./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.1.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_50a27ea0-6702-48f2-a683-8d4ac488481e/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a27ea0-6702-48f2-a683-8d4ac488481e/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_50a27ea0-6702-48f2-a683-8d4ac488481e/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a27ea0-6702-48f2-a683-8d4ac488481e/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a27ea0-6702-48f2-a683-8d4ac488481e/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_50a27ea0-6702-48f2-a683-8d4ac488481e/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 a791e649d1fbac95bca960ad145f07612f309efa6a6027c1203101c7f9d7de85 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:10:37,125 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:10:37,192 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a27ea0-6702-48f2-a683-8d4ac488481e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 03:10:37,197 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:10:37,197 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:10:37,219 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:10:37,220 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:10:37,220 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:10:37,221 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:10:37,221 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:10:37,221 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:10:37,221 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:10:37,221 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:10:37,221 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:10:37,221 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:10:37,222 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:10:37,222 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:10:37,222 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:10:37,222 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:10:37,222 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:10:37,222 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:10:37,222 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:10:37,222 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:10:37,222 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:10:37,222 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:10:37,223 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:10:37,223 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:10:37,223 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:10:37,223 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:10:37,223 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:10:37,223 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_50a27ea0-6702-48f2-a683-8d4ac488481e/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 -> a791e649d1fbac95bca960ad145f07612f309efa6a6027c1203101c7f9d7de85 [2024-12-06 03:10:37,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:10:37,476 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:10:37,479 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:10:37,480 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:10:37,480 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:10:37,481 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a27ea0-6702-48f2-a683-8d4ac488481e/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.1.prop1-back-serstep.c [2024-12-06 03:10:40,197 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a27ea0-6702-48f2-a683-8d4ac488481e/bin/ukojak-verify-CZk0znPC7b/data/d67dea080/32d812289d904a2b9a06899e7b71a1db/FLAG518b81492 [2024-12-06 03:10:40,471 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:10:40,472 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a27ea0-6702-48f2-a683-8d4ac488481e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.1.prop1-back-serstep.c [2024-12-06 03:10:40,486 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a27ea0-6702-48f2-a683-8d4ac488481e/bin/ukojak-verify-CZk0znPC7b/data/d67dea080/32d812289d904a2b9a06899e7b71a1db/FLAG518b81492 [2024-12-06 03:10:40,501 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a27ea0-6702-48f2-a683-8d4ac488481e/bin/ukojak-verify-CZk0znPC7b/data/d67dea080/32d812289d904a2b9a06899e7b71a1db [2024-12-06 03:10:40,504 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:10:40,505 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:10:40,507 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:10:40,507 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:10:40,511 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:10:40,512 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:10:40" (1/1) ... [2024-12-06 03:10:40,513 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3be2f46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:10:40, skipping insertion in model container [2024-12-06 03:10:40,513 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:10:40" (1/1) ... [2024-12-06 03:10:40,555 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:10:40,719 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_50a27ea0-6702-48f2-a683-8d4ac488481e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.1.prop1-back-serstep.c[1176,1189] [2024-12-06 03:10:41,014 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:10:41,025 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:10:41,037 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_50a27ea0-6702-48f2-a683-8d4ac488481e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.1.prop1-back-serstep.c[1176,1189] [2024-12-06 03:10:41,215 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:10:41,229 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:10:41,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:10:41 WrapperNode [2024-12-06 03:10:41,229 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:10:41,230 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:10:41,230 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:10:41,231 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:10:41,237 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:10:41" (1/1) ... [2024-12-06 03:10:41,283 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:10:41" (1/1) ... [2024-12-06 03:10:41,769 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5669 [2024-12-06 03:10:41,769 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:10:41,770 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:10:41,770 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:10:41,770 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:10:41,779 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:10:41" (1/1) ... [2024-12-06 03:10:41,779 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:10:41" (1/1) ... [2024-12-06 03:10:41,937 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:10:41" (1/1) ... [2024-12-06 03:10:41,937 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:10:41" (1/1) ... [2024-12-06 03:10:42,063 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:10:41" (1/1) ... [2024-12-06 03:10:42,108 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:10:41" (1/1) ... [2024-12-06 03:10:42,133 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:10:41" (1/1) ... [2024-12-06 03:10:42,167 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:10:41" (1/1) ... [2024-12-06 03:10:42,184 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:10:41" (1/1) ... [2024-12-06 03:10:42,271 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:10:42,271 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:10:42,272 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:10:42,272 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:10:42,273 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:10:41" (1/1) ... [2024-12-06 03:10:42,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:10:42,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a27ea0-6702-48f2-a683-8d4ac488481e/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:10:42,302 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a27ea0-6702-48f2-a683-8d4ac488481e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:10:42,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a27ea0-6702-48f2-a683-8d4ac488481e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:10:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:10:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:10:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:10:42,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:10:42,694 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:10:42,696 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:10:49,373 INFO L? ?]: Removed 3093 outVars from TransFormulas that were not future-live. [2024-12-06 03:10:49,373 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:10:56,601 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:10:56,602 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 03:10:56,602 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:10:56 BoogieIcfgContainer [2024-12-06 03:10:56,602 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:10:56,603 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:10:56,603 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:10:56,612 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:10:56,613 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:10:56" (1/1) ... [2024-12-06 03:10:56,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:10:56,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:10:56,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 03:10:56,664 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 03:10:56,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 03:10:56,667 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:10:56,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:10:57,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:10:59,537 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 03:11:09,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:11:19,796 WARN L539 Checker$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 03:11:22,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:11:24,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:11:33,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.96s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:11:33,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:11:33,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 03:11:33,423 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 03:11:33,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:11:33,423 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:11:33,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:12:39,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:12:39,449 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:13:34,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:13:44,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:13:44,971 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 03:13:44,974 INFO L158 Benchmark]: Toolchain (without parser) took 184469.14ms. Allocated memory was 142.6MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 114.2MB in the beginning and 788.5MB in the end (delta: -674.3MB). Peak memory consumption was 820.8MB. Max. memory is 16.1GB. [2024-12-06 03:13:44,974 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:13:44,975 INFO L158 Benchmark]: CACSL2BoogieTranslator took 723.33ms. Allocated memory is still 142.6MB. Free memory was 114.2MB in the beginning and 87.6MB in the end (delta: 26.6MB). Peak memory consumption was 88.4MB. Max. memory is 16.1GB. [2024-12-06 03:13:44,975 INFO L158 Benchmark]: Boogie Procedure Inliner took 538.92ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 87.6MB in the beginning and 129.3MB in the end (delta: -41.7MB). Peak memory consumption was 102.8MB. Max. memory is 16.1GB. [2024-12-06 03:13:44,975 INFO L158 Benchmark]: Boogie Preprocessor took 500.87ms. Allocated memory is still 285.2MB. Free memory was 129.3MB in the beginning and 116.4MB in the end (delta: 13.0MB). Peak memory consumption was 73.2MB. Max. memory is 16.1GB. [2024-12-06 03:13:44,976 INFO L158 Benchmark]: RCFGBuilder took 14330.88ms. Allocated memory was 285.2MB in the beginning and 813.7MB in the end (delta: 528.5MB). Free memory was 116.4MB in the beginning and 479.9MB in the end (delta: -363.5MB). Peak memory consumption was 572.9MB. Max. memory is 16.1GB. [2024-12-06 03:13:44,976 INFO L158 Benchmark]: CodeCheck took 168370.41ms. Allocated memory was 813.7MB in the beginning and 1.6GB in the end (delta: 822.1MB). Free memory was 479.9MB in the beginning and 788.5MB in the end (delta: -308.6MB). Peak memory consumption was 517.2MB. Max. memory is 16.1GB. [2024-12-06 03:13:44,978 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 84.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 723.33ms. Allocated memory is still 142.6MB. Free memory was 114.2MB in the beginning and 87.6MB in the end (delta: 26.6MB). Peak memory consumption was 88.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 538.92ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 87.6MB in the beginning and 129.3MB in the end (delta: -41.7MB). Peak memory consumption was 102.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 500.87ms. Allocated memory is still 285.2MB. Free memory was 129.3MB in the beginning and 116.4MB in the end (delta: 13.0MB). Peak memory consumption was 73.2MB. Max. memory is 16.1GB. * RCFGBuilder took 14330.88ms. Allocated memory was 285.2MB in the beginning and 813.7MB in the end (delta: 528.5MB). Free memory was 116.4MB in the beginning and 479.9MB in the end (delta: -363.5MB). Peak memory consumption was 572.9MB. Max. memory is 16.1GB. * CodeCheck took 168370.41ms. Allocated memory was 813.7MB in the beginning and 1.6GB in the end (delta: 822.1MB). Free memory was 479.9MB in the beginning and 788.5MB in the end (delta: -308.6MB). Peak memory consumption was 517.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 03:13:45,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a27ea0-6702-48f2-a683-8d4ac488481e/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_50a27ea0-6702-48f2-a683-8d4ac488481e/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a27ea0-6702-48f2-a683-8d4ac488481e/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_50a27ea0-6702-48f2-a683-8d4ac488481e/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a27ea0-6702-48f2-a683-8d4ac488481e/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a27ea0-6702-48f2-a683-8d4ac488481e/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_50a27ea0-6702-48f2-a683-8d4ac488481e/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 a791e649d1fbac95bca960ad145f07612f309efa6a6027c1203101c7f9d7de85 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:13:47,000 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:13:47,075 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a27ea0-6702-48f2-a683-8d4ac488481e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 03:13:47,097 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:13:47,098 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:13:47,098 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:13:47,099 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:13:47,099 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:13:47,099 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:13:47,099 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:13:47,099 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:13:47,099 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:13:47,099 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:13:47,100 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:13:47,100 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 03:13:47,100 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 03:13:47,100 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 03:13:47,100 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:13:47,100 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:13:47,100 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:13:47,100 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:13:47,100 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:13:47,100 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:13:47,100 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:13:47,101 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 03:13:47,101 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:13:47,101 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:13:47,101 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:13:47,101 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:13:47,101 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:13:47,101 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 03:13:47,101 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:13:47,101 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 03:13:47,101 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_50a27ea0-6702-48f2-a683-8d4ac488481e/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 -> a791e649d1fbac95bca960ad145f07612f309efa6a6027c1203101c7f9d7de85 [2024-12-06 03:13:47,339 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:13:47,346 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:13:47,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:13:47,349 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:13:47,350 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:13:47,351 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a27ea0-6702-48f2-a683-8d4ac488481e/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.1.prop1-back-serstep.c [2024-12-06 03:13:50,014 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a27ea0-6702-48f2-a683-8d4ac488481e/bin/ukojak-verify-CZk0znPC7b/data/f50d242a0/e5a7d412f7bc420ca0d4ae6b5c1e4cef/FLAG683897572 [2024-12-06 03:13:50,295 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:13:50,295 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a27ea0-6702-48f2-a683-8d4ac488481e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.1.prop1-back-serstep.c [2024-12-06 03:13:50,312 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a27ea0-6702-48f2-a683-8d4ac488481e/bin/ukojak-verify-CZk0znPC7b/data/f50d242a0/e5a7d412f7bc420ca0d4ae6b5c1e4cef/FLAG683897572 [2024-12-06 03:13:50,562 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a27ea0-6702-48f2-a683-8d4ac488481e/bin/ukojak-verify-CZk0znPC7b/data/f50d242a0/e5a7d412f7bc420ca0d4ae6b5c1e4cef [2024-12-06 03:13:50,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:13:50,564 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:13:50,565 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:13:50,565 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:13:50,568 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:13:50,569 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:13:50" (1/1) ... [2024-12-06 03:13:50,569 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3180bb2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:13:50, skipping insertion in model container [2024-12-06 03:13:50,570 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:13:50" (1/1) ... [2024-12-06 03:13:50,607 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:13:50,770 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_50a27ea0-6702-48f2-a683-8d4ac488481e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.1.prop1-back-serstep.c[1176,1189] [2024-12-06 03:13:51,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:13:51,021 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:13:51,030 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_50a27ea0-6702-48f2-a683-8d4ac488481e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.1.prop1-back-serstep.c[1176,1189] [2024-12-06 03:13:51,137 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:13:51,149 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:13:51,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:13:51 WrapperNode [2024-12-06 03:13:51,150 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:13:51,151 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:13:51,151 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:13:51,151 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:13:51,158 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:13:51" (1/1) ... [2024-12-06 03:13:51,182 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:13:51" (1/1) ... [2024-12-06 03:13:51,259 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1861 [2024-12-06 03:13:51,259 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:13:51,259 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:13:51,259 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:13:51,260 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:13:51,267 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:13:51" (1/1) ... [2024-12-06 03:13:51,267 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:13:51" (1/1) ... [2024-12-06 03:13:51,277 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:13:51" (1/1) ... [2024-12-06 03:13:51,277 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:13:51" (1/1) ... [2024-12-06 03:13:51,309 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:13:51" (1/1) ... [2024-12-06 03:13:51,313 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:13:51" (1/1) ... [2024-12-06 03:13:51,317 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:13:51" (1/1) ... [2024-12-06 03:13:51,324 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:13:51" (1/1) ... [2024-12-06 03:13:51,330 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:13:51" (1/1) ... [2024-12-06 03:13:51,342 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:13:51,343 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:13:51,343 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:13:51,343 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:13:51,344 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:13:51" (1/1) ... [2024-12-06 03:13:51,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:13:51,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a27ea0-6702-48f2-a683-8d4ac488481e/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:13:51,373 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a27ea0-6702-48f2-a683-8d4ac488481e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:13:51,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a27ea0-6702-48f2-a683-8d4ac488481e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:13:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:13:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 03:13:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:13:51,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:13:51,699 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:13:51,701 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:13:53,730 INFO L? ?]: Removed 207 outVars from TransFormulas that were not future-live. [2024-12-06 03:13:53,730 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:13:53,775 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:13:53,775 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 03:13:53,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:13:53 BoogieIcfgContainer [2024-12-06 03:13:53,776 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:13:53,776 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:13:53,776 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:13:53,783 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:13:53,783 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:13:53" (1/1) ... [2024-12-06 03:13:53,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:13:53,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:13:53,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 03:13:53,825 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 03:13:53,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 03:13:53,826 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:13:53,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:13:53,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a27ea0-6702-48f2-a683-8d4ac488481e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:13:53,829 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a27ea0-6702-48f2-a683-8d4ac488481e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:13:53,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a27ea0-6702-48f2-a683-8d4ac488481e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 03:13:54,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:54,489 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:13:54,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:54,673 INFO L256 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:13:54,682 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:13:54,760 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 03:13:54,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a27ea0-6702-48f2-a683-8d4ac488481e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 03:13:54,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:13:54,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 03:13:54,991 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 03:13:54,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:13:54,992 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:13:54,992 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:13:54,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a27ea0-6702-48f2-a683-8d4ac488481e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:13:54,994 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a27ea0-6702-48f2-a683-8d4ac488481e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:13:54,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a27ea0-6702-48f2-a683-8d4ac488481e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 03:13:56,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:56,004 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:13:56,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:56,371 INFO L256 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 76 conjuncts are in the unsatisfiable core [2024-12-06 03:13:56,397 INFO L279 TraceCheckSpWp]: Computing forward predicates...