./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound5.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_a21bd463-2944-4a14-b8a3-b42295099bdd/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21bd463-2944-4a14-b8a3-b42295099bdd/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21bd463-2944-4a14-b8a3-b42295099bdd/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21bd463-2944-4a14-b8a3-b42295099bdd/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21bd463-2944-4a14-b8a3-b42295099bdd/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21bd463-2944-4a14-b8a3-b42295099bdd/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aca349e1b3075e13240eff0eeaaa2d6c5037eeae5747b24322472cf3e2c19f6a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:21:05,642 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:21:05,738 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21bd463-2944-4a14-b8a3-b42295099bdd/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-24 18:21:05,745 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:21:05,746 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:21:05,776 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:21:05,780 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:21:05,780 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:21:05,780 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:21:05,780 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:21:05,781 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:21:05,781 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:21:05,781 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 18:21:05,782 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:21:05,782 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 18:21:05,782 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:21:05,782 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:21:05,783 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:21:05,784 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:21:05,784 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 18:21:05,784 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:21:05,784 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:21:05,784 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:21:05,784 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:21:05,784 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:21:05,784 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:21:05,785 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:21:05,785 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:21:05,785 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:21:05,785 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:21:05,785 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:21:05,786 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:21:05,786 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:21:05,786 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_a21bd463-2944-4a14-b8a3-b42295099bdd/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aca349e1b3075e13240eff0eeaaa2d6c5037eeae5747b24322472cf3e2c19f6a [2024-11-24 18:21:06,117 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:21:06,126 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:21:06,128 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:21:06,129 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:21:06,130 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:21:06,131 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21bd463-2944-4a14-b8a3-b42295099bdd/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound5.c [2024-11-24 18:21:09,142 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21bd463-2944-4a14-b8a3-b42295099bdd/bin/ukojak-verify-ENZ3QT5qd3/data/d1ad88bab/c1d609f8d2124541b3ff7fd1c92aa367/FLAG6aeb4d33c [2024-11-24 18:21:09,417 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:21:09,418 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21bd463-2944-4a14-b8a3-b42295099bdd/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound5.c [2024-11-24 18:21:09,426 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21bd463-2944-4a14-b8a3-b42295099bdd/bin/ukojak-verify-ENZ3QT5qd3/data/d1ad88bab/c1d609f8d2124541b3ff7fd1c92aa367/FLAG6aeb4d33c [2024-11-24 18:21:09,441 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21bd463-2944-4a14-b8a3-b42295099bdd/bin/ukojak-verify-ENZ3QT5qd3/data/d1ad88bab/c1d609f8d2124541b3ff7fd1c92aa367 [2024-11-24 18:21:09,443 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:21:09,445 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:21:09,446 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:21:09,446 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:21:09,451 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:21:09,452 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:21:09" (1/1) ... [2024-11-24 18:21:09,453 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22105436 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:09, skipping insertion in model container [2024-11-24 18:21:09,453 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:21:09" (1/1) ... [2024-11-24 18:21:09,467 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:21:09,634 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_a21bd463-2944-4a14-b8a3-b42295099bdd/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound5.c[525,538] [2024-11-24 18:21:09,653 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:21:09,662 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:21:09,673 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_a21bd463-2944-4a14-b8a3-b42295099bdd/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound5.c[525,538] [2024-11-24 18:21:09,681 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:21:09,700 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:21:09,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:09 WrapperNode [2024-11-24 18:21:09,701 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:21:09,702 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:21:09,703 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:21:09,703 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:21:09,709 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:09" (1/1) ... [2024-11-24 18:21:09,715 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:09" (1/1) ... [2024-11-24 18:21:09,731 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2024-11-24 18:21:09,732 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:21:09,733 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:21:09,734 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:21:09,734 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:21:09,741 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:09" (1/1) ... [2024-11-24 18:21:09,741 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:09" (1/1) ... [2024-11-24 18:21:09,743 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:09" (1/1) ... [2024-11-24 18:21:09,747 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:09" (1/1) ... [2024-11-24 18:21:09,749 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:09" (1/1) ... [2024-11-24 18:21:09,754 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:09" (1/1) ... [2024-11-24 18:21:09,757 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:09" (1/1) ... [2024-11-24 18:21:09,758 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:09" (1/1) ... [2024-11-24 18:21:09,762 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:09" (1/1) ... [2024-11-24 18:21:09,764 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:21:09,764 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:21:09,765 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:21:09,765 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:21:09,766 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:09" (1/1) ... [2024-11-24 18:21:09,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:21:09,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21bd463-2944-4a14-b8a3-b42295099bdd/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:21:09,802 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21bd463-2944-4a14-b8a3-b42295099bdd/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:21:09,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21bd463-2944-4a14-b8a3-b42295099bdd/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:21:09,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:21:09,837 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 18:21:09,838 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 18:21:09,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-24 18:21:09,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:21:09,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:21:09,838 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-24 18:21:09,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-24 18:21:09,904 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:21:09,906 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:21:10,020 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-24 18:21:10,021 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:21:10,047 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:21:10,048 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 18:21:10,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:21:10 BoogieIcfgContainer [2024-11-24 18:21:10,048 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:21:10,050 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:21:10,050 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:21:10,064 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:21:10,065 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:21:10" (1/1) ... [2024-11-24 18:21:10,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:21:10,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:21:10,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-11-24 18:21:10,126 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-11-24 18:21:10,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-24 18:21:10,131 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:21:10,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:21:10,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:21:10,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:21:10,270 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-24 18:21:10,280 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:21:10,404 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-24 18:21:10,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:21:10,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2024-11-24 18:21:10,528 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2024-11-24 18:21:10,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-24 18:21:10,530 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:21:10,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:21:10,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:21:10,996 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-24 18:21:11,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:21:11,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2024-11-24 18:21:11,346 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2024-11-24 18:21:11,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-24 18:21:11,347 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:21:11,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:21:11,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:21:11,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:21:11,392 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-24 18:21:11,395 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:21:11,671 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 18:21:12,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:21:12,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 33 transitions. [2024-11-24 18:21:12,639 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-11-24 18:21:12,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-24 18:21:12,641 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:21:12,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:21:12,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:21:12,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:21:12,701 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-24 18:21:12,704 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:21:12,919 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-24 18:21:19,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:21:19,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 38 transitions. [2024-11-24 18:21:19,436 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2024-11-24 18:21:19,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-24 18:21:19,437 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:21:19,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:21:19,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:21:19,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:21:19,500 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-24 18:21:19,502 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:21:19,748 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-24 18:21:31,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:21:31,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 28 states and 42 transitions. [2024-11-24 18:21:31,096 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 42 transitions. [2024-11-24 18:21:31,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-24 18:21:31,097 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:21:31,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:21:31,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:21:31,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:21:31,156 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-24 18:21:31,159 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:21:31,478 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 4 proven. 21 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:21:43,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:21:43,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 46 transitions. [2024-11-24 18:21:43,357 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2024-11-24 18:21:43,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-24 18:21:43,358 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:21:43,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:21:43,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:21:43,972 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 28 proven. 8 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-24 18:22:06,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:06,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 24 states and 34 transitions. [2024-11-24 18:22:06,062 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2024-11-24 18:22:06,063 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-24 18:22:06,065 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2024-11-24 18:22:06,078 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-24 18:22:06,600 INFO L77 FloydHoareUtils]: At program point L35-2(lines 35 44) the Hoare annotation is: true [2024-11-24 18:22:06,600 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-24 18:22:06,600 INFO L77 FloydHoareUtils]: At program point L35-3(lines 35 44) the Hoare annotation is: (= (+ (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~z~0#1|) |ULTIMATE.start_main_~x~0#1|) (+ (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~z~0#1|) 1)) [2024-11-24 18:22:06,600 INFO L77 FloydHoareUtils]: At program point L29(line 29) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~z~0#1| 5) (<= 0 |ULTIMATE.start_main_~z~0#1|)) [2024-11-24 18:22:06,601 INFO L77 FloydHoareUtils]: At program point L29-1(line 29) the Hoare annotation is: (not (and (<= |ULTIMATE.start_main_~z~0#1| 5) (not (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~k~0#1| 5))) (<= 0 |ULTIMATE.start_main_~z~0#1|))) [2024-11-24 18:22:06,601 INFO L77 FloydHoareUtils]: At program point L27(line 27) the Hoare annotation is: true [2024-11-24 18:22:06,601 INFO L77 FloydHoareUtils]: At program point L27-1(line 27) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~z~0#1| 5) (<= 0 |ULTIMATE.start_main_~z~0#1|)) [2024-11-24 18:22:06,601 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-24 18:22:06,601 INFO L77 FloydHoareUtils]: At program point L36(lines 35 44) the Hoare annotation is: (= (+ (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~z~0#1|) |ULTIMATE.start_main_~x~0#1|) (+ (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~z~0#1|) 1)) [2024-11-24 18:22:06,601 INFO L77 FloydHoareUtils]: At program point L45(line 45) the Hoare annotation is: true [2024-11-24 18:22:06,601 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 11 13) the Hoare annotation is: true [2024-11-24 18:22:06,601 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)) [2024-11-24 18:22:06,601 INFO L77 FloydHoareUtils]: At program point L16(lines 16 17) the Hoare annotation is: true [2024-11-24 18:22:06,601 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)) [2024-11-24 18:22:06,601 INFO L77 FloydHoareUtils]: At program point L15-2(lines 14 20) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-24 18:22:06,601 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 14 20) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-24 18:22:06,605 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))) [2024-11-24 18:22:06,605 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 17) the Hoare annotation is: true [2024-11-24 18:22:06,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 06:22:06 ImpRootNode [2024-11-24 18:22:06,631 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-24 18:22:06,632 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 18:22:06,632 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 18:22:06,632 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 18:22:06,633 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:21:10" (3/4) ... [2024-11-24 18:22:06,635 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-24 18:22:06,638 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-24 18:22:06,639 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-24 18:22:06,642 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-24 18:22:06,642 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-24 18:22:06,642 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-24 18:22:06,642 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-24 18:22:06,716 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21bd463-2944-4a14-b8a3-b42295099bdd/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-24 18:22:06,716 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21bd463-2944-4a14-b8a3-b42295099bdd/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-24 18:22:06,717 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 18:22:06,717 INFO L158 Benchmark]: Toolchain (without parser) took 57272.79ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 86.2MB in the end (delta: 6.7MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2024-11-24 18:22:06,718 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:22:06,718 INFO L158 Benchmark]: CACSL2BoogieTranslator took 255.79ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 81.6MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:22:06,718 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.70ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:22:06,718 INFO L158 Benchmark]: Boogie Preprocessor took 30.75ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.9MB in the end (delta: 664.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:22:06,719 INFO L158 Benchmark]: RCFGBuilder took 284.04ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 69.3MB in the end (delta: 10.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 18:22:06,719 INFO L158 Benchmark]: CodeCheck took 56580.74ms. Allocated memory is still 117.4MB. Free memory was 69.1MB in the beginning and 89.9MB in the end (delta: -20.7MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2024-11-24 18:22:06,719 INFO L158 Benchmark]: Witness Printer took 84.98ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 86.2MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:22:06,721 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: 56.0s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 255 SdHoareTripleChecker+Valid, 10.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 51 mSDsluCounter, 183 SdHoareTripleChecker+Invalid, 9.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 62 mSDsCounter, 328 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 767 IncrementalHoareTripleChecker+Invalid, 1095 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 328 mSolverCounterUnsat, 121 mSDtfsCounter, 767 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1445 GetRequests, 1311 SyntacticMatches, 34 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3543 ImplicationChecksByTransitivity, 50.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 187 NumberOfCodeBlocks, 187 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 180 ConstructedInterpolants, 0 QuantifiedInterpolants, 890 SizeOfPredicates, 5 NumberOfNonLiveVariables, 420 ConjunctsInSsa, 127 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 130/181 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 0.38ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 255.79ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 81.6MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.70ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.75ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.9MB in the end (delta: 664.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 284.04ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 69.3MB in the end (delta: 10.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 56580.74ms. Allocated memory is still 117.4MB. Free memory was 69.1MB in the beginning and 89.9MB in the end (delta: -20.7MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. * Witness Printer took 84.98ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 86.2MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-24 18:22:06,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21bd463-2944-4a14-b8a3-b42295099bdd/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE