./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b98eca5-8c09-48cf-a9e1-e767545265f0/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b98eca5-8c09-48cf-a9e1-e767545265f0/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_0b98eca5-8c09-48cf-a9e1-e767545265f0/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b98eca5-8c09-48cf-a9e1-e767545265f0/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b98eca5-8c09-48cf-a9e1-e767545265f0/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_0b98eca5-8c09-48cf-a9e1-e767545265f0/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 29123ed479a06938c1b58bc0ee2ae38219e9e012922d3ca9fba5679eb1736558 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:51:22,917 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:51:23,007 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b98eca5-8c09-48cf-a9e1-e767545265f0/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 02:51:23,013 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:51:23,014 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:51:23,039 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:51:23,040 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:51:23,041 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:51:23,041 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:51:23,041 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:51:23,041 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:51:23,042 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:51:23,042 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:51:23,042 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:51:23,042 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:51:23,042 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:51:23,042 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:51:23,043 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:51:23,043 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:51:23,043 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:51:23,043 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:51:23,043 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:51:23,043 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:51:23,043 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:51:23,044 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:51:23,044 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:51:23,044 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:51:23,044 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:51:23,044 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:51:23,044 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:51:23,044 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:51:23,044 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:51:23,045 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:51:23,045 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_0b98eca5-8c09-48cf-a9e1-e767545265f0/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 -> 29123ed479a06938c1b58bc0ee2ae38219e9e012922d3ca9fba5679eb1736558 [2024-11-25 02:51:23,347 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:51:23,357 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:51:23,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:51:23,364 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:51:23,364 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:51:23,365 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b98eca5-8c09-48cf-a9e1-e767545265f0/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound2.c [2024-11-25 02:51:26,344 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b98eca5-8c09-48cf-a9e1-e767545265f0/bin/ukojak-verify-ENZ3QT5qd3/data/3620cbda9/59c8c2e2b0f7499599f86f5f25b64a77/FLAGd61e217d7 [2024-11-25 02:51:26,685 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:51:26,692 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b98eca5-8c09-48cf-a9e1-e767545265f0/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound2.c [2024-11-25 02:51:26,729 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b98eca5-8c09-48cf-a9e1-e767545265f0/bin/ukojak-verify-ENZ3QT5qd3/data/3620cbda9/59c8c2e2b0f7499599f86f5f25b64a77/FLAGd61e217d7 [2024-11-25 02:51:26,765 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b98eca5-8c09-48cf-a9e1-e767545265f0/bin/ukojak-verify-ENZ3QT5qd3/data/3620cbda9/59c8c2e2b0f7499599f86f5f25b64a77 [2024-11-25 02:51:26,768 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:51:26,771 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:51:26,773 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:51:26,773 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:51:26,779 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:51:26,779 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:51:26" (1/1) ... [2024-11-25 02:51:26,780 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c3f5cfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:26, skipping insertion in model container [2024-11-25 02:51:26,780 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:51:26" (1/1) ... [2024-11-25 02:51:26,799 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:51:26,945 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_0b98eca5-8c09-48cf-a9e1-e767545265f0/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound2.c[535,548] [2024-11-25 02:51:26,967 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:51:26,976 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:51:26,986 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_0b98eca5-8c09-48cf-a9e1-e767545265f0/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound2.c[535,548] [2024-11-25 02:51:26,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:51:27,008 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:51:27,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:27 WrapperNode [2024-11-25 02:51:27,009 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:51:27,010 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:51:27,010 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:51:27,010 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:51:27,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:27" (1/1) ... [2024-11-25 02:51:27,023 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:27" (1/1) ... [2024-11-25 02:51:27,039 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2024-11-25 02:51:27,039 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:51:27,040 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:51:27,040 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:51:27,040 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:51:27,046 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:27" (1/1) ... [2024-11-25 02:51:27,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:27" (1/1) ... [2024-11-25 02:51:27,048 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:27" (1/1) ... [2024-11-25 02:51:27,048 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:27" (1/1) ... [2024-11-25 02:51:27,051 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:27" (1/1) ... [2024-11-25 02:51:27,052 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:27" (1/1) ... [2024-11-25 02:51:27,055 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:27" (1/1) ... [2024-11-25 02:51:27,056 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:27" (1/1) ... [2024-11-25 02:51:27,057 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:27" (1/1) ... [2024-11-25 02:51:27,058 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:51:27,059 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:51:27,059 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:51:27,060 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:51:27,060 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:27" (1/1) ... [2024-11-25 02:51:27,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:51:27,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b98eca5-8c09-48cf-a9e1-e767545265f0/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:51:27,102 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b98eca5-8c09-48cf-a9e1-e767545265f0/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:51:27,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b98eca5-8c09-48cf-a9e1-e767545265f0/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:51:27,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:51:27,128 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 02:51:27,128 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 02:51:27,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:51:27,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:51:27,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:51:27,128 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 02:51:27,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 02:51:27,191 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:51:27,193 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:51:27,333 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-25 02:51:27,334 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:51:27,361 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:51:27,362 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-25 02:51:27,362 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:51:27 BoogieIcfgContainer [2024-11-25 02:51:27,362 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:51:27,363 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:51:27,363 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:51:27,373 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:51:27,373 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:51:27" (1/1) ... [2024-11-25 02:51:27,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:51:27,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:51:27,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2024-11-25 02:51:27,432 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2024-11-25 02:51:27,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 02:51:27,437 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:51:27,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:51:27,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:51:27,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:51:27,652 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 02:51:27,659 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:51:27,923 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 02:51:29,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 02:51:29,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:51:29,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 27 states and 42 transitions. [2024-11-25 02:51:29,298 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions. [2024-11-25 02:51:29,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 02:51:29,299 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:51:29,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:51:29,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:51:30,211 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 02:51:32,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:51:32,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2024-11-25 02:51:32,755 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2024-11-25 02:51:32,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 02:51:32,756 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:51:32,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:51:32,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:51:33,914 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 02:51:38,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:51:38,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 40 transitions. [2024-11-25 02:51:38,626 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2024-11-25 02:51:38,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 02:51:38,627 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:51:38,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:51:38,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:51:38,700 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-25 02:51:38,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:51:38,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2024-11-25 02:51:38,773 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2024-11-25 02:51:38,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-25 02:51:38,774 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:51:38,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:51:38,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:51:38,907 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-25 02:51:39,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:51:39,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 32 states and 46 transitions. [2024-11-25 02:51:39,856 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 46 transitions. [2024-11-25 02:51:39,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-25 02:51:39,857 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:51:39,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:51:39,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:51:39,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:51:39,910 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 02:51:39,913 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:51:40,517 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-25 02:51:48,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:51:48,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 69 transitions. [2024-11-25 02:51:48,157 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 69 transitions. [2024-11-25 02:51:48,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-25 02:51:48,158 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:51:48,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:51:48,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:51:48,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:51:48,206 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 02:51:48,209 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:52:08,923 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-25 02:54:16,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-25 02:54:38,342 WARN L286 SmtUtils]: Spent 11.67s on a formula simplification that was a NOOP. DAG size: 41 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:54:51,479 WARN L286 SmtUtils]: Spent 10.06s on a formula simplification that was a NOOP. DAG size: 42 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:55:05,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-25 02:55:05,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:55:05,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 42 states and 76 transitions. [2024-11-25 02:55:05,791 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-25 02:55:05,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:55:05,793 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:55:05,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:55:05,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:55:05,879 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-25 02:55:14,195 WARN L286 SmtUtils]: Spent 6.78s on a formula simplification. DAG size of input: 30 DAG size of output: 19 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:55:14,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:55:14,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 42 states and 75 transitions. [2024-11-25 02:55:14,364 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-25 02:55:14,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:55:14,365 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:55:14,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:55:14,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:55:14,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:55:14,435 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 02:55:14,438 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:55:35,600 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-25 02:56:26,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:56:26,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 48 states and 86 transitions. [2024-11-25 02:56:26,572 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 86 transitions. [2024-11-25 02:56:26,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-25 02:56:26,574 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:56:26,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:56:26,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:56:26,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:56:26,639 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-25 02:56:26,644 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:56:47,381 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 24 proven. 8 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-25 02:58:04,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:58:04,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 18 states and 21 transitions. [2024-11-25 02:58:04,706 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-25 02:58:04,707 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 02:58:04,707 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2024-11-25 02:58:04,714 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 02:58:29,469 WARN L286 SmtUtils]: Spent 24.75s on a formula simplification. DAG size of input: 77 DAG size of output: 15 (called from [L 622] de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.computeHoareAnnotation) [2024-11-25 02:58:30,663 INFO L77 FloydHoareUtils]: At program point L35-2(lines 35 55) 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|))) [2024-11-25 02:58:30,663 INFO L77 FloydHoareUtils]: At program point L23(line 23) the Hoare annotation is: true [2024-11-25 02:58:30,664 INFO L77 FloydHoareUtils]: At program point L23-1(line 23) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~A~0#1| 2) (<= 0 |ULTIMATE.start_main_~A~0#1|)) [2024-11-25 02:58:30,664 INFO L77 FloydHoareUtils]: At program point L48-1(lines 48 54) the Hoare annotation is: true [2024-11-25 02:58:30,664 INFO L77 FloydHoareUtils]: At program point L48-2(lines 35 55) the Hoare annotation is: (= (+ (* |ULTIMATE.start_main_~A~0#1| 4) (* |ULTIMATE.start_main_~r~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|))) [2024-11-25 02:58:30,664 INFO L77 FloydHoareUtils]: At program point L40-2(lines 40 46) the Hoare annotation is: (= (+ (* |ULTIMATE.start_main_~A~0#1| 4) (* |ULTIMATE.start_main_~r~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|))) [2024-11-25 02:58:30,664 INFO L77 FloydHoareUtils]: At program point L36(lines 35 55) the Hoare annotation is: (= (+ (* |ULTIMATE.start_main_~A~0#1| 4) (* |ULTIMATE.start_main_~r~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|))) [2024-11-25 02:58:30,664 INFO L77 FloydHoareUtils]: At program point L28(line 28) the Hoare annotation is: true [2024-11-25 02:58:30,664 INFO L77 FloydHoareUtils]: At program point L57(line 57) the Hoare annotation is: true [2024-11-25 02:58:30,664 INFO L77 FloydHoareUtils]: At program point L49(lines 48 54) the Hoare annotation is: (not (and (not (= (+ (* |ULTIMATE.start_main_~A~0#1| 4) (* |ULTIMATE.start_main_~r~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|)))) (< 0 (+ |ULTIMATE.start_main_~r~0#1| 1)))) [2024-11-25 02:58:30,664 INFO L77 FloydHoareUtils]: At program point L41(lines 40 46) the Hoare annotation is: (= (+ (* |ULTIMATE.start_main_~A~0#1| 4) (* |ULTIMATE.start_main_~r~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|))) [2024-11-25 02:58:30,665 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 02:58:30,665 INFO L77 FloydHoareUtils]: At program point L25(line 25) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~A~0#1| 2) (<= 0 |ULTIMATE.start_main_~A~0#1|)) [2024-11-25 02:58:30,665 INFO L77 FloydHoareUtils]: At program point L25-1(line 25) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~R~0#1|) (<= |ULTIMATE.start_main_~R~0#1| 2)) [2024-11-25 02:58:30,665 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 02:58:30,665 INFO L77 FloydHoareUtils]: At program point L26(line 26) the Hoare annotation is: (not (and (<= 0 |ULTIMATE.start_main_~R~0#1|) (< (+ (* 2 |ULTIMATE.start_main_~R~0#1|) |ULTIMATE.start_main_~A~0#1|) (+ (* |ULTIMATE.start_main_~R~0#1| |ULTIMATE.start_main_~R~0#1|) 2)) (<= |ULTIMATE.start_main_~R~0#1| 2) (<= 0 |ULTIMATE.start_main_~A~0#1|))) [2024-11-25 02:58:30,665 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 8 10) the Hoare annotation is: true [2024-11-25 02:58:30,665 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)) [2024-11-25 02:58:30,665 INFO L77 FloydHoareUtils]: At program point L13(lines 13 14) the Hoare annotation is: true [2024-11-25 02:58:30,665 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)) [2024-11-25 02:58:30,666 INFO L77 FloydHoareUtils]: At program point L12-2(lines 11 17) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-25 02:58:30,666 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 11 17) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-25 02:58:30,666 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))) [2024-11-25 02:58:30,666 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 14) the Hoare annotation is: true [2024-11-25 02:58:30,693 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:58:30 ImpRootNode [2024-11-25 02:58:30,694 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:58:30,697 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:58:30,697 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:58:30,697 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:58:30,698 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:51:27" (3/4) ... [2024-11-25 02:58:30,702 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 02:58:30,705 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-25 02:58:30,708 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-25 02:58:30,712 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-25 02:58:30,715 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-25 02:58:30,715 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 02:58:30,715 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 02:58:30,813 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b98eca5-8c09-48cf-a9e1-e767545265f0/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 02:58:30,817 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b98eca5-8c09-48cf-a9e1-e767545265f0/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 02:58:30,817 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:58:30,818 INFO L158 Benchmark]: Toolchain (without parser) took 424048.02ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 68.1MB in the end (delta: 51.0MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. [2024-11-25 02:58:30,818 INFO L158 Benchmark]: CDTParser took 1.32ms. Allocated memory is still 142.6MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:58:30,818 INFO L158 Benchmark]: CACSL2BoogieTranslator took 236.42ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 107.4MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:58:30,820 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.26ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 106.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:58:30,820 INFO L158 Benchmark]: Boogie Preprocessor took 18.73ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 105.5MB in the end (delta: 756.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:58:30,821 INFO L158 Benchmark]: RCFGBuilder took 302.99ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 92.9MB in the end (delta: 12.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:58:30,821 INFO L158 Benchmark]: CodeCheck took 423331.71ms. Allocated memory is still 142.6MB. Free memory was 92.9MB in the beginning and 72.6MB in the end (delta: 20.2MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2024-11-25 02:58:30,821 INFO L158 Benchmark]: Witness Printer took 120.02ms. Allocated memory is still 142.6MB. Free memory was 72.6MB in the beginning and 68.1MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:58:30,824 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, 24 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 397.3s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 8 mSolverCounterUnknown, 596 SdHoareTripleChecker+Valid, 101.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 147 mSDsluCounter, 278 SdHoareTripleChecker+Invalid, 101.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 36 mSDsCounter, 662 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1731 IncrementalHoareTripleChecker+Invalid, 2401 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 662 mSolverCounterUnsat, 242 mSDtfsCounter, 1731 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2626 GetRequests, 2461 SyntacticMatches, 23 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8415 ImplicationChecksByTransitivity, 370.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 65.8s InterpolantComputationTime, 346 NumberOfCodeBlocks, 346 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 336 ConstructedInterpolants, 19 QuantifiedInterpolants, 2074 SizeOfPredicates, 4 NumberOfNonLiveVariables, 498 ConjunctsInSsa, 83 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 294/317 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 - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: ((((((long long) A * 4) + ((__int128) r * 4)) + ((__int128) v * v)) + ((__int128) 2 * u)) == (((__int128) 2 * v) + ((__int128) u * u))) - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: ((((((long long) A * 4) + ((__int128) r * 4)) + ((__int128) v * v)) + ((__int128) 2 * u)) == (((__int128) 2 * v) + ((__int128) u * u))) - 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 1.32ms. Allocated memory is still 142.6MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 236.42ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 107.4MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.26ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 106.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.73ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 105.5MB in the end (delta: 756.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 302.99ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 92.9MB in the end (delta: 12.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 423331.71ms. Allocated memory is still 142.6MB. Free memory was 92.9MB in the beginning and 72.6MB in the end (delta: 20.2MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. * Witness Printer took 120.02ms. Allocated memory is still 142.6MB. Free memory was 72.6MB in the beginning and 68.1MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 02:58:30,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b98eca5-8c09-48cf-a9e1-e767545265f0/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