./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-regression/test22-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff4023cb-d1c6-4357-b7c3-2a6500b48281/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff4023cb-d1c6-4357-b7c3-2a6500b48281/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff4023cb-d1c6-4357-b7c3-2a6500b48281/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff4023cb-d1c6-4357-b7c3-2a6500b48281/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-regression/test22-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff4023cb-d1c6-4357-b7c3-2a6500b48281/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff4023cb-d1c6-4357-b7c3-2a6500b48281/bin/utaipan-verify-NcY6lQBIFX --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 e1ce1c36cc17bb5fac8e93fbe54fbc2a77334d62ad40c06c722f9da96af2516f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:43:21,349 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:43:21,459 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff4023cb-d1c6-4357-b7c3-2a6500b48281/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-12 00:43:21,466 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:43:21,466 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:43:21,509 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:43:21,509 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:43:21,510 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:43:21,511 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:43:21,516 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:43:21,516 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:43:21,518 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:43:21,518 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:43:21,520 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:43:21,520 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:43:21,521 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:43:21,521 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:43:21,522 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:43:21,522 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:43:21,523 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:43:21,523 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:43:21,524 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:43:21,525 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:43:21,526 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:43:21,526 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:43:21,527 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:43:21,527 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:43:21,527 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:43:21,528 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:43:21,528 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:43:21,530 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:43:21,530 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:43:21,530 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:43:21,531 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:43:21,531 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:43:21,531 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:43:21,531 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:43:21,532 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:43:21,532 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:43:21,532 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:43:21,533 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:43:21,533 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:43:21,533 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:43:21,533 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:43:21,534 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:43:21,534 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:43:21,534 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:43:21,534 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_ff4023cb-d1c6-4357-b7c3-2a6500b48281/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff4023cb-d1c6-4357-b7c3-2a6500b48281/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1ce1c36cc17bb5fac8e93fbe54fbc2a77334d62ad40c06c722f9da96af2516f [2023-11-12 00:43:21,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:43:21,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:43:21,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:43:21,920 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:43:21,920 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:43:21,922 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff4023cb-d1c6-4357-b7c3-2a6500b48281/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-regression/test22-1.c [2023-11-12 00:43:25,139 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:43:25,421 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:43:25,422 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff4023cb-d1c6-4357-b7c3-2a6500b48281/sv-benchmarks/c/ldv-regression/test22-1.c [2023-11-12 00:43:25,433 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff4023cb-d1c6-4357-b7c3-2a6500b48281/bin/utaipan-verify-NcY6lQBIFX/data/bbec6844b/a1a523614b4d49e392a7ad63fa5b60e1/FLAGa8810c1c8 [2023-11-12 00:43:25,460 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff4023cb-d1c6-4357-b7c3-2a6500b48281/bin/utaipan-verify-NcY6lQBIFX/data/bbec6844b/a1a523614b4d49e392a7ad63fa5b60e1 [2023-11-12 00:43:25,468 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:43:25,471 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:43:25,479 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:43:25,479 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:43:25,486 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:43:25,490 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:43:25" (1/1) ... [2023-11-12 00:43:25,492 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@306c329d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:25, skipping insertion in model container [2023-11-12 00:43:25,492 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:43:25" (1/1) ... [2023-11-12 00:43:25,524 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:43:25,786 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:43:25,801 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:43:25,827 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:43:25,849 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:43:25,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:25 WrapperNode [2023-11-12 00:43:25,850 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:43:25,851 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:43:25,852 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:43:25,852 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:43:25,861 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:25" (1/1) ... [2023-11-12 00:43:25,885 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:25" (1/1) ... [2023-11-12 00:43:25,916 INFO L138 Inliner]: procedures = 16, calls = 27, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 95 [2023-11-12 00:43:25,916 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:43:25,917 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:43:25,918 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:43:25,918 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:43:25,930 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:25" (1/1) ... [2023-11-12 00:43:25,930 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:25" (1/1) ... [2023-11-12 00:43:25,933 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:25" (1/1) ... [2023-11-12 00:43:25,934 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:25" (1/1) ... [2023-11-12 00:43:25,943 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:25" (1/1) ... [2023-11-12 00:43:25,947 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:25" (1/1) ... [2023-11-12 00:43:25,949 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:25" (1/1) ... [2023-11-12 00:43:25,950 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:25" (1/1) ... [2023-11-12 00:43:25,953 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:43:25,954 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:43:25,955 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:43:25,955 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:43:25,956 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:25" (1/1) ... [2023-11-12 00:43:25,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:43:25,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff4023cb-d1c6-4357-b7c3-2a6500b48281/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:43:25,999 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff4023cb-d1c6-4357-b7c3-2a6500b48281/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:43:26,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff4023cb-d1c6-4357-b7c3-2a6500b48281/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:43:26,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:43:26,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:43:26,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:43:26,038 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2023-11-12 00:43:26,038 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2023-11-12 00:43:26,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:43:26,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:43:26,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:43:26,131 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:43:26,134 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:43:26,363 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:43:26,463 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:43:26,463 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:43:26,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:43:26 BoogieIcfgContainer [2023-11-12 00:43:26,467 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:43:26,470 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:43:26,470 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:43:26,474 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:43:26,474 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:43:25" (1/3) ... [2023-11-12 00:43:26,475 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64d930cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:43:26, skipping insertion in model container [2023-11-12 00:43:26,475 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:25" (2/3) ... [2023-11-12 00:43:26,476 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64d930cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:43:26, skipping insertion in model container [2023-11-12 00:43:26,476 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:43:26" (3/3) ... [2023-11-12 00:43:26,477 INFO L112 eAbstractionObserver]: Analyzing ICFG test22-1.c [2023-11-12 00:43:26,504 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:43:26,504 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-12 00:43:26,557 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:43:26,566 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;@244b7718, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:43:26,566 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-12 00:43:26,571 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 16 states have (on average 1.5) internal successors, (24), 20 states have internal predecessors, (24), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-12 00:43:26,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-12 00:43:26,580 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:43:26,581 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:43:26,582 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-12 00:43:26,589 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:43:26,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1537449064, now seen corresponding path program 1 times [2023-11-12 00:43:26,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:43:26,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829299847] [2023-11-12 00:43:26,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:43:26,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:43:26,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:43:27,322 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-12 00:43:27,323 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:43:27,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829299847] [2023-11-12 00:43:27,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829299847] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:43:27,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:43:27,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:43:27,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930791798] [2023-11-12 00:43:27,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:43:27,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:43:27,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:43:27,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:43:27,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:43:27,374 INFO L87 Difference]: Start difference. First operand has 25 states, 16 states have (on average 1.5) internal successors, (24), 20 states have internal predecessors, (24), 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 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-12 00:43:27,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:43:27,504 INFO L93 Difference]: Finished difference Result 32 states and 37 transitions. [2023-11-12 00:43:27,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:43:27,507 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 15 [2023-11-12 00:43:27,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:43:27,516 INFO L225 Difference]: With dead ends: 32 [2023-11-12 00:43:27,516 INFO L226 Difference]: Without dead ends: 19 [2023-11-12 00:43:27,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:43:27,528 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 15 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:43:27,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 42 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:43:27,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2023-11-12 00:43:27,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2023-11-12 00:43:27,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 12 states have (on average 1.25) internal successors, (15), 14 states have internal predecessors, (15), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-12 00:43:27,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2023-11-12 00:43:27,583 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 15 [2023-11-12 00:43:27,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:43:27,584 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2023-11-12 00:43:27,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-12 00:43:27,585 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2023-11-12 00:43:27,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-12 00:43:27,586 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:43:27,587 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:43:27,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:43:27,587 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-12 00:43:27,588 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:43:27,588 INFO L85 PathProgramCache]: Analyzing trace with hash -416280673, now seen corresponding path program 1 times [2023-11-12 00:43:27,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:43:27,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354236459] [2023-11-12 00:43:27,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:43:27,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:43:27,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:43:28,914 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-12 00:43:28,915 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:43:28,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354236459] [2023-11-12 00:43:28,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354236459] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:43:28,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1782774631] [2023-11-12 00:43:28,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:43:28,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:43:28,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff4023cb-d1c6-4357-b7c3-2a6500b48281/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:43:28,925 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff4023cb-d1c6-4357-b7c3-2a6500b48281/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:43:28,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff4023cb-d1c6-4357-b7c3-2a6500b48281/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:43:29,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:43:29,031 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-12 00:43:29,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:43:29,134 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 29 [2023-11-12 00:43:29,174 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 43 [2023-11-12 00:43:29,191 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-12 00:43:29,200 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-12 00:43:30,108 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-12 00:43:30,127 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 00:43:30,128 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 29 [2023-11-12 00:43:30,244 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 00:43:30,245 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:43:30,894 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-12 00:43:30,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1782774631] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:43:30,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1305296045] [2023-11-12 00:43:30,920 INFO L159 IcfgInterpreter]: Started Sifa with 13 locations of interest [2023-11-12 00:43:30,921 INFO L166 IcfgInterpreter]: Building call graph [2023-11-12 00:43:30,925 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-12 00:43:30,931 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-12 00:43:30,932 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-12 00:43:34,581 INFO L197 IcfgInterpreter]: Interpreting procedure get_dummy with input of size 15 for LOIs [2023-11-12 00:43:34,591 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-12 00:43:39,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1305296045] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:43:39,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-11-12 00:43:39,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [10, 7, 7] total 32 [2023-11-12 00:43:39,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901672010] [2023-11-12 00:43:39,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:43:39,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-12 00:43:39,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:43:39,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-12 00:43:39,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=857, Unknown=0, NotChecked=0, Total=1056 [2023-11-12 00:43:39,572 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. Second operand has 12 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-12 00:43:40,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:43:40,176 INFO L93 Difference]: Finished difference Result 19 states and 21 transitions. [2023-11-12 00:43:40,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-12 00:43:40,177 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 16 [2023-11-12 00:43:40,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:43:40,178 INFO L225 Difference]: With dead ends: 19 [2023-11-12 00:43:40,178 INFO L226 Difference]: Without dead ends: 18 [2023-11-12 00:43:40,179 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 25 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 338 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=211, Invalid=911, Unknown=0, NotChecked=0, Total=1122 [2023-11-12 00:43:40,181 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 9 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-12 00:43:40,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 29 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-12 00:43:40,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2023-11-12 00:43:40,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2023-11-12 00:43:40,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 13 states have internal predecessors, (14), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-12 00:43:40,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2023-11-12 00:43:40,190 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 16 [2023-11-12 00:43:40,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:43:40,190 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2023-11-12 00:43:40,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-12 00:43:40,191 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2023-11-12 00:43:40,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 00:43:40,192 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:43:40,192 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:43:40,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff4023cb-d1c6-4357-b7c3-2a6500b48281/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-12 00:43:40,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff4023cb-d1c6-4357-b7c3-2a6500b48281/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:43:40,397 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-12 00:43:40,398 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:43:40,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1846886049, now seen corresponding path program 1 times [2023-11-12 00:43:40,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:43:40,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892366836] [2023-11-12 00:43:40,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:43:40,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:43:40,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:43:40,463 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-12 00:43:40,463 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:43:40,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892366836] [2023-11-12 00:43:40,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892366836] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:43:40,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:43:40,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:43:40,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957211756] [2023-11-12 00:43:40,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:43:40,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:43:40,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:43:40,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:43:40,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:43:40,466 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-12 00:43:40,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:43:40,506 INFO L93 Difference]: Finished difference Result 18 states and 20 transitions. [2023-11-12 00:43:40,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:43:40,506 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 19 [2023-11-12 00:43:40,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:43:40,507 INFO L225 Difference]: With dead ends: 18 [2023-11-12 00:43:40,507 INFO L226 Difference]: Without dead ends: 17 [2023-11-12 00:43:40,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:43:40,509 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 4 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:43:40,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 28 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:43:40,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2023-11-12 00:43:40,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2023-11-12 00:43:40,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-12 00:43:40,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2023-11-12 00:43:40,519 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 19 [2023-11-12 00:43:40,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:43:40,519 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2023-11-12 00:43:40,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-12 00:43:40,520 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2023-11-12 00:43:40,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-12 00:43:40,521 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:43:40,521 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:43:40,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 00:43:40,521 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-12 00:43:40,522 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:43:40,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1418892602, now seen corresponding path program 1 times [2023-11-12 00:43:40,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:43:40,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951094334] [2023-11-12 00:43:40,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:43:40,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:43:40,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:43:41,191 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-12 00:43:41,192 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:43:41,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951094334] [2023-11-12 00:43:41,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951094334] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:43:41,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1012914995] [2023-11-12 00:43:41,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:43:41,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:43:41,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff4023cb-d1c6-4357-b7c3-2a6500b48281/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:43:41,194 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff4023cb-d1c6-4357-b7c3-2a6500b48281/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:43:41,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff4023cb-d1c6-4357-b7c3-2a6500b48281/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-12 00:43:41,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:43:41,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-12 00:43:41,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:43:41,327 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 29 [2023-11-12 00:43:41,339 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 43 [2023-11-12 00:43:41,352 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-12 00:43:41,359 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-12 00:43:41,785 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-12 00:43:41,795 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 00:43:41,796 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 26 [2023-11-12 00:43:41,879 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 00:43:41,880 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:43:42,161 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-12 00:43:42,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1012914995] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:43:42,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [357127368] [2023-11-12 00:43:42,166 INFO L159 IcfgInterpreter]: Started Sifa with 17 locations of interest [2023-11-12 00:43:42,166 INFO L166 IcfgInterpreter]: Building call graph [2023-11-12 00:43:42,166 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-12 00:43:42,167 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-12 00:43:42,167 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-12 00:43:45,646 INFO L197 IcfgInterpreter]: Interpreting procedure get_dummy with input of size 15 for LOIs [2023-11-12 00:43:45,657 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-12 00:43:52,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [357127368] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:43:52,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-11-12 00:43:52,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [12, 7, 7] total 36 [2023-11-12 00:43:52,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772953105] [2023-11-12 00:43:52,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:43:52,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-12 00:43:52,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:43:52,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-12 00:43:52,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=230, Invalid=1102, Unknown=0, NotChecked=0, Total=1332 [2023-11-12 00:43:52,836 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. Second operand has 14 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-12 00:43:53,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:43:53,546 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2023-11-12 00:43:53,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-12 00:43:53,547 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 20 [2023-11-12 00:43:53,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:43:53,548 INFO L225 Difference]: With dead ends: 22 [2023-11-12 00:43:53,548 INFO L226 Difference]: Without dead ends: 21 [2023-11-12 00:43:53,549 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 31 SyntacticMatches, 5 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 402 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=242, Invalid=1164, Unknown=0, NotChecked=0, Total=1406 [2023-11-12 00:43:53,550 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 14 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-12 00:43:53,551 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 9 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-12 00:43:53,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2023-11-12 00:43:53,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2023-11-12 00:43:53,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 16 states have (on average 1.0625) internal successors, (17), 16 states have internal predecessors, (17), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-12 00:43:53,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2023-11-12 00:43:53,564 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 20 [2023-11-12 00:43:53,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:43:53,565 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2023-11-12 00:43:53,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-12 00:43:53,565 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2023-11-12 00:43:53,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-12 00:43:53,566 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:43:53,566 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:43:53,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff4023cb-d1c6-4357-b7c3-2a6500b48281/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-12 00:43:53,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff4023cb-d1c6-4357-b7c3-2a6500b48281/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:43:53,767 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-12 00:43:53,767 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:43:53,768 INFO L85 PathProgramCache]: Analyzing trace with hash 229300845, now seen corresponding path program 1 times [2023-11-12 00:43:53,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:43:53,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313964226] [2023-11-12 00:43:53,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:43:53,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:43:53,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:43:54,297 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-12 00:43:54,297 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:43:54,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313964226] [2023-11-12 00:43:54,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313964226] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:43:54,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [900896025] [2023-11-12 00:43:54,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:43:54,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:43:54,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff4023cb-d1c6-4357-b7c3-2a6500b48281/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:43:54,303 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff4023cb-d1c6-4357-b7c3-2a6500b48281/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:43:54,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff4023cb-d1c6-4357-b7c3-2a6500b48281/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-12 00:43:54,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:43:54,419 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-12 00:43:54,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:43:54,441 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 29 [2023-11-12 00:43:54,452 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-12 00:43:54,470 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 11 [2023-11-12 00:43:54,923 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-12 00:43:54,931 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 00:43:54,932 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 29 [2023-11-12 00:43:55,027 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:43:55,028 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:43:55,470 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-12 00:43:55,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [900896025] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:43:55,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [668953857] [2023-11-12 00:43:55,473 INFO L159 IcfgInterpreter]: Started Sifa with 17 locations of interest [2023-11-12 00:43:55,473 INFO L166 IcfgInterpreter]: Building call graph [2023-11-12 00:43:55,473 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-12 00:43:55,474 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-12 00:43:55,474 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-12 00:43:58,143 INFO L197 IcfgInterpreter]: Interpreting procedure get_dummy with input of size 15 for LOIs [2023-11-12 00:43:58,150 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-12 00:44:02,584 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '691#(and (<= 1 |#StackHeapBarrier|) (= |~#d2~0.offset| 0) (= |~#d1~0.base| 4) (= 5 |~#d2~0.base|) (<= 2147483647 |ULTIMATE.start_main_~i~0#1|) (= |~#d1~0.offset| 0))' at error location [2023-11-12 00:44:02,584 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-11-12 00:44:02,584 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 00:44:02,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 26 [2023-11-12 00:44:02,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767634421] [2023-11-12 00:44:02,585 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 00:44:02,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-11-12 00:44:02,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:44:02,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-12 00:44:02,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=206, Invalid=1276, Unknown=0, NotChecked=0, Total=1482 [2023-11-12 00:44:02,588 INFO L87 Difference]: Start difference. First operand 21 states and 23 transitions. Second operand has 27 states, 21 states have (on average 2.2857142857142856) internal successors, (48), 24 states have internal predecessors, (48), 6 states have call successors, (9), 3 states have call predecessors, (9), 5 states have return successors, (9), 7 states have call predecessors, (9), 6 states have call successors, (9) [2023-11-12 00:44:03,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:44:03,594 INFO L93 Difference]: Finished difference Result 31 states and 35 transitions. [2023-11-12 00:44:03,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-12 00:44:03,595 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 21 states have (on average 2.2857142857142856) internal successors, (48), 24 states have internal predecessors, (48), 6 states have call successors, (9), 3 states have call predecessors, (9), 5 states have return successors, (9), 7 states have call predecessors, (9), 6 states have call successors, (9) Word has length 24 [2023-11-12 00:44:03,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:44:03,595 INFO L225 Difference]: With dead ends: 31 [2023-11-12 00:44:03,595 INFO L226 Difference]: Without dead ends: 0 [2023-11-12 00:44:03,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 43 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 720 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=459, Invalid=2297, Unknown=0, NotChecked=0, Total=2756 [2023-11-12 00:44:03,598 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 132 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 00:44:03,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 35 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 00:44:03,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-12 00:44:03,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-12 00:44:03,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:44:03,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-12 00:44:03,599 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2023-11-12 00:44:03,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:44:03,600 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 00:44:03,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 21 states have (on average 2.2857142857142856) internal successors, (48), 24 states have internal predecessors, (48), 6 states have call successors, (9), 3 states have call predecessors, (9), 5 states have return successors, (9), 7 states have call predecessors, (9), 6 states have call successors, (9) [2023-11-12 00:44:03,600 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-12 00:44:03,600 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 00:44:03,602 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2023-11-12 00:44:03,603 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2023-11-12 00:44:03,603 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2023-11-12 00:44:03,603 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2023-11-12 00:44:03,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff4023cb-d1c6-4357-b7c3-2a6500b48281/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-12 00:44:03,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff4023cb-d1c6-4357-b7c3-2a6500b48281/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:44:03,811 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-12 00:44:05,106 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 22 25) the Hoare annotation is: true [2023-11-12 00:44:05,106 INFO L899 garLoopResultBuilder]: For program point get_dummyEXIT(lines 22 25) no Hoare annotation was computed. [2023-11-12 00:44:05,106 INFO L895 garLoopResultBuilder]: At program point L35-2(line 35) the Hoare annotation is: (and (= 1 (select |#valid| 5)) (= (select |#length| 3) 12) (<= 1 |#StackHeapBarrier|) (= |~#d2~0.offset| 0) (= |~#d1~0.base| 4) (= 5 |~#d2~0.base|) (= 11 (select |#length| 2)) (= 2 (select |#length| 1)) (exists ((|v_ULTIMATE.start_init_#t~nondet7#1_13| Int) (|v_ULTIMATE.start_init_#t~nondet4#1_13| Int) (|v_ULTIMATE.start_init_#t~nondet6#1_13| Int) (|v_#memory_int_26| (Array Int (Array Int Int))) (|v_ULTIMATE.start_init_#t~nondet5#1_13| Int)) (let ((.cse1 (select |v_#memory_int_26| 1)) (.cse0 (select |v_#memory_int_26| 5)) (.cse2 (select |v_#memory_int_26| 4))) (and (<= 0 (+ |v_ULTIMATE.start_init_#t~nondet4#1_13| 2147483648)) (<= |v_ULTIMATE.start_init_#t~nondet4#1_13| 2147483647) (<= 0 (+ |v_ULTIMATE.start_init_#t~nondet6#1_13| 2147483648)) (= (select .cse0 0) 0) (<= |v_ULTIMATE.start_init_#t~nondet5#1_13| 2147483647) (<= 0 (+ |v_ULTIMATE.start_init_#t~nondet7#1_13| 2147483648)) (= 48 (select .cse1 0)) (<= 0 (+ |v_ULTIMATE.start_init_#t~nondet5#1_13| 2147483648)) (<= |v_ULTIMATE.start_init_#t~nondet7#1_13| 2147483647) (= (select .cse1 1) 0) (= (select .cse0 4) 0) (= 0 (select .cse2 4)) (= |#memory_int| (store (store |v_#memory_int_26| 4 (store (store .cse2 0 |v_ULTIMATE.start_init_#t~nondet4#1_13|) 4 |v_ULTIMATE.start_init_#t~nondet5#1_13|)) 5 (store (store .cse0 0 |v_ULTIMATE.start_init_#t~nondet6#1_13|) 4 |v_ULTIMATE.start_init_#t~nondet7#1_13|))) (<= |v_ULTIMATE.start_init_#t~nondet6#1_13| 2147483647) (= (select .cse2 0) 0)))) (= (select |#valid| 3) 1) (= (select |#length| 4) 8) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= (select |#valid| 0) 0) (= |~#d1~0.offset| 0) (= (select |#valid| 2) 1) (= 8 (select |#length| 5)) (let ((.cse3 (= |ULTIMATE.start_main_~pd1~0#1.offset| 0))) (or (and (= 4 |ULTIMATE.start_main_~pd1~0#1.base|) .cse3) (and (= 5 |ULTIMATE.start_main_~pd1~0#1.base|) .cse3)))) [2023-11-12 00:44:05,107 INFO L899 garLoopResultBuilder]: For program point L35-3(line 35) no Hoare annotation was computed. [2023-11-12 00:44:05,108 INFO L895 garLoopResultBuilder]: At program point L35-4(line 35) the Hoare annotation is: (and (= 1 (select |#valid| 5)) (= (select |#length| 3) 12) (<= 1 |#StackHeapBarrier|) (= |~#d2~0.offset| 0) (= |~#d1~0.base| 4) (exists ((|v_ULTIMATE.start_init_#t~nondet7#1_13| Int) (|v_ULTIMATE.start_init_#t~nondet4#1_13| Int) (|v_ULTIMATE.start_init_#t~nondet6#1_13| Int) (|v_#memory_int_24| (Array Int (Array Int Int))) (|v_ULTIMATE.start_init_#t~nondet5#1_13| Int)) (let ((.cse0 (select |v_#memory_int_24| 1)) (.cse1 (select |v_#memory_int_24| 5)) (.cse2 (select |v_#memory_int_24| 4))) (and (<= 0 (+ |v_ULTIMATE.start_init_#t~nondet4#1_13| 2147483648)) (<= |v_ULTIMATE.start_init_#t~nondet4#1_13| 2147483647) (= (select .cse0 1) 0) (<= 0 (+ |v_ULTIMATE.start_init_#t~nondet6#1_13| 2147483648)) (= 0 (select .cse1 4)) (<= |v_ULTIMATE.start_init_#t~nondet5#1_13| 2147483647) (= (select .cse1 0) 0) (<= 0 (+ |v_ULTIMATE.start_init_#t~nondet7#1_13| 2147483648)) (= (select .cse2 0) 0) (<= 0 (+ |v_ULTIMATE.start_init_#t~nondet5#1_13| 2147483648)) (<= |v_ULTIMATE.start_init_#t~nondet7#1_13| 2147483647) (= (select .cse0 0) 48) (= |#memory_int| (store (store |v_#memory_int_24| 4 (store (store .cse2 0 |v_ULTIMATE.start_init_#t~nondet4#1_13|) 4 |v_ULTIMATE.start_init_#t~nondet5#1_13|)) 5 (store (store .cse1 0 |v_ULTIMATE.start_init_#t~nondet6#1_13|) 4 |v_ULTIMATE.start_init_#t~nondet7#1_13|))) (<= |v_ULTIMATE.start_init_#t~nondet6#1_13| 2147483647) (= (select .cse2 4) 0)))) (= 5 |~#d2~0.base|) (= 11 (select |#length| 2)) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (exists ((|v_get_dummy_#t~nondet8_32| Int)) (and (= |ULTIMATE.start_main_~pd2~0#1.offset| 0) (let ((.cse3 (= (mod |v_get_dummy_#t~nondet8_32| 256) 0))) (or (and (not .cse3) (= 4 |ULTIMATE.start_main_~pd2~0#1.base|)) (and (= 5 |ULTIMATE.start_main_~pd2~0#1.base|) .cse3))))) (= (select |#length| 4) 8) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= (select |#valid| 0) 0) (= |~#d1~0.offset| 0) (= (select |#valid| 2) 1) (= 8 (select |#length| 5)) (let ((.cse4 (= |ULTIMATE.start_main_~pd1~0#1.offset| 0))) (or (and (= 4 |ULTIMATE.start_main_~pd1~0#1.base|) .cse4) (and (= 5 |ULTIMATE.start_main_~pd1~0#1.base|) .cse4)))) [2023-11-12 00:44:05,108 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2023-11-12 00:44:05,108 INFO L899 garLoopResultBuilder]: For program point L35-5(line 35) no Hoare annotation was computed. [2023-11-12 00:44:05,108 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 32 52) no Hoare annotation was computed. [2023-11-12 00:44:05,108 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 40 42) no Hoare annotation was computed. [2023-11-12 00:44:05,109 INFO L895 garLoopResultBuilder]: At program point L40-3(lines 40 42) the Hoare annotation is: (and (= 1 (select |#valid| 5)) (= (select |#length| 3) 12) (<= 1 |#StackHeapBarrier|) (= |~#d2~0.offset| 0) (= |~#d1~0.base| 4) (exists ((|v_ULTIMATE.start_init_#t~nondet7#1_13| Int) (|v_ULTIMATE.start_init_#t~nondet4#1_13| Int) (|v_ULTIMATE.start_init_#t~nondet6#1_13| Int) (|v_#memory_int_24| (Array Int (Array Int Int))) (|v_ULTIMATE.start_init_#t~nondet5#1_13| Int)) (let ((.cse0 (select |v_#memory_int_24| 1)) (.cse1 (select |v_#memory_int_24| 5)) (.cse2 (select |v_#memory_int_24| 4))) (and (<= 0 (+ |v_ULTIMATE.start_init_#t~nondet4#1_13| 2147483648)) (<= |v_ULTIMATE.start_init_#t~nondet4#1_13| 2147483647) (= (select .cse0 1) 0) (<= 0 (+ |v_ULTIMATE.start_init_#t~nondet6#1_13| 2147483648)) (= 0 (select .cse1 4)) (<= |v_ULTIMATE.start_init_#t~nondet5#1_13| 2147483647) (= (select .cse1 0) 0) (<= 0 (+ |v_ULTIMATE.start_init_#t~nondet7#1_13| 2147483648)) (= (select .cse2 0) 0) (<= 0 (+ |v_ULTIMATE.start_init_#t~nondet5#1_13| 2147483648)) (<= |v_ULTIMATE.start_init_#t~nondet7#1_13| 2147483647) (= (select .cse0 0) 48) (= |#memory_int| (store (store |v_#memory_int_24| 4 (store (store .cse2 0 |v_ULTIMATE.start_init_#t~nondet4#1_13|) 4 |v_ULTIMATE.start_init_#t~nondet5#1_13|)) 5 (store (store .cse1 0 |v_ULTIMATE.start_init_#t~nondet6#1_13|) 4 |v_ULTIMATE.start_init_#t~nondet7#1_13|))) (<= |v_ULTIMATE.start_init_#t~nondet6#1_13| 2147483647) (= (select .cse2 4) 0)))) (= 5 |~#d2~0.base|) (= 11 (select |#length| 2)) (= 2 (select |#length| 1)) (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648)) (= (select |#valid| 3) 1) (or (< 0 (select (select |#memory_int| |ULTIMATE.start_main_~pd2~0#1.base|) |ULTIMATE.start_main_~pd2~0#1.offset|)) (not |ULTIMATE.start_main_#t~short15#1|)) (exists ((|v_get_dummy_#t~nondet8_32| Int)) (and (= |ULTIMATE.start_main_~pd2~0#1.offset| 0) (let ((.cse3 (= (mod |v_get_dummy_#t~nondet8_32| 256) 0))) (or (and (not .cse3) (= 4 |ULTIMATE.start_main_~pd2~0#1.base|)) (and (= 5 |ULTIMATE.start_main_~pd2~0#1.base|) .cse3))))) (= (select |#length| 4) 8) (= (select |#valid| 4) 1) (<= (select (select |#memory_int| |ULTIMATE.start_main_~pa~0#1.base|) |ULTIMATE.start_main_~pa~0#1.offset|) 2147483647) (= (select |#valid| 1) 1) (= (select |#valid| 0) 0) (= |~#d1~0.offset| 0) (= (select |#valid| 2) 1) (= 8 (select |#length| 5)) (let ((.cse4 (= |ULTIMATE.start_main_~pd1~0#1.offset| 0))) (or (and (= 4 |ULTIMATE.start_main_~pd1~0#1.base|) .cse4) (and (= 5 |ULTIMATE.start_main_~pd1~0#1.base|) .cse4)))) [2023-11-12 00:44:05,109 INFO L899 garLoopResultBuilder]: For program point L40-4(lines 40 42) no Hoare annotation was computed. [2023-11-12 00:44:05,110 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-12 00:44:05,110 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2023-11-12 00:44:05,110 INFO L899 garLoopResultBuilder]: For program point L41-1(line 41) no Hoare annotation was computed. [2023-11-12 00:44:05,110 INFO L899 garLoopResultBuilder]: For program point L37-2(lines 37 46) no Hoare annotation was computed. [2023-11-12 00:44:05,110 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-12 00:44:05,120 INFO L899 garLoopResultBuilder]: For program point L37-4(lines 37 46) no Hoare annotation was computed. [2023-11-12 00:44:05,120 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-12 00:44:05,120 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-12 00:44:05,120 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2023-11-12 00:44:05,121 INFO L899 garLoopResultBuilder]: For program point L43(lines 43 45) no Hoare annotation was computed. [2023-11-12 00:44:05,121 INFO L899 garLoopResultBuilder]: For program point L39(line 39) no Hoare annotation was computed. [2023-11-12 00:44:05,121 INFO L899 garLoopResultBuilder]: For program point L39-1(line 39) no Hoare annotation was computed. [2023-11-12 00:44:05,122 INFO L895 garLoopResultBuilder]: At program point L35(line 35) the Hoare annotation is: (and (= 1 (select |#valid| 5)) (= (select |#length| 3) 12) (<= 1 |#StackHeapBarrier|) (= |~#d2~0.offset| 0) (= |~#d1~0.base| 4) (= 5 |~#d2~0.base|) (= 11 (select |#length| 2)) (= 2 (select |#length| 1)) (exists ((|v_ULTIMATE.start_init_#t~nondet7#1_13| Int) (|v_ULTIMATE.start_init_#t~nondet4#1_13| Int) (|v_ULTIMATE.start_init_#t~nondet6#1_13| Int) (|v_#memory_int_26| (Array Int (Array Int Int))) (|v_ULTIMATE.start_init_#t~nondet5#1_13| Int)) (let ((.cse1 (select |v_#memory_int_26| 1)) (.cse0 (select |v_#memory_int_26| 5)) (.cse2 (select |v_#memory_int_26| 4))) (and (<= 0 (+ |v_ULTIMATE.start_init_#t~nondet4#1_13| 2147483648)) (<= |v_ULTIMATE.start_init_#t~nondet4#1_13| 2147483647) (<= 0 (+ |v_ULTIMATE.start_init_#t~nondet6#1_13| 2147483648)) (= (select .cse0 0) 0) (<= |v_ULTIMATE.start_init_#t~nondet5#1_13| 2147483647) (<= 0 (+ |v_ULTIMATE.start_init_#t~nondet7#1_13| 2147483648)) (= 48 (select .cse1 0)) (<= 0 (+ |v_ULTIMATE.start_init_#t~nondet5#1_13| 2147483648)) (<= |v_ULTIMATE.start_init_#t~nondet7#1_13| 2147483647) (= (select .cse1 1) 0) (= (select .cse0 4) 0) (= 0 (select .cse2 4)) (= |#memory_int| (store (store |v_#memory_int_26| 4 (store (store .cse2 0 |v_ULTIMATE.start_init_#t~nondet4#1_13|) 4 |v_ULTIMATE.start_init_#t~nondet5#1_13|)) 5 (store (store .cse0 0 |v_ULTIMATE.start_init_#t~nondet6#1_13|) 4 |v_ULTIMATE.start_init_#t~nondet7#1_13|))) (<= |v_ULTIMATE.start_init_#t~nondet6#1_13| 2147483647) (= (select .cse2 0) 0)))) (= (select |#valid| 3) 1) (= (select |#length| 4) 8) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= (select |#valid| 0) 0) (= |~#d1~0.offset| 0) (= (select |#valid| 2) 1) (= 8 (select |#length| 5))) [2023-11-12 00:44:05,122 INFO L899 garLoopResultBuilder]: For program point L35-1(line 35) no Hoare annotation was computed. [2023-11-12 00:44:05,125 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-12 00:44:05,129 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:44:05,156 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[5] could not be translated [2023-11-12 00:44:05,157 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated [2023-11-12 00:44:05,158 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_init_#t~nondet7#1_13 : int, v_ULTIMATE.start_init_#t~nondet4#1_13 : int, v_ULTIMATE.start_init_#t~nondet6#1_13 : int, v_#memory_int_24 : [int,int]int, v_ULTIMATE.start_init_#t~nondet5#1_13 : int :: (((((((((((((0 <= v_ULTIMATE.start_init_#t~nondet4#1_13 + 2147483648 && v_ULTIMATE.start_init_#t~nondet4#1_13 <= 2147483647) && v_#memory_int_24[1][1] == 0) && 0 <= v_ULTIMATE.start_init_#t~nondet6#1_13 + 2147483648) && 0 == v_#memory_int_24[5][4]) && v_ULTIMATE.start_init_#t~nondet5#1_13 <= 2147483647) && v_#memory_int_24[5][0] == 0) && 0 <= v_ULTIMATE.start_init_#t~nondet7#1_13 + 2147483648) && v_#memory_int_24[4][0] == 0) && 0 <= v_ULTIMATE.start_init_#t~nondet5#1_13 + 2147483648) && v_ULTIMATE.start_init_#t~nondet7#1_13 <= 2147483647) && v_#memory_int_24[1][0] == 48) && #memory_int == v_#memory_int_24[4 := v_#memory_int_24[4][0 := v_ULTIMATE.start_init_#t~nondet4#1_13][4 := v_ULTIMATE.start_init_#t~nondet5#1_13]][5 := v_#memory_int_24[5][0 := v_ULTIMATE.start_init_#t~nondet6#1_13][4 := v_ULTIMATE.start_init_#t~nondet7#1_13]]) && v_ULTIMATE.start_init_#t~nondet6#1_13 <= 2147483647) && v_#memory_int_24[4][4] == 0) could not be translated [2023-11-12 00:44:05,159 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated [2023-11-12 00:44:05,159 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated [2023-11-12 00:44:05,159 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated [2023-11-12 00:44:05,159 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~pd2~0!base][~pd2~0!offset] could not be translated [2023-11-12 00:44:05,160 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short15 could not be translated [2023-11-12 00:44:05,160 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_get_dummy_#t~nondet8_32 : int :: ~pd2~0!offset == 0 && ((!(v_get_dummy_#t~nondet8_32 % 256 == 0) && 4 == ~pd2~0!base) || (5 == ~pd2~0!base && v_get_dummy_#t~nondet8_32 % 256 == 0))) could not be translated [2023-11-12 00:44:05,160 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[4] could not be translated [2023-11-12 00:44:05,160 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[4] could not be translated [2023-11-12 00:44:05,161 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~pa~0!base][~pa~0!offset] could not be translated [2023-11-12 00:44:05,161 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated [2023-11-12 00:44:05,161 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated [2023-11-12 00:44:05,161 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated [2023-11-12 00:44:05,161 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[5] could not be translated [2023-11-12 00:44:05,163 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[5] could not be translated [2023-11-12 00:44:05,163 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated [2023-11-12 00:44:05,164 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_init_#t~nondet7#1_13 : int, v_ULTIMATE.start_init_#t~nondet4#1_13 : int, v_ULTIMATE.start_init_#t~nondet6#1_13 : int, v_#memory_int_24 : [int,int]int, v_ULTIMATE.start_init_#t~nondet5#1_13 : int :: (((((((((((((0 <= v_ULTIMATE.start_init_#t~nondet4#1_13 + 2147483648 && v_ULTIMATE.start_init_#t~nondet4#1_13 <= 2147483647) && v_#memory_int_24[1][1] == 0) && 0 <= v_ULTIMATE.start_init_#t~nondet6#1_13 + 2147483648) && 0 == v_#memory_int_24[5][4]) && v_ULTIMATE.start_init_#t~nondet5#1_13 <= 2147483647) && v_#memory_int_24[5][0] == 0) && 0 <= v_ULTIMATE.start_init_#t~nondet7#1_13 + 2147483648) && v_#memory_int_24[4][0] == 0) && 0 <= v_ULTIMATE.start_init_#t~nondet5#1_13 + 2147483648) && v_ULTIMATE.start_init_#t~nondet7#1_13 <= 2147483647) && v_#memory_int_24[1][0] == 48) && #memory_int == v_#memory_int_24[4 := v_#memory_int_24[4][0 := v_ULTIMATE.start_init_#t~nondet4#1_13][4 := v_ULTIMATE.start_init_#t~nondet5#1_13]][5 := v_#memory_int_24[5][0 := v_ULTIMATE.start_init_#t~nondet6#1_13][4 := v_ULTIMATE.start_init_#t~nondet7#1_13]]) && v_ULTIMATE.start_init_#t~nondet6#1_13 <= 2147483647) && v_#memory_int_24[4][4] == 0) could not be translated [2023-11-12 00:44:05,164 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated [2023-11-12 00:44:05,164 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated [2023-11-12 00:44:05,164 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated [2023-11-12 00:44:05,165 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~pd2~0!base][~pd2~0!offset] could not be translated [2023-11-12 00:44:05,165 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short15 could not be translated [2023-11-12 00:44:05,165 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_get_dummy_#t~nondet8_32 : int :: ~pd2~0!offset == 0 && ((!(v_get_dummy_#t~nondet8_32 % 256 == 0) && 4 == ~pd2~0!base) || (5 == ~pd2~0!base && v_get_dummy_#t~nondet8_32 % 256 == 0))) could not be translated [2023-11-12 00:44:05,165 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[4] could not be translated [2023-11-12 00:44:05,166 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[4] could not be translated [2023-11-12 00:44:05,166 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~pa~0!base][~pa~0!offset] could not be translated [2023-11-12 00:44:05,166 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated [2023-11-12 00:44:05,166 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated [2023-11-12 00:44:05,166 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated [2023-11-12 00:44:05,167 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[5] could not be translated [2023-11-12 00:44:05,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:44:05 BoogieIcfgContainer [2023-11-12 00:44:05,168 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:44:05,168 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:44:05,168 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:44:05,169 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:44:05,169 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:43:26" (3/4) ... [2023-11-12 00:44:05,171 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 00:44:05,179 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure get_dummy [2023-11-12 00:44:05,188 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-11-12 00:44:05,190 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-12 00:44:05,191 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-12 00:44:05,191 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 00:44:05,320 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff4023cb-d1c6-4357-b7c3-2a6500b48281/bin/utaipan-verify-NcY6lQBIFX/witness.graphml [2023-11-12 00:44:05,321 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff4023cb-d1c6-4357-b7c3-2a6500b48281/bin/utaipan-verify-NcY6lQBIFX/witness.yml [2023-11-12 00:44:05,321 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:44:05,322 INFO L158 Benchmark]: Toolchain (without parser) took 39850.77ms. Allocated memory was 155.2MB in the beginning and 580.9MB in the end (delta: 425.7MB). Free memory was 109.8MB in the beginning and 544.3MB in the end (delta: -434.4MB). Peak memory consumption was 336.5MB. Max. memory is 16.1GB. [2023-11-12 00:44:05,322 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 109.1MB. Free memory is still 61.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:44:05,323 INFO L158 Benchmark]: CACSL2BoogieTranslator took 371.85ms. Allocated memory is still 155.2MB. Free memory was 109.8MB in the beginning and 99.6MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 00:44:05,323 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.22ms. Allocated memory is still 155.2MB. Free memory was 99.6MB in the beginning and 97.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:44:05,323 INFO L158 Benchmark]: Boogie Preprocessor took 36.42ms. Allocated memory is still 155.2MB. Free memory was 97.5MB in the beginning and 96.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:44:05,324 INFO L158 Benchmark]: RCFGBuilder took 512.27ms. Allocated memory is still 155.2MB. Free memory was 96.1MB in the beginning and 79.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-12 00:44:05,324 INFO L158 Benchmark]: TraceAbstraction took 38698.07ms. Allocated memory was 155.2MB in the beginning and 580.9MB in the end (delta: 425.7MB). Free memory was 78.6MB in the beginning and 204.3MB in the end (delta: -125.6MB). Peak memory consumption was 300.8MB. Max. memory is 16.1GB. [2023-11-12 00:44:05,325 INFO L158 Benchmark]: Witness Printer took 153.12ms. Allocated memory is still 580.9MB. Free memory was 204.3MB in the beginning and 544.3MB in the end (delta: -340.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:44:05,327 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 109.1MB. Free memory is still 61.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 371.85ms. Allocated memory is still 155.2MB. Free memory was 109.8MB in the beginning and 99.6MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.22ms. Allocated memory is still 155.2MB. Free memory was 99.6MB in the beginning and 97.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.42ms. Allocated memory is still 155.2MB. Free memory was 97.5MB in the beginning and 96.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 512.27ms. Allocated memory is still 155.2MB. Free memory was 96.1MB in the beginning and 79.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 38698.07ms. Allocated memory was 155.2MB in the beginning and 580.9MB in the end (delta: 425.7MB). Free memory was 78.6MB in the beginning and 204.3MB in the end (delta: -125.6MB). Peak memory consumption was 300.8MB. Max. memory is 16.1GB. * Witness Printer took 153.12ms. Allocated memory is still 580.9MB. Free memory was 204.3MB in the beginning and 544.3MB in the end (delta: -340.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[5] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_init_#t~nondet7#1_13 : int, v_ULTIMATE.start_init_#t~nondet4#1_13 : int, v_ULTIMATE.start_init_#t~nondet6#1_13 : int, v_#memory_int_24 : [int,int]int, v_ULTIMATE.start_init_#t~nondet5#1_13 : int :: (((((((((((((0 <= v_ULTIMATE.start_init_#t~nondet4#1_13 + 2147483648 && v_ULTIMATE.start_init_#t~nondet4#1_13 <= 2147483647) && v_#memory_int_24[1][1] == 0) && 0 <= v_ULTIMATE.start_init_#t~nondet6#1_13 + 2147483648) && 0 == v_#memory_int_24[5][4]) && v_ULTIMATE.start_init_#t~nondet5#1_13 <= 2147483647) && v_#memory_int_24[5][0] == 0) && 0 <= v_ULTIMATE.start_init_#t~nondet7#1_13 + 2147483648) && v_#memory_int_24[4][0] == 0) && 0 <= v_ULTIMATE.start_init_#t~nondet5#1_13 + 2147483648) && v_ULTIMATE.start_init_#t~nondet7#1_13 <= 2147483647) && v_#memory_int_24[1][0] == 48) && #memory_int == v_#memory_int_24[4 := v_#memory_int_24[4][0 := v_ULTIMATE.start_init_#t~nondet4#1_13][4 := v_ULTIMATE.start_init_#t~nondet5#1_13]][5 := v_#memory_int_24[5][0 := v_ULTIMATE.start_init_#t~nondet6#1_13][4 := v_ULTIMATE.start_init_#t~nondet7#1_13]]) && v_ULTIMATE.start_init_#t~nondet6#1_13 <= 2147483647) && v_#memory_int_24[4][4] == 0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~pd2~0!base][~pd2~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short15 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_get_dummy_#t~nondet8_32 : int :: ~pd2~0!offset == 0 && ((!(v_get_dummy_#t~nondet8_32 % 256 == 0) && 4 == ~pd2~0!base) || (5 == ~pd2~0!base && v_get_dummy_#t~nondet8_32 % 256 == 0))) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~pa~0!base][~pa~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[5] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[5] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_init_#t~nondet7#1_13 : int, v_ULTIMATE.start_init_#t~nondet4#1_13 : int, v_ULTIMATE.start_init_#t~nondet6#1_13 : int, v_#memory_int_24 : [int,int]int, v_ULTIMATE.start_init_#t~nondet5#1_13 : int :: (((((((((((((0 <= v_ULTIMATE.start_init_#t~nondet4#1_13 + 2147483648 && v_ULTIMATE.start_init_#t~nondet4#1_13 <= 2147483647) && v_#memory_int_24[1][1] == 0) && 0 <= v_ULTIMATE.start_init_#t~nondet6#1_13 + 2147483648) && 0 == v_#memory_int_24[5][4]) && v_ULTIMATE.start_init_#t~nondet5#1_13 <= 2147483647) && v_#memory_int_24[5][0] == 0) && 0 <= v_ULTIMATE.start_init_#t~nondet7#1_13 + 2147483648) && v_#memory_int_24[4][0] == 0) && 0 <= v_ULTIMATE.start_init_#t~nondet5#1_13 + 2147483648) && v_ULTIMATE.start_init_#t~nondet7#1_13 <= 2147483647) && v_#memory_int_24[1][0] == 48) && #memory_int == v_#memory_int_24[4 := v_#memory_int_24[4][0 := v_ULTIMATE.start_init_#t~nondet4#1_13][4 := v_ULTIMATE.start_init_#t~nondet5#1_13]][5 := v_#memory_int_24[5][0 := v_ULTIMATE.start_init_#t~nondet6#1_13][4 := v_ULTIMATE.start_init_#t~nondet7#1_13]]) && v_ULTIMATE.start_init_#t~nondet6#1_13 <= 2147483647) && v_#memory_int_24[4][4] == 0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~pd2~0!base][~pd2~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short15 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_get_dummy_#t~nondet8_32 : int :: ~pd2~0!offset == 0 && ((!(v_get_dummy_#t~nondet8_32 % 256 == 0) && 4 == ~pd2~0!base) || (5 == ~pd2~0!base && v_get_dummy_#t~nondet8_32 % 256 == 0))) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~pa~0!base][~pa~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[5] 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: 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: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: 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, 25 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 38.6s, OverallIterations: 5, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 175 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 174 mSDsluCounter, 143 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 96 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 427 IncrementalHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 47 mSDtfsCounter, 427 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 234 GetRequests, 101 SyntacticMatches, 8 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1460 ImplicationChecksByTransitivity, 19.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 50, 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, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 7 PreInvPairs, 11 NumberOfFragments, 806 HoareAnnotationTreeSize, 7 FomulaSimplifications, 10 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 5 FomulaSimplificationsInter, 5918 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 6.8s InterpolantComputationTime, 154 NumberOfCodeBlocks, 154 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 203 ConstructedInterpolants, 0 QuantifiedInterpolants, 2468 SizeOfPredicates, 33 NumberOfNonLiveVariables, 387 ConjunctsInSsa, 95 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 45/78 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: 7.2s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 4, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 32, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 22, TOOLS_POST_TIME: 3.7s, TOOLS_POST_CALL_APPLICATIONS: 18, TOOLS_POST_CALL_TIME: 1.3s, TOOLS_POST_RETURN_APPLICATIONS: 12, TOOLS_POST_RETURN_TIME: 1.3s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 52, TOOLS_QUANTIFIERELIM_TIME: 6.3s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.4s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 78, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 16, DOMAIN_JOIN_TIME: 0.6s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 32, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME: 0.0s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 12, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 353, DAG_COMPRESSION_RETAINED_NODES: 84, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 40]: Loop Invariant [2023-11-12 00:44:05,349 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[5] could not be translated [2023-11-12 00:44:05,350 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated [2023-11-12 00:44:05,350 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_init_#t~nondet7#1_13 : int, v_ULTIMATE.start_init_#t~nondet4#1_13 : int, v_ULTIMATE.start_init_#t~nondet6#1_13 : int, v_#memory_int_24 : [int,int]int, v_ULTIMATE.start_init_#t~nondet5#1_13 : int :: (((((((((((((0 <= v_ULTIMATE.start_init_#t~nondet4#1_13 + 2147483648 && v_ULTIMATE.start_init_#t~nondet4#1_13 <= 2147483647) && v_#memory_int_24[1][1] == 0) && 0 <= v_ULTIMATE.start_init_#t~nondet6#1_13 + 2147483648) && 0 == v_#memory_int_24[5][4]) && v_ULTIMATE.start_init_#t~nondet5#1_13 <= 2147483647) && v_#memory_int_24[5][0] == 0) && 0 <= v_ULTIMATE.start_init_#t~nondet7#1_13 + 2147483648) && v_#memory_int_24[4][0] == 0) && 0 <= v_ULTIMATE.start_init_#t~nondet5#1_13 + 2147483648) && v_ULTIMATE.start_init_#t~nondet7#1_13 <= 2147483647) && v_#memory_int_24[1][0] == 48) && #memory_int == v_#memory_int_24[4 := v_#memory_int_24[4][0 := v_ULTIMATE.start_init_#t~nondet4#1_13][4 := v_ULTIMATE.start_init_#t~nondet5#1_13]][5 := v_#memory_int_24[5][0 := v_ULTIMATE.start_init_#t~nondet6#1_13][4 := v_ULTIMATE.start_init_#t~nondet7#1_13]]) && v_ULTIMATE.start_init_#t~nondet6#1_13 <= 2147483647) && v_#memory_int_24[4][4] == 0) could not be translated [2023-11-12 00:44:05,351 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated [2023-11-12 00:44:05,351 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated [2023-11-12 00:44:05,351 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated [2023-11-12 00:44:05,356 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~pd2~0!base][~pd2~0!offset] could not be translated [2023-11-12 00:44:05,357 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short15 could not be translated [2023-11-12 00:44:05,357 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_get_dummy_#t~nondet8_32 : int :: ~pd2~0!offset == 0 && ((!(v_get_dummy_#t~nondet8_32 % 256 == 0) && 4 == ~pd2~0!base) || (5 == ~pd2~0!base && v_get_dummy_#t~nondet8_32 % 256 == 0))) could not be translated [2023-11-12 00:44:05,357 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[4] could not be translated [2023-11-12 00:44:05,357 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[4] could not be translated [2023-11-12 00:44:05,358 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~pa~0!base][~pa~0!offset] could not be translated [2023-11-12 00:44:05,358 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated [2023-11-12 00:44:05,358 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated [2023-11-12 00:44:05,358 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated [2023-11-12 00:44:05,358 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[5] could not be translated [2023-11-12 00:44:05,360 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[5] could not be translated [2023-11-12 00:44:05,360 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated [2023-11-12 00:44:05,360 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_init_#t~nondet7#1_13 : int, v_ULTIMATE.start_init_#t~nondet4#1_13 : int, v_ULTIMATE.start_init_#t~nondet6#1_13 : int, v_#memory_int_24 : [int,int]int, v_ULTIMATE.start_init_#t~nondet5#1_13 : int :: (((((((((((((0 <= v_ULTIMATE.start_init_#t~nondet4#1_13 + 2147483648 && v_ULTIMATE.start_init_#t~nondet4#1_13 <= 2147483647) && v_#memory_int_24[1][1] == 0) && 0 <= v_ULTIMATE.start_init_#t~nondet6#1_13 + 2147483648) && 0 == v_#memory_int_24[5][4]) && v_ULTIMATE.start_init_#t~nondet5#1_13 <= 2147483647) && v_#memory_int_24[5][0] == 0) && 0 <= v_ULTIMATE.start_init_#t~nondet7#1_13 + 2147483648) && v_#memory_int_24[4][0] == 0) && 0 <= v_ULTIMATE.start_init_#t~nondet5#1_13 + 2147483648) && v_ULTIMATE.start_init_#t~nondet7#1_13 <= 2147483647) && v_#memory_int_24[1][0] == 48) && #memory_int == v_#memory_int_24[4 := v_#memory_int_24[4][0 := v_ULTIMATE.start_init_#t~nondet4#1_13][4 := v_ULTIMATE.start_init_#t~nondet5#1_13]][5 := v_#memory_int_24[5][0 := v_ULTIMATE.start_init_#t~nondet6#1_13][4 := v_ULTIMATE.start_init_#t~nondet7#1_13]]) && v_ULTIMATE.start_init_#t~nondet6#1_13 <= 2147483647) && v_#memory_int_24[4][4] == 0) could not be translated [2023-11-12 00:44:05,361 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated [2023-11-12 00:44:05,361 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated [2023-11-12 00:44:05,362 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated [2023-11-12 00:44:05,362 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~pd2~0!base][~pd2~0!offset] could not be translated [2023-11-12 00:44:05,362 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short15 could not be translated [2023-11-12 00:44:05,362 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_get_dummy_#t~nondet8_32 : int :: ~pd2~0!offset == 0 && ((!(v_get_dummy_#t~nondet8_32 % 256 == 0) && 4 == ~pd2~0!base) || (5 == ~pd2~0!base && v_get_dummy_#t~nondet8_32 % 256 == 0))) could not be translated [2023-11-12 00:44:05,362 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[4] could not be translated [2023-11-12 00:44:05,363 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[4] could not be translated [2023-11-12 00:44:05,363 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~pa~0!base][~pa~0!offset] could not be translated [2023-11-12 00:44:05,363 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated [2023-11-12 00:44:05,363 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated [2023-11-12 00:44:05,363 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated [2023-11-12 00:44:05,364 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[5] could not be translated Derived loop invariant: (0 <= (i + 2147483648)) RESULT: Ultimate proved your program to be correct! [2023-11-12 00:44:05,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff4023cb-d1c6-4357-b7c3-2a6500b48281/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE