./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-func-interl.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_24549f50-e938-4509-8455-4d62ebe5fc8a/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24549f50-e938-4509-8455-4d62ebe5fc8a/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_24549f50-e938-4509-8455-4d62ebe5fc8a/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24549f50-e938-4509-8455-4d62ebe5fc8a/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24549f50-e938-4509-8455-4d62ebe5fc8a/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_24549f50-e938-4509-8455-4d62ebe5fc8a/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 49f2b5018746f423f01dfa37cc63678fae89fe8793b869f3ba4940802558e7f7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:40:30,569 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:40:30,674 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24549f50-e938-4509-8455-4d62ebe5fc8a/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 22:40:30,678 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:40:30,678 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:40:30,718 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:40:30,719 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:40:30,719 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:40:30,721 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:40:30,721 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:40:30,722 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:40:30,723 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:40:30,723 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:40:30,723 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:40:30,723 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:40:30,724 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:40:30,724 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:40:30,724 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:40:30,724 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:40:30,724 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:40:30,724 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:40:30,724 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:40:30,724 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:40:30,725 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:40:30,725 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:40:30,725 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:40:30,725 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:40:30,726 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:40:30,726 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:40:30,726 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:40:30,726 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24549f50-e938-4509-8455-4d62ebe5fc8a/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 -> 49f2b5018746f423f01dfa37cc63678fae89fe8793b869f3ba4940802558e7f7 [2024-11-13 22:40:31,090 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:40:31,103 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:40:31,107 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:40:31,109 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:40:31,109 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:40:31,114 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24549f50-e938-4509-8455-4d62ebe5fc8a/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-func-interl.c Unable to find full path for "g++" [2024-11-13 22:40:33,183 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:40:33,631 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:40:33,632 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24549f50-e938-4509-8455-4d62ebe5fc8a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-func-interl.c [2024-11-13 22:40:33,651 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24549f50-e938-4509-8455-4d62ebe5fc8a/bin/ukojak-verify-EEHR8qb7sm/data/c82fe904b/694ad7529cf84b189a16a01b139eab9d/FLAG2eaec1285 [2024-11-13 22:40:33,672 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24549f50-e938-4509-8455-4d62ebe5fc8a/bin/ukojak-verify-EEHR8qb7sm/data/c82fe904b/694ad7529cf84b189a16a01b139eab9d [2024-11-13 22:40:33,675 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:40:33,681 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:40:33,682 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:40:33,685 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:40:33,692 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:40:33,693 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:40:33" (1/1) ... [2024-11-13 22:40:33,694 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3939259f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:33, skipping insertion in model container [2024-11-13 22:40:33,694 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:40:33" (1/1) ... [2024-11-13 22:40:33,775 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:40:33,987 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_24549f50-e938-4509-8455-4d62ebe5fc8a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-func-interl.c[1174,1187] [2024-11-13 22:40:34,659 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:40:34,670 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:40:34,683 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_24549f50-e938-4509-8455-4d62ebe5fc8a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-func-interl.c[1174,1187] [2024-11-13 22:40:34,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:40:34,989 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:40:34,990 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:34 WrapperNode [2024-11-13 22:40:34,990 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:40:34,991 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:40:34,991 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:40:34,991 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:40:34,998 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:34" (1/1) ... [2024-11-13 22:40:35,136 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:34" (1/1) ... [2024-11-13 22:40:36,336 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 10403 [2024-11-13 22:40:36,337 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:40:36,338 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:40:36,338 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:40:36,338 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:40:36,348 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:34" (1/1) ... [2024-11-13 22:40:36,348 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:34" (1/1) ... [2024-11-13 22:40:36,907 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:34" (1/1) ... [2024-11-13 22:40:36,907 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:34" (1/1) ... [2024-11-13 22:40:37,357 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:34" (1/1) ... [2024-11-13 22:40:37,447 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:34" (1/1) ... [2024-11-13 22:40:37,612 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:34" (1/1) ... [2024-11-13 22:40:37,651 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:34" (1/1) ... [2024-11-13 22:40:37,910 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:40:37,912 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:40:37,912 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:40:37,912 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:40:37,913 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:34" (1/1) ... [2024-11-13 22:40:37,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:40:37,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24549f50-e938-4509-8455-4d62ebe5fc8a/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:40:37,953 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24549f50-e938-4509-8455-4d62ebe5fc8a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:40:37,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24549f50-e938-4509-8455-4d62ebe5fc8a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:40:37,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:40:37,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:40:37,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:40:37,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:40:38,912 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:40:38,915 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:40:56,346 INFO L? ?]: Removed 5604 outVars from TransFormulas that were not future-live. [2024-11-13 22:40:56,346 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:41:18,708 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:41:18,709 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:41:18,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:41:18 BoogieIcfgContainer [2024-11-13 22:41:18,709 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:41:18,710 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:41:18,710 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:41:18,719 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:41:18,720 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:41:18" (1/1) ... [2024-11-13 22:41:18,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:41:18,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:41:18,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 22:41:18,788 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 22:41:18,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:41:18,791 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:41:18,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:41:19,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:41:22,192 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 22:41:32,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.53s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:41:42,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:41:43,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:41:43,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 22:41:43,365 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 22:41:43,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:41:43,365 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:41:43,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:46:06,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:46:17,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:46:17,612 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 22:46:17,621 INFO L158 Benchmark]: Toolchain (without parser) took 343940.86ms. Allocated memory was 117.4MB in the beginning and 5.9GB in the end (delta: 5.8GB). Free memory was 87.7MB in the beginning and 4.7GB in the end (delta: -4.6GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-11-13 22:46:17,625 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 83.9MB. Free memory is still 41.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:46:17,626 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1308.03ms. Allocated memory is still 117.4MB. Free memory was 87.7MB in the beginning and 38.6MB in the end (delta: 49.1MB). Peak memory consumption was 95.6MB. Max. memory is 16.1GB. [2024-11-13 22:46:17,626 INFO L158 Benchmark]: Boogie Procedure Inliner took 1346.50ms. Allocated memory was 117.4MB in the beginning and 780.1MB in the end (delta: 662.7MB). Free memory was 38.6MB in the beginning and 564.6MB in the end (delta: -526.0MB). Peak memory consumption was 182.9MB. Max. memory is 16.1GB. [2024-11-13 22:46:17,627 INFO L158 Benchmark]: Boogie Preprocessor took 1572.59ms. Allocated memory was 780.1MB in the beginning and 671.1MB in the end (delta: -109.1MB). Free memory was 564.6MB in the beginning and 392.6MB in the end (delta: 172.1MB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. [2024-11-13 22:46:17,627 INFO L158 Benchmark]: RCFGBuilder took 40797.39ms. Allocated memory was 671.1MB in the beginning and 2.4GB in the end (delta: 1.7GB). Free memory was 392.6MB in the beginning and 1.5GB in the end (delta: -1.1GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2024-11-13 22:46:17,628 INFO L158 Benchmark]: CodeCheck took 298910.78ms. Allocated memory was 2.4GB in the beginning and 5.9GB in the end (delta: 3.5GB). Free memory was 1.5GB in the beginning and 4.7GB in the end (delta: -3.2GB). Peak memory consumption was 310.0MB. Max. memory is 16.1GB. [2024-11-13 22:46:17,636 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 0.54ms. Allocated memory is still 83.9MB. Free memory is still 41.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1308.03ms. Allocated memory is still 117.4MB. Free memory was 87.7MB in the beginning and 38.6MB in the end (delta: 49.1MB). Peak memory consumption was 95.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1346.50ms. Allocated memory was 117.4MB in the beginning and 780.1MB in the end (delta: 662.7MB). Free memory was 38.6MB in the beginning and 564.6MB in the end (delta: -526.0MB). Peak memory consumption was 182.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1572.59ms. Allocated memory was 780.1MB in the beginning and 671.1MB in the end (delta: -109.1MB). Free memory was 564.6MB in the beginning and 392.6MB in the end (delta: 172.1MB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. * RCFGBuilder took 40797.39ms. Allocated memory was 671.1MB in the beginning and 2.4GB in the end (delta: 1.7GB). Free memory was 392.6MB in the beginning and 1.5GB in the end (delta: -1.1GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. * CodeCheck took 298910.78ms. Allocated memory was 2.4GB in the beginning and 5.9GB in the end (delta: 3.5GB). Free memory was 1.5GB in the beginning and 4.7GB in the end (delta: -3.2GB). Peak memory consumption was 310.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 22:46:17,855 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24549f50-e938-4509-8455-4d62ebe5fc8a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-13 22:46:17,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24549f50-e938-4509-8455-4d62ebe5fc8a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 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_24549f50-e938-4509-8455-4d62ebe5fc8a/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24549f50-e938-4509-8455-4d62ebe5fc8a/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_24549f50-e938-4509-8455-4d62ebe5fc8a/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24549f50-e938-4509-8455-4d62ebe5fc8a/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24549f50-e938-4509-8455-4d62ebe5fc8a/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_24549f50-e938-4509-8455-4d62ebe5fc8a/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 49f2b5018746f423f01dfa37cc63678fae89fe8793b869f3ba4940802558e7f7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:46:20,968 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:46:21,077 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24549f50-e938-4509-8455-4d62ebe5fc8a/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 22:46:21,151 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:46:21,164 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:46:21,165 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:46:21,165 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:46:21,165 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:46:21,165 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:46:21,165 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:46:21,165 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:46:21,166 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:46:21,166 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:46:21,166 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:46:21,166 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:46:21,166 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:46:21,168 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:46:21,168 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:46:21,168 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:46:21,168 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:46:21,169 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:46:21,172 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:46:21,172 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:46:21,172 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:46:21,172 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:46:21,172 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:46:21,172 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:46:21,173 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:46:21,173 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:46:21,173 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:46:21,173 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:46:21,173 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:46:21,173 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:46:21,173 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_24549f50-e938-4509-8455-4d62ebe5fc8a/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 -> 49f2b5018746f423f01dfa37cc63678fae89fe8793b869f3ba4940802558e7f7 [2024-11-13 22:46:21,492 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:46:21,502 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:46:21,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:46:21,506 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:46:21,507 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:46:21,508 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24549f50-e938-4509-8455-4d62ebe5fc8a/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-func-interl.c Unable to find full path for "g++" [2024-11-13 22:46:23,525 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:46:23,952 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:46:23,953 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24549f50-e938-4509-8455-4d62ebe5fc8a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-func-interl.c [2024-11-13 22:46:23,973 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24549f50-e938-4509-8455-4d62ebe5fc8a/bin/ukojak-verify-EEHR8qb7sm/data/02f19bc96/a04a3bda30e34b45b0936f12269c9b42/FLAG18714ca3c [2024-11-13 22:46:24,000 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24549f50-e938-4509-8455-4d62ebe5fc8a/bin/ukojak-verify-EEHR8qb7sm/data/02f19bc96/a04a3bda30e34b45b0936f12269c9b42 [2024-11-13 22:46:24,003 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:46:24,004 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:46:24,006 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:46:24,006 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:46:24,013 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:46:24,015 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:46:24" (1/1) ... [2024-11-13 22:46:24,016 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6af47067 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:24, skipping insertion in model container [2024-11-13 22:46:24,018 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:46:24" (1/1) ... [2024-11-13 22:46:24,092 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:46:24,337 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_24549f50-e938-4509-8455-4d62ebe5fc8a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-func-interl.c[1174,1187] [2024-11-13 22:46:24,896 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:46:24,919 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:46:24,933 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_24549f50-e938-4509-8455-4d62ebe5fc8a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-func-interl.c[1174,1187] [2024-11-13 22:46:25,243 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:46:25,267 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:46:25,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:25 WrapperNode [2024-11-13 22:46:25,269 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:46:25,270 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:46:25,270 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:46:25,270 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:46:25,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:25" (1/1) ... [2024-11-13 22:46:25,352 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:25" (1/1) ... [2024-11-13 22:46:25,492 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2787 [2024-11-13 22:46:25,493 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:46:25,494 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:46:25,494 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:46:25,494 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:46:25,502 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:25" (1/1) ... [2024-11-13 22:46:25,502 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:25" (1/1) ... [2024-11-13 22:46:25,521 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:25" (1/1) ... [2024-11-13 22:46:25,521 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:25" (1/1) ... [2024-11-13 22:46:25,591 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:25" (1/1) ... [2024-11-13 22:46:25,605 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:25" (1/1) ... [2024-11-13 22:46:25,628 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:25" (1/1) ... [2024-11-13 22:46:25,647 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:25" (1/1) ... [2024-11-13 22:46:25,681 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:46:25,683 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:46:25,683 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:46:25,683 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:46:25,686 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:25" (1/1) ... [2024-11-13 22:46:25,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:46:25,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24549f50-e938-4509-8455-4d62ebe5fc8a/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:46:25,772 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24549f50-e938-4509-8455-4d62ebe5fc8a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:46:25,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24549f50-e938-4509-8455-4d62ebe5fc8a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:46:25,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:46:25,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:46:25,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:46:25,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:46:26,464 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:46:26,467 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:46:33,831 INFO L? ?]: Removed 109 outVars from TransFormulas that were not future-live. [2024-11-13 22:46:33,831 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:46:33,944 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:46:33,944 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:46:33,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:46:33 BoogieIcfgContainer [2024-11-13 22:46:33,945 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:46:33,946 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:46:33,946 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:46:33,956 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:46:33,956 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:46:33" (1/1) ... [2024-11-13 22:46:33,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:46:34,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:46:34,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 22:46:34,018 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 22:46:34,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:46:34,020 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:46:34,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:46:34,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24549f50-e938-4509-8455-4d62ebe5fc8a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:46:34,026 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24549f50-e938-4509-8455-4d62ebe5fc8a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:46:34,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24549f50-e938-4509-8455-4d62ebe5fc8a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:46:35,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:46:35,041 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:46:35,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:46:35,339 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:46:35,355 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:46:35,561 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 22:46:35,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24549f50-e938-4509-8455-4d62ebe5fc8a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:46:37,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:46:37,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:46:37,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 22:46:37,813 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 22:46:37,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:46:37,813 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:46:37,813 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:46:37,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24549f50-e938-4509-8455-4d62ebe5fc8a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:46:37,818 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24549f50-e938-4509-8455-4d62ebe5fc8a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:46:37,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24549f50-e938-4509-8455-4d62ebe5fc8a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:46:40,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:46:40,284 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:46:40,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:46:40,894 INFO L255 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 22:46:40,927 INFO L278 TraceCheckSpWp]: Computing forward predicates...