./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound1.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_cdc75431-bdfd-4d62-97b2-36532e5a4766/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc75431-bdfd-4d62-97b2-36532e5a4766/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_cdc75431-bdfd-4d62-97b2-36532e5a4766/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc75431-bdfd-4d62-97b2-36532e5a4766/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc75431-bdfd-4d62-97b2-36532e5a4766/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_cdc75431-bdfd-4d62-97b2-36532e5a4766/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 3d5962362825282ae42e15c2becb997ecc48fe70f2dab3f327a660cebbeb623f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:01:07,074 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:01:07,133 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc75431-bdfd-4d62-97b2-36532e5a4766/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 03:01:07,137 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:01:07,138 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:01:07,158 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:01:07,158 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:01:07,158 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:01:07,159 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:01:07,159 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:01:07,159 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:01:07,159 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:01:07,159 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:01:07,159 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:01:07,160 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:01:07,160 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:01:07,160 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:01:07,160 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:01:07,160 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:01:07,160 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:01:07,160 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:01:07,160 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:01:07,160 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:01:07,160 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:01:07,160 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:01:07,161 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:01:07,161 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:01:07,161 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:01:07,161 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:01:07,161 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:01:07,161 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:01:07,161 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:01:07,161 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:01:07,161 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_cdc75431-bdfd-4d62-97b2-36532e5a4766/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 -> 3d5962362825282ae42e15c2becb997ecc48fe70f2dab3f327a660cebbeb623f [2024-12-06 03:01:07,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:01:07,395 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:01:07,397 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:01:07,398 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:01:07,399 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:01:07,400 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc75431-bdfd-4d62-97b2-36532e5a4766/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound1.c [2024-12-06 03:01:09,983 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc75431-bdfd-4d62-97b2-36532e5a4766/bin/ukojak-verify-CZk0znPC7b/data/2f9ce50c0/56f79205fe6d452785f45ae47cac87f4/FLAGbdf82facc [2024-12-06 03:01:10,181 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:01:10,182 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc75431-bdfd-4d62-97b2-36532e5a4766/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound1.c [2024-12-06 03:01:10,189 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc75431-bdfd-4d62-97b2-36532e5a4766/bin/ukojak-verify-CZk0znPC7b/data/2f9ce50c0/56f79205fe6d452785f45ae47cac87f4/FLAGbdf82facc [2024-12-06 03:01:10,561 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc75431-bdfd-4d62-97b2-36532e5a4766/bin/ukojak-verify-CZk0znPC7b/data/2f9ce50c0/56f79205fe6d452785f45ae47cac87f4 [2024-12-06 03:01:10,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:01:10,565 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:01:10,566 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:01:10,566 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:01:10,569 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:01:10,569 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:01:10" (1/1) ... [2024-12-06 03:01:10,570 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51968495 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:01:10, skipping insertion in model container [2024-12-06 03:01:10,570 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:01:10" (1/1) ... [2024-12-06 03:01:10,580 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:01:10,707 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_cdc75431-bdfd-4d62-97b2-36532e5a4766/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound1.c[524,537] [2024-12-06 03:01:10,725 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:01:10,734 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:01:10,744 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_cdc75431-bdfd-4d62-97b2-36532e5a4766/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound1.c[524,537] [2024-12-06 03:01:10,750 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:01:10,764 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:01:10,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:01:10 WrapperNode [2024-12-06 03:01:10,764 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:01:10,765 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:01:10,765 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:01:10,765 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:01:10,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:01:10" (1/1) ... [2024-12-06 03:01:10,777 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:01:10" (1/1) ... [2024-12-06 03:01:10,793 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2024-12-06 03:01:10,794 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:01:10,794 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:01:10,794 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:01:10,794 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:01:10,801 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:01:10" (1/1) ... [2024-12-06 03:01:10,801 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:01:10" (1/1) ... [2024-12-06 03:01:10,802 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:01:10" (1/1) ... [2024-12-06 03:01:10,802 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:01:10" (1/1) ... [2024-12-06 03:01:10,805 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:01:10" (1/1) ... [2024-12-06 03:01:10,806 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:01:10" (1/1) ... [2024-12-06 03:01:10,809 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:01:10" (1/1) ... [2024-12-06 03:01:10,810 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:01:10" (1/1) ... [2024-12-06 03:01:10,811 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:01:10" (1/1) ... [2024-12-06 03:01:10,813 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:01:10,813 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:01:10,813 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:01:10,814 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:01:10,814 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:01:10" (1/1) ... [2024-12-06 03:01:10,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:01:10,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc75431-bdfd-4d62-97b2-36532e5a4766/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:01:10,844 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc75431-bdfd-4d62-97b2-36532e5a4766/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:01:10,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc75431-bdfd-4d62-97b2-36532e5a4766/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:01:10,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:01:10,869 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 03:01:10,869 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 03:01:10,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:01:10,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:01:10,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:01:10,870 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 03:01:10,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 03:01:10,913 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:01:10,915 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:01:11,012 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-06 03:01:11,012 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:01:11,037 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:01:11,037 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 03:01:11,037 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:01:11 BoogieIcfgContainer [2024-12-06 03:01:11,037 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:01:11,038 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:01:11,038 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:01:11,046 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:01:11,046 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:01:11" (1/1) ... [2024-12-06 03:01:11,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:01:11,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:01:11,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2024-12-06 03:01:11,091 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2024-12-06 03:01:11,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 03:01:11,094 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:01:11,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:01:11,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:01:11,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:01:11,228 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 03:01:11,233 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:01:11,536 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 03:01:12,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:01:12,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 23 states and 31 transitions. [2024-12-06 03:01:12,597 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2024-12-06 03:01:12,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 03:01:12,598 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:01:12,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:01:12,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:01:13,026 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 03:01:13,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:01:13,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 29 transitions. [2024-12-06 03:01:13,478 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2024-12-06 03:01:13,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 03:01:13,479 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:01:13,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:01:13,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:01:13,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:01:13,532 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 03:01:13,534 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:01:13,720 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-06 03:01:24,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:01:24,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 18 states and 21 transitions. [2024-12-06 03:01:24,642 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-12-06 03:01:24,642 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 03:01:24,642 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2024-12-06 03:01:24,651 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 03:01:24,845 INFO L77 FloydHoareUtils]: At program point L35-2(lines 35 46) the Hoare annotation is: (= (+ (* |ULTIMATE.start_main_~A~0#1| 4) (* |ULTIMATE.start_main_~v~0#1| |ULTIMATE.start_main_~v~0#1|) (* 2 |ULTIMATE.start_main_~u~0#1|)) (+ (* 2 |ULTIMATE.start_main_~v~0#1|) (* |ULTIMATE.start_main_~u~0#1| |ULTIMATE.start_main_~u~0#1|))) [2024-12-06 03:01:24,845 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 03:01:24,845 INFO L77 FloydHoareUtils]: At program point L29(line 29) the Hoare annotation is: true [2024-12-06 03:01:24,845 INFO L77 FloydHoareUtils]: At program point L27(line 27) the Hoare annotation is: true [2024-12-06 03:01:24,845 INFO L77 FloydHoareUtils]: At program point L25(line 25) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~A~0#1| 1) (<= 0 |ULTIMATE.start_main_~A~0#1|)) [2024-12-06 03:01:24,846 INFO L77 FloydHoareUtils]: At program point L25-1(line 25) the Hoare annotation is: (not (and (<= |ULTIMATE.start_main_~A~0#1| 1) (not (and (<= 0 |ULTIMATE.start_main_~R~0#1|) (<= |ULTIMATE.start_main_~R~0#1| 1))) (<= 0 |ULTIMATE.start_main_~A~0#1|))) [2024-12-06 03:01:24,846 INFO L77 FloydHoareUtils]: At program point L23(line 23) the Hoare annotation is: true [2024-12-06 03:01:24,846 INFO L77 FloydHoareUtils]: At program point L23-1(line 23) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~A~0#1| 1) (<= 0 |ULTIMATE.start_main_~A~0#1|)) [2024-12-06 03:01:24,846 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 03:01:24,846 INFO L77 FloydHoareUtils]: At program point L36(lines 35 46) the Hoare annotation is: (let ((.cse4 (* |ULTIMATE.start_main_~r~0#1| 4)) (.cse0 (* |ULTIMATE.start_main_~A~0#1| 4)) (.cse1 (* |ULTIMATE.start_main_~v~0#1| |ULTIMATE.start_main_~v~0#1|)) (.cse2 (* 2 |ULTIMATE.start_main_~u~0#1|)) (.cse5 (* 2 |ULTIMATE.start_main_~v~0#1|)) (.cse6 (* |ULTIMATE.start_main_~u~0#1| |ULTIMATE.start_main_~u~0#1|))) (and (let ((.cse3 (+ .cse5 .cse6 1))) (or (< (+ .cse0 .cse1 .cse2) .cse3) (< (+ .cse0 .cse4 .cse1 .cse2) .cse3))) (let ((.cse7 (+ .cse5 .cse6))) (or (< .cse7 (+ .cse0 .cse4 .cse1 .cse2 1)) (< .cse7 (+ .cse0 .cse1 .cse2 1)))))) [2024-12-06 03:01:24,846 INFO L77 FloydHoareUtils]: At program point L49(line 49) the Hoare annotation is: true [2024-12-06 03:01:24,846 INFO L77 FloydHoareUtils]: At program point L39-2(lines 35 46) the Hoare annotation is: true [2024-12-06 03:01:24,846 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 8 10) the Hoare annotation is: true [2024-12-06 03:01:24,846 INFO L77 FloydHoareUtils]: At program point assume_abort_if_notEXIT(lines 8 10) the Hoare annotation is: (not (= |assume_abort_if_not_#in~cond| 0)) [2024-12-06 03:01:24,846 INFO L77 FloydHoareUtils]: At program point L13(lines 13 14) the Hoare annotation is: true [2024-12-06 03:01:24,846 INFO L77 FloydHoareUtils]: At program point L12(lines 12 15) the Hoare annotation is: (or (and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 1 __VERIFIER_assert_~cond)) (= __VERIFIER_assert_~cond 0)) [2024-12-06 03:01:24,847 INFO L77 FloydHoareUtils]: At program point L12-2(lines 11 17) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-12-06 03:01:24,847 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 11 17) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-12-06 03:01:24,847 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 11 17) the Hoare annotation is: (not (and (not (= |__VERIFIER_assert_#in~cond| 0)) (< |__VERIFIER_assert_#in~cond| 1))) [2024-12-06 03:01:24,847 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 14) the Hoare annotation is: true [2024-12-06 03:01:24,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:01:24 ImpRootNode [2024-12-06 03:01:24,859 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:01:24,860 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:01:24,860 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:01:24,860 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:01:24,861 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:01:11" (3/4) ... [2024-12-06 03:01:24,862 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 03:01:24,865 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-12-06 03:01:24,865 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-12-06 03:01:24,868 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-12-06 03:01:24,868 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-12-06 03:01:24,868 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 03:01:24,869 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 03:01:24,923 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc75431-bdfd-4d62-97b2-36532e5a4766/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 03:01:24,923 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc75431-bdfd-4d62-97b2-36532e5a4766/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 03:01:24,923 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:01:24,924 INFO L158 Benchmark]: Toolchain (without parser) took 14359.02ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 103.1MB in the end (delta: 13.9MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2024-12-06 03:01:24,924 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:01:24,924 INFO L158 Benchmark]: CACSL2BoogieTranslator took 198.75ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 105.7MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:01:24,924 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.50ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 104.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:01:24,924 INFO L158 Benchmark]: Boogie Preprocessor took 18.58ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 103.8MB in the end (delta: 848.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:01:24,925 INFO L158 Benchmark]: RCFGBuilder took 224.05ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 91.4MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:01:24,925 INFO L158 Benchmark]: CodeCheck took 13821.18ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 107.7MB in the end (delta: -16.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:01:24,925 INFO L158 Benchmark]: Witness Printer took 63.13ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 103.1MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:01:24,927 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, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.6s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 100 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 70 SdHoareTripleChecker+Invalid, 3.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 90 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 245 IncrementalHoareTripleChecker+Invalid, 335 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 90 mSolverCounterUnsat, 60 mSDtfsCounter, 245 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 550 GetRequests, 505 SyntacticMatches, 5 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 420 ImplicationChecksByTransitivity, 11.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 69 NumberOfCodeBlocks, 69 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 66 ConstructedInterpolants, 2 QuantifiedInterpolants, 373 SizeOfPredicates, 3 NumberOfNonLiveVariables, 139 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 3 InterpolantComputations, 0 PerfectInterpolantSequences, 34/41 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: 14]: 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: 8]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (cond != 0) - ProcedureContractResult [Line: 11]: 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 0.36ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 198.75ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 105.7MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.50ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 104.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.58ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 103.8MB in the end (delta: 848.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 224.05ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 91.4MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 13821.18ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 107.7MB in the end (delta: -16.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 63.13ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 103.1MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 03:01:24,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc75431-bdfd-4d62-97b2-36532e5a4766/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