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:04:07,068 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 04:04:07,075 INFO L158 Benchmark]: Toolchain (without parser) took 618798.13ms. Allocated memory was 142.6MB in the beginning and 2.8GB in the end (delta: 2.7GB). Free memory was 111.8MB in the beginning and 2.0GB in the end (delta: -1.9GB). Peak memory consumption was 815.3MB. Max. memory is 16.1GB. [2024-12-06 04:04:07,076 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:04:07,076 INFO L158 Benchmark]: CACSL2BoogieTranslator took 892.18ms. Allocated memory is still 142.6MB. Free memory was 111.6MB in the beginning and 54.8MB in the end (delta: 56.8MB). Peak memory consumption was 114.2MB. Max. memory is 16.1GB. [2024-12-06 04:04:07,077 INFO L158 Benchmark]: Boogie Procedure Inliner took 881.81ms. Allocated memory was 142.6MB in the beginning and 1.1GB in the end (delta: 914.4MB). Free memory was 54.8MB in the beginning and 801.6MB in the end (delta: -746.8MB). Peak memory consumption was 263.6MB. Max. memory is 16.1GB. [2024-12-06 04:04:07,078 INFO L158 Benchmark]: Boogie Preprocessor took 866.59ms. Allocated memory is still 1.1GB. Free memory was 801.6MB in the beginning and 721.4MB in the end (delta: 80.1MB). Peak memory consumption was 80.8MB. Max. memory is 16.1GB. [2024-12-06 04:04:07,079 INFO L158 Benchmark]: RCFGBuilder took 32270.52ms. Allocated memory was 1.1GB in the beginning and 3.5GB in the end (delta: 2.5GB). Free memory was 721.4MB in the beginning and 2.8GB in the end (delta: -2.1GB). Peak memory consumption was 2.5GB. Max. memory is 16.1GB. [2024-12-06 04:04:07,080 INFO L158 Benchmark]: CodeCheck took 583882.24ms. Allocated memory was 3.5GB in the beginning and 2.8GB in the end (delta: -729.8MB). Free memory was 2.8GB in the beginning and 2.0GB in the end (delta: 860.3MB). Peak memory consumption was 134.5MB. Max. memory is 16.1GB. [2024-12-06 04:04:07,084 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 892.18ms. Allocated memory is still 142.6MB. Free memory was 111.6MB in the beginning and 54.8MB in the end (delta: 56.8MB). Peak memory consumption was 114.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 881.81ms. Allocated memory was 142.6MB in the beginning and 1.1GB in the end (delta: 914.4MB). Free memory was 54.8MB in the beginning and 801.6MB in the end (delta: -746.8MB). Peak memory consumption was 263.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 866.59ms. Allocated memory is still 1.1GB. Free memory was 801.6MB in the beginning and 721.4MB in the end (delta: 80.1MB). Peak memory consumption was 80.8MB. Max. memory is 16.1GB. * RCFGBuilder took 32270.52ms. Allocated memory was 1.1GB in the beginning and 3.5GB in the end (delta: 2.5GB). Free memory was 721.4MB in the beginning and 2.8GB in the end (delta: -2.1GB). Peak memory consumption was 2.5GB. Max. memory is 16.1GB. * CodeCheck took 583882.24ms. Allocated memory was 3.5GB in the beginning and 2.8GB in the end (delta: -729.8MB). Free memory was 2.8GB in the beginning and 2.0GB in the end (delta: 860.3MB). Peak memory consumption was 134.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 04:04:07,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac40579e-e436-42dc-856c-438e380419e0/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_ac40579e-e436-42dc-856c-438e380419e0/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac40579e-e436-42dc-856c-438e380419e0/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_ac40579e-e436-42dc-856c-438e380419e0/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac40579e-e436-42dc-856c-438e380419e0/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.7.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac40579e-e436-42dc-856c-438e380419e0/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_ac40579e-e436-42dc-856c-438e380419e0/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 e90d822b8418ab452739178fa8c7d7c0054f2eb66f4a31edacd20595dede730c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:04:09,262 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:04:09,351 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac40579e-e436-42dc-856c-438e380419e0/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 04:04:09,375 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:04:09,376 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:04:09,376 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:04:09,376 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:04:09,377 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:04:09,377 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:04:09,377 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:04:09,377 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:04:09,377 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:04:09,377 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:04:09,377 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:04:09,377 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 04:04:09,377 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 04:04:09,378 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 04:04:09,378 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:04:09,378 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:04:09,378 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:04:09,378 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:04:09,378 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:04:09,378 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:04:09,378 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:04:09,378 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 04:04:09,379 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:04:09,379 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:04:09,379 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:04:09,379 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:04:09,379 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:04:09,379 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 04:04:09,379 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:04:09,379 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 04:04:09,379 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_ac40579e-e436-42dc-856c-438e380419e0/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 -> e90d822b8418ab452739178fa8c7d7c0054f2eb66f4a31edacd20595dede730c [2024-12-06 04:04:09,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:04:09,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:04:09,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:04:09,634 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:04:09,634 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:04:09,635 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac40579e-e436-42dc-856c-438e380419e0/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.7.prop1-back-serstep.c [2024-12-06 04:04:12,347 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac40579e-e436-42dc-856c-438e380419e0/bin/ukojak-verify-CZk0znPC7b/data/61b2f801d/b066ad34d45646238339ce459274e35e/FLAGecfe4c5b4 [2024-12-06 04:04:12,657 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:04:12,657 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac40579e-e436-42dc-856c-438e380419e0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.7.prop1-back-serstep.c [2024-12-06 04:04:12,682 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac40579e-e436-42dc-856c-438e380419e0/bin/ukojak-verify-CZk0znPC7b/data/61b2f801d/b066ad34d45646238339ce459274e35e/FLAGecfe4c5b4 [2024-12-06 04:04:12,698 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac40579e-e436-42dc-856c-438e380419e0/bin/ukojak-verify-CZk0znPC7b/data/61b2f801d/b066ad34d45646238339ce459274e35e [2024-12-06 04:04:12,700 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:04:12,702 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:04:12,703 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:04:12,703 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:04:12,708 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:04:12,709 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:04:12" (1/1) ... [2024-12-06 04:04:12,710 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@633aca5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:04:12, skipping insertion in model container [2024-12-06 04:04:12,710 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:04:12" (1/1) ... [2024-12-06 04:04:12,772 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:04:12,962 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_ac40579e-e436-42dc-856c-438e380419e0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.7.prop1-back-serstep.c[1172,1185] [2024-12-06 04:04:13,286 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:04:13,297 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:04:13,304 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_ac40579e-e436-42dc-856c-438e380419e0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.7.prop1-back-serstep.c[1172,1185] [2024-12-06 04:04:13,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:04:13,491 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:04:13,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:04:13 WrapperNode [2024-12-06 04:04:13,491 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:04:13,492 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:04:13,492 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:04:13,492 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:04:13,497 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:04:13" (1/1) ... [2024-12-06 04:04:13,529 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:04:13" (1/1) ... [2024-12-06 04:04:13,637 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3330 [2024-12-06 04:04:13,637 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:04:13,638 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:04:13,638 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:04:13,638 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:04:13,646 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:04:13" (1/1) ... [2024-12-06 04:04:13,647 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:04:13" (1/1) ... [2024-12-06 04:04:13,671 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:04:13" (1/1) ... [2024-12-06 04:04:13,671 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:04:13" (1/1) ... [2024-12-06 04:04:13,727 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:04:13" (1/1) ... [2024-12-06 04:04:13,732 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:04:13" (1/1) ... [2024-12-06 04:04:13,737 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:04:13" (1/1) ... [2024-12-06 04:04:13,749 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:04:13" (1/1) ... [2024-12-06 04:04:13,760 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:04:13" (1/1) ... [2024-12-06 04:04:13,779 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:04:13,779 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:04:13,780 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:04:13,780 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:04:13,781 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:04:13" (1/1) ... [2024-12-06 04:04:13,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:04:13,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac40579e-e436-42dc-856c-438e380419e0/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:04:13,813 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac40579e-e436-42dc-856c-438e380419e0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:04:13,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac40579e-e436-42dc-856c-438e380419e0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:04:13,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:04:13,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 04:04:13,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:04:13,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:04:14,376 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:04:14,377 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:04:18,457 INFO L? ?]: Removed 310 outVars from TransFormulas that were not future-live. [2024-12-06 04:04:18,457 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:04:18,566 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:04:18,566 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 04:04:18,567 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:04:18 BoogieIcfgContainer [2024-12-06 04:04:18,567 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:04:18,568 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:04:18,568 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:04:18,577 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:04:18,577 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:04:18" (1/1) ... [2024-12-06 04:04:18,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:04:18,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:04:18,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 04:04:18,631 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 04:04:18,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 04:04:18,633 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:04:18,634 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:04:18,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac40579e-e436-42dc-856c-438e380419e0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:04:18,636 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac40579e-e436-42dc-856c-438e380419e0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:04:18,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac40579e-e436-42dc-856c-438e380419e0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 04:04:19,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:04:19,549 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:04:19,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:04:19,803 INFO L256 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 04:04:19,815 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:04:19,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:04:19,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac40579e-e436-42dc-856c-438e380419e0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 04:04:20,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:04:20,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 04:04:20,295 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 04:04:20,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:04:20,295 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:04:20,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:04:20,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac40579e-e436-42dc-856c-438e380419e0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:04:20,297 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac40579e-e436-42dc-856c-438e380419e0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:04:20,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac40579e-e436-42dc-856c-438e380419e0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 04:04:21,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:04:21,563 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:04:22,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:04:22,037 INFO L256 TraceCheckSpWp]: Trace formula consists of 594 conjuncts, 111 conjuncts are in the unsatisfiable core [2024-12-06 04:04:22,065 INFO L279 TraceCheckSpWp]: Computing forward predicates...