./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.3.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_42306c88-5b05-4bb2-80fb-1f941dc724a1/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42306c88-5b05-4bb2-80fb-1f941dc724a1/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_42306c88-5b05-4bb2-80fb-1f941dc724a1/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42306c88-5b05-4bb2-80fb-1f941dc724a1/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42306c88-5b05-4bb2-80fb-1f941dc724a1/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_42306c88-5b05-4bb2-80fb-1f941dc724a1/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 c21c7a04f7c65d646dcfd58f2b9e1376593565a3afb4592eab5eb3bc899fc96f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:41:38,193 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:41:38,247 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42306c88-5b05-4bb2-80fb-1f941dc724a1/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 02:41:38,252 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:41:38,252 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:41:38,271 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:41:38,272 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:41:38,272 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:41:38,272 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:41:38,272 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:41:38,272 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:41:38,272 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:41:38,273 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:41:38,273 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:41:38,273 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:41:38,273 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:41:38,273 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:41:38,273 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:41:38,273 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:41:38,273 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:41:38,273 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:41:38,273 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:41:38,273 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:41:38,274 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:41:38,274 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:41:38,274 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:41:38,274 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:41:38,274 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:41:38,274 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:41:38,274 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:41:38,274 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_42306c88-5b05-4bb2-80fb-1f941dc724a1/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 -> c21c7a04f7c65d646dcfd58f2b9e1376593565a3afb4592eab5eb3bc899fc96f [2024-12-06 02:41:38,494 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:41:38,502 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:41:38,504 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:41:38,505 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:41:38,506 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:41:38,507 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42306c88-5b05-4bb2-80fb-1f941dc724a1/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.3.prop1-back-serstep.c [2024-12-06 02:41:41,135 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42306c88-5b05-4bb2-80fb-1f941dc724a1/bin/ukojak-verify-CZk0znPC7b/data/9379ce55a/da53f4a931bc4ed38793ed8b46b450ca/FLAGbeb023c04 [2024-12-06 02:41:41,491 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:41:41,492 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42306c88-5b05-4bb2-80fb-1f941dc724a1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.3.prop1-back-serstep.c [2024-12-06 02:41:41,516 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42306c88-5b05-4bb2-80fb-1f941dc724a1/bin/ukojak-verify-CZk0znPC7b/data/9379ce55a/da53f4a931bc4ed38793ed8b46b450ca/FLAGbeb023c04 [2024-12-06 02:41:41,716 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42306c88-5b05-4bb2-80fb-1f941dc724a1/bin/ukojak-verify-CZk0znPC7b/data/9379ce55a/da53f4a931bc4ed38793ed8b46b450ca [2024-12-06 02:41:41,718 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:41:41,719 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:41:41,720 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:41:41,720 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:41:41,723 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:41:41,723 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:41:41" (1/1) ... [2024-12-06 02:41:41,724 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@505dea9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:41:41, skipping insertion in model container [2024-12-06 02:41:41,724 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:41:41" (1/1) ... [2024-12-06 02:41:41,788 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:41:41,952 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_42306c88-5b05-4bb2-80fb-1f941dc724a1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.3.prop1-back-serstep.c[1177,1190] [2024-12-06 02:41:42,343 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:41:42,354 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:41:42,364 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_42306c88-5b05-4bb2-80fb-1f941dc724a1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.3.prop1-back-serstep.c[1177,1190] [2024-12-06 02:41:42,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:41:42,630 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:41:42,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:41:42 WrapperNode [2024-12-06 02:41:42,631 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:41:42,633 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:41:42,633 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:41:42,633 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:41:42,639 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:41:42" (1/1) ... [2024-12-06 02:41:42,728 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:41:42" (1/1) ... [2024-12-06 02:41:43,463 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 13054 [2024-12-06 02:41:43,464 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:41:43,464 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:41:43,464 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:41:43,465 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:41:43,470 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:41:42" (1/1) ... [2024-12-06 02:41:43,471 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:41:42" (1/1) ... [2024-12-06 02:41:43,708 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:41:42" (1/1) ... [2024-12-06 02:41:43,708 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:41:42" (1/1) ... [2024-12-06 02:41:44,143 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:41:42" (1/1) ... [2024-12-06 02:41:44,194 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:41:42" (1/1) ... [2024-12-06 02:41:44,239 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:41:42" (1/1) ... [2024-12-06 02:41:44,294 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:41:42" (1/1) ... [2024-12-06 02:41:44,327 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:41:42" (1/1) ... [2024-12-06 02:41:44,489 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:41:44,490 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:41:44,490 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:41:44,490 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:41:44,491 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:41:42" (1/1) ... [2024-12-06 02:41:44,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:41:44,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42306c88-5b05-4bb2-80fb-1f941dc724a1/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:41:44,523 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42306c88-5b05-4bb2-80fb-1f941dc724a1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:41:44,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42306c88-5b05-4bb2-80fb-1f941dc724a1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:41:44,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:41:44,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:41:44,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:41:44,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:41:45,154 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:41:45,156 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:42:05,661 INFO L? ?]: Removed 6570 outVars from TransFormulas that were not future-live. [2024-12-06 02:42:05,662 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:42:28,793 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:42:28,793 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 02:42:28,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:42:28 BoogieIcfgContainer [2024-12-06 02:42:28,794 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:42:28,795 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:42:28,795 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:42:28,802 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:42:28,803 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:42:28" (1/1) ... [2024-12-06 02:42:28,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:42:28,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:42:28,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 02:42:28,846 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 02:42:28,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:42:28,848 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:42:28,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:42:30,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:42:32,663 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 02:42:43,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.49s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 02:42:53,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 02:43:03,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:43:12,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.68s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:43:14,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:43:17,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.31s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:43:27,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:43:28,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:43:28,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 02:43:28,026 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 02:43:28,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:43:28,027 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:43:28,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:48:28,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:48:39,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:48:40,083 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 02:48:40,088 INFO L158 Benchmark]: Toolchain (without parser) took 418368.71ms. Allocated memory was 142.6MB in the beginning and 7.0GB in the end (delta: 6.8GB). Free memory was 111.7MB in the beginning and 5.0GB in the end (delta: -4.9GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. [2024-12-06 02:48:40,088 INFO L158 Benchmark]: CDTParser took 0.29ms. 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 02:48:40,089 INFO L158 Benchmark]: CACSL2BoogieTranslator took 912.18ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 111.5MB in the beginning and 66.2MB in the end (delta: 45.3MB). Peak memory consumption was 108.3MB. Max. memory is 16.1GB. [2024-12-06 02:48:40,089 INFO L158 Benchmark]: Boogie Procedure Inliner took 831.33ms. Allocated memory was 151.0MB in the beginning and 343.9MB in the end (delta: 192.9MB). Free memory was 66.2MB in the beginning and 111.1MB in the end (delta: -44.9MB). Peak memory consumption was 233.1MB. Max. memory is 16.1GB. [2024-12-06 02:48:40,090 INFO L158 Benchmark]: Boogie Preprocessor took 1024.56ms. Allocated memory was 343.9MB in the beginning and 813.7MB in the end (delta: 469.8MB). Free memory was 111.1MB in the beginning and 506.7MB in the end (delta: -395.6MB). Peak memory consumption was 98.6MB. Max. memory is 16.1GB. [2024-12-06 02:48:40,090 INFO L158 Benchmark]: RCFGBuilder took 44304.05ms. Allocated memory was 813.7MB in the beginning and 7.0GB in the end (delta: 6.2GB). Free memory was 506.7MB in the beginning and 5.2GB in the end (delta: -4.7GB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. [2024-12-06 02:48:40,091 INFO L158 Benchmark]: CodeCheck took 371292.25ms. Allocated memory is still 7.0GB. Free memory was 5.2GB in the beginning and 5.0GB in the end (delta: 189.8MB). Peak memory consumption was 189.5MB. Max. memory is 16.1GB. [2024-12-06 02:48:40,094 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 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 912.18ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 111.5MB in the beginning and 66.2MB in the end (delta: 45.3MB). Peak memory consumption was 108.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 831.33ms. Allocated memory was 151.0MB in the beginning and 343.9MB in the end (delta: 192.9MB). Free memory was 66.2MB in the beginning and 111.1MB in the end (delta: -44.9MB). Peak memory consumption was 233.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1024.56ms. Allocated memory was 343.9MB in the beginning and 813.7MB in the end (delta: 469.8MB). Free memory was 111.1MB in the beginning and 506.7MB in the end (delta: -395.6MB). Peak memory consumption was 98.6MB. Max. memory is 16.1GB. * RCFGBuilder took 44304.05ms. Allocated memory was 813.7MB in the beginning and 7.0GB in the end (delta: 6.2GB). Free memory was 506.7MB in the beginning and 5.2GB in the end (delta: -4.7GB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. * CodeCheck took 371292.25ms. Allocated memory is still 7.0GB. Free memory was 5.2GB in the beginning and 5.0GB in the end (delta: 189.8MB). Peak memory consumption was 189.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 02:48:40,301 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42306c88-5b05-4bb2-80fb-1f941dc724a1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-06 02:48:40,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42306c88-5b05-4bb2-80fb-1f941dc724a1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 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_42306c88-5b05-4bb2-80fb-1f941dc724a1/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42306c88-5b05-4bb2-80fb-1f941dc724a1/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_42306c88-5b05-4bb2-80fb-1f941dc724a1/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42306c88-5b05-4bb2-80fb-1f941dc724a1/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42306c88-5b05-4bb2-80fb-1f941dc724a1/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_42306c88-5b05-4bb2-80fb-1f941dc724a1/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 c21c7a04f7c65d646dcfd58f2b9e1376593565a3afb4592eab5eb3bc899fc96f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:48:42,446 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:48:42,532 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42306c88-5b05-4bb2-80fb-1f941dc724a1/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 02:48:42,558 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:48:42,559 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:48:42,559 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:48:42,560 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:48:42,560 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:48:42,560 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:48:42,560 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:48:42,560 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:48:42,560 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:48:42,560 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:48:42,560 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:48:42,561 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 02:48:42,561 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 02:48:42,561 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 02:48:42,561 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:48:42,561 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:48:42,561 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:48:42,561 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:48:42,561 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:48:42,561 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:48:42,561 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:48:42,561 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 02:48:42,562 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:48:42,562 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:48:42,562 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:48:42,562 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:48:42,562 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:48:42,562 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 02:48:42,562 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:48:42,563 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 02:48:42,563 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_42306c88-5b05-4bb2-80fb-1f941dc724a1/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 -> c21c7a04f7c65d646dcfd58f2b9e1376593565a3afb4592eab5eb3bc899fc96f [2024-12-06 02:48:42,808 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:48:42,815 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:48:42,817 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:48:42,819 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:48:42,819 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:48:42,820 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42306c88-5b05-4bb2-80fb-1f941dc724a1/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.3.prop1-back-serstep.c [2024-12-06 02:48:45,521 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42306c88-5b05-4bb2-80fb-1f941dc724a1/bin/ukojak-verify-CZk0znPC7b/data/ebbe0dee4/58852f08002b49078a1b4c6d43b04819/FLAGa71c2e5c5 [2024-12-06 02:48:45,833 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:48:45,834 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42306c88-5b05-4bb2-80fb-1f941dc724a1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.3.prop1-back-serstep.c [2024-12-06 02:48:45,857 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42306c88-5b05-4bb2-80fb-1f941dc724a1/bin/ukojak-verify-CZk0znPC7b/data/ebbe0dee4/58852f08002b49078a1b4c6d43b04819/FLAGa71c2e5c5 [2024-12-06 02:48:45,871 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42306c88-5b05-4bb2-80fb-1f941dc724a1/bin/ukojak-verify-CZk0znPC7b/data/ebbe0dee4/58852f08002b49078a1b4c6d43b04819 [2024-12-06 02:48:45,873 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:48:45,875 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:48:45,876 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:48:45,876 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:48:45,881 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:48:45,881 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:48:45" (1/1) ... [2024-12-06 02:48:45,882 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@703c0fce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:48:45, skipping insertion in model container [2024-12-06 02:48:45,883 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:48:45" (1/1) ... [2024-12-06 02:48:45,934 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:48:46,108 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_42306c88-5b05-4bb2-80fb-1f941dc724a1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.3.prop1-back-serstep.c[1177,1190] [2024-12-06 02:48:46,450 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:48:46,462 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:48:46,472 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_42306c88-5b05-4bb2-80fb-1f941dc724a1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.3.prop1-back-serstep.c[1177,1190] [2024-12-06 02:48:46,657 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:48:46,670 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:48:46,670 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:48:46 WrapperNode [2024-12-06 02:48:46,671 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:48:46,672 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:48:46,672 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:48:46,672 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:48:46,678 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:48:46" (1/1) ... [2024-12-06 02:48:46,714 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:48:46" (1/1) ... [2024-12-06 02:48:46,819 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3202 [2024-12-06 02:48:46,819 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:48:46,820 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:48:46,820 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:48:46,820 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:48:46,827 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:48:46" (1/1) ... [2024-12-06 02:48:46,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:48:46" (1/1) ... [2024-12-06 02:48:46,847 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:48:46" (1/1) ... [2024-12-06 02:48:46,848 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:48:46" (1/1) ... [2024-12-06 02:48:46,899 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:48:46" (1/1) ... [2024-12-06 02:48:46,904 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:48:46" (1/1) ... [2024-12-06 02:48:46,909 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:48:46" (1/1) ... [2024-12-06 02:48:46,919 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:48:46" (1/1) ... [2024-12-06 02:48:46,929 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:48:46" (1/1) ... [2024-12-06 02:48:46,946 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:48:46,946 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:48:46,946 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:48:46,947 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:48:46,947 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:48:46" (1/1) ... [2024-12-06 02:48:46,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:48:46,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42306c88-5b05-4bb2-80fb-1f941dc724a1/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:48:46,975 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42306c88-5b05-4bb2-80fb-1f941dc724a1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:48:46,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42306c88-5b05-4bb2-80fb-1f941dc724a1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:48:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:48:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 02:48:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:48:46,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:48:47,463 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:48:47,465 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:49:02,148 INFO L? ?]: Removed 259 outVars from TransFormulas that were not future-live. [2024-12-06 02:49:02,149 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:49:02,227 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:49:02,228 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 02:49:02,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:49:02 BoogieIcfgContainer [2024-12-06 02:49:02,228 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:49:02,229 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:49:02,229 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:49:02,236 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:49:02,236 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:49:02" (1/1) ... [2024-12-06 02:49:02,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:49:02,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:49:02,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 02:49:02,276 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 02:49:02,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:49:02,278 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:49:02,279 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:49:02,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42306c88-5b05-4bb2-80fb-1f941dc724a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:49:02,281 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42306c88-5b05-4bb2-80fb-1f941dc724a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:49:02,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42306c88-5b05-4bb2-80fb-1f941dc724a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 02:49:03,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:49:03,131 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:49:03,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:49:03,346 INFO L256 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 02:49:03,354 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:49:03,568 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 02:49:03,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42306c88-5b05-4bb2-80fb-1f941dc724a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 02:49:14,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.43s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:49:22,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.63s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:49:23,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:49:23,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 02:49:23,185 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 02:49:23,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:49:23,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:49:23,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:49:23,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42306c88-5b05-4bb2-80fb-1f941dc724a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:49:23,188 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42306c88-5b05-4bb2-80fb-1f941dc724a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:49:23,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42306c88-5b05-4bb2-80fb-1f941dc724a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 02:49:27,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:49:27,479 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:49:28,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:49:28,389 INFO L256 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 77 conjuncts are in the unsatisfiable core [2024-12-06 02:49:28,426 INFO L279 TraceCheckSpWp]: Computing forward predicates...