./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops-crafted-1/nested3-2_abstracted.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_e4ece8f5-b130-4c92-8f85-85232554cdcd/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ece8f5-b130-4c92-8f85-85232554cdcd/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_e4ece8f5-b130-4c92-8f85-85232554cdcd/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ece8f5-b130-4c92-8f85-85232554cdcd/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/loops-crafted-1/nested3-2_abstracted.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ece8f5-b130-4c92-8f85-85232554cdcd/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_e4ece8f5-b130-4c92-8f85-85232554cdcd/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 d76e796105c1d35b11eef95fec820f9bea85a1e845abd1567e15743f74522bc9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:58:32,337 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:58:32,390 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ece8f5-b130-4c92-8f85-85232554cdcd/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 21:58:32,394 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:58:32,394 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:58:32,413 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:58:32,413 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:58:32,413 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:58:32,414 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:58:32,414 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:58:32,414 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:58:32,414 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:58:32,414 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 21:58:32,414 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:58:32,414 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 21:58:32,414 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:58:32,414 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:58:32,415 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:58:32,415 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:58:32,415 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 21:58:32,415 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:58:32,415 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:58:32,415 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:58:32,415 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:58:32,415 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:58:32,415 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:58:32,415 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:58:32,415 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:58:32,416 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:58:32,416 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:58:32,416 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:58:32,416 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:58:32,416 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:58:32,416 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_e4ece8f5-b130-4c92-8f85-85232554cdcd/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 -> d76e796105c1d35b11eef95fec820f9bea85a1e845abd1567e15743f74522bc9 [2024-12-05 21:58:32,638 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:58:32,646 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:58:32,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:58:32,649 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:58:32,649 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:58:32,650 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ece8f5-b130-4c92-8f85-85232554cdcd/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/loops-crafted-1/nested3-2_abstracted.c [2024-12-05 21:58:35,267 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ece8f5-b130-4c92-8f85-85232554cdcd/bin/ukojak-verify-CZk0znPC7b/data/7a48f3c9e/daace9cdfa73474093603f17c6c695d9/FLAGeb68fab6a [2024-12-05 21:58:35,458 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:58:35,458 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ece8f5-b130-4c92-8f85-85232554cdcd/sv-benchmarks/c/loops-crafted-1/nested3-2_abstracted.c [2024-12-05 21:58:35,464 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ece8f5-b130-4c92-8f85-85232554cdcd/bin/ukojak-verify-CZk0znPC7b/data/7a48f3c9e/daace9cdfa73474093603f17c6c695d9/FLAGeb68fab6a [2024-12-05 21:58:35,853 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ece8f5-b130-4c92-8f85-85232554cdcd/bin/ukojak-verify-CZk0znPC7b/data/7a48f3c9e/daace9cdfa73474093603f17c6c695d9 [2024-12-05 21:58:35,854 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:58:35,855 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:58:35,856 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:58:35,856 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:58:35,859 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:58:35,860 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:58:35" (1/1) ... [2024-12-05 21:58:35,860 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38efcfa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:58:35, skipping insertion in model container [2024-12-05 21:58:35,860 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:58:35" (1/1) ... [2024-12-05 21:58:35,871 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:58:35,997 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_e4ece8f5-b130-4c92-8f85-85232554cdcd/sv-benchmarks/c/loops-crafted-1/nested3-2_abstracted.c[739,752] [2024-12-05 21:58:36,014 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:58:36,023 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:58:36,032 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_e4ece8f5-b130-4c92-8f85-85232554cdcd/sv-benchmarks/c/loops-crafted-1/nested3-2_abstracted.c[739,752] [2024-12-05 21:58:36,037 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:58:36,050 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:58:36,050 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:58:36 WrapperNode [2024-12-05 21:58:36,051 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:58:36,052 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:58:36,052 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:58:36,052 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:58:36,058 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:58:36" (1/1) ... [2024-12-05 21:58:36,063 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:58:36" (1/1) ... [2024-12-05 21:58:36,076 INFO L138 Inliner]: procedures = 20, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 41 [2024-12-05 21:58:36,076 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:58:36,077 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:58:36,077 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:58:36,077 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:58:36,081 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:58:36" (1/1) ... [2024-12-05 21:58:36,082 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:58:36" (1/1) ... [2024-12-05 21:58:36,082 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:58:36" (1/1) ... [2024-12-05 21:58:36,082 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:58:36" (1/1) ... [2024-12-05 21:58:36,084 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:58:36" (1/1) ... [2024-12-05 21:58:36,085 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:58:36" (1/1) ... [2024-12-05 21:58:36,088 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:58:36" (1/1) ... [2024-12-05 21:58:36,089 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:58:36" (1/1) ... [2024-12-05 21:58:36,089 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:58:36" (1/1) ... [2024-12-05 21:58:36,090 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:58:36,091 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:58:36,091 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:58:36,091 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:58:36,092 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:58:36" (1/1) ... [2024-12-05 21:58:36,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:58:36,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ece8f5-b130-4c92-8f85-85232554cdcd/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:58:36,117 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ece8f5-b130-4c92-8f85-85232554cdcd/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:58:36,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ece8f5-b130-4c92-8f85-85232554cdcd/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:58:36,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:58:36,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 21:58:36,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:58:36,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:58:36,139 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 21:58:36,139 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 21:58:36,182 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:58:36,183 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:58:36,278 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-05 21:58:36,279 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:58:36,313 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:58:36,313 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 21:58:36,313 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:58:36 BoogieIcfgContainer [2024-12-05 21:58:36,313 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:58:36,314 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:58:36,314 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:58:36,322 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:58:36,323 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:58:36" (1/1) ... [2024-12-05 21:58:36,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:58:36,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:58:36,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2024-12-05 21:58:36,379 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2024-12-05 21:58:36,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 21:58:36,383 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:58:36,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:58:36,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:58:36,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:58:36,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:58:36,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-12-05 21:58:36,582 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-12-05 21:58:36,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 21:58:36,582 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:58:36,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:58:36,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:58:36,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:58:36,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:58:36,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2024-12-05 21:58:36,683 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-12-05 21:58:36,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 21:58:36,683 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:58:36,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:58:36,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:58:36,692 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:58:36,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:58:36,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:58:36,731 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:58:36,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:58:36,745 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-12-05 21:58:36,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 09:58:36 ImpRootNode [2024-12-05 21:58:36,764 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 21:58:36,764 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 21:58:36,765 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 21:58:36,765 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 21:58:36,765 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:58:36" (3/4) ... [2024-12-05 21:58:36,766 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-05 21:58:36,791 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 6. [2024-12-05 21:58:36,828 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ece8f5-b130-4c92-8f85-85232554cdcd/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 21:58:36,828 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ece8f5-b130-4c92-8f85-85232554cdcd/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 21:58:36,828 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 21:58:36,829 INFO L158 Benchmark]: Toolchain (without parser) took 973.41ms. Allocated memory is still 117.4MB. Free memory was 93.7MB in the beginning and 41.7MB in the end (delta: 52.0MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-12-05 21:58:36,829 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:58:36,830 INFO L158 Benchmark]: CACSL2BoogieTranslator took 194.76ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 82.5MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:58:36,830 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.89ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 81.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:58:36,830 INFO L158 Benchmark]: Boogie Preprocessor took 13.65ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 80.6MB in the end (delta: 567.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:58:36,831 INFO L158 Benchmark]: RCFGBuilder took 222.08ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 69.0MB in the end (delta: 11.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 21:58:36,831 INFO L158 Benchmark]: CodeCheck took 450.04ms. Allocated memory is still 117.4MB. Free memory was 69.0MB in the beginning and 45.9MB in the end (delta: 23.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-05 21:58:36,831 INFO L158 Benchmark]: Witness Printer took 63.85ms. Allocated memory is still 117.4MB. Free memory was 45.7MB in the beginning and 41.7MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:58:36,833 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 2 procedures, 16 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 33 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19 IncrementalHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 17 mSDtfsCounter, 19 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 92 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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 - CounterExampleResult [Line: 17]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L24] unsigned int x = 0; [L25] unsigned int y = 0; [L26] unsigned int z = 0; [L27] unsigned int w = 0; VAL [x=0] [L29] COND TRUE x < 0x0fffffff [L30] y = 0 VAL [x=0, y=0] [L32] COND TRUE y < 0x0fffffff [L33] z =0 [L35] COND TRUE z < (268435455) [L36] long long int z__VERIFIER_LA_tmp0; [L37] z__VERIFIER_LA_tmp0 = z [L38] long long int __VERIFIER_LA_iterations0; [L39] __VERIFIER_LA_iterations0 = (268435455 - z__VERIFIER_LA_tmp0) / 1L [L40] unsigned int z__VERIFIER_LA_old_tmp0; [L41] z__VERIFIER_LA_old_tmp0 = z [L42] z = (__VERIFIER_LA_iterations0 * 1L) + z__VERIFIER_LA_old_tmp0 [L45] CALL __VERIFIER_assert(!(z % 4)) VAL [\old(cond)=0] [L16] COND TRUE !(cond) VAL [\old(cond)=0] [L17] reach_error() VAL [\old(cond)=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 194.76ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 82.5MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.89ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 81.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 13.65ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 80.6MB in the end (delta: 567.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 222.08ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 69.0MB in the end (delta: 11.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 450.04ms. Allocated memory is still 117.4MB. Free memory was 69.0MB in the beginning and 45.9MB in the end (delta: 23.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 63.85ms. Allocated memory is still 117.4MB. Free memory was 45.7MB in the beginning and 41.7MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-05 21:58:36,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ece8f5-b130-4c92-8f85-85232554cdcd/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE