./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound50.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_0d3ca89a-be66-48c4-9d0e-667ac7130f09/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ca89a-be66-48c4-9d0e-667ac7130f09/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_0d3ca89a-be66-48c4-9d0e-667ac7130f09/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ca89a-be66-48c4-9d0e-667ac7130f09/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ca89a-be66-48c4-9d0e-667ac7130f09/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_0d3ca89a-be66-48c4-9d0e-667ac7130f09/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 723aed7c6af9907461d888a0eb388471854734314795d458b92dbfffd3df1c21 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:44:26,888 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:44:26,940 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ca89a-be66-48c4-9d0e-667ac7130f09/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 00:44:26,944 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:44:26,945 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:44:26,963 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:44:26,964 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:44:26,964 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:44:26,965 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:44:26,965 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:44:26,965 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:44:26,965 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:44:26,965 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:44:26,965 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:44:26,966 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:44:26,966 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:44:26,966 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:44:26,966 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:44:26,966 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:44:26,966 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:44:26,966 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:44:26,966 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:44:26,966 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:44:26,966 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:44:26,966 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:44:26,967 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:44:26,967 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:44:26,967 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:44:26,967 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:44:26,967 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:44:26,967 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:44:26,967 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:44:26,967 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:44:26,967 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_0d3ca89a-be66-48c4-9d0e-667ac7130f09/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 -> 723aed7c6af9907461d888a0eb388471854734314795d458b92dbfffd3df1c21 [2024-12-06 00:44:27,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:44:27,195 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:44:27,197 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:44:27,198 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:44:27,198 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:44:27,199 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ca89a-be66-48c4-9d0e-667ac7130f09/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound50.c [2024-12-06 00:44:29,836 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ca89a-be66-48c4-9d0e-667ac7130f09/bin/ukojak-verify-CZk0znPC7b/data/ad17f56d9/13fd9f3d463f40db80b989409ac3a00c/FLAGdc0af9aa5 [2024-12-06 00:44:30,048 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:44:30,048 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ca89a-be66-48c4-9d0e-667ac7130f09/sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound50.c [2024-12-06 00:44:30,055 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ca89a-be66-48c4-9d0e-667ac7130f09/bin/ukojak-verify-CZk0znPC7b/data/ad17f56d9/13fd9f3d463f40db80b989409ac3a00c/FLAGdc0af9aa5 [2024-12-06 00:44:30,415 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ca89a-be66-48c4-9d0e-667ac7130f09/bin/ukojak-verify-CZk0znPC7b/data/ad17f56d9/13fd9f3d463f40db80b989409ac3a00c [2024-12-06 00:44:30,417 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:44:30,419 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:44:30,420 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:44:30,420 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:44:30,423 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:44:30,423 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:44:30" (1/1) ... [2024-12-06 00:44:30,424 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51ea3241 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:30, skipping insertion in model container [2024-12-06 00:44:30,424 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:44:30" (1/1) ... [2024-12-06 00:44:30,434 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:44:30,532 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_0d3ca89a-be66-48c4-9d0e-667ac7130f09/sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound50.c[554,567] [2024-12-06 00:44:30,544 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:44:30,550 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:44:30,558 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_0d3ca89a-be66-48c4-9d0e-667ac7130f09/sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound50.c[554,567] [2024-12-06 00:44:30,563 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:44:30,572 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:44:30,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:30 WrapperNode [2024-12-06 00:44:30,573 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:44:30,573 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:44:30,573 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:44:30,573 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:44:30,578 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:30" (1/1) ... [2024-12-06 00:44:30,582 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:30" (1/1) ... [2024-12-06 00:44:30,591 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2024-12-06 00:44:30,591 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:44:30,592 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:44:30,592 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:44:30,592 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:44:30,596 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:30" (1/1) ... [2024-12-06 00:44:30,596 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:30" (1/1) ... [2024-12-06 00:44:30,597 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:30" (1/1) ... [2024-12-06 00:44:30,597 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:30" (1/1) ... [2024-12-06 00:44:30,599 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:30" (1/1) ... [2024-12-06 00:44:30,599 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:30" (1/1) ... [2024-12-06 00:44:30,601 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:30" (1/1) ... [2024-12-06 00:44:30,602 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:30" (1/1) ... [2024-12-06 00:44:30,602 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:30" (1/1) ... [2024-12-06 00:44:30,603 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:44:30,603 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:44:30,603 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:44:30,603 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:44:30,604 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:30" (1/1) ... [2024-12-06 00:44:30,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:44:30,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ca89a-be66-48c4-9d0e-667ac7130f09/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:44:30,631 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ca89a-be66-48c4-9d0e-667ac7130f09/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:44:30,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ca89a-be66-48c4-9d0e-667ac7130f09/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:44:30,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:44:30,659 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 00:44:30,659 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 00:44:30,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:44:30,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:44:30,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:44:30,660 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 00:44:30,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 00:44:30,711 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:44:30,713 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:44:30,816 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-06 00:44:30,816 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:44:30,839 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:44:30,840 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 00:44:30,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:44:30 BoogieIcfgContainer [2024-12-06 00:44:30,840 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:44:30,841 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:44:30,841 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:44:30,848 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:44:30,848 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:44:30" (1/1) ... [2024-12-06 00:44:30,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:44:30,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:44:30,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2024-12-06 00:44:30,894 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-12-06 00:44:30,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 00:44:30,898 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:44:30,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:44:30,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:44:31,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:31,017 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:44:31,023 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:44:31,139 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:44:31,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:44:31,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2024-12-06 00:44:31,240 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2024-12-06 00:44:31,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 00:44:31,241 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:44:31,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:44:31,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:44:31,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:31,307 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:44:31,309 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:44:31,411 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 00:44:31,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:44:31,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 00:44:31,796 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 00:44:31,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 00:44:31,797 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:44:31,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:44:31,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:44:31,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:44:31,848 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:44:31,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:44:31,872 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-12-06 00:44:31,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:44:31 ImpRootNode [2024-12-06 00:44:31,890 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:44:31,891 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:44:31,891 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:44:31,891 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:44:31,892 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:44:30" (3/4) ... [2024-12-06 00:44:31,892 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 00:44:31,921 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 13. [2024-12-06 00:44:31,961 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ca89a-be66-48c4-9d0e-667ac7130f09/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 00:44:31,961 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ca89a-be66-48c4-9d0e-667ac7130f09/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 00:44:31,961 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:44:31,962 INFO L158 Benchmark]: Toolchain (without parser) took 1543.44ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 95.8MB in the end (delta: 21.6MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2024-12-06 00:44:31,963 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory was 83.6MB in the beginning and 83.6MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:44:31,963 INFO L158 Benchmark]: CACSL2BoogieTranslator took 153.11ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 106.1MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:44:31,963 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.14ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 105.1MB in the end (delta: 998.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:44:31,964 INFO L158 Benchmark]: Boogie Preprocessor took 11.09ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 104.3MB in the end (delta: 620.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:44:31,964 INFO L158 Benchmark]: RCFGBuilder took 236.84ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 92.9MB in the end (delta: 11.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 00:44:31,964 INFO L158 Benchmark]: CodeCheck took 1049.46ms. Allocated memory is still 142.6MB. Free memory was 92.9MB in the beginning and 100.6MB in the end (delta: -7.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:44:31,964 INFO L158 Benchmark]: Witness Printer took 70.45ms. Allocated memory is still 142.6MB. Free memory was 100.6MB in the beginning and 95.8MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:44:31,966 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: 1.0s, 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, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.1s 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, 210 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 3 NumberOfNonLiveVariables, 114 ConjunctsInSsa, 24 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] unsigned long long x, y, c; [L25] z = __VERIFIER_nondet_uint() [L26] CALL assume_abort_if_not(z>=0 && z<=50) VAL [\old(cond)=1] [L13] COND FALSE !(!cond) [L26] RET assume_abort_if_not(z>=0 && z<=50) VAL [z=0] [L27] k = __VERIFIER_nondet_uint() [L28] CALL assume_abort_if_not(k>=0 && k<=50) VAL [\old(cond)=1] [L13] COND FALSE !(!cond) [L28] RET assume_abort_if_not(k>=0 && k<=50) 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 0.27ms. Allocated memory is still 142.6MB. Free memory was 83.6MB in the beginning and 83.6MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 153.11ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 106.1MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.14ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 105.1MB in the end (delta: 998.3kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 11.09ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 104.3MB in the end (delta: 620.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 236.84ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 92.9MB in the end (delta: 11.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1049.46ms. Allocated memory is still 142.6MB. Free memory was 92.9MB in the beginning and 100.6MB in the end (delta: -7.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 70.45ms. Allocated memory is still 142.6MB. Free memory was 100.6MB in the beginning and 95.8MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 00:44:31,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ca89a-be66-48c4-9d0e-667ac7130f09/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