./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array8_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-patterns/array8_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 06625eaf591a62e295090a882d83c1e11aaafca7ac8895e7d4adcf51d5b26e02 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:19:59,176 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:19:59,179 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:19:59,221 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:19:59,222 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:19:59,223 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:19:59,225 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:19:59,228 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:19:59,231 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:19:59,232 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:19:59,233 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:19:59,235 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:19:59,235 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:19:59,237 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:19:59,238 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:19:59,240 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:19:59,241 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:19:59,242 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:19:59,245 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:19:59,248 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:19:59,250 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:19:59,252 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:19:59,254 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:19:59,255 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:19:59,260 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:19:59,260 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:19:59,261 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:19:59,262 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:19:59,262 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:19:59,264 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:19:59,264 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:19:59,265 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:19:59,266 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:19:59,267 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:19:59,271 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:19:59,272 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:19:59,273 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:19:59,273 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:19:59,274 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:19:59,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:19:59,277 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:19:59,278 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-12 23:19:59,321 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:19:59,325 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:19:59,327 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:19:59,328 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:19:59,329 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:19:59,329 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:19:59,329 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:19:59,329 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:19:59,330 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:19:59,330 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:19:59,331 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:19:59,331 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:19:59,331 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:19:59,332 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:19:59,332 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:19:59,332 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:19:59,333 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:19:59,333 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 23:19:59,333 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:19:59,334 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 23:19:59,334 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:19:59,334 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:19:59,334 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:19:59,335 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:19:59,335 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:19:59,335 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 23:19:59,335 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:19:59,336 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:19:59,336 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:19:59,337 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:19:59,338 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:19:59,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:19:59,338 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:19:59,339 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:19:59,339 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:19:59,339 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:19:59,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:19:59,340 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:19:59,340 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:19:59,340 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:19:59,340 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06625eaf591a62e295090a882d83c1e11aaafca7ac8895e7d4adcf51d5b26e02 [2021-11-12 23:19:59,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:19:59,664 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:19:59,666 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:19:59,668 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:19:59,668 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:19:59,669 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/array-patterns/array8_pattern.c [2021-11-12 23:19:59,740 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF/data/fc33c7aca/962b3c885815442ba0c9272f9bd13ba4/FLAGdb022ff5b [2021-11-12 23:20:00,119 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:20:00,120 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/sv-benchmarks/c/array-patterns/array8_pattern.c [2021-11-12 23:20:00,126 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF/data/fc33c7aca/962b3c885815442ba0c9272f9bd13ba4/FLAGdb022ff5b [2021-11-12 23:20:00,526 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF/data/fc33c7aca/962b3c885815442ba0c9272f9bd13ba4 [2021-11-12 23:20:00,528 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:20:00,530 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:20:00,533 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:20:00,533 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:20:00,536 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:20:00,537 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:20:00" (1/1) ... [2021-11-12 23:20:00,538 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e4bb12d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:20:00, skipping insertion in model container [2021-11-12 23:20:00,538 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:20:00" (1/1) ... [2021-11-12 23:20:00,545 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:20:00,561 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:20:00,717 WARN L228 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_0ddc3f3f-e767-4c50-8680-208e492ecf9a/sv-benchmarks/c/array-patterns/array8_pattern.c[1321,1334] [2021-11-12 23:20:00,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:20:00,744 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:20:00,755 WARN L228 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_0ddc3f3f-e767-4c50-8680-208e492ecf9a/sv-benchmarks/c/array-patterns/array8_pattern.c[1321,1334] [2021-11-12 23:20:00,764 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:20:00,774 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:20:00,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:20:00 WrapperNode [2021-11-12 23:20:00,774 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:20:00,775 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:20:00,775 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:20:00,775 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:20:00,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:20:00" (1/1) ... [2021-11-12 23:20:00,786 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:20:00" (1/1) ... [2021-11-12 23:20:00,806 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:20:00,807 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:20:00,807 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:20:00,807 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:20:00,815 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:20:00" (1/1) ... [2021-11-12 23:20:00,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:20:00" (1/1) ... [2021-11-12 23:20:00,818 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:20:00" (1/1) ... [2021-11-12 23:20:00,818 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:20:00" (1/1) ... [2021-11-12 23:20:00,825 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:20:00" (1/1) ... [2021-11-12 23:20:00,829 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:20:00" (1/1) ... [2021-11-12 23:20:00,831 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:20:00" (1/1) ... [2021-11-12 23:20:00,834 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:20:00,835 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:20:00,835 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:20:00,835 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:20:00,841 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:20:00" (1/1) ... [2021-11-12 23:20:00,848 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:20:00,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:20:00,867 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:20:00,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:20:00,915 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-12 23:20:00,916 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-12 23:20:00,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-12 23:20:00,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:20:00,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-12 23:20:00,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:20:00,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:20:00,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-12 23:20:00,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:20:01,183 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:20:01,184 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-12 23:20:01,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:20:01 BoogieIcfgContainer [2021-11-12 23:20:01,186 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:20:01,188 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:20:01,188 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:20:01,202 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:20:01,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:20:00" (1/3) ... [2021-11-12 23:20:01,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b8ea4de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:20:01, skipping insertion in model container [2021-11-12 23:20:01,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:20:00" (2/3) ... [2021-11-12 23:20:01,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b8ea4de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:20:01, skipping insertion in model container [2021-11-12 23:20:01,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:20:01" (3/3) ... [2021-11-12 23:20:01,205 INFO L111 eAbstractionObserver]: Analyzing ICFG array8_pattern.c [2021-11-12 23:20:01,209 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:20:01,210 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 23:20:01,262 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:20:01,295 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-12 23:20:01,295 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-12 23:20:01,312 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-12 23:20:01,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-12 23:20:01,317 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:20:01,317 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:20:01,318 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:20:01,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:20:01,324 INFO L85 PathProgramCache]: Analyzing trace with hash -41992950, now seen corresponding path program 1 times [2021-11-12 23:20:01,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:20:01,333 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308792759] [2021-11-12 23:20:01,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:20:01,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:20:01,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:20:01,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:20:01,504 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:20:01,504 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308792759] [2021-11-12 23:20:01,505 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308792759] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:20:01,505 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:20:01,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-12 23:20:01,507 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027374232] [2021-11-12 23:20:01,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:20:01,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-12 23:20:01,512 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:20:01,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-12 23:20:01,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-12 23:20:01,541 INFO L87 Difference]: Start difference. First operand has 17 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2021-11-12 23:20:01,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:20:01,579 INFO L93 Difference]: Finished difference Result 24 states and 30 transitions. [2021-11-12 23:20:01,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-12 23:20:01,598 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 11 [2021-11-12 23:20:01,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:20:01,605 INFO L225 Difference]: With dead ends: 24 [2021-11-12 23:20:01,605 INFO L226 Difference]: Without dead ends: 15 [2021-11-12 23:20:01,608 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-12 23:20:01,615 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.91ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.59ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.69ms IncrementalHoareTripleChecker+Time [2021-11-12 23:20:01,617 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 12 Invalid, 8 Unknown, 0 Unchecked, 0.59ms Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 19.69ms Time] [2021-11-12 23:20:01,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2021-11-12 23:20:01,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2021-11-12 23:20:01,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-12 23:20:01,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2021-11-12 23:20:01,673 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 18 transitions. Word has length 11 [2021-11-12 23:20:01,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:20:01,674 INFO L470 AbstractCegarLoop]: Abstraction has 15 states and 18 transitions. [2021-11-12 23:20:01,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2021-11-12 23:20:01,675 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2021-11-12 23:20:01,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-12 23:20:01,676 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:20:01,676 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:20:01,677 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-12 23:20:01,677 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:20:01,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:20:01,678 INFO L85 PathProgramCache]: Analyzing trace with hash -682917570, now seen corresponding path program 1 times [2021-11-12 23:20:01,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:20:01,679 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979550422] [2021-11-12 23:20:01,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:20:01,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:20:01,721 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-12 23:20:01,722 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1593307854] [2021-11-12 23:20:01,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:20:01,723 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:20:01,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:20:01,725 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:20:01,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-12 23:20:01,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:20:01,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-12 23:20:01,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:20:01,978 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:20:01,978 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:20:02,104 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-12 23:20:02,107 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:20:02,108 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979550422] [2021-11-12 23:20:02,108 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:20:02,108 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1593307854] [2021-11-12 23:20:02,108 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1593307854] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:20:02,109 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:20:02,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2021-11-12 23:20:02,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944902035] [2021-11-12 23:20:02,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:20:02,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:20:02,113 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:20:02,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:20:02,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:20:02,114 INFO L87 Difference]: Start difference. First operand 15 states and 18 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-12 23:20:02,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:20:02,171 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2021-11-12 23:20:02,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:20:02,171 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 16 [2021-11-12 23:20:02,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:20:02,172 INFO L225 Difference]: With dead ends: 30 [2021-11-12 23:20:02,172 INFO L226 Difference]: Without dead ends: 19 [2021-11-12 23:20:02,173 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:20:02,175 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 14 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.04ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.29ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.87ms IncrementalHoareTripleChecker+Time [2021-11-12 23:20:02,176 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 20 Invalid, 37 Unknown, 0 Unchecked, 1.29ms Time], IncrementalHoareTripleChecker [4 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 39.87ms Time] [2021-11-12 23:20:02,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2021-11-12 23:20:02,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-11-12 23:20:02,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 14 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-12 23:20:02,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2021-11-12 23:20:02,182 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 16 [2021-11-12 23:20:02,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:20:02,182 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2021-11-12 23:20:02,182 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-12 23:20:02,183 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2021-11-12 23:20:02,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-12 23:20:02,184 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:20:02,184 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:20:02,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:20:02,403 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:20:02,404 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:20:02,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:20:02,405 INFO L85 PathProgramCache]: Analyzing trace with hash -647612129, now seen corresponding path program 1 times [2021-11-12 23:20:02,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:20:02,405 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664086169] [2021-11-12 23:20:02,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:20:02,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:20:02,429 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-12 23:20:02,435 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [265428250] [2021-11-12 23:20:02,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:20:02,439 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:20:02,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:20:02,441 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:20:02,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-12 23:20:02,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:20:02,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-12 23:20:02,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:20:02,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-12 23:20:02,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 27 treesize of output 15 [2021-11-12 23:20:03,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:20:03,294 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-12 23:20:03,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-12 23:20:04,644 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-12 23:20:04,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-12 23:20:04,725 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:20:04,726 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:20:31,904 WARN L860 $PredicateComparison]: unable to prove that (or (= |c_assume_abort_if_not_#in~cond| 0) (forall ((|v_ULTIMATE.start_main_~count~0#1_BEFORE_CALL_2| Int) (|v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_2| Int) (|v_ULTIMATE.start_main_~#array2~0#1.offset_BEFORE_CALL_2| Int) (|v_ULTIMATE.start_main_~sum~0#1_BEFORE_CALL_2| Int) (|v_ULTIMATE.start_main_~#array1~0#1.offset_BEFORE_CALL_2| Int) (|v_ULTIMATE.start_main_~#array1~0#1.base_BEFORE_CALL_2| Int) (|v_ULTIMATE.start_main_~#array2~0#1.base_BEFORE_CALL_2| Int)) (or (let ((.cse5 (not (= |c_assume_abort_if_not_#in~cond| 1)))) (and (or (forall ((|aux_mod_v_ULTIMATE.start_main_~index~0#1_BEFORE_CALL_1_56| Int) (|aux_div_v_ULTIMATE.start_main_~index~0#1_BEFORE_CALL_1_56| Int)) (let ((.cse0 (+ |aux_mod_v_ULTIMATE.start_main_~index~0#1_BEFORE_CALL_1_56| (* 2 |aux_div_v_ULTIMATE.start_main_~index~0#1_BEFORE_CALL_1_56|)))) (or (< .cse0 0) (= |aux_mod_v_ULTIMATE.start_main_~index~0#1_BEFORE_CALL_1_56| 0) (<= (let ((.cse3 (* |aux_mod_v_ULTIMATE.start_main_~index~0#1_BEFORE_CALL_1_56| 4)) (.cse4 (* |aux_div_v_ULTIMATE.start_main_~index~0#1_BEFORE_CALL_1_56| 8))) (let ((.cse2 (store |c_#memory_int| |v_ULTIMATE.start_main_~#array1~0#1.base_BEFORE_CALL_2| (store (select |c_#memory_int| |v_ULTIMATE.start_main_~#array1~0#1.base_BEFORE_CALL_2|) (+ .cse3 |v_ULTIMATE.start_main_~#array1~0#1.offset_BEFORE_CALL_2| .cse4) (* |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_2| (* |v_ULTIMATE.start_main_~count~0#1_BEFORE_CALL_2| |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_2|)))))) (let ((.cse1 (store (select .cse2 |v_ULTIMATE.start_main_~#array2~0#1.base_BEFORE_CALL_2|) (+ .cse3 |v_ULTIMATE.start_main_~#array2~0#1.offset_BEFORE_CALL_2| .cse4) (* |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_2| |v_ULTIMATE.start_main_~count~0#1_BEFORE_CALL_2|)))) (+ (select .cse1 |v_ULTIMATE.start_main_~#array2~0#1.offset_BEFORE_CALL_2|) |v_ULTIMATE.start_main_~sum~0#1_BEFORE_CALL_2| (select (select (store .cse2 |v_ULTIMATE.start_main_~#array2~0#1.base_BEFORE_CALL_2| .cse1) |v_ULTIMATE.start_main_~#array1~0#1.base_BEFORE_CALL_2|) |v_ULTIMATE.start_main_~#array1~0#1.offset_BEFORE_CALL_2|))))) (div (+ c_~ARR_SIZE~0 1) 2)) (< |aux_mod_v_ULTIMATE.start_main_~index~0#1_BEFORE_CALL_1_56| 0) (<= c_~ARR_SIZE~0 .cse0) (<= 2 |aux_mod_v_ULTIMATE.start_main_~index~0#1_BEFORE_CALL_1_56|)))) .cse5) (or .cse5 (forall ((|aux_div_v_ULTIMATE.start_main_~index~0#1_BEFORE_CALL_1_56| Int)) (let ((.cse12 (* 2 |aux_div_v_ULTIMATE.start_main_~index~0#1_BEFORE_CALL_1_56|))) (or (<= (let ((.cse11 (* |aux_div_v_ULTIMATE.start_main_~index~0#1_BEFORE_CALL_1_56| 8))) (let ((.cse9 (select |c_#memory_int| |v_ULTIMATE.start_main_~#array1~0#1.base_BEFORE_CALL_2|)) (.cse10 (+ |v_ULTIMATE.start_main_~#array1~0#1.offset_BEFORE_CALL_2| .cse11))) (let ((.cse7 (store |c_#memory_int| |v_ULTIMATE.start_main_~#array1~0#1.base_BEFORE_CALL_2| (store .cse9 .cse10 (* |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_2| (* |v_ULTIMATE.start_main_~count~0#1_BEFORE_CALL_2| |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_2|)))))) (let ((.cse6 (let ((.cse8 (+ |v_ULTIMATE.start_main_~#array2~0#1.offset_BEFORE_CALL_2| .cse11))) (store (select .cse7 |v_ULTIMATE.start_main_~#array2~0#1.base_BEFORE_CALL_2|) .cse8 (select (select (store |c_#memory_int| |v_ULTIMATE.start_main_~#array1~0#1.base_BEFORE_CALL_2| (store .cse9 .cse10 (* |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_2| (* |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_2| |v_ULTIMATE.start_main_~count~0#1_BEFORE_CALL_2|)))) |v_ULTIMATE.start_main_~#array2~0#1.base_BEFORE_CALL_2|) .cse8))))) (+ (select .cse6 |v_ULTIMATE.start_main_~#array2~0#1.offset_BEFORE_CALL_2|) |v_ULTIMATE.start_main_~sum~0#1_BEFORE_CALL_2| (select (select (store .cse7 |v_ULTIMATE.start_main_~#array2~0#1.base_BEFORE_CALL_2| .cse6) |v_ULTIMATE.start_main_~#array1~0#1.base_BEFORE_CALL_2|) |v_ULTIMATE.start_main_~#array1~0#1.offset_BEFORE_CALL_2|)))))) (div (+ c_~ARR_SIZE~0 1) 2)) (< .cse12 0) (<= c_~ARR_SIZE~0 .cse12))))))) (exists ((|aux_div_ULTIMATE.start_main_~index~0#1_40| Int)) (let ((.cse19 (* 2 |aux_div_ULTIMATE.start_main_~index~0#1_40|))) (and (< (div (+ c_~ARR_SIZE~0 1) 2) (let ((.cse18 (* |aux_div_ULTIMATE.start_main_~index~0#1_40| 8))) (let ((.cse16 (select |c_#memory_int| |v_ULTIMATE.start_main_~#array1~0#1.base_BEFORE_CALL_2|)) (.cse17 (+ |v_ULTIMATE.start_main_~#array1~0#1.offset_BEFORE_CALL_2| .cse18))) (let ((.cse13 (store |c_#memory_int| |v_ULTIMATE.start_main_~#array1~0#1.base_BEFORE_CALL_2| (store .cse16 .cse17 (* |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_2| (* |v_ULTIMATE.start_main_~count~0#1_BEFORE_CALL_2| |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_2|)))))) (let ((.cse14 (let ((.cse15 (+ |v_ULTIMATE.start_main_~#array2~0#1.offset_BEFORE_CALL_2| .cse18))) (store (select .cse13 |v_ULTIMATE.start_main_~#array2~0#1.base_BEFORE_CALL_2|) .cse15 (select (select (store |c_#memory_int| |v_ULTIMATE.start_main_~#array1~0#1.base_BEFORE_CALL_2| (store .cse16 .cse17 (* |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_2| (* |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_2| |v_ULTIMATE.start_main_~count~0#1_BEFORE_CALL_2|)))) |v_ULTIMATE.start_main_~#array2~0#1.base_BEFORE_CALL_2|) .cse15))))) (+ (select (select (store .cse13 |v_ULTIMATE.start_main_~#array2~0#1.base_BEFORE_CALL_2| .cse14) |v_ULTIMATE.start_main_~#array1~0#1.base_BEFORE_CALL_2|) |v_ULTIMATE.start_main_~#array1~0#1.offset_BEFORE_CALL_2|) |v_ULTIMATE.start_main_~sum~0#1_BEFORE_CALL_2| (select .cse14 |v_ULTIMATE.start_main_~#array2~0#1.offset_BEFORE_CALL_2|))))))) (< .cse19 c_~ARR_SIZE~0) (<= 0 .cse19)))) (exists ((|aux_mod_ULTIMATE.start_main_~index~0#1_40| Int) (|aux_div_ULTIMATE.start_main_~index~0#1_40| Int)) (let ((.cse20 (+ (* 2 |aux_div_ULTIMATE.start_main_~index~0#1_40|) |aux_mod_ULTIMATE.start_main_~index~0#1_40|))) (and (<= 0 |aux_mod_ULTIMATE.start_main_~index~0#1_40|) (< |aux_mod_ULTIMATE.start_main_~index~0#1_40| 2) (< .cse20 c_~ARR_SIZE~0) (not (= |aux_mod_ULTIMATE.start_main_~index~0#1_40| 0)) (<= 0 .cse20) (< (div (+ c_~ARR_SIZE~0 1) 2) (let ((.cse23 (* |aux_mod_ULTIMATE.start_main_~index~0#1_40| 4)) (.cse24 (* |aux_div_ULTIMATE.start_main_~index~0#1_40| 8))) (let ((.cse21 (store |c_#memory_int| |v_ULTIMATE.start_main_~#array1~0#1.base_BEFORE_CALL_2| (store (select |c_#memory_int| |v_ULTIMATE.start_main_~#array1~0#1.base_BEFORE_CALL_2|) (+ |v_ULTIMATE.start_main_~#array1~0#1.offset_BEFORE_CALL_2| .cse23 .cse24) (* |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_2| (* |v_ULTIMATE.start_main_~count~0#1_BEFORE_CALL_2| |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_2|)))))) (let ((.cse22 (store (select .cse21 |v_ULTIMATE.start_main_~#array2~0#1.base_BEFORE_CALL_2|) (+ |v_ULTIMATE.start_main_~#array2~0#1.offset_BEFORE_CALL_2| .cse23 .cse24) (* |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_2| |v_ULTIMATE.start_main_~count~0#1_BEFORE_CALL_2|)))) (+ |v_ULTIMATE.start_main_~sum~0#1_BEFORE_CALL_2| (select (select (store .cse21 |v_ULTIMATE.start_main_~#array2~0#1.base_BEFORE_CALL_2| .cse22) |v_ULTIMATE.start_main_~#array1~0#1.base_BEFORE_CALL_2|) |v_ULTIMATE.start_main_~#array1~0#1.offset_BEFORE_CALL_2|) (select .cse22 |v_ULTIMATE.start_main_~#array2~0#1.offset_BEFORE_CALL_2|)))))))))))) is different from true [2021-11-12 23:20:37,550 INFO L354 Elim1Store]: treesize reduction 719, result has 31.4 percent of original size [2021-11-12 23:20:37,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 11 case distinctions, treesize of input 41656 treesize of output 16088 [2021-11-12 23:20:37,764 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:37,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16088 treesize of output 16022 [2021-11-12 23:20:37,961 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:37,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16022 treesize of output 15508 [2021-11-12 23:20:38,157 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:20:38,157 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664086169] [2021-11-12 23:20:38,158 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:20:38,160 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [265428250] [2021-11-12 23:20:38,160 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2021-11-12 23:20:38,160 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [161019411] [2021-11-12 23:20:38,186 INFO L159 IcfgInterpreter]: Started Sifa with 15 locations of interest [2021-11-12 23:20:38,187 INFO L166 IcfgInterpreter]: Building call graph [2021-11-12 23:20:38,193 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-12 23:20:38,198 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-12 23:20:38,199 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-12 23:20:38,236 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:38,238 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:38,241 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:38,242 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:20:38,243 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:38,243 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:38,244 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-12 23:20:38,246 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-12 23:20:38,254 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_13|], 21=[|v_#valid_26|]} [2021-11-12 23:20:38,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:20:38,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:20:38,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:20:38,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-12 23:20:38,269 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:38,270 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:20:38,270 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:38,271 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:20:38,271 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:20:38,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:20:38,296 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:38,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:20:38,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:20:38,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:20:38,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:20:38,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:20:38,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:20:38,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:20:38,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:20:38,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:20:38,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 31 treesize of output 30 [2021-11-12 23:20:38,315 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:38,317 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:20:38,318 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:38,318 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:20:38,318 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:20:38,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:20:38,332 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:38,334 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:38,335 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-12 23:20:38,335 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:20:38,336 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-12 23:20:38,343 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:38,347 INFO L185 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size 97 [2021-11-12 23:20:38,357 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:38,361 INFO L185 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size 97 [2021-11-12 23:20:38,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:20:38,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:20:38,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:20:38,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:20:38,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:20:38,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:20:38,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:20:38,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:20:38,469 INFO L180 QuantifierPusher]: treesize reduction 39, result has 84.5 percent of original size [2021-11-12 23:20:38,470 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:38,471 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:38,471 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-12 23:20:38,472 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:38,473 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:38,474 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:38,474 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:38,475 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-12 23:20:38,476 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:38,476 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:38,477 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-12 23:20:38,478 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-12 23:20:38,478 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:38,479 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:38,480 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-12 23:20:38,482 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-11-12 23:20:38,488 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_14|], 28=[|v_#valid_27|]} [2021-11-12 23:20:38,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:20:38,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:20:38,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:20:38,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:20:38,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:20:38,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:20:38,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:20:38,533 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-12 23:20:38,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 43 [2021-11-12 23:20:38,535 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:38,537 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:20:38,538 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:38,539 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:20:38,539 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:20:38,550 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-12 23:20:38,550 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:38,551 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:20:38,551 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:38,552 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:20:38,552 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:20:38,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:20:38,564 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:38,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:20:38,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:20:38,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:20:38,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:20:38,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:20:38,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:20:38,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:20:38,647 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-11-12 23:20:38,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 61 [2021-11-12 23:20:38,648 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:38,653 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-12 23:20:38,653 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:38,654 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-12 23:20:38,654 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-12 23:20:38,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:20:38,667 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:38,682 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:38,686 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 182 [2021-11-12 23:20:38,687 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:20:38,687 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:368, output treesize:182 [2021-11-12 23:20:38,692 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:38,694 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:38,702 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:38,703 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-11-12 23:20:38,707 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 211 [2021-11-12 23:20:38,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:20:38,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:20:38,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:20:38,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 37 [2021-11-12 23:20:38,729 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:38,731 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:20:38,738 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:38,738 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:20:38,739 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:20:38,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:20:38,751 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:38,754 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:38,757 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-11-12 23:20:38,757 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:20:38,758 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:209, output treesize:196 [2021-11-12 23:20:38,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:20:38,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:20:38,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:20:38,895 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:38,905 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:38,910 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:38,910 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:38,911 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:38,912 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-12 23:20:38,912 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:38,913 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:38,916 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-12 23:20:38,921 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 453 [2021-11-12 23:20:38,922 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:38,932 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:38,937 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 408 [2021-11-12 23:20:38,943 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 497 [2021-11-12 23:20:38,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:20:38,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:20:38,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:20:38,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:20:38,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:20:38,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 67 [2021-11-12 23:20:39,000 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:39,001 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-12 23:20:39,002 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:39,003 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-12 23:20:39,003 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:20:39,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:20:39,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:20:39,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:20:39,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-12 23:20:39,040 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:39,041 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:20:39,042 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:39,042 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:20:39,043 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:20:39,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:20:39,112 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:39,130 INFO L180 QuantifierPusher]: treesize reduction 138, result has 76.5 percent of original size [2021-11-12 23:20:39,136 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 449 [2021-11-12 23:20:39,137 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-12 23:20:39,138 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:623, output treesize:449 [2021-11-12 23:20:39,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:20:39,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:20:39,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:20:39,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:20:39,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:20:39,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:20:39,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:20:39,260 INFO L180 QuantifierPusher]: treesize reduction 48, result has 69.6 percent of original size [2021-11-12 23:20:39,261 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:39,261 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:39,262 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:20:39,263 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-11-12 23:20:39,271 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:20:39,283 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-12 23:20:39,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 42 treesize of output 25 [2021-11-12 23:20:39,285 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:39,288 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:20:39,288 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:39,292 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:20:39,292 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:20:39,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:20:39,296 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:39,298 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:39,304 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-11-12 23:20:39,305 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:20:39,305 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:109, output treesize:91 [2021-11-12 23:20:39,311 INFO L180 QuantifierPusher]: treesize reduction 49, result has 58.5 percent of original size [2021-11-12 23:20:39,313 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-11-12 23:20:39,316 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:39,318 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-11-12 23:20:39,321 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:39,324 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:39,325 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:39,326 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:39,327 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:39,329 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:20:39,330 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-12 23:20:39,333 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-12 23:20:39,335 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:39,339 INFO L185 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size 71 [2021-11-12 23:20:39,343 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:39,345 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:39,346 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:39,348 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:39,349 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:39,350 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:20:39,351 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-12 23:20:39,355 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-12 23:20:39,358 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:39,361 INFO L185 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size 71 [2021-11-12 23:20:39,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:20:39,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:20:39,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:20:39,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:20:39,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:20:39,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:20:39,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:20:39,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:20:39,416 INFO L180 QuantifierPusher]: treesize reduction 117, result has 60.9 percent of original size [2021-11-12 23:20:39,417 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:39,418 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:39,420 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-12 23:20:39,421 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:39,422 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:39,422 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-11-12 23:20:39,423 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:39,424 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:39,426 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-12 23:20:39,428 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-11-12 23:20:39,430 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_2], 5=[|v_#memory_int_37|]} [2021-11-12 23:20:39,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:20:39,441 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:20:39,464 INFO L354 Elim1Store]: treesize reduction 20, result has 47.4 percent of original size [2021-11-12 23:20:39,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 49 treesize of output 32 [2021-11-12 23:20:39,465 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:39,466 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-12 23:20:39,466 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:39,467 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-12 23:20:39,467 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:20:39,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:20:39,479 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:39,484 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:20:39,491 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:20:39,525 INFO L354 Elim1Store]: treesize reduction 42, result has 44.0 percent of original size [2021-11-12 23:20:39,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 116 treesize of output 75 [2021-11-12 23:20:39,526 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:39,531 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:39,531 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:39,533 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:39,533 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:39,546 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-12 23:20:39,547 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-12 23:20:39,548 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:39,549 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:39,550 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:39,551 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:39,552 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:20:39,552 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-12 23:20:39,553 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:39,553 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:39,554 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-12 23:20:39,555 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-12 23:20:39,560 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:20:39,642 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:39,643 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:39,644 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:39,644 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-12 23:20:39,645 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:39,645 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:39,649 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-12 23:20:39,651 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 281 [2021-11-12 23:20:39,654 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_2], 5=[|v_#memory_int_37|]} [2021-11-12 23:20:39,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:20:39,665 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:20:39,687 INFO L354 Elim1Store]: treesize reduction 17, result has 50.0 percent of original size [2021-11-12 23:20:39,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 43 treesize of output 29 [2021-11-12 23:20:39,688 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:39,689 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:20:39,689 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:39,690 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:20:39,690 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:20:39,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:20:39,702 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:39,708 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:20:39,714 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:20:39,745 INFO L354 Elim1Store]: treesize reduction 38, result has 44.9 percent of original size [2021-11-12 23:20:39,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 106 treesize of output 71 [2021-11-12 23:20:39,746 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:39,748 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:39,749 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:39,750 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:39,751 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:39,752 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:20:39,752 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:20:39,754 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:39,754 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:39,755 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:39,755 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:39,756 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-12 23:20:39,757 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-12 23:20:39,758 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:39,758 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:39,759 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-12 23:20:39,760 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-11-12 23:20:39,764 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:20:39,775 INFO L180 QuantifierPusher]: treesize reduction 16, result has 95.0 percent of original size [2021-11-12 23:20:39,778 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:39,779 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:39,779 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-12 23:20:39,780 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:39,780 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:39,781 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-12 23:20:39,783 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 330 [2021-11-12 23:20:39,786 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_2], 5=[|v_#memory_int_37|]} [2021-11-12 23:20:39,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:20:39,797 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:20:39,829 INFO L354 Elim1Store]: treesize reduction 17, result has 50.0 percent of original size [2021-11-12 23:20:39,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 43 treesize of output 29 [2021-11-12 23:20:39,830 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:39,830 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:20:39,831 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:39,831 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:20:39,831 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:20:39,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:20:39,843 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:39,849 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:20:39,857 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:20:39,910 INFO L354 Elim1Store]: treesize reduction 38, result has 44.9 percent of original size [2021-11-12 23:20:39,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 106 treesize of output 71 [2021-11-12 23:20:39,911 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:39,913 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:39,914 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:39,915 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:39,916 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:39,917 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:20:39,918 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:20:39,919 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:39,919 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:39,921 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:39,921 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:39,922 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-12 23:20:39,923 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-12 23:20:39,923 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:39,924 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:39,924 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-12 23:20:39,925 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-11-12 23:20:39,931 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:20:39,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:20:39,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:20:39,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:20:39,964 INFO L180 QuantifierPusher]: treesize reduction 30, result has 95.4 percent of original size [2021-11-12 23:20:39,970 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:39,970 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:39,971 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-12 23:20:39,971 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:39,972 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:39,972 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-12 23:20:39,977 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 703 [2021-11-12 23:20:39,982 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_4, v_prenex_2], 5=[v_prenex_3, |v_#memory_int_37|]} [2021-11-12 23:20:39,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:20:39,996 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:20:40,062 INFO L354 Elim1Store]: treesize reduction 17, result has 50.0 percent of original size [2021-11-12 23:20:40,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 43 treesize of output 29 [2021-11-12 23:20:40,063 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:40,063 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:20:40,064 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:40,064 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:20:40,065 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:20:40,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:20:40,090 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:40,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:20:40,104 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:20:40,142 INFO L354 Elim1Store]: treesize reduction 17, result has 50.0 percent of original size [2021-11-12 23:20:40,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 43 treesize of output 29 [2021-11-12 23:20:40,143 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:40,143 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:20:40,144 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:40,144 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:20:40,144 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:20:40,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:20:40,164 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:40,173 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:20:40,184 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:20:40,242 INFO L354 Elim1Store]: treesize reduction 38, result has 44.9 percent of original size [2021-11-12 23:20:40,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 106 treesize of output 71 [2021-11-12 23:20:40,243 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:40,245 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:40,246 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:40,247 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:40,248 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:40,250 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:40,250 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:40,251 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:40,251 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:40,252 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-12 23:20:40,253 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-12 23:20:40,253 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:40,254 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:40,254 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:20:40,255 INFO L185 QuantifierPusher]: treesize reduction 9, result has 81.3 percent of original size 39 [2021-11-12 23:20:40,256 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:40,257 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:40,258 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:20:40,259 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-12 23:20:40,259 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:40,259 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:40,261 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:40,261 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:40,262 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:40,262 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:40,263 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-12 23:20:40,264 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-12 23:20:40,265 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:40,265 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:40,266 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-12 23:20:40,267 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-11-12 23:20:40,268 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:40,269 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:40,270 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:40,270 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:40,271 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:40,272 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:40,273 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:40,273 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:40,274 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-12 23:20:40,279 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-12 23:20:40,280 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:40,280 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:40,281 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:20:40,281 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:20:40,282 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:40,282 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:40,283 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:40,284 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:40,285 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:40,285 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:40,286 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-12 23:20:40,287 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-12 23:20:40,287 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:40,288 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:40,289 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-12 23:20:40,289 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-11-12 23:20:40,290 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:40,292 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:40,292 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:40,293 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:40,293 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-12 23:20:40,294 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:40,295 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:40,295 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-12 23:20:40,296 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-11-12 23:20:40,296 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:40,297 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:40,298 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-11-12 23:20:40,299 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:40,299 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:40,300 INFO L185 QuantifierPusher]: treesize reduction 4, result has 66.7 percent of original size 8 [2021-11-12 23:20:40,301 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:40,302 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:40,302 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:40,303 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:40,303 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-12 23:20:40,305 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-12 23:20:40,305 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:40,307 INFO L180 QuantifierPusher]: treesize reduction 4, result has 89.7 percent of original size [2021-11-12 23:20:40,307 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-12 23:20:40,308 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2021-11-12 23:20:40,309 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:40,309 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:40,310 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-12 23:20:40,312 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-11-12 23:20:40,320 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:20:40,321 INFO L446 ElimStorePlain]: Different costs {0=[v_arrayElimArr_9], 1=[v_arrayElimArr_10]} [2021-11-12 23:20:40,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:20:40,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:20:40,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:20:40,377 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:40,378 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-12 23:20:40,384 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:40,392 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:40,392 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:40,394 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:20:40,395 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:40,396 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:20:40,397 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-12 23:20:40,399 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-12 23:20:40,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:20:40,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:20:40,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:20:40,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:20:40,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:20:40,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:20:40,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:20:40,462 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 40 for LOIs [2021-11-12 23:20:40,464 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-12 23:20:52,252 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:20:52,252 INFO L186 FreeRefinementEngine]: Found 0 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:20:52,252 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-11-12 23:20:52,252 ERROR L172 FreeRefinementEngine]: Strategy SIFA_TAIPAN failed to provide any proof altough trace is infeasible [2021-11-12 23:20:52,252 INFO L628 BasicCegarLoop]: Counterexample might be feasible [2021-11-12 23:20:52,257 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-12 23:20:52,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:20:52,458 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:20:52,461 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-11-12 23:20:52,462 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-12 23:20:52,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 11:20:52 BoogieIcfgContainer [2021-11-12 23:20:52,475 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-12 23:20:52,476 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-12 23:20:52,476 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-12 23:20:52,476 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-12 23:20:52,477 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:20:01" (3/4) ... [2021-11-12 23:20:52,480 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-12 23:20:52,480 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-12 23:20:52,480 INFO L158 Benchmark]: Toolchain (without parser) took 51950.75ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 53.3MB in the beginning and 53.4MB in the end (delta: -96.1kB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2021-11-12 23:20:52,481 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 88.1MB. Free memory was 59.6MB in the beginning and 59.6MB in the end (delta: 28.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:20:52,482 INFO L158 Benchmark]: CACSL2BoogieTranslator took 241.53ms. Allocated memory is still 88.1MB. Free memory was 53.1MB in the beginning and 63.1MB in the end (delta: -10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-12 23:20:52,482 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.45ms. Allocated memory is still 88.1MB. Free memory was 63.1MB in the beginning and 61.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:20:52,482 INFO L158 Benchmark]: Boogie Preprocessor took 27.16ms. Allocated memory is still 88.1MB. Free memory was 61.3MB in the beginning and 60.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:20:52,482 INFO L158 Benchmark]: RCFGBuilder took 351.69ms. Allocated memory is still 88.1MB. Free memory was 60.2MB in the beginning and 47.1MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-12 23:20:52,483 INFO L158 Benchmark]: TraceAbstraction took 51287.34ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 46.7MB in the beginning and 53.4MB in the end (delta: -6.6MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2021-11-12 23:20:52,483 INFO L158 Benchmark]: Witness Printer took 3.85ms. Allocated memory is still 107.0MB. Free memory is still 53.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:20:52,495 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 88.1MB. Free memory was 59.6MB in the beginning and 59.6MB in the end (delta: 28.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 241.53ms. Allocated memory is still 88.1MB. Free memory was 53.1MB in the beginning and 63.1MB in the end (delta: -10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.45ms. Allocated memory is still 88.1MB. Free memory was 63.1MB in the beginning and 61.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.16ms. Allocated memory is still 88.1MB. Free memory was 61.3MB in the beginning and 60.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 351.69ms. Allocated memory is still 88.1MB. Free memory was 60.2MB in the beginning and 47.1MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 51287.34ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 46.7MB in the beginning and 53.4MB in the end (delta: -6.6MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. * Witness Printer took 3.85ms. Allocated memory is still 107.0MB. Free memory is still 53.4MB. There was no memory consumed. 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 - UnprovableResult [Line: 33]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L37] signed long long ARR_SIZE ; [L41] ARR_SIZE = (signed long long)__VERIFIER_nondet_short() [L42] CALL assume_abort_if_not(ARR_SIZE > 0) [L31] COND TRUE !cond [L42] RET assume_abort_if_not(ARR_SIZE > 0) [L44] int array1[ARR_SIZE] ; [L45] int array2[ARR_SIZE] ; [L46] int count = 0, num = -1 ; [L47] signed long long sum = 0 ; [L48] int temp ; [L49] short index ; [L51] count=0 [L51] COND TRUE count=0 && index < ARR_SIZE) [L31] COND TRUE !cond [L63] RET assume_abort_if_not(index>=0 && index < ARR_SIZE) [L65] array1[index] = num * (num * count) [L66] EXPR (index % 2 == 0) ? array2[index] : (num * count) [L66] EXPR array2[index] [L66] EXPR (index % 2 == 0) ? array2[index] : (num * count) [L66] array2[index] = (index % 2 == 0) ? array2[index] : (num * count) [L68] temp = __VERIFIER_nondet_int() [L69] COND TRUE temp == 0 [L72] count=0 [L72] COND TRUE count main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF 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 ! call(reach_error())) ) 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 -> 06625eaf591a62e295090a882d83c1e11aaafca7ac8895e7d4adcf51d5b26e02 [2021-11-12 23:20:55,415 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:20:55,436 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:20:55,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:20:55,439 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:20:55,441 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:20:55,442 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/array-patterns/array8_pattern.c [2021-11-12 23:20:55,509 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF/data/554711497/f70cf9df8bf8453199ee60580b486ca9/FLAG9ab6c6af1 [2021-11-12 23:20:56,075 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:20:56,076 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/sv-benchmarks/c/array-patterns/array8_pattern.c [2021-11-12 23:20:56,083 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF/data/554711497/f70cf9df8bf8453199ee60580b486ca9/FLAG9ab6c6af1 [2021-11-12 23:20:56,443 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF/data/554711497/f70cf9df8bf8453199ee60580b486ca9 [2021-11-12 23:20:56,445 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:20:56,447 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:20:56,448 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:20:56,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:20:56,452 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:20:56,453 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:20:56" (1/1) ... [2021-11-12 23:20:56,454 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68507642 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:20:56, skipping insertion in model container [2021-11-12 23:20:56,454 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:20:56" (1/1) ... [2021-11-12 23:20:56,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:20:56,476 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:20:56,613 WARN L228 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_0ddc3f3f-e767-4c50-8680-208e492ecf9a/sv-benchmarks/c/array-patterns/array8_pattern.c[1321,1334] [2021-11-12 23:20:56,633 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:20:56,642 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:20:56,655 WARN L228 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_0ddc3f3f-e767-4c50-8680-208e492ecf9a/sv-benchmarks/c/array-patterns/array8_pattern.c[1321,1334] [2021-11-12 23:20:56,683 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:20:56,697 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:20:56,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:20:56 WrapperNode [2021-11-12 23:20:56,698 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:20:56,699 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:20:56,699 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:20:56,699 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:20:56,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:20:56" (1/1) ... [2021-11-12 23:20:56,733 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:20:56" (1/1) ... [2021-11-12 23:20:56,764 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:20:56,765 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:20:56,765 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:20:56,765 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:20:56,773 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:20:56" (1/1) ... [2021-11-12 23:20:56,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:20:56" (1/1) ... [2021-11-12 23:20:56,784 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:20:56" (1/1) ... [2021-11-12 23:20:56,784 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:20:56" (1/1) ... [2021-11-12 23:20:56,802 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:20:56" (1/1) ... [2021-11-12 23:20:56,808 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:20:56" (1/1) ... [2021-11-12 23:20:56,815 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:20:56" (1/1) ... [2021-11-12 23:20:56,822 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:20:56,825 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:20:56,826 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:20:56,826 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:20:56,827 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:20:56" (1/1) ... [2021-11-12 23:20:56,835 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:20:56,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:20:56,860 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:20:56,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:20:56,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 23:20:56,914 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-12 23:20:56,915 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-12 23:20:56,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:20:56,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-12 23:20:56,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:20:56,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:20:56,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:20:56,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-12 23:20:57,340 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:20:57,341 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-12 23:20:57,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:20:57 BoogieIcfgContainer [2021-11-12 23:20:57,342 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:20:57,344 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:20:57,344 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:20:57,367 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:20:57,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:20:56" (1/3) ... [2021-11-12 23:20:57,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9770de4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:20:57, skipping insertion in model container [2021-11-12 23:20:57,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:20:56" (2/3) ... [2021-11-12 23:20:57,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9770de4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:20:57, skipping insertion in model container [2021-11-12 23:20:57,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:20:57" (3/3) ... [2021-11-12 23:20:57,370 INFO L111 eAbstractionObserver]: Analyzing ICFG array8_pattern.c [2021-11-12 23:20:57,375 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:20:57,375 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 23:20:57,445 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:20:57,455 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-12 23:20:57,455 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-12 23:20:57,484 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 23 states have (on average 1.4782608695652173) internal successors, (34), 24 states have internal predecessors, (34), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-12 23:20:57,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-12 23:20:57,489 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:20:57,490 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:20:57,490 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:20:57,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:20:57,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1127586545, now seen corresponding path program 1 times [2021-11-12 23:20:57,507 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:20:57,508 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1134289096] [2021-11-12 23:20:57,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:20:57,509 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:20:57,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:20:57,512 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:20:57,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 23:20:57,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:20:57,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-12 23:20:57,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:20:57,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:20:57,652 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:20:57,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:20:57,693 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:20:57,693 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1134289096] [2021-11-12 23:20:57,694 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1134289096] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:20:57,694 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:20:57,695 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-12 23:20:57,696 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335912560] [2021-11-12 23:20:57,697 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:20:57,701 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-12 23:20:57,702 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:20:57,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-12 23:20:57,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-12 23:20:57,741 INFO L87 Difference]: Start difference. First operand has 28 states, 23 states have (on average 1.4782608695652173) internal successors, (34), 24 states have internal predecessors, (34), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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) [2021-11-12 23:20:57,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:20:57,768 INFO L93 Difference]: Finished difference Result 53 states and 74 transitions. [2021-11-12 23:20:57,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-12 23:20:57,770 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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 16 [2021-11-12 23:20:57,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:20:57,784 INFO L225 Difference]: With dead ends: 53 [2021-11-12 23:20:57,784 INFO L226 Difference]: Without dead ends: 24 [2021-11-12 23:20:57,787 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-12 23:20:57,794 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.54ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-12 23:20:57,796 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 1.54ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-12 23:20:57,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2021-11-12 23:20:57,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2021-11-12 23:20:57,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 20 states have (on average 1.2) internal successors, (24), 20 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-12 23:20:57,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2021-11-12 23:20:57,845 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 16 [2021-11-12 23:20:57,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:20:57,846 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2021-11-12 23:20:57,846 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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) [2021-11-12 23:20:57,847 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2021-11-12 23:20:57,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-12 23:20:57,849 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:20:57,850 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:20:57,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:20:58,062 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:20:58,062 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:20:58,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:20:58,063 INFO L85 PathProgramCache]: Analyzing trace with hash 1008571545, now seen corresponding path program 1 times [2021-11-12 23:20:58,064 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:20:58,064 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [247878228] [2021-11-12 23:20:58,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:20:58,065 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:20:58,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:20:58,068 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:20:58,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 23:20:58,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:20:58,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-12 23:20:58,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:20:58,879 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:20:58,880 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:20:59,442 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-12 23:20:59,442 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:20:59,442 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [247878228] [2021-11-12 23:20:59,443 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [247878228] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:20:59,444 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [104189306] [2021-11-12 23:20:59,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:20:59,445 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:20:59,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:20:59,459 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:20:59,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2021-11-12 23:20:59,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:20:59,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-12 23:20:59,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:21:00,014 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:21:00,015 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:21:00,270 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-12 23:21:00,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [104189306] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:21:00,271 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1944579448] [2021-11-12 23:21:00,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:21:00,271 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:21:00,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:21:00,276 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:21:00,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-12 23:21:00,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:21:00,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-12 23:21:00,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:21:00,569 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:21:00,569 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:21:00,799 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-12 23:21:00,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1944579448] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:21:00,799 INFO L186 FreeRefinementEngine]: Found 1 perfect and 5 imperfect interpolant sequences. [2021-11-12 23:21:00,800 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8, 8, 8, 8, 6] total 20 [2021-11-12 23:21:00,800 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418176165] [2021-11-12 23:21:00,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:21:00,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:21:00,801 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:21:00,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:21:00,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=300, Unknown=0, NotChecked=0, Total=380 [2021-11-12 23:21:00,815 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-12 23:21:01,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:21:01,080 INFO L93 Difference]: Finished difference Result 50 states and 57 transitions. [2021-11-12 23:21:01,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-12 23:21:01,081 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 25 [2021-11-12 23:21:01,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:21:01,082 INFO L225 Difference]: With dead ends: 50 [2021-11-12 23:21:01,082 INFO L226 Difference]: Without dead ends: 32 [2021-11-12 23:21:01,085 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 124 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=104, Invalid=402, Unknown=0, NotChecked=0, Total=506 [2021-11-12 23:21:01,086 INFO L933 BasicCegarLoop]: 19 mSDtfsCounter, 29 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 121.60ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.17ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 142.47ms IncrementalHoareTripleChecker+Time [2021-11-12 23:21:01,087 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 57 Invalid, 59 Unknown, 0 Unchecked, 2.17ms Time], IncrementalHoareTripleChecker [4 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 142.47ms Time] [2021-11-12 23:21:01,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2021-11-12 23:21:01,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2021-11-12 23:21:01,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 25 states have (on average 1.16) internal successors, (29), 25 states have internal predecessors, (29), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-12 23:21:01,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2021-11-12 23:21:01,094 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 25 [2021-11-12 23:21:01,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:21:01,095 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2021-11-12 23:21:01,095 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-12 23:21:01,096 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2021-11-12 23:21:01,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-12 23:21:01,097 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:21:01,097 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-12 23:21:01,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:21:01,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-12 23:21:01,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2021-11-12 23:21:01,708 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt [2021-11-12 23:21:01,709 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:21:01,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:21:01,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1890411897, now seen corresponding path program 1 times [2021-11-12 23:21:01,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:21:01,710 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [483769261] [2021-11-12 23:21:01,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:21:01,711 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:21:01,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:21:01,712 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:21:01,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3f3f-e767-4c50-8680-208e492ecf9a/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-12 23:21:01,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:21:01,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-12 23:21:01,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:21:02,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2021-11-12 23:21:02,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 39 treesize of output 23 [2021-11-12 23:21:03,478 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:21:03,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 26 [2021-11-12 23:21:03,897 INFO L354 Elim1Store]: treesize reduction 131, result has 10.9 percent of original size [2021-11-12 23:21:03,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 54 treesize of output 43 [2021-11-12 23:21:04,330 INFO L354 Elim1Store]: treesize reduction 58, result has 15.9 percent of original size [2021-11-12 23:21:04,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 45 treesize of output 33 [2021-11-12 23:21:04,629 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:21:04,629 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:21:27,459 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~#array1~0#1.offset_BEFORE_CALL_2| (_ BitVec 32)) (|v_ULTIMATE.start_main_~#array1~0#1.base_BEFORE_CALL_2| (_ BitVec 32)) (|v_ULTIMATE.start_main_~index~0#1_BEFORE_CALL_1| (_ BitVec 16)) (|v_ULTIMATE.start_main_~#array2~0#1.base_BEFORE_CALL_2| (_ BitVec 32)) (|v_ULTIMATE.start_main_~count~0#1_BEFORE_CALL_2| (_ BitVec 32)) (|v_ULTIMATE.start_main_~sum~0#1_BEFORE_CALL_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_2| (_ BitVec 32)) (|v_ULTIMATE.start_main_~#array2~0#1.offset_BEFORE_CALL_2| (_ BitVec 32))) (let ((.cse1 ((_ sign_extend 16) |v_ULTIMATE.start_main_~index~0#1_BEFORE_CALL_1|))) (or (bvsle (let ((.cse0 (store (select |c_#memory_int| |v_ULTIMATE.start_main_~#array1~0#1.base_BEFORE_CALL_2|) (bvadd |v_ULTIMATE.start_main_~#array1~0#1.offset_BEFORE_CALL_2| (bvmul .cse1 (_ bv4 32))) (bvmul |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_2| (bvmul |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_2| |v_ULTIMATE.start_main_~count~0#1_BEFORE_CALL_2|))))) (bvadd (bvmul ((_ sign_extend 32) (select (select (store |c_#memory_int| |v_ULTIMATE.start_main_~#array1~0#1.base_BEFORE_CALL_2| .cse0) |v_ULTIMATE.start_main_~#array2~0#1.base_BEFORE_CALL_2|) |v_ULTIMATE.start_main_~#array2~0#1.offset_BEFORE_CALL_2|)) (_ bv2 64)) (bvmul |v_ULTIMATE.start_main_~sum~0#1_BEFORE_CALL_6| (_ bv2 64)) (bvmul ((_ sign_extend 32) (select .cse0 |v_ULTIMATE.start_main_~#array1~0#1.offset_BEFORE_CALL_2|)) (_ bv2 64)))) (bvadd c_~ARR_SIZE~0 (_ bv1 64))) (exists ((|ULTIMATE.start_main_~index~0#1| (_ BitVec 16))) (let ((.cse3 ((_ sign_extend 16) |ULTIMATE.start_main_~index~0#1|))) (and (not (bvsle (let ((.cse2 (store (select |c_#memory_int| |v_ULTIMATE.start_main_~#array1~0#1.base_BEFORE_CALL_2|) (bvadd (bvmul .cse3 (_ bv4 32)) |v_ULTIMATE.start_main_~#array1~0#1.offset_BEFORE_CALL_2|) (bvmul |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_2| (bvmul |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_2| |v_ULTIMATE.start_main_~count~0#1_BEFORE_CALL_2|))))) (bvadd (bvmul ((_ sign_extend 32) (select .cse2 |v_ULTIMATE.start_main_~#array1~0#1.offset_BEFORE_CALL_2|)) (_ bv2 64)) (bvmul |v_ULTIMATE.start_main_~sum~0#1_BEFORE_CALL_6| (_ bv2 64)) (bvmul ((_ sign_extend 32) (select (select (store |c_#memory_int| |v_ULTIMATE.start_main_~#array1~0#1.base_BEFORE_CALL_2| .cse2) |v_ULTIMATE.start_main_~#array2~0#1.base_BEFORE_CALL_2|) |v_ULTIMATE.start_main_~#array2~0#1.offset_BEFORE_CALL_2|)) (_ bv2 64)))) (bvadd c_~ARR_SIZE~0 (_ bv1 64)))) (bvslt ((_ sign_extend 32) .cse3) c_~ARR_SIZE~0) (bvsge .cse3 (_ bv0 32))))) (let ((.cse5 (bvsge .cse1 (_ bv0 32))) (.cse4 (bvslt ((_ sign_extend 32) .cse1) c_~ARR_SIZE~0))) (and (or (not (= |c_assume_abort_if_not_#in~cond| (_ bv0 32))) (and .cse4 .cse5)) (or (not (= |c_assume_abort_if_not_#in~cond| (_ bv1 32))) (not .cse5) (not .cse4))))))) is different from false [2021-11-12 23:22:25,890 WARN L227 SmtUtils]: Spent 13.16s on a formula simplification that was a NOOP. DAG size: 74 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-12 23:22:36,800 INFO L354 Elim1Store]: treesize reduction 90, result has 37.1 percent of original size [2021-11-12 23:22:36,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 1423 treesize of output 891 [2021-11-12 23:22:36,917 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:22:36,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 891 treesize of output 861 [2021-11-12 23:22:37,173 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:22:37,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 21 [2021-11-12 23:22:37,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 4 [2021-11-12 23:23:12,337 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:12,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 361 treesize of output 399