./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-tiling/pnr3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c703ed-3f54-4276-a11f-e8c130208c53/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c703ed-3f54-4276-a11f-e8c130208c53/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c703ed-3f54-4276-a11f-e8c130208c53/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c703ed-3f54-4276-a11f-e8c130208c53/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-tiling/pnr3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c703ed-3f54-4276-a11f-e8c130208c53/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c703ed-3f54-4276-a11f-e8c130208c53/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e32269e91be552d606173d0b8eafd4ffa81c0e735dd375e4417d1ccfc27eaf5e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 14:01:25,133 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 14:01:25,195 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c703ed-3f54-4276-a11f-e8c130208c53/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-12-02 14:01:25,200 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 14:01:25,201 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 14:01:25,221 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 14:01:25,222 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 14:01:25,222 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 14:01:25,223 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 14:01:25,224 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 14:01:25,224 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 14:01:25,225 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 14:01:25,225 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 14:01:25,226 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 14:01:25,226 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 14:01:25,227 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 14:01:25,227 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 14:01:25,228 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 14:01:25,228 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 14:01:25,229 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 14:01:25,229 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 14:01:25,232 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 14:01:25,232 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 14:01:25,233 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 14:01:25,233 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 14:01:25,233 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 14:01:25,234 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 14:01:25,234 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 14:01:25,234 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 14:01:25,235 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 14:01:25,235 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 14:01:25,235 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 14:01:25,236 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 14:01:25,236 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 14:01:25,236 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 14:01:25,236 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 14:01:25,236 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 14:01:25,236 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 14:01:25,237 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 14:01:25,237 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:01:25,237 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 14:01:25,237 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 14:01:25,238 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 14:01:25,238 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 14:01:25,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 14:01:25,238 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 14:01:25,238 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 14:01:25,238 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 14:01:25,239 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 14:01:25,239 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_b5c703ed-3f54-4276-a11f-e8c130208c53/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c703ed-3f54-4276-a11f-e8c130208c53/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e32269e91be552d606173d0b8eafd4ffa81c0e735dd375e4417d1ccfc27eaf5e [2023-12-02 14:01:25,429 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 14:01:25,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 14:01:25,452 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 14:01:25,453 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 14:01:25,454 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 14:01:25,455 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c703ed-3f54-4276-a11f-e8c130208c53/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/array-tiling/pnr3.c [2023-12-02 14:01:28,167 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 14:01:28,344 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 14:01:28,344 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c703ed-3f54-4276-a11f-e8c130208c53/sv-benchmarks/c/array-tiling/pnr3.c [2023-12-02 14:01:28,352 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c703ed-3f54-4276-a11f-e8c130208c53/bin/utaipan-verify-nQ1chXbOIh/data/9065bcc05/b103aeda93eb4752bc68d40d4ab49960/FLAGd84f5fb48 [2023-12-02 14:01:28,367 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c703ed-3f54-4276-a11f-e8c130208c53/bin/utaipan-verify-nQ1chXbOIh/data/9065bcc05/b103aeda93eb4752bc68d40d4ab49960 [2023-12-02 14:01:28,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 14:01:28,371 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 14:01:28,373 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 14:01:28,373 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 14:01:28,377 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 14:01:28,378 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:01:28" (1/1) ... [2023-12-02 14:01:28,379 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bd4a27b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:01:28, skipping insertion in model container [2023-12-02 14:01:28,379 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:01:28" (1/1) ... [2023-12-02 14:01:28,399 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 14:01:28,539 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:01:28,549 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 14:01:28,572 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:01:28,586 INFO L206 MainTranslator]: Completed translation [2023-12-02 14:01:28,587 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:01:28 WrapperNode [2023-12-02 14:01:28,587 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 14:01:28,588 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 14:01:28,588 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 14:01:28,588 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 14:01:28,595 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:01:28" (1/1) ... [2023-12-02 14:01:28,602 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:01:28" (1/1) ... [2023-12-02 14:01:28,629 INFO L138 Inliner]: procedures = 17, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 116 [2023-12-02 14:01:28,629 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 14:01:28,630 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 14:01:28,630 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 14:01:28,630 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 14:01:28,639 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:01:28" (1/1) ... [2023-12-02 14:01:28,639 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:01:28" (1/1) ... [2023-12-02 14:01:28,642 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:01:28" (1/1) ... [2023-12-02 14:01:28,642 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:01:28" (1/1) ... [2023-12-02 14:01:28,648 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:01:28" (1/1) ... [2023-12-02 14:01:28,652 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:01:28" (1/1) ... [2023-12-02 14:01:28,653 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:01:28" (1/1) ... [2023-12-02 14:01:28,655 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:01:28" (1/1) ... [2023-12-02 14:01:28,657 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 14:01:28,658 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 14:01:28,658 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 14:01:28,658 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 14:01:28,659 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:01:28" (1/1) ... [2023-12-02 14:01:28,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:01:28,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c703ed-3f54-4276-a11f-e8c130208c53/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:01:28,714 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c703ed-3f54-4276-a11f-e8c130208c53/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 14:01:28,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c703ed-3f54-4276-a11f-e8c130208c53/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 14:01:28,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 14:01:28,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 14:01:28,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 14:01:28,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 14:01:28,748 INFO L130 BoogieDeclarations]: Found specification of procedure ReadFromPort [2023-12-02 14:01:28,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadFromPort [2023-12-02 14:01:28,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 14:01:28,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 14:01:28,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 14:01:28,814 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 14:01:28,816 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 14:01:29,071 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 14:01:29,113 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 14:01:29,113 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 14:01:29,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:01:29 BoogieIcfgContainer [2023-12-02 14:01:29,115 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 14:01:29,118 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 14:01:29,118 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 14:01:29,121 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 14:01:29,122 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:01:28" (1/3) ... [2023-12-02 14:01:29,122 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b4e43d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:01:29, skipping insertion in model container [2023-12-02 14:01:29,122 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:01:28" (2/3) ... [2023-12-02 14:01:29,123 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b4e43d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:01:29, skipping insertion in model container [2023-12-02 14:01:29,123 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:01:29" (3/3) ... [2023-12-02 14:01:29,124 INFO L112 eAbstractionObserver]: Analyzing ICFG pnr3.c [2023-12-02 14:01:29,144 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 14:01:29,144 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2023-12-02 14:01:29,197 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 14:01:29,204 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;@6a9abb3c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 14:01:29,204 INFO L358 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2023-12-02 14:01:29,208 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 46 states have (on average 1.826086956521739) internal successors, (84), 76 states have internal predecessors, (84), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-12-02 14:01:29,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 14:01:29,214 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:01:29,215 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-12-02 14:01:29,215 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2023-12-02 14:01:29,240 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:01:29,241 INFO L85 PathProgramCache]: Analyzing trace with hash 5672093, now seen corresponding path program 1 times [2023-12-02 14:01:29,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:01:29,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007836582] [2023-12-02 14:01:29,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:01:29,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:01:29,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:01:29,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 14:01:29,577 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:01:29,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007836582] [2023-12-02 14:01:29,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007836582] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:01:29,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:01:29,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 14:01:29,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020617622] [2023-12-02 14:01:29,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:01:29,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 14:01:29,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:01:29,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 14:01:29,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-02 14:01:29,611 INFO L87 Difference]: Start difference. First operand has 81 states, 46 states have (on average 1.826086956521739) internal successors, (84), 76 states have internal predecessors, (84), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 14:01:29,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:01:29,692 INFO L93 Difference]: Finished difference Result 95 states and 102 transitions. [2023-12-02 14:01:29,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 14:01:29,694 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2023-12-02 14:01:29,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:01:29,702 INFO L225 Difference]: With dead ends: 95 [2023-12-02 14:01:29,702 INFO L226 Difference]: Without dead ends: 77 [2023-12-02 14:01:29,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-02 14:01:29,708 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 161 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 14:01:29,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 78 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 14:01:29,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-12-02 14:01:29,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2023-12-02 14:01:29,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 44 states have (on average 1.75) internal successors, (77), 72 states have internal predecessors, (77), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-12-02 14:01:29,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 83 transitions. [2023-12-02 14:01:29,747 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 83 transitions. Word has length 4 [2023-12-02 14:01:29,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:01:29,748 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 83 transitions. [2023-12-02 14:01:29,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 14:01:29,748 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 83 transitions. [2023-12-02 14:01:29,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 14:01:29,749 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:01:29,749 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-12-02 14:01:29,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 14:01:29,749 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2023-12-02 14:01:29,750 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:01:29,750 INFO L85 PathProgramCache]: Analyzing trace with hash 175834939, now seen corresponding path program 1 times [2023-12-02 14:01:29,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:01:29,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266956119] [2023-12-02 14:01:29,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:01:29,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:01:29,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:01:29,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 14:01:29,936 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:01:29,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266956119] [2023-12-02 14:01:29,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266956119] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:01:29,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:01:29,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 14:01:29,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435995404] [2023-12-02 14:01:29,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:01:29,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 14:01:29,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:01:29,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 14:01:29,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 14:01:29,940 INFO L87 Difference]: Start difference. First operand 77 states and 83 transitions. Second operand has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 14:01:30,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:01:30,020 INFO L93 Difference]: Finished difference Result 77 states and 83 transitions. [2023-12-02 14:01:30,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 14:01:30,021 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2023-12-02 14:01:30,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:01:30,022 INFO L225 Difference]: With dead ends: 77 [2023-12-02 14:01:30,022 INFO L226 Difference]: Without dead ends: 76 [2023-12-02 14:01:30,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-02 14:01:30,025 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 221 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 14:01:30,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 73 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 14:01:30,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2023-12-02 14:01:30,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2023-12-02 14:01:30,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 44 states have (on average 1.7272727272727273) internal successors, (76), 71 states have internal predecessors, (76), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-12-02 14:01:30,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 82 transitions. [2023-12-02 14:01:30,037 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 82 transitions. Word has length 5 [2023-12-02 14:01:30,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:01:30,037 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 82 transitions. [2023-12-02 14:01:30,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 14:01:30,038 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 82 transitions. [2023-12-02 14:01:30,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 14:01:30,039 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:01:30,039 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:01:30,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 14:01:30,039 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2023-12-02 14:01:30,040 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:01:30,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1157893811, now seen corresponding path program 1 times [2023-12-02 14:01:30,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:01:30,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011157274] [2023-12-02 14:01:30,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:01:30,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:01:30,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:01:30,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 14:01:30,109 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:01:30,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011157274] [2023-12-02 14:01:30,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011157274] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:01:30,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:01:30,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 14:01:30,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604588337] [2023-12-02 14:01:30,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:01:30,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 14:01:30,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:01:30,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 14:01:30,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 14:01:30,112 INFO L87 Difference]: Start difference. First operand 76 states and 82 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 14:01:30,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:01:30,213 INFO L93 Difference]: Finished difference Result 81 states and 87 transitions. [2023-12-02 14:01:30,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 14:01:30,214 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-12-02 14:01:30,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:01:30,215 INFO L225 Difference]: With dead ends: 81 [2023-12-02 14:01:30,215 INFO L226 Difference]: Without dead ends: 79 [2023-12-02 14:01:30,216 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 [2023-12-02 14:01:30,217 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 3 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 14:01:30,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 173 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 14:01:30,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-12-02 14:01:30,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2023-12-02 14:01:30,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 47 states have (on average 1.6808510638297873) internal successors, (79), 74 states have internal predecessors, (79), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-12-02 14:01:30,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 85 transitions. [2023-12-02 14:01:30,230 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 85 transitions. Word has length 9 [2023-12-02 14:01:30,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:01:30,231 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 85 transitions. [2023-12-02 14:01:30,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 14:01:30,231 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 85 transitions. [2023-12-02 14:01:30,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 14:01:30,232 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:01:30,232 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:01:30,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 14:01:30,233 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2023-12-02 14:01:30,233 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:01:30,233 INFO L85 PathProgramCache]: Analyzing trace with hash 890620373, now seen corresponding path program 1 times [2023-12-02 14:01:30,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:01:30,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745219804] [2023-12-02 14:01:30,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:01:30,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:01:30,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:01:30,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 14:01:30,273 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:01:30,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745219804] [2023-12-02 14:01:30,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745219804] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:01:30,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:01:30,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 14:01:30,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846700293] [2023-12-02 14:01:30,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:01:30,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:01:30,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:01:30,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:01:30,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:01:30,276 INFO L87 Difference]: Start difference. First operand 79 states and 85 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-02 14:01:30,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:01:30,428 INFO L93 Difference]: Finished difference Result 145 states and 158 transitions. [2023-12-02 14:01:30,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:01:30,430 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2023-12-02 14:01:30,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:01:30,432 INFO L225 Difference]: With dead ends: 145 [2023-12-02 14:01:30,432 INFO L226 Difference]: Without dead ends: 121 [2023-12-02 14:01:30,432 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:01:30,434 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 36 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 14:01:30,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 74 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 14:01:30,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-12-02 14:01:30,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 115. [2023-12-02 14:01:30,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 80 states have (on average 1.45) internal successors, (116), 107 states have internal predecessors, (116), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-12-02 14:01:30,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 128 transitions. [2023-12-02 14:01:30,448 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 128 transitions. Word has length 12 [2023-12-02 14:01:30,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:01:30,449 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 128 transitions. [2023-12-02 14:01:30,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-02 14:01:30,450 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 128 transitions. [2023-12-02 14:01:30,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 14:01:30,450 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:01:30,451 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:01:30,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-02 14:01:30,451 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2023-12-02 14:01:30,451 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:01:30,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1932002535, now seen corresponding path program 1 times [2023-12-02 14:01:30,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:01:30,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822649504] [2023-12-02 14:01:30,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:01:30,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:01:30,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:01:30,567 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 14:01:30,568 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:01:30,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822649504] [2023-12-02 14:01:30,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822649504] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:01:30,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:01:30,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 14:01:30,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573381196] [2023-12-02 14:01:30,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:01:30,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 14:01:30,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:01:30,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 14:01:30,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-02 14:01:30,570 INFO L87 Difference]: Start difference. First operand 115 states and 128 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 14:01:30,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:01:30,722 INFO L93 Difference]: Finished difference Result 129 states and 142 transitions. [2023-12-02 14:01:30,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 14:01:30,723 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-12-02 14:01:30,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:01:30,724 INFO L225 Difference]: With dead ends: 129 [2023-12-02 14:01:30,724 INFO L226 Difference]: Without dead ends: 120 [2023-12-02 14:01:30,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-02 14:01:30,726 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 118 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 14:01:30,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 61 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 14:01:30,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2023-12-02 14:01:30,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 115. [2023-12-02 14:01:30,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 80 states have (on average 1.4375) internal successors, (115), 107 states have internal predecessors, (115), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-12-02 14:01:30,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 127 transitions. [2023-12-02 14:01:30,739 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 127 transitions. Word has length 12 [2023-12-02 14:01:30,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:01:30,739 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 127 transitions. [2023-12-02 14:01:30,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 14:01:30,740 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 127 transitions. [2023-12-02 14:01:30,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-02 14:01:30,741 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:01:30,741 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:01:30,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-02 14:01:30,741 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2023-12-02 14:01:30,742 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:01:30,742 INFO L85 PathProgramCache]: Analyzing trace with hash -1184258065, now seen corresponding path program 1 times [2023-12-02 14:01:30,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:01:30,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348403683] [2023-12-02 14:01:30,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:01:30,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:01:30,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:01:30,813 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 14:01:30,813 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:01:30,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348403683] [2023-12-02 14:01:30,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348403683] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:01:30,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:01:30,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 14:01:30,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650792137] [2023-12-02 14:01:30,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:01:30,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 14:01:30,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:01:30,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 14:01:30,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 14:01:30,816 INFO L87 Difference]: Start difference. First operand 115 states and 127 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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) [2023-12-02 14:01:30,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:01:30,948 INFO L93 Difference]: Finished difference Result 120 states and 132 transitions. [2023-12-02 14:01:30,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 14:01:30,949 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 35 [2023-12-02 14:01:30,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:01:30,950 INFO L225 Difference]: With dead ends: 120 [2023-12-02 14:01:30,950 INFO L226 Difference]: Without dead ends: 118 [2023-12-02 14:01:30,951 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 [2023-12-02 14:01:30,952 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 18 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 14:01:30,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 121 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 14:01:30,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2023-12-02 14:01:30,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2023-12-02 14:01:30,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 83 states have (on average 1.4216867469879517) internal successors, (118), 110 states have internal predecessors, (118), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-12-02 14:01:30,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 130 transitions. [2023-12-02 14:01:30,965 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 130 transitions. Word has length 35 [2023-12-02 14:01:30,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:01:30,965 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 130 transitions. [2023-12-02 14:01:30,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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) [2023-12-02 14:01:30,965 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 130 transitions. [2023-12-02 14:01:30,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-02 14:01:30,967 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:01:30,967 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:01:30,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-02 14:01:30,968 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2023-12-02 14:01:30,968 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:01:30,968 INFO L85 PathProgramCache]: Analyzing trace with hash -2107549613, now seen corresponding path program 1 times [2023-12-02 14:01:30,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:01:30,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540875016] [2023-12-02 14:01:30,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:01:30,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:01:30,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:01:31,073 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 14:01:31,073 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:01:31,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540875016] [2023-12-02 14:01:31,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540875016] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 14:01:31,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [850583657] [2023-12-02 14:01:31,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:01:31,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:01:31,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c703ed-3f54-4276-a11f-e8c130208c53/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:01:31,076 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c703ed-3f54-4276-a11f-e8c130208c53/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:01:31,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c703ed-3f54-4276-a11f-e8c130208c53/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 14:01:31,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:01:31,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 14:01:31,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:01:31,269 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 14:01:31,270 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 14:01:31,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [850583657] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:01:31,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 14:01:31,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2023-12-02 14:01:31,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527871878] [2023-12-02 14:01:31,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:01:31,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 14:01:31,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:01:31,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 14:01:31,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-12-02 14:01:31,272 INFO L87 Difference]: Start difference. First operand 118 states and 130 transitions. Second operand has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-02 14:01:31,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:01:31,446 INFO L93 Difference]: Finished difference Result 118 states and 130 transitions. [2023-12-02 14:01:31,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 14:01:31,447 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 45 [2023-12-02 14:01:31,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:01:31,448 INFO L225 Difference]: With dead ends: 118 [2023-12-02 14:01:31,448 INFO L226 Difference]: Without dead ends: 105 [2023-12-02 14:01:31,449 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-12-02 14:01:31,450 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 65 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 14:01:31,450 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 109 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 14:01:31,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2023-12-02 14:01:31,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2023-12-02 14:01:31,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 83 states have (on average 1.2650602409638554) internal successors, (105), 97 states have internal predecessors, (105), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-12-02 14:01:31,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 117 transitions. [2023-12-02 14:01:31,461 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 117 transitions. Word has length 45 [2023-12-02 14:01:31,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:01:31,461 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 117 transitions. [2023-12-02 14:01:31,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-02 14:01:31,461 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 117 transitions. [2023-12-02 14:01:31,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-02 14:01:31,463 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:01:31,463 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:01:31,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c703ed-3f54-4276-a11f-e8c130208c53/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 14:01:31,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c703ed-3f54-4276-a11f-e8c130208c53/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-12-02 14:01:31,665 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2023-12-02 14:01:31,665 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:01:31,665 INFO L85 PathProgramCache]: Analyzing trace with hash -635205225, now seen corresponding path program 1 times [2023-12-02 14:01:31,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:01:31,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689170724] [2023-12-02 14:01:31,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:01:31,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:01:31,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:01:31,769 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 14:01:31,769 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:01:31,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689170724] [2023-12-02 14:01:31,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689170724] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 14:01:31,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1076404569] [2023-12-02 14:01:31,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:01:31,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:01:31,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c703ed-3f54-4276-a11f-e8c130208c53/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:01:31,771 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c703ed-3f54-4276-a11f-e8c130208c53/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:01:31,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c703ed-3f54-4276-a11f-e8c130208c53/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 14:01:31,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:01:31,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 14:01:31,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:01:31,879 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 14:01:31,879 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 14:01:31,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1076404569] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:01:31,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 14:01:31,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2023-12-02 14:01:31,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583954440] [2023-12-02 14:01:31,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:01:31,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 14:01:31,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:01:31,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 14:01:31,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-12-02 14:01:31,882 INFO L87 Difference]: Start difference. First operand 105 states and 117 transitions. Second operand has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 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) [2023-12-02 14:01:32,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:01:32,008 INFO L93 Difference]: Finished difference Result 105 states and 117 transitions. [2023-12-02 14:01:32,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 14:01:32,009 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 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 45 [2023-12-02 14:01:32,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:01:32,010 INFO L225 Difference]: With dead ends: 105 [2023-12-02 14:01:32,010 INFO L226 Difference]: Without dead ends: 104 [2023-12-02 14:01:32,011 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-12-02 14:01:32,011 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 46 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 14:01:32,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 108 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 14:01:32,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-12-02 14:01:32,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2023-12-02 14:01:32,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 83 states have (on average 1.2530120481927711) internal successors, (104), 96 states have internal predecessors, (104), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-12-02 14:01:32,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 116 transitions. [2023-12-02 14:01:32,021 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 116 transitions. Word has length 45 [2023-12-02 14:01:32,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:01:32,021 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 116 transitions. [2023-12-02 14:01:32,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 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) [2023-12-02 14:01:32,022 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 116 transitions. [2023-12-02 14:01:32,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-02 14:01:32,023 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:01:32,023 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:01:32,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c703ed-3f54-4276-a11f-e8c130208c53/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-02 14:01:32,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c703ed-3f54-4276-a11f-e8c130208c53/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-12-02 14:01:32,229 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2023-12-02 14:01:32,229 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:01:32,229 INFO L85 PathProgramCache]: Analyzing trace with hash -909528493, now seen corresponding path program 1 times [2023-12-02 14:01:32,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:01:32,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745919917] [2023-12-02 14:01:32,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:01:32,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:01:32,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:01:32,313 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 14:01:32,314 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:01:32,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745919917] [2023-12-02 14:01:32,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745919917] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 14:01:32,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [791104494] [2023-12-02 14:01:32,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:01:32,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:01:32,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c703ed-3f54-4276-a11f-e8c130208c53/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:01:32,315 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c703ed-3f54-4276-a11f-e8c130208c53/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:01:32,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c703ed-3f54-4276-a11f-e8c130208c53/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-02 14:01:32,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:01:32,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 14:01:32,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:01:32,468 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 14:01:32,468 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:01:32,566 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 14:01:32,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [791104494] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 14:01:32,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2055795103] [2023-12-02 14:01:32,587 INFO L159 IcfgInterpreter]: Started Sifa with 33 locations of interest [2023-12-02 14:01:32,587 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 14:01:32,590 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 14:01:32,595 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 14:01:32,596 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 14:01:36,850 INFO L197 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 1 for LOIs [2023-12-02 14:01:36,851 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 14:01:39,069 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2493#(and (<= 715827883 |ULTIMATE.start_main_~i~0#1|) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= ~MAX~0 100000) (= |ULTIMATE.start_main_~DEFAULTVAL~0#1| 0) (<= 2 ~SIZE~0) (<= |ULTIMATE.start_main_~value~0#1| 2147483647) (= 10 |ULTIMATE.start_main_~FIXEDVAL~0#1|) (<= ~SIZE~0 99999) (not (= 0 |ULTIMATE.start_main_~value~0#1|)) (<= 0 (+ 2147483648 |ULTIMATE.start_main_~value~0#1|)))' at error location [2023-12-02 14:01:39,069 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 14:01:39,069 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 14:01:39,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2023-12-02 14:01:39,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914895241] [2023-12-02 14:01:39,070 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 14:01:39,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-02 14:01:39,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:01:39,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-02 14:01:39,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=724, Unknown=6, NotChecked=0, Total=870 [2023-12-02 14:01:39,072 INFO L87 Difference]: Start difference. First operand 104 states and 116 transitions. Second operand has 10 states, 9 states have (on average 10.222222222222221) internal successors, (92), 10 states have internal predecessors, (92), 5 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2023-12-02 14:01:39,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:01:39,272 INFO L93 Difference]: Finished difference Result 158 states and 192 transitions. [2023-12-02 14:01:39,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 14:01:39,272 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 10.222222222222221) internal successors, (92), 10 states have internal predecessors, (92), 5 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 46 [2023-12-02 14:01:39,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:01:39,274 INFO L225 Difference]: With dead ends: 158 [2023-12-02 14:01:39,274 INFO L226 Difference]: Without dead ends: 145 [2023-12-02 14:01:39,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 107 SyntacticMatches, 5 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 371 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=157, Invalid=829, Unknown=6, NotChecked=0, Total=992 [2023-12-02 14:01:39,275 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 105 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 14:01:39,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 138 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 14:01:39,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2023-12-02 14:01:39,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 143. [2023-12-02 14:01:39,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 128 states have (on average 1.1328125) internal successors, (145), 131 states have internal predecessors, (145), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-02 14:01:39,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 165 transitions. [2023-12-02 14:01:39,285 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 165 transitions. Word has length 46 [2023-12-02 14:01:39,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:01:39,286 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 165 transitions. [2023-12-02 14:01:39,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 10.222222222222221) internal successors, (92), 10 states have internal predecessors, (92), 5 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2023-12-02 14:01:39,286 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 165 transitions. [2023-12-02 14:01:39,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-02 14:01:39,287 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:01:39,287 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:01:39,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c703ed-3f54-4276-a11f-e8c130208c53/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-02 14:01:39,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c703ed-3f54-4276-a11f-e8c130208c53/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-12-02 14:01:39,493 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2023-12-02 14:01:39,493 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:01:39,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1783474672, now seen corresponding path program 1 times [2023-12-02 14:01:39,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:01:39,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868721050] [2023-12-02 14:01:39,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:01:39,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:01:39,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:01:39,582 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 14:01:39,582 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:01:39,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868721050] [2023-12-02 14:01:39,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868721050] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 14:01:39,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [433455151] [2023-12-02 14:01:39,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:01:39,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:01:39,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c703ed-3f54-4276-a11f-e8c130208c53/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:01:39,583 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c703ed-3f54-4276-a11f-e8c130208c53/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:01:39,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c703ed-3f54-4276-a11f-e8c130208c53/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 14:01:39,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:01:39,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 14:01:39,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:01:39,683 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 14:01:39,683 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:01:39,729 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 14:01:39,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [433455151] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 14:01:39,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [102879360] [2023-12-02 14:01:39,733 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2023-12-02 14:01:39,733 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 14:01:39,734 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 14:01:39,734 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 14:01:39,734 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 14:01:42,659 INFO L197 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 12 for LOIs [2023-12-02 14:01:42,661 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 14:01:44,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [102879360] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:01:44,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-12-02 14:01:44,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [5, 5, 5] total 34 [2023-12-02 14:01:44,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219643018] [2023-12-02 14:01:44,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:01:44,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 14:01:44,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:01:44,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 14:01:44,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=971, Unknown=6, NotChecked=0, Total=1190 [2023-12-02 14:01:44,823 INFO L87 Difference]: Start difference. First operand 143 states and 165 transitions. Second operand has 25 states, 20 states have (on average 1.7) internal successors, (34), 20 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-12-02 14:01:52,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:01:52,025 INFO L93 Difference]: Finished difference Result 380 states and 440 transitions. [2023-12-02 14:01:52,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-12-02 14:01:52,026 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 20 states have (on average 1.7) internal successors, (34), 20 states have internal predecessors, (34), 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 46 [2023-12-02 14:01:52,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:01:52,028 INFO L225 Difference]: With dead ends: 380 [2023-12-02 14:01:52,028 INFO L226 Difference]: Without dead ends: 370 [2023-12-02 14:01:52,029 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 100 SyntacticMatches, 8 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1220 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=650, Invalid=2996, Unknown=14, NotChecked=0, Total=3660 [2023-12-02 14:01:52,030 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 169 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 1106 mSolverCounterSat, 70 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 1184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 1106 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-02 14:01:52,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 84 Invalid, 1184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 1106 Invalid, 8 Unknown, 0 Unchecked, 2.2s Time] [2023-12-02 14:01:52,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2023-12-02 14:01:52,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 214. [2023-12-02 14:01:52,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 191 states have (on average 1.1204188481675392) internal successors, (214), 193 states have internal predecessors, (214), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-02 14:01:52,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 252 transitions. [2023-12-02 14:01:52,064 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 252 transitions. Word has length 46 [2023-12-02 14:01:52,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:01:52,065 INFO L495 AbstractCegarLoop]: Abstraction has 214 states and 252 transitions. [2023-12-02 14:01:52,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 20 states have (on average 1.7) internal successors, (34), 20 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-12-02 14:01:52,065 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 252 transitions. [2023-12-02 14:01:52,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-12-02 14:01:52,067 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:01:52,068 INFO L195 NwaCegarLoop]: trace histogram [9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:01:52,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c703ed-3f54-4276-a11f-e8c130208c53/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-02 14:01:52,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c703ed-3f54-4276-a11f-e8c130208c53/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-12-02 14:01:52,269 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2023-12-02 14:01:52,270 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:01:52,270 INFO L85 PathProgramCache]: Analyzing trace with hash 1419271281, now seen corresponding path program 1 times [2023-12-02 14:01:52,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:01:52,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121175345] [2023-12-02 14:01:52,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:01:52,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:01:52,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:01:52,380 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2023-12-02 14:01:52,380 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:01:52,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121175345] [2023-12-02 14:01:52,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121175345] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:01:52,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:01:52,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 14:01:52,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428216784] [2023-12-02 14:01:52,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:01:52,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 14:01:52,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:01:52,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 14:01:52,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 14:01:52,382 INFO L87 Difference]: Start difference. First operand 214 states and 252 transitions. Second operand has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-02 14:01:52,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:01:52,464 INFO L93 Difference]: Finished difference Result 214 states and 252 transitions. [2023-12-02 14:01:52,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 14:01:52,464 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 102 [2023-12-02 14:01:52,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:01:52,466 INFO L225 Difference]: With dead ends: 214 [2023-12-02 14:01:52,467 INFO L226 Difference]: Without dead ends: 213 [2023-12-02 14:01:52,467 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 [2023-12-02 14:01:52,468 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 23 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 14:01:52,468 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 49 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 14:01:52,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2023-12-02 14:01:52,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 134. [2023-12-02 14:01:52,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 121 states have (on average 1.0991735537190082) internal successors, (133), 122 states have internal predecessors, (133), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-02 14:01:52,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 153 transitions. [2023-12-02 14:01:52,492 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 153 transitions. Word has length 102 [2023-12-02 14:01:52,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:01:52,493 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 153 transitions. [2023-12-02 14:01:52,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-02 14:01:52,493 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 153 transitions. [2023-12-02 14:01:52,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-02 14:01:52,495 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:01:52,495 INFO L195 NwaCegarLoop]: trace histogram [10, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1] [2023-12-02 14:01:52,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-02 14:01:52,495 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2023-12-02 14:01:52,496 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:01:52,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1616120339, now seen corresponding path program 2 times [2023-12-02 14:01:52,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:01:52,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790732331] [2023-12-02 14:01:52,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:01:52,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:01:52,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:01:52,877 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2023-12-02 14:01:52,877 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:01:52,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790732331] [2023-12-02 14:01:52,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790732331] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 14:01:52,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [34695964] [2023-12-02 14:01:52,878 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 14:01:52,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:01:52,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c703ed-3f54-4276-a11f-e8c130208c53/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:01:52,880 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c703ed-3f54-4276-a11f-e8c130208c53/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:01:52,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c703ed-3f54-4276-a11f-e8c130208c53/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-02 14:01:52,947 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2023-12-02 14:01:52,947 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 14:01:52,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 14:01:52,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:01:53,341 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-12-02 14:01:53,341 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:01:53,542 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-12-02 14:01:53,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [34695964] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 14:01:53,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1717097695] [2023-12-02 14:01:53,545 INFO L159 IcfgInterpreter]: Started Sifa with 33 locations of interest [2023-12-02 14:01:53,546 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 14:01:53,546 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 14:01:53,546 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 14:01:53,546 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 14:01:56,468 INFO L197 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 1 for LOIs [2023-12-02 14:01:56,469 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 14:01:59,035 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4942#(and (<= 715827883 |ULTIMATE.start_main_~i~0#1|) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= ~MAX~0 100000) (= |ULTIMATE.start_main_~DEFAULTVAL~0#1| 0) (<= 2 ~SIZE~0) (<= |ULTIMATE.start_main_~value~0#1| 2147483647) (= 10 |ULTIMATE.start_main_~FIXEDVAL~0#1|) (<= ~SIZE~0 99999) (not (= 0 |ULTIMATE.start_main_~value~0#1|)) (<= 0 (+ 2147483648 |ULTIMATE.start_main_~value~0#1|)))' at error location [2023-12-02 14:01:59,035 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 14:01:59,035 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 14:01:59,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 3] total 10 [2023-12-02 14:01:59,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909207709] [2023-12-02 14:01:59,036 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 14:01:59,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-02 14:01:59,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:01:59,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-02 14:01:59,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=233, Invalid=691, Unknown=6, NotChecked=0, Total=930 [2023-12-02 14:01:59,038 INFO L87 Difference]: Start difference. First operand 134 states and 153 transitions. Second operand has 11 states, 10 states have (on average 9.7) internal successors, (97), 11 states have internal predecessors, (97), 5 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2023-12-02 14:01:59,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:01:59,172 INFO L93 Difference]: Finished difference Result 134 states and 153 transitions. [2023-12-02 14:01:59,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 14:01:59,173 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 9.7) internal successors, (97), 11 states have internal predecessors, (97), 5 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 112 [2023-12-02 14:01:59,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:01:59,173 INFO L225 Difference]: With dead ends: 134 [2023-12-02 14:01:59,173 INFO L226 Difference]: Without dead ends: 0 [2023-12-02 14:01:59,175 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 301 SyntacticMatches, 11 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 522 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=308, Invalid=876, Unknown=6, NotChecked=0, Total=1190 [2023-12-02 14:01:59,175 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 191 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 14:01:59,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 17 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 14:01:59,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-02 14:01:59,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-02 14:01:59,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 14:01:59,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-02 14:01:59,176 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 112 [2023-12-02 14:01:59,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:01:59,176 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-02 14:01:59,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 9.7) internal successors, (97), 11 states have internal predecessors, (97), 5 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2023-12-02 14:01:59,177 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-02 14:01:59,177 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 14:01:59,179 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 30 remaining) [2023-12-02 14:01:59,179 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 30 remaining) [2023-12-02 14:01:59,179 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 30 remaining) [2023-12-02 14:01:59,179 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 30 remaining) [2023-12-02 14:01:59,179 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 30 remaining) [2023-12-02 14:01:59,179 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 30 remaining) [2023-12-02 14:01:59,180 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 30 remaining) [2023-12-02 14:01:59,180 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 30 remaining) [2023-12-02 14:01:59,180 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 30 remaining) [2023-12-02 14:01:59,180 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 30 remaining) [2023-12-02 14:01:59,180 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 30 remaining) [2023-12-02 14:01:59,180 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 30 remaining) [2023-12-02 14:01:59,180 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 30 remaining) [2023-12-02 14:01:59,180 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 30 remaining) [2023-12-02 14:01:59,180 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 30 remaining) [2023-12-02 14:01:59,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 30 remaining) [2023-12-02 14:01:59,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 30 remaining) [2023-12-02 14:01:59,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 30 remaining) [2023-12-02 14:01:59,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 30 remaining) [2023-12-02 14:01:59,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 30 remaining) [2023-12-02 14:01:59,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 30 remaining) [2023-12-02 14:01:59,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 30 remaining) [2023-12-02 14:01:59,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 30 remaining) [2023-12-02 14:01:59,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 30 remaining) [2023-12-02 14:01:59,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 30 remaining) [2023-12-02 14:01:59,182 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 30 remaining) [2023-12-02 14:01:59,182 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 30 remaining) [2023-12-02 14:01:59,182 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 30 remaining) [2023-12-02 14:01:59,182 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 30 remaining) [2023-12-02 14:01:59,182 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 30 remaining) [2023-12-02 14:01:59,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c703ed-3f54-4276-a11f-e8c130208c53/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-12-02 14:01:59,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c703ed-3f54-4276-a11f-e8c130208c53/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-12-02 14:01:59,384 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-02 14:02:01,922 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 12 16) the Hoare annotation is: true [2023-12-02 14:02:01,922 INFO L899 garLoopResultBuilder]: For program point ReadFromPortEXIT(lines 12 16) no Hoare annotation was computed. [2023-12-02 14:02:01,923 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2023-12-02 14:02:01,923 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 65) no Hoare annotation was computed. [2023-12-02 14:02:01,923 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2023-12-02 14:02:01,923 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 22 75) no Hoare annotation was computed. [2023-12-02 14:02:01,923 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2023-12-02 14:02:01,923 INFO L899 garLoopResultBuilder]: For program point L36-1(line 36) no Hoare annotation was computed. [2023-12-02 14:02:01,923 INFO L899 garLoopResultBuilder]: For program point L36-2(lines 36 67) no Hoare annotation was computed. [2023-12-02 14:02:01,923 INFO L899 garLoopResultBuilder]: For program point L69-3(line 69) no Hoare annotation was computed. [2023-12-02 14:02:01,923 INFO L899 garLoopResultBuilder]: For program point L69-4(line 69) no Hoare annotation was computed. [2023-12-02 14:02:01,923 INFO L899 garLoopResultBuilder]: For program point L36-4(lines 36 67) no Hoare annotation was computed. [2023-12-02 14:02:01,924 INFO L895 garLoopResultBuilder]: At program point L69-5(lines 69 72) the Hoare annotation is: (let ((.cse21 (select |#memory_int| 1)) (.cse22 (select |#memory_int| 2))) (let ((.cse0 (exists ((|v_#valid_7| (Array Int Int))) (and (= (select |v_#valid_7| |ULTIMATE.start_main_~a~0#1.base|) 0) (= (select |v_#valid_7| 2) 1) (= (store |v_#valid_7| |ULTIMATE.start_main_~a~0#1.base| 1) |#valid|) (= (select |v_#valid_7| 3) 1) (= (select |v_#valid_7| 1) 1) (= (select |v_#valid_7| 0) 0)))) (.cse1 (<= 1 |#StackHeapBarrier|)) (.cse2 (= |ULTIMATE.start_main_~a~0#1.offset| 0)) (.cse3 (= 114 (select .cse22 2))) (.cse4 (= (select .cse22 5) 99)) (.cse5 (= ~MAX~0 100000)) (.cse6 (= |ULTIMATE.start_main_~DEFAULTVAL~0#1| 0)) (.cse7 (<= 2 ~SIZE~0)) (.cse8 (= 51 (select .cse22 3))) (.cse9 (not (= |ULTIMATE.start_main_~a~0#1.base| 0))) (.cse10 (= 10 |ULTIMATE.start_main_~FIXEDVAL~0#1|)) (.cse11 (= (select .cse22 4) 46)) (.cse12 (exists ((|v_#length_7| (Array Int Int))) (and (= |#length| (store |v_#length_7| |ULTIMATE.start_main_~a~0#1.base| (* 4 (mod ~SIZE~0 1073741824)))) (= 2 (select |v_#length_7| 1)) (= (select |v_#length_7| 2) 7) (= (select |v_#length_7| 3) 12)))) (.cse13 (= (select .cse22 6) 0)) (.cse14 (= 112 (select .cse22 0))) (.cse15 (<= ~SIZE~0 99999)) (.cse16 (= (select .cse21 0) 48)) (.cse17 (= 110 (select .cse22 1))) (.cse18 (= (select .cse21 1) 0)) (.cse19 (= ~SIZE~0 (* (div ~SIZE~0 3) 3))) (.cse20 (<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|))) (or (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_main_~i~0#1| 0) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20) (and .cse0 .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20)))) [2023-12-02 14:02:01,924 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2023-12-02 14:02:01,924 INFO L899 garLoopResultBuilder]: For program point L36-5(line 36) no Hoare annotation was computed. [2023-12-02 14:02:01,924 INFO L899 garLoopResultBuilder]: For program point L36-6(line 36) no Hoare annotation was computed. [2023-12-02 14:02:01,924 INFO L899 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2023-12-02 14:02:01,924 INFO L895 garLoopResultBuilder]: At program point L36-7(lines 36 67) the Hoare annotation is: (let ((.cse21 (select |#memory_int| 1)) (.cse22 (select |#memory_int| 2))) (let ((.cse0 (exists ((|v_#valid_7| (Array Int Int))) (and (= (select |v_#valid_7| |ULTIMATE.start_main_~a~0#1.base|) 0) (= (select |v_#valid_7| 2) 1) (= (store |v_#valid_7| |ULTIMATE.start_main_~a~0#1.base| 1) |#valid|) (= (select |v_#valid_7| 3) 1) (= (select |v_#valid_7| 1) 1) (= (select |v_#valid_7| 0) 0)))) (.cse1 (<= 1 |#StackHeapBarrier|)) (.cse2 (= |ULTIMATE.start_main_~a~0#1.offset| 0)) (.cse3 (= 114 (select .cse22 2))) (.cse4 (= (select .cse22 5) 99)) (.cse5 (= ~MAX~0 100000)) (.cse6 (= |ULTIMATE.start_main_~DEFAULTVAL~0#1| 0)) (.cse7 (<= 2 ~SIZE~0)) (.cse8 (= 51 (select .cse22 3))) (.cse9 (not (= |ULTIMATE.start_main_~a~0#1.base| 0))) (.cse10 (= 10 |ULTIMATE.start_main_~FIXEDVAL~0#1|)) (.cse11 (= (select .cse22 4) 46)) (.cse12 (exists ((|v_#length_7| (Array Int Int))) (and (= |#length| (store |v_#length_7| |ULTIMATE.start_main_~a~0#1.base| (* 4 (mod ~SIZE~0 1073741824)))) (= 2 (select |v_#length_7| 1)) (= (select |v_#length_7| 2) 7) (= (select |v_#length_7| 3) 12)))) (.cse13 (= (select .cse22 6) 0)) (.cse14 (= 112 (select .cse22 0))) (.cse15 (<= ~SIZE~0 99999)) (.cse16 (= (select .cse21 0) 48)) (.cse17 (= 110 (select .cse22 1))) (.cse18 (= (select .cse21 1) 0)) (.cse19 (= ~SIZE~0 (* (div ~SIZE~0 3) 3))) (.cse20 (<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= |ULTIMATE.start_main_~i~0#1| 1) .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 (<= 2 |ULTIMATE.start_main_~i~0#1|) .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20)))) [2023-12-02 14:02:01,924 INFO L899 garLoopResultBuilder]: For program point L61-1(line 61) no Hoare annotation was computed. [2023-12-02 14:02:01,925 INFO L899 garLoopResultBuilder]: For program point L36-8(lines 36 67) no Hoare annotation was computed. [2023-12-02 14:02:01,925 INFO L899 garLoopResultBuilder]: For program point L61-2(line 61) no Hoare annotation was computed. [2023-12-02 14:02:01,925 INFO L899 garLoopResultBuilder]: For program point L61-3(line 61) no Hoare annotation was computed. [2023-12-02 14:02:01,925 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2023-12-02 14:02:01,925 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW(line 65) no Hoare annotation was computed. [2023-12-02 14:02:01,925 INFO L899 garLoopResultBuilder]: For program point L45(line 45) no Hoare annotation was computed. [2023-12-02 14:02:01,925 INFO L899 garLoopResultBuilder]: For program point L45-1(line 45) no Hoare annotation was computed. [2023-12-02 14:02:01,925 INFO L899 garLoopResultBuilder]: For program point L45-2(line 45) no Hoare annotation was computed. [2023-12-02 14:02:01,925 INFO L899 garLoopResultBuilder]: For program point L45-3(line 45) no Hoare annotation was computed. [2023-12-02 14:02:01,925 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2023-12-02 14:02:01,925 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2023-12-02 14:02:01,926 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2023-12-02 14:02:01,926 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW(line 65) no Hoare annotation was computed. [2023-12-02 14:02:01,926 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2023-12-02 14:02:01,926 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-02 14:02:01,926 INFO L895 garLoopResultBuilder]: At program point L38(line 38) the Hoare annotation is: (let ((.cse21 (select |#memory_int| 1)) (.cse22 (select |#memory_int| 2))) (let ((.cse0 (exists ((|v_#valid_7| (Array Int Int))) (and (= (select |v_#valid_7| |ULTIMATE.start_main_~a~0#1.base|) 0) (= (select |v_#valid_7| 2) 1) (= (store |v_#valid_7| |ULTIMATE.start_main_~a~0#1.base| 1) |#valid|) (= (select |v_#valid_7| 3) 1) (= (select |v_#valid_7| 1) 1) (= (select |v_#valid_7| 0) 0)))) (.cse1 (<= 1 |#StackHeapBarrier|)) (.cse2 (= |ULTIMATE.start_main_~a~0#1.offset| 0)) (.cse3 (= 114 (select .cse22 2))) (.cse4 (= (select .cse22 5) 99)) (.cse5 (= ~MAX~0 100000)) (.cse6 (= |ULTIMATE.start_main_~DEFAULTVAL~0#1| 0)) (.cse7 (<= 2 ~SIZE~0)) (.cse8 (= 51 (select .cse22 3))) (.cse9 (not (= |ULTIMATE.start_main_~a~0#1.base| 0))) (.cse10 (= 10 |ULTIMATE.start_main_~FIXEDVAL~0#1|)) (.cse11 (= (select .cse22 4) 46)) (.cse12 (exists ((|v_#length_7| (Array Int Int))) (and (= |#length| (store |v_#length_7| |ULTIMATE.start_main_~a~0#1.base| (* 4 (mod ~SIZE~0 1073741824)))) (= 2 (select |v_#length_7| 1)) (= (select |v_#length_7| 2) 7) (= (select |v_#length_7| 3) 12)))) (.cse13 (= (select .cse22 6) 0)) (.cse14 (= 112 (select .cse22 0))) (.cse15 (<= ~SIZE~0 99999)) (.cse16 (= (select .cse21 0) 48)) (.cse17 (= 110 (select .cse22 1))) (.cse18 (= (select .cse21 1) 0)) (.cse19 (= ~SIZE~0 (* (div ~SIZE~0 3) 3))) (.cse20 (<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= |ULTIMATE.start_main_~i~0#1| 33333) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 (<= 2 |ULTIMATE.start_main_~i~0#1|) .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= |ULTIMATE.start_main_~i~0#1| 1) .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20)))) [2023-12-02 14:02:01,926 INFO L899 garLoopResultBuilder]: For program point L38-1(line 38) no Hoare annotation was computed. [2023-12-02 14:02:01,926 INFO L899 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2023-12-02 14:02:01,926 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 61) no Hoare annotation was computed. [2023-12-02 14:02:01,926 INFO L899 garLoopResultBuilder]: For program point L55-1(line 55) no Hoare annotation was computed. [2023-12-02 14:02:01,927 INFO L899 garLoopResultBuilder]: For program point L55-2(line 55) no Hoare annotation was computed. [2023-12-02 14:02:01,927 INFO L899 garLoopResultBuilder]: For program point L55-3(line 55) no Hoare annotation was computed. [2023-12-02 14:02:01,927 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2023-12-02 14:02:01,927 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-12-02 14:02:01,927 INFO L899 garLoopResultBuilder]: For program point L39(lines 39 46) no Hoare annotation was computed. [2023-12-02 14:02:01,927 INFO L895 garLoopResultBuilder]: At program point L39-2(lines 39 46) the Hoare annotation is: (let ((.cse21 (select |#memory_int| 1)) (.cse22 (select |#memory_int| 2))) (let ((.cse0 (exists ((|v_#valid_7| (Array Int Int))) (and (= (select |v_#valid_7| |ULTIMATE.start_main_~a~0#1.base|) 0) (= (select |v_#valid_7| 2) 1) (= (store |v_#valid_7| |ULTIMATE.start_main_~a~0#1.base| 1) |#valid|) (= (select |v_#valid_7| 3) 1) (= (select |v_#valid_7| 1) 1) (= (select |v_#valid_7| 0) 0)))) (.cse1 (<= 1 |#StackHeapBarrier|)) (.cse2 (= |ULTIMATE.start_main_~a~0#1.offset| 0)) (.cse3 (= 114 (select .cse22 2))) (.cse4 (= (select .cse22 5) 99)) (.cse5 (= ~MAX~0 100000)) (.cse6 (= |ULTIMATE.start_main_~DEFAULTVAL~0#1| 0)) (.cse7 (<= 2 ~SIZE~0)) (.cse8 (= 51 (select .cse22 3))) (.cse9 (not (= |ULTIMATE.start_main_~a~0#1.base| 0))) (.cse10 (= 10 |ULTIMATE.start_main_~FIXEDVAL~0#1|)) (.cse11 (= (select .cse22 4) 46)) (.cse12 (exists ((|v_#length_7| (Array Int Int))) (and (= |#length| (store |v_#length_7| |ULTIMATE.start_main_~a~0#1.base| (* 4 (mod ~SIZE~0 1073741824)))) (= 2 (select |v_#length_7| 1)) (= (select |v_#length_7| 2) 7) (= (select |v_#length_7| 3) 12)))) (.cse13 (= (select .cse22 6) 0)) (.cse14 (= 112 (select .cse22 0))) (.cse15 (<= ~SIZE~0 99999)) (.cse16 (= (select .cse21 0) 48)) (.cse17 (= 110 (select .cse22 1))) (.cse18 (= (select .cse21 1) 0)) (.cse19 (= ~SIZE~0 (* (div ~SIZE~0 3) 3))) (.cse20 (<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= |ULTIMATE.start_main_~i~0#1| 33333) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 (<= 2 |ULTIMATE.start_main_~i~0#1|) .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= |ULTIMATE.start_main_~i~0#1| 1) .cse9 (<= |ULTIMATE.start_main_~value~0#1| 2147483647) .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 (<= 0 (+ 2147483648 |ULTIMATE.start_main_~value~0#1|)) .cse16 .cse17 .cse18 .cse19 .cse20)))) [2023-12-02 14:02:01,927 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 61) no Hoare annotation was computed. [2023-12-02 14:02:01,927 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2023-12-02 14:02:01,928 INFO L899 garLoopResultBuilder]: For program point L48(line 48) no Hoare annotation was computed. [2023-12-02 14:02:01,928 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-12-02 14:02:01,928 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2023-12-02 14:02:01,928 INFO L899 garLoopResultBuilder]: For program point L65-1(line 65) no Hoare annotation was computed. [2023-12-02 14:02:01,928 INFO L899 garLoopResultBuilder]: For program point L65-2(line 65) no Hoare annotation was computed. [2023-12-02 14:02:01,928 INFO L899 garLoopResultBuilder]: For program point L65-3(line 65) no Hoare annotation was computed. [2023-12-02 14:02:01,928 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2023-12-02 14:02:01,928 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW(line 69) no Hoare annotation was computed. [2023-12-02 14:02:01,928 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 61) no Hoare annotation was computed. [2023-12-02 14:02:01,928 INFO L899 garLoopResultBuilder]: For program point L49(lines 49 56) no Hoare annotation was computed. [2023-12-02 14:02:01,928 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-12-02 14:02:01,929 INFO L895 garLoopResultBuilder]: At program point L49-2(lines 49 56) the Hoare annotation is: (let ((.cse21 (select |#memory_int| 1)) (.cse22 (select |#memory_int| 2))) (let ((.cse0 (exists ((|v_#valid_7| (Array Int Int))) (and (= (select |v_#valid_7| |ULTIMATE.start_main_~a~0#1.base|) 0) (= (select |v_#valid_7| 2) 1) (= (store |v_#valid_7| |ULTIMATE.start_main_~a~0#1.base| 1) |#valid|) (= (select |v_#valid_7| 3) 1) (= (select |v_#valid_7| 1) 1) (= (select |v_#valid_7| 0) 0)))) (.cse1 (<= 1 |#StackHeapBarrier|)) (.cse2 (= |ULTIMATE.start_main_~a~0#1.offset| 0)) (.cse3 (= 114 (select .cse22 2))) (.cse4 (= (select .cse22 5) 99)) (.cse5 (= ~MAX~0 100000)) (.cse6 (= |ULTIMATE.start_main_~DEFAULTVAL~0#1| 0)) (.cse7 (<= 2 ~SIZE~0)) (.cse8 (= 51 (select .cse22 3))) (.cse9 (not (= |ULTIMATE.start_main_~a~0#1.base| 0))) (.cse10 (= 10 |ULTIMATE.start_main_~FIXEDVAL~0#1|)) (.cse11 (= (select .cse22 4) 46)) (.cse12 (exists ((|v_#length_7| (Array Int Int))) (and (= |#length| (store |v_#length_7| |ULTIMATE.start_main_~a~0#1.base| (* 4 (mod ~SIZE~0 1073741824)))) (= 2 (select |v_#length_7| 1)) (= (select |v_#length_7| 2) 7) (= (select |v_#length_7| 3) 12)))) (.cse13 (= (select .cse22 6) 0)) (.cse14 (= 112 (select .cse22 0))) (.cse15 (<= ~SIZE~0 99999)) (.cse16 (= (select .cse21 0) 48)) (.cse17 (= 110 (select .cse22 1))) (.cse18 (= (select .cse21 1) 0)) (.cse19 (= ~SIZE~0 (* (div ~SIZE~0 3) 3))) (.cse20 (<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= |ULTIMATE.start_main_~i~0#1| 33333) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 (<= 2 |ULTIMATE.start_main_~i~0#1|) .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= |ULTIMATE.start_main_~i~0#1| 1) .cse9 (<= |ULTIMATE.start_main_~value~0#1| 2147483647) .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 (<= 0 (+ 2147483648 |ULTIMATE.start_main_~value~0#1|)) .cse16 .cse17 .cse18 .cse19 .cse20)))) [2023-12-02 14:02:01,929 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2023-12-02 14:02:01,929 INFO L899 garLoopResultBuilder]: For program point L41-1(line 41) no Hoare annotation was computed. [2023-12-02 14:02:01,929 INFO L899 garLoopResultBuilder]: For program point L41-2(line 41) no Hoare annotation was computed. [2023-12-02 14:02:01,929 INFO L899 garLoopResultBuilder]: For program point L41-3(line 41) no Hoare annotation was computed. [2023-12-02 14:02:01,929 INFO L899 garLoopResultBuilder]: For program point L33(line 33) no Hoare annotation was computed. [2023-12-02 14:02:01,929 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-02 14:02:01,929 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2023-12-02 14:02:01,929 INFO L899 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2023-12-02 14:02:01,930 INFO L899 garLoopResultBuilder]: For program point L25(lines 25 73) no Hoare annotation was computed. [2023-12-02 14:02:01,930 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW(line 69) no Hoare annotation was computed. [2023-12-02 14:02:01,930 INFO L899 garLoopResultBuilder]: For program point L25-2(lines 25 73) no Hoare annotation was computed. [2023-12-02 14:02:01,930 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 61) no Hoare annotation was computed. [2023-12-02 14:02:01,930 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-12-02 14:02:01,930 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 65) no Hoare annotation was computed. [2023-12-02 14:02:01,930 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2023-12-02 14:02:01,930 INFO L899 garLoopResultBuilder]: For program point L59(lines 59 66) no Hoare annotation was computed. [2023-12-02 14:02:01,930 INFO L899 garLoopResultBuilder]: For program point L51(line 51) no Hoare annotation was computed. [2023-12-02 14:02:01,930 INFO L899 garLoopResultBuilder]: For program point L51-1(line 51) no Hoare annotation was computed. [2023-12-02 14:02:01,931 INFO L899 garLoopResultBuilder]: For program point L51-2(line 51) no Hoare annotation was computed. [2023-12-02 14:02:01,931 INFO L899 garLoopResultBuilder]: For program point L51-3(line 51) no Hoare annotation was computed. [2023-12-02 14:02:01,931 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2023-12-02 14:02:01,931 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2023-12-02 14:02:01,933 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:02:01,935 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 14:02:01,945 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_#valid_7 : [int]int :: ((((v_#valid_7[~a~0!base] == 0 && v_#valid_7[2] == 1) && v_#valid_7[~a~0!base := 1] == #valid) && v_#valid_7[3] == 1) && v_#valid_7[1] == 1) && v_#valid_7[0] == 0) could not be translated [2023-12-02 14:02:01,948 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][2] could not be translated [2023-12-02 14:02:01,948 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][5] could not be translated [2023-12-02 14:02:01,949 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][3] could not be translated [2023-12-02 14:02:01,949 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][4] could not be translated [2023-12-02 14:02:01,949 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_#length_7 : [int]int :: ((#length == v_#length_7[~a~0!base := 4 * (~SIZE~0 % 1073741824)] && 2 == v_#length_7[1]) && v_#length_7[2] == 7) && v_#length_7[3] == 12) could not be translated [2023-12-02 14:02:01,949 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][6] could not be translated [2023-12-02 14:02:01,949 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][0] could not be translated [2023-12-02 14:02:01,950 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated [2023-12-02 14:02:01,950 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][1] could not be translated [2023-12-02 14:02:01,950 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated [2023-12-02 14:02:01,950 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_#valid_7 : [int]int :: ((((v_#valid_7[~a~0!base] == 0 && v_#valid_7[2] == 1) && v_#valid_7[~a~0!base := 1] == #valid) && v_#valid_7[3] == 1) && v_#valid_7[1] == 1) && v_#valid_7[0] == 0) could not be translated [2023-12-02 14:02:01,950 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][2] could not be translated [2023-12-02 14:02:01,950 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][5] could not be translated [2023-12-02 14:02:01,951 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][3] could not be translated [2023-12-02 14:02:01,951 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][4] could not be translated [2023-12-02 14:02:01,951 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_#length_7 : [int]int :: ((#length == v_#length_7[~a~0!base := 4 * (~SIZE~0 % 1073741824)] && 2 == v_#length_7[1]) && v_#length_7[2] == 7) && v_#length_7[3] == 12) could not be translated [2023-12-02 14:02:01,951 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][6] could not be translated [2023-12-02 14:02:01,951 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][0] could not be translated [2023-12-02 14:02:01,951 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated [2023-12-02 14:02:01,951 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][1] could not be translated [2023-12-02 14:02:01,952 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated [2023-12-02 14:02:01,953 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_#valid_7 : [int]int :: ((((v_#valid_7[~a~0!base] == 0 && v_#valid_7[2] == 1) && v_#valid_7[~a~0!base := 1] == #valid) && v_#valid_7[3] == 1) && v_#valid_7[1] == 1) && v_#valid_7[0] == 0) could not be translated [2023-12-02 14:02:01,953 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][2] could not be translated [2023-12-02 14:02:01,953 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][5] could not be translated [2023-12-02 14:02:01,954 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][3] could not be translated [2023-12-02 14:02:01,954 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][4] could not be translated [2023-12-02 14:02:01,954 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_#length_7 : [int]int :: ((#length == v_#length_7[~a~0!base := 4 * (~SIZE~0 % 1073741824)] && 2 == v_#length_7[1]) && v_#length_7[2] == 7) && v_#length_7[3] == 12) could not be translated [2023-12-02 14:02:01,954 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][6] could not be translated [2023-12-02 14:02:01,954 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][0] could not be translated [2023-12-02 14:02:01,954 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated [2023-12-02 14:02:01,954 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][1] could not be translated [2023-12-02 14:02:01,955 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated [2023-12-02 14:02:01,955 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_#valid_7 : [int]int :: ((((v_#valid_7[~a~0!base] == 0 && v_#valid_7[2] == 1) && v_#valid_7[~a~0!base := 1] == #valid) && v_#valid_7[3] == 1) && v_#valid_7[1] == 1) && v_#valid_7[0] == 0) could not be translated [2023-12-02 14:02:01,955 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][2] could not be translated [2023-12-02 14:02:01,955 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][5] could not be translated [2023-12-02 14:02:01,955 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][3] could not be translated [2023-12-02 14:02:01,956 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][4] could not be translated [2023-12-02 14:02:01,956 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_#length_7 : [int]int :: ((#length == v_#length_7[~a~0!base := 4 * (~SIZE~0 % 1073741824)] && 2 == v_#length_7[1]) && v_#length_7[2] == 7) && v_#length_7[3] == 12) could not be translated [2023-12-02 14:02:01,956 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][6] could not be translated [2023-12-02 14:02:01,956 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][0] could not be translated [2023-12-02 14:02:01,956 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated [2023-12-02 14:02:01,956 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][1] could not be translated [2023-12-02 14:02:01,956 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated [2023-12-02 14:02:01,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:02:01 BoogieIcfgContainer [2023-12-02 14:02:01,957 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 14:02:01,957 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 14:02:01,957 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 14:02:01,958 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 14:02:01,958 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:01:29" (3/4) ... [2023-12-02 14:02:01,959 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 14:02:01,962 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ReadFromPort [2023-12-02 14:02:01,966 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2023-12-02 14:02:01,966 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-12-02 14:02:01,967 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-02 14:02:01,967 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 14:02:01,967 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 14:02:02,052 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c703ed-3f54-4276-a11f-e8c130208c53/bin/utaipan-verify-nQ1chXbOIh/witness.graphml [2023-12-02 14:02:02,053 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c703ed-3f54-4276-a11f-e8c130208c53/bin/utaipan-verify-nQ1chXbOIh/witness.yml [2023-12-02 14:02:02,053 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 14:02:02,053 INFO L158 Benchmark]: Toolchain (without parser) took 33682.32ms. Allocated memory was 148.9MB in the beginning and 461.4MB in the end (delta: 312.5MB). Free memory was 103.3MB in the beginning and 284.5MB in the end (delta: -181.1MB). Peak memory consumption was 132.9MB. Max. memory is 16.1GB. [2023-12-02 14:02:02,054 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 100.7MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 14:02:02,054 INFO L158 Benchmark]: CACSL2BoogieTranslator took 214.74ms. Allocated memory is still 148.9MB. Free memory was 103.3MB in the beginning and 92.4MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 14:02:02,054 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.12ms. Allocated memory is still 148.9MB. Free memory was 92.4MB in the beginning and 90.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 14:02:02,055 INFO L158 Benchmark]: Boogie Preprocessor took 27.62ms. Allocated memory is still 148.9MB. Free memory was 90.3MB in the beginning and 88.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 14:02:02,055 INFO L158 Benchmark]: RCFGBuilder took 456.70ms. Allocated memory is still 148.9MB. Free memory was 88.7MB in the beginning and 70.3MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 14:02:02,055 INFO L158 Benchmark]: TraceAbstraction took 32839.28ms. Allocated memory was 148.9MB in the beginning and 461.4MB in the end (delta: 312.5MB). Free memory was 69.3MB in the beginning and 289.7MB in the end (delta: -220.4MB). Peak memory consumption was 233.5MB. Max. memory is 16.1GB. [2023-12-02 14:02:02,056 INFO L158 Benchmark]: Witness Printer took 95.42ms. Allocated memory is still 461.4MB. Free memory was 289.7MB in the beginning and 284.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 14:02:02,057 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 100.7MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 214.74ms. Allocated memory is still 148.9MB. Free memory was 103.3MB in the beginning and 92.4MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.12ms. Allocated memory is still 148.9MB. Free memory was 92.4MB in the beginning and 90.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.62ms. Allocated memory is still 148.9MB. Free memory was 90.3MB in the beginning and 88.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 456.70ms. Allocated memory is still 148.9MB. Free memory was 88.7MB in the beginning and 70.3MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 32839.28ms. Allocated memory was 148.9MB in the beginning and 461.4MB in the end (delta: 312.5MB). Free memory was 69.3MB in the beginning and 289.7MB in the end (delta: -220.4MB). Peak memory consumption was 233.5MB. Max. memory is 16.1GB. * Witness Printer took 95.42ms. Allocated memory is still 461.4MB. Free memory was 289.7MB in the beginning and 284.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_#valid_7 : [int]int :: ((((v_#valid_7[~a~0!base] == 0 && v_#valid_7[2] == 1) && v_#valid_7[~a~0!base := 1] == #valid) && v_#valid_7[3] == 1) && v_#valid_7[1] == 1) && v_#valid_7[0] == 0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][5] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_#length_7 : [int]int :: ((#length == v_#length_7[~a~0!base := 4 * (~SIZE~0 % 1073741824)] && 2 == v_#length_7[1]) && v_#length_7[2] == 7) && v_#length_7[3] == 12) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][6] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_#valid_7 : [int]int :: ((((v_#valid_7[~a~0!base] == 0 && v_#valid_7[2] == 1) && v_#valid_7[~a~0!base := 1] == #valid) && v_#valid_7[3] == 1) && v_#valid_7[1] == 1) && v_#valid_7[0] == 0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][5] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_#length_7 : [int]int :: ((#length == v_#length_7[~a~0!base := 4 * (~SIZE~0 % 1073741824)] && 2 == v_#length_7[1]) && v_#length_7[2] == 7) && v_#length_7[3] == 12) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][6] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_#valid_7 : [int]int :: ((((v_#valid_7[~a~0!base] == 0 && v_#valid_7[2] == 1) && v_#valid_7[~a~0!base := 1] == #valid) && v_#valid_7[3] == 1) && v_#valid_7[1] == 1) && v_#valid_7[0] == 0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][5] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_#length_7 : [int]int :: ((#length == v_#length_7[~a~0!base := 4 * (~SIZE~0 % 1073741824)] && 2 == v_#length_7[1]) && v_#length_7[2] == 7) && v_#length_7[3] == 12) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][6] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_#valid_7 : [int]int :: ((((v_#valid_7[~a~0!base] == 0 && v_#valid_7[2] == 1) && v_#valid_7[~a~0!base := 1] == #valid) && v_#valid_7[3] == 1) && v_#valid_7[1] == 1) && v_#valid_7[0] == 0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][5] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_#length_7 : [int]int :: ((#length == v_#length_7[~a~0!base := 4 * (~SIZE~0 % 1073741824)] && 2 == v_#length_7[1]) && v_#length_7[2] == 7) && v_#length_7[3] == 12) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][6] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: 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 - 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 - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 61]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 61]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 61]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 61]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 65]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 65]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 65]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 65]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 69]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 69]: 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, 81 locations, 30 error locations. Started 1 CEGAR loops. OverallTime: 32.8s, OverallIterations: 12, TraceHistogramMax: 10, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 8.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 8 mSolverCounterUnknown, 1174 SdHoareTripleChecker+Valid, 3.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1156 mSDsluCounter, 1085 SdHoareTripleChecker+Invalid, 2.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 562 mSDsCounter, 205 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2210 IncrementalHoareTripleChecker+Invalid, 2423 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 205 mSolverCounterUnsat, 523 mSDtfsCounter, 2210 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 782 GetRequests, 602 SyntacticMatches, 24 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2115 ImplicationChecksByTransitivity, 12.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=214occurred in iteration=10, InterpolantAutomatonStates: 84, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 248 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 15 PreInvPairs, 27 NumberOfFragments, 1671 HoareAnnotationTreeSize, 15 FomulaSimplifications, 1640 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 6 FomulaSimplificationsInter, 5296 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 767 NumberOfCodeBlocks, 668 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 951 ConstructedInterpolants, 0 QuantifiedInterpolants, 3438 SizeOfPredicates, 8 NumberOfNonLiveVariables, 707 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 20 InterpolantComputations, 9 PerfectInterpolantSequences, 780/894 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: 2.9s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 49, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 117, TOOLS_POST_TIME: 1.8s, TOOLS_POST_CALL_APPLICATIONS: 27, TOOLS_POST_CALL_TIME: 0.4s, TOOLS_POST_RETURN_APPLICATIONS: 24, TOOLS_POST_RETURN_TIME: 0.4s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 168, TOOLS_QUANTIFIERELIM_TIME: 2.6s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 202, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 20, DOMAIN_JOIN_TIME: 0.1s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 49, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME: 2.6s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 2.6s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 24, CALL_SUMMARIZER_CACHE_MISSES: 1, 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: 1060, DAG_COMPRESSION_RETAINED_NODES: 127, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 30 specifications checked. All of them hold - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: ((((((((i == 0) && (MAX == 100000)) && (DEFAULTVAL == 0)) && (2 <= SIZE)) && (10 == FIXEDVAL)) && (SIZE <= 99999)) && (SIZE == ((SIZE / 3) * 3))) || (((((((1 <= i) && (MAX == 100000)) && (DEFAULTVAL == 0)) && (2 <= SIZE)) && (10 == FIXEDVAL)) && (SIZE <= 99999)) && (SIZE == ((SIZE / 3) * 3)))) - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: ((((((((MAX == 100000) && (DEFAULTVAL == 0)) && (2 <= SIZE)) && (i == 1)) && (10 == FIXEDVAL)) && (SIZE <= 99999)) && (SIZE == ((SIZE / 3) * 3))) || (((((((MAX == 100000) && (DEFAULTVAL == 0)) && (2 <= SIZE)) && (10 == FIXEDVAL)) && (2 <= i)) && (SIZE <= 99999)) && (SIZE == ((SIZE / 3) * 3)))) RESULT: Ultimate proved your program to be correct! [2023-12-02 14:02:02,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c703ed-3f54-4276-a11f-e8c130208c53/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE