./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop3-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_8463d45d-7215-4f53-8b8e-f04d5ba24fcd/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8463d45d-7215-4f53-8b8e-f04d5ba24fcd/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8463d45d-7215-4f53-8b8e-f04d5ba24fcd/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8463d45d-7215-4f53-8b8e-f04d5ba24fcd/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop3-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8463d45d-7215-4f53-8b8e-f04d5ba24fcd/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8463d45d-7215-4f53-8b8e-f04d5ba24fcd/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e78e4cb863c802964bae1e0e50deee714aeb3e0550ed3e936a06254ec2f6c894 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:03:04,636 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:03:04,700 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8463d45d-7215-4f53-8b8e-f04d5ba24fcd/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-24 18:03:04,705 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:03:04,705 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:03:04,729 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:03:04,730 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:03:04,730 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:03:04,730 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:03:04,730 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:03:04,731 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:03:04,731 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:03:04,731 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:03:04,731 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:03:04,731 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:03:04,731 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:03:04,731 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:03:04,732 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:03:04,736 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:03:04,736 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:03:04,736 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:03:04,737 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:03:04,737 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:03:04,737 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:03:04,737 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:03:04,737 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:03:04,737 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:03:04,738 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:03:04,738 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:03:04,738 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:03:04,738 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_8463d45d-7215-4f53-8b8e-f04d5ba24fcd/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e78e4cb863c802964bae1e0e50deee714aeb3e0550ed3e936a06254ec2f6c894 [2024-11-24 18:03:05,117 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:03:05,127 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:03:05,129 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:03:05,130 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:03:05,131 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:03:05,132 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8463d45d-7215-4f53-8b8e-f04d5ba24fcd/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop3-func-interl.c [2024-11-24 18:03:08,634 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8463d45d-7215-4f53-8b8e-f04d5ba24fcd/bin/ukojak-verify-ENZ3QT5qd3/data/8b32ec3f0/262b9dd718e04891a1daa16e23108089/FLAGe6841f707 [2024-11-24 18:03:09,225 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:03:09,229 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8463d45d-7215-4f53-8b8e-f04d5ba24fcd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop3-func-interl.c [2024-11-24 18:03:09,258 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8463d45d-7215-4f53-8b8e-f04d5ba24fcd/bin/ukojak-verify-ENZ3QT5qd3/data/8b32ec3f0/262b9dd718e04891a1daa16e23108089/FLAGe6841f707 [2024-11-24 18:03:09,749 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8463d45d-7215-4f53-8b8e-f04d5ba24fcd/bin/ukojak-verify-ENZ3QT5qd3/data/8b32ec3f0/262b9dd718e04891a1daa16e23108089 [2024-11-24 18:03:09,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:03:09,754 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:03:09,755 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:03:09,755 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:03:09,761 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:03:09,762 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:03:09" (1/1) ... [2024-11-24 18:03:09,763 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bae659b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:09, skipping insertion in model container [2024-11-24 18:03:09,764 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:03:09" (1/1) ... [2024-11-24 18:03:09,843 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:03:10,138 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_8463d45d-7215-4f53-8b8e-f04d5ba24fcd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop3-func-interl.c[1171,1184] [2024-11-24 18:03:10,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:03:10,954 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:03:10,970 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_8463d45d-7215-4f53-8b8e-f04d5ba24fcd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop3-func-interl.c[1171,1184] [2024-11-24 18:03:11,332 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:03:11,348 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:03:11,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:11 WrapperNode [2024-11-24 18:03:11,350 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:03:11,351 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:03:11,351 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:03:11,352 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:03:11,360 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:11" (1/1) ... [2024-11-24 18:03:11,478 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:11" (1/1) ... [2024-11-24 18:03:12,817 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 9300 [2024-11-24 18:03:12,818 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:03:12,819 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:03:12,819 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:03:12,820 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:03:12,839 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:11" (1/1) ... [2024-11-24 18:03:12,840 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:11" (1/1) ... [2024-11-24 18:03:13,247 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:11" (1/1) ... [2024-11-24 18:03:13,248 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:11" (1/1) ... [2024-11-24 18:03:13,953 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:11" (1/1) ... [2024-11-24 18:03:13,994 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:11" (1/1) ... [2024-11-24 18:03:14,050 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:11" (1/1) ... [2024-11-24 18:03:14,140 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:11" (1/1) ... [2024-11-24 18:03:14,178 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:11" (1/1) ... [2024-11-24 18:03:14,451 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:03:14,453 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:03:14,454 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:03:14,454 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:03:14,456 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:11" (1/1) ... [2024-11-24 18:03:14,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:03:14,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8463d45d-7215-4f53-8b8e-f04d5ba24fcd/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:03:14,510 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8463d45d-7215-4f53-8b8e-f04d5ba24fcd/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:03:14,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8463d45d-7215-4f53-8b8e-f04d5ba24fcd/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:03:14,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:03:14,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-24 18:03:14,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:03:14,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:03:15,571 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:03:15,575 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:03:33,355 INFO L? ?]: Removed 5123 outVars from TransFormulas that were not future-live. [2024-11-24 18:03:33,356 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:03:55,362 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:03:55,363 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-24 18:03:55,363 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:03:55 BoogieIcfgContainer [2024-11-24 18:03:55,363 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:03:55,364 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:03:55,364 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:03:55,374 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:03:55,376 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:03:55" (1/1) ... [2024-11-24 18:03:55,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:03:55,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:03:55,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-24 18:03:55,453 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-24 18:03:55,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-24 18:03:55,456 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:03:55,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:03:56,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:04:01,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:04:11,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.62s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-24 18:04:21,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-24 18:04:22,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:04:22,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-24 18:04:22,533 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-24 18:04:22,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-24 18:04:22,533 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:04:22,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:17,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:06:28,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:06:28,831 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) [2024-11-24 18:06:28,836 INFO L158 Benchmark]: Toolchain (without parser) took 199082.33ms. Allocated memory was 117.4MB in the beginning and 7.5GB in the end (delta: 7.4GB). Free memory was 88.4MB in the beginning and 6.0GB in the end (delta: -5.9GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2024-11-24 18:06:28,837 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:06:28,838 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1595.19ms. Allocated memory is still 117.4MB. Free memory was 88.2MB in the beginning and 52.2MB in the end (delta: 36.0MB). Peak memory consumption was 96.5MB. Max. memory is 16.1GB. [2024-11-24 18:06:28,839 INFO L158 Benchmark]: Boogie Procedure Inliner took 1467.08ms. Allocated memory was 117.4MB in the beginning and 679.5MB in the end (delta: 562.0MB). Free memory was 52.2MB in the beginning and 500.4MB in the end (delta: -448.2MB). Peak memory consumption was 181.2MB. Max. memory is 16.1GB. [2024-11-24 18:06:28,839 INFO L158 Benchmark]: Boogie Preprocessor took 1631.94ms. Allocated memory was 679.5MB in the beginning and 620.8MB in the end (delta: -58.7MB). Free memory was 500.4MB in the beginning and 386.2MB in the end (delta: 114.2MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB. [2024-11-24 18:06:28,840 INFO L158 Benchmark]: RCFGBuilder took 40910.79ms. Allocated memory was 620.8MB in the beginning and 4.3GB in the end (delta: 3.6GB). Free memory was 386.2MB in the beginning and 3.7GB in the end (delta: -3.3GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-11-24 18:06:28,841 INFO L158 Benchmark]: CodeCheck took 153470.84ms. Allocated memory was 4.3GB in the beginning and 7.5GB in the end (delta: 3.2GB). Free memory was 3.7GB in the beginning and 6.0GB in the end (delta: -2.3GB). Peak memory consumption was 963.4MB. Max. memory is 16.1GB. [2024-11-24 18:06:28,845 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 0.35ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1595.19ms. Allocated memory is still 117.4MB. Free memory was 88.2MB in the beginning and 52.2MB in the end (delta: 36.0MB). Peak memory consumption was 96.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1467.08ms. Allocated memory was 117.4MB in the beginning and 679.5MB in the end (delta: 562.0MB). Free memory was 52.2MB in the beginning and 500.4MB in the end (delta: -448.2MB). Peak memory consumption was 181.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1631.94ms. Allocated memory was 679.5MB in the beginning and 620.8MB in the end (delta: -58.7MB). Free memory was 500.4MB in the beginning and 386.2MB in the end (delta: 114.2MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB. * RCFGBuilder took 40910.79ms. Allocated memory was 620.8MB in the beginning and 4.3GB in the end (delta: 3.6GB). Free memory was 386.2MB in the beginning and 3.7GB in the end (delta: -3.3GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * CodeCheck took 153470.84ms. Allocated memory was 4.3GB in the beginning and 7.5GB in the end (delta: 3.2GB). Free memory was 3.7GB in the beginning and 6.0GB in the end (delta: -2.3GB). Peak memory consumption was 963.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-24 18:06:29,058 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8463d45d-7215-4f53-8b8e-f04d5ba24fcd/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-24 18:06:29,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8463d45d-7215-4f53-8b8e-f04d5ba24fcd/bin/ukojak-verify-ENZ3QT5qd3/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_8463d45d-7215-4f53-8b8e-f04d5ba24fcd/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8463d45d-7215-4f53-8b8e-f04d5ba24fcd/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8463d45d-7215-4f53-8b8e-f04d5ba24fcd/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8463d45d-7215-4f53-8b8e-f04d5ba24fcd/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop3-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8463d45d-7215-4f53-8b8e-f04d5ba24fcd/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8463d45d-7215-4f53-8b8e-f04d5ba24fcd/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e78e4cb863c802964bae1e0e50deee714aeb3e0550ed3e936a06254ec2f6c894 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:06:32,622 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:06:32,790 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8463d45d-7215-4f53-8b8e-f04d5ba24fcd/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-24 18:06:32,849 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:06:32,851 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:06:32,851 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:06:32,852 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:06:32,852 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:06:32,853 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:06:32,854 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:06:32,855 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:06:32,855 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:06:32,856 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:06:32,856 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:06:32,856 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 18:06:32,856 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 18:06:32,856 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 18:06:32,856 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:06:32,856 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:06:32,856 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:06:32,857 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:06:32,857 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:06:32,857 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:06:32,857 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:06:32,858 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-24 18:06:32,859 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:06:32,859 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:06:32,859 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:06:32,859 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:06:32,859 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:06:32,859 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-24 18:06:32,859 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:06:32,860 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-24 18:06:32,860 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_8463d45d-7215-4f53-8b8e-f04d5ba24fcd/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e78e4cb863c802964bae1e0e50deee714aeb3e0550ed3e936a06254ec2f6c894 [2024-11-24 18:06:33,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:06:33,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:06:33,268 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:06:33,272 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:06:33,273 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:06:33,274 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8463d45d-7215-4f53-8b8e-f04d5ba24fcd/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop3-func-interl.c [2024-11-24 18:06:37,101 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8463d45d-7215-4f53-8b8e-f04d5ba24fcd/bin/ukojak-verify-ENZ3QT5qd3/data/74b4cbbb9/4ace9b0bc0784585b46ce0bad8e3367c/FLAG7fc7725f1 [2024-11-24 18:06:37,630 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:06:37,632 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8463d45d-7215-4f53-8b8e-f04d5ba24fcd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop3-func-interl.c [2024-11-24 18:06:37,653 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8463d45d-7215-4f53-8b8e-f04d5ba24fcd/bin/ukojak-verify-ENZ3QT5qd3/data/74b4cbbb9/4ace9b0bc0784585b46ce0bad8e3367c/FLAG7fc7725f1 [2024-11-24 18:06:37,673 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8463d45d-7215-4f53-8b8e-f04d5ba24fcd/bin/ukojak-verify-ENZ3QT5qd3/data/74b4cbbb9/4ace9b0bc0784585b46ce0bad8e3367c [2024-11-24 18:06:37,676 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:06:37,678 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:06:37,680 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:06:37,681 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:06:37,687 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:06:37,688 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:06:37" (1/1) ... [2024-11-24 18:06:37,689 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ac829fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:37, skipping insertion in model container [2024-11-24 18:06:37,689 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:06:37" (1/1) ... [2024-11-24 18:06:37,769 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:06:38,084 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_8463d45d-7215-4f53-8b8e-f04d5ba24fcd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop3-func-interl.c[1171,1184] [2024-11-24 18:06:38,673 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:06:38,700 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:06:38,715 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_8463d45d-7215-4f53-8b8e-f04d5ba24fcd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop3-func-interl.c[1171,1184] [2024-11-24 18:06:39,063 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:06:39,091 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:06:39,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:39 WrapperNode [2024-11-24 18:06:39,094 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:06:39,095 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:06:39,095 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:06:39,096 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:06:39,138 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:39" (1/1) ... [2024-11-24 18:06:39,218 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:39" (1/1) ... [2024-11-24 18:06:39,373 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2660 [2024-11-24 18:06:39,374 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:06:39,375 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:06:39,375 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:06:39,375 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:06:39,385 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:39" (1/1) ... [2024-11-24 18:06:39,385 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:39" (1/1) ... [2024-11-24 18:06:39,404 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:39" (1/1) ... [2024-11-24 18:06:39,404 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:39" (1/1) ... [2024-11-24 18:06:39,485 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:39" (1/1) ... [2024-11-24 18:06:39,495 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:39" (1/1) ... [2024-11-24 18:06:39,506 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:39" (1/1) ... [2024-11-24 18:06:39,524 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:39" (1/1) ... [2024-11-24 18:06:39,545 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:39" (1/1) ... [2024-11-24 18:06:39,581 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:06:39,585 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:06:39,586 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:06:39,588 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:06:39,590 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:39" (1/1) ... [2024-11-24 18:06:39,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:06:39,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8463d45d-7215-4f53-8b8e-f04d5ba24fcd/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:06:39,638 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8463d45d-7215-4f53-8b8e-f04d5ba24fcd/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:06:39,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8463d45d-7215-4f53-8b8e-f04d5ba24fcd/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:06:39,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:06:39,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-24 18:06:39,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:06:39,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:06:40,452 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:06:40,454 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:06:45,574 INFO L? ?]: Removed 111 outVars from TransFormulas that were not future-live. [2024-11-24 18:06:45,575 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:06:45,732 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:06:45,732 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-24 18:06:45,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:06:45 BoogieIcfgContainer [2024-11-24 18:06:45,734 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:06:45,735 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:06:45,735 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:06:45,786 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:06:45,786 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:06:45" (1/1) ... [2024-11-24 18:06:45,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:06:45,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:45,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-24 18:06:45,868 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-24 18:06:45,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-24 18:06:45,873 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:45,875 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:06:45,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8463d45d-7215-4f53-8b8e-f04d5ba24fcd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:06:45,880 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8463d45d-7215-4f53-8b8e-f04d5ba24fcd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:06:45,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8463d45d-7215-4f53-8b8e-f04d5ba24fcd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-24 18:06:46,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:46,995 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:06:47,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:47,288 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-24 18:06:47,307 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:06:47,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:06:47,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8463d45d-7215-4f53-8b8e-f04d5ba24fcd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-24 18:06:48,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:48,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-24 18:06:48,208 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-24 18:06:48,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-24 18:06:48,209 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:48,209 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:06:48,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8463d45d-7215-4f53-8b8e-f04d5ba24fcd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:06:48,213 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8463d45d-7215-4f53-8b8e-f04d5ba24fcd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:06:48,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8463d45d-7215-4f53-8b8e-f04d5ba24fcd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-24 18:06:50,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:50,103 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:06:50,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:50,724 INFO L256 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-24 18:06:50,759 INFO L279 TraceCheckSpWp]: Computing forward predicates...