./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.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_2912472e-036d-40ec-9030-5bbd83b3e0e3/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2912472e-036d-40ec-9030-5bbd83b3e0e3/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_2912472e-036d-40ec-9030-5bbd83b3e0e3/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2912472e-036d-40ec-9030-5bbd83b3e0e3/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2912472e-036d-40ec-9030-5bbd83b3e0e3/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_2912472e-036d-40ec-9030-5bbd83b3e0e3/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 2e2d9d2edf7ef9ac8635f9a307425f0db3fcdf30b6f3620ad75a928e7dc256e0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:41:07,317 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:41:07,418 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2912472e-036d-40ec-9030-5bbd83b3e0e3/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 21:41:07,426 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:41:07,430 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:41:07,462 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:41:07,464 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:41:07,465 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:41:07,465 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:41:07,466 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:41:07,466 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:41:07,466 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:41:07,466 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:41:07,466 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:41:07,467 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:41:07,467 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:41:07,468 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:41:07,468 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:41:07,468 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:41:07,469 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:41:07,469 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:41:07,469 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:41:07,469 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:41:07,469 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:41:07,469 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:41:07,469 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:41:07,470 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:41:07,470 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:41:07,470 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:41:07,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:41:07,470 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_2912472e-036d-40ec-9030-5bbd83b3e0e3/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 -> 2e2d9d2edf7ef9ac8635f9a307425f0db3fcdf30b6f3620ad75a928e7dc256e0 [2024-11-13 21:41:07,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:41:07,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:41:07,832 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:41:07,834 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:41:07,834 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:41:07,835 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2912472e-036d-40ec-9030-5bbd83b3e0e3/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 21:41:09,786 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:41:10,183 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:41:10,185 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2912472e-036d-40ec-9030-5bbd83b3e0e3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-back-serstep.c [2024-11-13 21:41:10,199 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2912472e-036d-40ec-9030-5bbd83b3e0e3/bin/ukojak-verify-EEHR8qb7sm/data/b23498971/d3ad2c3bf2a74daa851c27ef039c2442/FLAG5ed6b599c [2024-11-13 21:41:10,215 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2912472e-036d-40ec-9030-5bbd83b3e0e3/bin/ukojak-verify-EEHR8qb7sm/data/b23498971/d3ad2c3bf2a74daa851c27ef039c2442 [2024-11-13 21:41:10,217 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:41:10,218 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:41:10,220 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:41:10,220 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:41:10,224 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:41:10,225 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:41:10" (1/1) ... [2024-11-13 21:41:10,226 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51182e2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:10, skipping insertion in model container [2024-11-13 21:41:10,226 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:41:10" (1/1) ... [2024-11-13 21:41:10,275 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:41:10,500 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_2912472e-036d-40ec-9030-5bbd83b3e0e3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-back-serstep.c[1177,1190] [2024-11-13 21:41:10,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:41:10,908 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:41:10,915 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_2912472e-036d-40ec-9030-5bbd83b3e0e3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-back-serstep.c[1177,1190] [2024-11-13 21:41:11,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:41:11,126 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:41:11,127 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:11 WrapperNode [2024-11-13 21:41:11,128 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:41:11,129 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:41:11,129 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:41:11,129 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:41:11,134 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:11" (1/1) ... [2024-11-13 21:41:11,179 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:11" (1/1) ... [2024-11-13 21:41:11,857 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4067 [2024-11-13 21:41:11,857 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:41:11,858 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:41:11,858 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:41:11,858 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:41:11,866 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:11" (1/1) ... [2024-11-13 21:41:11,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:11" (1/1) ... [2024-11-13 21:41:12,006 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:11" (1/1) ... [2024-11-13 21:41:12,006 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:11" (1/1) ... [2024-11-13 21:41:12,247 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:11" (1/1) ... [2024-11-13 21:41:12,313 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:11" (1/1) ... [2024-11-13 21:41:12,341 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:11" (1/1) ... [2024-11-13 21:41:12,364 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:11" (1/1) ... [2024-11-13 21:41:12,428 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:41:12,430 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:41:12,431 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:41:12,431 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:41:12,432 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:11" (1/1) ... [2024-11-13 21:41:12,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:41:12,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2912472e-036d-40ec-9030-5bbd83b3e0e3/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:41:12,471 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2912472e-036d-40ec-9030-5bbd83b3e0e3/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:41:12,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2912472e-036d-40ec-9030-5bbd83b3e0e3/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:41:12,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:41:12,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:41:12,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:41:12,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:41:12,973 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:41:12,975 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:41:19,346 INFO L? ?]: Removed 2176 outVars from TransFormulas that were not future-live. [2024-11-13 21:41:19,346 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:41:26,479 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:41:26,479 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:41:26,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:41:26 BoogieIcfgContainer [2024-11-13 21:41:26,480 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:41:26,485 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:41:26,485 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:41:26,506 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:41:26,506 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:41:26" (1/1) ... [2024-11-13 21:41:26,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:41:26,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:41:26,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 21:41:26,607 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 21:41:26,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:41:26,609 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:41:26,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:41:28,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:41:30,553 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 21:41:40,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:41:50,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:42:03,105 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 21:42:03,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:03,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 21:42:03,152 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 21:42:03,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:42:03,152 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:03,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:42:37,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:42:37,608 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:43:02,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:43:13,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:43:13,651 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 21:43:13,660 INFO L158 Benchmark]: Toolchain (without parser) took 123437.50ms. Allocated memory was 117.4MB in the beginning and 2.1GB in the end (delta: 2.0GB). Free memory was 90.6MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 588.8MB. Max. memory is 16.1GB. [2024-11-13 21:43:13,660 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:43:13,661 INFO L158 Benchmark]: CACSL2BoogieTranslator took 908.44ms. Allocated memory is still 117.4MB. Free memory was 90.4MB in the beginning and 77.4MB in the end (delta: 13.0MB). Peak memory consumption was 76.9MB. Max. memory is 16.1GB. [2024-11-13 21:43:13,661 INFO L158 Benchmark]: Boogie Procedure Inliner took 728.57ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 77.4MB in the beginning and 141.4MB in the end (delta: -64.0MB). Peak memory consumption was 69.8MB. Max. memory is 16.1GB. [2024-11-13 21:43:13,662 INFO L158 Benchmark]: Boogie Preprocessor took 570.70ms. Allocated memory is still 251.7MB. Free memory was 141.4MB in the beginning and 128.8MB in the end (delta: 12.6MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. [2024-11-13 21:43:13,666 INFO L158 Benchmark]: RCFGBuilder took 14053.96ms. Allocated memory was 251.7MB in the beginning and 1.3GB in the end (delta: 1.0GB). Free memory was 128.7MB in the beginning and 1.1GB in the end (delta: -934.1MB). Peak memory consumption was 528.7MB. Max. memory is 16.1GB. [2024-11-13 21:43:13,667 INFO L158 Benchmark]: CodeCheck took 107170.16ms. Allocated memory was 1.3GB in the beginning and 2.1GB in the end (delta: 796.9MB). Free memory was 1.1GB in the beginning and 1.5GB in the end (delta: -406.2MB). Peak memory consumption was 393.3MB. Max. memory is 16.1GB. [2024-11-13 21:43:13,670 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 0.40ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 908.44ms. Allocated memory is still 117.4MB. Free memory was 90.4MB in the beginning and 77.4MB in the end (delta: 13.0MB). Peak memory consumption was 76.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 728.57ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 77.4MB in the beginning and 141.4MB in the end (delta: -64.0MB). Peak memory consumption was 69.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 570.70ms. Allocated memory is still 251.7MB. Free memory was 141.4MB in the beginning and 128.8MB in the end (delta: 12.6MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. * RCFGBuilder took 14053.96ms. Allocated memory was 251.7MB in the beginning and 1.3GB in the end (delta: 1.0GB). Free memory was 128.7MB in the beginning and 1.1GB in the end (delta: -934.1MB). Peak memory consumption was 528.7MB. Max. memory is 16.1GB. * CodeCheck took 107170.16ms. Allocated memory was 1.3GB in the beginning and 2.1GB in the end (delta: 796.9MB). Free memory was 1.1GB in the beginning and 1.5GB in the end (delta: -406.2MB). Peak memory consumption was 393.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 21:43:13,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2912472e-036d-40ec-9030-5bbd83b3e0e3/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_2912472e-036d-40ec-9030-5bbd83b3e0e3/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2912472e-036d-40ec-9030-5bbd83b3e0e3/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_2912472e-036d-40ec-9030-5bbd83b3e0e3/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2912472e-036d-40ec-9030-5bbd83b3e0e3/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2912472e-036d-40ec-9030-5bbd83b3e0e3/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_2912472e-036d-40ec-9030-5bbd83b3e0e3/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 2e2d9d2edf7ef9ac8635f9a307425f0db3fcdf30b6f3620ad75a928e7dc256e0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:43:16,522 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:43:16,664 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2912472e-036d-40ec-9030-5bbd83b3e0e3/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 21:43:16,700 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:43:16,701 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:43:16,701 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:43:16,701 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:43:16,701 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:43:16,702 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:43:16,702 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:43:16,702 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:43:16,702 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:43:16,702 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:43:16,703 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:43:16,703 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:43:16,703 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:43:16,703 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:43:16,703 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:43:16,703 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:43:16,703 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:43:16,703 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:43:16,703 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:43:16,704 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:43:16,704 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:43:16,704 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:43:16,704 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:43:16,704 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:43:16,704 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:43:16,704 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:43:16,704 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:43:16,704 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:43:16,705 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:43:16,705 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:43:16,705 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_2912472e-036d-40ec-9030-5bbd83b3e0e3/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 -> 2e2d9d2edf7ef9ac8635f9a307425f0db3fcdf30b6f3620ad75a928e7dc256e0 [2024-11-13 21:43:17,042 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:43:17,053 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:43:17,056 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:43:17,060 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:43:17,061 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:43:17,062 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2912472e-036d-40ec-9030-5bbd83b3e0e3/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 21:43:19,007 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:43:19,286 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:43:19,287 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2912472e-036d-40ec-9030-5bbd83b3e0e3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-back-serstep.c [2024-11-13 21:43:19,301 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2912472e-036d-40ec-9030-5bbd83b3e0e3/bin/ukojak-verify-EEHR8qb7sm/data/76170b047/f228301f37b34b019e1261664c5ae3a8/FLAG9e598a1d3 [2024-11-13 21:43:19,317 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2912472e-036d-40ec-9030-5bbd83b3e0e3/bin/ukojak-verify-EEHR8qb7sm/data/76170b047/f228301f37b34b019e1261664c5ae3a8 [2024-11-13 21:43:19,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:43:19,322 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:43:19,323 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:43:19,323 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:43:19,329 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:43:19,330 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:43:19" (1/1) ... [2024-11-13 21:43:19,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b6cdf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:19, skipping insertion in model container [2024-11-13 21:43:19,331 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:43:19" (1/1) ... [2024-11-13 21:43:19,410 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:43:19,664 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_2912472e-036d-40ec-9030-5bbd83b3e0e3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-back-serstep.c[1177,1190] [2024-11-13 21:43:20,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:43:20,057 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:43:20,073 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_2912472e-036d-40ec-9030-5bbd83b3e0e3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-back-serstep.c[1177,1190] [2024-11-13 21:43:20,250 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:43:20,267 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:43:20,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:20 WrapperNode [2024-11-13 21:43:20,268 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:43:20,269 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:43:20,269 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:43:20,269 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:43:20,276 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:20" (1/1) ... [2024-11-13 21:43:20,301 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:20" (1/1) ... [2024-11-13 21:43:20,391 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1267 [2024-11-13 21:43:20,391 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:43:20,392 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:43:20,392 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:43:20,392 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:43:20,400 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:20" (1/1) ... [2024-11-13 21:43:20,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:20" (1/1) ... [2024-11-13 21:43:20,411 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:20" (1/1) ... [2024-11-13 21:43:20,411 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:20" (1/1) ... [2024-11-13 21:43:20,442 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:20" (1/1) ... [2024-11-13 21:43:20,447 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:20" (1/1) ... [2024-11-13 21:43:20,452 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:20" (1/1) ... [2024-11-13 21:43:20,457 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:20" (1/1) ... [2024-11-13 21:43:20,467 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:43:20,468 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:43:20,468 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:43:20,468 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:43:20,469 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:20" (1/1) ... [2024-11-13 21:43:20,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:43:20,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2912472e-036d-40ec-9030-5bbd83b3e0e3/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:43:20,510 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2912472e-036d-40ec-9030-5bbd83b3e0e3/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:43:20,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2912472e-036d-40ec-9030-5bbd83b3e0e3/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:43:20,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:43:20,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:43:20,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:43:20,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:43:20,995 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:43:20,997 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:43:22,957 INFO L? ?]: Removed 169 outVars from TransFormulas that were not future-live. [2024-11-13 21:43:22,958 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:43:23,042 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:43:23,043 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:43:23,044 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:43:23 BoogieIcfgContainer [2024-11-13 21:43:23,044 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:43:23,045 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:43:23,045 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:43:23,056 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:43:23,056 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:43:23" (1/1) ... [2024-11-13 21:43:23,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:43:23,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:43:23,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 21:43:23,127 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 21:43:23,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:43:23,130 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:43:23,131 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:43:23,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2912472e-036d-40ec-9030-5bbd83b3e0e3/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:43:23,136 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2912472e-036d-40ec-9030-5bbd83b3e0e3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:43:23,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2912472e-036d-40ec-9030-5bbd83b3e0e3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:43:23,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:23,792 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:43:23,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:24,004 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 21:43:24,014 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:43:24,148 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 21:43:24,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2912472e-036d-40ec-9030-5bbd83b3e0e3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:43:24,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:43:24,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 21:43:24,377 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 21:43:24,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:43:24,378 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:43:24,379 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:43:24,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2912472e-036d-40ec-9030-5bbd83b3e0e3/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:43:24,384 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2912472e-036d-40ec-9030-5bbd83b3e0e3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:43:24,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2912472e-036d-40ec-9030-5bbd83b3e0e3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:43:25,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:25,353 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:43:25,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:25,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-13 21:43:25,780 INFO L278 TraceCheckSpWp]: Computing forward predicates...