./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound2.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_01d796ca-8dff-4a80-a748-042e9b454284/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d796ca-8dff-4a80-a748-042e9b454284/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_01d796ca-8dff-4a80-a748-042e9b454284/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d796ca-8dff-4a80-a748-042e9b454284/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d796ca-8dff-4a80-a748-042e9b454284/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_01d796ca-8dff-4a80-a748-042e9b454284/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 20ec220633260857bcef71fb1fd6117ea0bc5024ba424be48aac29ebb5368de5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:49:52,966 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:49:53,024 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d796ca-8dff-4a80-a748-042e9b454284/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 22:49:53,029 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:49:53,029 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:49:53,049 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:49:53,050 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:49:53,050 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:49:53,050 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:49:53,051 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:49:53,051 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:49:53,051 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:49:53,051 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:49:53,051 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:49:53,051 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:49:53,051 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:49:53,051 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:49:53,051 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:49:53,051 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:49:53,051 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:49:53,052 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:49:53,052 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:49:53,052 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:49:53,052 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:49:53,052 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:49:53,052 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:49:53,052 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:49:53,052 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:49:53,052 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:49:53,052 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:49:53,052 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:49:53,053 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:49:53,053 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:49:53,053 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_01d796ca-8dff-4a80-a748-042e9b454284/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 -> 20ec220633260857bcef71fb1fd6117ea0bc5024ba424be48aac29ebb5368de5 [2024-12-05 22:49:53,307 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:49:53,317 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:49:53,320 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:49:53,321 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:49:53,322 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:49:53,323 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d796ca-8dff-4a80-a748-042e9b454284/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound2.c [2024-12-05 22:49:56,072 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d796ca-8dff-4a80-a748-042e9b454284/bin/ukojak-verify-CZk0znPC7b/data/d53cc92cc/563b1c53614f4dbeb0b91e23aab2e325/FLAG06836b9f4 [2024-12-05 22:49:56,221 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:49:56,222 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d796ca-8dff-4a80-a748-042e9b454284/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound2.c [2024-12-05 22:49:56,228 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d796ca-8dff-4a80-a748-042e9b454284/bin/ukojak-verify-CZk0znPC7b/data/d53cc92cc/563b1c53614f4dbeb0b91e23aab2e325/FLAG06836b9f4 [2024-12-05 22:49:56,241 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d796ca-8dff-4a80-a748-042e9b454284/bin/ukojak-verify-CZk0znPC7b/data/d53cc92cc/563b1c53614f4dbeb0b91e23aab2e325 [2024-12-05 22:49:56,243 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:49:56,245 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:49:56,246 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:49:56,246 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:49:56,249 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:49:56,250 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:49:56" (1/1) ... [2024-12-05 22:49:56,251 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@568ca621 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:49:56, skipping insertion in model container [2024-12-05 22:49:56,251 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:49:56" (1/1) ... [2024-12-05 22:49:56,261 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:49:56,373 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_01d796ca-8dff-4a80-a748-042e9b454284/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound2.c[524,537] [2024-12-05 22:49:56,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:49:56,397 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:49:56,407 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_01d796ca-8dff-4a80-a748-042e9b454284/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound2.c[524,537] [2024-12-05 22:49:56,413 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:49:56,427 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:49:56,428 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:49:56 WrapperNode [2024-12-05 22:49:56,428 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:49:56,429 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:49:56,429 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:49:56,430 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:49:56,437 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:49:56" (1/1) ... [2024-12-05 22:49:56,443 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:49:56" (1/1) ... [2024-12-05 22:49:56,458 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2024-12-05 22:49:56,459 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:49:56,459 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:49:56,459 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:49:56,459 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:49:56,465 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:49:56" (1/1) ... [2024-12-05 22:49:56,465 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:49:56" (1/1) ... [2024-12-05 22:49:56,466 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:49:56" (1/1) ... [2024-12-05 22:49:56,467 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:49:56" (1/1) ... [2024-12-05 22:49:56,470 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:49:56" (1/1) ... [2024-12-05 22:49:56,471 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:49:56" (1/1) ... [2024-12-05 22:49:56,475 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:49:56" (1/1) ... [2024-12-05 22:49:56,476 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:49:56" (1/1) ... [2024-12-05 22:49:56,477 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:49:56" (1/1) ... [2024-12-05 22:49:56,479 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:49:56,480 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:49:56,480 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:49:56,480 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:49:56,481 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:49:56" (1/1) ... [2024-12-05 22:49:56,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:49:56,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d796ca-8dff-4a80-a748-042e9b454284/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:49:56,510 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d796ca-8dff-4a80-a748-042e9b454284/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:49:56,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d796ca-8dff-4a80-a748-042e9b454284/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:49:56,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:49:56,539 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-05 22:49:56,539 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-05 22:49:56,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:49:56,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:49:56,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:49:56,540 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 22:49:56,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 22:49:56,596 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:49:56,598 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:49:56,730 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-05 22:49:56,730 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:49:56,758 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:49:56,759 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 22:49:56,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:49:56 BoogieIcfgContainer [2024-12-05 22:49:56,759 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:49:56,760 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:49:56,760 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:49:56,773 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:49:56,773 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:49:56" (1/1) ... [2024-12-05 22:49:56,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:49:56,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:49:56,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-12-05 22:49:56,831 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-12-05 22:49:56,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 22:49:56,836 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:49:56,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:49:56,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:49:56,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:49:56,983 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 22:49:56,987 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:49:57,106 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 22:49:57,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:49:57,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2024-12-05 22:49:57,205 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2024-12-05 22:49:57,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-05 22:49:57,206 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:49:57,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:49:57,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:49:57,520 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 22:49:57,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:49:57,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2024-12-05 22:49:57,926 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2024-12-05 22:49:57,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-05 22:49:57,927 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:49:57,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:49:57,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:49:57,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:49:57,985 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-05 22:49:57,987 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:49:58,209 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 22:49:59,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:49:59,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 33 transitions. [2024-12-05 22:49:59,224 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-05 22:49:59,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 22:49:59,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:49:59,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:49:59,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:49:59,525 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-05 22:50:02,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:50:02,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 18 states and 21 transitions. [2024-12-05 22:50:02,188 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-12-05 22:50:02,189 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-05 22:50:02,189 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2024-12-05 22:50:02,198 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-05 22:50:02,438 INFO L77 FloydHoareUtils]: At program point L35-2(lines 35 44) the Hoare annotation is: true [2024-12-05 22:50:02,439 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-05 22:50:02,439 INFO L77 FloydHoareUtils]: At program point L35-3(lines 35 44) the Hoare annotation is: (= (mod (+ (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~z~0#1|) (* 18446744073709551615 |ULTIMATE.start_main_~x~0#1|) 1 (* 18446744073709551615 |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~z~0#1|)) 18446744073709551616) 0) [2024-12-05 22:50:02,439 INFO L77 FloydHoareUtils]: At program point L29(line 29) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~z~0#1| 2) (<= 0 |ULTIMATE.start_main_~z~0#1|)) [2024-12-05 22:50:02,439 INFO L77 FloydHoareUtils]: At program point L29-1(line 29) the Hoare annotation is: (not (and (<= |ULTIMATE.start_main_~z~0#1| 2) (not (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~k~0#1| 2))) (<= 0 |ULTIMATE.start_main_~z~0#1|))) [2024-12-05 22:50:02,439 INFO L77 FloydHoareUtils]: At program point L27(line 27) the Hoare annotation is: true [2024-12-05 22:50:02,439 INFO L77 FloydHoareUtils]: At program point L27-1(line 27) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~z~0#1| 2) (<= 0 |ULTIMATE.start_main_~z~0#1|)) [2024-12-05 22:50:02,439 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-05 22:50:02,440 INFO L77 FloydHoareUtils]: At program point L36(lines 35 44) the Hoare annotation is: (= (mod (+ (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~z~0#1|) (* 18446744073709551615 |ULTIMATE.start_main_~x~0#1|) 1 (* 18446744073709551615 |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~z~0#1|)) 18446744073709551616) 0) [2024-12-05 22:50:02,440 INFO L77 FloydHoareUtils]: At program point L45(line 45) the Hoare annotation is: true [2024-12-05 22:50:02,440 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 11 13) the Hoare annotation is: true [2024-12-05 22:50:02,440 INFO L77 FloydHoareUtils]: At program point assume_abort_if_notEXIT(lines 11 13) the Hoare annotation is: (not (= |assume_abort_if_not_#in~cond| 0)) [2024-12-05 22:50:02,440 INFO L77 FloydHoareUtils]: At program point L16(lines 16 17) the Hoare annotation is: true [2024-12-05 22:50:02,440 INFO L77 FloydHoareUtils]: At program point L15(lines 15 18) the Hoare annotation is: (or (and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 1 __VERIFIER_assert_~cond)) (= __VERIFIER_assert_~cond 0)) [2024-12-05 22:50:02,440 INFO L77 FloydHoareUtils]: At program point L15-2(lines 14 20) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-12-05 22:50:02,440 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 14 20) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-12-05 22:50:02,440 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 14 20) the Hoare annotation is: (not (and (not (= |__VERIFIER_assert_#in~cond| 0)) (< |__VERIFIER_assert_#in~cond| 1))) [2024-12-05 22:50:02,440 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 17) the Hoare annotation is: true [2024-12-05 22:50:02,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:50:02 ImpRootNode [2024-12-05 22:50:02,456 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:50:02,456 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:50:02,456 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:50:02,457 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:50:02,457 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:49:56" (3/4) ... [2024-12-05 22:50:02,459 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-05 22:50:02,461 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-12-05 22:50:02,461 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-12-05 22:50:02,464 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-12-05 22:50:02,464 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-12-05 22:50:02,465 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-05 22:50:02,465 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-05 22:50:02,553 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d796ca-8dff-4a80-a748-042e9b454284/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 22:50:02,553 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d796ca-8dff-4a80-a748-042e9b454284/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 22:50:02,553 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:50:02,554 INFO L158 Benchmark]: Toolchain (without parser) took 6309.49ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 89.5MB in the end (delta: 3.3MB). Peak memory consumption was 64.2MB. Max. memory is 16.1GB. [2024-12-05 22:50:02,554 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:50:02,555 INFO L158 Benchmark]: CACSL2BoogieTranslator took 182.78ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 81.6MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:50:02,555 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.37ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:50:02,555 INFO L158 Benchmark]: Boogie Preprocessor took 19.79ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.6MB in the end (delta: 880.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:50:02,555 INFO L158 Benchmark]: RCFGBuilder took 279.57ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 68.8MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:50:02,556 INFO L158 Benchmark]: CodeCheck took 5695.76ms. Allocated memory is still 117.4MB. Free memory was 68.5MB in the beginning and 36.0MB in the end (delta: 32.5MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2024-12-05 22:50:02,556 INFO L158 Benchmark]: Witness Printer took 97.14ms. Allocated memory is still 117.4MB. Free memory was 36.0MB in the beginning and 89.5MB in the end (delta: -53.4MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2024-12-05 22:50:02,558 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, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.4s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 131 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24 mSDsluCounter, 84 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 115 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 293 IncrementalHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 115 mSolverCounterUnsat, 64 mSDtfsCounter, 293 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 603 GetRequests, 543 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 950 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 236 SizeOfPredicates, 2 NumberOfNonLiveVariables, 120 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 20/25 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - PositiveResult [Line: 17]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 11]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (cond != 0) - ProcedureContractResult [Line: 14]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: ((0 < cond) || (cond == 0)) Ensures: (cond != 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 182.78ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 81.6MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.37ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.79ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.6MB in the end (delta: 880.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 279.57ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 68.8MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 5695.76ms. Allocated memory is still 117.4MB. Free memory was 68.5MB in the beginning and 36.0MB in the end (delta: 32.5MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. * Witness Printer took 97.14ms. Allocated memory is still 117.4MB. Free memory was 36.0MB in the beginning and 89.5MB in the end (delta: -53.4MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-05 22:50:02,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d796ca-8dff-4a80-a748-042e9b454284/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE