./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ad53b5-bfeb-4a5c-8c53-68c5a65f2576/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ad53b5-bfeb-4a5c-8c53-68c5a65f2576/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ad53b5-bfeb-4a5c-8c53-68c5a65f2576/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ad53b5-bfeb-4a5c-8c53-68c5a65f2576/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ad53b5-bfeb-4a5c-8c53-68c5a65f2576/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ad53b5-bfeb-4a5c-8c53-68c5a65f2576/bin/ukojak-verify-EEHR8qb7sm --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 531c6232318ca14fed66fc5efcd9c390e3e7ee576e67472e752cd873da255181 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:41:33,628 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:41:33,690 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ad53b5-bfeb-4a5c-8c53-68c5a65f2576/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 16:41:33,698 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:41:33,699 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:41:33,721 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:41:33,722 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:41:33,722 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:41:33,722 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:41:33,723 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:41:33,723 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:41:33,723 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:41:33,723 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:41:33,723 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:41:33,723 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:41:33,724 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:41:33,724 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:41:33,724 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:41:33,724 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:41:33,724 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:41:33,724 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:41:33,725 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:41:33,725 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:41:33,725 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:41:33,725 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:41:33,725 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:41:33,725 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:41:33,725 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:41:33,726 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:41:33,726 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:41:33,726 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_c8ad53b5-bfeb-4a5c-8c53-68c5a65f2576/bin/ukojak-verify-EEHR8qb7sm 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 -> 531c6232318ca14fed66fc5efcd9c390e3e7ee576e67472e752cd873da255181 [2024-11-13 16:41:34,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:41:34,045 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:41:34,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:41:34,050 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:41:34,051 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:41:34,052 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ad53b5-bfeb-4a5c-8c53-68c5a65f2576/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 16:41:35,954 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:41:36,322 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:41:36,323 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ad53b5-bfeb-4a5c-8c53-68c5a65f2576/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-back-serstep.c [2024-11-13 16:41:36,360 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ad53b5-bfeb-4a5c-8c53-68c5a65f2576/bin/ukojak-verify-EEHR8qb7sm/data/2b72f726b/871eed2b8e324c1bb7e1af9a47f001cb/FLAGed666f14f [2024-11-13 16:41:36,377 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ad53b5-bfeb-4a5c-8c53-68c5a65f2576/bin/ukojak-verify-EEHR8qb7sm/data/2b72f726b/871eed2b8e324c1bb7e1af9a47f001cb [2024-11-13 16:41:36,379 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:41:36,381 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:41:36,383 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:41:36,383 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:41:36,388 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:41:36,389 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:41:36" (1/1) ... [2024-11-13 16:41:36,389 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1211849 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:36, skipping insertion in model container [2024-11-13 16:41:36,390 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:41:36" (1/1) ... [2024-11-13 16:41:36,464 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:41:36,694 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_c8ad53b5-bfeb-4a5c-8c53-68c5a65f2576/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-back-serstep.c[1176,1189] [2024-11-13 16:41:37,240 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:41:37,249 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:41:37,258 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_c8ad53b5-bfeb-4a5c-8c53-68c5a65f2576/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-back-serstep.c[1176,1189] [2024-11-13 16:41:37,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:41:37,540 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:41:37,540 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:37 WrapperNode [2024-11-13 16:41:37,540 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:41:37,541 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:41:37,542 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:41:37,542 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:41:37,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:37" (1/1) ... [2024-11-13 16:41:37,614 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:37" (1/1) ... [2024-11-13 16:41:38,580 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 7678 [2024-11-13 16:41:38,580 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:41:38,581 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:41:38,581 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:41:38,581 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:41:38,589 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:37" (1/1) ... [2024-11-13 16:41:38,589 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:37" (1/1) ... [2024-11-13 16:41:38,964 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:37" (1/1) ... [2024-11-13 16:41:38,964 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:37" (1/1) ... [2024-11-13 16:41:39,226 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:37" (1/1) ... [2024-11-13 16:41:39,274 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:37" (1/1) ... [2024-11-13 16:41:39,360 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:37" (1/1) ... [2024-11-13 16:41:39,398 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:37" (1/1) ... [2024-11-13 16:41:39,636 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:41:39,638 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:41:39,638 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:41:39,639 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:41:39,640 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:37" (1/1) ... [2024-11-13 16:41:39,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:41:39,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ad53b5-bfeb-4a5c-8c53-68c5a65f2576/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:41:39,681 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ad53b5-bfeb-4a5c-8c53-68c5a65f2576/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:41:39,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ad53b5-bfeb-4a5c-8c53-68c5a65f2576/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:41:39,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:41:39,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:41:39,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:41:39,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:41:40,306 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:41:40,308 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:41:51,672 INFO L? ?]: Removed 4223 outVars from TransFormulas that were not future-live. [2024-11-13 16:41:51,673 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:42:05,691 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:42:05,692 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:42:05,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:42:05 BoogieIcfgContainer [2024-11-13 16:42:05,693 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:42:05,694 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:42:05,694 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:42:05,703 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:42:05,703 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:42:05" (1/1) ... [2024-11-13 16:42:05,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:42:05,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:42:05,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 16:42:05,771 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 16:42:05,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 16:42:05,773 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:42:05,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:42:09,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:42:26,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:42:36,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:42:46,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:42:48,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:42:50,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:42:52,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:42:53,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:43:03,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:43:03,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:03,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 16:43:03,945 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 16:43:03,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:43:03,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:03,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:45:07,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:45:07,986 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:47:31,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:47:42,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:47:42,638 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 16:47:42,644 INFO L158 Benchmark]: Toolchain (without parser) took 366262.29ms. Allocated memory was 117.4MB in the beginning and 2.7GB in the end (delta: 2.5GB). Free memory was 88.2MB in the beginning and 1.1GB in the end (delta: -1.1GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2024-11-13 16:47:42,644 INFO L158 Benchmark]: CDTParser took 0.96ms. Allocated memory is still 83.9MB. Free memory is still 40.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:47:42,645 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1158.00ms. Allocated memory is still 117.4MB. Free memory was 88.2MB in the beginning and 37.5MB in the end (delta: 50.8MB). Peak memory consumption was 76.9MB. Max. memory is 16.1GB. [2024-11-13 16:47:42,645 INFO L158 Benchmark]: Boogie Procedure Inliner took 1038.96ms. Allocated memory was 117.4MB in the beginning and 704.6MB in the end (delta: 587.2MB). Free memory was 37.4MB in the beginning and 535.3MB in the end (delta: -498.0MB). Peak memory consumption was 127.4MB. Max. memory is 16.1GB. [2024-11-13 16:47:42,646 INFO L158 Benchmark]: Boogie Preprocessor took 1054.84ms. Allocated memory was 704.6MB in the beginning and 536.9MB in the end (delta: -167.8MB). Free memory was 535.3MB in the beginning and 317.4MB in the end (delta: 217.9MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. [2024-11-13 16:47:42,646 INFO L158 Benchmark]: RCFGBuilder took 26055.01ms. Allocated memory was 536.9MB in the beginning and 872.4MB in the end (delta: 335.5MB). Free memory was 317.4MB in the beginning and 309.8MB in the end (delta: 7.6MB). Peak memory consumption was 648.3MB. Max. memory is 16.1GB. [2024-11-13 16:47:42,647 INFO L158 Benchmark]: CodeCheck took 336949.23ms. Allocated memory was 872.4MB in the beginning and 2.7GB in the end (delta: 1.8GB). Free memory was 309.8MB in the beginning and 1.1GB in the end (delta: -834.9MB). Peak memory consumption was 947.5MB. Max. memory is 16.1GB. [2024-11-13 16:47:42,650 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 0.96ms. Allocated memory is still 83.9MB. Free memory is still 40.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1158.00ms. Allocated memory is still 117.4MB. Free memory was 88.2MB in the beginning and 37.5MB in the end (delta: 50.8MB). Peak memory consumption was 76.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1038.96ms. Allocated memory was 117.4MB in the beginning and 704.6MB in the end (delta: 587.2MB). Free memory was 37.4MB in the beginning and 535.3MB in the end (delta: -498.0MB). Peak memory consumption was 127.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1054.84ms. Allocated memory was 704.6MB in the beginning and 536.9MB in the end (delta: -167.8MB). Free memory was 535.3MB in the beginning and 317.4MB in the end (delta: 217.9MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. * RCFGBuilder took 26055.01ms. Allocated memory was 536.9MB in the beginning and 872.4MB in the end (delta: 335.5MB). Free memory was 317.4MB in the beginning and 309.8MB in the end (delta: 7.6MB). Peak memory consumption was 648.3MB. Max. memory is 16.1GB. * CodeCheck took 336949.23ms. Allocated memory was 872.4MB in the beginning and 2.7GB in the end (delta: 1.8GB). Free memory was 309.8MB in the beginning and 1.1GB in the end (delta: -834.9MB). Peak memory consumption was 947.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 16:47:42,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ad53b5-bfeb-4a5c-8c53-68c5a65f2576/bin/ukojak-verify-EEHR8qb7sm/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_c8ad53b5-bfeb-4a5c-8c53-68c5a65f2576/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ad53b5-bfeb-4a5c-8c53-68c5a65f2576/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ad53b5-bfeb-4a5c-8c53-68c5a65f2576/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ad53b5-bfeb-4a5c-8c53-68c5a65f2576/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ad53b5-bfeb-4a5c-8c53-68c5a65f2576/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ad53b5-bfeb-4a5c-8c53-68c5a65f2576/bin/ukojak-verify-EEHR8qb7sm --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 531c6232318ca14fed66fc5efcd9c390e3e7ee576e67472e752cd873da255181 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:47:45,334 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:47:45,478 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ad53b5-bfeb-4a5c-8c53-68c5a65f2576/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 16:47:45,507 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:47:45,508 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:47:45,508 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:47:45,508 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:47:45,509 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:47:45,509 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:47:45,509 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:47:45,509 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:47:45,509 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:47:45,509 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:47:45,510 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:47:45,510 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:47:45,510 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:47:45,510 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:47:45,510 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:47:45,510 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:47:45,510 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:47:45,511 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:47:45,511 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:47:45,511 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:47:45,511 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:47:45,511 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 16:47:45,511 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:47:45,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:47:45,512 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:47:45,512 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:47:45,512 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:47:45,512 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 16:47:45,512 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:47:45,512 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 16:47:45,513 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_c8ad53b5-bfeb-4a5c-8c53-68c5a65f2576/bin/ukojak-verify-EEHR8qb7sm 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 -> 531c6232318ca14fed66fc5efcd9c390e3e7ee576e67472e752cd873da255181 [2024-11-13 16:47:45,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:47:45,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:47:45,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:47:45,827 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:47:45,828 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:47:45,829 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ad53b5-bfeb-4a5c-8c53-68c5a65f2576/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 16:47:47,729 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:47:48,133 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:47:48,134 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ad53b5-bfeb-4a5c-8c53-68c5a65f2576/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-back-serstep.c [2024-11-13 16:47:48,157 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ad53b5-bfeb-4a5c-8c53-68c5a65f2576/bin/ukojak-verify-EEHR8qb7sm/data/2542c0967/40bc317599db4031a4eafc3137eccc3f/FLAG061b9ffbb [2024-11-13 16:47:48,172 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ad53b5-bfeb-4a5c-8c53-68c5a65f2576/bin/ukojak-verify-EEHR8qb7sm/data/2542c0967/40bc317599db4031a4eafc3137eccc3f [2024-11-13 16:47:48,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:47:48,176 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:47:48,177 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:47:48,177 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:47:48,183 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:47:48,184 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:47:48" (1/1) ... [2024-11-13 16:47:48,185 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20223f2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:48, skipping insertion in model container [2024-11-13 16:47:48,186 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:47:48" (1/1) ... [2024-11-13 16:47:48,282 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:47:48,508 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_c8ad53b5-bfeb-4a5c-8c53-68c5a65f2576/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-back-serstep.c[1176,1189] [2024-11-13 16:47:49,036 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:47:49,050 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:47:49,063 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_c8ad53b5-bfeb-4a5c-8c53-68c5a65f2576/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-back-serstep.c[1176,1189] [2024-11-13 16:47:49,293 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:47:49,309 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:47:49,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:49 WrapperNode [2024-11-13 16:47:49,310 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:47:49,326 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:47:49,326 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:47:49,326 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:47:49,334 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:49" (1/1) ... [2024-11-13 16:47:49,390 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:49" (1/1) ... [2024-11-13 16:47:49,557 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2550 [2024-11-13 16:47:49,559 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:47:49,559 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:47:49,560 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:47:49,560 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:47:49,568 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:49" (1/1) ... [2024-11-13 16:47:49,568 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:49" (1/1) ... [2024-11-13 16:47:49,594 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:49" (1/1) ... [2024-11-13 16:47:49,594 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:49" (1/1) ... [2024-11-13 16:47:49,702 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:49" (1/1) ... [2024-11-13 16:47:49,725 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:49" (1/1) ... [2024-11-13 16:47:49,740 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:49" (1/1) ... [2024-11-13 16:47:49,755 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:49" (1/1) ... [2024-11-13 16:47:49,786 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:47:49,788 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:47:49,790 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:47:49,790 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:47:49,791 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:49" (1/1) ... [2024-11-13 16:47:49,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:47:49,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ad53b5-bfeb-4a5c-8c53-68c5a65f2576/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:47:49,828 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ad53b5-bfeb-4a5c-8c53-68c5a65f2576/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:47:49,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ad53b5-bfeb-4a5c-8c53-68c5a65f2576/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:47:49,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:47:49,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 16:47:49,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:47:49,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:47:50,494 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:47:50,496 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:47:55,190 INFO L? ?]: Removed 271 outVars from TransFormulas that were not future-live. [2024-11-13 16:47:55,190 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:47:55,287 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:47:55,287 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:47:55,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:47:55 BoogieIcfgContainer [2024-11-13 16:47:55,288 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:47:55,289 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:47:55,289 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:47:55,298 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:47:55,298 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:47:55" (1/1) ... [2024-11-13 16:47:55,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:47:55,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:55,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 16:47:55,360 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 16:47:55,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 16:47:55,362 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:55,364 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:47:55,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ad53b5-bfeb-4a5c-8c53-68c5a65f2576/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:47:55,366 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ad53b5-bfeb-4a5c-8c53-68c5a65f2576/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:47:55,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ad53b5-bfeb-4a5c-8c53-68c5a65f2576/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 16:47:56,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:56,304 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:47:56,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:56,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 16:47:56,602 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:47:56,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:47:56,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ad53b5-bfeb-4a5c-8c53-68c5a65f2576/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 16:47:57,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:57,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 16:47:57,116 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 16:47:57,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:47:57,117 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:57,118 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:47:57,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ad53b5-bfeb-4a5c-8c53-68c5a65f2576/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:47:57,123 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ad53b5-bfeb-4a5c-8c53-68c5a65f2576/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:47:57,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ad53b5-bfeb-4a5c-8c53-68c5a65f2576/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 16:47:58,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:58,981 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:47:59,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:59,573 INFO L255 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 97 conjuncts are in the unsatisfiable core [2024-11-13 16:47:59,615 INFO L278 TraceCheckSpWp]: Computing forward predicates...