./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae704f0e-f872-4d8c-8a3d-5a8a2ad8e96c/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae704f0e-f872-4d8c-8a3d-5a8a2ad8e96c/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae704f0e-f872-4d8c-8a3d-5a8a2ad8e96c/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae704f0e-f872-4d8c-8a3d-5a8a2ad8e96c/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae704f0e-f872-4d8c-8a3d-5a8a2ad8e96c/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae704f0e-f872-4d8c-8a3d-5a8a2ad8e96c/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4d98b743606513f831b0c11a7a0f14d9c6aeb2efbb7fa03be80b69c46d40fb39 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:22:23,061 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:22:23,176 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae704f0e-f872-4d8c-8a3d-5a8a2ad8e96c/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-24 23:22:23,190 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:22:23,191 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:22:23,234 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:22:23,235 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:22:23,236 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:22:23,237 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:22:23,243 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:22:23,243 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:22:23,245 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:22:23,245 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:22:23,247 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:22:23,248 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:22:23,248 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:22:23,249 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:22:23,249 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:22:23,250 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:22:23,250 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:22:23,251 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:22:23,252 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:22:23,253 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:22:23,253 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:22:23,254 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:22:23,254 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:22:23,255 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:22:23,255 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:22:23,256 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:22:23,256 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:22:23,258 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:22:23,258 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:22:23,259 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:22:23,259 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:22:23,259 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:22:23,260 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:22:23,260 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:22:23,260 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:22:23,260 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:22:23,261 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:22:23,261 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:22:23,262 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:22:23,262 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:22:23,262 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:22:23,263 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:22:23,263 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:22:23,264 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:22:23,264 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:22:23,264 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:22:23,265 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae704f0e-f872-4d8c-8a3d-5a8a2ad8e96c/bin/utaipan-verify-SwPr7d2a91/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae704f0e-f872-4d8c-8a3d-5a8a2ad8e96c/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d98b743606513f831b0c11a7a0f14d9c6aeb2efbb7fa03be80b69c46d40fb39 [2023-11-24 23:22:23,606 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:22:23,644 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:22:23,647 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:22:23,648 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:22:23,649 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:22:23,650 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae704f0e-f872-4d8c-8a3d-5a8a2ad8e96c/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound1.c [2023-11-24 23:22:26,774 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:22:27,032 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:22:27,032 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae704f0e-f872-4d8c-8a3d-5a8a2ad8e96c/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound1.c [2023-11-24 23:22:27,042 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae704f0e-f872-4d8c-8a3d-5a8a2ad8e96c/bin/utaipan-verify-SwPr7d2a91/data/2e6934e69/6cd99012eafc42ce8a7686db6ffef5b8/FLAGe5a64f3f9 [2023-11-24 23:22:27,060 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae704f0e-f872-4d8c-8a3d-5a8a2ad8e96c/bin/utaipan-verify-SwPr7d2a91/data/2e6934e69/6cd99012eafc42ce8a7686db6ffef5b8 [2023-11-24 23:22:27,066 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:22:27,070 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:22:27,076 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:22:27,076 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:22:27,081 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:22:27,082 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:22:27" (1/1) ... [2023-11-24 23:22:27,083 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dd80a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:27, skipping insertion in model container [2023-11-24 23:22:27,084 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:22:27" (1/1) ... [2023-11-24 23:22:27,110 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:22:27,343 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:22:27,356 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:22:27,389 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:22:27,406 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:22:27,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:27 WrapperNode [2023-11-24 23:22:27,407 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:22:27,408 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:22:27,409 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:22:27,409 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:22:27,417 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:27" (1/1) ... [2023-11-24 23:22:27,425 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:27" (1/1) ... [2023-11-24 23:22:27,448 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 84 [2023-11-24 23:22:27,449 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:22:27,450 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:22:27,450 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:22:27,450 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:22:27,461 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:27" (1/1) ... [2023-11-24 23:22:27,461 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:27" (1/1) ... [2023-11-24 23:22:27,463 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:27" (1/1) ... [2023-11-24 23:22:27,463 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:27" (1/1) ... [2023-11-24 23:22:27,467 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:27" (1/1) ... [2023-11-24 23:22:27,470 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:27" (1/1) ... [2023-11-24 23:22:27,472 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:27" (1/1) ... [2023-11-24 23:22:27,473 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:27" (1/1) ... [2023-11-24 23:22:27,475 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:22:27,476 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:22:27,476 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:22:27,476 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:22:27,477 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:27" (1/1) ... [2023-11-24 23:22:27,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:22:27,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae704f0e-f872-4d8c-8a3d-5a8a2ad8e96c/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:22:27,518 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae704f0e-f872-4d8c-8a3d-5a8a2ad8e96c/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:22:27,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae704f0e-f872-4d8c-8a3d-5a8a2ad8e96c/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:22:27,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:22:27,561 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:22:27,562 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:22:27,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:22:27,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:22:27,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:22:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:22:27,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:22:27,654 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:22:27,656 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:22:28,053 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:22:28,100 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:22:28,100 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:22:28,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:22:28 BoogieIcfgContainer [2023-11-24 23:22:28,102 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:22:28,117 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:22:28,117 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:22:28,150 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:22:28,151 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:22:27" (1/3) ... [2023-11-24 23:22:28,151 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43c6e27d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:22:28, skipping insertion in model container [2023-11-24 23:22:28,152 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:27" (2/3) ... [2023-11-24 23:22:28,170 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43c6e27d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:22:28, skipping insertion in model container [2023-11-24 23:22:28,170 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:22:28" (3/3) ... [2023-11-24 23:22:28,174 INFO L112 eAbstractionObserver]: Analyzing ICFG geo3-ll_valuebound1.c [2023-11-24 23:22:28,198 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:22:28,198 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2023-11-24 23:22:28,247 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:22:28,255 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4d7e6e3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:22:28,255 INFO L358 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2023-11-24 23:22:28,260 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 39 states have (on average 1.8205128205128205) internal successors, (71), 69 states have internal predecessors, (71), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-24 23:22:28,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:22:28,267 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:22:28,268 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:22:28,268 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2023-11-24 23:22:28,272 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:22:28,273 INFO L85 PathProgramCache]: Analyzing trace with hash -694885911, now seen corresponding path program 1 times [2023-11-24 23:22:28,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:22:28,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033467878] [2023-11-24 23:22:28,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:22:28,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:22:28,383 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 23:22:28,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [831983997] [2023-11-24 23:22:28,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:22:28,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:22:28,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae704f0e-f872-4d8c-8a3d-5a8a2ad8e96c/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:22:28,389 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae704f0e-f872-4d8c-8a3d-5a8a2ad8e96c/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:22:28,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae704f0e-f872-4d8c-8a3d-5a8a2ad8e96c/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-24 23:22:28,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:22:28,464 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:22:28,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:22:28,679 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:22:28,679 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:22:28,834 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:22:28,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033467878] [2023-11-24 23:22:28,834 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-24 23:22:28,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [831983997] [2023-11-24 23:22:28,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [831983997] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 23:22:28,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1526147333] [2023-11-24 23:22:28,864 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2023-11-24 23:22:28,864 INFO L166 IcfgInterpreter]: Building call graph [2023-11-24 23:22:28,868 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-24 23:22:28,873 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-24 23:22:28,874 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-24 23:22:29,632 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 3 for LOIs [2023-11-24 23:22:29,634 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-24 23:22:30,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1526147333] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:22:30,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-24 23:22:30,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [4] total 13 [2023-11-24 23:22:30,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834531368] [2023-11-24 23:22:30,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:22:30,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-24 23:22:30,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:22:30,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-24 23:22:30,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=155, Unknown=0, NotChecked=0, Total=240 [2023-11-24 23:22:30,254 INFO L87 Difference]: Start difference. First operand has 77 states, 39 states have (on average 1.8205128205128205) internal successors, (71), 69 states have internal predecessors, (71), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 11 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-24 23:22:30,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:22:30,521 INFO L93 Difference]: Finished difference Result 113 states and 131 transitions. [2023-11-24 23:22:30,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 23:22:30,524 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 14 [2023-11-24 23:22:30,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:22:30,532 INFO L225 Difference]: With dead ends: 113 [2023-11-24 23:22:30,532 INFO L226 Difference]: Without dead ends: 44 [2023-11-24 23:22:30,536 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=85, Invalid=155, Unknown=0, NotChecked=0, Total=240 [2023-11-24 23:22:30,539 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 98 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-24 23:22:30,540 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 11 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-24 23:22:30,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2023-11-24 23:22:30,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2023-11-24 23:22:30,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 37 states have internal predecessors, (37), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-24 23:22:30,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 45 transitions. [2023-11-24 23:22:30,584 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 45 transitions. Word has length 14 [2023-11-24 23:22:30,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:22:30,586 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 45 transitions. [2023-11-24 23:22:30,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-24 23:22:30,586 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 45 transitions. [2023-11-24 23:22:30,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:22:30,588 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:22:30,588 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:22:30,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae704f0e-f872-4d8c-8a3d-5a8a2ad8e96c/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:22:30,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae704f0e-f872-4d8c-8a3d-5a8a2ad8e96c/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-24 23:22:30,795 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2023-11-24 23:22:30,795 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:22:30,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1928715287, now seen corresponding path program 1 times [2023-11-24 23:22:30,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:22:30,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971697230] [2023-11-24 23:22:30,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:22:30,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:22:30,829 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 23:22:30,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [481040246] [2023-11-24 23:22:30,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:22:30,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:22:30,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae704f0e-f872-4d8c-8a3d-5a8a2ad8e96c/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:22:30,838 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae704f0e-f872-4d8c-8a3d-5a8a2ad8e96c/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:22:30,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae704f0e-f872-4d8c-8a3d-5a8a2ad8e96c/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-24 23:22:30,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:22:30,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:22:30,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:22:31,130 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:22:31,130 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:22:31,130 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:22:31,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971697230] [2023-11-24 23:22:31,131 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-24 23:22:31,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [481040246] [2023-11-24 23:22:31,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [481040246] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:22:31,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:22:31,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-24 23:22:31,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408503020] [2023-11-24 23:22:31,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:22:31,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-24 23:22:31,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:22:31,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-24 23:22:31,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:22:31,136 INFO L87 Difference]: Start difference. First operand 44 states and 45 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-24 23:22:31,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:22:31,237 INFO L93 Difference]: Finished difference Result 44 states and 45 transitions. [2023-11-24 23:22:31,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 23:22:31,238 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23 [2023-11-24 23:22:31,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:22:31,239 INFO L225 Difference]: With dead ends: 44 [2023-11-24 23:22:31,239 INFO L226 Difference]: Without dead ends: 42 [2023-11-24 23:22:31,240 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-11-24 23:22:31,241 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 48 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:22:31,242 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 33 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-24 23:22:31,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2023-11-24 23:22:31,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2023-11-24 23:22:31,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 35 states have internal predecessors, (35), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-24 23:22:31,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 43 transitions. [2023-11-24 23:22:31,254 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 43 transitions. Word has length 23 [2023-11-24 23:22:31,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:22:31,254 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 43 transitions. [2023-11-24 23:22:31,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-24 23:22:31,255 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 43 transitions. [2023-11-24 23:22:31,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:22:31,256 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:22:31,256 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:22:31,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae704f0e-f872-4d8c-8a3d-5a8a2ad8e96c/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-24 23:22:31,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae704f0e-f872-4d8c-8a3d-5a8a2ad8e96c/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:22:31,462 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2023-11-24 23:22:31,463 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:22:31,463 INFO L85 PathProgramCache]: Analyzing trace with hash 339368314, now seen corresponding path program 1 times [2023-11-24 23:22:31,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:22:31,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040941243] [2023-11-24 23:22:31,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:22:31,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:22:31,479 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 23:22:31,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1695601736] [2023-11-24 23:22:31,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:22:31,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:22:31,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae704f0e-f872-4d8c-8a3d-5a8a2ad8e96c/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:22:31,487 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae704f0e-f872-4d8c-8a3d-5a8a2ad8e96c/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:22:31,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae704f0e-f872-4d8c-8a3d-5a8a2ad8e96c/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-24 23:22:31,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:22:31,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:22:31,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:22:31,755 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:22:31,756 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:22:31,756 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:22:31,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040941243] [2023-11-24 23:22:31,756 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-24 23:22:31,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1695601736] [2023-11-24 23:22:31,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1695601736] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:22:31,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:22:31,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:22:31,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035707606] [2023-11-24 23:22:31,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:22:31,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-24 23:22:31,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:22:31,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-24 23:22:31,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-24 23:22:31,759 INFO L87 Difference]: Start difference. First operand 42 states and 43 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-24 23:22:31,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:22:31,811 INFO L93 Difference]: Finished difference Result 42 states and 43 transitions. [2023-11-24 23:22:31,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-24 23:22:31,812 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2023-11-24 23:22:31,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:22:31,814 INFO L225 Difference]: With dead ends: 42 [2023-11-24 23:22:31,815 INFO L226 Difference]: Without dead ends: 40 [2023-11-24 23:22:31,815 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-24 23:22:31,821 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 17 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:22:31,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 46 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-24 23:22:31,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2023-11-24 23:22:31,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2023-11-24 23:22:31,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 30 states have (on average 1.1) internal successors, (33), 33 states have internal predecessors, (33), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-24 23:22:31,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 41 transitions. [2023-11-24 23:22:31,837 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 41 transitions. Word has length 24 [2023-11-24 23:22:31,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:22:31,837 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 41 transitions. [2023-11-24 23:22:31,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-24 23:22:31,838 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 41 transitions. [2023-11-24 23:22:31,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:22:31,838 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:22:31,839 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:22:31,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae704f0e-f872-4d8c-8a3d-5a8a2ad8e96c/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-24 23:22:32,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae704f0e-f872-4d8c-8a3d-5a8a2ad8e96c/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:22:32,046 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2023-11-24 23:22:32,046 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:22:32,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1930483211, now seen corresponding path program 1 times [2023-11-24 23:22:32,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:22:32,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761495470] [2023-11-24 23:22:32,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:22:32,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:22:32,081 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 23:22:32,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1052330799] [2023-11-24 23:22:32,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:22:32,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:22:32,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae704f0e-f872-4d8c-8a3d-5a8a2ad8e96c/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:22:32,091 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae704f0e-f872-4d8c-8a3d-5a8a2ad8e96c/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:22:32,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae704f0e-f872-4d8c-8a3d-5a8a2ad8e96c/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-24 23:22:32,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:22:32,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 23:22:32,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:22:32,378 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:22:32,378 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:22:32,663 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:22:32,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761495470] [2023-11-24 23:22:32,664 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-24 23:22:32,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1052330799] [2023-11-24 23:22:32,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1052330799] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 23:22:32,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1119253490] [2023-11-24 23:22:32,668 INFO L159 IcfgInterpreter]: Started Sifa with 22 locations of interest [2023-11-24 23:22:32,668 INFO L166 IcfgInterpreter]: Building call graph [2023-11-24 23:22:32,669 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-24 23:22:32,669 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-24 23:22:32,669 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-24 23:22:33,228 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 3 for LOIs [2023-11-24 23:22:33,231 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-24 23:22:34,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1119253490] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:22:34,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-24 23:22:34,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 16 [2023-11-24 23:22:34,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141909258] [2023-11-24 23:22:34,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:22:34,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-24 23:22:34,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:22:34,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-24 23:22:34,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=270, Unknown=0, NotChecked=0, Total=380 [2023-11-24 23:22:34,347 INFO L87 Difference]: Start difference. First operand 40 states and 41 transitions. Second operand has 12 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-24 23:22:34,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:22:34,571 INFO L93 Difference]: Finished difference Result 40 states and 41 transitions. [2023-11-24 23:22:34,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-24 23:22:34,572 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 25 [2023-11-24 23:22:34,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:22:34,572 INFO L225 Difference]: With dead ends: 40 [2023-11-24 23:22:34,573 INFO L226 Difference]: Without dead ends: 0 [2023-11-24 23:22:34,573 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 35 SyntacticMatches, 10 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=110, Invalid=270, Unknown=0, NotChecked=0, Total=380 [2023-11-24 23:22:34,574 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 13 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-24 23:22:34,575 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 10 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-24 23:22:34,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-24 23:22:34,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-24 23:22:34,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 23:22:34,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-24 23:22:34,577 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2023-11-24 23:22:34,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:22:34,577 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-24 23:22:34,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-24 23:22:34,577 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-24 23:22:34,578 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 23:22:34,580 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 30 remaining) [2023-11-24 23:22:34,581 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 30 remaining) [2023-11-24 23:22:34,581 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 30 remaining) [2023-11-24 23:22:34,581 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 30 remaining) [2023-11-24 23:22:34,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 30 remaining) [2023-11-24 23:22:34,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 30 remaining) [2023-11-24 23:22:34,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 30 remaining) [2023-11-24 23:22:34,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 30 remaining) [2023-11-24 23:22:34,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 30 remaining) [2023-11-24 23:22:34,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 30 remaining) [2023-11-24 23:22:34,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 30 remaining) [2023-11-24 23:22:34,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 30 remaining) [2023-11-24 23:22:34,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 30 remaining) [2023-11-24 23:22:34,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 30 remaining) [2023-11-24 23:22:34,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 30 remaining) [2023-11-24 23:22:34,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 30 remaining) [2023-11-24 23:22:34,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 30 remaining) [2023-11-24 23:22:34,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 30 remaining) [2023-11-24 23:22:34,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 30 remaining) [2023-11-24 23:22:34,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 30 remaining) [2023-11-24 23:22:34,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 30 remaining) [2023-11-24 23:22:34,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 30 remaining) [2023-11-24 23:22:34,586 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 30 remaining) [2023-11-24 23:22:34,586 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 30 remaining) [2023-11-24 23:22:34,586 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 30 remaining) [2023-11-24 23:22:34,586 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 30 remaining) [2023-11-24 23:22:34,587 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 30 remaining) [2023-11-24 23:22:34,587 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 30 remaining) [2023-11-24 23:22:34,587 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 30 remaining) [2023-11-24 23:22:34,587 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 30 remaining) [2023-11-24 23:22:34,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae704f0e-f872-4d8c-8a3d-5a8a2ad8e96c/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-24 23:22:34,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae704f0e-f872-4d8c-8a3d-5a8a2ad8e96c/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:22:34,794 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-24 23:22:35,197 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-24 23:22:35,197 INFO L895 garLoopResultBuilder]: At program point L27(line 27) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (<= 0 (+ |ULTIMATE.start_main_~a~0#1| 2147483648)) (= (select |#length| 3) 12) (<= 1 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~a~0#1| 2147483647) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (<= |ULTIMATE.start_main_~z~0#1| 1) (= (select |#valid| 1) 1) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= (select .cse0 0) 48) (= 10 (select |#length| 2)) (= (select .cse0 1) 0) (<= 0 |ULTIMATE.start_main_~z~0#1|))) [2023-11-24 23:22:35,197 INFO L899 garLoopResultBuilder]: For program point L27-1(line 27) no Hoare annotation was computed. [2023-11-24 23:22:35,198 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 44) no Hoare annotation was computed. [2023-11-24 23:22:35,198 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2023-11-24 23:22:35,198 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2023-11-24 23:22:35,198 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 43) no Hoare annotation was computed. [2023-11-24 23:22:35,198 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2023-11-24 23:22:35,198 INFO L899 garLoopResultBuilder]: For program point L44-1(line 44) no Hoare annotation was computed. [2023-11-24 23:22:35,198 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-24 23:22:35,199 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-24 23:22:35,199 INFO L895 garLoopResultBuilder]: At program point L36-2(lines 36 45) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (= (select |#length| 3) 12) (<= |ULTIMATE.start_main_~k~0#1| 1) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~c~0#1| 1) (<= |ULTIMATE.start_main_~a~0#1| 1) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (<= |ULTIMATE.start_main_~z~0#1| 1) (= |ULTIMATE.start_main_~y~0#1| 1) (= (select |#valid| 1) 1) (= (select |#valid| 0) 0) (<= 0 |ULTIMATE.start_main_~a~0#1|) (= (select |#valid| 2) 1) (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~x~0#1|) (= (select .cse0 0) 48) (= 10 (select |#length| 2)) (= (select .cse0 1) 0) (= |ULTIMATE.start_main_~az~0#1| (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~z~0#1|)) (<= 0 |ULTIMATE.start_main_~z~0#1|))) [2023-11-24 23:22:35,199 INFO L899 garLoopResultBuilder]: For program point L36-3(lines 36 45) no Hoare annotation was computed. [2023-11-24 23:22:35,199 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2023-11-24 23:22:35,199 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-24 23:22:35,200 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2023-11-24 23:22:35,200 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 43) no Hoare annotation was computed. [2023-11-24 23:22:35,200 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2023-11-24 23:22:35,200 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2023-11-24 23:22:35,200 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 42) no Hoare annotation was computed. [2023-11-24 23:22:35,200 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-24 23:22:35,200 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2023-11-24 23:22:35,201 INFO L899 garLoopResultBuilder]: For program point L37-1(line 37) no Hoare annotation was computed. [2023-11-24 23:22:35,201 INFO L899 garLoopResultBuilder]: For program point L37-2(line 37) no Hoare annotation was computed. [2023-11-24 23:22:35,201 INFO L899 garLoopResultBuilder]: For program point L37-3(line 37) no Hoare annotation was computed. [2023-11-24 23:22:35,201 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2023-11-24 23:22:35,201 INFO L899 garLoopResultBuilder]: For program point L37-4(line 37) no Hoare annotation was computed. [2023-11-24 23:22:35,201 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-24 23:22:35,201 INFO L899 garLoopResultBuilder]: For program point L37-5(line 37) no Hoare annotation was computed. [2023-11-24 23:22:35,202 INFO L899 garLoopResultBuilder]: For program point L37-6(line 37) no Hoare annotation was computed. [2023-11-24 23:22:35,202 INFO L899 garLoopResultBuilder]: For program point L37-7(line 37) no Hoare annotation was computed. [2023-11-24 23:22:35,202 INFO L895 garLoopResultBuilder]: At program point L29(line 29) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= (select |#length| 3) 12) (<= 1 |#StackHeapBarrier|) (<= 0 (+ |ULTIMATE.start_main_~k~0#1| 2147483648)) (<= |ULTIMATE.start_main_~a~0#1| 1) (= 2 (select |#length| 1)) (<= |ULTIMATE.start_main_~k~0#1| 2147483647) (= (select |#valid| 3) 1) (<= |ULTIMATE.start_main_~z~0#1| 1) (= (select |#valid| 1) 1) (= (select |#valid| 0) 0) (<= 0 |ULTIMATE.start_main_~a~0#1|) (= (select |#valid| 2) 1) (= (select .cse0 0) 48) (= 10 (select |#length| 2)) (= (select .cse0 1) 0) (<= 0 |ULTIMATE.start_main_~z~0#1|))) [2023-11-24 23:22:35,202 INFO L899 garLoopResultBuilder]: For program point L37-8(line 37) no Hoare annotation was computed. [2023-11-24 23:22:35,202 INFO L899 garLoopResultBuilder]: For program point L29-1(line 29) no Hoare annotation was computed. [2023-11-24 23:22:35,202 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-24 23:22:35,203 INFO L899 garLoopResultBuilder]: For program point L37-9(line 37) no Hoare annotation was computed. [2023-11-24 23:22:35,203 INFO L895 garLoopResultBuilder]: At program point L37-10(line 37) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (= (select |#length| 3) 12) (<= |ULTIMATE.start_main_~k~0#1| 1) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~c~0#1| 1) (<= |ULTIMATE.start_main_~a~0#1| 1) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (<= |ULTIMATE.start_main_~z~0#1| 1) (= |ULTIMATE.start_main_~y~0#1| 1) (= (select |#valid| 1) 1) (= (select |#valid| 0) 0) (<= 0 |ULTIMATE.start_main_~a~0#1|) (= (select |#valid| 2) 1) (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~x~0#1|) (= (select .cse0 0) 48) (= 10 (select |#length| 2)) (= (select .cse0 1) 0) (= |ULTIMATE.start_main_~az~0#1| (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~z~0#1|)) (<= 0 |ULTIMATE.start_main_~z~0#1|))) [2023-11-24 23:22:35,203 INFO L899 garLoopResultBuilder]: For program point L37-11(lines 36 45) no Hoare annotation was computed. [2023-11-24 23:22:35,203 INFO L895 garLoopResultBuilder]: At program point L25(line 25) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= (select |#length| 3) 12) (<= 1 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~z~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_main_~z~0#1| 2147483648)) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= (select |#valid| 1) 1) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= (select .cse0 0) 48) (= 10 (select |#length| 2)) (= (select .cse0 1) 0))) [2023-11-24 23:22:35,203 INFO L899 garLoopResultBuilder]: For program point L25-1(line 25) no Hoare annotation was computed. [2023-11-24 23:22:35,204 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2023-11-24 23:22:35,204 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 43) no Hoare annotation was computed. [2023-11-24 23:22:35,204 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2023-11-24 23:22:35,204 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2023-11-24 23:22:35,204 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 42) no Hoare annotation was computed. [2023-11-24 23:22:35,204 INFO L899 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2023-11-24 23:22:35,205 INFO L899 garLoopResultBuilder]: For program point L46-1(line 46) no Hoare annotation was computed. [2023-11-24 23:22:35,205 INFO L899 garLoopResultBuilder]: For program point L46-2(line 46) no Hoare annotation was computed. [2023-11-24 23:22:35,205 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-24 23:22:35,205 INFO L899 garLoopResultBuilder]: For program point L46-3(line 46) no Hoare annotation was computed. [2023-11-24 23:22:35,205 INFO L899 garLoopResultBuilder]: For program point L42(line 42) no Hoare annotation was computed. [2023-11-24 23:22:35,205 INFO L899 garLoopResultBuilder]: For program point L46-4(line 46) no Hoare annotation was computed. [2023-11-24 23:22:35,205 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-24 23:22:35,206 INFO L899 garLoopResultBuilder]: For program point L42-1(line 42) no Hoare annotation was computed. [2023-11-24 23:22:35,206 INFO L899 garLoopResultBuilder]: For program point L46-5(line 46) no Hoare annotation was computed. [2023-11-24 23:22:35,206 INFO L899 garLoopResultBuilder]: For program point L46-6(line 46) no Hoare annotation was computed. [2023-11-24 23:22:35,206 INFO L899 garLoopResultBuilder]: For program point L46-7(line 46) no Hoare annotation was computed. [2023-11-24 23:22:35,206 INFO L899 garLoopResultBuilder]: For program point L46-8(line 46) no Hoare annotation was computed. [2023-11-24 23:22:35,206 INFO L895 garLoopResultBuilder]: At program point L46-9(line 46) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (= (select |#length| 3) 12) (<= |ULTIMATE.start_main_~k~0#1| 1) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~c~0#1| 1) (<= |ULTIMATE.start_main_~a~0#1| 1) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (<= |ULTIMATE.start_main_~z~0#1| 1) (= |ULTIMATE.start_main_~y~0#1| 1) (= (select |#valid| 1) 1) (= (select |#valid| 0) 0) (<= 0 |ULTIMATE.start_main_~a~0#1|) (= (select |#valid| 2) 1) (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~x~0#1|) (= (select .cse0 0) 48) (= 10 (select |#length| 2)) (= (select .cse0 1) 0) (<= 0 |ULTIMATE.start_main_~z~0#1|))) [2023-11-24 23:22:35,207 INFO L899 garLoopResultBuilder]: For program point L46-10(line 46) no Hoare annotation was computed. [2023-11-24 23:22:35,207 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2023-11-24 23:22:35,207 INFO L899 garLoopResultBuilder]: For program point L34-1(line 34) no Hoare annotation was computed. [2023-11-24 23:22:35,207 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2023-11-24 23:22:35,207 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-24 23:22:35,207 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 44) no Hoare annotation was computed. [2023-11-24 23:22:35,208 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2023-11-24 23:22:35,208 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 43) no Hoare annotation was computed. [2023-11-24 23:22:35,208 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-24 23:22:35,208 INFO L899 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2023-11-24 23:22:35,208 INFO L899 garLoopResultBuilder]: For program point L43-1(line 43) no Hoare annotation was computed. [2023-11-24 23:22:35,208 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-24 23:22:35,209 INFO L899 garLoopResultBuilder]: For program point L43-2(line 43) no Hoare annotation was computed. [2023-11-24 23:22:35,209 INFO L899 garLoopResultBuilder]: For program point L43-3(line 43) no Hoare annotation was computed. [2023-11-24 23:22:35,209 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 11 13) the Hoare annotation is: true [2023-11-24 23:22:35,209 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 11 13) no Hoare annotation was computed. [2023-11-24 23:22:35,209 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 14 20) no Hoare annotation was computed. [2023-11-24 23:22:35,209 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 14 20) the Hoare annotation is: true [2023-11-24 23:22:35,213 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-24 23:22:35,215 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:22:35,232 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated [2023-11-24 23:22:35,234 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated [2023-11-24 23:22:35,234 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated [2023-11-24 23:22:35,235 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated [2023-11-24 23:22:35,235 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated [2023-11-24 23:22:35,235 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated [2023-11-24 23:22:35,236 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated [2023-11-24 23:22:35,236 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated [2023-11-24 23:22:35,236 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated [2023-11-24 23:22:35,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:22:35 BoogieIcfgContainer [2023-11-24 23:22:35,239 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:22:35,239 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:22:35,240 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:22:35,240 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:22:35,241 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:22:28" (3/4) ... [2023-11-24 23:22:35,244 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 23:22:35,248 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-24 23:22:35,248 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-24 23:22:35,258 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-11-24 23:22:35,258 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-24 23:22:35,259 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-24 23:22:35,259 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:22:35,377 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae704f0e-f872-4d8c-8a3d-5a8a2ad8e96c/bin/utaipan-verify-SwPr7d2a91/witness.graphml [2023-11-24 23:22:35,379 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae704f0e-f872-4d8c-8a3d-5a8a2ad8e96c/bin/utaipan-verify-SwPr7d2a91/witness.yml [2023-11-24 23:22:35,379 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:22:35,380 INFO L158 Benchmark]: Toolchain (without parser) took 8310.17ms. Allocated memory was 151.0MB in the beginning and 220.2MB in the end (delta: 69.2MB). Free memory was 106.7MB in the beginning and 135.5MB in the end (delta: -28.8MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. [2023-11-24 23:22:35,380 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 115.3MB. Free memory is still 58.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:22:35,381 INFO L158 Benchmark]: CACSL2BoogieTranslator took 331.82ms. Allocated memory is still 151.0MB. Free memory was 106.3MB in the beginning and 95.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:22:35,381 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.56ms. Allocated memory is still 151.0MB. Free memory was 95.8MB in the beginning and 94.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:22:35,381 INFO L158 Benchmark]: Boogie Preprocessor took 25.24ms. Allocated memory is still 151.0MB. Free memory was 94.0MB in the beginning and 92.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:22:35,382 INFO L158 Benchmark]: RCFGBuilder took 638.05ms. Allocated memory is still 151.0MB. Free memory was 92.8MB in the beginning and 123.0MB in the end (delta: -30.1MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2023-11-24 23:22:35,382 INFO L158 Benchmark]: TraceAbstraction took 7122.33ms. Allocated memory was 151.0MB in the beginning and 220.2MB in the end (delta: 69.2MB). Free memory was 122.3MB in the beginning and 140.7MB in the end (delta: -18.4MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. [2023-11-24 23:22:35,383 INFO L158 Benchmark]: Witness Printer took 139.85ms. Allocated memory is still 220.2MB. Free memory was 140.7MB in the beginning and 135.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 23:22:35,386 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 115.3MB. Free memory is still 58.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 331.82ms. Allocated memory is still 151.0MB. Free memory was 106.3MB in the beginning and 95.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.56ms. Allocated memory is still 151.0MB. Free memory was 95.8MB in the beginning and 94.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.24ms. Allocated memory is still 151.0MB. Free memory was 94.0MB in the beginning and 92.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 638.05ms. Allocated memory is still 151.0MB. Free memory was 92.8MB in the beginning and 123.0MB in the end (delta: -30.1MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. * TraceAbstraction took 7122.33ms. Allocated memory was 151.0MB in the beginning and 220.2MB in the end (delta: 69.2MB). Free memory was 122.3MB in the beginning and 140.7MB in the end (delta: -18.4MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. * Witness Printer took 139.85ms. Allocated memory is still 220.2MB. Free memory was 140.7MB in the beginning and 135.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 77 locations, 30 error locations. Started 1 CEGAR loops. OverallTime: 7.0s, OverallIterations: 4, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 180 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 176 mSDsluCounter, 100 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 44 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 271 IncrementalHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 56 mSDtfsCounter, 271 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 143 GetRequests, 94 SyntacticMatches, 11 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=77occurred in iteration=0, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 13 PreInvPairs, 16 NumberOfFragments, 453 HoareAnnotationTreeSize, 13 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 78 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 82 ConstructedInterpolants, 17 QuantifiedInterpolants, 674 SizeOfPredicates, 8 NumberOfNonLiveVariables, 268 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 20/24 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: OVERALL_TIME: 1.3s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 4, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 35, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 25, TOOLS_POST_TIME: 0.2s, TOOLS_POST_CALL_APPLICATIONS: 18, TOOLS_POST_CALL_TIME: 0.5s, TOOLS_POST_RETURN_APPLICATIONS: 12, TOOLS_POST_RETURN_TIME: 0.2s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 55, TOOLS_QUANTIFIERELIM_TIME: 1.0s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 84, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 16, DOMAIN_JOIN_TIME: 0.2s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 35, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME: 0.0s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 12, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 445, DAG_COMPRESSION_RETAINED_NODES: 90, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 30 specifications checked. All of them hold - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: ((((((((((0 <= k) && (k <= 1)) && (c == 1)) && (a <= 1)) && (z <= 1)) && (y == 1)) && (0 <= a)) && (a == x)) && (az == (a * z))) && (0 <= z)) RESULT: Ultimate proved your program to be correct! [2023-11-24 23:22:35,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae704f0e-f872-4d8c-8a3d-5a8a2ad8e96c/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE