./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.1.prop2-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_8d9dffbe-9035-47cc-9959-28a3324fa18e/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9dffbe-9035-47cc-9959-28a3324fa18e/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9dffbe-9035-47cc-9959-28a3324fa18e/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9dffbe-9035-47cc-9959-28a3324fa18e/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.1.prop2-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9dffbe-9035-47cc-9959-28a3324fa18e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9dffbe-9035-47cc-9959-28a3324fa18e/bin/ukojak-verify-CZk0znPC7b --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 a4df8dfbcae8d026f4dbf2d7f09b2f52eda6042cfe447bd6c0c313ded1f50c7b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:06:52,148 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:06:52,216 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9dffbe-9035-47cc-9959-28a3324fa18e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 02:06:52,220 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:06:52,221 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:06:52,240 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:06:52,241 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:06:52,241 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:06:52,241 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:06:52,241 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:06:52,242 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:06:52,242 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:06:52,242 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:06:52,242 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:06:52,242 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:06:52,242 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:06:52,242 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:06:52,242 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:06:52,242 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:06:52,242 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:06:52,242 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:06:52,243 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:06:52,243 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:06:52,243 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:06:52,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:06:52,243 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:06:52,243 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:06:52,243 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:06:52,243 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:06:52,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:06:52,243 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_8d9dffbe-9035-47cc-9959-28a3324fa18e/bin/ukojak-verify-CZk0znPC7b 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 -> a4df8dfbcae8d026f4dbf2d7f09b2f52eda6042cfe447bd6c0c313ded1f50c7b [2024-12-06 02:06:52,479 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:06:52,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:06:52,489 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:06:52,490 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:06:52,491 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:06:52,492 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9dffbe-9035-47cc-9959-28a3324fa18e/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.1.prop2-func-interl.c [2024-12-06 02:06:55,198 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9dffbe-9035-47cc-9959-28a3324fa18e/bin/ukojak-verify-CZk0znPC7b/data/0d1fcd232/d4c87e77bb98449eb40974b42fecd19e/FLAG972f9db5e [2024-12-06 02:06:55,490 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:06:55,491 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9dffbe-9035-47cc-9959-28a3324fa18e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.1.prop2-func-interl.c [2024-12-06 02:06:55,505 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9dffbe-9035-47cc-9959-28a3324fa18e/bin/ukojak-verify-CZk0znPC7b/data/0d1fcd232/d4c87e77bb98449eb40974b42fecd19e/FLAG972f9db5e [2024-12-06 02:06:55,764 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9dffbe-9035-47cc-9959-28a3324fa18e/bin/ukojak-verify-CZk0znPC7b/data/0d1fcd232/d4c87e77bb98449eb40974b42fecd19e [2024-12-06 02:06:55,766 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:06:55,767 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:06:55,768 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:06:55,768 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:06:55,772 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:06:55,772 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:06:55" (1/1) ... [2024-12-06 02:06:55,773 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@213ba0e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:55, skipping insertion in model container [2024-12-06 02:06:55,773 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:06:55" (1/1) ... [2024-12-06 02:06:55,818 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:06:55,963 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_8d9dffbe-9035-47cc-9959-28a3324fa18e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.1.prop2-func-interl.c[1171,1184] [2024-12-06 02:06:56,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:06:56,282 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:06:56,307 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_8d9dffbe-9035-47cc-9959-28a3324fa18e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.1.prop2-func-interl.c[1171,1184] [2024-12-06 02:06:56,434 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:06:56,444 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:06:56,444 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:56 WrapperNode [2024-12-06 02:06:56,444 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:06:56,445 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:06:56,445 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:06:56,445 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:06:56,450 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:56" (1/1) ... [2024-12-06 02:06:56,524 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:56" (1/1) ... [2024-12-06 02:06:57,084 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 9236 [2024-12-06 02:06:57,084 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:06:57,085 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:06:57,085 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:06:57,085 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:06:57,092 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:56" (1/1) ... [2024-12-06 02:06:57,092 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:56" (1/1) ... [2024-12-06 02:06:57,290 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:56" (1/1) ... [2024-12-06 02:06:57,290 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:56" (1/1) ... [2024-12-06 02:06:57,562 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:56" (1/1) ... [2024-12-06 02:06:57,608 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:56" (1/1) ... [2024-12-06 02:06:57,711 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:56" (1/1) ... [2024-12-06 02:06:57,763 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:56" (1/1) ... [2024-12-06 02:06:57,788 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:56" (1/1) ... [2024-12-06 02:06:57,885 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:06:57,886 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:06:57,886 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:06:57,886 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:06:57,887 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:56" (1/1) ... [2024-12-06 02:06:57,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:06:57,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9dffbe-9035-47cc-9959-28a3324fa18e/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:06:57,914 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9dffbe-9035-47cc-9959-28a3324fa18e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:06:57,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9dffbe-9035-47cc-9959-28a3324fa18e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:06:57,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:06:57,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:06:57,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:06:57,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:06:58,407 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:06:58,409 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:07:09,932 INFO L? ?]: Removed 5090 outVars from TransFormulas that were not future-live. [2024-12-06 02:07:09,933 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:07:23,364 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:07:23,364 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 02:07:23,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:07:23 BoogieIcfgContainer [2024-12-06 02:07:23,365 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:07:23,365 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:07:23,366 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:07:23,372 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:07:23,372 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:07:23" (1/1) ... [2024-12-06 02:07:23,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:07:23,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:23,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 02:07:23,412 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 02:07:23,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:07:23,414 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:23,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:07:23,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:26,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:07:37,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 02:07:47,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 02:07:48,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:48,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 02:07:48,258 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 02:07:48,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:07:48,259 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:48,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:09:37,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:09:48,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:09:48,299 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) [2024-12-06 02:09:48,303 INFO L158 Benchmark]: Toolchain (without parser) took 172535.59ms. Allocated memory was 142.6MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 113.4MB in the beginning and 451.3MB in the end (delta: -337.9MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-12-06 02:09:48,303 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:09:48,304 INFO L158 Benchmark]: CACSL2BoogieTranslator took 677.06ms. Allocated memory is still 142.6MB. Free memory was 113.2MB in the beginning and 54.6MB in the end (delta: 58.6MB). Peak memory consumption was 80.0MB. Max. memory is 16.1GB. [2024-12-06 02:09:48,305 INFO L158 Benchmark]: Boogie Procedure Inliner took 639.40ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 54.6MB in the beginning and 116.3MB in the end (delta: -61.8MB). Peak memory consumption was 165.1MB. Max. memory is 16.1GB. [2024-12-06 02:09:48,306 INFO L158 Benchmark]: Boogie Preprocessor took 800.56ms. Allocated memory was 327.2MB in the beginning and 704.6MB in the end (delta: 377.5MB). Free memory was 116.3MB in the beginning and 461.3MB in the end (delta: -344.9MB). Peak memory consumption was 90.8MB. Max. memory is 16.1GB. [2024-12-06 02:09:48,306 INFO L158 Benchmark]: RCFGBuilder took 25478.82ms. Allocated memory was 704.6MB in the beginning and 1.0GB in the end (delta: 335.5MB). Free memory was 461.3MB in the beginning and 317.4MB in the end (delta: 143.9MB). Peak memory consumption was 839.4MB. Max. memory is 16.1GB. [2024-12-06 02:09:48,307 INFO L158 Benchmark]: CodeCheck took 144936.28ms. Allocated memory was 1.0GB in the beginning and 1.7GB in the end (delta: 696.3MB). Free memory was 317.4MB in the beginning and 455.5MB in the end (delta: -138.1MB). Peak memory consumption was 566.5MB. Max. memory is 16.1GB. [2024-12-06 02:09:48,311 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 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 677.06ms. Allocated memory is still 142.6MB. Free memory was 113.2MB in the beginning and 54.6MB in the end (delta: 58.6MB). Peak memory consumption was 80.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 639.40ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 54.6MB in the beginning and 116.3MB in the end (delta: -61.8MB). Peak memory consumption was 165.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 800.56ms. Allocated memory was 327.2MB in the beginning and 704.6MB in the end (delta: 377.5MB). Free memory was 116.3MB in the beginning and 461.3MB in the end (delta: -344.9MB). Peak memory consumption was 90.8MB. Max. memory is 16.1GB. * RCFGBuilder took 25478.82ms. Allocated memory was 704.6MB in the beginning and 1.0GB in the end (delta: 335.5MB). Free memory was 461.3MB in the beginning and 317.4MB in the end (delta: 143.9MB). Peak memory consumption was 839.4MB. Max. memory is 16.1GB. * CodeCheck took 144936.28ms. Allocated memory was 1.0GB in the beginning and 1.7GB in the end (delta: 696.3MB). Free memory was 317.4MB in the beginning and 455.5MB in the end (delta: -138.1MB). Peak memory consumption was 566.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 02:09:48,526 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9dffbe-9035-47cc-9959-28a3324fa18e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-06 02:09:48,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9dffbe-9035-47cc-9959-28a3324fa18e/bin/ukojak-verify-CZk0znPC7b/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_8d9dffbe-9035-47cc-9959-28a3324fa18e/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9dffbe-9035-47cc-9959-28a3324fa18e/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9dffbe-9035-47cc-9959-28a3324fa18e/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9dffbe-9035-47cc-9959-28a3324fa18e/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.1.prop2-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9dffbe-9035-47cc-9959-28a3324fa18e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9dffbe-9035-47cc-9959-28a3324fa18e/bin/ukojak-verify-CZk0znPC7b --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 a4df8dfbcae8d026f4dbf2d7f09b2f52eda6042cfe447bd6c0c313ded1f50c7b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:09:50,353 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:09:50,435 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9dffbe-9035-47cc-9959-28a3324fa18e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 02:09:50,458 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:09:50,458 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:09:50,459 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:09:50,459 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:09:50,459 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:09:50,459 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:09:50,459 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:09:50,459 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:09:50,459 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:09:50,459 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:09:50,460 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:09:50,460 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 02:09:50,460 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 02:09:50,460 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 02:09:50,460 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:09:50,460 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:09:50,460 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:09:50,460 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:09:50,460 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:09:50,460 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:09:50,460 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:09:50,461 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 02:09:50,461 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:09:50,461 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:09:50,461 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:09:50,461 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:09:50,461 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:09:50,461 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 02:09:50,461 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:09:50,461 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 02:09:50,462 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_8d9dffbe-9035-47cc-9959-28a3324fa18e/bin/ukojak-verify-CZk0znPC7b 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 -> a4df8dfbcae8d026f4dbf2d7f09b2f52eda6042cfe447bd6c0c313ded1f50c7b [2024-12-06 02:09:50,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:09:50,682 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:09:50,684 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:09:50,685 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:09:50,686 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:09:50,687 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9dffbe-9035-47cc-9959-28a3324fa18e/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.1.prop2-func-interl.c [2024-12-06 02:09:51,183 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9dffbe-9035-47cc-9959-28a3324fa18e/bin/ukojak-verify-CZk0znPC7b/data/c035139e5/68ed8efc9fa543e8a1b1e6564ffb0cac/FLAG891185d1f [2024-12-06 02:09:55,924 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:09:55,924 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9dffbe-9035-47cc-9959-28a3324fa18e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.1.prop2-func-interl.c [2024-12-06 02:09:55,940 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9dffbe-9035-47cc-9959-28a3324fa18e/bin/ukojak-verify-CZk0znPC7b/data/c035139e5/68ed8efc9fa543e8a1b1e6564ffb0cac/FLAG891185d1f [2024-12-06 02:09:56,177 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9dffbe-9035-47cc-9959-28a3324fa18e/bin/ukojak-verify-CZk0znPC7b/data/c035139e5/68ed8efc9fa543e8a1b1e6564ffb0cac [2024-12-06 02:09:56,179 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:09:56,180 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:09:56,182 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:09:56,182 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:09:56,186 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:09:56,186 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:09:56" (1/1) ... [2024-12-06 02:09:56,187 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@703c0fce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:09:56, skipping insertion in model container [2024-12-06 02:09:56,187 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:09:56" (1/1) ... [2024-12-06 02:09:56,227 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:09:56,373 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_8d9dffbe-9035-47cc-9959-28a3324fa18e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.1.prop2-func-interl.c[1171,1184] [2024-12-06 02:09:56,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:09:56,669 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:09:56,678 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_8d9dffbe-9035-47cc-9959-28a3324fa18e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.1.prop2-func-interl.c[1171,1184] [2024-12-06 02:09:56,820 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:09:56,834 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:09:56,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:09:56 WrapperNode [2024-12-06 02:09:56,834 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:09:56,835 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:09:56,835 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:09:56,835 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:09:56,841 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:09:56" (1/1) ... [2024-12-06 02:09:56,875 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:09:56" (1/1) ... [2024-12-06 02:09:56,971 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2644 [2024-12-06 02:09:56,971 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:09:56,972 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:09:56,972 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:09:56,972 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:09:56,977 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:09:56" (1/1) ... [2024-12-06 02:09:56,977 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:09:56" (1/1) ... [2024-12-06 02:09:56,988 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:09:56" (1/1) ... [2024-12-06 02:09:56,988 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:09:56" (1/1) ... [2024-12-06 02:09:57,027 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:09:56" (1/1) ... [2024-12-06 02:09:57,031 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:09:56" (1/1) ... [2024-12-06 02:09:57,036 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:09:56" (1/1) ... [2024-12-06 02:09:57,043 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:09:56" (1/1) ... [2024-12-06 02:09:57,053 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:09:56" (1/1) ... [2024-12-06 02:09:57,069 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:09:57,070 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:09:57,071 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:09:57,071 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:09:57,072 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:09:56" (1/1) ... [2024-12-06 02:09:57,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:09:57,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9dffbe-9035-47cc-9959-28a3324fa18e/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:09:57,095 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9dffbe-9035-47cc-9959-28a3324fa18e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:09:57,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9dffbe-9035-47cc-9959-28a3324fa18e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:09:57,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:09:57,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 02:09:57,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:09:57,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:09:57,551 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:09:57,553 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:10:00,418 INFO L? ?]: Removed 117 outVars from TransFormulas that were not future-live. [2024-12-06 02:10:00,418 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:10:00,512 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:10:00,512 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 02:10:00,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:10:00 BoogieIcfgContainer [2024-12-06 02:10:00,512 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:10:00,513 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:10:00,513 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:10:00,522 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:10:00,522 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:10:00" (1/1) ... [2024-12-06 02:10:00,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:10:00,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:10:00,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 02:10:00,572 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 02:10:00,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:10:00,574 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:10:00,575 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:10:00,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9dffbe-9035-47cc-9959-28a3324fa18e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:10:00,577 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9dffbe-9035-47cc-9959-28a3324fa18e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:10:00,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9dffbe-9035-47cc-9959-28a3324fa18e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 02:10:01,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:10:01,284 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:10:01,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:10:01,490 INFO L256 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 02:10:01,499 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:10:01,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:10:01,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9dffbe-9035-47cc-9959-28a3324fa18e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 02:10:01,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:10:01,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 02:10:01,930 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 02:10:01,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:10:01,930 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:10:01,930 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:10:01,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9dffbe-9035-47cc-9959-28a3324fa18e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:10:01,932 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9dffbe-9035-47cc-9959-28a3324fa18e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:10:01,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9dffbe-9035-47cc-9959-28a3324fa18e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 02:10:03,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:10:03,119 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:10:03,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:10:03,503 INFO L256 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-06 02:10:03,522 INFO L279 TraceCheckSpWp]: Computing forward predicates...