./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/verifythis/lcp.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_472ff0b3-f16d-438a-95c8-036c02b23c66/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472ff0b3-f16d-438a-95c8-036c02b23c66/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_472ff0b3-f16d-438a-95c8-036c02b23c66/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472ff0b3-f16d-438a-95c8-036c02b23c66/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/verifythis/lcp.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472ff0b3-f16d-438a-95c8-036c02b23c66/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472ff0b3-f16d-438a-95c8-036c02b23c66/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 32bit --witnessprinter.graph.data.programhash 1e47fbc54bff4eeebe072cdb8acf7cfe734a91f148fd421ae1769ba3b81a6f5a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:25:19,161 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:25:19,225 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472ff0b3-f16d-438a-95c8-036c02b23c66/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 03:25:19,229 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:25:19,230 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:25:19,252 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:25:19,253 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:25:19,254 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:25:19,254 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:25:19,254 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:25:19,254 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:25:19,255 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:25:19,255 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:25:19,255 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:25:19,255 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:25:19,255 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:25:19,255 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:25:19,255 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:25:19,255 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:25:19,255 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:25:19,256 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:25:19,256 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:25:19,256 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:25:19,256 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:25:19,256 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:25:19,256 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:25:19,256 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:25:19,256 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:25:19,257 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:25:19,257 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:25:19,257 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:25:19,257 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:25:19,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:25:19,257 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_472ff0b3-f16d-438a-95c8-036c02b23c66/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e47fbc54bff4eeebe072cdb8acf7cfe734a91f148fd421ae1769ba3b81a6f5a [2024-12-06 03:25:19,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:25:19,518 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:25:19,521 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:25:19,522 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:25:19,523 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:25:19,524 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472ff0b3-f16d-438a-95c8-036c02b23c66/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/verifythis/lcp.c [2024-12-06 03:25:22,369 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472ff0b3-f16d-438a-95c8-036c02b23c66/bin/ukojak-verify-CZk0znPC7b/data/f33ac141f/2cee59fcbec547ac8482d022e38162dc/FLAGfd2f56267 [2024-12-06 03:25:22,610 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:25:22,610 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472ff0b3-f16d-438a-95c8-036c02b23c66/sv-benchmarks/c/verifythis/lcp.c [2024-12-06 03:25:22,617 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472ff0b3-f16d-438a-95c8-036c02b23c66/bin/ukojak-verify-CZk0znPC7b/data/f33ac141f/2cee59fcbec547ac8482d022e38162dc/FLAGfd2f56267 [2024-12-06 03:25:22,635 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472ff0b3-f16d-438a-95c8-036c02b23c66/bin/ukojak-verify-CZk0znPC7b/data/f33ac141f/2cee59fcbec547ac8482d022e38162dc [2024-12-06 03:25:22,637 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:25:22,639 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:25:22,641 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:25:22,641 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:25:22,646 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:25:22,647 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:25:22" (1/1) ... [2024-12-06 03:25:22,648 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50c3ec75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:25:22, skipping insertion in model container [2024-12-06 03:25:22,648 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:25:22" (1/1) ... [2024-12-06 03:25:22,665 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:25:22,829 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_472ff0b3-f16d-438a-95c8-036c02b23c66/sv-benchmarks/c/verifythis/lcp.c[515,528] [2024-12-06 03:25:22,853 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:25:22,866 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:25:22,880 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_472ff0b3-f16d-438a-95c8-036c02b23c66/sv-benchmarks/c/verifythis/lcp.c[515,528] [2024-12-06 03:25:22,890 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:25:22,907 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:25:22,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:25:22 WrapperNode [2024-12-06 03:25:22,908 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:25:22,909 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:25:22,909 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:25:22,909 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:25:22,917 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:25:22" (1/1) ... [2024-12-06 03:25:22,925 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:25:22" (1/1) ... [2024-12-06 03:25:22,947 INFO L138 Inliner]: procedures = 20, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 85 [2024-12-06 03:25:22,947 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:25:22,948 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:25:22,948 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:25:22,948 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:25:22,957 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:25:22" (1/1) ... [2024-12-06 03:25:22,957 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:25:22" (1/1) ... [2024-12-06 03:25:22,959 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:25:22" (1/1) ... [2024-12-06 03:25:22,959 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:25:22" (1/1) ... [2024-12-06 03:25:22,965 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:25:22" (1/1) ... [2024-12-06 03:25:22,966 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:25:22" (1/1) ... [2024-12-06 03:25:22,970 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:25:22" (1/1) ... [2024-12-06 03:25:22,971 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:25:22" (1/1) ... [2024-12-06 03:25:22,972 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:25:22" (1/1) ... [2024-12-06 03:25:22,974 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:25:22,975 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:25:22,975 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:25:22,975 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:25:22,976 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:25:22" (1/1) ... [2024-12-06 03:25:22,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:25:22,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472ff0b3-f16d-438a-95c8-036c02b23c66/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:25:23,011 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472ff0b3-f16d-438a-95c8-036c02b23c66/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:25:23,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472ff0b3-f16d-438a-95c8-036c02b23c66/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:25:23,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:25:23,039 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 03:25:23,039 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 03:25:23,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:25:23,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 03:25:23,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:25:23,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:25:23,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 03:25:23,039 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 03:25:23,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 03:25:23,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 03:25:23,129 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:25:23,132 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:25:23,306 INFO L? ?]: Removed 42 outVars from TransFormulas that were not future-live. [2024-12-06 03:25:23,306 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:25:23,360 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:25:23,361 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 03:25:23,361 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:25:23 BoogieIcfgContainer [2024-12-06 03:25:23,361 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:25:23,362 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:25:23,362 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:25:23,370 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:25:23,370 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:25:23" (1/1) ... [2024-12-06 03:25:23,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:25:23,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:25:23,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 30 transitions. [2024-12-06 03:25:23,425 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2024-12-06 03:25:23,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 03:25:23,429 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:25:23,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:25:23,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:25:23,588 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 03:25:23,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:25:23,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2024-12-06 03:25:23,622 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2024-12-06 03:25:23,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 03:25:23,623 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:25:23,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:25:23,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:25:23,992 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 03:25:24,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:25:24,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 26 states and 30 transitions. [2024-12-06 03:25:24,181 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2024-12-06 03:25:24,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 03:25:24,182 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:25:24,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:25:24,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:25:24,654 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 03:25:25,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:25:25,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 34 states and 41 transitions. [2024-12-06 03:25:25,802 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2024-12-06 03:25:25,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 03:25:25,804 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:25:25,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:25:25,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:25:26,227 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 03:25:26,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:25:26,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 21 states and 23 transitions. [2024-12-06 03:25:26,828 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2024-12-06 03:25:26,829 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 03:25:26,829 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2024-12-06 03:25:26,837 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 03:25:27,096 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 03:25:27,096 INFO L77 FloydHoareUtils]: At program point L31(lines 31 32) the Hoare annotation is: true [2024-12-06 03:25:27,096 INFO L77 FloydHoareUtils]: At program point L27(line 27) the Hoare annotation is: true [2024-12-06 03:25:27,097 INFO L77 FloydHoareUtils]: At program point L27-1(line 27) the Hoare annotation is: true [2024-12-06 03:25:27,097 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 03:25:27,097 INFO L77 FloydHoareUtils]: At program point L38(line 38) the Hoare annotation is: true [2024-12-06 03:25:27,097 INFO L77 FloydHoareUtils]: At program point L38-1(line 38) the Hoare annotation is: true [2024-12-06 03:25:27,097 INFO L77 FloydHoareUtils]: At program point L32(line 32) the Hoare annotation is: true [2024-12-06 03:25:27,097 INFO L77 FloydHoareUtils]: At program point L28(line 28) the Hoare annotation is: true [2024-12-06 03:25:27,097 INFO L77 FloydHoareUtils]: At program point L28-1(line 28) the Hoare annotation is: true [2024-12-06 03:25:27,097 INFO L77 FloydHoareUtils]: At program point L24(lines 24 33) the Hoare annotation is: true [2024-12-06 03:25:27,098 INFO L77 FloydHoareUtils]: At program point L18-3(lines 18 20) the Hoare annotation is: (or (not (= ((as const (Array Int Int)) 0) (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|))) (and (= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_lcp_~y#1|) (= |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_lcp_~x#1|) (= |ULTIMATE.start_main_~n~0#1| |ULTIMATE.start_lcp_~n#1|) (or |ULTIMATE.start_lcp_#t~short7#1| (< |ULTIMATE.start_main_~n~0#1| (+ |ULTIMATE.start_lcp_~l~0#1| |ULTIMATE.start_main_~y~0#1| 1)) (< |ULTIMATE.start_main_~n~0#1| (+ |ULTIMATE.start_lcp_~l~0#1| |ULTIMATE.start_main_~x~0#1| 1))) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_lcp_~a#1.base|))) [2024-12-06 03:25:27,098 INFO L77 FloydHoareUtils]: At program point L18-6(lines 18 20) the Hoare annotation is: (or (not (= ((as const (Array Int Int)) 0) (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|))) (and (= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_lcp_~y#1|) (= |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_lcp_~x#1|) (= |ULTIMATE.start_main_~n~0#1| |ULTIMATE.start_lcp_~n#1|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_lcp_~a#1.base|))) [2024-12-06 03:25:27,098 INFO L77 FloydHoareUtils]: At program point L43(line 43) the Hoare annotation is: (= ((as const (Array Int Int)) 0) (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|)) [2024-12-06 03:25:27,098 INFO L77 FloydHoareUtils]: At program point L18-7(lines 18 20) the Hoare annotation is: (not (and (not (or (< |ULTIMATE.start_main_~n~0#1| (+ |ULTIMATE.start_lcp_~l~0#1| |ULTIMATE.start_main_~y~0#1| 1)) (< |ULTIMATE.start_main_~n~0#1| (+ |ULTIMATE.start_lcp_~l~0#1| |ULTIMATE.start_main_~x~0#1| 1)))) (= ((as const (Array Int Int)) 0) (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|)))) [2024-12-06 03:25:27,098 INFO L77 FloydHoareUtils]: At program point L43-1(line 43) the Hoare annotation is: true [2024-12-06 03:25:27,098 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 5 7) the Hoare annotation is: true [2024-12-06 03:25:27,098 INFO L77 FloydHoareUtils]: At program point assume_abort_if_notEXIT(lines 5 7) the Hoare annotation is: true [2024-12-06 03:25:27,098 INFO L77 FloydHoareUtils]: At program point L13(line 13) the Hoare annotation is: true [2024-12-06 03:25:27,099 INFO L77 FloydHoareUtils]: At program point L13-1(line 13) the Hoare annotation is: true [2024-12-06 03:25:27,099 INFO L77 FloydHoareUtils]: At program point L13-3(lines 12 14) the Hoare annotation is: true [2024-12-06 03:25:27,099 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 12 14) the Hoare annotation is: true [2024-12-06 03:25:27,099 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 12 14) the Hoare annotation is: true [2024-12-06 03:25:27,099 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) the Hoare annotation is: true [2024-12-06 03:25:27,105 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown expressions could not be backtranslated (possibly during translation to Boogie) [2024-12-06 03:25:27,105 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-12-06 03:25:27,106 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-12-06 03:25:27,107 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~a~0!base [2024-12-06 03:25:27,107 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~a!base [2024-12-06 03:25:27,109 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown expressions could not be backtranslated (possibly during translation to Boogie) [2024-12-06 03:25:27,109 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-12-06 03:25:27,109 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-12-06 03:25:27,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:25:27 ImpRootNode [2024-12-06 03:25:27,116 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:25:27,117 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:25:27,117 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:25:27,117 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:25:27,118 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:25:23" (3/4) ... [2024-12-06 03:25:27,120 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 03:25:27,122 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-12-06 03:25:27,123 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-12-06 03:25:27,126 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2024-12-06 03:25:27,126 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-12-06 03:25:27,127 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-06 03:25:27,127 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 03:25:27,127 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 03:25:27,194 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472ff0b3-f16d-438a-95c8-036c02b23c66/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 03:25:27,194 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472ff0b3-f16d-438a-95c8-036c02b23c66/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 03:25:27,194 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:25:27,195 INFO L158 Benchmark]: Toolchain (without parser) took 4555.96ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 116.6MB in the beginning and 268.7MB in the end (delta: -152.1MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2024-12-06 03:25:27,195 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:25:27,196 INFO L158 Benchmark]: CACSL2BoogieTranslator took 267.88ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 104.8MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:25:27,196 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.90ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 103.4MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:25:27,196 INFO L158 Benchmark]: Boogie Preprocessor took 26.90ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 102.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:25:27,197 INFO L158 Benchmark]: RCFGBuilder took 386.02ms. Allocated memory is still 142.6MB. Free memory was 102.4MB in the beginning and 84.9MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:25:27,197 INFO L158 Benchmark]: CodeCheck took 3754.29ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 84.9MB in the beginning and 272.7MB in the end (delta: -187.9MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. [2024-12-06 03:25:27,198 INFO L158 Benchmark]: Witness Printer took 77.43ms. Allocated memory is still 302.0MB. Free memory was 272.7MB in the beginning and 268.7MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:25:27,200 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.4s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 237 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 136 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 60 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 220 IncrementalHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 60 mSolverCounterUnsat, 122 mSDtfsCounter, 220 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 646 GetRequests, 597 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 470 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 95 NumberOfCodeBlocks, 95 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 91 ConstructedInterpolants, 0 QuantifiedInterpolants, 480 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 28/30 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - PositiveResult [Line: 13]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 267.88ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 104.8MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.90ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 103.4MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.90ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 102.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 386.02ms. Allocated memory is still 142.6MB. Free memory was 102.4MB in the beginning and 84.9MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 3754.29ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 84.9MB in the beginning and 272.7MB in the end (delta: -187.9MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. * Witness Printer took 77.43ms. Allocated memory is still 302.0MB. Free memory was 272.7MB in the beginning and 268.7MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown expressions could not be backtranslated (possibly during translation to Boogie) - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~a~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~a!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown expressions could not be backtranslated (possibly during translation to Boogie) - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] RESULT: Ultimate proved your program to be correct! [2024-12-06 03:25:27,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472ff0b3-f16d-438a-95c8-036c02b23c66/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE