./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.blocks.2.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_10aed724-2288-45ed-8017-b6940118869a/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10aed724-2288-45ed-8017-b6940118869a/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_10aed724-2288-45ed-8017-b6940118869a/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10aed724-2288-45ed-8017-b6940118869a/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.blocks.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10aed724-2288-45ed-8017-b6940118869a/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_10aed724-2288-45ed-8017-b6940118869a/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 910053966829413301ad38c19b53ab3e8d14b6c38695934fe145e036ec55306d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:49:29,359 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:49:29,424 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10aed724-2288-45ed-8017-b6940118869a/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 16:49:29,429 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:49:29,430 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:49:29,452 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:49:29,452 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:49:29,453 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:49:29,453 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:49:29,453 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:49:29,454 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:49:29,454 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:49:29,454 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:49:29,454 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:49:29,454 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:49:29,454 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:49:29,454 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:49:29,454 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:49:29,454 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:49:29,455 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:49:29,455 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:49:29,455 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:49:29,455 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:49:29,455 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:49:29,455 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:49:29,456 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:49:29,456 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:49:29,456 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:49:29,456 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:49:29,456 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:49:29,456 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_10aed724-2288-45ed-8017-b6940118869a/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 -> 910053966829413301ad38c19b53ab3e8d14b6c38695934fe145e036ec55306d [2024-11-13 16:49:29,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:49:29,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:49:29,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:49:29,816 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:49:29,817 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:49:29,818 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10aed724-2288-45ed-8017-b6940118869a/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.blocks.2.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 16:49:31,844 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:49:32,226 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:49:32,227 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10aed724-2288-45ed-8017-b6940118869a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.blocks.2.prop1-back-serstep.c [2024-11-13 16:49:32,244 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10aed724-2288-45ed-8017-b6940118869a/bin/ukojak-verify-EEHR8qb7sm/data/4a0730f04/0d2c7951bc6148faaf251ac2c0124234/FLAGb5a4fe78c [2024-11-13 16:49:32,263 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10aed724-2288-45ed-8017-b6940118869a/bin/ukojak-verify-EEHR8qb7sm/data/4a0730f04/0d2c7951bc6148faaf251ac2c0124234 [2024-11-13 16:49:32,266 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:49:32,268 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:49:32,269 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:49:32,270 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:49:32,276 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:49:32,277 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:49:32" (1/1) ... [2024-11-13 16:49:32,280 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79bb1de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:32, skipping insertion in model container [2024-11-13 16:49:32,280 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:49:32" (1/1) ... [2024-11-13 16:49:32,390 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:49:32,617 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_10aed724-2288-45ed-8017-b6940118869a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.blocks.2.prop1-back-serstep.c[1174,1187] [2024-11-13 16:49:33,178 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:49:33,189 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:49:33,202 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_10aed724-2288-45ed-8017-b6940118869a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.blocks.2.prop1-back-serstep.c[1174,1187] [2024-11-13 16:49:33,581 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:49:33,596 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:49:33,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:33 WrapperNode [2024-11-13 16:49:33,598 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:49:33,599 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:49:33,599 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:49:33,599 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:49:33,606 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:33" (1/1) ... [2024-11-13 16:49:33,674 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:33" (1/1) ... [2024-11-13 16:49:34,563 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 6208 [2024-11-13 16:49:34,564 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:49:34,566 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:49:34,566 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:49:34,567 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:49:34,575 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:33" (1/1) ... [2024-11-13 16:49:34,575 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:33" (1/1) ... [2024-11-13 16:49:34,831 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:33" (1/1) ... [2024-11-13 16:49:34,832 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:33" (1/1) ... [2024-11-13 16:49:35,374 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:33" (1/1) ... [2024-11-13 16:49:35,450 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:33" (1/1) ... [2024-11-13 16:49:35,585 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:33" (1/1) ... [2024-11-13 16:49:35,619 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:33" (1/1) ... [2024-11-13 16:49:35,814 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:49:35,816 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:49:35,817 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:49:35,817 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:49:35,818 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:33" (1/1) ... [2024-11-13 16:49:35,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:49:35,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10aed724-2288-45ed-8017-b6940118869a/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:49:35,867 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10aed724-2288-45ed-8017-b6940118869a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:49:35,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10aed724-2288-45ed-8017-b6940118869a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:49:35,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:49:35,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:49:35,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:49:35,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:49:36,574 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:49:36,576 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:49:44,641 INFO L? ?]: Removed 3702 outVars from TransFormulas that were not future-live. [2024-11-13 16:49:44,641 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:49:54,279 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:49:54,280 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:49:54,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:49:54 BoogieIcfgContainer [2024-11-13 16:49:54,280 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:49:54,281 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:49:54,281 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:49:54,292 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:49:54,292 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:49:54" (1/1) ... [2024-11-13 16:49:54,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:49:54,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:49:54,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 16:49:54,368 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 16:49:54,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 16:49:54,370 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:49:54,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:49:55,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:49:59,789 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 16:50:10,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:50:20,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:50:25,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.89s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:50:25,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:50:25,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 16:50:25,344 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 16:50:25,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:50:25,345 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:50:25,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:51:37,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:51:37,523 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:53:06,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:53:17,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:53:17,567 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 16:53:17,573 INFO L158 Benchmark]: Toolchain (without parser) took 225304.57ms. Allocated memory was 117.4MB in the beginning and 4.2GB in the end (delta: 4.1GB). Free memory was 89.8MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 2.3GB. Max. memory is 16.1GB. [2024-11-13 16:53:17,574 INFO L158 Benchmark]: CDTParser took 1.85ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 74.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:53:17,574 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1328.90ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 42.0MB in the end (delta: 47.7MB). Peak memory consumption was 84.8MB. Max. memory is 16.1GB. [2024-11-13 16:53:17,575 INFO L158 Benchmark]: Boogie Procedure Inliner took 965.19ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 41.9MB in the beginning and 106.5MB in the end (delta: -64.6MB). Peak memory consumption was 133.2MB. Max. memory is 16.1GB. [2024-11-13 16:53:17,576 INFO L158 Benchmark]: Boogie Preprocessor took 1249.07ms. Allocated memory was 251.7MB in the beginning and 805.3MB in the end (delta: 553.6MB). Free memory was 106.5MB in the beginning and 626.7MB in the end (delta: -520.2MB). Peak memory consumption was 61.6MB. Max. memory is 16.1GB. [2024-11-13 16:53:17,577 INFO L158 Benchmark]: RCFGBuilder took 18464.02ms. Allocated memory was 805.3MB in the beginning and 1.9GB in the end (delta: 1.1GB). Free memory was 626.3MB in the beginning and 1.3GB in the end (delta: -707.8MB). Peak memory consumption was 984.9MB. Max. memory is 16.1GB. [2024-11-13 16:53:17,577 INFO L158 Benchmark]: CodeCheck took 203290.59ms. Allocated memory was 1.9GB in the beginning and 4.2GB in the end (delta: 2.3GB). Free memory was 1.3GB in the beginning and 1.9GB in the end (delta: -564.4MB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. [2024-11-13 16:53:17,581 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 1.85ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 74.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1328.90ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 42.0MB in the end (delta: 47.7MB). Peak memory consumption was 84.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 965.19ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 41.9MB in the beginning and 106.5MB in the end (delta: -64.6MB). Peak memory consumption was 133.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1249.07ms. Allocated memory was 251.7MB in the beginning and 805.3MB in the end (delta: 553.6MB). Free memory was 106.5MB in the beginning and 626.7MB in the end (delta: -520.2MB). Peak memory consumption was 61.6MB. Max. memory is 16.1GB. * RCFGBuilder took 18464.02ms. Allocated memory was 805.3MB in the beginning and 1.9GB in the end (delta: 1.1GB). Free memory was 626.3MB in the beginning and 1.3GB in the end (delta: -707.8MB). Peak memory consumption was 984.9MB. Max. memory is 16.1GB. * CodeCheck took 203290.59ms. Allocated memory was 1.9GB in the beginning and 4.2GB in the end (delta: 2.3GB). Free memory was 1.3GB in the beginning and 1.9GB in the end (delta: -564.4MB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 16:53:17,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10aed724-2288-45ed-8017-b6940118869a/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_10aed724-2288-45ed-8017-b6940118869a/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10aed724-2288-45ed-8017-b6940118869a/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_10aed724-2288-45ed-8017-b6940118869a/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10aed724-2288-45ed-8017-b6940118869a/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.blocks.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10aed724-2288-45ed-8017-b6940118869a/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_10aed724-2288-45ed-8017-b6940118869a/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 910053966829413301ad38c19b53ab3e8d14b6c38695934fe145e036ec55306d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:53:20,779 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:53:20,913 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10aed724-2288-45ed-8017-b6940118869a/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 16:53:20,971 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:53:20,973 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:53:20,973 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:53:20,974 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:53:20,974 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:53:20,974 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:53:20,975 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:53:20,975 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:53:20,975 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:53:20,977 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:53:20,977 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:53:20,977 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:53:20,977 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:53:20,977 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:53:20,978 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:53:20,978 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:53:20,978 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:53:20,978 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:53:20,978 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:53:20,978 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:53:20,979 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:53:20,979 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 16:53:20,979 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:53:20,980 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:53:20,980 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:53:20,980 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:53:20,980 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:53:20,980 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 16:53:20,981 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:53:20,981 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 16:53:20,981 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_10aed724-2288-45ed-8017-b6940118869a/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 -> 910053966829413301ad38c19b53ab3e8d14b6c38695934fe145e036ec55306d [2024-11-13 16:53:21,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:53:21,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:53:21,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:53:21,358 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:53:21,358 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:53:21,360 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10aed724-2288-45ed-8017-b6940118869a/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.blocks.2.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 16:53:23,471 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:53:24,113 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:53:24,116 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10aed724-2288-45ed-8017-b6940118869a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.blocks.2.prop1-back-serstep.c [2024-11-13 16:53:24,155 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10aed724-2288-45ed-8017-b6940118869a/bin/ukojak-verify-EEHR8qb7sm/data/fdeedb08d/2b015f4b2609495da4099b0c2c3a01d8/FLAG4fc469f6e [2024-11-13 16:53:24,185 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10aed724-2288-45ed-8017-b6940118869a/bin/ukojak-verify-EEHR8qb7sm/data/fdeedb08d/2b015f4b2609495da4099b0c2c3a01d8 [2024-11-13 16:53:24,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:53:24,189 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:53:24,193 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:53:24,193 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:53:24,199 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:53:24,200 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:53:24" (1/1) ... [2024-11-13 16:53:24,202 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ab04699 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:24, skipping insertion in model container [2024-11-13 16:53:24,203 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:53:24" (1/1) ... [2024-11-13 16:53:24,322 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:53:24,629 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_10aed724-2288-45ed-8017-b6940118869a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.blocks.2.prop1-back-serstep.c[1174,1187] [2024-11-13 16:53:25,213 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:53:25,228 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:53:25,250 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_10aed724-2288-45ed-8017-b6940118869a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.blocks.2.prop1-back-serstep.c[1174,1187] [2024-11-13 16:53:25,587 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:53:25,615 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:53:25,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:25 WrapperNode [2024-11-13 16:53:25,617 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:53:25,618 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:53:25,618 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:53:25,619 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:53:25,627 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:25" (1/1) ... [2024-11-13 16:53:25,679 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:25" (1/1) ... [2024-11-13 16:53:25,829 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2448 [2024-11-13 16:53:25,833 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:53:25,834 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:53:25,834 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:53:25,837 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:53:25,848 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:25" (1/1) ... [2024-11-13 16:53:25,848 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:25" (1/1) ... [2024-11-13 16:53:25,869 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:25" (1/1) ... [2024-11-13 16:53:25,870 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:25" (1/1) ... [2024-11-13 16:53:26,001 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:25" (1/1) ... [2024-11-13 16:53:26,008 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:25" (1/1) ... [2024-11-13 16:53:26,017 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:25" (1/1) ... [2024-11-13 16:53:26,027 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:25" (1/1) ... [2024-11-13 16:53:26,045 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:53:26,046 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:53:26,047 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:53:26,047 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:53:26,048 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:25" (1/1) ... [2024-11-13 16:53:26,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:53:26,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10aed724-2288-45ed-8017-b6940118869a/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:53:26,108 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10aed724-2288-45ed-8017-b6940118869a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:53:26,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10aed724-2288-45ed-8017-b6940118869a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:53:26,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:53:26,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 16:53:26,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:53:26,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:53:26,885 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:53:26,887 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:53:31,968 INFO L? ?]: Removed 151 outVars from TransFormulas that were not future-live. [2024-11-13 16:53:31,968 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:53:32,083 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:53:32,083 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:53:32,084 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:53:32 BoogieIcfgContainer [2024-11-13 16:53:32,084 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:53:32,085 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:53:32,085 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:53:32,103 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:53:32,103 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:53:32" (1/1) ... [2024-11-13 16:53:32,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:53:32,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:53:32,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 16:53:32,181 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 16:53:32,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 16:53:32,184 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:53:32,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:53:32,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10aed724-2288-45ed-8017-b6940118869a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:53:32,190 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10aed724-2288-45ed-8017-b6940118869a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:53:32,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10aed724-2288-45ed-8017-b6940118869a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 16:53:33,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:33,396 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:53:33,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:33,724 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 16:53:33,739 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:53:33,862 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 16:53:33,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10aed724-2288-45ed-8017-b6940118869a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 16:53:34,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:53:34,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 16:53:34,254 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 16:53:34,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:53:34,254 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:53:34,254 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:53:34,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10aed724-2288-45ed-8017-b6940118869a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:53:34,257 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10aed724-2288-45ed-8017-b6940118869a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:53:34,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10aed724-2288-45ed-8017-b6940118869a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 16:53:36,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:36,222 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:53:36,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:36,830 INFO L255 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-13 16:53:36,870 INFO L278 TraceCheckSpWp]: Computing forward predicates...