./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f99d1dc-bb2a-4d56-a125-3724227050be/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f99d1dc-bb2a-4d56-a125-3724227050be/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f99d1dc-bb2a-4d56-a125-3724227050be/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f99d1dc-bb2a-4d56-a125-3724227050be/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f99d1dc-bb2a-4d56-a125-3724227050be/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f99d1dc-bb2a-4d56-a125-3724227050be/bin/utaipan-verify-nQ1chXbOIh --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 0286582125bb2879636b8cf3b934bed172850a3a3b0d880c07306d10439134a7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 16:28:00,983 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 16:28:01,070 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f99d1dc-bb2a-4d56-a125-3724227050be/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-12-02 16:28:01,074 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 16:28:01,075 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 16:28:01,099 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 16:28:01,100 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 16:28:01,100 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 16:28:01,101 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 16:28:01,102 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 16:28:01,102 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 16:28:01,103 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 16:28:01,103 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 16:28:01,104 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 16:28:01,104 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 16:28:01,104 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 16:28:01,105 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 16:28:01,105 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 16:28:01,106 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 16:28:01,106 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 16:28:01,107 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 16:28:01,107 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 16:28:01,108 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 16:28:01,108 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 16:28:01,109 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 16:28:01,109 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 16:28:01,110 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 16:28:01,110 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 16:28:01,110 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 16:28:01,111 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 16:28:01,111 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 16:28:01,111 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 16:28:01,111 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 16:28:01,112 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 16:28:01,112 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 16:28:01,112 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 16:28:01,112 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 16:28:01,112 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 16:28:01,113 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 16:28:01,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:28:01,113 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 16:28:01,114 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 16:28:01,114 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 16:28:01,114 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 16:28:01,114 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 16:28:01,114 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 16:28:01,114 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 16:28:01,115 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 16:28:01,115 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 16:28:01,115 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_4f99d1dc-bb2a-4d56-a125-3724227050be/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f99d1dc-bb2a-4d56-a125-3724227050be/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0286582125bb2879636b8cf3b934bed172850a3a3b0d880c07306d10439134a7 [2023-12-02 16:28:01,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 16:28:01,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 16:28:01,400 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 16:28:01,401 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 16:28:01,402 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 16:28:01,403 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f99d1dc-bb2a-4d56-a125-3724227050be/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i [2023-12-02 16:28:04,155 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 16:28:04,316 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 16:28:04,316 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f99d1dc-bb2a-4d56-a125-3724227050be/sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i [2023-12-02 16:28:04,324 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f99d1dc-bb2a-4d56-a125-3724227050be/bin/utaipan-verify-nQ1chXbOIh/data/5fd885f3a/1a69b1a76e544f4690f814f743915676/FLAGacd7c4436 [2023-12-02 16:28:04,337 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f99d1dc-bb2a-4d56-a125-3724227050be/bin/utaipan-verify-nQ1chXbOIh/data/5fd885f3a/1a69b1a76e544f4690f814f743915676 [2023-12-02 16:28:04,339 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 16:28:04,340 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 16:28:04,342 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 16:28:04,342 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 16:28:04,346 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 16:28:04,347 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:28:04" (1/1) ... [2023-12-02 16:28:04,348 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25a7ddaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:28:04, skipping insertion in model container [2023-12-02 16:28:04,348 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:28:04" (1/1) ... [2023-12-02 16:28:04,368 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 16:28:04,513 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:28:04,523 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 16:28:04,548 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:28:04,563 INFO L206 MainTranslator]: Completed translation [2023-12-02 16:28:04,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:28:04 WrapperNode [2023-12-02 16:28:04,564 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 16:28:04,565 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 16:28:04,565 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 16:28:04,565 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 16:28:04,572 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:28:04" (1/1) ... [2023-12-02 16:28:04,580 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:28:04" (1/1) ... [2023-12-02 16:28:04,607 INFO L138 Inliner]: procedures = 18, calls = 30, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 195 [2023-12-02 16:28:04,607 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 16:28:04,608 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 16:28:04,608 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 16:28:04,608 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 16:28:04,616 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:28:04" (1/1) ... [2023-12-02 16:28:04,616 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:28:04" (1/1) ... [2023-12-02 16:28:04,620 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:28:04" (1/1) ... [2023-12-02 16:28:04,620 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:28:04" (1/1) ... [2023-12-02 16:28:04,628 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:28:04" (1/1) ... [2023-12-02 16:28:04,633 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:28:04" (1/1) ... [2023-12-02 16:28:04,635 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:28:04" (1/1) ... [2023-12-02 16:28:04,637 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:28:04" (1/1) ... [2023-12-02 16:28:04,640 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 16:28:04,641 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 16:28:04,641 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 16:28:04,641 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 16:28:04,642 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:28:04" (1/1) ... [2023-12-02 16:28:04,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:28:04,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f99d1dc-bb2a-4d56-a125-3724227050be/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:28:04,687 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f99d1dc-bb2a-4d56-a125-3724227050be/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 16:28:04,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f99d1dc-bb2a-4d56-a125-3724227050be/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 16:28:04,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 16:28:04,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 16:28:04,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 16:28:04,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 16:28:04,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 16:28:04,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 16:28:04,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 16:28:04,717 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 16:28:04,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 16:28:04,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 16:28:04,811 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 16:28:04,813 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 16:28:05,093 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 16:28:05,158 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 16:28:05,158 INFO L309 CfgBuilder]: Removed 10 assume(true) statements. [2023-12-02 16:28:05,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:28:05 BoogieIcfgContainer [2023-12-02 16:28:05,160 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 16:28:05,163 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 16:28:05,163 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 16:28:05,166 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 16:28:05,166 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:28:04" (1/3) ... [2023-12-02 16:28:05,167 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25f5b7a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:28:05, skipping insertion in model container [2023-12-02 16:28:05,167 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:28:04" (2/3) ... [2023-12-02 16:28:05,168 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25f5b7a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:28:05, skipping insertion in model container [2023-12-02 16:28:05,168 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:28:05" (3/3) ... [2023-12-02 16:28:05,169 INFO L112 eAbstractionObserver]: Analyzing ICFG data_structures_set_multi_proc_trivial_ground.i [2023-12-02 16:28:05,189 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 16:28:05,189 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2023-12-02 16:28:05,232 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 16:28:05,238 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;@5a2176d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 16:28:05,239 INFO L358 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2023-12-02 16:28:05,243 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 47 states have (on average 1.851063829787234) internal successors, (87), 75 states have internal predecessors, (87), 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) [2023-12-02 16:28:05,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 16:28:05,249 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:28:05,249 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-12-02 16:28:05,250 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2023-12-02 16:28:05,254 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:28:05,254 INFO L85 PathProgramCache]: Analyzing trace with hash 274859, now seen corresponding path program 1 times [2023-12-02 16:28:05,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:28:05,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755875958] [2023-12-02 16:28:05,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:28:05,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:28:05,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:28:05,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:28:05,466 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:28:05,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755875958] [2023-12-02 16:28:05,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755875958] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:28:05,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:28:05,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 16:28:05,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868468209] [2023-12-02 16:28:05,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:28:05,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 16:28:05,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:28:05,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 16:28:05,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 16:28:05,504 INFO L87 Difference]: Start difference. First operand has 80 states, 47 states have (on average 1.851063829787234) internal successors, (87), 75 states have internal predecessors, (87), 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) Second operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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) [2023-12-02 16:28:05,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:28:05,699 INFO L93 Difference]: Finished difference Result 224 states and 270 transitions. [2023-12-02 16:28:05,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 16:28:05,702 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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) Word has length 3 [2023-12-02 16:28:05,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:28:05,710 INFO L225 Difference]: With dead ends: 224 [2023-12-02 16:28:05,710 INFO L226 Difference]: Without dead ends: 147 [2023-12-02 16:28:05,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 16:28:05,716 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 70 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 16:28:05,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 179 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 16:28:05,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2023-12-02 16:28:05,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 91. [2023-12-02 16:28:05,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 59 states have (on average 1.694915254237288) internal successors, (100), 86 states have internal predecessors, (100), 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) [2023-12-02 16:28:05,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 106 transitions. [2023-12-02 16:28:05,757 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 106 transitions. Word has length 3 [2023-12-02 16:28:05,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:28:05,758 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 106 transitions. [2023-12-02 16:28:05,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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) [2023-12-02 16:28:05,758 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 106 transitions. [2023-12-02 16:28:05,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 16:28:05,758 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:28:05,758 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2023-12-02 16:28:05,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 16:28:05,759 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2023-12-02 16:28:05,760 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:28:05,760 INFO L85 PathProgramCache]: Analyzing trace with hash -401557255, now seen corresponding path program 1 times [2023-12-02 16:28:05,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:28:05,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373087240] [2023-12-02 16:28:05,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:28:05,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:28:05,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:28:05,878 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:28:05,878 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:28:05,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373087240] [2023-12-02 16:28:05,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373087240] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 16:28:05,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [167053121] [2023-12-02 16:28:05,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:28:05,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:28:05,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f99d1dc-bb2a-4d56-a125-3724227050be/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:28:05,886 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f99d1dc-bb2a-4d56-a125-3724227050be/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 16:28:05,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f99d1dc-bb2a-4d56-a125-3724227050be/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 16:28:05,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:28:05,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 16:28:05,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:28:06,017 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:28:06,017 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:28:06,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [167053121] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:28:06,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 16:28:06,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 8 [2023-12-02 16:28:06,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283009838] [2023-12-02 16:28:06,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:28:06,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 16:28:06,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:28:06,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 16:28:06,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-12-02 16:28:06,022 INFO L87 Difference]: Start difference. First operand 91 states and 106 transitions. Second operand has 5 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 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) [2023-12-02 16:28:06,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:28:06,153 INFO L93 Difference]: Finished difference Result 147 states and 173 transitions. [2023-12-02 16:28:06,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 16:28:06,154 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 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) Word has length 6 [2023-12-02 16:28:06,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:28:06,156 INFO L225 Difference]: With dead ends: 147 [2023-12-02 16:28:06,156 INFO L226 Difference]: Without dead ends: 146 [2023-12-02 16:28:06,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-12-02 16:28:06,158 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 73 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 16:28:06,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 184 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 16:28:06,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2023-12-02 16:28:06,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 90. [2023-12-02 16:28:06,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 59 states have (on average 1.6779661016949152) internal successors, (99), 85 states have internal predecessors, (99), 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) [2023-12-02 16:28:06,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 105 transitions. [2023-12-02 16:28:06,171 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 105 transitions. Word has length 6 [2023-12-02 16:28:06,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:28:06,172 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 105 transitions. [2023-12-02 16:28:06,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 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) [2023-12-02 16:28:06,172 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 105 transitions. [2023-12-02 16:28:06,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 16:28:06,173 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:28:06,173 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1] [2023-12-02 16:28:06,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f99d1dc-bb2a-4d56-a125-3724227050be/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 16:28:06,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f99d1dc-bb2a-4d56-a125-3724227050be/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:28:06,378 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2023-12-02 16:28:06,378 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:28:06,378 INFO L85 PathProgramCache]: Analyzing trace with hash 436627029, now seen corresponding path program 1 times [2023-12-02 16:28:06,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:28:06,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008739271] [2023-12-02 16:28:06,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:28:06,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:28:06,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:28:06,425 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 16:28:06,425 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:28:06,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008739271] [2023-12-02 16:28:06,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008739271] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:28:06,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:28:06,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 16:28:06,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796472000] [2023-12-02 16:28:06,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:28:06,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 16:28:06,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:28:06,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 16:28:06,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 16:28:06,429 INFO L87 Difference]: Start difference. First operand 90 states and 105 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2023-12-02 16:28:06,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:28:06,465 INFO L93 Difference]: Finished difference Result 90 states and 105 transitions. [2023-12-02 16:28:06,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 16:28:06,466 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) Word has length 7 [2023-12-02 16:28:06,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:28:06,467 INFO L225 Difference]: With dead ends: 90 [2023-12-02 16:28:06,467 INFO L226 Difference]: Without dead ends: 89 [2023-12-02 16:28:06,468 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 16:28:06,469 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 0 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 16:28:06,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 140 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 16:28:06,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2023-12-02 16:28:06,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2023-12-02 16:28:06,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 57 states have (on average 1.6842105263157894) internal successors, (96), 82 states have internal predecessors, (96), 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) [2023-12-02 16:28:06,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 102 transitions. [2023-12-02 16:28:06,479 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 102 transitions. Word has length 7 [2023-12-02 16:28:06,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:28:06,479 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 102 transitions. [2023-12-02 16:28:06,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2023-12-02 16:28:06,480 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 102 transitions. [2023-12-02 16:28:06,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 16:28:06,480 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:28:06,480 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:28:06,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 16:28:06,481 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2023-12-02 16:28:06,481 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:28:06,481 INFO L85 PathProgramCache]: Analyzing trace with hash 651227475, now seen corresponding path program 1 times [2023-12-02 16:28:06,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:28:06,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454753826] [2023-12-02 16:28:06,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:28:06,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:28:06,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:28:06,595 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:28:06,595 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:28:06,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454753826] [2023-12-02 16:28:06,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454753826] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 16:28:06,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1926426664] [2023-12-02 16:28:06,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:28:06,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:28:06,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f99d1dc-bb2a-4d56-a125-3724227050be/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:28:06,598 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f99d1dc-bb2a-4d56-a125-3724227050be/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 16:28:06,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f99d1dc-bb2a-4d56-a125-3724227050be/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 16:28:06,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:28:06,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 16:28:06,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:28:06,702 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:28:06,702 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 16:28:06,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:28:06,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1926426664] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 16:28:06,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [32848096] [2023-12-02 16:28:06,752 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2023-12-02 16:28:06,752 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 16:28:06,756 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 16:28:06,761 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 16:28:06,761 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 16:28:07,318 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 16:28:07,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [32848096] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:28:07,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-12-02 16:28:07,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4, 4, 4] total 14 [2023-12-02 16:28:07,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864976966] [2023-12-02 16:28:07,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:28:07,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 16:28:07,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:28:07,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 16:28:07,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2023-12-02 16:28:07,534 INFO L87 Difference]: Start difference. First operand 87 states and 102 transitions. Second operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 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) [2023-12-02 16:28:07,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:28:07,749 INFO L93 Difference]: Finished difference Result 175 states and 208 transitions. [2023-12-02 16:28:07,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 16:28:07,749 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 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) Word has length 8 [2023-12-02 16:28:07,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:28:07,751 INFO L225 Difference]: With dead ends: 175 [2023-12-02 16:28:07,751 INFO L226 Difference]: Without dead ends: 93 [2023-12-02 16:28:07,752 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2023-12-02 16:28:07,753 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 64 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 16:28:07,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 135 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 16:28:07,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2023-12-02 16:28:07,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 83. [2023-12-02 16:28:07,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 60 states have (on average 1.6166666666666667) internal successors, (97), 79 states have internal predecessors, (97), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-02 16:28:07,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 101 transitions. [2023-12-02 16:28:07,765 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 101 transitions. Word has length 8 [2023-12-02 16:28:07,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:28:07,765 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 101 transitions. [2023-12-02 16:28:07,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 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) [2023-12-02 16:28:07,765 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 101 transitions. [2023-12-02 16:28:07,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 16:28:07,766 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:28:07,766 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:28:07,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f99d1dc-bb2a-4d56-a125-3724227050be/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-02 16:28:07,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f99d1dc-bb2a-4d56-a125-3724227050be/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:28:07,967 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2023-12-02 16:28:07,967 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:28:07,967 INFO L85 PathProgramCache]: Analyzing trace with hash 350540295, now seen corresponding path program 1 times [2023-12-02 16:28:07,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:28:07,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529775671] [2023-12-02 16:28:07,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:28:07,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:28:07,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:28:08,045 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 16:28:08,045 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:28:08,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529775671] [2023-12-02 16:28:08,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529775671] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 16:28:08,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1399141964] [2023-12-02 16:28:08,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:28:08,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:28:08,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f99d1dc-bb2a-4d56-a125-3724227050be/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:28:08,047 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f99d1dc-bb2a-4d56-a125-3724227050be/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 16:28:08,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f99d1dc-bb2a-4d56-a125-3724227050be/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-02 16:28:08,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:28:08,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 16:28:08,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:28:08,129 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 16:28:08,129 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 16:28:08,165 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 16:28:08,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1399141964] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 16:28:08,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [607078033] [2023-12-02 16:28:08,167 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2023-12-02 16:28:08,168 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 16:28:08,168 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 16:28:08,168 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 16:28:08,169 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 16:28:08,681 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 16:28:09,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [607078033] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:28:09,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-12-02 16:28:09,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [4, 4, 4] total 15 [2023-12-02 16:28:09,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736522727] [2023-12-02 16:28:09,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:28:09,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-02 16:28:09,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:28:09,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-02 16:28:09,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2023-12-02 16:28:09,219 INFO L87 Difference]: Start difference. First operand 83 states and 101 transitions. Second operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 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) [2023-12-02 16:28:09,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:28:09,442 INFO L93 Difference]: Finished difference Result 93 states and 107 transitions. [2023-12-02 16:28:09,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 16:28:09,442 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 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) Word has length 11 [2023-12-02 16:28:09,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:28:09,443 INFO L225 Difference]: With dead ends: 93 [2023-12-02 16:28:09,443 INFO L226 Difference]: Without dead ends: 91 [2023-12-02 16:28:09,444 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 19 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2023-12-02 16:28:09,445 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 27 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 16:28:09,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 193 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 16:28:09,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2023-12-02 16:28:09,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 79. [2023-12-02 16:28:09,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 58 states have (on average 1.603448275862069) internal successors, (93), 75 states have internal predecessors, (93), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-02 16:28:09,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 97 transitions. [2023-12-02 16:28:09,454 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 97 transitions. Word has length 11 [2023-12-02 16:28:09,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:28:09,455 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 97 transitions. [2023-12-02 16:28:09,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 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) [2023-12-02 16:28:09,455 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 97 transitions. [2023-12-02 16:28:09,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 16:28:09,456 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:28:09,456 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:28:09,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f99d1dc-bb2a-4d56-a125-3724227050be/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-02 16:28:09,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f99d1dc-bb2a-4d56-a125-3724227050be/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:28:09,657 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2023-12-02 16:28:09,657 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:28:09,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1889288199, now seen corresponding path program 1 times [2023-12-02 16:28:09,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:28:09,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15791302] [2023-12-02 16:28:09,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:28:09,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:28:09,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:28:09,720 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 16:28:09,721 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:28:09,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15791302] [2023-12-02 16:28:09,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15791302] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 16:28:09,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1605849357] [2023-12-02 16:28:09,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:28:09,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:28:09,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f99d1dc-bb2a-4d56-a125-3724227050be/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:28:09,723 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f99d1dc-bb2a-4d56-a125-3724227050be/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 16:28:09,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f99d1dc-bb2a-4d56-a125-3724227050be/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 16:28:09,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:28:09,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 16:28:09,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:28:09,810 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 16:28:09,811 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 16:28:09,836 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 16:28:09,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1605849357] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 16:28:09,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [689945391] [2023-12-02 16:28:09,839 INFO L159 IcfgInterpreter]: Started Sifa with 13 locations of interest [2023-12-02 16:28:09,839 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 16:28:09,840 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 16:28:09,840 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 16:28:09,840 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 16:28:10,352 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 16:28:10,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [689945391] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:28:10,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-12-02 16:28:10,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [4, 4, 4] total 16 [2023-12-02 16:28:10,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015618627] [2023-12-02 16:28:10,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:28:10,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-02 16:28:10,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:28:10,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-02 16:28:10,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2023-12-02 16:28:10,794 INFO L87 Difference]: Start difference. First operand 79 states and 97 transitions. Second operand has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 8 states have internal predecessors, (14), 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) [2023-12-02 16:28:11,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:28:11,245 INFO L93 Difference]: Finished difference Result 174 states and 206 transitions. [2023-12-02 16:28:11,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 16:28:11,245 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 8 states have internal predecessors, (14), 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) Word has length 14 [2023-12-02 16:28:11,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:28:11,247 INFO L225 Difference]: With dead ends: 174 [2023-12-02 16:28:11,247 INFO L226 Difference]: Without dead ends: 105 [2023-12-02 16:28:11,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 27 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=123, Invalid=339, Unknown=0, NotChecked=0, Total=462 [2023-12-02 16:28:11,248 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 41 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 16:28:11,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 254 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 16:28:11,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2023-12-02 16:28:11,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 81. [2023-12-02 16:28:11,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 60 states have (on average 1.5833333333333333) internal successors, (95), 77 states have internal predecessors, (95), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-02 16:28:11,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 99 transitions. [2023-12-02 16:28:11,258 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 99 transitions. Word has length 14 [2023-12-02 16:28:11,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:28:11,259 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 99 transitions. [2023-12-02 16:28:11,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 8 states have internal predecessors, (14), 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) [2023-12-02 16:28:11,259 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 99 transitions. [2023-12-02 16:28:11,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 16:28:11,259 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:28:11,259 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:28:11,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f99d1dc-bb2a-4d56-a125-3724227050be/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-02 16:28:11,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f99d1dc-bb2a-4d56-a125-3724227050be/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:28:11,460 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2023-12-02 16:28:11,460 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:28:11,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1557054270, now seen corresponding path program 1 times [2023-12-02 16:28:11,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:28:11,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588679984] [2023-12-02 16:28:11,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:28:11,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:28:11,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:28:11,521 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 16:28:11,521 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:28:11,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588679984] [2023-12-02 16:28:11,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588679984] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 16:28:11,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1486805530] [2023-12-02 16:28:11,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:28:11,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:28:11,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f99d1dc-bb2a-4d56-a125-3724227050be/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:28:11,523 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f99d1dc-bb2a-4d56-a125-3724227050be/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 16:28:11,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f99d1dc-bb2a-4d56-a125-3724227050be/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-02 16:28:11,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:28:11,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 16:28:11,593 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:28:11,610 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 16:28:11,610 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 16:28:11,645 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 16:28:11,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1486805530] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 16:28:11,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1098668524] [2023-12-02 16:28:11,648 INFO L159 IcfgInterpreter]: Started Sifa with 14 locations of interest [2023-12-02 16:28:11,648 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 16:28:11,648 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 16:28:11,649 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 16:28:11,649 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 16:28:12,144 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 16:28:12,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1098668524] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:28:12,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-12-02 16:28:12,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [4, 4, 4] total 18 [2023-12-02 16:28:12,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565645251] [2023-12-02 16:28:12,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:28:12,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-02 16:28:12,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:28:12,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-02 16:28:12,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2023-12-02 16:28:12,769 INFO L87 Difference]: Start difference. First operand 81 states and 99 transitions. Second operand has 11 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 10 states have internal predecessors, (15), 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) [2023-12-02 16:28:13,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:28:13,327 INFO L93 Difference]: Finished difference Result 159 states and 183 transitions. [2023-12-02 16:28:13,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 16:28:13,328 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 10 states have internal predecessors, (15), 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) Word has length 15 [2023-12-02 16:28:13,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:28:13,329 INFO L225 Difference]: With dead ends: 159 [2023-12-02 16:28:13,329 INFO L226 Difference]: Without dead ends: 101 [2023-12-02 16:28:13,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 28 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=151, Invalid=449, Unknown=0, NotChecked=0, Total=600 [2023-12-02 16:28:13,330 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 36 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 16:28:13,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 241 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 16:28:13,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2023-12-02 16:28:13,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 83. [2023-12-02 16:28:13,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 62 states have (on average 1.564516129032258) internal successors, (97), 79 states have internal predecessors, (97), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-02 16:28:13,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 101 transitions. [2023-12-02 16:28:13,337 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 101 transitions. Word has length 15 [2023-12-02 16:28:13,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:28:13,337 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 101 transitions. [2023-12-02 16:28:13,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 10 states have internal predecessors, (15), 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) [2023-12-02 16:28:13,337 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 101 transitions. [2023-12-02 16:28:13,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 16:28:13,337 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:28:13,338 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:28:13,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f99d1dc-bb2a-4d56-a125-3724227050be/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-02 16:28:13,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f99d1dc-bb2a-4d56-a125-3724227050be/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-12-02 16:28:13,538 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2023-12-02 16:28:13,539 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:28:13,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1680278950, now seen corresponding path program 1 times [2023-12-02 16:28:13,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:28:13,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594516694] [2023-12-02 16:28:13,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:28:13,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:28:13,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:28:13,591 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 16:28:13,592 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:28:13,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594516694] [2023-12-02 16:28:13,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594516694] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 16:28:13,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1258236588] [2023-12-02 16:28:13,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:28:13,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:28:13,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f99d1dc-bb2a-4d56-a125-3724227050be/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:28:13,594 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f99d1dc-bb2a-4d56-a125-3724227050be/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 16:28:13,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f99d1dc-bb2a-4d56-a125-3724227050be/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-02 16:28:13,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:28:13,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 16:28:13,660 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:28:13,673 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 16:28:13,673 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 16:28:13,695 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 16:28:13,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1258236588] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 16:28:13,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [402742439] [2023-12-02 16:28:13,698 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2023-12-02 16:28:13,698 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 16:28:13,698 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 16:28:13,698 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 16:28:13,698 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 16:28:14,092 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 16:28:14,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [402742439] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:28:14,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-12-02 16:28:14,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [4, 4, 4] total 20 [2023-12-02 16:28:14,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708817633] [2023-12-02 16:28:14,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:28:14,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 16:28:14,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:28:14,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 16:28:14,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2023-12-02 16:28:14,684 INFO L87 Difference]: Start difference. First operand 83 states and 101 transitions. Second operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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) [2023-12-02 16:28:15,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:28:15,336 INFO L93 Difference]: Finished difference Result 120 states and 137 transitions. [2023-12-02 16:28:15,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 16:28:15,336 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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) Word has length 17 [2023-12-02 16:28:15,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:28:15,337 INFO L225 Difference]: With dead ends: 120 [2023-12-02 16:28:15,337 INFO L226 Difference]: Without dead ends: 118 [2023-12-02 16:28:15,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 32 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=172, Invalid=530, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:28:15,339 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 51 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 16:28:15,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 272 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 16:28:15,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2023-12-02 16:28:15,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 87. [2023-12-02 16:28:15,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 66 states have (on average 1.5303030303030303) internal successors, (101), 83 states have internal predecessors, (101), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-02 16:28:15,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 105 transitions. [2023-12-02 16:28:15,349 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 105 transitions. Word has length 17 [2023-12-02 16:28:15,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:28:15,349 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 105 transitions. [2023-12-02 16:28:15,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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) [2023-12-02 16:28:15,350 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 105 transitions. [2023-12-02 16:28:15,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 16:28:15,350 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:28:15,351 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:28:15,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f99d1dc-bb2a-4d56-a125-3724227050be/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-12-02 16:28:15,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f99d1dc-bb2a-4d56-a125-3724227050be/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-12-02 16:28:15,551 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2023-12-02 16:28:15,552 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:28:15,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1264863595, now seen corresponding path program 1 times [2023-12-02 16:28:15,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:28:15,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135575550] [2023-12-02 16:28:15,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:28:15,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:28:15,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:28:15,598 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 16:28:15,599 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:28:15,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135575550] [2023-12-02 16:28:15,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135575550] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 16:28:15,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [767840275] [2023-12-02 16:28:15,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:28:15,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:28:15,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f99d1dc-bb2a-4d56-a125-3724227050be/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:28:15,600 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f99d1dc-bb2a-4d56-a125-3724227050be/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 16:28:15,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f99d1dc-bb2a-4d56-a125-3724227050be/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-02 16:28:15,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:28:15,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 16:28:15,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:28:15,688 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 16:28:15,688 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 16:28:15,714 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 16:28:15,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [767840275] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 16:28:15,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1690803693] [2023-12-02 16:28:15,717 INFO L159 IcfgInterpreter]: Started Sifa with 19 locations of interest [2023-12-02 16:28:15,717 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 16:28:15,717 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 16:28:15,717 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 16:28:15,718 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 16:28:16,215 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 16:28:17,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1690803693] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:28:17,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-12-02 16:28:17,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [4, 4, 4] total 21 [2023-12-02 16:28:17,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401445220] [2023-12-02 16:28:17,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:28:17,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-02 16:28:17,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:28:17,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-02 16:28:17,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=334, Unknown=0, NotChecked=0, Total=462 [2023-12-02 16:28:17,099 INFO L87 Difference]: Start difference. First operand 87 states and 105 transitions. Second operand has 14 states, 14 states have (on average 1.5) internal successors, (21), 13 states have internal predecessors, (21), 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) [2023-12-02 16:28:17,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:28:17,468 INFO L93 Difference]: Finished difference Result 99 states and 121 transitions. [2023-12-02 16:28:17,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 16:28:17,469 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.5) internal successors, (21), 13 states have internal predecessors, (21), 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) Word has length 22 [2023-12-02 16:28:17,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:28:17,469 INFO L225 Difference]: With dead ends: 99 [2023-12-02 16:28:17,469 INFO L226 Difference]: Without dead ends: 0 [2023-12-02 16:28:17,470 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 45 SyntacticMatches, 3 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 248 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=203, Invalid=609, Unknown=0, NotChecked=0, Total=812 [2023-12-02 16:28:17,471 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 12 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 16:28:17,471 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 1 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 16:28:17,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-02 16:28:17,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-02 16:28:17,472 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) [2023-12-02 16:28:17,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-02 16:28:17,472 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2023-12-02 16:28:17,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:28:17,472 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-02 16:28:17,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.5) internal successors, (21), 13 states have internal predecessors, (21), 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) [2023-12-02 16:28:17,472 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-02 16:28:17,472 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 16:28:17,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 28 remaining) [2023-12-02 16:28:17,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 28 remaining) [2023-12-02 16:28:17,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 28 remaining) [2023-12-02 16:28:17,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 28 remaining) [2023-12-02 16:28:17,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 28 remaining) [2023-12-02 16:28:17,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 28 remaining) [2023-12-02 16:28:17,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 28 remaining) [2023-12-02 16:28:17,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 28 remaining) [2023-12-02 16:28:17,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 28 remaining) [2023-12-02 16:28:17,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 28 remaining) [2023-12-02 16:28:17,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 28 remaining) [2023-12-02 16:28:17,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 28 remaining) [2023-12-02 16:28:17,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 28 remaining) [2023-12-02 16:28:17,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 28 remaining) [2023-12-02 16:28:17,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 28 remaining) [2023-12-02 16:28:17,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 28 remaining) [2023-12-02 16:28:17,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 28 remaining) [2023-12-02 16:28:17,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 28 remaining) [2023-12-02 16:28:17,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 28 remaining) [2023-12-02 16:28:17,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 28 remaining) [2023-12-02 16:28:17,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 28 remaining) [2023-12-02 16:28:17,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 28 remaining) [2023-12-02 16:28:17,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 28 remaining) [2023-12-02 16:28:17,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 28 remaining) [2023-12-02 16:28:17,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 28 remaining) [2023-12-02 16:28:17,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 28 remaining) [2023-12-02 16:28:17,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 28 remaining) [2023-12-02 16:28:17,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 28 remaining) [2023-12-02 16:28:17,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f99d1dc-bb2a-4d56-a125-3724227050be/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-12-02 16:28:17,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f99d1dc-bb2a-4d56-a125-3724227050be/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:28:17,679 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-02 16:28:18,184 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) no Hoare annotation was computed. [2023-12-02 16:28:18,184 INFO L899 garLoopResultBuilder]: For program point L52(lines 52 54) no Hoare annotation was computed. [2023-12-02 16:28:18,184 INFO L899 garLoopResultBuilder]: For program point L52-2(lines 52 54) no Hoare annotation was computed. [2023-12-02 16:28:18,184 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 56) no Hoare annotation was computed. [2023-12-02 16:28:18,184 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW(line 62) no Hoare annotation was computed. [2023-12-02 16:28:18,185 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 47) no Hoare annotation was computed. [2023-12-02 16:28:18,185 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW(line 62) no Hoare annotation was computed. [2023-12-02 16:28:18,185 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 47) no Hoare annotation was computed. [2023-12-02 16:28:18,185 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2023-12-02 16:28:18,185 INFO L899 garLoopResultBuilder]: For program point L55-3(line 55) no Hoare annotation was computed. [2023-12-02 16:28:18,185 INFO L899 garLoopResultBuilder]: For program point L22-3(line 22) no Hoare annotation was computed. [2023-12-02 16:28:18,185 INFO L899 garLoopResultBuilder]: For program point L55-4(line 55) no Hoare annotation was computed. [2023-12-02 16:28:18,185 INFO L899 garLoopResultBuilder]: For program point L22-4(line 22) no Hoare annotation was computed. [2023-12-02 16:28:18,186 INFO L895 garLoopResultBuilder]: At program point L55-5(lines 55 59) the Hoare annotation is: (let ((.cse0 (<= 1 |#StackHeapBarrier|)) (.cse1 (= |ULTIMATE.start_main_~#values~0#1.offset| 0)) (.cse2 (= 0 |ULTIMATE.start_elem_exists_#res#1|)) (.cse3 (= |ULTIMATE.start_main_~#set~0#1.offset| 0)) (.cse4 (= |ULTIMATE.start_main_~n~0#1| 0)) (.cse5 (<= 2 |ULTIMATE.start_main_~#values~0#1.base|)) (.cse6 (<= 2 |ULTIMATE.start_main_~#set~0#1.base|)) (.cse7 (= |ULTIMATE.start_main_~x~0#1| 0))) (or (and .cse0 .cse1 .cse2 (<= 1 |ULTIMATE.start_main_~v~0#1|) .cse3 .cse4 .cse5 .cse6 .cse7 (<= |ULTIMATE.start_main_~v~0#1| 99999)) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= |ULTIMATE.start_main_~v~0#1| 0) .cse5 .cse6 .cse7))) [2023-12-02 16:28:18,186 INFO L895 garLoopResultBuilder]: At program point L22-5(lines 22 24) the Hoare annotation is: (and (let ((.cse0 (= |ULTIMATE.start_elem_exists_~size#1| 0)) (.cse1 (= |ULTIMATE.start_elem_exists_~set#1.offset| 0)) (.cse2 (= |ULTIMATE.start_elem_exists_#in~set#1.offset| 0)) (.cse3 (= |ULTIMATE.start_main_~#values~0#1.offset| 0)) (.cse4 (= |ULTIMATE.start_elem_exists_~i~0#1| 0)) (.cse5 (<= 2 |ULTIMATE.start_main_~#values~0#1.base|)) (.cse6 (= |ULTIMATE.start_elem_exists_#in~size#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 |ULTIMATE.start_main_~v~0#1|) .cse5 .cse6 (<= |ULTIMATE.start_main_~v~0#1| 99999)) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= |ULTIMATE.start_main_~v~0#1| 0) .cse5 .cse6))) (= |ULTIMATE.start_elem_exists_~set#1.base| |ULTIMATE.start_elem_exists_#in~set#1.base|) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_elem_exists_#in~value#1| |ULTIMATE.start_main_#t~mem12#1|) (= (select (select |#memory_int| |ULTIMATE.start_main_~#values~0#1.base|) (* |ULTIMATE.start_main_~v~0#1| 4)) |ULTIMATE.start_main_#t~mem12#1|) (= |ULTIMATE.start_main_~#set~0#1.base| |ULTIMATE.start_elem_exists_#in~set#1.base|) (= |ULTIMATE.start_main_~#set~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1| 0) (<= 2 |ULTIMATE.start_main_~#set~0#1.base|) (= |ULTIMATE.start_main_~x~0#1| 0) (= |ULTIMATE.start_elem_exists_#in~value#1| |ULTIMATE.start_elem_exists_~value#1|)) [2023-12-02 16:28:18,186 INFO L899 garLoopResultBuilder]: For program point L39-3(line 39) no Hoare annotation was computed. [2023-12-02 16:28:18,186 INFO L899 garLoopResultBuilder]: For program point L39-4(line 39) no Hoare annotation was computed. [2023-12-02 16:28:18,186 INFO L895 garLoopResultBuilder]: At program point L39-5(lines 39 43) the Hoare annotation is: (and (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~#set~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1| 0) (<= 2 |ULTIMATE.start_main_~#set~0#1.base|) (= |ULTIMATE.start_main_~x~0#1| 0)) [2023-12-02 16:28:18,186 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2023-12-02 16:28:18,186 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2023-12-02 16:28:18,186 INFO L899 garLoopResultBuilder]: For program point L23(line 23) no Hoare annotation was computed. [2023-12-02 16:28:18,187 INFO L899 garLoopResultBuilder]: For program point L56-1(line 56) no Hoare annotation was computed. [2023-12-02 16:28:18,187 INFO L899 garLoopResultBuilder]: For program point L56-5(line 56) no Hoare annotation was computed. [2023-12-02 16:28:18,187 INFO L899 garLoopResultBuilder]: For program point L56-6(line 56) no Hoare annotation was computed. [2023-12-02 16:28:18,187 INFO L895 garLoopResultBuilder]: At program point L56-7(lines 56 58) the Hoare annotation is: false [2023-12-02 16:28:18,187 INFO L899 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2023-12-02 16:28:18,187 INFO L899 garLoopResultBuilder]: For program point L40-1(line 40) no Hoare annotation was computed. [2023-12-02 16:28:18,187 INFO L899 garLoopResultBuilder]: For program point L40-5(line 40) no Hoare annotation was computed. [2023-12-02 16:28:18,187 INFO L899 garLoopResultBuilder]: For program point L40-6(line 40) no Hoare annotation was computed. [2023-12-02 16:28:18,187 INFO L895 garLoopResultBuilder]: At program point L40-7(lines 40 42) the Hoare annotation is: false [2023-12-02 16:28:18,187 INFO L895 garLoopResultBuilder]: At program point L57(line 57) the Hoare annotation is: false [2023-12-02 16:28:18,187 INFO L899 garLoopResultBuilder]: For program point L57-1(line 57) no Hoare annotation was computed. [2023-12-02 16:28:18,188 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2023-12-02 16:28:18,188 INFO L895 garLoopResultBuilder]: At program point L41(line 41) the Hoare annotation is: false [2023-12-02 16:28:18,188 INFO L899 garLoopResultBuilder]: For program point L41-1(line 41) no Hoare annotation was computed. [2023-12-02 16:28:18,188 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-02 16:28:18,188 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2023-12-02 16:28:18,188 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 62) no Hoare annotation was computed. [2023-12-02 16:28:18,188 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) no Hoare annotation was computed. [2023-12-02 16:28:18,188 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-12-02 16:28:18,188 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 62) no Hoare annotation was computed. [2023-12-02 16:28:18,189 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-12-02 16:28:18,189 INFO L899 garLoopResultBuilder]: For program point elem_exists_returnLabel#1(lines 20 26) no Hoare annotation was computed. [2023-12-02 16:28:18,189 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2023-12-02 16:28:18,189 INFO L899 garLoopResultBuilder]: For program point L61-3(line 61) no Hoare annotation was computed. [2023-12-02 16:28:18,189 INFO L899 garLoopResultBuilder]: For program point L61-4(line 61) no Hoare annotation was computed. [2023-12-02 16:28:18,189 INFO L895 garLoopResultBuilder]: At program point L61-5(lines 61 65) the Hoare annotation is: (and (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~#set~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1| 0) (<= 2 |ULTIMATE.start_main_~#set~0#1.base|) (= |ULTIMATE.start_main_~x~0#1| 0)) [2023-12-02 16:28:18,189 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 56) no Hoare annotation was computed. [2023-12-02 16:28:18,189 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2023-12-02 16:28:18,190 INFO L899 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2023-12-02 16:28:18,190 INFO L899 garLoopResultBuilder]: For program point L62-1(line 62) no Hoare annotation was computed. [2023-12-02 16:28:18,190 INFO L899 garLoopResultBuilder]: For program point L62-5(line 62) no Hoare annotation was computed. [2023-12-02 16:28:18,190 INFO L899 garLoopResultBuilder]: For program point L62-6(line 62) no Hoare annotation was computed. [2023-12-02 16:28:18,190 INFO L895 garLoopResultBuilder]: At program point L62-7(lines 62 64) the Hoare annotation is: false [2023-12-02 16:28:18,190 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 56) no Hoare annotation was computed. [2023-12-02 16:28:18,190 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-02 16:28:18,190 INFO L895 garLoopResultBuilder]: At program point L63(line 63) the Hoare annotation is: false [2023-12-02 16:28:18,190 INFO L899 garLoopResultBuilder]: For program point L63-1(line 63) no Hoare annotation was computed. [2023-12-02 16:28:18,190 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW(line 61) no Hoare annotation was computed. [2023-12-02 16:28:18,191 INFO L899 garLoopResultBuilder]: For program point L47-3(line 47) no Hoare annotation was computed. [2023-12-02 16:28:18,191 INFO L899 garLoopResultBuilder]: For program point L47-4(line 47) no Hoare annotation was computed. [2023-12-02 16:28:18,191 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2023-12-02 16:28:18,191 INFO L895 garLoopResultBuilder]: At program point L47-5(lines 47 50) the Hoare annotation is: (and (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~#values~0#1.offset| 0) (= |ULTIMATE.start_main_~#set~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1| 0) (<= 2 |ULTIMATE.start_main_~#values~0#1.base|) (<= 2 |ULTIMATE.start_main_~#set~0#1.base|) (= |ULTIMATE.start_main_~x~0#1| 0) (or (and (exists ((|v_#valid_40| (Array Int Int))) (and (= (store |v_#valid_40| |ULTIMATE.start_main_~#values~0#1.base| 1) |#valid|) (= (select |v_#valid_40| |ULTIMATE.start_main_~#values~0#1.base|) 0))) (exists ((|v_#length_25| (Array Int Int))) (= |#length| (store |v_#length_25| |ULTIMATE.start_main_~#values~0#1.base| 400000))) (= |ULTIMATE.start_main_~v~0#1| 0) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#values~0#1.base|)) (exists ((|v_ULTIMATE.start_main_~v~0#1_56| Int)) (and (<= 0 |v_ULTIMATE.start_main_~v~0#1_56|) (<= 1 |ULTIMATE.start_main_~v~0#1|)))) (<= |ULTIMATE.start_main_~v~0#1| 2147483647)) [2023-12-02 16:28:18,191 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW(line 61) no Hoare annotation was computed. [2023-12-02 16:28:18,191 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2023-12-02 16:28:18,191 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) no Hoare annotation was computed. [2023-12-02 16:28:18,192 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-12-02 16:28:18,192 INFO L899 garLoopResultBuilder]: For program point L33-3(line 33) no Hoare annotation was computed. [2023-12-02 16:28:18,192 INFO L899 garLoopResultBuilder]: For program point L33-4(line 33) no Hoare annotation was computed. [2023-12-02 16:28:18,192 INFO L895 garLoopResultBuilder]: At program point L33-5(lines 33 36) the Hoare annotation is: (and (<= 1 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (= |ULTIMATE.start_main_~#set~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1| 0) (<= 2 |ULTIMATE.start_main_~#set~0#1.base|) (or (let ((.cse0 (select |#memory_int| 1))) (and (exists ((|v_#valid_45| (Array Int Int))) (and (= (store |v_#valid_45| |ULTIMATE.start_main_~#set~0#1.base| 1) |#valid|) (= (select |v_#valid_45| |ULTIMATE.start_main_~#set~0#1.base|) 0) (= (select |v_#valid_45| 1) 1) (= (select |v_#valid_45| 2) 1) (= (select |v_#valid_45| 0) 0))) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#set~0#1.base|) (exists ((|v_#length_30| (Array Int Int))) (and (= |#length| (store |v_#length_30| |ULTIMATE.start_main_~#set~0#1.base| 400000)) (= (select |v_#length_30| 1) 2) (= 48 (select |v_#length_30| 2)))) (= (select .cse0 0) 48) (= |ULTIMATE.start_main_~x~0#1| 0) (= (select .cse0 1) 0))) (exists ((|v_ULTIMATE.start_main_~x~0#1_110| Int)) (and (<= 0 |v_ULTIMATE.start_main_~x~0#1_110|) (<= 1 |ULTIMATE.start_main_~x~0#1|))))) [2023-12-02 16:28:18,192 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) no Hoare annotation was computed. [2023-12-02 16:28:18,192 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-12-02 16:28:18,192 INFO L899 garLoopResultBuilder]: For program point L18(line 18) no Hoare annotation was computed. [2023-12-02 16:28:18,192 INFO L899 garLoopResultBuilder]: For program point L18-1(line 18) no Hoare annotation was computed. [2023-12-02 16:28:18,193 INFO L899 garLoopResultBuilder]: For program point L51-3(line 51) no Hoare annotation was computed. [2023-12-02 16:28:18,193 INFO L899 garLoopResultBuilder]: For program point L51-4(line 51) no Hoare annotation was computed. [2023-12-02 16:28:18,193 INFO L895 garLoopResultBuilder]: At program point L51-5(lines 51 60) the Hoare annotation is: (let ((.cse0 (<= 1 |#StackHeapBarrier|)) (.cse1 (= |ULTIMATE.start_main_~#values~0#1.offset| 0)) (.cse2 (= |ULTIMATE.start_main_~#set~0#1.offset| 0)) (.cse3 (= |ULTIMATE.start_main_~n~0#1| 0)) (.cse4 (<= 2 |ULTIMATE.start_main_~#values~0#1.base|)) (.cse5 (<= 2 |ULTIMATE.start_main_~#set~0#1.base|)) (.cse6 (= |ULTIMATE.start_main_~x~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_main_~v~0#1| 0) .cse4 .cse5 .cse6) (and .cse0 .cse1 (= 0 |ULTIMATE.start_elem_exists_#res#1|) .cse2 .cse3 .cse4 .cse5 (<= 0 |ULTIMATE.start_main_~v~0#1|) .cse6 (<= |ULTIMATE.start_main_~v~0#1| 2147483647)))) [2023-12-02 16:28:18,193 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 56) no Hoare annotation was computed. [2023-12-02 16:28:18,193 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(line 13) no Hoare annotation was computed. [2023-12-02 16:28:18,193 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 13) the Hoare annotation is: true [2023-12-02 16:28:18,196 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:28:18,199 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 16:28:18,215 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_#valid_40 : [int]int :: v_#valid_40[~#values~0!base := 1] == #valid && v_#valid_40[~#values~0!base] == 0) could not be translated [2023-12-02 16:28:18,215 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_#length_25 : [int]int :: #length == v_#length_25[~#values~0!base := 400000]) could not be translated [2023-12-02 16:28:18,216 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_~v~0#1_56 : int :: 0 <= v_ULTIMATE.start_main_~v~0#1_56 && 1 <= ~v~0) could not be translated [2023-12-02 16:28:18,217 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~set!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-12-02 16:28:18,218 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~set!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-12-02 16:28:18,218 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~v~0 [2023-12-02 16:28:18,218 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#values~0 [2023-12-02 16:28:18,218 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~v~0 [2023-12-02 16:28:18,218 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~set!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-12-02 16:28:18,219 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~set!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-12-02 16:28:18,219 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~v~0 [2023-12-02 16:28:18,219 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#values~0 [2023-12-02 16:28:18,219 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~set!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-12-02 16:28:18,219 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~set!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-12-02 16:28:18,220 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem12 could not be translated [2023-12-02 16:28:18,220 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#values~0!base][~v~0 * 4] could not be translated [2023-12-02 16:28:18,220 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem12 could not be translated [2023-12-02 16:28:18,220 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~set!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-12-02 16:28:18,220 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~n~0 [2023-12-02 16:28:18,220 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~x~0 [2023-12-02 16:28:18,223 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_#valid_45 : [int]int :: (((v_#valid_45[~#set~0!base := 1] == #valid && v_#valid_45[~#set~0!base] == 0) && v_#valid_45[1] == 1) && v_#valid_45[2] == 1) && v_#valid_45[0] == 0) could not be translated [2023-12-02 16:28:18,223 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_#length_30 : [int]int :: (#length == v_#length_30[~#set~0!base := 400000] && v_#length_30[1] == 2) && 48 == v_#length_30[2]) could not be translated [2023-12-02 16:28:18,224 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated [2023-12-02 16:28:18,224 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated [2023-12-02 16:28:18,224 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_~x~0#1_110 : int :: 0 <= v_ULTIMATE.start_main_~x~0#1_110 && 1 <= ~x~0) could not be translated [2023-12-02 16:28:18,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 04:28:18 BoogieIcfgContainer [2023-12-02 16:28:18,226 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 16:28:18,227 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 16:28:18,227 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 16:28:18,227 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 16:28:18,228 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:28:05" (3/4) ... [2023-12-02 16:28:18,230 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 16:28:18,233 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-12-02 16:28:18,247 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 42 nodes and edges [2023-12-02 16:28:18,248 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-12-02 16:28:18,249 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 16:28:18,249 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 16:28:18,272 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((n == 0) && (v == 0)) && (x == 0)) || (((((0 == \result) && (n == 0)) && (0 <= v)) && (x == 0)) && (v <= 2147483647))) [2023-12-02 16:28:18,273 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((size == 0) && (i == 0)) && (\old(size) == 0)) || (((size == 0) && (i == 0)) && (\old(size) == 0))) && (\old(value) == value)) [2023-12-02 16:28:18,274 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == \result) && (1 <= v)) && (n == 0)) && (x == 0)) && (v <= 99999)) || ((((0 == \result) && (n == 0)) && (v == 0)) && (x == 0))) [2023-12-02 16:28:18,299 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((n == 0) && (v == 0)) && (x == 0)) || (((((0 == \result) && (n == 0)) && (0 <= v)) && (x == 0)) && (v <= 2147483647))) [2023-12-02 16:28:18,300 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((size == 0) && (i == 0)) && (\old(size) == 0)) || (((size == 0) && (i == 0)) && (\old(size) == 0))) && (\old(value) == value)) [2023-12-02 16:28:18,300 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == \result) && (1 <= v)) && (n == 0)) && (x == 0)) && (v <= 99999)) || ((((0 == \result) && (n == 0)) && (v == 0)) && (x == 0))) [2023-12-02 16:28:18,346 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f99d1dc-bb2a-4d56-a125-3724227050be/bin/utaipan-verify-nQ1chXbOIh/witness.graphml [2023-12-02 16:28:18,347 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f99d1dc-bb2a-4d56-a125-3724227050be/bin/utaipan-verify-nQ1chXbOIh/witness.yml [2023-12-02 16:28:18,347 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 16:28:18,348 INFO L158 Benchmark]: Toolchain (without parser) took 14007.08ms. Allocated memory was 159.4MB in the beginning and 337.6MB in the end (delta: 178.3MB). Free memory was 121.8MB in the beginning and 300.4MB in the end (delta: -178.5MB). Peak memory consumption was 194.7MB. Max. memory is 16.1GB. [2023-12-02 16:28:18,348 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 16:28:18,348 INFO L158 Benchmark]: CACSL2BoogieTranslator took 222.61ms. Allocated memory is still 159.4MB. Free memory was 121.8MB in the beginning and 110.0MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 16:28:18,349 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.24ms. Allocated memory is still 159.4MB. Free memory was 110.0MB in the beginning and 107.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 16:28:18,349 INFO L158 Benchmark]: Boogie Preprocessor took 32.14ms. Allocated memory is still 159.4MB. Free memory was 107.9MB in the beginning and 106.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 16:28:18,350 INFO L158 Benchmark]: RCFGBuilder took 519.45ms. Allocated memory is still 159.4MB. Free memory was 106.6MB in the beginning and 112.8MB in the end (delta: -6.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 16:28:18,350 INFO L158 Benchmark]: TraceAbstraction took 13063.47ms. Allocated memory was 159.4MB in the beginning and 337.6MB in the end (delta: 178.3MB). Free memory was 112.1MB in the beginning and 106.9MB in the end (delta: 5.2MB). Peak memory consumption was 184.2MB. Max. memory is 16.1GB. [2023-12-02 16:28:18,351 INFO L158 Benchmark]: Witness Printer took 120.11ms. Allocated memory is still 337.6MB. Free memory was 106.9MB in the beginning and 300.4MB in the end (delta: -193.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 16:28:18,352 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 222.61ms. Allocated memory is still 159.4MB. Free memory was 121.8MB in the beginning and 110.0MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.24ms. Allocated memory is still 159.4MB. Free memory was 110.0MB in the beginning and 107.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.14ms. Allocated memory is still 159.4MB. Free memory was 107.9MB in the beginning and 106.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 519.45ms. Allocated memory is still 159.4MB. Free memory was 106.6MB in the beginning and 112.8MB in the end (delta: -6.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 13063.47ms. Allocated memory was 159.4MB in the beginning and 337.6MB in the end (delta: 178.3MB). Free memory was 112.1MB in the beginning and 106.9MB in the end (delta: 5.2MB). Peak memory consumption was 184.2MB. Max. memory is 16.1GB. * Witness Printer took 120.11ms. Allocated memory is still 337.6MB. Free memory was 106.9MB in the beginning and 300.4MB in the end (delta: -193.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_#valid_40 : [int]int :: v_#valid_40[~#values~0!base := 1] == #valid && v_#valid_40[~#values~0!base] == 0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_#length_25 : [int]int :: #length == v_#length_25[~#values~0!base := 400000]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_~v~0#1_56 : int :: 0 <= v_ULTIMATE.start_main_~v~0#1_56 && 1 <= ~v~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~set!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #in~set!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~v~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~#values~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~v~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~set!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #in~set!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~v~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~#values~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~set!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #in~set!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#values~0!base][~v~0 * 4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #in~set!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~n~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~x~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_#valid_45 : [int]int :: (((v_#valid_45[~#set~0!base := 1] == #valid && v_#valid_45[~#set~0!base] == 0) && v_#valid_45[1] == 1) && v_#valid_45[2] == 1) && v_#valid_45[0] == 0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_#length_30 : [int]int :: (#length == v_#length_30[~#set~0!base := 400000] && v_#length_30[1] == 2) && 48 == v_#length_30[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 #memory_int[1][1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_~x~0#1_110 : int :: 0 <= v_ULTIMATE.start_main_~x~0#1_110 && 1 <= ~x~0) 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: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 62]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 62]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 62]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 62]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 61]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 61]: 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 2 procedures, 80 locations, 28 error locations. Started 1 CEGAR loops. OverallTime: 13.0s, OverallIterations: 9, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 380 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 374 mSDsluCounter, 1599 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1154 mSDsCounter, 64 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1488 IncrementalHoareTripleChecker+Invalid, 1552 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 64 mSolverCounterUnsat, 445 mSDtfsCounter, 1488 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 317 GetRequests, 167 SyntacticMatches, 12 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 900 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=91occurred in iteration=1, InterpolantAutomatonStates: 88, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 209 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 25 PreInvPairs, 36 NumberOfFragments, 404 HoareAnnotationTreeSize, 25 FomulaSimplifications, 1084 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 978 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 196 NumberOfCodeBlocks, 196 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 261 ConstructedInterpolants, 0 QuantifiedInterpolants, 435 SizeOfPredicates, 7 NumberOfNonLiveVariables, 720 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 22 InterpolantComputations, 3 PerfectInterpolantSequences, 29/49 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: 3.0s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 86, DAG_INTERPRETER_EARLY_EXITS: 3, TOOLS_POST_APPLICATIONS: 208, TOOLS_POST_TIME: 2.2s, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME: 0.0s, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME: 0.0s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 208, TOOLS_QUANTIFIERELIM_TIME: 2.1s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 369, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 29, DOMAIN_JOIN_TIME: 0.2s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 24, DOMAIN_WIDEN_TIME: 0.3s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 36, DOMAIN_ISSUBSETEQ_TIME: 0.1s, DOMAIN_ISBOTTOM_APPLICATIONS: 86, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 12, LOOP_SUMMARIZER_CACHE_MISSES: 12, LOOP_SUMMARIZER_OVERALL_TIME: 2.2s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 2.2s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 36, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, 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: 2314, DAG_COMPRESSION_RETAINED_NODES: 258, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 28 specifications checked. All of them hold - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: (((n == 0) && (x == 0)) && (v <= 2147483647)) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: (((((size == 0) && (i == 0)) && (\old(size) == 0)) || (((size == 0) && (i == 0)) && (\old(size) == 0))) && (\old(value) == value)) - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: ((((n == 0) && (v == 0)) && (x == 0)) || (((((0 == \result) && (n == 0)) && (0 <= v)) && (x == 0)) && (v <= 2147483647))) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: ((n == 0) && (x == 0)) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((x <= 2147483647) && (n == 0)) - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: ((((((0 == \result) && (1 <= v)) && (n == 0)) && (x == 0)) && (v <= 99999)) || ((((0 == \result) && (n == 0)) && (v == 0)) && (x == 0))) - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: ((n == 0) && (x == 0)) RESULT: Ultimate proved your program to be correct! [2023-12-02 16:28:18,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f99d1dc-bb2a-4d56-a125-3724227050be/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE