./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound2.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_86c04e85-1125-44c3-ad5c-25705dd5bf08/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c04e85-1125-44c3-ad5c-25705dd5bf08/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_86c04e85-1125-44c3-ad5c-25705dd5bf08/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c04e85-1125-44c3-ad5c-25705dd5bf08/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c04e85-1125-44c3-ad5c-25705dd5bf08/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_86c04e85-1125-44c3-ad5c-25705dd5bf08/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 2ad2bfafb2e5236f68c3ecdd808488f9d9b4cfe5e1ccbe679b253d376c8c4674 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:07:21,317 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:07:21,376 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c04e85-1125-44c3-ad5c-25705dd5bf08/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 06:07:21,381 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 06:07:21,381 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 06:07:21,402 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:07:21,403 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 06:07:21,403 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 06:07:21,403 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:07:21,404 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:07:21,404 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:07:21,404 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 06:07:21,404 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 06:07:21,404 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 06:07:21,404 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 06:07:21,404 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:07:21,404 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 06:07:21,404 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:07:21,404 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 06:07:21,404 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 06:07:21,405 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 06:07:21,405 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:07:21,405 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:07:21,405 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:07:21,405 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:07:21,405 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:07:21,405 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:07:21,405 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:07:21,405 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:07:21,405 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:07:21,405 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 06:07:21,405 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 06:07:21,406 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 06:07:21,406 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_86c04e85-1125-44c3-ad5c-25705dd5bf08/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 -> 2ad2bfafb2e5236f68c3ecdd808488f9d9b4cfe5e1ccbe679b253d376c8c4674 [2024-12-06 06:07:21,660 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:07:21,668 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:07:21,671 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:07:21,672 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:07:21,672 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:07:21,673 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c04e85-1125-44c3-ad5c-25705dd5bf08/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound2.c [2024-12-06 06:07:24,337 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c04e85-1125-44c3-ad5c-25705dd5bf08/bin/ukojak-verify-CZk0znPC7b/data/e63bfa3ed/4db71d31c4c14753aaa4695b89fd86a8/FLAG3129a065b [2024-12-06 06:07:24,515 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:07:24,515 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c04e85-1125-44c3-ad5c-25705dd5bf08/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound2.c [2024-12-06 06:07:24,523 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c04e85-1125-44c3-ad5c-25705dd5bf08/bin/ukojak-verify-CZk0znPC7b/data/e63bfa3ed/4db71d31c4c14753aaa4695b89fd86a8/FLAG3129a065b [2024-12-06 06:07:24,548 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c04e85-1125-44c3-ad5c-25705dd5bf08/bin/ukojak-verify-CZk0znPC7b/data/e63bfa3ed/4db71d31c4c14753aaa4695b89fd86a8 [2024-12-06 06:07:24,551 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:07:24,552 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:07:24,553 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:07:24,554 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:07:24,558 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:07:24,559 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:07:24" (1/1) ... [2024-12-06 06:07:24,560 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78e22700 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:07:24, skipping insertion in model container [2024-12-06 06:07:24,560 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:07:24" (1/1) ... [2024-12-06 06:07:24,572 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:07:24,705 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_86c04e85-1125-44c3-ad5c-25705dd5bf08/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound2.c[525,538] [2024-12-06 06:07:24,721 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:07:24,730 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:07:24,740 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_86c04e85-1125-44c3-ad5c-25705dd5bf08/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound2.c[525,538] [2024-12-06 06:07:24,745 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:07:24,760 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:07:24,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:07:24 WrapperNode [2024-12-06 06:07:24,761 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:07:24,762 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:07:24,762 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:07:24,763 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:07:24,770 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:07:24" (1/1) ... [2024-12-06 06:07:24,776 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:07:24" (1/1) ... [2024-12-06 06:07:24,792 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2024-12-06 06:07:24,792 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:07:24,792 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:07:24,793 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:07:24,793 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:07:24,800 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:07:24" (1/1) ... [2024-12-06 06:07:24,800 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:07:24" (1/1) ... [2024-12-06 06:07:24,801 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:07:24" (1/1) ... [2024-12-06 06:07:24,801 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:07:24" (1/1) ... [2024-12-06 06:07:24,804 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:07:24" (1/1) ... [2024-12-06 06:07:24,805 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:07:24" (1/1) ... [2024-12-06 06:07:24,808 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:07:24" (1/1) ... [2024-12-06 06:07:24,809 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:07:24" (1/1) ... [2024-12-06 06:07:24,809 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:07:24" (1/1) ... [2024-12-06 06:07:24,811 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:07:24,811 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:07:24,811 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:07:24,811 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:07:24,812 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:07:24" (1/1) ... [2024-12-06 06:07:24,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:07:24,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c04e85-1125-44c3-ad5c-25705dd5bf08/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:07:24,843 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c04e85-1125-44c3-ad5c-25705dd5bf08/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:07:24,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c04e85-1125-44c3-ad5c-25705dd5bf08/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:07:24,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:07:24,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 06:07:24,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:07:24,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:07:24,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 06:07:24,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 06:07:24,931 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:07:24,933 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:07:25,034 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-06 06:07:25,034 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:07:25,052 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:07:25,052 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 06:07:25,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:07:25 BoogieIcfgContainer [2024-12-06 06:07:25,053 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:07:25,053 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:07:25,053 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:07:25,061 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:07:25,061 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:07:25" (1/1) ... [2024-12-06 06:07:25,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:07:25,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:07:25,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-12-06 06:07:25,119 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-12-06 06:07:25,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 06:07:25,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:07:25,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:07:25,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:07:25,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:07:25,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:07:25,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-12-06 06:07:25,240 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-12-06 06:07:25,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 06:07:25,241 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:07:25,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:07:25,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:07:25,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:07:25,294 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 06:07:25,299 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:07:25,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:07:25,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:07:25,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-12-06 06:07:25,449 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-12-06 06:07:25,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 06:07:25,450 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:07:25,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:07:25,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:07:25,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:07:25,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:07:25,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-12-06 06:07:25,727 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-12-06 06:07:25,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 06:07:25,728 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:07:25,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:07:25,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:07:25,981 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:07:26,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:07:26,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2024-12-06 06:07:26,395 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-12-06 06:07:26,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 06:07:26,395 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:07:26,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:07:26,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:07:26,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:07:26,451 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 06:07:26,453 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:07:26,538 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:07:27,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:07:27,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2024-12-06 06:07:27,191 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2024-12-06 06:07:27,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 06:07:27,192 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:07:27,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:07:27,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:07:27,448 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 06:07:30,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:07:30,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2024-12-06 06:07:30,357 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-12-06 06:07:30,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 06:07:30,357 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:07:30,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:07:30,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:07:30,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:07:30,413 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-06 06:07:30,415 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:07:30,837 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 06:08:02,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 06:08:14,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 06:08:15,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:08:15,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 42 states and 70 transitions. [2024-12-06 06:08:15,092 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 70 transitions. [2024-12-06 06:08:15,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-06 06:08:15,093 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:08:15,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:08:15,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:08:15,402 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 33 proven. 11 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-06 06:08:15,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:08:15,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 33 states and 48 transitions. [2024-12-06 06:08:15,949 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 48 transitions. [2024-12-06 06:08:15,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-06 06:08:15,949 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:08:15,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:08:15,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:08:16,133 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 32 proven. 8 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-06 06:08:17,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:08:17,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 24 states and 34 transitions. [2024-12-06 06:08:17,071 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2024-12-06 06:08:17,071 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 06:08:17,071 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2024-12-06 06:08:17,076 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 06:08:23,517 WARN L286 SmtUtils]: Spent 6.05s on a formula simplification. DAG size of input: 46 DAG size of output: 13 (called from [L 622] de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.computeHoareAnnotation) [2024-12-06 06:08:23,520 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 06:08:23,520 INFO L77 FloydHoareUtils]: At program point L44(line 44) the Hoare annotation is: true [2024-12-06 06:08:23,520 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 06:08:23,521 INFO L77 FloydHoareUtils]: At program point L34-1(lines 34 43) the Hoare annotation is: (or (not (= |ULTIMATE.start_main_#t~post6#1| 0)) (not (and (= |ULTIMATE.start_main_~x~0#1| 1) (= |ULTIMATE.start_main_~y~0#1| 1))) (and (<= |ULTIMATE.start_main_~z~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_main_~z~0#1| 2147483648)) (<= 1 ~counter~0))) [2024-12-06 06:08:23,521 INFO L77 FloydHoareUtils]: At program point L34-2(lines 34 43) the Hoare annotation is: true [2024-12-06 06:08:23,521 INFO L77 FloydHoareUtils]: At program point L34-4(lines 34 43) the Hoare annotation is: (not (and (not (and (<= |ULTIMATE.start_main_~z~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_main_~z~0#1| 2147483648)))) (= |ULTIMATE.start_main_~x~0#1| 1) (= |ULTIMATE.start_main_~y~0#1| 1) (= ~counter~0 0))) [2024-12-06 06:08:23,521 INFO L77 FloydHoareUtils]: At program point L34-5(lines 34 43) the Hoare annotation is: true [2024-12-06 06:08:23,521 INFO L77 FloydHoareUtils]: At program point L35(lines 34 43) 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) [2024-12-06 06:08:23,521 INFO L77 FloydHoareUtils]: At program point L16(lines 16 17) the Hoare annotation is: true [2024-12-06 06:08:23,521 INFO L77 FloydHoareUtils]: At program point L15(lines 15 18) the Hoare annotation is: (or (= __VERIFIER_assert_~cond 0) (and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (= __VERIFIER_assert_~cond 1))) [2024-12-06 06:08:23,521 INFO L77 FloydHoareUtils]: At program point L15-2(lines 14 20) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-12-06 06:08:23,521 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 14 20) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-12-06 06:08:23,522 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 14 20) the Hoare annotation is: (not (and (not (= |__VERIFIER_assert_#in~cond| 0)) (not (= |__VERIFIER_assert_#in~cond| 1)))) [2024-12-06 06:08:23,522 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 17) the Hoare annotation is: true [2024-12-06 06:08:23,536 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 06:08:23 ImpRootNode [2024-12-06 06:08:23,536 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 06:08:23,537 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 06:08:23,537 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 06:08:23,537 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 06:08:23,538 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:07:25" (3/4) ... [2024-12-06 06:08:23,540 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 06:08:23,543 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-12-06 06:08:23,545 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-12-06 06:08:23,546 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-06 06:08:23,546 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 06:08:23,546 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 06:08:23,616 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c04e85-1125-44c3-ad5c-25705dd5bf08/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 06:08:23,616 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c04e85-1125-44c3-ad5c-25705dd5bf08/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 06:08:23,616 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 06:08:23,617 INFO L158 Benchmark]: Toolchain (without parser) took 59064.97ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 39.0MB in the end (delta: 80.0MB). Peak memory consumption was 73.3MB. Max. memory is 16.1GB. [2024-12-06 06:08:23,617 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:08:23,618 INFO L158 Benchmark]: CACSL2BoogieTranslator took 208.29ms. Allocated memory is still 142.6MB. Free memory was 118.7MB in the beginning and 107.6MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:08:23,618 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.64ms. Allocated memory is still 142.6MB. Free memory was 107.6MB in the beginning and 106.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:08:23,618 INFO L158 Benchmark]: Boogie Preprocessor took 18.14ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 105.7MB in the end (delta: 806.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:08:23,618 INFO L158 Benchmark]: RCFGBuilder took 241.67ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 95.0MB in the end (delta: 10.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 06:08:23,619 INFO L158 Benchmark]: CodeCheck took 58483.02ms. Allocated memory is still 142.6MB. Free memory was 95.0MB in the beginning and 44.4MB in the end (delta: 50.6MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. [2024-12-06 06:08:23,619 INFO L158 Benchmark]: Witness Printer took 79.34ms. Allocated memory is still 142.6MB. Free memory was 44.4MB in the beginning and 39.0MB in the end (delta: 5.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:08:23,621 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 52.0s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 323 SdHoareTripleChecker+Valid, 11.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 134 mSDsluCounter, 408 SdHoareTripleChecker+Invalid, 11.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 205 mSDsCounter, 352 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 901 IncrementalHoareTripleChecker+Invalid, 1253 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 352 mSolverCounterUnsat, 203 mSDtfsCounter, 901 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1389 GetRequests, 1212 SyntacticMatches, 33 SemanticMatches, 144 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8663 ImplicationChecksByTransitivity, 46.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 172 NumberOfCodeBlocks, 172 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 163 ConstructedInterpolants, 0 QuantifiedInterpolants, 576 SizeOfPredicates, 3 NumberOfNonLiveVariables, 204 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 136/173 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 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: !(((!((z <= 2147483647) && (0 <= (z + 2147483648))) && (x == 1)) && (y == 1)) && (counter == 0)) - ProcedureContractResult [Line: 14]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: ((cond == 0) || (cond == 1)) Ensures: ((cond != 0) && (counter == \old(counter))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 208.29ms. Allocated memory is still 142.6MB. Free memory was 118.7MB in the beginning and 107.6MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.64ms. Allocated memory is still 142.6MB. Free memory was 107.6MB in the beginning and 106.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.14ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 105.7MB in the end (delta: 806.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 241.67ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 95.0MB in the end (delta: 10.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 58483.02ms. Allocated memory is still 142.6MB. Free memory was 95.0MB in the beginning and 44.4MB in the end (delta: 50.6MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. * Witness Printer took 79.34ms. Allocated memory is still 142.6MB. Free memory was 44.4MB in the beginning and 39.0MB in the end (delta: 5.3MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 06:08:23,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c04e85-1125-44c3-ad5c-25705dd5bf08/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