./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound10.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_d72d098f-3625-46b9-97cb-3f5d4b3d918a/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72d098f-3625-46b9-97cb-3f5d4b3d918a/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_d72d098f-3625-46b9-97cb-3f5d4b3d918a/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72d098f-3625-46b9-97cb-3f5d4b3d918a/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72d098f-3625-46b9-97cb-3f5d4b3d918a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72d098f-3625-46b9-97cb-3f5d4b3d918a/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 32bit --witnessprinter.graph.data.programhash f5913f104892d2161c7fca45f1b4b94f25718ce08a5c1f24a1d3fced8b0f4ce5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:54:32,762 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:54:32,863 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72d098f-3625-46b9-97cb-3f5d4b3d918a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 04:54:32,870 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:54:32,872 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:54:32,906 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:54:32,908 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:54:32,908 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:54:32,909 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:54:32,909 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:54:32,910 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:54:32,910 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:54:32,911 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:54:32,911 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:54:32,911 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:54:32,911 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:54:32,911 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:54:32,911 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:54:32,911 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:54:32,911 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:54:32,911 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:54:32,911 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:54:32,912 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:54:32,912 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:54:32,912 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:54:32,912 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:54:32,912 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:54:32,912 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:54:32,912 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:54:32,912 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:54:32,912 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:54:32,912 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:54:32,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:54:32,913 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_d72d098f-3625-46b9-97cb-3f5d4b3d918a/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f5913f104892d2161c7fca45f1b4b94f25718ce08a5c1f24a1d3fced8b0f4ce5 [2024-11-25 04:54:33,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:54:33,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:54:33,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:54:33,222 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:54:33,222 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:54:33,224 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72d098f-3625-46b9-97cb-3f5d4b3d918a/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound10.c [2024-11-25 04:54:36,269 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72d098f-3625-46b9-97cb-3f5d4b3d918a/bin/ukojak-verify-ENZ3QT5qd3/data/ffdd5f481/cb34d773e7f24710a2d6bed2f718b89d/FLAG2a8760888 [2024-11-25 04:54:36,587 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:54:36,592 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72d098f-3625-46b9-97cb-3f5d4b3d918a/sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound10.c [2024-11-25 04:54:36,607 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72d098f-3625-46b9-97cb-3f5d4b3d918a/bin/ukojak-verify-ENZ3QT5qd3/data/ffdd5f481/cb34d773e7f24710a2d6bed2f718b89d/FLAG2a8760888 [2024-11-25 04:54:36,633 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72d098f-3625-46b9-97cb-3f5d4b3d918a/bin/ukojak-verify-ENZ3QT5qd3/data/ffdd5f481/cb34d773e7f24710a2d6bed2f718b89d [2024-11-25 04:54:36,636 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:54:36,638 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:54:36,640 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:54:36,640 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:54:36,645 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:54:36,646 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:54:36" (1/1) ... [2024-11-25 04:54:36,650 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d17e572 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:36, skipping insertion in model container [2024-11-25 04:54:36,650 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:54:36" (1/1) ... [2024-11-25 04:54:36,665 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:54:36,843 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_d72d098f-3625-46b9-97cb-3f5d4b3d918a/sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound10.c[555,568] [2024-11-25 04:54:36,868 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:54:36,884 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:54:36,896 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_d72d098f-3625-46b9-97cb-3f5d4b3d918a/sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound10.c[555,568] [2024-11-25 04:54:36,905 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:54:36,923 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:54:36,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:36 WrapperNode [2024-11-25 04:54:36,924 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:54:36,925 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:54:36,926 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:54:36,926 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:54:36,938 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:36" (1/1) ... [2024-11-25 04:54:36,945 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:36" (1/1) ... [2024-11-25 04:54:36,964 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2024-11-25 04:54:36,964 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:54:36,965 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:54:36,965 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:54:36,965 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:54:36,973 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:36" (1/1) ... [2024-11-25 04:54:36,974 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:36" (1/1) ... [2024-11-25 04:54:36,977 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:36" (1/1) ... [2024-11-25 04:54:36,977 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:36" (1/1) ... [2024-11-25 04:54:36,984 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:36" (1/1) ... [2024-11-25 04:54:36,985 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:36" (1/1) ... [2024-11-25 04:54:36,988 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:36" (1/1) ... [2024-11-25 04:54:36,989 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:36" (1/1) ... [2024-11-25 04:54:36,991 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:36" (1/1) ... [2024-11-25 04:54:36,992 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:54:36,993 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:54:36,993 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:54:36,993 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:54:36,994 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:36" (1/1) ... [2024-11-25 04:54:37,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:54:37,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72d098f-3625-46b9-97cb-3f5d4b3d918a/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:54:37,029 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72d098f-3625-46b9-97cb-3f5d4b3d918a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:54:37,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72d098f-3625-46b9-97cb-3f5d4b3d918a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:54:37,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:54:37,065 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 04:54:37,065 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 04:54:37,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:54:37,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:54:37,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:54:37,066 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 04:54:37,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 04:54:37,131 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:54:37,133 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:54:37,279 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-25 04:54:37,279 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:54:37,304 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:54:37,304 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 04:54:37,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:54:37 BoogieIcfgContainer [2024-11-25 04:54:37,305 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:54:37,305 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:54:37,306 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:54:37,316 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:54:37,316 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:54:37" (1/1) ... [2024-11-25 04:54:37,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:54:37,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:54:37,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2024-11-25 04:54:37,386 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-11-25 04:54:37,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 04:54:37,392 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:54:37,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:54:37,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:54:37,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:37,559 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 04:54:37,564 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:54:37,667 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:54:37,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:54:37,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2024-11-25 04:54:37,798 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2024-11-25 04:54:37,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:54:37,800 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:54:37,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:54:37,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:54:37,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:37,900 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 04:54:37,903 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:54:38,080 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:54:38,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:54:38,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-11-25 04:54:38,613 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-11-25 04:54:38,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 04:54:38,613 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:54:38,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:54:38,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:54:38,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:54:38,662 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:54:38,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:54:38,695 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-11-25 04:54:38,719 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:54:38 ImpRootNode [2024-11-25 04:54:38,719 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:54:38,719 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:54:38,720 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:54:38,720 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:54:38,720 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:54:37" (3/4) ... [2024-11-25 04:54:38,721 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 04:54:38,763 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 13. [2024-11-25 04:54:38,832 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72d098f-3625-46b9-97cb-3f5d4b3d918a/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 04:54:38,832 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72d098f-3625-46b9-97cb-3f5d4b3d918a/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 04:54:38,833 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:54:38,833 INFO L158 Benchmark]: Toolchain (without parser) took 2195.75ms. Allocated memory is still 117.4MB. Free memory was 94.1MB in the beginning and 69.3MB in the end (delta: 24.8MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2024-11-25 04:54:38,834 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:54:38,834 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.42ms. Allocated memory is still 117.4MB. Free memory was 94.1MB in the beginning and 82.9MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:54:38,834 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.09ms. Allocated memory is still 117.4MB. Free memory was 82.9MB in the beginning and 81.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:54:38,835 INFO L158 Benchmark]: Boogie Preprocessor took 27.42ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 81.0MB in the end (delta: 753.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:54:38,835 INFO L158 Benchmark]: RCFGBuilder took 311.79ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 69.6MB in the end (delta: 11.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:54:38,835 INFO L158 Benchmark]: CodeCheck took 1413.44ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 73.9MB in the end (delta: -4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:54:38,835 INFO L158 Benchmark]: Witness Printer took 113.15ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 69.3MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:54:38,837 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, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 55 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 56 IncrementalHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 26 mSDtfsCounter, 56 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 233 GetRequests, 212 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 78 SizeOfPredicates, 2 NumberOfNonLiveVariables, 114 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 6/7 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: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L23] unsigned int z, k; [L24] long long x, y, c; [L25] z = __VERIFIER_nondet_uint() [L26] CALL assume_abort_if_not(z>=0 && z<=10) VAL [\old(cond)=1] [L13] COND FALSE !(!cond) [L26] RET assume_abort_if_not(z>=0 && z<=10) VAL [z=0] [L27] k = __VERIFIER_nondet_uint() [L28] CALL assume_abort_if_not(k>=0 && k<=10) VAL [\old(cond)=1] [L13] COND FALSE !(!cond) [L28] RET assume_abort_if_not(k>=0 && k<=10) VAL [k=0, z=0] [L30] x = 1 [L31] y = z [L32] c = 1 VAL [c=1, k=0, x=1, y=0, z=0] [L35] CALL __VERIFIER_assert(x*z - x - y + 1 == 0) VAL [\old(cond)=1] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L35] RET __VERIFIER_assert(x*z - x - y + 1 == 0) VAL [c=1, k=0, x=1, y=0, z=0] [L37] COND TRUE !(c < k) VAL [x=1, y=0, z=0] [L46] x = x * (z - 1) VAL [x=4294967295, y=0] [L48] CALL __VERIFIER_assert(1 + x - y == 0) VAL [\old(cond)=0] [L16] COND TRUE !(cond) VAL [\old(cond)=0] [L18] reach_error() VAL [\old(cond)=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.42ms. Allocated memory is still 117.4MB. Free memory was 94.1MB in the beginning and 82.9MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.09ms. Allocated memory is still 117.4MB. Free memory was 82.9MB in the beginning and 81.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.42ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 81.0MB in the end (delta: 753.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 311.79ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 69.6MB in the end (delta: 11.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1413.44ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 73.9MB in the end (delta: -4.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 113.15ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 69.3MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 04:54:38,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72d098f-3625-46b9-97cb-3f5d4b3d918a/bin/ukojak-verify-ENZ3QT5qd3/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