./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 e04fb08f 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_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-tiling/pnr3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0 --witnessprinter.witness.filename witness.graphml --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 20:21:35,151 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 20:21:35,153 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 20:21:35,173 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 20:21:35,173 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 20:21:35,174 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 20:21:35,182 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 20:21:35,185 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 20:21:35,188 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 20:21:35,198 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 20:21:35,200 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 20:21:35,202 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 20:21:35,203 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 20:21:35,205 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 20:21:35,206 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 20:21:35,210 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 20:21:35,213 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 20:21:35,214 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 20:21:35,215 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 20:21:35,219 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 20:21:35,224 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 20:21:35,225 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 20:21:35,226 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 20:21:35,227 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 20:21:35,230 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 20:21:35,230 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 20:21:35,230 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 20:21:35,231 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 20:21:35,232 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 20:21:35,233 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 20:21:35,233 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 20:21:35,234 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 20:21:35,234 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 20:21:35,235 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 20:21:35,236 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 20:21:35,236 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 20:21:35,237 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 20:21:35,237 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 20:21:35,237 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 20:21:35,238 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 20:21:35,239 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 20:21:35,240 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-16 20:21:35,261 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 20:21:35,262 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 20:21:35,262 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 20:21:35,262 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 20:21:35,263 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 20:21:35,263 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 20:21:35,263 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 20:21:35,264 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 20:21:35,264 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 20:21:35,264 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 20:21:35,264 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 20:21:35,264 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 20:21:35,265 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 20:21:35,265 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 20:21:35,265 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 20:21:35,265 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 20:21:35,266 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 20:21:35,266 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 20:21:35,266 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 20:21:35,267 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 20:21:35,267 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 20:21:35,267 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 20:21:35,267 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 20:21:35,268 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 20:21:35,268 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 20:21:35,268 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 20:21:35,268 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 20:21:35,268 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-16 20:21:35,269 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 20:21:35,269 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 20:21:35,269 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 20:21:35,269 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 20:21:35,270 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 20:21:35,270 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 20:21:35,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 20:21:35,270 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 20:21:35,271 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 20:21:35,271 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 20:21:35,271 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 20:21:35,271 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 20:21:35,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 20:21:35,272 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 20:21:35,272 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 20:21:35,272 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e32269e91be552d606173d0b8eafd4ffa81c0e735dd375e4417d1ccfc27eaf5e [2022-11-16 20:21:35,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 20:21:35,531 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 20:21:35,533 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 20:21:35,534 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 20:21:35,536 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 20:21:35,538 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/array-tiling/pnr3.c [2022-11-16 20:21:35,623 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/data/ca95d68c3/8885143353a44d0f8a4127b8c02df9e5/FLAG70dce8af3 [2022-11-16 20:21:36,064 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 20:21:36,065 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/sv-benchmarks/c/array-tiling/pnr3.c [2022-11-16 20:21:36,070 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/data/ca95d68c3/8885143353a44d0f8a4127b8c02df9e5/FLAG70dce8af3 [2022-11-16 20:21:36,091 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/data/ca95d68c3/8885143353a44d0f8a4127b8c02df9e5 [2022-11-16 20:21:36,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 20:21:36,095 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 20:21:36,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 20:21:36,097 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 20:21:36,100 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 20:21:36,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:21:36" (1/1) ... [2022-11-16 20:21:36,102 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c27ec12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:21:36, skipping insertion in model container [2022-11-16 20:21:36,103 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:21:36" (1/1) ... [2022-11-16 20:21:36,110 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 20:21:36,125 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 20:21:36,302 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/sv-benchmarks/c/array-tiling/pnr3.c[395,408] [2022-11-16 20:21:36,349 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 20:21:36,363 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 20:21:36,383 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/sv-benchmarks/c/array-tiling/pnr3.c[395,408] [2022-11-16 20:21:36,410 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 20:21:36,429 INFO L208 MainTranslator]: Completed translation [2022-11-16 20:21:36,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:21:36 WrapperNode [2022-11-16 20:21:36,431 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 20:21:36,433 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 20:21:36,433 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 20:21:36,433 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 20:21:36,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:21:36" (1/1) ... [2022-11-16 20:21:36,457 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:21:36" (1/1) ... [2022-11-16 20:21:36,494 INFO L138 Inliner]: procedures = 17, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 114 [2022-11-16 20:21:36,496 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 20:21:36,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 20:21:36,498 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 20:21:36,498 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 20:21:36,507 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:21:36" (1/1) ... [2022-11-16 20:21:36,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:21:36" (1/1) ... [2022-11-16 20:21:36,515 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:21:36" (1/1) ... [2022-11-16 20:21:36,516 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:21:36" (1/1) ... [2022-11-16 20:21:36,527 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:21:36" (1/1) ... [2022-11-16 20:21:36,541 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:21:36" (1/1) ... [2022-11-16 20:21:36,543 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:21:36" (1/1) ... [2022-11-16 20:21:36,544 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:21:36" (1/1) ... [2022-11-16 20:21:36,547 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 20:21:36,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 20:21:36,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 20:21:36,552 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 20:21:36,553 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:21:36" (1/1) ... [2022-11-16 20:21:36,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 20:21:36,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:21:36,593 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 20:21:36,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 20:21:36,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 20:21:36,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 20:21:36,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 20:21:36,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 20:21:36,651 INFO L130 BoogieDeclarations]: Found specification of procedure ReadFromPort [2022-11-16 20:21:36,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadFromPort [2022-11-16 20:21:36,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 20:21:36,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 20:21:36,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 20:21:36,735 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 20:21:36,737 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 20:21:37,008 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 20:21:37,046 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 20:21:37,047 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 20:21:37,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:21:37 BoogieIcfgContainer [2022-11-16 20:21:37,050 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 20:21:37,052 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 20:21:37,053 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 20:21:37,057 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 20:21:37,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 08:21:36" (1/3) ... [2022-11-16 20:21:37,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55a0e7f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:21:37, skipping insertion in model container [2022-11-16 20:21:37,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:21:36" (2/3) ... [2022-11-16 20:21:37,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55a0e7f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:21:37, skipping insertion in model container [2022-11-16 20:21:37,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:21:37" (3/3) ... [2022-11-16 20:21:37,074 INFO L112 eAbstractionObserver]: Analyzing ICFG pnr3.c [2022-11-16 20:21:37,110 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 20:21:37,110 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2022-11-16 20:21:37,162 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 20:21:37,169 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=LoopsAndPotentialCycles, 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;@c7895b9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 20:21:37,169 INFO L358 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2022-11-16 20:21:37,174 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) [2022-11-16 20:21:37,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-16 20:21:37,180 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:21:37,181 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-16 20:21:37,181 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)] === [2022-11-16 20:21:37,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:21:37,187 INFO L85 PathProgramCache]: Analyzing trace with hash 5552805, now seen corresponding path program 1 times [2022-11-16 20:21:37,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:21:37,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155959202] [2022-11-16 20:21:37,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:21:37,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:21:37,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:21:37,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 20:21:37,732 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:21:37,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155959202] [2022-11-16 20:21:37,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155959202] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:21:37,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:21:37,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 20:21:37,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157363281] [2022-11-16 20:21:37,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:21:37,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 20:21:37,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:21:37,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 20:21:37,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 20:21:37,784 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 5 states, 4 states have (on average 1.0) 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) [2022-11-16 20:21:37,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:21:37,936 INFO L93 Difference]: Finished difference Result 95 states and 102 transitions. [2022-11-16 20:21:37,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 20:21:37,939 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.0) 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 [2022-11-16 20:21:37,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:21:37,965 INFO L225 Difference]: With dead ends: 95 [2022-11-16 20:21:37,965 INFO L226 Difference]: Without dead ends: 76 [2022-11-16 20:21:37,968 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 [2022-11-16 20:21:37,972 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 235 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 20:21:37,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 77 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 20:21:37,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-11-16 20:21:38,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-11-16 20:21:38,021 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) [2022-11-16 20:21:38,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 82 transitions. [2022-11-16 20:21:38,024 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 82 transitions. Word has length 4 [2022-11-16 20:21:38,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:21:38,025 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 82 transitions. [2022-11-16 20:21:38,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.0) 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) [2022-11-16 20:21:38,025 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 82 transitions. [2022-11-16 20:21:38,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-16 20:21:38,026 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:21:38,027 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:21:38,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 20:21:38,027 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-16 20:21:38,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:21:38,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1773058136, now seen corresponding path program 1 times [2022-11-16 20:21:38,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:21:38,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044584361] [2022-11-16 20:21:38,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:21:38,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:21:38,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:21:38,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 20:21:38,134 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:21:38,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044584361] [2022-11-16 20:21:38,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044584361] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:21:38,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:21:38,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 20:21:38,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456081518] [2022-11-16 20:21:38,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:21:38,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 20:21:38,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:21:38,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 20:21:38,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 20:21:38,142 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) [2022-11-16 20:21:38,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:21:38,283 INFO L93 Difference]: Finished difference Result 81 states and 87 transitions. [2022-11-16 20:21:38,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 20:21:38,284 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 [2022-11-16 20:21:38,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:21:38,286 INFO L225 Difference]: With dead ends: 81 [2022-11-16 20:21:38,289 INFO L226 Difference]: Without dead ends: 79 [2022-11-16 20:21:38,289 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 [2022-11-16 20:21:38,291 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 [2022-11-16 20:21:38,294 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] [2022-11-16 20:21:38,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2022-11-16 20:21:38,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2022-11-16 20:21:38,313 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) [2022-11-16 20:21:38,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 85 transitions. [2022-11-16 20:21:38,318 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 85 transitions. Word has length 9 [2022-11-16 20:21:38,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:21:38,319 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 85 transitions. [2022-11-16 20:21:38,319 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) [2022-11-16 20:21:38,319 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 85 transitions. [2022-11-16 20:21:38,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-16 20:21:38,321 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:21:38,321 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:21:38,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 20:21:38,322 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-16 20:21:38,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:21:38,325 INFO L85 PathProgramCache]: Analyzing trace with hash 1071596128, now seen corresponding path program 1 times [2022-11-16 20:21:38,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:21:38,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220829860] [2022-11-16 20:21:38,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:21:38,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:21:38,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:21:38,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 20:21:38,450 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:21:38,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220829860] [2022-11-16 20:21:38,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220829860] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:21:38,451 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:21:38,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 20:21:38,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141677577] [2022-11-16 20:21:38,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:21:38,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 20:21:38,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:21:38,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 20:21:38,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:21:38,453 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) [2022-11-16 20:21:38,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:21:38,661 INFO L93 Difference]: Finished difference Result 145 states and 158 transitions. [2022-11-16 20:21:38,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 20:21:38,661 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 [2022-11-16 20:21:38,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:21:38,670 INFO L225 Difference]: With dead ends: 145 [2022-11-16 20:21:38,670 INFO L226 Difference]: Without dead ends: 121 [2022-11-16 20:21:38,672 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 [2022-11-16 20:21:38,678 INFO L413 NwaCegarLoop]: 54 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, 77 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 20:21:38,679 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 77 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 20:21:38,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2022-11-16 20:21:38,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 115. [2022-11-16 20:21:38,698 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) [2022-11-16 20:21:38,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 128 transitions. [2022-11-16 20:21:38,706 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 128 transitions. Word has length 12 [2022-11-16 20:21:38,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:21:38,708 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 128 transitions. [2022-11-16 20:21:38,708 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) [2022-11-16 20:21:38,708 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 128 transitions. [2022-11-16 20:21:38,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-16 20:21:38,711 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:21:38,711 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:21:38,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 20:21:38,714 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-16 20:21:38,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:21:38,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1666958657, now seen corresponding path program 1 times [2022-11-16 20:21:38,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:21:38,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133582993] [2022-11-16 20:21:38,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:21:38,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:21:38,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:21:38,836 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 20:21:38,837 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:21:38,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133582993] [2022-11-16 20:21:38,837 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133582993] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 20:21:38,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1436558346] [2022-11-16 20:21:38,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:21:38,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:21:38,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:21:38,841 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 20:21:38,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 20:21:38,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:21:38,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 20:21:38,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 20:21:39,011 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 20:21:39,012 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 20:21:39,069 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 20:21:39,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1436558346] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 20:21:39,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1875511205] [2022-11-16 20:21:39,109 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2022-11-16 20:21:39,109 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 20:21:39,115 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 20:21:39,121 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 20:21:39,122 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 20:21:39,312 INFO L321 Elim1Store]: treesize reduction 42, result has 40.0 percent of original size [2022-11-16 20:21:39,313 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 26 treesize of output 46 [2022-11-16 20:21:39,406 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-16 20:21:39,412 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-16 20:21:39,534 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 20:21:40,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1875511205] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:21:40,285 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-16 20:21:40,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 5, 5] total 15 [2022-11-16 20:21:40,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798282457] [2022-11-16 20:21:40,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:21:40,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 20:21:40,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:21:40,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 20:21:40,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-11-16 20:21:40,288 INFO L87 Difference]: Start difference. First operand 115 states and 128 transitions. Second operand has 5 states, 5 states have (on average 2.2) 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) [2022-11-16 20:21:40,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:21:40,873 INFO L93 Difference]: Finished difference Result 129 states and 142 transitions. [2022-11-16 20:21:40,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 20:21:40,874 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) 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 [2022-11-16 20:21:40,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:21:40,875 INFO L225 Difference]: With dead ends: 129 [2022-11-16 20:21:40,875 INFO L226 Difference]: Without dead ends: 120 [2022-11-16 20:21:40,875 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 24 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-11-16 20:21:40,876 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 176 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-16 20:21:40,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 48 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-16 20:21:40,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2022-11-16 20:21:40,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 115. [2022-11-16 20:21:40,898 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) [2022-11-16 20:21:40,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 127 transitions. [2022-11-16 20:21:40,899 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 127 transitions. Word has length 12 [2022-11-16 20:21:40,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:21:40,900 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 127 transitions. [2022-11-16 20:21:40,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) 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) [2022-11-16 20:21:40,900 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 127 transitions. [2022-11-16 20:21:40,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-16 20:21:40,901 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:21:40,901 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] [2022-11-16 20:21:40,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 20:21:41,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:21:41,102 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-16 20:21:41,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:21:41,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1717549988, now seen corresponding path program 1 times [2022-11-16 20:21:41,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:21:41,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056208966] [2022-11-16 20:21:41,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:21:41,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:21:41,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:21:41,232 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-16 20:21:41,233 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:21:41,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056208966] [2022-11-16 20:21:41,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056208966] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:21:41,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:21:41,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 20:21:41,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440543591] [2022-11-16 20:21:41,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:21:41,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 20:21:41,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:21:41,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 20:21:41,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 20:21:41,235 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) [2022-11-16 20:21:41,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:21:41,374 INFO L93 Difference]: Finished difference Result 120 states and 132 transitions. [2022-11-16 20:21:41,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 20:21:41,374 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 [2022-11-16 20:21:41,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:21:41,376 INFO L225 Difference]: With dead ends: 120 [2022-11-16 20:21:41,376 INFO L226 Difference]: Without dead ends: 118 [2022-11-16 20:21:41,376 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 [2022-11-16 20:21:41,377 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 18 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 127 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 [2022-11-16 20:21:41,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 127 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 20:21:41,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2022-11-16 20:21:41,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2022-11-16 20:21:41,397 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) [2022-11-16 20:21:41,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 130 transitions. [2022-11-16 20:21:41,398 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 130 transitions. Word has length 35 [2022-11-16 20:21:41,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:21:41,399 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 130 transitions. [2022-11-16 20:21:41,399 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) [2022-11-16 20:21:41,399 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 130 transitions. [2022-11-16 20:21:41,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-16 20:21:41,401 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:21:41,401 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] [2022-11-16 20:21:41,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 20:21:41,401 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-16 20:21:41,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:21:41,402 INFO L85 PathProgramCache]: Analyzing trace with hash 763617355, now seen corresponding path program 1 times [2022-11-16 20:21:41,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:21:41,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972858850] [2022-11-16 20:21:41,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:21:41,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:21:41,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:21:41,510 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-16 20:21:41,510 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:21:41,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972858850] [2022-11-16 20:21:41,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972858850] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 20:21:41,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [567078673] [2022-11-16 20:21:41,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:21:41,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:21:41,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:21:41,512 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 20:21:41,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 20:21:41,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:21:41,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 20:21:41,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 20:21:41,702 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-16 20:21:41,702 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 20:21:41,811 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-16 20:21:41,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [567078673] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 20:21:41,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1160966985] [2022-11-16 20:21:41,814 INFO L159 IcfgInterpreter]: Started Sifa with 33 locations of interest [2022-11-16 20:21:41,815 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 20:21:41,816 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 20:21:41,816 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 20:21:41,817 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 20:21:41,935 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-16 20:21:41,935 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-16 20:21:41,959 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-11-16 20:21:42,283 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 26 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 103 [2022-11-16 20:21:42,597 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 26 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 127 [2022-11-16 20:21:42,901 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 29 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 142 [2022-11-16 20:21:44,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:44,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:44,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:44,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:44,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:44,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:44,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:44,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:44,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:44,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:44,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:44,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:44,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:44,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:44,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:44,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:44,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:44,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:44,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:44,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:44,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:44,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:44,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:44,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:44,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:44,616 INFO L321 Elim1Store]: treesize reduction 112, result has 11.8 percent of original size [2022-11-16 20:21:44,617 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 53 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 32 case distinctions, treesize of input 677 treesize of output 637 [2022-11-16 20:21:46,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:46,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:46,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:46,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:46,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:46,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:46,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:46,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:46,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:46,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:46,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:46,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:46,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:46,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:46,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:46,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:46,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:46,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:46,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:46,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:46,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:46,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:46,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:46,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:46,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:46,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:46,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:46,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:46,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:46,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:46,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:46,332 INFO L321 Elim1Store]: treesize reduction 113, result has 5.8 percent of original size [2022-11-16 20:21:46,333 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 62 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 43 case distinctions, treesize of input 762 treesize of output 680 [2022-11-16 20:21:47,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:47,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:47,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:47,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:47,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:47,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:47,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:47,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:47,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:47,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:47,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:47,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:47,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:47,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:47,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:47,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:47,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:47,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:47,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:47,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:47,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:47,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:47,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:47,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:47,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:47,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:47,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:47,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:47,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:47,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:47,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:47,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:47,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:47,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:47,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:47,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:47,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:47,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:47,859 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-11-16 20:21:47,859 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 75 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 55 case distinctions, treesize of input 786 treesize of output 698 [2022-11-16 20:21:48,224 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-16 20:21:48,278 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 37 [2022-11-16 20:21:48,351 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 20:21:48,351 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 52 [2022-11-16 20:21:48,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-16 20:21:48,503 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 37 [2022-11-16 20:21:48,599 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 20:21:48,600 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 52 [2022-11-16 20:21:48,741 INFO L197 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 15 for LOIs [2022-11-16 20:21:48,744 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 20:21:51,911 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1635#(and (not (<= (* 3 |ULTIMATE.start_main_~i~0#1|) 2147483647)) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= ~MAX~0 100000) (= |ULTIMATE.start_main_~DEFAULTVAL~0#1| 0) (<= 1 ~SIZE~0) (<= |ULTIMATE.start_main_~value~0#1| 2147483647) (= 10 |ULTIMATE.start_main_~FIXEDVAL~0#1|) (<= ~SIZE~0 100000) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (<= 0 (+ 2147483648 |ULTIMATE.start_main_~value~0#1|)) (= |#NULL.offset| 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (not (= |ULTIMATE.start_main_~DEFAULTVAL~0#1| |ULTIMATE.start_main_~value~0#1|)) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-16 20:21:51,912 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-16 20:21:51,912 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 20:21:51,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2022-11-16 20:21:51,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425547080] [2022-11-16 20:21:51,912 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 20:21:51,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-16 20:21:51,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:21:51,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-16 20:21:51,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=765, Unknown=0, NotChecked=0, Total=930 [2022-11-16 20:21:51,914 INFO L87 Difference]: Start difference. First operand 118 states and 130 transitions. Second operand has 10 states, 9 states have (on average 10.0) internal successors, (90), 10 states have internal predecessors, (90), 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) [2022-11-16 20:21:52,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:21:52,239 INFO L93 Difference]: Finished difference Result 171 states and 217 transitions. [2022-11-16 20:21:52,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 20:21:52,239 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 10.0) internal successors, (90), 10 states have internal predecessors, (90), 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 45 [2022-11-16 20:21:52,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:21:52,240 INFO L225 Difference]: With dead ends: 171 [2022-11-16 20:21:52,240 INFO L226 Difference]: Without dead ends: 158 [2022-11-16 20:21:52,241 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 101 SyntacticMatches, 7 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 477 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=198, Invalid=992, Unknown=0, NotChecked=0, Total=1190 [2022-11-16 20:21:52,242 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 194 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 20:21:52,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 111 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 20:21:52,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2022-11-16 20:21:52,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 155. [2022-11-16 20:21:52,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 126 states have (on average 1.3492063492063493) internal successors, (170), 143 states have internal predecessors, (170), 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) [2022-11-16 20:21:52,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 190 transitions. [2022-11-16 20:21:52,265 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 190 transitions. Word has length 45 [2022-11-16 20:21:52,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:21:52,265 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 190 transitions. [2022-11-16 20:21:52,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 10.0) internal successors, (90), 10 states have internal predecessors, (90), 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) [2022-11-16 20:21:52,266 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 190 transitions. [2022-11-16 20:21:52,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-16 20:21:52,267 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:21:52,267 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] [2022-11-16 20:21:52,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 20:21:52,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-16 20:21:52,478 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-16 20:21:52,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:21:52,479 INFO L85 PathProgramCache]: Analyzing trace with hash -1974937430, now seen corresponding path program 1 times [2022-11-16 20:21:52,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:21:52,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035556383] [2022-11-16 20:21:52,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:21:52,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:21:52,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:21:52,626 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-16 20:21:52,626 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:21:52,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035556383] [2022-11-16 20:21:52,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035556383] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 20:21:52,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [700214822] [2022-11-16 20:21:52,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:21:52,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:21:52,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:21:52,629 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 20:21:52,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 20:21:52,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:21:52,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 20:21:52,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 20:21:52,731 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-16 20:21:52,731 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 20:21:52,787 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-16 20:21:52,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [700214822] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 20:21:52,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1570883219] [2022-11-16 20:21:52,790 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2022-11-16 20:21:52,790 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 20:21:52,791 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 20:21:52,791 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 20:21:52,791 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 20:21:52,873 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-16 20:21:52,874 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-16 20:21:52,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-11-16 20:21:53,074 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 26 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 103 [2022-11-16 20:21:53,271 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 26 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 127 [2022-11-16 20:21:53,478 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 29 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 142 [2022-11-16 20:21:54,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:54,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:54,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:54,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:54,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:54,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:54,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:54,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:54,830 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 20:21:54,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:54,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:54,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:54,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:54,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:54,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:54,838 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 20:21:54,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:54,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:54,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:54,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:54,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:21:54,881 INFO L321 Elim1Store]: treesize reduction 102, result has 21.5 percent of original size [2022-11-16 20:21:54,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 40 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 33 case distinctions, treesize of input 641 treesize of output 623 [2022-11-16 20:21:56,519 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-16 20:21:56,573 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 28 [2022-11-16 20:21:56,645 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-16 20:21:56,702 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 37 [2022-11-16 20:21:56,766 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 20:21:56,767 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 52 [2022-11-16 20:21:56,832 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-16 20:21:56,898 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 37 [2022-11-16 20:21:56,980 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 20:21:56,981 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 52 [2022-11-16 20:21:57,219 INFO L197 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 15 for LOIs [2022-11-16 20:21:57,221 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 20:22:00,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1570883219] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:22:00,600 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-16 20:22:00,600 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [5, 5, 5] total 34 [2022-11-16 20:22:00,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597671491] [2022-11-16 20:22:00,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:22:00,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-16 20:22:00,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:22:00,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-16 20:22:00,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=217, Invalid=973, Unknown=0, NotChecked=0, Total=1190 [2022-11-16 20:22:00,602 INFO L87 Difference]: Start difference. First operand 155 states and 190 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) [2022-11-16 20:22:12,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:22:12,085 INFO L93 Difference]: Finished difference Result 426 states and 541 transitions. [2022-11-16 20:22:12,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-16 20:22:12,086 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 45 [2022-11-16 20:22:12,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:22:12,088 INFO L225 Difference]: With dead ends: 426 [2022-11-16 20:22:12,088 INFO L226 Difference]: Without dead ends: 403 [2022-11-16 20:22:12,090 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 96 SyntacticMatches, 9 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1219 ImplicationChecksByTransitivity, 13.0s TimeCoverageRelationStatistics Valid=662, Invalid=2998, Unknown=0, NotChecked=0, Total=3660 [2022-11-16 20:22:12,091 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 272 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 941 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 1046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 941 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-16 20:22:12,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 168 Invalid, 1046 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 941 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-16 20:22:12,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2022-11-16 20:22:12,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 286. [2022-11-16 20:22:12,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 244 states have (on average 1.2418032786885247) internal successors, (303), 261 states have internal predecessors, (303), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2022-11-16 20:22:12,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 349 transitions. [2022-11-16 20:22:12,138 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 349 transitions. Word has length 45 [2022-11-16 20:22:12,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:22:12,138 INFO L495 AbstractCegarLoop]: Abstraction has 286 states and 349 transitions. [2022-11-16 20:22:12,139 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) [2022-11-16 20:22:12,139 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 349 transitions. [2022-11-16 20:22:12,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-16 20:22:12,140 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:22:12,141 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] [2022-11-16 20:22:12,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-16 20:22:12,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:22:12,346 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)] === [2022-11-16 20:22:12,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:22:12,346 INFO L85 PathProgramCache]: Analyzing trace with hash 653817652, now seen corresponding path program 1 times [2022-11-16 20:22:12,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:22:12,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491845639] [2022-11-16 20:22:12,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:22:12,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:22:12,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:22:12,444 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-16 20:22:12,444 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:22:12,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491845639] [2022-11-16 20:22:12,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491845639] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 20:22:12,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1903350594] [2022-11-16 20:22:12,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:22:12,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:22:12,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:22:12,446 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 20:22:12,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-16 20:22:12,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:22:12,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 20:22:12,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 20:22:12,548 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-16 20:22:12,549 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 20:22:12,593 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-16 20:22:12,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1903350594] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 20:22:12,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [683299428] [2022-11-16 20:22:12,596 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2022-11-16 20:22:12,596 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 20:22:12,597 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 20:22:12,597 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 20:22:12,597 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 20:22:12,680 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-16 20:22:12,681 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-16 20:22:12,696 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-11-16 20:22:12,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 26 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 103 [2022-11-16 20:22:13,101 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 26 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 127 [2022-11-16 20:22:13,304 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 28 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 142 [2022-11-16 20:22:13,589 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 32 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 157 [2022-11-16 20:22:13,899 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 35 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 181 [2022-11-16 20:22:14,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:14,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:14,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:14,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:14,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:14,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:14,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:14,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:14,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:14,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:14,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:14,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:14,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:14,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:14,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:14,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:14,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:14,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:14,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:14,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:14,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:14,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:14,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:14,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:14,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:14,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:14,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:14,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:14,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:14,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:14,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:14,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:14,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:14,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:14,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:14,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:14,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:14,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:14,315 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-11-16 20:22:14,316 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 74 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 55 case distinctions, treesize of input 765 treesize of output 695 [2022-11-16 20:22:15,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:15,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:15,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:15,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:15,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:15,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:15,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:15,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:15,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:15,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:15,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:15,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:15,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:15,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:15,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:15,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:15,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:15,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:15,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:15,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:15,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:15,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:15,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:16,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:16,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:16,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:16,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:16,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:16,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:16,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:16,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:16,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:16,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:16,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:16,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:16,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:16,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:16,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:16,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:16,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:16,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:16,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:16,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:16,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:16,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:16,039 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-11-16 20:22:16,040 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 88 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 69 case distinctions, treesize of input 783 treesize of output 707 [2022-11-16 20:22:17,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:17,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:17,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:17,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:17,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:17,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:17,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:17,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:17,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:17,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:17,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:17,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:17,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:17,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:17,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:17,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:17,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:17,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:17,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:17,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:17,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:17,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:17,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:17,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:17,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:17,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:17,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:17,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:17,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:17,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:17,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:17,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:17,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:17,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:17,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:17,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:17,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:17,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:17,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:17,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:17,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:17,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:17,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:17,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:17,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:17,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:17,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:17,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:17,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:17,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:17,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:17,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:17,435 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-11-16 20:22:17,436 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 101 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 84 case distinctions, treesize of input 861 treesize of output 743 [2022-11-16 20:22:18,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-16 20:22:18,893 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 227 treesize of output 217 [2022-11-16 20:22:19,184 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 20:22:19,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 305 treesize of output 253 [2022-11-16 20:22:19,475 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-16 20:22:19,773 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-16 20:22:20,006 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 105 [2022-11-16 20:22:20,321 INFO L197 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 15 for LOIs [2022-11-16 20:22:20,323 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 20:22:24,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [683299428] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:22:24,174 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-16 20:22:24,175 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [5, 5, 5] total 34 [2022-11-16 20:22:24,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098529721] [2022-11-16 20:22:24,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:22:24,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-16 20:22:24,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:22:24,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-16 20:22:24,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=219, Invalid=971, Unknown=0, NotChecked=0, Total=1190 [2022-11-16 20:22:24,177 INFO L87 Difference]: Start difference. First operand 286 states and 349 transitions. Second operand has 25 states, 21 states have (on average 1.619047619047619) 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) [2022-11-16 20:22:35,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:22:35,039 INFO L93 Difference]: Finished difference Result 465 states and 579 transitions. [2022-11-16 20:22:35,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-11-16 20:22:35,043 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 21 states have (on average 1.619047619047619) 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 45 [2022-11-16 20:22:35,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:22:35,046 INFO L225 Difference]: With dead ends: 465 [2022-11-16 20:22:35,046 INFO L226 Difference]: Without dead ends: 442 [2022-11-16 20:22:35,047 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 91 SyntacticMatches, 14 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1376 ImplicationChecksByTransitivity, 13.0s TimeCoverageRelationStatistics Valid=722, Invalid=3184, Unknown=0, NotChecked=0, Total=3906 [2022-11-16 20:22:35,048 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 389 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 1149 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 392 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 1273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 1149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-16 20:22:35,048 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [392 Valid, 140 Invalid, 1273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 1149 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-16 20:22:35,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2022-11-16 20:22:35,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 367. [2022-11-16 20:22:35,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 318 states have (on average 1.2138364779874213) internal successors, (386), 335 states have internal predecessors, (386), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2022-11-16 20:22:35,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 446 transitions. [2022-11-16 20:22:35,094 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 446 transitions. Word has length 45 [2022-11-16 20:22:35,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:22:35,095 INFO L495 AbstractCegarLoop]: Abstraction has 367 states and 446 transitions. [2022-11-16 20:22:35,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 21 states have (on average 1.619047619047619) 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) [2022-11-16 20:22:35,095 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 446 transitions. [2022-11-16 20:22:35,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-16 20:22:35,097 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:22:35,097 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] [2022-11-16 20:22:35,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-16 20:22:35,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:22:35,302 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-16 20:22:35,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:22:35,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1320139764, now seen corresponding path program 1 times [2022-11-16 20:22:35,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:22:35,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190176932] [2022-11-16 20:22:35,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:22:35,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:22:35,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:22:35,394 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-16 20:22:35,395 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:22:35,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190176932] [2022-11-16 20:22:35,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190176932] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 20:22:35,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2067644419] [2022-11-16 20:22:35,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:22:35,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:22:35,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:22:35,397 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 20:22:35,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-16 20:22:35,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:22:35,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 20:22:35,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 20:22:35,499 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-16 20:22:35,499 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 20:22:35,546 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-16 20:22:35,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2067644419] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 20:22:35,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [651880104] [2022-11-16 20:22:35,549 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2022-11-16 20:22:35,549 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 20:22:35,549 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 20:22:35,549 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 20:22:35,550 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 20:22:35,612 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-16 20:22:35,613 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-16 20:22:35,627 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-11-16 20:22:35,773 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 26 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 103 [2022-11-16 20:22:35,945 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 27 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 127 [2022-11-16 20:22:36,122 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 29 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 158 treesize of output 151 [2022-11-16 20:22:37,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:37,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:37,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:37,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:37,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:37,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:37,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:37,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:37,123 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 20:22:37,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:37,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:37,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:37,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:37,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:37,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:37,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:37,131 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 20:22:37,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:37,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:37,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:37,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:37,172 INFO L321 Elim1Store]: treesize reduction 102, result has 21.5 percent of original size [2022-11-16 20:22:37,172 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 39 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 33 case distinctions, treesize of input 662 treesize of output 632 [2022-11-16 20:22:38,503 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-16 20:22:38,550 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 37 [2022-11-16 20:22:38,613 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-16 20:22:38,656 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 37 [2022-11-16 20:22:38,719 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 20:22:38,719 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 95 treesize of output 61 [2022-11-16 20:22:38,786 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-16 20:22:38,846 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 37 [2022-11-16 20:22:38,931 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 20:22:38,931 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 95 treesize of output 61 [2022-11-16 20:22:39,107 INFO L197 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 15 for LOIs [2022-11-16 20:22:39,109 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 20:22:42,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [651880104] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:22:42,284 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-16 20:22:42,284 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [5, 5, 5] total 34 [2022-11-16 20:22:42,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812988953] [2022-11-16 20:22:42,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:22:42,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-16 20:22:42,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:22:42,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-16 20:22:42,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=230, Invalid=960, Unknown=0, NotChecked=0, Total=1190 [2022-11-16 20:22:42,287 INFO L87 Difference]: Start difference. First operand 367 states and 446 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) [2022-11-16 20:22:52,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:22:52,868 INFO L93 Difference]: Finished difference Result 619 states and 768 transitions. [2022-11-16 20:22:52,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-16 20:22:52,871 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 45 [2022-11-16 20:22:52,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:22:52,873 INFO L225 Difference]: With dead ends: 619 [2022-11-16 20:22:52,874 INFO L226 Difference]: Without dead ends: 596 [2022-11-16 20:22:52,875 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 96 SyntacticMatches, 9 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1173 ImplicationChecksByTransitivity, 12.2s TimeCoverageRelationStatistics Valid=676, Invalid=2864, Unknown=0, NotChecked=0, Total=3540 [2022-11-16 20:22:52,876 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 432 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 757 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 892 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 757 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-16 20:22:52,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [435 Valid, 99 Invalid, 892 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 757 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-16 20:22:52,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2022-11-16 20:22:52,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 379. [2022-11-16 20:22:52,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 330 states have (on average 1.206060606060606) internal successors, (398), 347 states have internal predecessors, (398), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2022-11-16 20:22:52,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 458 transitions. [2022-11-16 20:22:52,930 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 458 transitions. Word has length 45 [2022-11-16 20:22:52,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:22:52,931 INFO L495 AbstractCegarLoop]: Abstraction has 379 states and 458 transitions. [2022-11-16 20:22:52,931 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) [2022-11-16 20:22:52,931 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 458 transitions. [2022-11-16 20:22:52,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-16 20:22:52,933 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:22:52,933 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] [2022-11-16 20:22:52,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-16 20:22:53,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:22:53,138 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-16 20:22:53,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:22:53,138 INFO L85 PathProgramCache]: Analyzing trace with hash -10114892, now seen corresponding path program 1 times [2022-11-16 20:22:53,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:22:53,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219902917] [2022-11-16 20:22:53,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:22:53,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:22:53,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:22:53,235 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-16 20:22:53,235 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:22:53,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219902917] [2022-11-16 20:22:53,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219902917] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 20:22:53,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [476167448] [2022-11-16 20:22:53,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:22:53,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:22:53,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:22:53,237 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 20:22:53,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-16 20:22:53,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:22:53,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 20:22:53,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 20:22:53,332 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-16 20:22:53,332 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 20:22:53,369 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-16 20:22:53,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [476167448] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 20:22:53,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1014791227] [2022-11-16 20:22:53,371 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2022-11-16 20:22:53,371 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 20:22:53,371 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 20:22:53,372 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 20:22:53,372 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 20:22:53,440 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-16 20:22:53,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-16 20:22:53,451 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-11-16 20:22:53,594 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 103 [2022-11-16 20:22:53,724 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 26 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 118 [2022-11-16 20:22:53,879 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 29 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 133 [2022-11-16 20:22:54,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:54,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:54,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:54,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:54,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:54,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:54,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:54,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:54,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:54,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:54,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:54,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:54,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:54,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:54,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:54,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:54,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:54,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:54,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:54,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:54,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:54,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:54,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:54,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:54,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:54,162 INFO L321 Elim1Store]: treesize reduction 112, result has 11.8 percent of original size [2022-11-16 20:22:54,163 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 52 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 32 case distinctions, treesize of input 666 treesize of output 644 [2022-11-16 20:22:55,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:55,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:55,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:55,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:55,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:55,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:55,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:55,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:55,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:55,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:55,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:55,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:55,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:55,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:55,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:55,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:55,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:55,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:55,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:55,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:55,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:55,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:55,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:55,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:55,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:55,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:55,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:55,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:55,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:55,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:55,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:55,372 INFO L321 Elim1Store]: treesize reduction 113, result has 5.8 percent of original size [2022-11-16 20:22:55,372 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 62 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 43 case distinctions, treesize of input 681 treesize of output 653 [2022-11-16 20:22:56,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:56,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:56,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:56,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:56,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:56,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:56,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:56,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:56,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:56,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:56,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:56,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:56,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:56,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:56,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:56,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:56,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:56,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:56,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:56,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:56,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:56,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:56,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:56,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:56,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:56,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:56,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:56,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:56,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:56,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:56,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:56,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:56,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:56,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:56,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:56,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:56,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:56,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:22:56,443 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-11-16 20:22:56,444 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 75 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 55 case distinctions, treesize of input 705 treesize of output 671 [2022-11-16 20:22:57,756 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-16 20:22:57,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 87 [2022-11-16 20:22:58,075 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 20:22:58,076 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 121 treesize of output 105 [2022-11-16 20:22:58,380 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-16 20:22:58,539 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 87 [2022-11-16 20:22:58,750 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 20:22:58,750 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 121 treesize of output 105 [2022-11-16 20:22:59,122 INFO L197 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 15 for LOIs [2022-11-16 20:22:59,123 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 20:23:02,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1014791227] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:23:02,778 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-16 20:23:02,778 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [5, 5, 5] total 34 [2022-11-16 20:23:02,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015506515] [2022-11-16 20:23:02,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:23:02,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-16 20:23:02,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:23:02,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-16 20:23:02,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=216, Invalid=974, Unknown=0, NotChecked=0, Total=1190 [2022-11-16 20:23:02,780 INFO L87 Difference]: Start difference. First operand 379 states and 458 transitions. Second operand has 25 states, 22 states have (on average 1.5454545454545454) 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) [2022-11-16 20:23:11,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:23:11,371 INFO L93 Difference]: Finished difference Result 626 states and 781 transitions. [2022-11-16 20:23:11,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-16 20:23:11,371 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 22 states have (on average 1.5454545454545454) 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 45 [2022-11-16 20:23:11,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:23:11,374 INFO L225 Difference]: With dead ends: 626 [2022-11-16 20:23:11,374 INFO L226 Difference]: Without dead ends: 603 [2022-11-16 20:23:11,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 91 SyntacticMatches, 14 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1228 ImplicationChecksByTransitivity, 10.5s TimeCoverageRelationStatistics Valid=607, Invalid=2699, Unknown=0, NotChecked=0, Total=3306 [2022-11-16 20:23:11,376 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 372 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 1071 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 1216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 1071 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-16 20:23:11,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 213 Invalid, 1216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 1071 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-16 20:23:11,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2022-11-16 20:23:11,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 459. [2022-11-16 20:23:11,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 402 states have (on average 1.1940298507462686) internal successors, (480), 419 states have internal predecessors, (480), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2022-11-16 20:23:11,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 556 transitions. [2022-11-16 20:23:11,439 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 556 transitions. Word has length 45 [2022-11-16 20:23:11,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:23:11,439 INFO L495 AbstractCegarLoop]: Abstraction has 459 states and 556 transitions. [2022-11-16 20:23:11,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 22 states have (on average 1.5454545454545454) 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) [2022-11-16 20:23:11,439 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 556 transitions. [2022-11-16 20:23:11,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-16 20:23:11,440 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:23:11,440 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] [2022-11-16 20:23:11,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-16 20:23:11,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-16 20:23:11,651 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-16 20:23:11,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:23:11,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1010004994, now seen corresponding path program 1 times [2022-11-16 20:23:11,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:23:11,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421267651] [2022-11-16 20:23:11,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:23:11,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:23:11,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:23:11,741 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-16 20:23:11,741 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:23:11,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421267651] [2022-11-16 20:23:11,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421267651] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 20:23:11,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1646369640] [2022-11-16 20:23:11,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:23:11,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:23:11,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:23:11,743 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 20:23:11,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-16 20:23:11,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:23:11,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 20:23:11,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 20:23:11,848 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-16 20:23:11,848 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 20:23:11,895 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-16 20:23:11,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1646369640] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 20:23:11,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1699793637] [2022-11-16 20:23:11,903 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2022-11-16 20:23:11,903 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 20:23:11,904 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 20:23:11,904 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 20:23:11,904 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 20:23:11,971 INFO L321 Elim1Store]: treesize reduction 42, result has 40.0 percent of original size [2022-11-16 20:23:11,972 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 26 treesize of output 46 [2022-11-16 20:23:12,023 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-16 20:23:12,023 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-16 20:23:12,169 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 103 [2022-11-16 20:23:12,342 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 27 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 118 [2022-11-16 20:23:12,504 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 29 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 142 [2022-11-16 20:23:12,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:12,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:12,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:12,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:12,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:12,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:12,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:12,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:12,770 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 20:23:12,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:12,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:12,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:12,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:12,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:12,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:12,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:12,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 20:23:12,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:12,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:12,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:12,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:12,817 INFO L321 Elim1Store]: treesize reduction 102, result has 21.5 percent of original size [2022-11-16 20:23:12,818 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 38 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 33 case distinctions, treesize of input 661 treesize of output 639 [2022-11-16 20:23:13,774 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-16 20:23:13,971 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 105 [2022-11-16 20:23:14,307 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-16 20:23:14,345 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 28 [2022-11-16 20:23:14,403 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 20:23:14,404 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 52 [2022-11-16 20:23:14,489 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-16 20:23:14,544 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 28 [2022-11-16 20:23:14,616 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 20:23:14,617 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 52 [2022-11-16 20:23:14,993 INFO L197 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 15 for LOIs [2022-11-16 20:23:14,995 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 20:23:18,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1699793637] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:23:18,781 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-16 20:23:18,781 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [5, 5, 5] total 36 [2022-11-16 20:23:18,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412523905] [2022-11-16 20:23:18,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:23:18,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-11-16 20:23:18,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:23:18,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-11-16 20:23:18,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=227, Invalid=1105, Unknown=0, NotChecked=0, Total=1332 [2022-11-16 20:23:18,783 INFO L87 Difference]: Start difference. First operand 459 states and 556 transitions. Second operand has 27 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 22 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) [2022-11-16 20:23:30,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:23:30,932 INFO L93 Difference]: Finished difference Result 697 states and 851 transitions. [2022-11-16 20:23:30,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-16 20:23:30,932 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 22 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 45 [2022-11-16 20:23:30,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:23:30,935 INFO L225 Difference]: With dead ends: 697 [2022-11-16 20:23:30,936 INFO L226 Difference]: Without dead ends: 674 [2022-11-16 20:23:30,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 95 SyntacticMatches, 8 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1411 ImplicationChecksByTransitivity, 14.2s TimeCoverageRelationStatistics Valid=737, Invalid=3553, Unknown=0, NotChecked=0, Total=4290 [2022-11-16 20:23:30,938 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 301 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 961 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 1081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-16 20:23:30,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 120 Invalid, 1081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 961 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-16 20:23:30,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2022-11-16 20:23:30,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 421. [2022-11-16 20:23:30,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 368 states have (on average 1.1657608695652173) internal successors, (429), 385 states have internal predecessors, (429), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2022-11-16 20:23:30,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 497 transitions. [2022-11-16 20:23:30,996 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 497 transitions. Word has length 45 [2022-11-16 20:23:30,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:23:30,996 INFO L495 AbstractCegarLoop]: Abstraction has 421 states and 497 transitions. [2022-11-16 20:23:30,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 22 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) [2022-11-16 20:23:30,996 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 497 transitions. [2022-11-16 20:23:30,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-16 20:23:30,998 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:23:30,998 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:23:31,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-16 20:23:31,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:23:31,204 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-16 20:23:31,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:23:31,204 INFO L85 PathProgramCache]: Analyzing trace with hash -801635193, now seen corresponding path program 1 times [2022-11-16 20:23:31,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:23:31,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711753417] [2022-11-16 20:23:31,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:23:31,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:23:31,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:23:31,273 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-16 20:23:31,273 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:23:31,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711753417] [2022-11-16 20:23:31,274 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711753417] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:23:31,274 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:23:31,274 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 20:23:31,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63317462] [2022-11-16 20:23:31,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:23:31,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 20:23:31,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:23:31,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 20:23:31,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 20:23:31,276 INFO L87 Difference]: Start difference. First operand 421 states and 497 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 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) [2022-11-16 20:23:31,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:23:31,405 INFO L93 Difference]: Finished difference Result 421 states and 497 transitions. [2022-11-16 20:23:31,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 20:23:31,406 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 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 69 [2022-11-16 20:23:31,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:23:31,408 INFO L225 Difference]: With dead ends: 421 [2022-11-16 20:23:31,408 INFO L226 Difference]: Without dead ends: 408 [2022-11-16 20:23:31,408 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 20:23:31,409 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 32 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 20:23:31,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 52 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 20:23:31,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2022-11-16 20:23:31,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 376. [2022-11-16 20:23:31,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 338 states have (on average 1.1272189349112427) internal successors, (381), 342 states have internal predecessors, (381), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2022-11-16 20:23:31,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 445 transitions. [2022-11-16 20:23:31,468 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 445 transitions. Word has length 69 [2022-11-16 20:23:31,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:23:31,469 INFO L495 AbstractCegarLoop]: Abstraction has 376 states and 445 transitions. [2022-11-16 20:23:31,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 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) [2022-11-16 20:23:31,469 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 445 transitions. [2022-11-16 20:23:31,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-16 20:23:31,471 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:23:31,471 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-16 20:23:31,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-16 20:23:31,471 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-16 20:23:31,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:23:31,472 INFO L85 PathProgramCache]: Analyzing trace with hash 356811433, now seen corresponding path program 1 times [2022-11-16 20:23:31,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:23:31,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137719981] [2022-11-16 20:23:31,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:23:31,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:23:31,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:23:31,621 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-11-16 20:23:31,621 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:23:31,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137719981] [2022-11-16 20:23:31,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137719981] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 20:23:31,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1565433521] [2022-11-16 20:23:31,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:23:31,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:23:31,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:23:31,623 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 20:23:31,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-16 20:23:31,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:23:31,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 20:23:31,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 20:23:31,749 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-11-16 20:23:31,749 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 20:23:31,795 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-11-16 20:23:31,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1565433521] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 20:23:31,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1197124821] [2022-11-16 20:23:31,801 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-11-16 20:23:31,801 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 20:23:31,803 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 20:23:31,803 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 20:23:31,803 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 20:23:31,892 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-16 20:23:31,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-16 20:23:31,905 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-11-16 20:23:32,088 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 26 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 103 [2022-11-16 20:23:32,273 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 26 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 127 [2022-11-16 20:23:32,441 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 29 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 142 [2022-11-16 20:23:33,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:33,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:33,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:33,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:33,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:33,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:33,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:33,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:33,397 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 20:23:33,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:33,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:33,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:33,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:33,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:33,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:33,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:33,410 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 20:23:33,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:33,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:33,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:33,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:33,452 INFO L321 Elim1Store]: treesize reduction 102, result has 21.5 percent of original size [2022-11-16 20:23:33,452 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 39 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 33 case distinctions, treesize of input 641 treesize of output 623 [2022-11-16 20:23:34,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-16 20:23:35,048 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 28 [2022-11-16 20:23:35,110 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-16 20:23:35,161 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 37 [2022-11-16 20:23:35,223 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 20:23:35,224 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 52 [2022-11-16 20:23:35,276 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-16 20:23:35,320 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 37 [2022-11-16 20:23:35,375 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 20:23:35,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 52 [2022-11-16 20:23:35,454 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 20:23:35,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 80 treesize of output 67 [2022-11-16 20:23:35,534 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 20:23:35,535 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 119 treesize of output 91 [2022-11-16 20:23:35,681 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 20:23:35,683 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 131 treesize of output 106 [2022-11-16 20:23:36,099 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 20:23:36,100 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 22 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 419 treesize of output 334 [2022-11-16 20:23:36,521 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 20:23:36,522 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 497 treesize of output 370 [2022-11-16 20:23:36,943 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 20:23:36,944 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 37 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 521 treesize of output 388 [2022-11-16 20:23:37,095 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-16 20:23:37,142 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 37 [2022-11-16 20:23:37,202 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 20:23:37,202 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 52 [2022-11-16 20:23:37,245 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-16 20:23:37,311 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 37 [2022-11-16 20:23:37,386 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 20:23:37,387 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 52 [2022-11-16 20:23:37,483 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 20:23:37,483 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 80 treesize of output 67 [2022-11-16 20:23:37,568 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 20:23:37,568 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 119 treesize of output 91 [2022-11-16 20:23:37,650 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 20:23:37,651 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 131 treesize of output 106 [2022-11-16 20:23:38,052 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 20:23:38,052 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 22 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 419 treesize of output 334 [2022-11-16 20:23:38,471 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 20:23:38,471 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 497 treesize of output 370 [2022-11-16 20:23:38,948 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 20:23:38,948 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 37 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 521 treesize of output 388 [2022-11-16 20:23:39,080 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-16 20:23:39,126 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 37 [2022-11-16 20:23:39,181 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 20:23:39,182 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 52 [2022-11-16 20:23:39,353 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-16 20:23:39,413 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 37 [2022-11-16 20:23:39,481 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 20:23:39,481 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 52 [2022-11-16 20:23:39,703 INFO L197 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 15 for LOIs [2022-11-16 20:23:39,704 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 20:23:42,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1197124821] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:23:42,773 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-16 20:23:42,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [5, 5, 5] total 34 [2022-11-16 20:23:42,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100836181] [2022-11-16 20:23:42,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:23:42,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-16 20:23:42,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:23:42,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-16 20:23:42,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=223, Invalid=967, Unknown=0, NotChecked=0, Total=1190 [2022-11-16 20:23:42,775 INFO L87 Difference]: Start difference. First operand 376 states and 445 transitions. Second operand has 25 states, 21 states have (on average 1.8571428571428572) internal successors, (39), 20 states have internal predecessors, (39), 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) [2022-11-16 20:23:52,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:23:52,373 INFO L93 Difference]: Finished difference Result 821 states and 969 transitions. [2022-11-16 20:23:52,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-16 20:23:52,374 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 21 states have (on average 1.8571428571428572) internal successors, (39), 20 states have internal predecessors, (39), 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 78 [2022-11-16 20:23:52,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:23:52,377 INFO L225 Difference]: With dead ends: 821 [2022-11-16 20:23:52,377 INFO L226 Difference]: Without dead ends: 810 [2022-11-16 20:23:52,378 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 190 SyntacticMatches, 14 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1362 ImplicationChecksByTransitivity, 11.2s TimeCoverageRelationStatistics Valid=717, Invalid=3065, Unknown=0, NotChecked=0, Total=3782 [2022-11-16 20:23:52,380 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 413 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 840 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 416 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 840 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-16 20:23:52,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [416 Valid, 81 Invalid, 963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 840 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-16 20:23:52,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2022-11-16 20:23:52,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 564. [2022-11-16 20:23:52,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 564 states, 507 states have (on average 1.1282051282051282) internal successors, (572), 511 states have internal predecessors, (572), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2022-11-16 20:23:52,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 674 transitions. [2022-11-16 20:23:52,498 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 674 transitions. Word has length 78 [2022-11-16 20:23:52,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:23:52,499 INFO L495 AbstractCegarLoop]: Abstraction has 564 states and 674 transitions. [2022-11-16 20:23:52,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 21 states have (on average 1.8571428571428572) internal successors, (39), 20 states have internal predecessors, (39), 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) [2022-11-16 20:23:52,500 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 674 transitions. [2022-11-16 20:23:52,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-16 20:23:52,501 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:23:52,501 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1] [2022-11-16 20:23:52,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-16 20:23:52,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-16 20:23:52,708 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-16 20:23:52,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:23:52,708 INFO L85 PathProgramCache]: Analyzing trace with hash -643078669, now seen corresponding path program 1 times [2022-11-16 20:23:52,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:23:52,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617717885] [2022-11-16 20:23:52,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:23:52,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:23:52,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:23:52,843 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-16 20:23:52,843 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:23:52,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617717885] [2022-11-16 20:23:52,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617717885] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 20:23:52,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1628027318] [2022-11-16 20:23:52,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:23:52,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:23:52,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:23:52,845 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 20:23:52,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-16 20:23:52,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:23:52,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 20:23:52,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 20:23:52,958 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-16 20:23:52,959 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 20:23:53,018 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-16 20:23:53,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1628027318] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 20:23:53,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1401898697] [2022-11-16 20:23:53,021 INFO L159 IcfgInterpreter]: Started Sifa with 45 locations of interest [2022-11-16 20:23:53,022 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 20:23:53,022 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 20:23:53,022 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 20:23:53,022 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 20:23:53,152 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-16 20:23:53,152 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-16 20:23:53,188 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-11-16 20:23:53,358 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 26 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 103 [2022-11-16 20:23:53,567 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 26 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 127 [2022-11-16 20:23:53,657 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 27 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 127 [2022-11-16 20:23:54,108 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-16 20:23:54,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:54,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:54,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:54,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:54,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:54,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:54,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:54,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:54,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:54,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:54,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:54,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:54,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:54,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:54,665 INFO L321 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2022-11-16 20:23:54,666 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 11 case distinctions, treesize of input 416 treesize of output 430 [2022-11-16 20:23:55,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:55,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:55,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:55,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:55,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:55,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:55,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:55,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:55,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:55,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:55,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:55,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:55,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:55,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:55,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:55,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:55,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:55,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:55,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:55,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:55,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:55,393 INFO L321 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2022-11-16 20:23:55,393 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 43 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 20 case distinctions, treesize of input 508 treesize of output 480 [2022-11-16 20:23:55,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:55,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:55,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:55,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:55,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:55,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:55,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:55,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:55,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:55,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:55,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:55,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:55,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:55,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:55,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:55,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:55,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:55,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:55,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:55,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:55,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:23:55,623 INFO L321 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2022-11-16 20:23:55,624 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 44 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 20 case distinctions, treesize of input 508 treesize of output 480 [2022-11-16 20:23:55,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-16 20:23:55,777 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-16 20:23:55,828 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 37 [2022-11-16 20:23:55,853 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 37 [2022-11-16 20:23:56,098 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-16 20:23:56,143 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-16 20:23:56,194 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 37 [2022-11-16 20:23:56,218 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 37 [2022-11-16 20:23:56,422 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-16 20:23:56,488 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 28 [2022-11-16 20:23:56,547 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 20:23:56,548 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 52 [2022-11-16 20:23:56,576 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 20:23:56,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 52 [2022-11-16 20:23:56,814 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-16 20:23:57,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 254 treesize of output 226 [2022-11-16 20:23:57,448 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 20:23:57,449 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 332 treesize of output 262 [2022-11-16 20:23:57,547 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 20:23:57,551 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 332 treesize of output 262 [2022-11-16 20:23:57,619 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-16 20:23:57,874 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 254 treesize of output 226 [2022-11-16 20:23:58,155 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 20:23:58,156 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 332 treesize of output 262 [2022-11-16 20:23:58,223 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 20:23:58,224 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 332 treesize of output 262 [2022-11-16 20:23:58,317 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-16 20:23:58,398 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 28 [2022-11-16 20:23:58,470 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 20:23:58,470 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 52 [2022-11-16 20:23:58,505 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 20:23:58,506 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 52 [2022-11-16 20:23:58,782 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-16 20:23:59,045 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 254 treesize of output 226 [2022-11-16 20:23:59,347 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 20:23:59,347 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 332 treesize of output 262 [2022-11-16 20:23:59,412 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 20:23:59,412 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 332 treesize of output 262 [2022-11-16 20:23:59,477 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-16 20:23:59,550 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-16 20:23:59,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 37 [2022-11-16 20:23:59,632 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 37 [2022-11-16 20:23:59,932 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-16 20:24:00,088 INFO L197 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 15 for LOIs [2022-11-16 20:24:00,090 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 20:24:03,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1401898697] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:24:03,356 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-16 20:24:03,356 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [5, 5, 5] total 35 [2022-11-16 20:24:03,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857594077] [2022-11-16 20:24:03,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:24:03,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-11-16 20:24:03,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:24:03,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-16 20:24:03,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=234, Invalid=1026, Unknown=0, NotChecked=0, Total=1260 [2022-11-16 20:24:03,358 INFO L87 Difference]: Start difference. First operand 564 states and 674 transitions. Second operand has 26 states, 21 states have (on average 2.0952380952380953) internal successors, (44), 21 states have internal predecessors, (44), 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) [2022-11-16 20:24:13,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:24:13,778 INFO L93 Difference]: Finished difference Result 623 states and 753 transitions. [2022-11-16 20:24:13,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-16 20:24:13,779 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 21 states have (on average 2.0952380952380953) internal successors, (44), 21 states have internal predecessors, (44), 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 78 [2022-11-16 20:24:13,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:24:13,779 INFO L225 Difference]: With dead ends: 623 [2022-11-16 20:24:13,779 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 20:24:13,782 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 182 SyntacticMatches, 21 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1592 ImplicationChecksByTransitivity, 12.5s TimeCoverageRelationStatistics Valid=796, Invalid=3364, Unknown=0, NotChecked=0, Total=4160 [2022-11-16 20:24:13,782 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 244 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 815 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-16 20:24:13,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 13 Invalid, 924 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 815 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-16 20:24:13,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 20:24:13,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 20:24:13,784 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) [2022-11-16 20:24:13,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 20:24:13,784 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78 [2022-11-16 20:24:13,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:24:13,784 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 20:24:13,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 21 states have (on average 2.0952380952380953) internal successors, (44), 21 states have internal predecessors, (44), 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) [2022-11-16 20:24:13,785 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 20:24:13,785 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 20:24:13,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 30 remaining) [2022-11-16 20:24:13,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 30 remaining) [2022-11-16 20:24:13,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 30 remaining) [2022-11-16 20:24:13,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 30 remaining) [2022-11-16 20:24:13,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 30 remaining) [2022-11-16 20:24:13,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 30 remaining) [2022-11-16 20:24:13,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 30 remaining) [2022-11-16 20:24:13,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 30 remaining) [2022-11-16 20:24:13,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 30 remaining) [2022-11-16 20:24:13,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 30 remaining) [2022-11-16 20:24:13,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 30 remaining) [2022-11-16 20:24:13,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 30 remaining) [2022-11-16 20:24:13,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 30 remaining) [2022-11-16 20:24:13,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 30 remaining) [2022-11-16 20:24:13,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 30 remaining) [2022-11-16 20:24:13,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 30 remaining) [2022-11-16 20:24:13,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 30 remaining) [2022-11-16 20:24:13,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 30 remaining) [2022-11-16 20:24:13,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 30 remaining) [2022-11-16 20:24:13,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 30 remaining) [2022-11-16 20:24:13,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 30 remaining) [2022-11-16 20:24:13,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 30 remaining) [2022-11-16 20:24:13,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 30 remaining) [2022-11-16 20:24:13,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 30 remaining) [2022-11-16 20:24:13,793 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 30 remaining) [2022-11-16 20:24:13,793 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 30 remaining) [2022-11-16 20:24:13,793 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 30 remaining) [2022-11-16 20:24:13,793 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 30 remaining) [2022-11-16 20:24:13,793 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 30 remaining) [2022-11-16 20:24:13,794 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 30 remaining) [2022-11-16 20:24:13,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-11-16 20:24:13,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-16 20:24:14,001 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 20:24:28,336 WARN L233 SmtUtils]: Spent 13.34s on a formula simplification. DAG size of input: 292 DAG size of output: 289 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-16 20:24:38,584 INFO L902 garLoopResultBuilder]: At program point ReadFromPortENTRY(lines 12 16) the Hoare annotation is: true [2022-11-16 20:24:38,584 INFO L899 garLoopResultBuilder]: For program point ReadFromPortEXIT(lines 12 16) no Hoare annotation was computed. [2022-11-16 20:24:38,584 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2022-11-16 20:24:38,584 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 65) no Hoare annotation was computed. [2022-11-16 20:24:38,584 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2022-11-16 20:24:38,585 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2022-11-16 20:24:38,585 INFO L899 garLoopResultBuilder]: For program point L36-1(line 36) no Hoare annotation was computed. [2022-11-16 20:24:38,585 INFO L899 garLoopResultBuilder]: For program point L36-2(lines 36 67) no Hoare annotation was computed. [2022-11-16 20:24:38,585 INFO L899 garLoopResultBuilder]: For program point L69-3(line 69) no Hoare annotation was computed. [2022-11-16 20:24:38,585 INFO L899 garLoopResultBuilder]: For program point L69-4(line 69) no Hoare annotation was computed. [2022-11-16 20:24:38,585 INFO L899 garLoopResultBuilder]: For program point L36-4(lines 36 67) no Hoare annotation was computed. [2022-11-16 20:24:38,586 INFO L895 garLoopResultBuilder]: At program point L69-5(lines 69 72) the Hoare annotation is: (let ((.cse34 (select |#memory_int| 1)) (.cse35 (select |#memory_int| 2))) (let ((.cse0 (= 7 (select |#length| 2))) (.cse1 (= (select |#length| 3) 12)) (.cse2 (< |ULTIMATE.start_main_~a~0#1.base| |#StackHeapBarrier|)) (.cse3 (= |ULTIMATE.start_main_~a~0#1.offset| 0)) (.cse4 (= 114 (select .cse35 2))) (.cse5 (= (select .cse35 5) 99)) (.cse6 (= ~MAX~0 100000)) (.cse7 (= |ULTIMATE.start_main_~DEFAULTVAL~0#1| 0)) (.cse8 (<= 2 ~SIZE~0)) (.cse9 (= 51 (select .cse35 3))) (.cse10 (= 2 (select |#length| 1))) (.cse11 (= (select |#valid| 3) 1)) (.cse12 (= 10 |ULTIMATE.start_main_~FIXEDVAL~0#1|)) (.cse13 (= (select .cse35 4) 46)) (.cse14 (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|)) (.cse15 (= (select |#length| |ULTIMATE.start_main_~a~0#1.base|) (* 4 (mod ~SIZE~0 1073741824)))) (.cse16 (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|)) (.cse17 (= (select |#valid| 1) 1)) (.cse18 (= (select .cse35 6) 0)) (.cse19 (= 112 (select .cse35 0))) (.cse20 (<= ~SIZE~0 99999)) (.cse21 (= (select |#valid| 0) 0)) (.cse22 (= (select |#valid| 2) 1)) (.cse23 (= |#NULL.offset| 0)) (.cse24 (= (select .cse34 0) 48)) (.cse25 (= 110 (select .cse35 1))) (.cse26 (not (= 3 |ULTIMATE.start_main_~a~0#1.base|))) (.cse27 (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1)) (.cse28 (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1)) (.cse29 (= (select .cse34 1) 0)) (.cse30 (= ~SIZE~0 (* (div ~SIZE~0 3) 3))) (.cse31 (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (.cse32 (< 0 |#StackHeapBarrier|)) (.cse33 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_main_~i~0#1| 0) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33) (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33)))) [2022-11-16 20:24:38,586 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-16 20:24:38,586 INFO L899 garLoopResultBuilder]: For program point L36-5(line 36) no Hoare annotation was computed. [2022-11-16 20:24:38,587 INFO L899 garLoopResultBuilder]: For program point L36-6(line 36) no Hoare annotation was computed. [2022-11-16 20:24:38,587 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 20:24:38,587 INFO L899 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2022-11-16 20:24:38,588 INFO L895 garLoopResultBuilder]: At program point L36-7(lines 36 67) the Hoare annotation is: (let ((.cse31 (select |#memory_int| 1)) (.cse32 (select |#memory_int| 2))) (let ((.cse0 (= 7 (select |#length| 2))) (.cse1 (= (select |#length| 3) 12)) (.cse2 (< |ULTIMATE.start_main_~a~0#1.base| |#StackHeapBarrier|)) (.cse3 (= |ULTIMATE.start_main_~a~0#1.offset| 0)) (.cse4 (= 114 (select .cse32 2))) (.cse5 (= (select .cse32 5) 99)) (.cse6 (= ~MAX~0 100000)) (.cse7 (= |ULTIMATE.start_main_~DEFAULTVAL~0#1| 0)) (.cse8 (<= 2 ~SIZE~0)) (.cse9 (= 51 (select .cse32 3))) (.cse10 (= 2 (select |#length| 1))) (.cse11 (= (select |#valid| 3) 1)) (.cse12 (= 10 |ULTIMATE.start_main_~FIXEDVAL~0#1|)) (.cse13 (= (select .cse32 4) 46)) (.cse14 (= (select |#length| |ULTIMATE.start_main_~a~0#1.base|) (* 4 (mod ~SIZE~0 1073741824)))) (.cse15 (= (select |#valid| 1) 1)) (.cse16 (= (select .cse32 6) 0)) (.cse17 (= 112 (select .cse32 0))) (.cse18 (<= ~SIZE~0 99999)) (.cse19 (= (select |#valid| 0) 0)) (.cse20 (= (select |#valid| 2) 1)) (.cse21 (= |#NULL.offset| 0)) (.cse22 (= (select .cse31 0) 48)) (.cse23 (= 110 (select .cse32 1))) (.cse24 (not (= 3 |ULTIMATE.start_main_~a~0#1.base|))) (.cse25 (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1)) (.cse26 (= (select .cse31 1) 0)) (.cse28 (< 0 |#StackHeapBarrier|)) (.cse29 (= |#NULL.base| 0))) (or (let ((.cse27 (= (let ((.cse30 (mod ~SIZE~0 3))) (ite (and (< ~SIZE~0 0) (not (= .cse30 0))) (+ .cse30 (- 3)) .cse30)) 0))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (= |ULTIMATE.start_main_~i~0#1| 1) .cse11 .cse12 .cse13 (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| |ULTIMATE.start_assume_abort_if_not_~cond#1|) .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| (ite .cse27 1 0)) .cse27 .cse28 .cse29)) (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (<= |ULTIMATE.start_main_~value~0#1| 2147483647) .cse12 .cse13 (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) .cse14 (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) .cse15 (<= |ULTIMATE.start_main_~i~0#1| 715827883) .cse16 .cse17 .cse18 .cse19 (<= 0 (+ 2147483648 |ULTIMATE.start_main_~value~0#1|)) .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) .cse26 (= ~SIZE~0 (* (div ~SIZE~0 3) 3)) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) .cse28 .cse29)))) [2022-11-16 20:24:38,588 INFO L899 garLoopResultBuilder]: For program point L61-1(line 61) no Hoare annotation was computed. [2022-11-16 20:24:38,588 INFO L899 garLoopResultBuilder]: For program point L36-8(lines 36 67) no Hoare annotation was computed. [2022-11-16 20:24:38,588 INFO L899 garLoopResultBuilder]: For program point L61-2(line 61) no Hoare annotation was computed. [2022-11-16 20:24:38,588 INFO L899 garLoopResultBuilder]: For program point L61-3(line 61) no Hoare annotation was computed. [2022-11-16 20:24:38,588 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2022-11-16 20:24:38,589 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW(line 65) no Hoare annotation was computed. [2022-11-16 20:24:38,589 INFO L899 garLoopResultBuilder]: For program point L45(line 45) no Hoare annotation was computed. [2022-11-16 20:24:38,589 INFO L899 garLoopResultBuilder]: For program point L45-1(line 45) no Hoare annotation was computed. [2022-11-16 20:24:38,589 INFO L899 garLoopResultBuilder]: For program point L45-2(line 45) no Hoare annotation was computed. [2022-11-16 20:24:38,589 INFO L899 garLoopResultBuilder]: For program point L45-3(line 45) no Hoare annotation was computed. [2022-11-16 20:24:38,589 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2022-11-16 20:24:38,590 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-16 20:24:38,590 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2022-11-16 20:24:38,590 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW(line 65) no Hoare annotation was computed. [2022-11-16 20:24:38,590 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2022-11-16 20:24:38,591 INFO L895 garLoopResultBuilder]: At program point L38(line 38) the Hoare annotation is: (let ((.cse30 (select |#memory_int| 1)) (.cse31 (select |#memory_int| 2))) (let ((.cse0 (= 7 (select |#length| 2))) (.cse1 (= (select |#length| 3) 12)) (.cse2 (< |ULTIMATE.start_main_~a~0#1.base| |#StackHeapBarrier|)) (.cse3 (= |ULTIMATE.start_main_~a~0#1.offset| 0)) (.cse4 (= 114 (select .cse31 2))) (.cse5 (= (select .cse31 5) 99)) (.cse6 (= ~MAX~0 100000)) (.cse7 (= |ULTIMATE.start_main_~DEFAULTVAL~0#1| 0)) (.cse8 (= 51 (select .cse31 3))) (.cse9 (= 2 (select |#length| 1))) (.cse10 (= (select |#valid| 3) 1)) (.cse11 (= 10 |ULTIMATE.start_main_~FIXEDVAL~0#1|)) (.cse12 (= (select .cse31 4) 46)) (.cse13 (= (select |#length| |ULTIMATE.start_main_~a~0#1.base|) (* 4 (mod ~SIZE~0 1073741824)))) (.cse14 (= (select |#valid| 1) 1)) (.cse15 (= (select .cse31 6) 0)) (.cse16 (= 112 (select .cse31 0))) (.cse17 (<= ~SIZE~0 99999)) (.cse18 (= (select |#valid| 0) 0)) (.cse19 (= (select |#valid| 2) 1)) (.cse20 (= |#NULL.offset| 0)) (.cse21 (= (select .cse30 0) 48)) (.cse22 (= 110 (select .cse31 1))) (.cse23 (not (= 3 |ULTIMATE.start_main_~a~0#1.base|))) (.cse24 (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1)) (.cse25 (= (select .cse30 1) 0)) (.cse27 (< 0 |#StackHeapBarrier|)) (.cse28 (= |#NULL.base| 0))) (or (let ((.cse26 (= (let ((.cse29 (mod ~SIZE~0 3))) (ite (and (< ~SIZE~0 0) (not (= .cse29 0))) (+ .cse29 (- 3)) .cse29)) 0))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (<= 2 ~SIZE~0) .cse8 .cse9 (= |ULTIMATE.start_main_~i~0#1| 1) .cse10 .cse11 .cse12 (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| |ULTIMATE.start_assume_abort_if_not_~cond#1|) .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| (ite .cse26 1 0)) .cse26 .cse27 .cse28)) (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (<= |ULTIMATE.start_main_~value~0#1| 2147483647) .cse11 .cse12 (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (< 1 ~SIZE~0) .cse13 (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) .cse14 .cse15 .cse16 .cse17 .cse18 (<= 0 (+ 2147483648 |ULTIMATE.start_main_~value~0#1|)) .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= |ULTIMATE.start_main_~i~0#1| 715827882) .cse25 (= ~SIZE~0 (* (div ~SIZE~0 3) 3)) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) .cse27 .cse28)))) [2022-11-16 20:24:38,591 INFO L899 garLoopResultBuilder]: For program point L38-1(line 38) no Hoare annotation was computed. [2022-11-16 20:24:38,591 INFO L899 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2022-11-16 20:24:38,591 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 61) no Hoare annotation was computed. [2022-11-16 20:24:38,591 INFO L899 garLoopResultBuilder]: For program point L55-1(line 55) no Hoare annotation was computed. [2022-11-16 20:24:38,592 INFO L899 garLoopResultBuilder]: For program point L55-2(line 55) no Hoare annotation was computed. [2022-11-16 20:24:38,592 INFO L899 garLoopResultBuilder]: For program point L55-3(line 55) no Hoare annotation was computed. [2022-11-16 20:24:38,592 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-16 20:24:38,592 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2022-11-16 20:24:38,592 INFO L899 garLoopResultBuilder]: For program point L39(lines 39 46) no Hoare annotation was computed. [2022-11-16 20:24:38,593 INFO L895 garLoopResultBuilder]: At program point L39-2(lines 39 46) the Hoare annotation is: (let ((.cse38 (select |#memory_int| 1)) (.cse39 (select |#memory_int| 2))) (let ((.cse0 (= 7 (select |#length| 2))) (.cse1 (= (select |#length| 3) 12)) (.cse2 (< |ULTIMATE.start_main_~a~0#1.base| |#StackHeapBarrier|)) (.cse3 (= |ULTIMATE.start_main_~a~0#1.offset| 0)) (.cse4 (= 114 (select .cse39 2))) (.cse5 (<= 1 |ULTIMATE.start_main_~i~0#1|)) (.cse6 (= (select .cse39 5) 99)) (.cse7 (= ~MAX~0 100000)) (.cse8 (= |ULTIMATE.start_main_~DEFAULTVAL~0#1| 0)) (.cse10 (<= 2 ~SIZE~0)) (.cse11 (= 51 (select .cse39 3))) (.cse12 (= 2 (select |#length| 1))) (.cse13 (= (select |#valid| 3) 1)) (.cse14 (= 10 |ULTIMATE.start_main_~FIXEDVAL~0#1|)) (.cse15 (= (select .cse39 4) 46)) (.cse16 (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|)) (.cse19 (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~a~0#1.offset| (- 12) (* |ULTIMATE.start_main_~i~0#1| 12)))) (.cse17 (= (select |#length| |ULTIMATE.start_main_~a~0#1.base|) (* 4 (mod ~SIZE~0 1073741824)))) (.cse18 (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|)) (.cse20 (= (select |#valid| 1) 1)) (.cse21 (= (select .cse39 6) 0)) (.cse22 (= 112 (select .cse39 0))) (.cse23 (<= ~SIZE~0 99999)) (.cse24 (= (select |#valid| 0) 0)) (.cse25 (= (select |#valid| 2) 1)) (.cse26 (= |#NULL.offset| 0)) (.cse27 (= (select .cse38 0) 48)) (.cse28 (= 110 (select .cse39 1))) (.cse29 (not (= 3 |ULTIMATE.start_main_~a~0#1.base|))) (.cse30 (<= (* 3 |ULTIMATE.start_main_~i~0#1|) 2147483647)) (.cse31 (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1)) (.cse32 (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1)) (.cse9 (= |ULTIMATE.start_main_~DEFAULTVAL~0#1| |ULTIMATE.start_main_~value~0#1|)) (.cse33 (= (select .cse38 1) 0)) (.cse34 (= ~SIZE~0 (* (div ~SIZE~0 3) 3))) (.cse35 (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (.cse36 (< 0 |#StackHeapBarrier|)) (.cse37 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 (<= .cse19 2147483647) .cse20 .cse21 .cse22 .cse23 .cse24 (not (= .cse19 |ULTIMATE.start_main_~DEFAULTVAL~0#1|)) .cse25 .cse26 .cse27 (<= 0 (+ .cse19 2147483648)) .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse10 .cse11 .cse12 .cse13 (<= |ULTIMATE.start_main_~value~0#1| 2147483647) .cse14 .cse15 .cse16 (= .cse19 |ULTIMATE.start_main_~value~0#1|) .cse17 .cse18 .cse20 .cse21 .cse22 .cse23 .cse24 (<= 0 (+ 2147483648 |ULTIMATE.start_main_~value~0#1|)) .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 (not .cse9) .cse33 .cse34 .cse35 .cse36 .cse37)))) [2022-11-16 20:24:38,593 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 61) no Hoare annotation was computed. [2022-11-16 20:24:38,593 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-16 20:24:38,593 INFO L899 garLoopResultBuilder]: For program point L48(line 48) no Hoare annotation was computed. [2022-11-16 20:24:38,594 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2022-11-16 20:24:38,594 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2022-11-16 20:24:38,594 INFO L899 garLoopResultBuilder]: For program point L65-1(line 65) no Hoare annotation was computed. [2022-11-16 20:24:38,594 INFO L899 garLoopResultBuilder]: For program point L65-2(line 65) no Hoare annotation was computed. [2022-11-16 20:24:38,594 INFO L899 garLoopResultBuilder]: For program point L65-3(line 65) no Hoare annotation was computed. [2022-11-16 20:24:38,594 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2022-11-16 20:24:38,594 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW(line 69) no Hoare annotation was computed. [2022-11-16 20:24:38,595 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 61) no Hoare annotation was computed. [2022-11-16 20:24:38,595 INFO L899 garLoopResultBuilder]: For program point L49(lines 49 56) no Hoare annotation was computed. [2022-11-16 20:24:38,595 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2022-11-16 20:24:38,596 INFO L895 garLoopResultBuilder]: At program point L49-2(lines 49 56) the Hoare annotation is: (let ((.cse45 (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|)) (.cse46 (* |ULTIMATE.start_main_~i~0#1| 12))) (let ((.cse42 (select |#memory_int| 1)) (.cse44 (select .cse45 (+ |ULTIMATE.start_main_~a~0#1.offset| (- 12) .cse46))) (.cse43 (select |#memory_int| 2))) (let ((.cse0 (= 7 (select |#length| 2))) (.cse1 (= (select |#length| 3) 12)) (.cse2 (< |ULTIMATE.start_main_~a~0#1.base| |#StackHeapBarrier|)) (.cse3 (= |ULTIMATE.start_main_~a~0#1.offset| 0)) (.cse4 (= 114 (select .cse43 2))) (.cse5 (<= 1 |ULTIMATE.start_main_~i~0#1|)) (.cse6 (= (select .cse43 5) 99)) (.cse7 (= ~MAX~0 100000)) (.cse8 (= |ULTIMATE.start_main_~DEFAULTVAL~0#1| 0)) (.cse10 (= 51 (select .cse43 3))) (.cse11 (= 2 (select |#length| 1))) (.cse12 (= (select |#valid| 3) 1)) (.cse13 (= 10 |ULTIMATE.start_main_~FIXEDVAL~0#1|)) (.cse14 (= (select .cse43 4) 46)) (.cse15 (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|)) (.cse16 (< 1 ~SIZE~0)) (.cse17 (= (select |#length| |ULTIMATE.start_main_~a~0#1.base|) (* 4 (mod ~SIZE~0 1073741824)))) (.cse18 (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|)) (.cse25 (select .cse45 (+ |ULTIMATE.start_main_~a~0#1.offset| .cse46 (- 8)))) (.cse19 (<= .cse44 2147483647)) (.cse20 (= (select |#valid| 1) 1)) (.cse21 (= (select .cse43 6) 0)) (.cse22 (= 112 (select .cse43 0))) (.cse23 (<= ~SIZE~0 99999)) (.cse24 (= (select |#valid| 0) 0)) (.cse26 (not (= .cse44 |ULTIMATE.start_main_~DEFAULTVAL~0#1|))) (.cse27 (= (select |#valid| 2) 1)) (.cse28 (= |#NULL.offset| 0)) (.cse29 (= (select .cse42 0) 48)) (.cse30 (<= 0 (+ .cse44 2147483648))) (.cse31 (= 110 (select .cse43 1))) (.cse32 (not (= 3 |ULTIMATE.start_main_~a~0#1.base|))) (.cse33 (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1)) (.cse34 (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1)) (.cse35 (<= |ULTIMATE.start_main_~i~0#1| 715827882)) (.cse9 (= |ULTIMATE.start_main_~DEFAULTVAL~0#1| |ULTIMATE.start_main_~value~0#1|)) (.cse36 (= (select .cse42 1) 0)) (.cse37 (= ~SIZE~0 (* (div ~SIZE~0 3) 3))) (.cse38 (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (.cse39 (< 0 |#StackHeapBarrier|)) (.cse40 (= |#NULL.base| 0)) (.cse41 (<= 0 (+ 715827881 |ULTIMATE.start_main_~i~0#1|)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 (= .cse25 |ULTIMATE.start_main_~FIXEDVAL~0#1|) .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37 .cse38 .cse39 .cse40 .cse41) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse10 .cse11 .cse12 (<= |ULTIMATE.start_main_~value~0#1| 2147483647) .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 (= .cse25 |ULTIMATE.start_main_~value~0#1|) .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 (<= 0 (+ 2147483648 |ULTIMATE.start_main_~value~0#1|)) .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 (not .cse9) .cse36 .cse37 .cse38 .cse39 .cse40 .cse41))))) [2022-11-16 20:24:38,596 INFO L895 garLoopResultBuilder]: At program point L74(lines 22 75) the Hoare annotation is: (or (not (= ~SIZE~0 (* (div ~SIZE~0 3) 3))) (<= ~MAX~0 100000)) [2022-11-16 20:24:38,596 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2022-11-16 20:24:38,596 INFO L899 garLoopResultBuilder]: For program point L41-1(line 41) no Hoare annotation was computed. [2022-11-16 20:24:38,596 INFO L899 garLoopResultBuilder]: For program point L41-2(line 41) no Hoare annotation was computed. [2022-11-16 20:24:38,596 INFO L899 garLoopResultBuilder]: For program point L41-3(line 41) no Hoare annotation was computed. [2022-11-16 20:24:38,597 INFO L899 garLoopResultBuilder]: For program point L33(line 33) no Hoare annotation was computed. [2022-11-16 20:24:38,597 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 20:24:38,597 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2022-11-16 20:24:38,597 INFO L899 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2022-11-16 20:24:38,597 INFO L899 garLoopResultBuilder]: For program point L25(lines 25 73) no Hoare annotation was computed. [2022-11-16 20:24:38,597 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW(line 69) no Hoare annotation was computed. [2022-11-16 20:24:38,598 INFO L899 garLoopResultBuilder]: For program point L25-1(lines 25 73) no Hoare annotation was computed. [2022-11-16 20:24:38,598 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 61) no Hoare annotation was computed. [2022-11-16 20:24:38,598 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2022-11-16 20:24:38,598 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 65) no Hoare annotation was computed. [2022-11-16 20:24:38,598 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2022-11-16 20:24:38,598 INFO L899 garLoopResultBuilder]: For program point L59(lines 59 66) no Hoare annotation was computed. [2022-11-16 20:24:38,599 INFO L899 garLoopResultBuilder]: For program point L51(line 51) no Hoare annotation was computed. [2022-11-16 20:24:38,599 INFO L899 garLoopResultBuilder]: For program point L51-1(line 51) no Hoare annotation was computed. [2022-11-16 20:24:38,599 INFO L899 garLoopResultBuilder]: For program point L51-2(line 51) no Hoare annotation was computed. [2022-11-16 20:24:38,599 INFO L899 garLoopResultBuilder]: For program point L51-3(line 51) no Hoare annotation was computed. [2022-11-16 20:24:38,599 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2022-11-16 20:24:38,599 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2022-11-16 20:24:38,603 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:24:38,605 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 20:24:38,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 08:24:38 BoogieIcfgContainer [2022-11-16 20:24:38,631 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 20:24:38,631 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 20:24:38,631 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 20:24:38,632 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 20:24:38,632 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:21:37" (3/4) ... [2022-11-16 20:24:38,635 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 20:24:38,641 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ReadFromPort [2022-11-16 20:24:38,646 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-16 20:24:38,646 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-16 20:24:38,647 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-16 20:24:38,647 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 20:24:38,647 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 20:24:38,672 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((((((7 == unknown-#length-unknown[2] && unknown-#length-unknown[3] == 12) && a < unknown-#StackHeapBarrier-unknown) && a == 0) && 114 == unknown-#memory_int-unknown[2][2]) && unknown-#memory_int-unknown[2][5] == 99) && MAX == 100000) && DEFAULTVAL == 0) && 2 <= SIZE) && 51 == unknown-#memory_int-unknown[2][3]) && 2 == unknown-#length-unknown[1]) && i == 1) && \valid[3] == 1) && 10 == FIXEDVAL) && unknown-#memory_int-unknown[2][4] == 46) && \old(cond) == cond) && unknown-#length-unknown[a] == 4 * (SIZE % 1073741824)) && \valid[1] == 1) && unknown-#memory_int-unknown[2][6] == 0) && 112 == unknown-#memory_int-unknown[2][0]) && SIZE <= 99999) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && 110 == unknown-#memory_int-unknown[2][1]) && !(3 == a)) && \valid[a] == 1) && unknown-#memory_int-unknown[1][1] == 0) && \old(cond) == (if (if SIZE < 0 && !(SIZE % 3 == 0) then SIZE % 3 + -3 else SIZE % 3) == 0 then 1 else 0)) && (if SIZE < 0 && !(SIZE % 3 == 0) then SIZE % 3 + -3 else SIZE % 3) == 0) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || (((((((((((((((((((((((((((((((((((((7 == unknown-#length-unknown[2] && unknown-#length-unknown[3] == 12) && a < unknown-#StackHeapBarrier-unknown) && a == 0) && 114 == unknown-#memory_int-unknown[2][2]) && 1 <= i) && unknown-#memory_int-unknown[2][5] == 99) && MAX == 100000) && DEFAULTVAL == 0) && 2 <= SIZE) && 51 == unknown-#memory_int-unknown[2][3]) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && value <= 2147483647) && 10 == FIXEDVAL) && unknown-#memory_int-unknown[2][4] == 46) && 0 <= \old(cond)) && unknown-#length-unknown[a] == 4 * (SIZE % 1073741824)) && 0 <= cond) && \valid[1] == 1) && i <= 715827883) && unknown-#memory_int-unknown[2][6] == 0) && 112 == unknown-#memory_int-unknown[2][0]) && SIZE <= 99999) && \valid[0] == 0) && 0 <= 2147483648 + value) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && 110 == unknown-#memory_int-unknown[2][1]) && !(3 == a)) && \valid[a] == 1) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && SIZE == SIZE / 3 * 3) && cond <= 1) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) [2022-11-16 20:24:38,673 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((((((((7 == unknown-#length-unknown[2] && unknown-#length-unknown[3] == 12) && a < unknown-#StackHeapBarrier-unknown) && a == 0) && i == 0) && 114 == unknown-#memory_int-unknown[2][2]) && unknown-#memory_int-unknown[2][5] == 99) && MAX == 100000) && DEFAULTVAL == 0) && 2 <= SIZE) && 51 == unknown-#memory_int-unknown[2][3]) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 10 == FIXEDVAL) && unknown-#memory_int-unknown[2][4] == 46) && 0 <= \old(cond)) && unknown-#length-unknown[a] == 4 * (SIZE % 1073741824)) && 0 <= cond) && \valid[1] == 1) && unknown-#memory_int-unknown[2][6] == 0) && 112 == unknown-#memory_int-unknown[2][0]) && SIZE <= 99999) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && 110 == unknown-#memory_int-unknown[2][1]) && !(3 == a)) && \valid[a] == 1) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && SIZE == SIZE / 3 * 3) && cond <= 1) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || ((((((((((((((((((((((((((((((((((7 == unknown-#length-unknown[2] && unknown-#length-unknown[3] == 12) && a < unknown-#StackHeapBarrier-unknown) && a == 0) && 114 == unknown-#memory_int-unknown[2][2]) && 1 <= i) && unknown-#memory_int-unknown[2][5] == 99) && MAX == 100000) && DEFAULTVAL == 0) && 2 <= SIZE) && 51 == unknown-#memory_int-unknown[2][3]) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 10 == FIXEDVAL) && unknown-#memory_int-unknown[2][4] == 46) && 0 <= \old(cond)) && unknown-#length-unknown[a] == 4 * (SIZE % 1073741824)) && 0 <= cond) && \valid[1] == 1) && unknown-#memory_int-unknown[2][6] == 0) && 112 == unknown-#memory_int-unknown[2][0]) && SIZE <= 99999) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && 110 == unknown-#memory_int-unknown[2][1]) && !(3 == a)) && \valid[a] == 1) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && SIZE == SIZE / 3 * 3) && cond <= 1) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) [2022-11-16 20:24:38,689 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/witness.graphml [2022-11-16 20:24:38,689 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 20:24:38,689 INFO L158 Benchmark]: Toolchain (without parser) took 182594.71ms. Allocated memory was 132.1MB in the beginning and 660.6MB in the end (delta: 528.5MB). Free memory was 97.6MB in the beginning and 462.4MB in the end (delta: -364.9MB). Peak memory consumption was 164.1MB. Max. memory is 16.1GB. [2022-11-16 20:24:38,690 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 88.1MB. Free memory was 60.8MB in the beginning and 60.8MB in the end (delta: 21.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 20:24:38,690 INFO L158 Benchmark]: CACSL2BoogieTranslator took 335.36ms. Allocated memory is still 132.1MB. Free memory was 97.3MB in the beginning and 107.2MB in the end (delta: -9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 20:24:38,690 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.08ms. Allocated memory is still 132.1MB. Free memory was 107.2MB in the beginning and 105.3MB in the end (delta: 1.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 20:24:38,691 INFO L158 Benchmark]: Boogie Preprocessor took 53.85ms. Allocated memory is still 132.1MB. Free memory was 105.3MB in the beginning and 104.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 20:24:38,691 INFO L158 Benchmark]: RCFGBuilder took 498.08ms. Allocated memory is still 132.1MB. Free memory was 104.0MB in the beginning and 85.7MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-16 20:24:38,691 INFO L158 Benchmark]: TraceAbstraction took 181578.50ms. Allocated memory was 132.1MB in the beginning and 660.6MB in the end (delta: 528.5MB). Free memory was 85.1MB in the beginning and 466.6MB in the end (delta: -381.6MB). Peak memory consumption was 385.1MB. Max. memory is 16.1GB. [2022-11-16 20:24:38,692 INFO L158 Benchmark]: Witness Printer took 57.65ms. Allocated memory is still 660.6MB. Free memory was 466.6MB in the beginning and 462.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 20:24:38,693 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 88.1MB. Free memory was 60.8MB in the beginning and 60.8MB in the end (delta: 21.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 335.36ms. Allocated memory is still 132.1MB. Free memory was 97.3MB in the beginning and 107.2MB in the end (delta: -9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.08ms. Allocated memory is still 132.1MB. Free memory was 107.2MB in the beginning and 105.3MB in the end (delta: 1.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.85ms. Allocated memory is still 132.1MB. Free memory was 105.3MB in the beginning and 104.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 498.08ms. Allocated memory is still 132.1MB. Free memory was 104.0MB in the beginning and 85.7MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 181578.50ms. Allocated memory was 132.1MB in the beginning and 660.6MB in the end (delta: 528.5MB). Free memory was 85.1MB in the beginning and 466.6MB in the end (delta: -381.6MB). Peak memory consumption was 385.1MB. Max. memory is 16.1GB. * Witness Printer took 57.65ms. Allocated memory is still 660.6MB. Free memory was 466.6MB in the beginning and 462.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * 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: 181.5s, OverallIterations: 14, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 75.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 24.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3148 SdHoareTripleChecker+Valid, 11.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3117 mSDsluCounter, 1499 SdHoareTripleChecker+Invalid, 10.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 942 mSDsCounter, 1009 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7231 IncrementalHoareTripleChecker+Invalid, 8240 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1009 mSolverCounterUnsat, 557 mSDtfsCounter, 7231 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1551 GetRequests, 971 SyntacticMatches, 98 SemanticMatches, 482 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9928 ImplicationChecksByTransitivity, 90.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=564occurred in iteration=13, InterpolantAutomatonStates: 250, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 14 MinimizatonAttempts, 1098 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 74 PreInvPairs, 156 NumberOfFragments, 2001 HoareAnnotationTreeSize, 74 FomulaSimplifications, 18187 FormulaSimplificationTreeSizeReduction, 14.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 278171 FormulaSimplificationTreeSizeReductionInter, 9.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 1005 NumberOfCodeBlocks, 1005 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 1411 ConstructedInterpolants, 0 QuantifiedInterpolants, 2043 SizeOfPredicates, 17 NumberOfNonLiveVariables, 1680 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 32 InterpolantComputations, 5 PerfectInterpolantSequences, 572/641 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: 40.0s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 15, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 424, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 1226, TOOLS_POST_TIME: 14.5s, TOOLS_POST_CALL_APPLICATIONS: 283, TOOLS_POST_CALL_TIME: 18.9s, TOOLS_POST_RETURN_APPLICATIONS: 262, TOOLS_POST_RETURN_TIME: 2.9s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 1771, TOOLS_QUANTIFIERELIM_TIME: 35.5s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.7s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 1959, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 239, DOMAIN_JOIN_TIME: 2.2s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 31, DOMAIN_WIDEN_TIME: 0.3s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 51, DOMAIN_ISSUBSETEQ_TIME: 0.1s, DOMAIN_ISBOTTOM_APPLICATIONS: 424, DOMAIN_ISBOTTOM_TIME: 0.7s, LOOP_SUMMARIZER_APPLICATIONS: 20, LOOP_SUMMARIZER_CACHE_MISSES: 20, LOOP_SUMMARIZER_OVERALL_TIME: 33.6s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 33.6s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 51, CALL_SUMMARIZER_APPLICATIONS: 262, CALL_SUMMARIZER_CACHE_MISSES: 7, 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: 0.2s, DAG_COMPRESSION_PROCESSED_NODES: 16327, DAG_COMPRESSION_RETAINED_NODES: 1106, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 30 specifications checked. All of them hold - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: !(SIZE == SIZE / 3 * 3) || MAX <= 100000 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((7 == unknown-#length-unknown[2] && unknown-#length-unknown[3] == 12) && a < unknown-#StackHeapBarrier-unknown) && a == 0) && i == 0) && 114 == unknown-#memory_int-unknown[2][2]) && unknown-#memory_int-unknown[2][5] == 99) && MAX == 100000) && DEFAULTVAL == 0) && 2 <= SIZE) && 51 == unknown-#memory_int-unknown[2][3]) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 10 == FIXEDVAL) && unknown-#memory_int-unknown[2][4] == 46) && 0 <= \old(cond)) && unknown-#length-unknown[a] == 4 * (SIZE % 1073741824)) && 0 <= cond) && \valid[1] == 1) && unknown-#memory_int-unknown[2][6] == 0) && 112 == unknown-#memory_int-unknown[2][0]) && SIZE <= 99999) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && 110 == unknown-#memory_int-unknown[2][1]) && !(3 == a)) && \valid[a] == 1) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && SIZE == SIZE / 3 * 3) && cond <= 1) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || ((((((((((((((((((((((((((((((((((7 == unknown-#length-unknown[2] && unknown-#length-unknown[3] == 12) && a < unknown-#StackHeapBarrier-unknown) && a == 0) && 114 == unknown-#memory_int-unknown[2][2]) && 1 <= i) && unknown-#memory_int-unknown[2][5] == 99) && MAX == 100000) && DEFAULTVAL == 0) && 2 <= SIZE) && 51 == unknown-#memory_int-unknown[2][3]) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 10 == FIXEDVAL) && unknown-#memory_int-unknown[2][4] == 46) && 0 <= \old(cond)) && unknown-#length-unknown[a] == 4 * (SIZE % 1073741824)) && 0 <= cond) && \valid[1] == 1) && unknown-#memory_int-unknown[2][6] == 0) && 112 == unknown-#memory_int-unknown[2][0]) && SIZE <= 99999) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && 110 == unknown-#memory_int-unknown[2][1]) && !(3 == a)) && \valid[a] == 1) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && SIZE == SIZE / 3 * 3) && cond <= 1) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((7 == unknown-#length-unknown[2] && unknown-#length-unknown[3] == 12) && a < unknown-#StackHeapBarrier-unknown) && a == 0) && 114 == unknown-#memory_int-unknown[2][2]) && unknown-#memory_int-unknown[2][5] == 99) && MAX == 100000) && DEFAULTVAL == 0) && 2 <= SIZE) && 51 == unknown-#memory_int-unknown[2][3]) && 2 == unknown-#length-unknown[1]) && i == 1) && \valid[3] == 1) && 10 == FIXEDVAL) && unknown-#memory_int-unknown[2][4] == 46) && \old(cond) == cond) && unknown-#length-unknown[a] == 4 * (SIZE % 1073741824)) && \valid[1] == 1) && unknown-#memory_int-unknown[2][6] == 0) && 112 == unknown-#memory_int-unknown[2][0]) && SIZE <= 99999) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && 110 == unknown-#memory_int-unknown[2][1]) && !(3 == a)) && \valid[a] == 1) && unknown-#memory_int-unknown[1][1] == 0) && \old(cond) == (if (if SIZE < 0 && !(SIZE % 3 == 0) then SIZE % 3 + -3 else SIZE % 3) == 0 then 1 else 0)) && (if SIZE < 0 && !(SIZE % 3 == 0) then SIZE % 3 + -3 else SIZE % 3) == 0) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || (((((((((((((((((((((((((((((((((((((7 == unknown-#length-unknown[2] && unknown-#length-unknown[3] == 12) && a < unknown-#StackHeapBarrier-unknown) && a == 0) && 114 == unknown-#memory_int-unknown[2][2]) && 1 <= i) && unknown-#memory_int-unknown[2][5] == 99) && MAX == 100000) && DEFAULTVAL == 0) && 2 <= SIZE) && 51 == unknown-#memory_int-unknown[2][3]) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && value <= 2147483647) && 10 == FIXEDVAL) && unknown-#memory_int-unknown[2][4] == 46) && 0 <= \old(cond)) && unknown-#length-unknown[a] == 4 * (SIZE % 1073741824)) && 0 <= cond) && \valid[1] == 1) && i <= 715827883) && unknown-#memory_int-unknown[2][6] == 0) && 112 == unknown-#memory_int-unknown[2][0]) && SIZE <= 99999) && \valid[0] == 0) && 0 <= 2147483648 + value) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && 110 == unknown-#memory_int-unknown[2][1]) && !(3 == a)) && \valid[a] == 1) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && SIZE == SIZE / 3 * 3) && cond <= 1) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) RESULT: Ultimate proved your program to be correct! [2022-11-16 20:24:38,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36c528b-3f8e-403b-8bae-77e6f4a22d81/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE