./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 2329fc70 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_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-tiling/pnr3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh --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-2329fc7 [2022-12-14 05:03:03,172 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 05:03:03,174 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 05:03:03,193 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 05:03:03,194 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 05:03:03,195 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 05:03:03,196 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 05:03:03,198 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 05:03:03,200 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 05:03:03,201 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 05:03:03,202 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 05:03:03,203 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 05:03:03,203 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 05:03:03,204 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 05:03:03,205 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 05:03:03,207 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 05:03:03,207 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 05:03:03,208 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 05:03:03,210 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 05:03:03,212 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 05:03:03,213 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 05:03:03,214 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 05:03:03,216 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 05:03:03,216 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 05:03:03,220 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 05:03:03,220 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 05:03:03,220 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 05:03:03,221 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 05:03:03,222 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 05:03:03,223 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 05:03:03,223 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 05:03:03,224 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 05:03:03,225 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 05:03:03,225 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 05:03:03,226 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 05:03:03,227 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 05:03:03,227 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 05:03:03,227 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 05:03:03,227 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 05:03:03,228 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 05:03:03,229 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 05:03:03,229 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-12-14 05:03:03,250 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 05:03:03,250 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 05:03:03,250 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 05:03:03,251 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 05:03:03,251 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 05:03:03,251 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 05:03:03,251 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 05:03:03,252 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 05:03:03,252 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 05:03:03,252 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 05:03:03,252 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 05:03:03,252 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 05:03:03,252 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 05:03:03,253 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 05:03:03,253 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 05:03:03,253 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 05:03:03,253 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 05:03:03,253 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 05:03:03,254 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 05:03:03,254 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 05:03:03,254 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 05:03:03,254 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 05:03:03,254 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 05:03:03,254 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 05:03:03,254 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 05:03:03,255 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 05:03:03,255 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 05:03:03,255 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 05:03:03,255 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 05:03:03,255 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 05:03:03,255 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 05:03:03,256 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 05:03:03,256 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 05:03:03,256 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 05:03:03,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:03:03,256 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 05:03:03,256 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 05:03:03,257 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 05:03:03,257 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 05:03:03,257 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 05:03:03,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 05:03:03,257 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 05:03:03,257 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 05:03:03,257 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_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e32269e91be552d606173d0b8eafd4ffa81c0e735dd375e4417d1ccfc27eaf5e [2022-12-14 05:03:03,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 05:03:03,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 05:03:03,482 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 05:03:03,483 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 05:03:03,483 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 05:03:03,484 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/array-tiling/pnr3.c [2022-12-14 05:03:06,071 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 05:03:06,243 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 05:03:06,243 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/sv-benchmarks/c/array-tiling/pnr3.c [2022-12-14 05:03:06,248 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/data/5f90869e6/b677bc58b38f4dd8b8f488b9ded554d0/FLAG96841760b [2022-12-14 05:03:06,648 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/data/5f90869e6/b677bc58b38f4dd8b8f488b9ded554d0 [2022-12-14 05:03:06,649 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 05:03:06,650 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 05:03:06,651 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 05:03:06,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 05:03:06,654 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 05:03:06,655 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:03:06" (1/1) ... [2022-12-14 05:03:06,656 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16b11abd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:03:06, skipping insertion in model container [2022-12-14 05:03:06,656 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:03:06" (1/1) ... [2022-12-14 05:03:06,661 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 05:03:06,674 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 05:03:06,786 WARN L237 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_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/sv-benchmarks/c/array-tiling/pnr3.c[395,408] [2022-12-14 05:03:06,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:03:06,815 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 05:03:06,827 WARN L237 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_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/sv-benchmarks/c/array-tiling/pnr3.c[395,408] [2022-12-14 05:03:06,836 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:03:06,848 INFO L208 MainTranslator]: Completed translation [2022-12-14 05:03:06,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:03:06 WrapperNode [2022-12-14 05:03:06,849 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 05:03:06,850 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 05:03:06,850 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 05:03:06,850 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 05:03:06,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:03:06" (1/1) ... [2022-12-14 05:03:06,864 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:03:06" (1/1) ... [2022-12-14 05:03:06,883 INFO L138 Inliner]: procedures = 17, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 114 [2022-12-14 05:03:06,883 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 05:03:06,884 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 05:03:06,884 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 05:03:06,884 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 05:03:06,892 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:03:06" (1/1) ... [2022-12-14 05:03:06,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:03:06" (1/1) ... [2022-12-14 05:03:06,895 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:03:06" (1/1) ... [2022-12-14 05:03:06,895 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:03:06" (1/1) ... [2022-12-14 05:03:06,900 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:03:06" (1/1) ... [2022-12-14 05:03:06,903 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:03:06" (1/1) ... [2022-12-14 05:03:06,904 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:03:06" (1/1) ... [2022-12-14 05:03:06,905 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:03:06" (1/1) ... [2022-12-14 05:03:06,907 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 05:03:06,908 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 05:03:06,908 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 05:03:06,908 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 05:03:06,909 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:03:06" (1/1) ... [2022-12-14 05:03:06,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:03:06,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:03:06,935 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 05:03:06,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 05:03:06,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 05:03:06,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 05:03:06,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 05:03:06,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 05:03:06,968 INFO L130 BoogieDeclarations]: Found specification of procedure ReadFromPort [2022-12-14 05:03:06,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadFromPort [2022-12-14 05:03:06,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 05:03:06,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 05:03:06,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 05:03:07,025 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 05:03:07,027 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 05:03:07,229 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 05:03:07,257 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 05:03:07,257 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 05:03:07,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:03:07 BoogieIcfgContainer [2022-12-14 05:03:07,259 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 05:03:07,262 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 05:03:07,262 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 05:03:07,265 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 05:03:07,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:03:06" (1/3) ... [2022-12-14 05:03:07,266 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@392f3ca4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:03:07, skipping insertion in model container [2022-12-14 05:03:07,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:03:06" (2/3) ... [2022-12-14 05:03:07,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@392f3ca4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:03:07, skipping insertion in model container [2022-12-14 05:03:07,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:03:07" (3/3) ... [2022-12-14 05:03:07,268 INFO L112 eAbstractionObserver]: Analyzing ICFG pnr3.c [2022-12-14 05:03:07,286 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 05:03:07,286 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2022-12-14 05:03:07,331 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 05:03:07,336 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;@4fe055af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 05:03:07,337 INFO L358 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2022-12-14 05:03:07,340 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) [2022-12-14 05:03:07,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 05:03:07,345 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:03:07,345 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 05:03:07,346 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)] === [2022-12-14 05:03:07,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:03:07,350 INFO L85 PathProgramCache]: Analyzing trace with hash 5552805, now seen corresponding path program 1 times [2022-12-14 05:03:07,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:03:07,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514159458] [2022-12-14 05:03:07,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:03:07,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:03:07,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:03:07,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:03:07,663 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:03:07,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514159458] [2022-12-14 05:03:07,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514159458] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:03:07,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:03:07,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:03:07,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021846086] [2022-12-14 05:03:07,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:03:07,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:03:07,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:03:07,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:03:07,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:03:07,695 INFO L87 Difference]: Start difference. First operand has 81 states, 46 states have (on average 1.826086956521739) internal successors, (84), 76 states have internal predecessors, (84), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 05:03:07,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:03:07,769 INFO L93 Difference]: Finished difference Result 95 states and 102 transitions. [2022-12-14 05:03:07,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:03:07,771 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-12-14 05:03:07,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:03:07,777 INFO L225 Difference]: With dead ends: 95 [2022-12-14 05:03:07,777 INFO L226 Difference]: Without dead ends: 77 [2022-12-14 05:03:07,779 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:03:07,781 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 161 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:03:07,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 78 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 05:03:07,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-12-14 05:03:07,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2022-12-14 05:03:07,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 44 states have (on average 1.75) internal successors, (77), 72 states have internal predecessors, (77), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 05:03:07,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 83 transitions. [2022-12-14 05:03:07,813 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 83 transitions. Word has length 4 [2022-12-14 05:03:07,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:03:07,813 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 83 transitions. [2022-12-14 05:03:07,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 05:03:07,814 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 83 transitions. [2022-12-14 05:03:07,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 05:03:07,814 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:03:07,814 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-14 05:03:07,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 05:03:07,814 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-12-14 05:03:07,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:03:07,815 INFO L85 PathProgramCache]: Analyzing trace with hash 172137011, now seen corresponding path program 1 times [2022-12-14 05:03:07,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:03:07,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996531600] [2022-12-14 05:03:07,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:03:07,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:03:07,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:03:07,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:03:07,953 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:03:07,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996531600] [2022-12-14 05:03:07,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996531600] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:03:07,953 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:03:07,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:03:07,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197990884] [2022-12-14 05:03:07,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:03:07,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:03:07,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:03:07,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:03:07,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:03:07,955 INFO L87 Difference]: Start difference. First operand 77 states and 83 transitions. Second operand has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 05:03:08,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:03:08,034 INFO L93 Difference]: Finished difference Result 77 states and 83 transitions. [2022-12-14 05:03:08,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 05:03:08,035 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-12-14 05:03:08,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:03:08,036 INFO L225 Difference]: With dead ends: 77 [2022-12-14 05:03:08,036 INFO L226 Difference]: Without dead ends: 76 [2022-12-14 05:03:08,036 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 [2022-12-14 05:03:08,038 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 221 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:03:08,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 73 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 05:03:08,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-12-14 05:03:08,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-12-14 05:03:08,046 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) [2022-12-14 05:03:08,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 82 transitions. [2022-12-14 05:03:08,048 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 82 transitions. Word has length 5 [2022-12-14 05:03:08,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:03:08,048 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 82 transitions. [2022-12-14 05:03:08,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 05:03:08,049 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 82 transitions. [2022-12-14 05:03:08,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 05:03:08,049 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:03:08,049 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:03:08,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 05:03:08,050 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-12-14 05:03:08,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:03:08,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1773058136, now seen corresponding path program 1 times [2022-12-14 05:03:08,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:03:08,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248638268] [2022-12-14 05:03:08,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:03:08,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:03:08,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:03:08,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:03:08,130 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:03:08,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248638268] [2022-12-14 05:03:08,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248638268] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:03:08,130 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:03:08,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:03:08,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164362103] [2022-12-14 05:03:08,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:03:08,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:03:08,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:03:08,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:03:08,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:03:08,132 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) [2022-12-14 05:03:08,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:03:08,213 INFO L93 Difference]: Finished difference Result 81 states and 87 transitions. [2022-12-14 05:03:08,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:03:08,214 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-12-14 05:03:08,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:03:08,215 INFO L225 Difference]: With dead ends: 81 [2022-12-14 05:03:08,215 INFO L226 Difference]: Without dead ends: 79 [2022-12-14 05:03:08,215 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 [2022-12-14 05:03:08,216 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 [2022-12-14 05:03:08,217 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] [2022-12-14 05:03:08,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2022-12-14 05:03:08,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2022-12-14 05:03:08,225 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) [2022-12-14 05:03:08,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 85 transitions. [2022-12-14 05:03:08,226 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 85 transitions. Word has length 9 [2022-12-14 05:03:08,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:03:08,227 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 85 transitions. [2022-12-14 05:03:08,227 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) [2022-12-14 05:03:08,227 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 85 transitions. [2022-12-14 05:03:08,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 05:03:08,227 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:03:08,228 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:03:08,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 05:03:08,228 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-12-14 05:03:08,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:03:08,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1071596128, now seen corresponding path program 1 times [2022-12-14 05:03:08,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:03:08,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728059261] [2022-12-14 05:03:08,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:03:08,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:03:08,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:03:08,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:03:08,273 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:03:08,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728059261] [2022-12-14 05:03:08,274 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728059261] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:03:08,274 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:03:08,274 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 05:03:08,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427080750] [2022-12-14 05:03:08,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:03:08,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:03:08,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:03:08,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:03:08,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:03:08,276 INFO L87 Difference]: Start difference. First operand 79 states and 85 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:03:08,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:03:08,379 INFO L93 Difference]: Finished difference Result 145 states and 158 transitions. [2022-12-14 05:03:08,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:03:08,380 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 [2022-12-14 05:03:08,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:03:08,381 INFO L225 Difference]: With dead ends: 145 [2022-12-14 05:03:08,381 INFO L226 Difference]: Without dead ends: 121 [2022-12-14 05:03:08,381 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 [2022-12-14 05:03:08,382 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, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 05:03:08,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 77 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 05:03:08,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2022-12-14 05:03:08,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 115. [2022-12-14 05:03:08,393 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) [2022-12-14 05:03:08,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 128 transitions. [2022-12-14 05:03:08,395 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 128 transitions. Word has length 12 [2022-12-14 05:03:08,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:03:08,396 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 128 transitions. [2022-12-14 05:03:08,397 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) [2022-12-14 05:03:08,397 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 128 transitions. [2022-12-14 05:03:08,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 05:03:08,397 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:03:08,398 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:03:08,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 05:03:08,398 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-12-14 05:03:08,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:03:08,399 INFO L85 PathProgramCache]: Analyzing trace with hash -1666958657, now seen corresponding path program 1 times [2022-12-14 05:03:08,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:03:08,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851653018] [2022-12-14 05:03:08,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:03:08,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:03:08,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:03:08,519 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 05:03:08,519 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:03:08,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851653018] [2022-12-14 05:03:08,520 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851653018] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:03:08,520 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:03:08,520 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:03:08,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798401713] [2022-12-14 05:03:08,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:03:08,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:03:08,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:03:08,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:03:08,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:03:08,521 INFO L87 Difference]: Start difference. First operand 115 states and 128 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 05:03:08,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:03:08,644 INFO L93 Difference]: Finished difference Result 129 states and 142 transitions. [2022-12-14 05:03:08,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:03:08,644 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-12-14 05:03:08,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:03:08,645 INFO L225 Difference]: With dead ends: 129 [2022-12-14 05:03:08,645 INFO L226 Difference]: Without dead ends: 120 [2022-12-14 05:03:08,646 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:03:08,647 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 118 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 05:03:08,647 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 64 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 05:03:08,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2022-12-14 05:03:08,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 115. [2022-12-14 05:03:08,656 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) [2022-12-14 05:03:08,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 127 transitions. [2022-12-14 05:03:08,657 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 127 transitions. Word has length 12 [2022-12-14 05:03:08,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:03:08,658 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 127 transitions. [2022-12-14 05:03:08,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 05:03:08,658 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 127 transitions. [2022-12-14 05:03:08,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 05:03:08,659 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:03:08,659 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] [2022-12-14 05:03:08,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 05:03:08,659 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-12-14 05:03:08,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:03:08,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1717549988, now seen corresponding path program 1 times [2022-12-14 05:03:08,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:03:08,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529966142] [2022-12-14 05:03:08,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:03:08,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:03:08,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:03:08,736 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 05:03:08,736 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:03:08,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529966142] [2022-12-14 05:03:08,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529966142] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:03:08,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:03:08,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:03:08,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967383833] [2022-12-14 05:03:08,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:03:08,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:03:08,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:03:08,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:03:08,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:03:08,738 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) [2022-12-14 05:03:08,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:03:08,831 INFO L93 Difference]: Finished difference Result 120 states and 132 transitions. [2022-12-14 05:03:08,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:03:08,832 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 [2022-12-14 05:03:08,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:03:08,832 INFO L225 Difference]: With dead ends: 120 [2022-12-14 05:03:08,832 INFO L226 Difference]: Without dead ends: 118 [2022-12-14 05:03:08,833 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 [2022-12-14 05:03:08,833 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 [2022-12-14 05:03:08,833 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] [2022-12-14 05:03:08,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2022-12-14 05:03:08,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2022-12-14 05:03:08,839 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) [2022-12-14 05:03:08,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 130 transitions. [2022-12-14 05:03:08,840 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 130 transitions. Word has length 35 [2022-12-14 05:03:08,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:03:08,840 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 130 transitions. [2022-12-14 05:03:08,840 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) [2022-12-14 05:03:08,840 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 130 transitions. [2022-12-14 05:03:08,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-14 05:03:08,841 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:03:08,841 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] [2022-12-14 05:03:08,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 05:03:08,841 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-12-14 05:03:08,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:03:08,842 INFO L85 PathProgramCache]: Analyzing trace with hash 763617355, now seen corresponding path program 1 times [2022-12-14 05:03:08,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:03:08,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462507370] [2022-12-14 05:03:08,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:03:08,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:03:08,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:03:08,907 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 05:03:08,907 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:03:08,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462507370] [2022-12-14 05:03:08,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462507370] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 05:03:08,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1847538803] [2022-12-14 05:03:08,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:03:08,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:03:08,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:03:08,909 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:03:08,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 05:03:08,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:03:08,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 05:03:08,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:03:09,060 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 05:03:09,061 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:03:09,061 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1847538803] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:03:09,061 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 05:03:09,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-12-14 05:03:09,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019010762] [2022-12-14 05:03:09,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:03:09,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:03:09,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:03:09,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:03:09,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-14 05:03:09,063 INFO L87 Difference]: Start difference. First operand 118 states and 130 transitions. Second operand has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-14 05:03:09,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:03:09,188 INFO L93 Difference]: Finished difference Result 118 states and 130 transitions. [2022-12-14 05:03:09,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 05:03:09,188 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 45 [2022-12-14 05:03:09,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:03:09,190 INFO L225 Difference]: With dead ends: 118 [2022-12-14 05:03:09,190 INFO L226 Difference]: Without dead ends: 105 [2022-12-14 05:03:09,190 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-12-14 05:03:09,191 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 79 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 05:03:09,191 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 100 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 05:03:09,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2022-12-14 05:03:09,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2022-12-14 05:03:09,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 83 states have (on average 1.2650602409638554) internal successors, (105), 97 states have internal predecessors, (105), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-12-14 05:03:09,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 117 transitions. [2022-12-14 05:03:09,202 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 117 transitions. Word has length 45 [2022-12-14 05:03:09,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:03:09,203 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 117 transitions. [2022-12-14 05:03:09,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-14 05:03:09,203 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 117 transitions. [2022-12-14 05:03:09,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-14 05:03:09,205 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:03:09,205 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] [2022-12-14 05:03:09,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 05:03:09,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:03:09,407 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)] === [2022-12-14 05:03:09,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:03:09,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1974937430, now seen corresponding path program 1 times [2022-12-14 05:03:09,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:03:09,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127584665] [2022-12-14 05:03:09,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:03:09,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:03:09,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:03:09,624 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 05:03:09,625 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:03:09,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127584665] [2022-12-14 05:03:09,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127584665] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 05:03:09,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1359704899] [2022-12-14 05:03:09,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:03:09,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:03:09,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:03:09,626 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:03:09,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 05:03:09,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:03:09,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 05:03:09,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:03:09,716 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 05:03:09,717 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:03:09,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1359704899] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:03:09,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 05:03:09,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-12-14 05:03:09,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837389861] [2022-12-14 05:03:09,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:03:09,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 05:03:09,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:03:09,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 05:03:09,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-14 05:03:09,718 INFO L87 Difference]: Start difference. First operand 105 states and 117 transitions. Second operand has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-14 05:03:09,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:03:09,810 INFO L93 Difference]: Finished difference Result 105 states and 117 transitions. [2022-12-14 05:03:09,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 05:03:09,811 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 45 [2022-12-14 05:03:09,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:03:09,812 INFO L225 Difference]: With dead ends: 105 [2022-12-14 05:03:09,812 INFO L226 Difference]: Without dead ends: 104 [2022-12-14 05:03:09,812 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-12-14 05:03:09,813 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 85 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 05:03:09,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 95 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 05:03:09,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2022-12-14 05:03:09,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2022-12-14 05:03:09,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 83 states have (on average 1.2530120481927711) internal successors, (104), 96 states have internal predecessors, (104), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-12-14 05:03:09,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 116 transitions. [2022-12-14 05:03:09,823 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 116 transitions. Word has length 45 [2022-12-14 05:03:09,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:03:09,823 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 116 transitions. [2022-12-14 05:03:09,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-14 05:03:09,824 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 116 transitions. [2022-12-14 05:03:09,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-14 05:03:09,825 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:03:09,825 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:03:09,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-12-14 05:03:10,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-12-14 05:03:10,026 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-12-14 05:03:10,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:03:10,027 INFO L85 PathProgramCache]: Analyzing trace with hash -2097665701, now seen corresponding path program 1 times [2022-12-14 05:03:10,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:03:10,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640658810] [2022-12-14 05:03:10,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:03:10,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:03:10,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:03:10,085 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 05:03:10,085 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:03:10,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640658810] [2022-12-14 05:03:10,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640658810] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 05:03:10,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1267861103] [2022-12-14 05:03:10,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:03:10,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:03:10,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:03:10,086 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:03:10,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 05:03:10,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:03:10,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 05:03:10,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:03:10,200 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 05:03:10,200 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:03:10,266 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 05:03:10,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1267861103] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 05:03:10,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2103131883] [2022-12-14 05:03:10,285 INFO L159 IcfgInterpreter]: Started Sifa with 33 locations of interest [2022-12-14 05:03:10,285 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 05:03:10,288 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 05:03:10,294 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 05:03:10,294 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 05:03:10,449 INFO L321 Elim1Store]: treesize reduction 42, result has 40.0 percent of original size [2022-12-14 05:03:10,450 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 [2022-12-14 05:03:10,501 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-12-14 05:03:10,502 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 [2022-12-14 05:03:10,707 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 [2022-12-14 05:03:10,900 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 [2022-12-14 05:03:11,138 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 [2022-12-14 05:03:12,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:12,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:12,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:12,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:12,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:12,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:12,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:12,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:12,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:12,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:12,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:12,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:12,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:12,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:12,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:12,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:12,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:12,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:12,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:12,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:12,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:12,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:12,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:12,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:12,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:12,327 INFO L321 Elim1Store]: treesize reduction 112, result has 11.8 percent of original size [2022-12-14 05:03:12,328 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 [2022-12-14 05:03:13,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:13,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:13,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:13,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:13,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:13,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:13,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:13,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:13,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:13,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:13,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:13,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:13,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:13,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:13,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:13,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:13,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:13,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:13,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:13,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:13,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:13,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:13,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:13,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:13,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:13,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:13,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:13,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:13,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:13,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:13,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:13,463 INFO L321 Elim1Store]: treesize reduction 113, result has 5.8 percent of original size [2022-12-14 05:03:13,463 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 [2022-12-14 05:03:14,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:14,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:14,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:14,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:14,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:14,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:14,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:14,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:14,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:14,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:14,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:14,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:14,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:14,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:14,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:14,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:14,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:14,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:14,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:14,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:14,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:14,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:14,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:14,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:14,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:14,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:14,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:14,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:14,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:14,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:14,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:14,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:14,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:14,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:14,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:14,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:14,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:14,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:14,977 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-12-14 05:03:14,977 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 [2022-12-14 05:03:15,362 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 [2022-12-14 05:03:15,402 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 [2022-12-14 05:03:15,446 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:03:15,447 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 [2022-12-14 05:03:15,501 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 [2022-12-14 05:03:15,558 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 [2022-12-14 05:03:15,638 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:03:15,638 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 [2022-12-14 05:03:15,818 INFO L197 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 15 for LOIs [2022-12-14 05:03:15,820 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 05:03:17,760 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2497#(and (= |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|) (< 2147483647 (* 3 |ULTIMATE.start_main_~i~0#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 [2022-12-14 05:03:17,760 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 05:03:17,761 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 05:03:17,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2022-12-14 05:03:17,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957892883] [2022-12-14 05:03:17,761 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 05:03:17,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 05:03:17,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:03:17,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 05:03:17,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=765, Unknown=0, NotChecked=0, Total=930 [2022-12-14 05:03:17,763 INFO L87 Difference]: Start difference. First operand 104 states and 116 transitions. Second operand has 10 states, 9 states have (on average 10.222222222222221) internal successors, (92), 10 states have internal predecessors, (92), 5 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2022-12-14 05:03:17,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:03:17,890 INFO L93 Difference]: Finished difference Result 158 states and 192 transitions. [2022-12-14 05:03:17,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 05:03:17,891 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 10.222222222222221) internal successors, (92), 10 states have internal predecessors, (92), 5 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 46 [2022-12-14 05:03:17,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:03:17,892 INFO L225 Difference]: With dead ends: 158 [2022-12-14 05:03:17,892 INFO L226 Difference]: Without dead ends: 145 [2022-12-14 05:03:17,893 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 103 SyntacticMatches, 8 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=182, Invalid=874, Unknown=0, NotChecked=0, Total=1056 [2022-12-14 05:03:17,894 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 139 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 05:03:17,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 106 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 05:03:17,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2022-12-14 05:03:17,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 143. [2022-12-14 05:03:17,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 128 states have (on average 1.1328125) internal successors, (145), 131 states have internal predecessors, (145), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-12-14 05:03:17,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 165 transitions. [2022-12-14 05:03:17,904 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 165 transitions. Word has length 46 [2022-12-14 05:03:17,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:03:17,904 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 165 transitions. [2022-12-14 05:03:17,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 10.222222222222221) internal successors, (92), 10 states have internal predecessors, (92), 5 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2022-12-14 05:03:17,904 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 165 transitions. [2022-12-14 05:03:17,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-14 05:03:17,906 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:03:17,906 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:03:17,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 05:03:18,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:03:18,107 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-12-14 05:03:18,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:03:18,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1093518021, now seen corresponding path program 1 times [2022-12-14 05:03:18,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:03:18,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671869503] [2022-12-14 05:03:18,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:03:18,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:03:18,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:03:18,208 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 05:03:18,208 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:03:18,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671869503] [2022-12-14 05:03:18,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671869503] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 05:03:18,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1082341556] [2022-12-14 05:03:18,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:03:18,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:03:18,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:03:18,210 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:03:18,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 05:03:18,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:03:18,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 05:03:18,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:03:18,280 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 05:03:18,280 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:03:18,309 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 05:03:18,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1082341556] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 05:03:18,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1153622088] [2022-12-14 05:03:18,312 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2022-12-14 05:03:18,312 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 05:03:18,312 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 05:03:18,312 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 05:03:18,313 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 05:03:18,367 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-12-14 05:03:18,367 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 [2022-12-14 05:03:18,378 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 [2022-12-14 05:03:18,518 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 [2022-12-14 05:03:18,705 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 [2022-12-14 05:03:18,888 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 [2022-12-14 05:03:19,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:19,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:19,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:19,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:19,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:19,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:19,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:19,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:19,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:19,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:19,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:19,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:19,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:19,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:19,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:19,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:19,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:19,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:19,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:19,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:19,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:19,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:19,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:19,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:19,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:19,911 INFO L321 Elim1Store]: treesize reduction 112, result has 11.8 percent of original size [2022-12-14 05:03:19,912 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 [2022-12-14 05:03:21,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:21,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:21,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:21,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:21,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:21,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:21,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:21,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:21,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:21,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:21,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:21,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:21,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:21,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:21,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:21,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:21,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:21,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:21,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:21,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:21,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:21,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:21,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:21,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:21,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:21,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:21,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:21,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:21,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:21,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:21,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:21,116 INFO L321 Elim1Store]: treesize reduction 113, result has 5.8 percent of original size [2022-12-14 05:03:21,117 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 [2022-12-14 05:03:22,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:22,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:22,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:22,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:22,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:22,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:22,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:22,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:22,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:22,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:22,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:22,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:22,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:22,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:22,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:22,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:22,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:22,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:22,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:22,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:22,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:22,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:22,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:22,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:22,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:22,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:22,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:22,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:22,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:22,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:22,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:22,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:22,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:22,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:22,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:22,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:22,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:22,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:22,232 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-12-14 05:03:22,233 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 [2022-12-14 05:03:22,516 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 [2022-12-14 05:03:22,552 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 [2022-12-14 05:03:22,601 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:03:22,601 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 [2022-12-14 05:03:22,644 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 [2022-12-14 05:03:22,689 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 [2022-12-14 05:03:22,745 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:03:22,746 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 [2022-12-14 05:03:22,898 INFO L197 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 15 for LOIs [2022-12-14 05:03:22,900 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 05:03:25,504 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1153622088] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:03:25,504 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 05:03:25,504 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [5, 5, 5] total 34 [2022-12-14 05:03:25,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377552798] [2022-12-14 05:03:25,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:03:25,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-12-14 05:03:25,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:03:25,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-12-14 05:03:25,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=217, Invalid=973, Unknown=0, NotChecked=0, Total=1190 [2022-12-14 05:03:25,506 INFO L87 Difference]: Start difference. First operand 143 states and 165 transitions. Second operand has 25 states, 20 states have (on average 1.7) internal successors, (34), 20 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 05:03:33,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:03:33,713 INFO L93 Difference]: Finished difference Result 397 states and 457 transitions. [2022-12-14 05:03:33,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-12-14 05:03:33,714 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 20 states have (on average 1.7) internal successors, (34), 20 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 46 [2022-12-14 05:03:33,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:03:33,715 INFO L225 Difference]: With dead ends: 397 [2022-12-14 05:03:33,715 INFO L226 Difference]: Without dead ends: 388 [2022-12-14 05:03:33,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 98 SyntacticMatches, 10 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1252 ImplicationChecksByTransitivity, 9.4s TimeCoverageRelationStatistics Valid=662, Invalid=2998, Unknown=0, NotChecked=0, Total=3660 [2022-12-14 05:03:33,716 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 206 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 1161 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 1237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 1161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-14 05:03:33,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 130 Invalid, 1237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 1161 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-14 05:03:33,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2022-12-14 05:03:33,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 222. [2022-12-14 05:03:33,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 198 states have (on average 1.1363636363636365) internal successors, (225), 201 states have internal predecessors, (225), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2022-12-14 05:03:33,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 263 transitions. [2022-12-14 05:03:33,744 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 263 transitions. Word has length 46 [2022-12-14 05:03:33,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:03:33,744 INFO L495 AbstractCegarLoop]: Abstraction has 222 states and 263 transitions. [2022-12-14 05:03:33,744 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) [2022-12-14 05:03:33,744 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 263 transitions. [2022-12-14 05:03:33,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-14 05:03:33,746 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:03:33,746 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:03:33,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 05:03:33,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:03:33,947 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-12-14 05:03:33,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:03:33,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1206489103, now seen corresponding path program 1 times [2022-12-14 05:03:33,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:03:33,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851763500] [2022-12-14 05:03:33,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:03:33,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:03:33,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:03:34,049 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 05:03:34,049 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:03:34,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851763500] [2022-12-14 05:03:34,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851763500] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 05:03:34,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1742876325] [2022-12-14 05:03:34,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:03:34,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:03:34,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:03:34,050 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:03:34,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 05:03:34,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:03:34,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 05:03:34,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:03:34,122 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 05:03:34,122 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:03:34,152 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 05:03:34,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1742876325] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 05:03:34,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [277319620] [2022-12-14 05:03:34,155 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2022-12-14 05:03:34,155 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 05:03:34,156 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 05:03:34,156 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 05:03:34,156 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 05:03:34,228 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-12-14 05:03:34,228 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 [2022-12-14 05:03:34,238 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 [2022-12-14 05:03:34,368 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 [2022-12-14 05:03:34,502 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 [2022-12-14 05:03:34,652 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 [2022-12-14 05:03:34,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:34,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:34,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:34,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:34,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:34,874 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 122 treesize of output 146 [2022-12-14 05:03:35,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:35,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:35,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:35,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:35,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:35,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:35,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:35,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:35,038 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 161 treesize of output 170 [2022-12-14 05:03:35,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:35,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:35,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:35,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:35,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:35,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:35,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:35,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:35,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:35,333 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:03:35,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:35,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:35,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:35,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:35,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:35,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:35,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:35,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:35,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:35,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:35,340 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:03:35,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:35,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:35,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:35,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:35,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:35,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:35,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:35,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:35,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:35,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:35,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:35,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:35,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:35,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:35,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:35,371 INFO L321 Elim1Store]: treesize reduction 109, result has 12.1 percent of original size [2022-12-14 05:03:35,372 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 56 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 56 case distinctions, treesize of input 742 treesize of output 688 [2022-12-14 05:03:37,220 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 [2022-12-14 05:03:37,378 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 154 treesize of output 108 [2022-12-14 05:03:37,564 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 [2022-12-14 05:03:37,732 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 [2022-12-14 05:03:37,911 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:03:37,912 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 [2022-12-14 05:03:38,140 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 [2022-12-14 05:03:38,365 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 [2022-12-14 05:03:38,510 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 [2022-12-14 05:03:38,741 INFO L197 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 15 for LOIs [2022-12-14 05:03:38,743 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 05:03:41,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [277319620] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:03:41,469 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 05:03:41,469 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [5, 5, 5] total 34 [2022-12-14 05:03:41,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572041618] [2022-12-14 05:03:41,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:03:41,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-12-14 05:03:41,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:03:41,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-12-14 05:03:41,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=219, Invalid=971, Unknown=0, NotChecked=0, Total=1190 [2022-12-14 05:03:41,471 INFO L87 Difference]: Start difference. First operand 222 states and 263 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) [2022-12-14 05:03:49,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:03:49,083 INFO L93 Difference]: Finished difference Result 387 states and 454 transitions. [2022-12-14 05:03:49,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-12-14 05:03:49,083 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 46 [2022-12-14 05:03:49,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:03:49,085 INFO L225 Difference]: With dead ends: 387 [2022-12-14 05:03:49,085 INFO L226 Difference]: Without dead ends: 378 [2022-12-14 05:03:49,085 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 93 SyntacticMatches, 15 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1416 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=722, Invalid=3184, Unknown=0, NotChecked=0, Total=3906 [2022-12-14 05:03:49,086 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 358 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 877 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 984 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:03:49,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [361 Valid, 67 Invalid, 984 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 877 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-14 05:03:49,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2022-12-14 05:03:49,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 305. [2022-12-14 05:03:49,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 274 states have (on average 1.1313868613138687) internal successors, (310), 277 states have internal predecessors, (310), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2022-12-14 05:03:49,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 362 transitions. [2022-12-14 05:03:49,111 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 362 transitions. Word has length 46 [2022-12-14 05:03:49,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:03:49,111 INFO L495 AbstractCegarLoop]: Abstraction has 305 states and 362 transitions. [2022-12-14 05:03:49,111 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) [2022-12-14 05:03:49,111 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 362 transitions. [2022-12-14 05:03:49,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-14 05:03:49,112 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:03:49,112 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:03:49,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-14 05:03:49,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-12-14 05:03:49,313 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-12-14 05:03:49,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:03:49,314 INFO L85 PathProgramCache]: Analyzing trace with hash -2025340111, now seen corresponding path program 1 times [2022-12-14 05:03:49,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:03:49,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100862719] [2022-12-14 05:03:49,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:03:49,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:03:49,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:03:49,413 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 05:03:49,413 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:03:49,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100862719] [2022-12-14 05:03:49,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100862719] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 05:03:49,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1705677239] [2022-12-14 05:03:49,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:03:49,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:03:49,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:03:49,414 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:03:49,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 05:03:49,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:03:49,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 05:03:49,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:03:49,486 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 05:03:49,486 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:03:49,515 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 05:03:49,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1705677239] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 05:03:49,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [860555767] [2022-12-14 05:03:49,518 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2022-12-14 05:03:49,518 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 05:03:49,518 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 05:03:49,518 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 05:03:49,518 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 05:03:49,570 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-12-14 05:03:49,570 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 [2022-12-14 05:03:49,581 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 [2022-12-14 05:03:49,704 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 [2022-12-14 05:03:49,841 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 [2022-12-14 05:03:49,971 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 [2022-12-14 05:03:50,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:50,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:50,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:50,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:50,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:50,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:50,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:50,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:50,737 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:03:50,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:50,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:50,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:50,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:50,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:50,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:50,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:50,742 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:03:50,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:50,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:50,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:50,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:50,772 INFO L321 Elim1Store]: treesize reduction 102, result has 21.5 percent of original size [2022-12-14 05:03:50,772 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 [2022-12-14 05:03:52,043 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 [2022-12-14 05:03:52,081 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 [2022-12-14 05:03:52,128 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 [2022-12-14 05:03:52,159 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 [2022-12-14 05:03:52,206 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:03:52,207 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 [2022-12-14 05:03:52,260 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 [2022-12-14 05:03:52,304 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 [2022-12-14 05:03:52,360 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:03:52,360 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 [2022-12-14 05:03:52,541 INFO L197 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 15 for LOIs [2022-12-14 05:03:52,543 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 05:03:54,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [860555767] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:03:54,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 05:03:54,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [5, 5, 5] total 34 [2022-12-14 05:03:54,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326824759] [2022-12-14 05:03:54,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:03:54,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-12-14 05:03:54,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:03:54,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-12-14 05:03:54,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=230, Invalid=960, Unknown=0, NotChecked=0, Total=1190 [2022-12-14 05:03:54,825 INFO L87 Difference]: Start difference. First operand 305 states and 362 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) [2022-12-14 05:04:02,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:04:02,545 INFO L93 Difference]: Finished difference Result 500 states and 589 transitions. [2022-12-14 05:04:02,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-12-14 05:04:02,545 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 20 states have (on average 1.7) internal successors, (34), 20 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 46 [2022-12-14 05:04:02,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:04:02,546 INFO L225 Difference]: With dead ends: 500 [2022-12-14 05:04:02,547 INFO L226 Difference]: Without dead ends: 491 [2022-12-14 05:04:02,547 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 98 SyntacticMatches, 10 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1208 ImplicationChecksByTransitivity, 8.8s TimeCoverageRelationStatistics Valid=676, Invalid=2864, Unknown=0, NotChecked=0, Total=3540 [2022-12-14 05:04:02,548 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 151 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 991 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 1056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 991 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-14 05:04:02,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 83 Invalid, 1056 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 991 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-14 05:04:02,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2022-12-14 05:04:02,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 317. [2022-12-14 05:04:02,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 286 states have (on average 1.1258741258741258) internal successors, (322), 289 states have internal predecessors, (322), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2022-12-14 05:04:02,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 374 transitions. [2022-12-14 05:04:02,579 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 374 transitions. Word has length 46 [2022-12-14 05:04:02,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:04:02,579 INFO L495 AbstractCegarLoop]: Abstraction has 317 states and 374 transitions. [2022-12-14 05:04:02,579 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) [2022-12-14 05:04:02,579 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 374 transitions. [2022-12-14 05:04:02,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-14 05:04:02,580 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:04:02,580 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:04:02,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-14 05:04:02,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-12-14 05:04:02,782 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-12-14 05:04:02,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:04:02,783 INFO L85 PathProgramCache]: Analyzing trace with hash -313561487, now seen corresponding path program 1 times [2022-12-14 05:04:02,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:04:02,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477724763] [2022-12-14 05:04:02,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:04:02,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:04:02,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:04:02,840 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 05:04:02,841 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:04:02,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477724763] [2022-12-14 05:04:02,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477724763] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 05:04:02,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [978913829] [2022-12-14 05:04:02,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:04:02,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:04:02,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:04:02,842 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:04:02,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-14 05:04:02,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:04:02,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 05:04:02,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:04:02,905 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 05:04:02,906 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:04:02,930 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 05:04:02,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [978913829] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 05:04:02,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1106805702] [2022-12-14 05:04:02,932 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2022-12-14 05:04:02,932 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 05:04:02,933 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 05:04:02,934 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 05:04:02,934 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 05:04:02,982 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-12-14 05:04:02,982 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 [2022-12-14 05:04:02,990 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 [2022-12-14 05:04:03,099 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 [2022-12-14 05:04:03,210 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 [2022-12-14 05:04:03,325 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 [2022-12-14 05:04:03,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:03,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:03,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:03,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:03,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:03,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:03,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:03,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:03,519 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:04:03,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:03,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:03,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:03,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:03,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:03,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:03,523 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:04:03,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:03,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:03,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:03,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:03,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:03,548 INFO L321 Elim1Store]: treesize reduction 102, result has 21.5 percent of original size [2022-12-14 05:04:03,548 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 654 treesize of output 644 [2022-12-14 05:04:04,319 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 [2022-12-14 05:04:04,439 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 97 treesize of output 87 [2022-12-14 05:04:04,661 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 [2022-12-14 05:04:04,693 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 29 treesize of output 28 [2022-12-14 05:04:04,733 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:04:04,733 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 41 treesize of output 43 [2022-12-14 05:04:04,794 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 [2022-12-14 05:04:04,837 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 29 treesize of output 28 [2022-12-14 05:04:04,889 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:04:04,889 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 41 treesize of output 43 [2022-12-14 05:04:05,190 INFO L197 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 15 for LOIs [2022-12-14 05:04:05,191 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 05:04:07,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1106805702] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:04:07,446 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 05:04:07,446 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [5, 5, 5] total 35 [2022-12-14 05:04:07,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100879841] [2022-12-14 05:04:07,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:04:07,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-12-14 05:04:07,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:04:07,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-12-14 05:04:07,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=237, Invalid=1023, Unknown=0, NotChecked=0, Total=1260 [2022-12-14 05:04:07,447 INFO L87 Difference]: Start difference. First operand 317 states and 374 transitions. Second operand has 26 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 21 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) [2022-12-14 05:04:15,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:04:15,184 INFO L93 Difference]: Finished difference Result 547 states and 638 transitions. [2022-12-14 05:04:15,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-12-14 05:04:15,185 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 21 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 46 [2022-12-14 05:04:15,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:04:15,186 INFO L225 Difference]: With dead ends: 547 [2022-12-14 05:04:15,186 INFO L226 Difference]: Without dead ends: 538 [2022-12-14 05:04:15,187 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 95 SyntacticMatches, 12 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1345 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=681, Invalid=3101, Unknown=0, NotChecked=0, Total=3782 [2022-12-14 05:04:15,187 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 223 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 1214 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 1289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 1214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-14 05:04:15,187 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 113 Invalid, 1289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 1214 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-14 05:04:15,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2022-12-14 05:04:15,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 389. [2022-12-14 05:04:15,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 350 states have (on average 1.1285714285714286) internal successors, (395), 353 states have internal predecessors, (395), 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) [2022-12-14 05:04:15,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 463 transitions. [2022-12-14 05:04:15,224 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 463 transitions. Word has length 46 [2022-12-14 05:04:15,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:04:15,225 INFO L495 AbstractCegarLoop]: Abstraction has 389 states and 463 transitions. [2022-12-14 05:04:15,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 21 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) [2022-12-14 05:04:15,225 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 463 transitions. [2022-12-14 05:04:15,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-14 05:04:15,225 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:04:15,225 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:04:15,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-14 05:04:15,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:04:15,427 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-12-14 05:04:15,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:04:15,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1245383577, now seen corresponding path program 1 times [2022-12-14 05:04:15,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:04:15,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080253629] [2022-12-14 05:04:15,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:04:15,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:04:15,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:04:15,492 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 05:04:15,492 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:04:15,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080253629] [2022-12-14 05:04:15,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080253629] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 05:04:15,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1460508995] [2022-12-14 05:04:15,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:04:15,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:04:15,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:04:15,494 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:04:15,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-14 05:04:15,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:04:15,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 05:04:15,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:04:15,555 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 05:04:15,555 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:04:15,582 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 05:04:15,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1460508995] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 05:04:15,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1251087294] [2022-12-14 05:04:15,584 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2022-12-14 05:04:15,584 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 05:04:15,584 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 05:04:15,584 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 05:04:15,585 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 05:04:15,641 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-12-14 05:04:15,641 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 [2022-12-14 05:04:15,650 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 [2022-12-14 05:04:15,760 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 [2022-12-14 05:04:15,867 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 [2022-12-14 05:04:15,986 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 [2022-12-14 05:04:16,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:16,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:16,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:16,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:16,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:16,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:16,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:16,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:16,207 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:04:16,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:16,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:16,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:16,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:16,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:16,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:16,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:16,211 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:04:16,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:16,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:16,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:16,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:16,235 INFO L321 Elim1Store]: treesize reduction 102, result has 21.5 percent of original size [2022-12-14 05:04:16,235 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 675 treesize of output 653 [2022-12-14 05:04:17,605 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 [2022-12-14 05:04:17,759 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 154 treesize of output 108 [2022-12-14 05:04:18,008 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 [2022-12-14 05:04:18,040 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 [2022-12-14 05:04:18,084 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:04:18,085 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 [2022-12-14 05:04:18,156 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 [2022-12-14 05:04:18,203 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 [2022-12-14 05:04:18,257 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:04:18,257 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 [2022-12-14 05:04:18,543 INFO L197 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 15 for LOIs [2022-12-14 05:04:18,544 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 05:04:21,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1251087294] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:04:21,219 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 05:04:21,219 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [5, 5, 5] total 36 [2022-12-14 05:04:21,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315666149] [2022-12-14 05:04:21,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:04:21,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-12-14 05:04:21,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:04:21,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-12-14 05:04:21,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=245, Invalid=1087, Unknown=0, NotChecked=0, Total=1332 [2022-12-14 05:04:21,221 INFO L87 Difference]: Start difference. First operand 389 states and 463 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) [2022-12-14 05:04:29,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:04:29,268 INFO L93 Difference]: Finished difference Result 560 states and 661 transitions. [2022-12-14 05:04:29,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-12-14 05:04:29,269 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 46 [2022-12-14 05:04:29,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:04:29,270 INFO L225 Difference]: With dead ends: 560 [2022-12-14 05:04:29,270 INFO L226 Difference]: Without dead ends: 551 [2022-12-14 05:04:29,271 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 95 SyntacticMatches, 11 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1478 ImplicationChecksByTransitivity, 9.4s TimeCoverageRelationStatistics Valid=755, Invalid=3535, Unknown=0, NotChecked=0, Total=4290 [2022-12-14 05:04:29,271 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 295 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 1127 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 1230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 1127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-14 05:04:29,271 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 105 Invalid, 1230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 1127 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-14 05:04:29,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2022-12-14 05:04:29,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 381. [2022-12-14 05:04:29,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 344 states have (on average 1.122093023255814) internal successors, (386), 347 states have internal predecessors, (386), 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) [2022-12-14 05:04:29,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 450 transitions. [2022-12-14 05:04:29,310 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 450 transitions. Word has length 46 [2022-12-14 05:04:29,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:04:29,310 INFO L495 AbstractCegarLoop]: Abstraction has 381 states and 450 transitions. [2022-12-14 05:04:29,310 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) [2022-12-14 05:04:29,310 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 450 transitions. [2022-12-14 05:04:29,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-12-14 05:04:29,311 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:04:29,311 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:04:29,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-14 05:04:29,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-12-14 05:04:29,511 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-12-14 05:04:29,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:04:29,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1823747300, now seen corresponding path program 1 times [2022-12-14 05:04:29,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:04:29,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27658009] [2022-12-14 05:04:29,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:04:29,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:04:29,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:04:29,579 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-12-14 05:04:29,579 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:04:29,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27658009] [2022-12-14 05:04:29,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27658009] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 05:04:29,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1669441184] [2022-12-14 05:04:29,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:04:29,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:04:29,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:04:29,581 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:04:29,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-14 05:04:29,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:04:29,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 05:04:29,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:04:29,665 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-12-14 05:04:29,665 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:04:29,701 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-12-14 05:04:29,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1669441184] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 05:04:29,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [423867212] [2022-12-14 05:04:29,703 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-12-14 05:04:29,703 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 05:04:29,704 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 05:04:29,704 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 05:04:29,704 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 05:04:29,774 INFO L321 Elim1Store]: treesize reduction 42, result has 40.0 percent of original size [2022-12-14 05:04:29,775 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 [2022-12-14 05:04:29,813 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-12-14 05:04:29,813 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 [2022-12-14 05:04:29,929 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 [2022-12-14 05:04:30,055 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 [2022-12-14 05:04:30,182 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 [2022-12-14 05:04:31,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:31,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:31,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:31,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:31,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:31,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:31,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:31,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:31,017 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:04:31,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:31,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:31,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:31,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:31,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:31,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:31,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:31,022 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:04:31,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:31,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:31,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:31,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:31,046 INFO L321 Elim1Store]: treesize reduction 102, result has 21.5 percent of original size [2022-12-14 05:04:31,046 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 [2022-12-14 05:04:32,238 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 [2022-12-14 05:04:32,267 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 [2022-12-14 05:04:32,307 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 [2022-12-14 05:04:32,339 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 [2022-12-14 05:04:32,381 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:04:32,381 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 [2022-12-14 05:04:32,424 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 [2022-12-14 05:04:32,456 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 [2022-12-14 05:04:32,498 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:04:32,499 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 [2022-12-14 05:04:32,569 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:04:32,569 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 [2022-12-14 05:04:32,627 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:04:32,628 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 [2022-12-14 05:04:32,692 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:04:32,692 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 [2022-12-14 05:04:33,032 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:04:33,033 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 [2022-12-14 05:04:33,414 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:04:33,414 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 [2022-12-14 05:04:33,758 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:04:33,759 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 [2022-12-14 05:04:33,881 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 [2022-12-14 05:04:33,915 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 [2022-12-14 05:04:33,957 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:04:33,957 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 [2022-12-14 05:04:33,993 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 [2022-12-14 05:04:34,032 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 [2022-12-14 05:04:34,081 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:04:34,081 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 [2022-12-14 05:04:34,153 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:04:34,153 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 [2022-12-14 05:04:34,212 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:04:34,212 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 [2022-12-14 05:04:34,274 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:04:34,274 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 [2022-12-14 05:04:34,583 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:04:34,583 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 [2022-12-14 05:04:34,886 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:04:34,887 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 [2022-12-14 05:04:35,224 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:04:35,224 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 [2022-12-14 05:04:35,346 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 [2022-12-14 05:04:35,384 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 [2022-12-14 05:04:35,422 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:04:35,422 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 [2022-12-14 05:04:35,546 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 [2022-12-14 05:04:35,594 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 [2022-12-14 05:04:35,646 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:04:35,646 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 [2022-12-14 05:04:35,813 INFO L197 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 15 for LOIs [2022-12-14 05:04:35,815 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 05:04:37,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [423867212] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:04:37,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 05:04:37,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [5, 5, 5] total 34 [2022-12-14 05:04:37,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223084151] [2022-12-14 05:04:37,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:04:37,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-12-14 05:04:37,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:04:37,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-12-14 05:04:37,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=223, Invalid=967, Unknown=0, NotChecked=0, Total=1190 [2022-12-14 05:04:37,722 INFO L87 Difference]: Start difference. First operand 381 states and 450 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) [2022-12-14 05:04:43,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:04:43,729 INFO L93 Difference]: Finished difference Result 830 states and 978 transitions. [2022-12-14 05:04:43,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-12-14 05:04:43,730 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 79 [2022-12-14 05:04:43,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:04:43,733 INFO L225 Difference]: With dead ends: 830 [2022-12-14 05:04:43,733 INFO L226 Difference]: Without dead ends: 820 [2022-12-14 05:04:43,735 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 192 SyntacticMatches, 15 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1406 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=717, Invalid=3065, Unknown=0, NotChecked=0, Total=3782 [2022-12-14 05:04:43,735 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 221 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 1010 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 1093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 1010 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:04:43,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 104 Invalid, 1093 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 1010 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-14 05:04:43,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 820 states. [2022-12-14 05:04:43,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 820 to 572. [2022-12-14 05:04:43,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 572 states, 516 states have (on average 1.124031007751938) internal successors, (580), 519 states have internal predecessors, (580), 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) [2022-12-14 05:04:43,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 572 states and 682 transitions. [2022-12-14 05:04:43,801 INFO L78 Accepts]: Start accepts. Automaton has 572 states and 682 transitions. Word has length 79 [2022-12-14 05:04:43,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:04:43,801 INFO L495 AbstractCegarLoop]: Abstraction has 572 states and 682 transitions. [2022-12-14 05:04:43,802 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) [2022-12-14 05:04:43,802 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 682 transitions. [2022-12-14 05:04:43,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-12-14 05:04:43,803 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:04:43,803 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, 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] [2022-12-14 05:04:43,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-12-14 05:04:44,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-12-14 05:04:44,003 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-12-14 05:04:44,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:04:44,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1539397906, now seen corresponding path program 1 times [2022-12-14 05:04:44,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:04:44,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395887350] [2022-12-14 05:04:44,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:04:44,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:04:44,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:04:44,070 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-12-14 05:04:44,070 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:04:44,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395887350] [2022-12-14 05:04:44,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395887350] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 05:04:44,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [907274448] [2022-12-14 05:04:44,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:04:44,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:04:44,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:04:44,071 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:04:44,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-12-14 05:04:44,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:04:44,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 05:04:44,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:04:44,145 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-12-14 05:04:44,145 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:04:44,179 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-12-14 05:04:44,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [907274448] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 05:04:44,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [453354048] [2022-12-14 05:04:44,181 INFO L159 IcfgInterpreter]: Started Sifa with 45 locations of interest [2022-12-14 05:04:44,181 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 05:04:44,181 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 05:04:44,181 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 05:04:44,181 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 05:04:44,263 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-12-14 05:04:44,264 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 [2022-12-14 05:04:44,274 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 [2022-12-14 05:04:44,387 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 [2022-12-14 05:04:44,515 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 [2022-12-14 05:04:44,574 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 [2022-12-14 05:04:44,935 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 [2022-12-14 05:04:45,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:45,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:45,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:45,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:45,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:45,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:45,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:45,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:45,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:45,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:45,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:45,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:45,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:45,413 INFO L321 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2022-12-14 05:04:45,414 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 432 treesize of output 440 [2022-12-14 05:04:45,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:45,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:45,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:45,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:45,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:45,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:45,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:45,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:45,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:45,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:45,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:45,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:45,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:45,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:45,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:45,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:45,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:45,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:45,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:45,999 INFO L321 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2022-12-14 05:04:46,000 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 517 treesize of output 483 [2022-12-14 05:04:46,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:46,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:46,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:46,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:46,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:46,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:46,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:46,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:46,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:46,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:46,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:46,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:46,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:46,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:46,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:46,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:46,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:46,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:46,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:46,149 INFO L321 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2022-12-14 05:04:46,149 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 517 treesize of output 483 [2022-12-14 05:04:46,294 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 [2022-12-14 05:04:46,401 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 [2022-12-14 05:04:46,544 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 [2022-12-14 05:04:46,590 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 [2022-12-14 05:04:46,629 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 [2022-12-14 05:04:46,720 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 [2022-12-14 05:04:46,873 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 [2022-12-14 05:04:46,913 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 [2022-12-14 05:04:46,958 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 [2022-12-14 05:04:47,008 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 [2022-12-14 05:04:47,055 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:04:47,055 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 [2022-12-14 05:04:47,078 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:04:47,078 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 [2022-12-14 05:04:47,275 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 [2022-12-14 05:04:47,495 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 [2022-12-14 05:04:47,738 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:04:47,738 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 [2022-12-14 05:04:47,795 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:04:47,796 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 [2022-12-14 05:04:47,844 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 [2022-12-14 05:04:48,078 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 [2022-12-14 05:04:48,320 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:04:48,320 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 [2022-12-14 05:04:48,384 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:04:48,384 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 [2022-12-14 05:04:48,436 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 [2022-12-14 05:04:48,492 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 [2022-12-14 05:04:48,544 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:04:48,544 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 [2022-12-14 05:04:48,567 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:04:48,568 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 [2022-12-14 05:04:48,765 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 [2022-12-14 05:04:48,971 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 254 treesize of output 226 [2022-12-14 05:04:49,212 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:04:49,212 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 [2022-12-14 05:04:49,268 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:04:49,268 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 [2022-12-14 05:04:49,315 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 [2022-12-14 05:04:49,372 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 [2022-12-14 05:04:49,421 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 [2022-12-14 05:04:49,439 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 [2022-12-14 05:04:49,679 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 [2022-12-14 05:04:49,819 INFO L197 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 15 for LOIs [2022-12-14 05:04:49,820 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 05:04:51,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [453354048] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:04:51,831 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 05:04:51,831 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [5, 5, 5] total 35 [2022-12-14 05:04:51,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624310760] [2022-12-14 05:04:51,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:04:51,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-12-14 05:04:51,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:04:51,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-12-14 05:04:51,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=234, Invalid=1026, Unknown=0, NotChecked=0, Total=1260 [2022-12-14 05:04:51,833 INFO L87 Difference]: Start difference. First operand 572 states and 682 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) [2022-12-14 05:04:59,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:04:59,142 INFO L93 Difference]: Finished difference Result 631 states and 761 transitions. [2022-12-14 05:04:59,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-12-14 05:04:59,142 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 79 [2022-12-14 05:04:59,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:04:59,143 INFO L225 Difference]: With dead ends: 631 [2022-12-14 05:04:59,143 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 05:04:59,145 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 184 SyntacticMatches, 22 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1637 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=796, Invalid=3364, Unknown=0, NotChecked=0, Total=4160 [2022-12-14 05:04:59,145 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 93 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 978 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 1048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 978 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 05:04:59,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 15 Invalid, 1048 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 978 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 05:04:59,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 05:04:59,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 05:04:59,146 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) [2022-12-14 05:04:59,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 05:04:59,147 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 79 [2022-12-14 05:04:59,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:04:59,147 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 05:04:59,147 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) [2022-12-14 05:04:59,147 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 05:04:59,147 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 05:04:59,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 30 remaining) [2022-12-14 05:04:59,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 30 remaining) [2022-12-14 05:04:59,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 30 remaining) [2022-12-14 05:04:59,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 30 remaining) [2022-12-14 05:04:59,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 30 remaining) [2022-12-14 05:04:59,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 30 remaining) [2022-12-14 05:04:59,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 30 remaining) [2022-12-14 05:04:59,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 30 remaining) [2022-12-14 05:04:59,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 30 remaining) [2022-12-14 05:04:59,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 30 remaining) [2022-12-14 05:04:59,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 30 remaining) [2022-12-14 05:04:59,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 30 remaining) [2022-12-14 05:04:59,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 30 remaining) [2022-12-14 05:04:59,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 30 remaining) [2022-12-14 05:04:59,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 30 remaining) [2022-12-14 05:04:59,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 30 remaining) [2022-12-14 05:04:59,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 30 remaining) [2022-12-14 05:04:59,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 30 remaining) [2022-12-14 05:04:59,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 30 remaining) [2022-12-14 05:04:59,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 30 remaining) [2022-12-14 05:04:59,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 30 remaining) [2022-12-14 05:04:59,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 30 remaining) [2022-12-14 05:04:59,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 30 remaining) [2022-12-14 05:04:59,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 30 remaining) [2022-12-14 05:04:59,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 30 remaining) [2022-12-14 05:04:59,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 30 remaining) [2022-12-14 05:04:59,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 30 remaining) [2022-12-14 05:04:59,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 30 remaining) [2022-12-14 05:04:59,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 30 remaining) [2022-12-14 05:04:59,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 30 remaining) [2022-12-14 05:04:59,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-12-14 05:04:59,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-12-14 05:04:59,355 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 05:05:46,442 WARN L233 SmtUtils]: Spent 44.05s on a formula simplification. DAG size of input: 277 DAG size of output: 277 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-14 05:05:55,017 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 12 16) the Hoare annotation is: true [2022-12-14 05:05:55,017 INFO L899 garLoopResultBuilder]: For program point ReadFromPortEXIT(lines 12 16) no Hoare annotation was computed. [2022-12-14 05:05:55,017 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2022-12-14 05:05:55,017 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 65) no Hoare annotation was computed. [2022-12-14 05:05:55,017 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2022-12-14 05:05:55,017 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 22 75) the Hoare annotation is: true [2022-12-14 05:05:55,017 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2022-12-14 05:05:55,017 INFO L899 garLoopResultBuilder]: For program point L36-1(line 36) no Hoare annotation was computed. [2022-12-14 05:05:55,017 INFO L899 garLoopResultBuilder]: For program point L36-2(lines 36 67) no Hoare annotation was computed. [2022-12-14 05:05:55,017 INFO L899 garLoopResultBuilder]: For program point L69-3(line 69) no Hoare annotation was computed. [2022-12-14 05:05:55,017 INFO L899 garLoopResultBuilder]: For program point L69-4(line 69) no Hoare annotation was computed. [2022-12-14 05:05:55,018 INFO L899 garLoopResultBuilder]: For program point L36-4(lines 36 67) no Hoare annotation was computed. [2022-12-14 05:05:55,018 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)))) [2022-12-14 05:05:55,018 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-12-14 05:05:55,018 INFO L899 garLoopResultBuilder]: For program point L36-5(line 36) no Hoare annotation was computed. [2022-12-14 05:05:55,019 INFO L899 garLoopResultBuilder]: For program point L36-6(line 36) no Hoare annotation was computed. [2022-12-14 05:05:55,019 INFO L899 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2022-12-14 05:05:55,019 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 .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 (<= 2 |ULTIMATE.start_main_~i~0#1|) (<= |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)))) [2022-12-14 05:05:55,019 INFO L899 garLoopResultBuilder]: For program point L61-1(line 61) no Hoare annotation was computed. [2022-12-14 05:05:55,019 INFO L899 garLoopResultBuilder]: For program point L36-8(lines 36 67) no Hoare annotation was computed. [2022-12-14 05:05:55,020 INFO L899 garLoopResultBuilder]: For program point L61-2(line 61) no Hoare annotation was computed. [2022-12-14 05:05:55,020 INFO L899 garLoopResultBuilder]: For program point L61-3(line 61) no Hoare annotation was computed. [2022-12-14 05:05:55,020 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2022-12-14 05:05:55,020 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW(line 65) no Hoare annotation was computed. [2022-12-14 05:05:55,020 INFO L899 garLoopResultBuilder]: For program point L45(line 45) no Hoare annotation was computed. [2022-12-14 05:05:55,020 INFO L899 garLoopResultBuilder]: For program point L45-1(line 45) no Hoare annotation was computed. [2022-12-14 05:05:55,020 INFO L899 garLoopResultBuilder]: For program point L45-2(line 45) no Hoare annotation was computed. [2022-12-14 05:05:55,020 INFO L899 garLoopResultBuilder]: For program point L45-3(line 45) no Hoare annotation was computed. [2022-12-14 05:05:55,020 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2022-12-14 05:05:55,020 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-12-14 05:05:55,020 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2022-12-14 05:05:55,020 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW(line 65) no Hoare annotation was computed. [2022-12-14 05:05:55,021 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2022-12-14 05:05:55,021 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-14 05:05:55,021 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 .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 (<= 2 |ULTIMATE.start_main_~i~0#1|) .cse15 .cse16 .cse17 .cse18 (<= 0 (+ 2147483648 |ULTIMATE.start_main_~value~0#1|)) .cse19 .cse20 .cse21 .cse22 .cse23 (<= (* 3 |ULTIMATE.start_main_~i~0#1|) 2147483647) .cse24 (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) .cse25 (= ~SIZE~0 (* (div ~SIZE~0 3) 3)) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) .cse27 .cse28)))) [2022-12-14 05:05:55,021 INFO L899 garLoopResultBuilder]: For program point L38-1(line 38) no Hoare annotation was computed. [2022-12-14 05:05:55,021 INFO L899 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2022-12-14 05:05:55,021 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 61) no Hoare annotation was computed. [2022-12-14 05:05:55,021 INFO L899 garLoopResultBuilder]: For program point L55-1(line 55) no Hoare annotation was computed. [2022-12-14 05:05:55,022 INFO L899 garLoopResultBuilder]: For program point L55-2(line 55) no Hoare annotation was computed. [2022-12-14 05:05:55,022 INFO L899 garLoopResultBuilder]: For program point L55-3(line 55) no Hoare annotation was computed. [2022-12-14 05:05:55,022 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-12-14 05:05:55,022 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2022-12-14 05:05:55,022 INFO L899 garLoopResultBuilder]: For program point L39(lines 39 46) no Hoare annotation was computed. [2022-12-14 05:05:55,022 INFO L895 garLoopResultBuilder]: At program point L39-2(lines 39 46) the Hoare annotation is: (let ((.cse43 (select |#memory_int| 1)) (.cse44 (select |#memory_int| 2)) (.cse40 (= |ULTIMATE.start_main_~DEFAULTVAL~0#1| |ULTIMATE.start_main_~value~0#1|)) (.cse39 (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))))) (let ((.cse11 (= |ULTIMATE.start_main_~i~0#1| 1)) (.cse13 (<= |ULTIMATE.start_main_~value~0#1| 2147483647)) (.cse17 (= .cse39 |ULTIMATE.start_main_~value~0#1|)) (.cse25 (<= 0 (+ 2147483648 |ULTIMATE.start_main_~value~0#1|))) (.cse33 (not .cse40)) (.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 .cse44 2))) (.cse5 (= (select .cse44 5) 99)) (.cse6 (= ~MAX~0 100000)) (.cse7 (= |ULTIMATE.start_main_~DEFAULTVAL~0#1| 0)) (.cse8 (<= 2 ~SIZE~0)) (.cse9 (= 51 (select .cse44 3))) (.cse10 (= 2 (select |#length| 1))) (.cse12 (= (select |#valid| 3) 1)) (.cse14 (= 10 |ULTIMATE.start_main_~FIXEDVAL~0#1|)) (.cse15 (= (select .cse44 4) 46)) (.cse16 (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|)) (.cse18 (= (select |#length| |ULTIMATE.start_main_~a~0#1.base|) (* 4 (mod ~SIZE~0 1073741824)))) (.cse19 (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|)) (.cse20 (= (select |#valid| 1) 1)) (.cse21 (= (select .cse44 6) 0)) (.cse23 (<= ~SIZE~0 99999)) (.cse35 (= ~SIZE~0 (* (div ~SIZE~0 3) 3))) (.cse22 (= 112 (select .cse44 0))) (.cse24 (= (select |#valid| 0) 0)) (.cse26 (= (select |#valid| 2) 1)) (.cse27 (= |#NULL.offset| 0)) (.cse28 (= (select .cse43 0) 48)) (.cse29 (= 110 (select .cse44 1))) (.cse30 (not (= 3 |ULTIMATE.start_main_~a~0#1.base|))) (.cse31 (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1)) (.cse32 (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1)) (.cse34 (= (select .cse43 1) 0)) (.cse36 (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (.cse37 (< 0 |#StackHeapBarrier|)) (.cse38 (= |#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 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37 .cse38) (and .cse0 .cse1 .cse2 .cse3 (= .cse39 |ULTIMATE.start_main_~FIXEDVAL~0#1|) .cse4 .cse5 .cse6 .cse40 .cse8 .cse9 .cse10 .cse11 .cse12 .cse14 .cse15 .cse16 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse26 (<= 0 |ULTIMATE.start_main_~value~0#1|) .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 (<= |ULTIMATE.start_main_~value~0#1| 0) .cse34 .cse35 .cse36 .cse37 .cse38) (and (let ((.cse41 (<= 2 |ULTIMATE.start_main_~i~0#1|)) (.cse42 (<= (* 3 |ULTIMATE.start_main_~i~0#1|) 2147483647))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse41 .cse21 .cse23 .cse25 .cse42 .cse33 .cse35) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse40 .cse8 .cse9 .cse10 .cse12 .cse14 .cse15 .cse16 .cse18 .cse19 (<= .cse39 2147483647) .cse20 .cse41 .cse21 .cse23 (not (= .cse39 |ULTIMATE.start_main_~DEFAULTVAL~0#1|)) (<= 0 (+ .cse39 2147483648)) .cse42 .cse35))) .cse22 .cse24 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse34 .cse36 .cse37 .cse38)))) [2022-12-14 05:05:55,023 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 61) no Hoare annotation was computed. [2022-12-14 05:05:55,023 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-12-14 05:05:55,023 INFO L899 garLoopResultBuilder]: For program point L48(line 48) no Hoare annotation was computed. [2022-12-14 05:05:55,023 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2022-12-14 05:05:55,023 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2022-12-14 05:05:55,023 INFO L899 garLoopResultBuilder]: For program point L65-1(line 65) no Hoare annotation was computed. [2022-12-14 05:05:55,023 INFO L899 garLoopResultBuilder]: For program point L65-2(line 65) no Hoare annotation was computed. [2022-12-14 05:05:55,023 INFO L899 garLoopResultBuilder]: For program point L65-3(line 65) no Hoare annotation was computed. [2022-12-14 05:05:55,023 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2022-12-14 05:05:55,023 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW(line 69) no Hoare annotation was computed. [2022-12-14 05:05:55,023 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 61) no Hoare annotation was computed. [2022-12-14 05:05:55,023 INFO L899 garLoopResultBuilder]: For program point L49(lines 49 56) no Hoare annotation was computed. [2022-12-14 05:05:55,024 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2022-12-14 05:05:55,024 INFO L895 garLoopResultBuilder]: At program point L49-2(lines 49 56) the Hoare annotation is: (let ((.cse50 (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|)) (.cse51 (* |ULTIMATE.start_main_~i~0#1| 12))) (let ((.cse7 (= |ULTIMATE.start_main_~DEFAULTVAL~0#1| |ULTIMATE.start_main_~value~0#1|)) (.cse46 (select |#memory_int| 1)) (.cse48 (select .cse50 (+ |ULTIMATE.start_main_~a~0#1.offset| (- 12) .cse51))) (.cse47 (select |#memory_int| 2)) (.cse49 (select .cse50 (+ |ULTIMATE.start_main_~a~0#1.offset| .cse51 (- 8))))) (let ((.cse15 (= .cse49 |ULTIMATE.start_main_~FIXEDVAL~0#1|)) (.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 .cse47 2))) (.cse5 (= (select .cse47 5) 99)) (.cse42 (= ~MAX~0 100000)) (.cse6 (= |ULTIMATE.start_main_~DEFAULTVAL~0#1| 0)) (.cse43 (<= 2 ~SIZE~0)) (.cse8 (= 51 (select .cse47 3))) (.cse9 (= 2 (select |#length| 1))) (.cse11 (= (select |#valid| 3) 1)) (.cse19 (<= |ULTIMATE.start_main_~value~0#1| 2147483647)) (.cse12 (= 10 |ULTIMATE.start_main_~FIXEDVAL~0#1|)) (.cse23 (= (select .cse47 4) 46)) (.cse24 (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|)) (.cse25 (= (select |#length| |ULTIMATE.start_main_~a~0#1.base|) (* 4 (mod ~SIZE~0 1073741824)))) (.cse26 (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|)) (.cse20 (= .cse49 |ULTIMATE.start_main_~value~0#1|)) (.cse13 (<= .cse48 2147483647)) (.cse27 (= (select |#valid| 1) 1)) (.cse44 (<= 2 |ULTIMATE.start_main_~i~0#1|)) (.cse28 (= (select .cse47 6) 0)) (.cse29 (= 112 (select .cse47 0))) (.cse14 (<= ~SIZE~0 99999)) (.cse30 (= (select |#valid| 0) 0)) (.cse21 (<= 0 (+ 2147483648 |ULTIMATE.start_main_~value~0#1|))) (.cse16 (not (= .cse48 |ULTIMATE.start_main_~DEFAULTVAL~0#1|))) (.cse31 (= (select |#valid| 2) 1)) (.cse32 (= |#NULL.offset| 0)) (.cse33 (= (select .cse46 0) 48)) (.cse17 (<= 0 (+ .cse48 2147483648))) (.cse34 (= 110 (select .cse47 1))) (.cse35 (not (= 3 |ULTIMATE.start_main_~a~0#1.base|))) (.cse36 (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1)) (.cse37 (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1)) (.cse45 (<= |ULTIMATE.start_main_~i~0#1| 715827882)) (.cse22 (not .cse7)) (.cse38 (= (select .cse46 1) 0)) (.cse18 (= ~SIZE~0 (* (div ~SIZE~0 3) 3))) (.cse39 (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (.cse40 (< 0 |#StackHeapBarrier|)) (.cse41 (= |#NULL.base| 0))) (or (and (let ((.cse10 (= |ULTIMATE.start_main_~i~0#1| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse8 .cse9 .cse10 .cse11 .cse19 .cse12 .cse20 .cse13 .cse14 .cse21 .cse16 .cse17 .cse22 .cse18))) .cse23 (<= 100000 ~MAX~0) .cse24 (< 1 ~SIZE~0) .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37 .cse38 .cse39 (<= ~MAX~0 100000) .cse40 .cse41) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse42 .cse6 .cse7 .cse43 .cse8 .cse9 .cse11 .cse12 .cse23 .cse24 .cse25 .cse26 .cse13 .cse27 .cse44 .cse28 .cse29 .cse14 .cse30 .cse15 .cse16 .cse31 .cse32 .cse33 .cse17 .cse34 .cse35 .cse36 .cse37 .cse45 .cse38 .cse18 .cse39 .cse40 .cse41) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse42 .cse6 .cse43 .cse8 .cse9 .cse11 .cse19 .cse12 .cse23 .cse24 .cse25 .cse26 .cse20 .cse13 .cse27 .cse44 .cse28 .cse29 .cse14 .cse30 .cse21 .cse16 .cse31 .cse32 .cse33 .cse17 .cse34 .cse35 .cse36 .cse37 .cse45 .cse22 .cse38 .cse18 .cse39 .cse40 .cse41))))) [2022-12-14 05:05:55,024 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2022-12-14 05:05:55,024 INFO L899 garLoopResultBuilder]: For program point L41-1(line 41) no Hoare annotation was computed. [2022-12-14 05:05:55,024 INFO L899 garLoopResultBuilder]: For program point L41-2(line 41) no Hoare annotation was computed. [2022-12-14 05:05:55,024 INFO L899 garLoopResultBuilder]: For program point L41-3(line 41) no Hoare annotation was computed. [2022-12-14 05:05:55,024 INFO L899 garLoopResultBuilder]: For program point L33(line 33) no Hoare annotation was computed. [2022-12-14 05:05:55,024 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 05:05:55,025 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2022-12-14 05:05:55,025 INFO L899 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2022-12-14 05:05:55,025 INFO L899 garLoopResultBuilder]: For program point L25(lines 25 73) no Hoare annotation was computed. [2022-12-14 05:05:55,025 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW(line 69) no Hoare annotation was computed. [2022-12-14 05:05:55,025 INFO L899 garLoopResultBuilder]: For program point L25-1(lines 25 73) no Hoare annotation was computed. [2022-12-14 05:05:55,025 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 61) no Hoare annotation was computed. [2022-12-14 05:05:55,025 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2022-12-14 05:05:55,025 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 65) no Hoare annotation was computed. [2022-12-14 05:05:55,025 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2022-12-14 05:05:55,025 INFO L899 garLoopResultBuilder]: For program point L59(lines 59 66) no Hoare annotation was computed. [2022-12-14 05:05:55,025 INFO L899 garLoopResultBuilder]: For program point L51(line 51) no Hoare annotation was computed. [2022-12-14 05:05:55,025 INFO L899 garLoopResultBuilder]: For program point L51-1(line 51) no Hoare annotation was computed. [2022-12-14 05:05:55,026 INFO L899 garLoopResultBuilder]: For program point L51-2(line 51) no Hoare annotation was computed. [2022-12-14 05:05:55,026 INFO L899 garLoopResultBuilder]: For program point L51-3(line 51) no Hoare annotation was computed. [2022-12-14 05:05:55,026 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2022-12-14 05:05:55,026 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2022-12-14 05:05:55,028 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:05:55,030 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 05:05:55,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 05:05:55 BoogieIcfgContainer [2022-12-14 05:05:55,047 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 05:05:55,047 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 05:05:55,048 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 05:05:55,048 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 05:05:55,048 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:03:07" (3/4) ... [2022-12-14 05:05:55,050 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 05:05:55,054 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ReadFromPort [2022-12-14 05:05:55,058 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-12-14 05:05:55,058 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-14 05:05:55,059 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 05:05:55,059 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 05:05:55,059 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 05:05:55,076 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]) && 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) && 2 <= i) && 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) [2022-12-14 05:05:55,077 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) [2022-12-14 05:05:55,085 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 05:05:55,085 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 05:05:55,085 INFO L158 Benchmark]: Toolchain (without parser) took 168435.12ms. Allocated memory was 121.6MB in the beginning and 553.6MB in the end (delta: 432.0MB). Free memory was 87.1MB in the beginning and 253.0MB in the end (delta: -166.0MB). Peak memory consumption was 266.9MB. Max. memory is 16.1GB. [2022-12-14 05:05:55,085 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 121.6MB. Free memory is still 96.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 05:05:55,086 INFO L158 Benchmark]: CACSL2BoogieTranslator took 198.11ms. Allocated memory is still 121.6MB. Free memory was 86.7MB in the beginning and 75.9MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 05:05:55,086 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.20ms. Allocated memory is still 121.6MB. Free memory was 75.9MB in the beginning and 74.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 05:05:55,086 INFO L158 Benchmark]: Boogie Preprocessor took 23.39ms. Allocated memory is still 121.6MB. Free memory was 73.8MB in the beginning and 72.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 05:05:55,086 INFO L158 Benchmark]: RCFGBuilder took 351.75ms. Allocated memory is still 121.6MB. Free memory was 72.5MB in the beginning and 54.6MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 05:05:55,086 INFO L158 Benchmark]: TraceAbstraction took 167785.24ms. Allocated memory was 121.6MB in the beginning and 553.6MB in the end (delta: 432.0MB). Free memory was 54.0MB in the beginning and 257.2MB in the end (delta: -203.3MB). Peak memory consumption was 315.3MB. Max. memory is 16.1GB. [2022-12-14 05:05:55,086 INFO L158 Benchmark]: Witness Printer took 37.52ms. Allocated memory is still 553.6MB. Free memory was 257.2MB in the beginning and 253.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 05:05:55,088 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 121.6MB. Free memory is still 96.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 198.11ms. Allocated memory is still 121.6MB. Free memory was 86.7MB in the beginning and 75.9MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.20ms. Allocated memory is still 121.6MB. Free memory was 75.9MB in the beginning and 74.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.39ms. Allocated memory is still 121.6MB. Free memory was 73.8MB in the beginning and 72.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 351.75ms. Allocated memory is still 121.6MB. Free memory was 72.5MB in the beginning and 54.6MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 167785.24ms. Allocated memory was 121.6MB in the beginning and 553.6MB in the end (delta: 432.0MB). Free memory was 54.0MB in the beginning and 257.2MB in the end (delta: -203.3MB). Peak memory consumption was 315.3MB. Max. memory is 16.1GB. * Witness Printer took 37.52ms. Allocated memory is still 553.6MB. Free memory was 257.2MB in the beginning and 253.0MB 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: 167.7s, OverallIterations: 16, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 53.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 55.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2439 SdHoareTripleChecker+Valid, 8.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2407 mSDsluCounter, 1510 SdHoareTripleChecker+Invalid, 7.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 895 mSDsCounter, 702 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8218 IncrementalHoareTripleChecker+Invalid, 8920 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 702 mSolverCounterUnsat, 615 mSDtfsCounter, 8218 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1641 GetRequests, 1051 SyntacticMatches, 103 SemanticMatches, 487 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10212 ImplicationChecksByTransitivity, 62.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=572occurred in iteration=15, InterpolantAutomatonStates: 262, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 16 MinimizatonAttempts, 993 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 74 PreInvPairs, 155 NumberOfFragments, 2660 HoareAnnotationTreeSize, 74 FomulaSimplifications, 29771 FormulaSimplificationTreeSizeReduction, 47.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 863031 FormulaSimplificationTreeSizeReductionInter, 8.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 1125 NumberOfCodeBlocks, 1125 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 1525 ConstructedInterpolants, 0 QuantifiedInterpolants, 2337 SizeOfPredicates, 18 NumberOfNonLiveVariables, 1942 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 34 InterpolantComputations, 8 PerfectInterpolantSequences, 572/668 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: 29.2s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 14, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 424, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 1220, TOOLS_POST_TIME: 10.7s, TOOLS_POST_CALL_APPLICATIONS: 283, TOOLS_POST_CALL_TIME: 13.7s, TOOLS_POST_RETURN_APPLICATIONS: 262, TOOLS_POST_RETURN_TIME: 2.1s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 1765, TOOLS_QUANTIFIERELIM_TIME: 26.1s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.6s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 1946, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 239, DOMAIN_JOIN_TIME: 1.5s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 31, DOMAIN_WIDEN_TIME: 0.2s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 51, DOMAIN_ISSUBSETEQ_TIME: 0.1s, DOMAIN_ISBOTTOM_APPLICATIONS: 424, DOMAIN_ISBOTTOM_TIME: 0.6s, LOOP_SUMMARIZER_APPLICATIONS: 20, LOOP_SUMMARIZER_CACHE_MISSES: 20, LOOP_SUMMARIZER_OVERALL_TIME: 24.8s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 24.8s, 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: 0.1s, DAG_COMPRESSION_PROCESSED_NODES: 16561, DAG_COMPRESSION_RETAINED_NODES: 1080, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 30 specifications checked. All of them hold - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 - 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]) && 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) && 2 <= i) && 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! [2022-12-14 05:05:55,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2ed90c-5ddc-4e70-855f-a88418cf64ae/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE