./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61416e2c-8819-493e-9f01-8a27c55af1d7/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61416e2c-8819-493e-9f01-8a27c55af1d7/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61416e2c-8819-493e-9f01-8a27c55af1d7/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61416e2c-8819-493e-9f01-8a27c55af1d7/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61416e2c-8819-493e-9f01-8a27c55af1d7/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61416e2c-8819-493e-9f01-8a27c55af1d7/bin/ukojak-verify-EEHR8qb7sm --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 ea97fe631de3abcfa1030cdb800e2845e2e97a42347e391a7c9fd401d3d0b815 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:13:25,089 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:13:25,186 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61416e2c-8819-493e-9f01-8a27c55af1d7/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 23:13:25,190 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:13:25,191 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:13:25,215 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:13:25,216 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:13:25,217 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:13:25,217 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:13:25,217 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:13:25,217 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:13:25,218 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:13:25,218 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:13:25,218 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:13:25,218 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:13:25,218 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:13:25,218 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:13:25,218 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:13:25,221 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:13:25,221 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:13:25,221 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:13:25,221 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:13:25,221 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:13:25,221 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:13:25,222 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:13:25,222 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:13:25,222 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:13:25,222 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:13:25,222 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:13:25,222 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:13:25,222 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:13:25,222 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:13:25,222 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:13:25,222 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_61416e2c-8819-493e-9f01-8a27c55af1d7/bin/ukojak-verify-EEHR8qb7sm 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 -> ea97fe631de3abcfa1030cdb800e2845e2e97a42347e391a7c9fd401d3d0b815 [2024-11-13 23:13:25,543 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:13:25,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:13:25,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:13:25,564 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:13:25,564 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:13:25,565 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61416e2c-8819-493e-9f01-8a27c55af1d7/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound1.i Unable to find full path for "g++" [2024-11-13 23:13:27,483 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:13:27,701 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:13:27,703 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61416e2c-8819-493e-9f01-8a27c55af1d7/sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound1.i [2024-11-13 23:13:27,710 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61416e2c-8819-493e-9f01-8a27c55af1d7/bin/ukojak-verify-EEHR8qb7sm/data/69670d4a0/09114b1412214cac87ffd8a87f0f883b/FLAG8571f9b24 [2024-11-13 23:13:27,725 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61416e2c-8819-493e-9f01-8a27c55af1d7/bin/ukojak-verify-EEHR8qb7sm/data/69670d4a0/09114b1412214cac87ffd8a87f0f883b [2024-11-13 23:13:27,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:13:27,729 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:13:27,730 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:13:27,730 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:13:27,734 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:13:27,735 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:13:27" (1/1) ... [2024-11-13 23:13:27,736 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c351f30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:13:27, skipping insertion in model container [2024-11-13 23:13:27,737 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:13:27" (1/1) ... [2024-11-13 23:13:27,752 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:13:27,907 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_61416e2c-8819-493e-9f01-8a27c55af1d7/sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound1.i[950,963] [2024-11-13 23:13:27,935 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:13:27,947 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:13:27,959 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_61416e2c-8819-493e-9f01-8a27c55af1d7/sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound1.i[950,963] [2024-11-13 23:13:27,971 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:13:27,991 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:13:27,991 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:13:27 WrapperNode [2024-11-13 23:13:27,992 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:13:27,993 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:13:27,993 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:13:27,993 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:13:28,000 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:13:27" (1/1) ... [2024-11-13 23:13:28,011 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:13:27" (1/1) ... [2024-11-13 23:13:28,030 INFO L138 Inliner]: procedures = 16, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 46 [2024-11-13 23:13:28,031 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:13:28,032 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:13:28,033 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:13:28,033 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:13:28,040 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:13:27" (1/1) ... [2024-11-13 23:13:28,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:13:27" (1/1) ... [2024-11-13 23:13:28,047 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:13:27" (1/1) ... [2024-11-13 23:13:28,047 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:13:27" (1/1) ... [2024-11-13 23:13:28,054 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:13:27" (1/1) ... [2024-11-13 23:13:28,058 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:13:27" (1/1) ... [2024-11-13 23:13:28,062 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:13:27" (1/1) ... [2024-11-13 23:13:28,062 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:13:27" (1/1) ... [2024-11-13 23:13:28,064 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:13:28,065 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:13:28,065 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:13:28,065 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:13:28,066 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:13:27" (1/1) ... [2024-11-13 23:13:28,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:13:28,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61416e2c-8819-493e-9f01-8a27c55af1d7/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:13:28,106 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61416e2c-8819-493e-9f01-8a27c55af1d7/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:13:28,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61416e2c-8819-493e-9f01-8a27c55af1d7/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:13:28,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:13:28,145 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 23:13:28,145 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 23:13:28,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:13:28,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:13:28,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:13:28,146 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 23:13:28,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 23:13:28,213 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:13:28,215 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:13:28,386 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-13 23:13:28,387 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:13:28,429 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:13:28,429 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 23:13:28,429 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:13:28 BoogieIcfgContainer [2024-11-13 23:13:28,430 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:13:28,430 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:13:28,431 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:13:28,439 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:13:28,439 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:13:28" (1/1) ... [2024-11-13 23:13:28,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:13:28,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:13:28,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2024-11-13 23:13:28,501 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2024-11-13 23:13:28,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 23:13:28,506 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:13:28,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:13:28,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:28,714 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 23:13:28,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:13:28,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2024-11-13 23:13:28,768 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2024-11-13 23:13:28,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 23:13:28,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:13:28,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:13:28,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:13:28,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:28,896 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 23:13:28,903 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:13:29,225 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-13 23:13:29,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:13:29,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 36 transitions. [2024-11-13 23:13:29,556 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2024-11-13 23:13:29,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 23:13:29,558 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:13:29,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:13:29,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:30,024 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 23:13:30,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:13:30,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 34 transitions. [2024-11-13 23:13:30,573 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2024-11-13 23:13:30,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 23:13:30,574 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:13:30,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:13:30,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:31,261 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 23:13:32,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:13:32,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 32 states and 45 transitions. [2024-11-13 23:13:32,664 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2024-11-13 23:13:32,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 23:13:32,666 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:13:32,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:13:32,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:13:32,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:32,853 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 23:13:32,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:13:33,590 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-13 23:13:38,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:13:38,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 37 states and 52 transitions. [2024-11-13 23:13:38,926 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2024-11-13 23:13:38,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 23:13:38,927 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:13:38,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:13:38,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:40,217 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 23:13:41,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:13:41,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 29 states and 36 transitions. [2024-11-13 23:13:41,879 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2024-11-13 23:13:41,879 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 23:13:41,880 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-11-13 23:13:41,889 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 23:13:42,267 INFO L77 FloydHoareUtils]: At program point L33(line 33) the Hoare annotation is: true [2024-11-13 23:13:42,267 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 23:13:42,267 INFO L77 FloydHoareUtils]: At program point L31(line 31) the Hoare annotation is: (<= (mod |ULTIMATE.start_main_~A~0#1| 4294967296) 1) [2024-11-13 23:13:42,267 INFO L77 FloydHoareUtils]: At program point L31-1(line 31) the Hoare annotation is: (not (and (<= (mod |ULTIMATE.start_main_~A~0#1| 4294967296) 1) (< 1 (mod |ULTIMATE.start_main_~B~0#1| 4294967296)))) [2024-11-13 23:13:42,267 INFO L77 FloydHoareUtils]: At program point L29(line 29) the Hoare annotation is: true [2024-11-13 23:13:42,267 INFO L77 FloydHoareUtils]: At program point L29-1(line 29) the Hoare annotation is: (<= (mod |ULTIMATE.start_main_~A~0#1| 4294967296) 1) [2024-11-13 23:13:42,267 INFO L77 FloydHoareUtils]: At program point L46-2(lines 41 50) the Hoare annotation is: true [2024-11-13 23:13:42,268 INFO L77 FloydHoareUtils]: At program point L42(line 42) the Hoare annotation is: true [2024-11-13 23:13:42,268 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 23:13:42,268 INFO L77 FloydHoareUtils]: At program point L42-1(lines 41 50) the Hoare annotation is: (= (mod |ULTIMATE.start_main_~A~0#1| 4294967296) (mod (+ |ULTIMATE.start_main_~r~0#1| (* |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~q~0#1|)) 4294967296)) [2024-11-13 23:13:42,268 INFO L77 FloydHoareUtils]: At program point L38(line 38) the Hoare annotation is: true [2024-11-13 23:13:42,268 INFO L77 FloydHoareUtils]: At program point L32(line 32) the Hoare annotation is: true [2024-11-13 23:13:42,268 INFO L77 FloydHoareUtils]: At program point L51(line 51) the Hoare annotation is: true [2024-11-13 23:13:42,268 INFO L77 FloydHoareUtils]: At program point L41-1(lines 41 50) the Hoare annotation is: (= (mod |ULTIMATE.start_main_~A~0#1| 4294967296) (mod (+ |ULTIMATE.start_main_~r~0#1| (* |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~q~0#1|)) 4294967296)) [2024-11-13 23:13:42,268 INFO L77 FloydHoareUtils]: At program point L37-2(lines 37 40) the Hoare annotation is: true [2024-11-13 23:13:42,268 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 15 17) the Hoare annotation is: true [2024-11-13 23:13:42,268 INFO L77 FloydHoareUtils]: At program point assume_abort_if_notEXIT(lines 15 17) the Hoare annotation is: (not (= |assume_abort_if_not_#in~cond| 0)) [2024-11-13 23:13:42,268 INFO L77 FloydHoareUtils]: At program point L19-2(lines 18 24) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-13 23:13:42,268 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 18 24) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-13 23:13:42,269 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 18 24) the Hoare annotation is: (not (and (not (= |__VERIFIER_assert_#in~cond| 0)) (< |__VERIFIER_assert_#in~cond| 1))) [2024-11-13 23:13:42,269 INFO L77 FloydHoareUtils]: At program point L20(lines 20 21) the Hoare annotation is: true [2024-11-13 23:13:42,269 INFO L77 FloydHoareUtils]: At program point L19(lines 19 22) the Hoare annotation is: (or (and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 1 __VERIFIER_assert_~cond)) (= __VERIFIER_assert_~cond 0)) [2024-11-13 23:13:42,269 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 21) the Hoare annotation is: true [2024-11-13 23:13:42,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:13:42 ImpRootNode [2024-11-13 23:13:42,286 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:13:42,287 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:13:42,287 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:13:42,287 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:13:42,288 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:13:28" (3/4) ... [2024-11-13 23:13:42,290 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 23:13:42,293 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-13 23:13:42,294 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-13 23:13:42,297 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-13 23:13:42,297 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-13 23:13:42,297 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 23:13:42,297 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 23:13:42,365 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61416e2c-8819-493e-9f01-8a27c55af1d7/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 23:13:42,365 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61416e2c-8819-493e-9f01-8a27c55af1d7/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 23:13:42,365 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:13:42,366 INFO L158 Benchmark]: Toolchain (without parser) took 14637.37ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 35.7MB in the end (delta: 58.1MB). Peak memory consumption was 55.9MB. Max. memory is 16.1GB. [2024-11-13 23:13:42,366 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:13:42,367 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.44ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 82.4MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:13:42,367 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.24ms. Allocated memory is still 117.4MB. Free memory was 82.4MB in the beginning and 81.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:13:42,367 INFO L158 Benchmark]: Boogie Preprocessor took 31.58ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 80.6MB in the end (delta: 700.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:13:42,367 INFO L158 Benchmark]: RCFGBuilder took 364.99ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 68.5MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:13:42,368 INFO L158 Benchmark]: CodeCheck took 13855.92ms. Allocated memory is still 117.4MB. Free memory was 68.5MB in the beginning and 40.3MB in the end (delta: 28.1MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2024-11-13 23:13:42,368 INFO L158 Benchmark]: Witness Printer took 78.06ms. Allocated memory is still 117.4MB. Free memory was 40.3MB in the beginning and 35.7MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:13:42,370 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, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.4s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 462 SdHoareTripleChecker+Valid, 3.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 112 mSDsluCounter, 326 SdHoareTripleChecker+Invalid, 3.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 98 mSDsCounter, 214 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 694 IncrementalHoareTripleChecker+Invalid, 908 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 214 mSolverCounterUnsat, 228 mSDtfsCounter, 694 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1336 GetRequests, 1240 SyntacticMatches, 12 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2537 ImplicationChecksByTransitivity, 9.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 169 NumberOfCodeBlocks, 169 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 163 ConstructedInterpolants, 0 QuantifiedInterpolants, 1005 SizeOfPredicates, 3 NumberOfNonLiveVariables, 138 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 86/101 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 - PositiveResult [Line: 21]: 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: 15]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (cond != 0) - ProcedureContractResult [Line: 18]: 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 0.29ms. Allocated memory is still 117.4MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 262.44ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 82.4MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.24ms. Allocated memory is still 117.4MB. Free memory was 82.4MB in the beginning and 81.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.58ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 80.6MB in the end (delta: 700.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 364.99ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 68.5MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 13855.92ms. Allocated memory is still 117.4MB. Free memory was 68.5MB in the beginning and 40.3MB in the end (delta: 28.1MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. * Witness Printer took 78.06ms. Allocated memory is still 117.4MB. Free memory was 40.3MB in the beginning and 35.7MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 23:13:42,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61416e2c-8819-493e-9f01-8a27c55af1d7/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE