./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.2.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9de229b-0dcf-4b7c-861f-7abdfa7bd30a/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9de229b-0dcf-4b7c-861f-7abdfa7bd30a/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9de229b-0dcf-4b7c-861f-7abdfa7bd30a/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9de229b-0dcf-4b7c-861f-7abdfa7bd30a/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.2.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9de229b-0dcf-4b7c-861f-7abdfa7bd30a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9de229b-0dcf-4b7c-861f-7abdfa7bd30a/bin/ukojak-verify-ENZ3QT5qd3 --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 aad5623456daa07bda3e9ba109e23337f36649e6d14b8d8d7a89f4b64dcabecb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:02:29,058 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:02:29,119 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9de229b-0dcf-4b7c-861f-7abdfa7bd30a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 03:02:29,124 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:02:29,124 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:02:29,147 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:02:29,147 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:02:29,148 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:02:29,148 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:02:29,148 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:02:29,148 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:02:29,149 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:02:29,149 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:02:29,149 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:02:29,149 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:02:29,149 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:02:29,149 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:02:29,149 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:02:29,150 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:02:29,150 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:02:29,150 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:02:29,150 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:02:29,150 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:02:29,150 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:02:29,151 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:02:29,151 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:02:29,151 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:02:29,151 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:02:29,151 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:02:29,151 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:02:29,152 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_d9de229b-0dcf-4b7c-861f-7abdfa7bd30a/bin/ukojak-verify-ENZ3QT5qd3 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 -> aad5623456daa07bda3e9ba109e23337f36649e6d14b8d8d7a89f4b64dcabecb [2024-11-25 03:02:29,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:02:29,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:02:29,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:02:29,440 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:02:29,440 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:02:29,441 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9de229b-0dcf-4b7c-861f-7abdfa7bd30a/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.2.prop1-func-interl.c [2024-11-25 03:02:32,355 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9de229b-0dcf-4b7c-861f-7abdfa7bd30a/bin/ukojak-verify-ENZ3QT5qd3/data/177370a88/c807a6e05e1146c4abf6f8480423e63e/FLAGc463881b0 [2024-11-25 03:02:32,961 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:02:32,962 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9de229b-0dcf-4b7c-861f-7abdfa7bd30a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.2.prop1-func-interl.c [2024-11-25 03:02:32,996 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9de229b-0dcf-4b7c-861f-7abdfa7bd30a/bin/ukojak-verify-ENZ3QT5qd3/data/177370a88/c807a6e05e1146c4abf6f8480423e63e/FLAGc463881b0 [2024-11-25 03:02:33,016 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9de229b-0dcf-4b7c-861f-7abdfa7bd30a/bin/ukojak-verify-ENZ3QT5qd3/data/177370a88/c807a6e05e1146c4abf6f8480423e63e [2024-11-25 03:02:33,019 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:02:33,021 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:02:33,023 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:02:33,024 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:02:33,029 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:02:33,030 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:02:33" (1/1) ... [2024-11-25 03:02:33,033 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7391a4d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:33, skipping insertion in model container [2024-11-25 03:02:33,033 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:02:33" (1/1) ... [2024-11-25 03:02:33,122 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:02:33,387 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_d9de229b-0dcf-4b7c-861f-7abdfa7bd30a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.2.prop1-func-interl.c[1170,1183] [2024-11-25 03:02:33,953 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:02:33,965 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:02:33,975 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_d9de229b-0dcf-4b7c-861f-7abdfa7bd30a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.2.prop1-func-interl.c[1170,1183] [2024-11-25 03:02:34,312 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:02:34,328 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:02:34,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:34 WrapperNode [2024-11-25 03:02:34,330 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:02:34,331 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:02:34,332 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:02:34,332 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:02:34,346 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:34" (1/1) ... [2024-11-25 03:02:34,438 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:34" (1/1) ... [2024-11-25 03:02:35,470 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 8231 [2024-11-25 03:02:35,470 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:02:35,472 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:02:35,472 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:02:35,472 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:02:35,482 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:34" (1/1) ... [2024-11-25 03:02:35,482 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:34" (1/1) ... [2024-11-25 03:02:35,721 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:34" (1/1) ... [2024-11-25 03:02:35,722 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:34" (1/1) ... [2024-11-25 03:02:36,008 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:34" (1/1) ... [2024-11-25 03:02:36,042 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:34" (1/1) ... [2024-11-25 03:02:36,107 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:34" (1/1) ... [2024-11-25 03:02:36,177 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:34" (1/1) ... [2024-11-25 03:02:36,216 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:34" (1/1) ... [2024-11-25 03:02:36,375 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:02:36,377 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:02:36,377 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:02:36,378 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:02:36,379 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:34" (1/1) ... [2024-11-25 03:02:36,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:02:36,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9de229b-0dcf-4b7c-861f-7abdfa7bd30a/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:02:36,419 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9de229b-0dcf-4b7c-861f-7abdfa7bd30a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:02:36,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9de229b-0dcf-4b7c-861f-7abdfa7bd30a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:02:36,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:02:36,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:02:36,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:02:36,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:02:37,241 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:02:37,243 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:02:49,336 INFO L? ?]: Removed 4560 outVars from TransFormulas that were not future-live. [2024-11-25 03:02:49,337 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:03:04,638 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:03:04,639 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:03:04,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:03:04 BoogieIcfgContainer [2024-11-25 03:03:04,639 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:03:04,640 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:03:04,640 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:03:04,649 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:03:04,649 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:03:04" (1/1) ... [2024-11-25 03:03:04,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:03:04,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:03:04,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 03:03:04,708 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 03:03:04,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:03:04,710 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:03:04,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:03:05,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:03:06,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:03:16,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.40s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:03:26,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:03:27,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:03:27,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-25 03:03:27,193 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-25 03:03:27,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:03:27,193 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:03:27,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:04:56,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:04:56,948 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:06:20,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:06:32,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:06:33,012 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) [2024-11-25 03:06:33,017 INFO L158 Benchmark]: Toolchain (without parser) took 239995.93ms. Allocated memory was 167.8MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 126.7MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 691.2MB. Max. memory is 16.1GB. [2024-11-25 03:06:33,017 INFO L158 Benchmark]: CDTParser took 1.46ms. Allocated memory is still 167.8MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:06:33,017 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1307.88ms. Allocated memory was 167.8MB in the beginning and 503.3MB in the end (delta: 335.5MB). Free memory was 126.7MB in the beginning and 425.7MB in the end (delta: -299.0MB). Peak memory consumption was 111.1MB. Max. memory is 16.1GB. [2024-11-25 03:06:33,018 INFO L158 Benchmark]: Boogie Procedure Inliner took 1138.99ms. Allocated memory is still 503.3MB. Free memory was 425.7MB in the beginning and 306.3MB in the end (delta: 119.4MB). Peak memory consumption was 215.2MB. Max. memory is 16.1GB. [2024-11-25 03:06:33,019 INFO L158 Benchmark]: Boogie Preprocessor took 903.53ms. Allocated memory was 503.3MB in the beginning and 1.5GB in the end (delta: 1.0GB). Free memory was 306.3MB in the beginning and 1.3GB in the end (delta: -943.8MB). Peak memory consumption was 75.0MB. Max. memory is 16.1GB. [2024-11-25 03:06:33,020 INFO L158 Benchmark]: RCFGBuilder took 28262.67ms. Allocated memory was 1.5GB in the beginning and 5.6GB in the end (delta: 4.1GB). Free memory was 1.2GB in the beginning and 4.6GB in the end (delta: -3.4GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. [2024-11-25 03:06:33,020 INFO L158 Benchmark]: CodeCheck took 208375.66ms. Allocated memory was 5.6GB in the beginning and 2.4GB in the end (delta: -3.2GB). Free memory was 4.6GB in the beginning and 1.7GB in the end (delta: 2.9GB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:06:33,023 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 1.46ms. Allocated memory is still 167.8MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1307.88ms. Allocated memory was 167.8MB in the beginning and 503.3MB in the end (delta: 335.5MB). Free memory was 126.7MB in the beginning and 425.7MB in the end (delta: -299.0MB). Peak memory consumption was 111.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1138.99ms. Allocated memory is still 503.3MB. Free memory was 425.7MB in the beginning and 306.3MB in the end (delta: 119.4MB). Peak memory consumption was 215.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 903.53ms. Allocated memory was 503.3MB in the beginning and 1.5GB in the end (delta: 1.0GB). Free memory was 306.3MB in the beginning and 1.3GB in the end (delta: -943.8MB). Peak memory consumption was 75.0MB. Max. memory is 16.1GB. * RCFGBuilder took 28262.67ms. Allocated memory was 1.5GB in the beginning and 5.6GB in the end (delta: 4.1GB). Free memory was 1.2GB in the beginning and 4.6GB in the end (delta: -3.4GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. * CodeCheck took 208375.66ms. Allocated memory was 5.6GB in the beginning and 2.4GB in the end (delta: -3.2GB). Free memory was 4.6GB in the beginning and 1.7GB in the end (delta: 2.9GB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 03:06:33,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9de229b-0dcf-4b7c-861f-7abdfa7bd30a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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_d9de229b-0dcf-4b7c-861f-7abdfa7bd30a/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9de229b-0dcf-4b7c-861f-7abdfa7bd30a/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9de229b-0dcf-4b7c-861f-7abdfa7bd30a/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9de229b-0dcf-4b7c-861f-7abdfa7bd30a/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.2.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9de229b-0dcf-4b7c-861f-7abdfa7bd30a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9de229b-0dcf-4b7c-861f-7abdfa7bd30a/bin/ukojak-verify-ENZ3QT5qd3 --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 aad5623456daa07bda3e9ba109e23337f36649e6d14b8d8d7a89f4b64dcabecb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:06:35,592 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:06:35,694 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9de229b-0dcf-4b7c-861f-7abdfa7bd30a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-25 03:06:35,742 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:06:35,743 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:06:35,744 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:06:35,744 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:06:35,744 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:06:35,745 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:06:35,745 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:06:35,746 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:06:35,746 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:06:35,746 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:06:35,747 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:06:35,747 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:06:35,747 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:06:35,747 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:06:35,747 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:06:35,747 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:06:35,747 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:06:35,747 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:06:35,747 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:06:35,747 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:06:35,748 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:06:35,748 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:06:35,748 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:06:35,748 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:06:35,748 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:06:35,748 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:06:35,748 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:06:35,748 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:06:35,748 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:06:35,748 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:06:35,749 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_d9de229b-0dcf-4b7c-861f-7abdfa7bd30a/bin/ukojak-verify-ENZ3QT5qd3 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 -> aad5623456daa07bda3e9ba109e23337f36649e6d14b8d8d7a89f4b64dcabecb [2024-11-25 03:06:36,074 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:06:36,082 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:06:36,084 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:06:36,085 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:06:36,086 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:06:36,087 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9de229b-0dcf-4b7c-861f-7abdfa7bd30a/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.2.prop1-func-interl.c [2024-11-25 03:06:39,168 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9de229b-0dcf-4b7c-861f-7abdfa7bd30a/bin/ukojak-verify-ENZ3QT5qd3/data/0cf84de50/d714bd49f9c04429922c207aacecdf23/FLAG93a69dc5d [2024-11-25 03:06:39,599 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:06:39,600 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9de229b-0dcf-4b7c-861f-7abdfa7bd30a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.2.prop1-func-interl.c [2024-11-25 03:06:39,617 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9de229b-0dcf-4b7c-861f-7abdfa7bd30a/bin/ukojak-verify-ENZ3QT5qd3/data/0cf84de50/d714bd49f9c04429922c207aacecdf23/FLAG93a69dc5d [2024-11-25 03:06:39,640 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9de229b-0dcf-4b7c-861f-7abdfa7bd30a/bin/ukojak-verify-ENZ3QT5qd3/data/0cf84de50/d714bd49f9c04429922c207aacecdf23 [2024-11-25 03:06:39,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:06:39,645 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:06:39,647 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:06:39,647 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:06:39,652 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:06:39,653 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:06:39" (1/1) ... [2024-11-25 03:06:39,654 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f0aff85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:39, skipping insertion in model container [2024-11-25 03:06:39,655 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:06:39" (1/1) ... [2024-11-25 03:06:39,729 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:06:39,967 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_d9de229b-0dcf-4b7c-861f-7abdfa7bd30a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.2.prop1-func-interl.c[1170,1183] [2024-11-25 03:06:40,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:06:40,450 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:06:40,461 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_d9de229b-0dcf-4b7c-861f-7abdfa7bd30a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.2.prop1-func-interl.c[1170,1183] [2024-11-25 03:06:40,706 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:06:40,721 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:06:40,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:40 WrapperNode [2024-11-25 03:06:40,722 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:06:40,723 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:06:40,723 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:06:40,724 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:06:40,733 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:40" (1/1) ... [2024-11-25 03:06:40,790 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:40" (1/1) ... [2024-11-25 03:06:40,950 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2359 [2024-11-25 03:06:40,951 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:06:40,952 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:06:40,952 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:06:40,952 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:06:40,959 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:40" (1/1) ... [2024-11-25 03:06:40,960 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:40" (1/1) ... [2024-11-25 03:06:40,985 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:40" (1/1) ... [2024-11-25 03:06:40,989 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:40" (1/1) ... [2024-11-25 03:06:41,064 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:40" (1/1) ... [2024-11-25 03:06:41,069 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:40" (1/1) ... [2024-11-25 03:06:41,074 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:40" (1/1) ... [2024-11-25 03:06:41,093 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:40" (1/1) ... [2024-11-25 03:06:41,111 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:40" (1/1) ... [2024-11-25 03:06:41,189 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:06:41,190 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:06:41,191 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:06:41,191 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:06:41,193 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:40" (1/1) ... [2024-11-25 03:06:41,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:06:41,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9de229b-0dcf-4b7c-861f-7abdfa7bd30a/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:06:41,231 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9de229b-0dcf-4b7c-861f-7abdfa7bd30a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:06:41,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9de229b-0dcf-4b7c-861f-7abdfa7bd30a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:06:41,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:06:41,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 03:06:41,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:06:41,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:06:41,796 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:06:41,798 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:06:44,862 INFO L? ?]: Removed 89 outVars from TransFormulas that were not future-live. [2024-11-25 03:06:44,862 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:06:44,964 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:06:44,964 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:06:44,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:06:44 BoogieIcfgContainer [2024-11-25 03:06:44,964 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:06:44,965 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:06:44,966 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:06:44,976 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:06:44,976 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:06:44" (1/1) ... [2024-11-25 03:06:44,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:06:45,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:45,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 03:06:45,040 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 03:06:45,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:06:45,042 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:45,043 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:06:45,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9de229b-0dcf-4b7c-861f-7abdfa7bd30a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:06:45,046 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9de229b-0dcf-4b7c-861f-7abdfa7bd30a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:06:45,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9de229b-0dcf-4b7c-861f-7abdfa7bd30a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:06:45,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:45,872 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:06:46,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:46,063 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 03:06:46,073 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:06:46,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:06:46,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9de229b-0dcf-4b7c-861f-7abdfa7bd30a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-25 03:06:46,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:46,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-25 03:06:46,419 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-25 03:06:46,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:06:46,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:46,419 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:06:46,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9de229b-0dcf-4b7c-861f-7abdfa7bd30a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:06:46,422 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9de229b-0dcf-4b7c-861f-7abdfa7bd30a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:06:46,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9de229b-0dcf-4b7c-861f-7abdfa7bd30a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 03:06:47,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:47,647 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:06:48,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:48,043 INFO L256 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 03:06:48,067 INFO L279 TraceCheckSpWp]: Computing forward predicates...