./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array10_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e425c4-fc35-4f64-b9ea-7ce322b95425/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e425c4-fc35-4f64-b9ea-7ce322b95425/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e425c4-fc35-4f64-b9ea-7ce322b95425/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e425c4-fc35-4f64-b9ea-7ce322b95425/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-patterns/array10_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e425c4-fc35-4f64-b9ea-7ce322b95425/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e425c4-fc35-4f64-b9ea-7ce322b95425/bin/utaipan-EQgc7hIp5V --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 0942a0394519a722254bfe5a1820a904a71ba1b47e3e66c2c8dc2abe6585692f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:49:40,264 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:49:40,272 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:49:40,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:49:40,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:49:40,367 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:49:40,369 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:49:40,377 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:49:40,379 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:49:40,381 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:49:40,383 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:49:40,384 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:49:40,385 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:49:40,387 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:49:40,389 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:49:40,391 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:49:40,392 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:49:40,394 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:49:40,397 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:49:40,400 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:49:40,402 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:49:40,404 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:49:40,406 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:49:40,407 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:49:40,412 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:49:40,413 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:49:40,413 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:49:40,415 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:49:40,416 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:49:40,417 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:49:40,418 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:49:40,419 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:49:40,420 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:49:40,422 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:49:40,423 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:49:40,424 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:49:40,425 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:49:40,425 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:49:40,425 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:49:40,427 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:49:40,428 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:49:40,429 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e425c4-fc35-4f64-b9ea-7ce322b95425/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 02:49:40,466 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:49:40,467 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:49:40,468 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:49:40,468 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:49:40,473 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:49:40,473 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:49:40,474 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:49:40,474 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:49:40,474 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:49:40,475 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:49:40,475 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:49:40,475 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:49:40,476 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:49:40,477 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:49:40,477 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:49:40,478 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:49:40,478 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:49:40,478 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:49:40,479 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:49:40,481 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 02:49:40,481 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:49:40,481 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 02:49:40,482 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:49:40,482 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:49:40,482 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:49:40,483 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:49:40,484 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 02:49:40,485 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:49:40,485 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:49:40,486 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:49:40,486 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:49:40,486 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:49:40,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:49:40,487 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:49:40,487 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:49:40,488 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:49:40,488 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:49:40,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:49:40,489 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:49:40,489 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:49:40,489 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:49:40,489 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_e2e425c4-fc35-4f64-b9ea-7ce322b95425/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e425c4-fc35-4f64-b9ea-7ce322b95425/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0942a0394519a722254bfe5a1820a904a71ba1b47e3e66c2c8dc2abe6585692f [2021-11-23 02:49:40,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:49:40,881 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:49:40,884 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:49:40,886 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:49:40,887 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:49:40,888 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e425c4-fc35-4f64-b9ea-7ce322b95425/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/array-patterns/array10_pattern.c [2021-11-23 02:49:40,989 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e425c4-fc35-4f64-b9ea-7ce322b95425/bin/utaipan-EQgc7hIp5V/data/ae44ce904/dac00b340ee944e4bf808a599df05f30/FLAG0d3dd90b3 [2021-11-23 02:49:41,659 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:49:41,660 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e425c4-fc35-4f64-b9ea-7ce322b95425/sv-benchmarks/c/array-patterns/array10_pattern.c [2021-11-23 02:49:41,669 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e425c4-fc35-4f64-b9ea-7ce322b95425/bin/utaipan-EQgc7hIp5V/data/ae44ce904/dac00b340ee944e4bf808a599df05f30/FLAG0d3dd90b3 [2021-11-23 02:49:42,025 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e425c4-fc35-4f64-b9ea-7ce322b95425/bin/utaipan-EQgc7hIp5V/data/ae44ce904/dac00b340ee944e4bf808a599df05f30 [2021-11-23 02:49:42,027 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:49:42,028 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:49:42,039 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:49:42,039 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:49:42,043 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:49:42,045 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:49:42" (1/1) ... [2021-11-23 02:49:42,046 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63429e42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:42, skipping insertion in model container [2021-11-23 02:49:42,047 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:49:42" (1/1) ... [2021-11-23 02:49:42,056 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:49:42,076 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:49:42,275 WARN L230 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_e2e425c4-fc35-4f64-b9ea-7ce322b95425/sv-benchmarks/c/array-patterns/array10_pattern.c[1326,1339] [2021-11-23 02:49:42,310 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:49:42,319 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:49:42,333 WARN L230 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_e2e425c4-fc35-4f64-b9ea-7ce322b95425/sv-benchmarks/c/array-patterns/array10_pattern.c[1326,1339] [2021-11-23 02:49:42,358 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:49:42,373 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:49:42,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:42 WrapperNode [2021-11-23 02:49:42,374 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:49:42,375 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:49:42,375 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:49:42,375 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:49:42,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:42" (1/1) ... [2021-11-23 02:49:42,392 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:42" (1/1) ... [2021-11-23 02:49:42,426 INFO L137 Inliner]: procedures = 16, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 82 [2021-11-23 02:49:42,426 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:49:42,427 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:49:42,427 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:49:42,427 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:49:42,437 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:42" (1/1) ... [2021-11-23 02:49:42,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:42" (1/1) ... [2021-11-23 02:49:42,440 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:42" (1/1) ... [2021-11-23 02:49:42,445 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:42" (1/1) ... [2021-11-23 02:49:42,458 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:42" (1/1) ... [2021-11-23 02:49:42,472 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:42" (1/1) ... [2021-11-23 02:49:42,474 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:42" (1/1) ... [2021-11-23 02:49:42,487 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:49:42,488 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:49:42,488 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:49:42,488 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:49:42,489 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:42" (1/1) ... [2021-11-23 02:49:42,500 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:49:42,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e425c4-fc35-4f64-b9ea-7ce322b95425/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:49:42,539 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e425c4-fc35-4f64-b9ea-7ce322b95425/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:49:42,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e425c4-fc35-4f64-b9ea-7ce322b95425/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:49:42,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:49:42,601 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 02:49:42,602 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 02:49:42,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:49:42,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:49:42,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 02:49:42,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:49:42,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:49:42,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 02:49:42,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:49:42,693 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:49:42,695 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:49:42,993 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:49:43,061 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:49:43,062 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 02:49:43,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:49:43 BoogieIcfgContainer [2021-11-23 02:49:43,065 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:49:43,067 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:49:43,067 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:49:43,071 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:49:43,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:49:42" (1/3) ... [2021-11-23 02:49:43,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69c4a6c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:49:43, skipping insertion in model container [2021-11-23 02:49:43,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:42" (2/3) ... [2021-11-23 02:49:43,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69c4a6c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:49:43, skipping insertion in model container [2021-11-23 02:49:43,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:49:43" (3/3) ... [2021-11-23 02:49:43,074 INFO L111 eAbstractionObserver]: Analyzing ICFG array10_pattern.c [2021-11-23 02:49:43,080 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:49:43,080 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 02:49:43,137 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:49:43,145 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 [2021-11-23 02:49:43,146 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 02:49:43,175 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) [2021-11-23 02:49:43,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 02:49:43,180 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:49:43,182 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:49:43,182 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:49:43,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:49:43,189 INFO L85 PathProgramCache]: Analyzing trace with hash -366719187, now seen corresponding path program 1 times [2021-11-23 02:49:43,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:49:43,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307623467] [2021-11-23 02:49:43,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:49:43,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:49:43,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:49:43,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:49:43,459 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:49:43,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307623467] [2021-11-23 02:49:43,461 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307623467] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:49:43,462 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:49:43,462 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 02:49:43,464 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800998496] [2021-11-23 02:49:43,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:49:43,472 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 02:49:43,473 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:49:43,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 02:49:43,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 02:49:43,525 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) [2021-11-23 02:49:43,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:49:43,590 INFO L93 Difference]: Finished difference Result 24 states and 30 transitions. [2021-11-23 02:49:43,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 02:49:43,593 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 [2021-11-23 02:49:43,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:49:43,602 INFO L225 Difference]: With dead ends: 24 [2021-11-23 02:49:43,602 INFO L226 Difference]: Without dead ends: 15 [2021-11-23 02:49:43,606 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 [2021-11-23 02:49:43,614 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:49:43,616 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 12 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 02:49:43,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2021-11-23 02:49:43,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2021-11-23 02:49:43,660 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) [2021-11-23 02:49:43,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2021-11-23 02:49:43,663 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 18 transitions. Word has length 11 [2021-11-23 02:49:43,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:49:43,665 INFO L470 AbstractCegarLoop]: Abstraction has 15 states and 18 transitions. [2021-11-23 02:49:43,667 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) [2021-11-23 02:49:43,668 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2021-11-23 02:49:43,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 02:49:43,673 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:49:43,673 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:49:43,674 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 02:49:43,675 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:49:43,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:49:43,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1996065414, now seen corresponding path program 1 times [2021-11-23 02:49:43,680 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:49:43,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273601085] [2021-11-23 02:49:43,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:49:43,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:49:43,738 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:49:43,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2095297896] [2021-11-23 02:49:43,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:49:43,740 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:49:43,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e425c4-fc35-4f64-b9ea-7ce322b95425/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:49:43,742 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e425c4-fc35-4f64-b9ea-7ce322b95425/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:49:43,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e425c4-fc35-4f64-b9ea-7ce322b95425/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 02:49:43,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:49:43,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 02:49:43,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:49:44,016 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:49:44,023 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:49:44,023 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:49:44,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273601085] [2021-11-23 02:49:44,024 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:49:44,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2095297896] [2021-11-23 02:49:44,025 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2095297896] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:49:44,025 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:49:44,025 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 02:49:44,026 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267160534] [2021-11-23 02:49:44,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:49:44,027 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 02:49:44,027 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:49:44,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 02:49:44,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:49:44,029 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) [2021-11-23 02:49:44,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:49:44,107 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2021-11-23 02:49:44,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 02:49:44,108 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 [2021-11-23 02:49:44,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:49:44,109 INFO L225 Difference]: With dead ends: 30 [2021-11-23 02:49:44,110 INFO L226 Difference]: Without dead ends: 19 [2021-11-23 02:49:44,110 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-23 02:49:44,112 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 13 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:49:44,113 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 21 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 02:49:44,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2021-11-23 02:49:44,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-11-23 02:49:44,119 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) [2021-11-23 02:49:44,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2021-11-23 02:49:44,121 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 16 [2021-11-23 02:49:44,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:49:44,121 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2021-11-23 02:49:44,122 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) [2021-11-23 02:49:44,122 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2021-11-23 02:49:44,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 02:49:44,123 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:49:44,123 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:49:44,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e425c4-fc35-4f64-b9ea-7ce322b95425/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 02:49:44,341 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e425c4-fc35-4f64-b9ea-7ce322b95425/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:49:44,342 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:49:44,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:49:44,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1424177371, now seen corresponding path program 1 times [2021-11-23 02:49:44,345 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:49:44,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994263825] [2021-11-23 02:49:44,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:49:44,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:49:44,375 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:49:44,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1277594607] [2021-11-23 02:49:44,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:49:44,376 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:49:44,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e425c4-fc35-4f64-b9ea-7ce322b95425/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:49:44,377 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e425c4-fc35-4f64-b9ea-7ce322b95425/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:49:44,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e425c4-fc35-4f64-b9ea-7ce322b95425/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 02:49:44,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:49:44,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 02:49:44,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:49:44,572 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 [2021-11-23 02:49:44,626 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 [2021-11-23 02:49:45,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:45,859 INFO L354 Elim1Store]: treesize reduction 557, result has 10.6 percent of original size [2021-11-23 02:49:45,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 347 treesize of output 305 [2021-11-23 02:49:46,293 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:49:46,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:46,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:46,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 37 [2021-11-23 02:49:46,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:46,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 153 treesize of output 81 [2021-11-23 02:49:46,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:46,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:46,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 46 [2021-11-23 02:49:49,413 INFO L354 Elim1Store]: treesize reduction 93, result has 7.0 percent of original size [2021-11-23 02:49:49,414 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 150 treesize of output 127 [2021-11-23 02:49:57,120 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:49:57,121 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:52:40,293 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse40 (mod |c_ULTIMATE.start_main_~index~0#1| 4294967296)) (.cse38 (* |c_ULTIMATE.start_main_~num~0#1| |c_ULTIMATE.start_main_~index~0#1|))) (let ((.cse41 (mod (* (* (* .cse38 |c_ULTIMATE.start_main_~num~0#1|) |c_ULTIMATE.start_main_~num~0#1|) |c_ULTIMATE.start_main_~num~0#1|) 4294967296)) (.cse39 (* .cse40 4))) (let ((.cse10 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| .cse39)) (.cse9 (select |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base|)) (.cse27 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| (- 17179869184) .cse39)) (.cse42 (+ .cse41 (- 4294967296)))) (let ((.cse21 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse9 .cse27 .cse42))) (.cse25 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse9 .cse27 .cse41))) (.cse11 (mod (* |c_ULTIMATE.start_main_~num~0#1| (* |c_ULTIMATE.start_main_~num~0#1| (* |c_ULTIMATE.start_main_~num~0#1| .cse38))) 4294967296)) (.cse12 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse9 .cse10 .cse42))) (.cse4 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse9 .cse10 .cse41)))) (let ((.cse0 (< 2147483647 .cse40)) (.cse5 (select .cse4 |c_ULTIMATE.start_main_~#array2~0#1.base|)) (.cse14 (select .cse12 |c_ULTIMATE.start_main_~#array2~0#1.base|)) (.cse6 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse39)) (.cse18 (<= .cse40 2147483647)) (.cse1 (< 2147483647 .cse11)) (.cse26 (select .cse25 |c_ULTIMATE.start_main_~#array2~0#1.base|)) (.cse22 (select .cse21 |c_ULTIMATE.start_main_~#array2~0#1.base|)) (.cse23 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| (- 17179869184) .cse39)) (.cse7 (div (+ (- 1) c_~ARR_SIZE~0 (* c_~ARR_SIZE~0 c_~ARR_SIZE~0)) 4)) (.cse29 (= (mod |c_ULTIMATE.start_main_~index~0#1| 2) 0))) (and (or (let ((.cse17 (+ .cse11 (- 4294967296)))) (and (or .cse0 (let ((.cse15 (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse9 .cse10 .cse17)) |c_ULTIMATE.start_main_~#array2~0#1.base|) .cse6) 4294967296))) (and (or .cse1 (let ((.cse2 (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse9 .cse10 .cse11)) |c_ULTIMATE.start_main_~#array2~0#1.base|) .cse6) 4294967296))) (and (or (< 2147483647 .cse2) (<= (let ((.cse3 (store .cse5 .cse6 .cse2))) (+ (select .cse3 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select (select (store .cse4 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse3) |c_ULTIMATE.start_main_~#array1~0#1.base|) |c_ULTIMATE.start_main_~#array1~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1|)) .cse7)) (<= (let ((.cse8 (store .cse5 .cse6 (+ .cse2 (- 4294967296))))) (+ (select .cse8 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select (select (store .cse4 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse8) |c_ULTIMATE.start_main_~#array1~0#1.base|) |c_ULTIMATE.start_main_~#array1~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1|)) .cse7)))) (<= (let ((.cse13 (store .cse14 .cse6 (+ .cse15 (- 4294967296))))) (+ (select (select (store .cse12 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse13) |c_ULTIMATE.start_main_~#array1~0#1.base|) |c_ULTIMATE.start_main_~#array1~0#1.offset|) (select .cse13 |c_ULTIMATE.start_main_~#array2~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1|)) .cse7) (or (<= (let ((.cse16 (store .cse14 .cse6 .cse15))) (+ (select .cse16 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select (select (store .cse12 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse16) |c_ULTIMATE.start_main_~#array1~0#1.base|) |c_ULTIMATE.start_main_~#array1~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1|)) .cse7) (< 2147483647 .cse15))))) (or .cse18 (let ((.cse19 (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse9 .cse27 .cse17)) |c_ULTIMATE.start_main_~#array2~0#1.base|) .cse23) 4294967296))) (and (or (< 2147483647 .cse19) (<= (let ((.cse20 (store .cse22 .cse23 .cse19))) (+ (select .cse20 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select (select (store .cse21 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse20) |c_ULTIMATE.start_main_~#array1~0#1.base|) |c_ULTIMATE.start_main_~#array1~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1|)) .cse7)) (or (<= (let ((.cse24 (store .cse26 .cse23 (+ (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse9 .cse27 .cse11)) |c_ULTIMATE.start_main_~#array2~0#1.base|) .cse23) 4294967296) (- 4294967296))))) (+ (select .cse24 |c_ULTIMATE.start_main_~#array2~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1| (select (select (store .cse25 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse24) |c_ULTIMATE.start_main_~#array1~0#1.base|) |c_ULTIMATE.start_main_~#array1~0#1.offset|))) .cse7) .cse1) (<= (let ((.cse28 (store .cse22 .cse23 (+ .cse19 (- 4294967296))))) (+ (select .cse28 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select (select (store .cse21 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse28) |c_ULTIMATE.start_main_~#array1~0#1.base|) |c_ULTIMATE.start_main_~#array1~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1|)) .cse7)))))) (not .cse29)) (or (let ((.cse30 (mod .cse38 4294967296))) (let ((.cse34 (+ (- 4294967296) .cse30))) (and (or (< 2147483647 .cse30) (and (or .cse0 (<= (let ((.cse31 (store .cse14 .cse6 .cse30))) (+ (select (select (store .cse12 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse31) |c_ULTIMATE.start_main_~#array1~0#1.base|) |c_ULTIMATE.start_main_~#array1~0#1.offset|) (select .cse31 |c_ULTIMATE.start_main_~#array2~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1|)) .cse7)) (or .cse18 (<= (let ((.cse32 (store .cse22 .cse23 .cse30))) (+ (select (select (store .cse21 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse32) |c_ULTIMATE.start_main_~#array1~0#1.base|) |c_ULTIMATE.start_main_~#array1~0#1.offset|) (select .cse32 |c_ULTIMATE.start_main_~#array2~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1|)) .cse7)))) (or .cse0 (and (or .cse1 (<= (let ((.cse33 (store .cse5 .cse6 .cse34))) (+ (select .cse33 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select (select (store .cse4 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse33) |c_ULTIMATE.start_main_~#array1~0#1.base|) |c_ULTIMATE.start_main_~#array1~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1|)) .cse7)) (<= (let ((.cse35 (store .cse14 .cse6 .cse34))) (+ |c_ULTIMATE.start_main_~sum~0#1| (select (select (store .cse12 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse35) |c_ULTIMATE.start_main_~#array1~0#1.base|) |c_ULTIMATE.start_main_~#array1~0#1.offset|) (select .cse35 |c_ULTIMATE.start_main_~#array2~0#1.offset|))) .cse7))) (or .cse18 (and (or .cse1 (<= (let ((.cse36 (store .cse26 .cse23 .cse34))) (+ (select .cse36 |c_ULTIMATE.start_main_~#array2~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1| (select (select (store .cse25 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse36) |c_ULTIMATE.start_main_~#array1~0#1.base|) |c_ULTIMATE.start_main_~#array1~0#1.offset|))) .cse7)) (<= (let ((.cse37 (store .cse22 .cse23 .cse34))) (+ (select (select (store .cse21 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse37) |c_ULTIMATE.start_main_~#array1~0#1.base|) |c_ULTIMATE.start_main_~#array1~0#1.offset|) (select .cse37 |c_ULTIMATE.start_main_~#array2~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1|)) .cse7)))))) .cse29))))))) is different from true [2021-11-23 02:55:29,995 WARN L860 $PredicateComparison]: unable to prove that (and (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_40_114| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_40_114| Int) (|aux_div_ULTIMATE.start_main_~index~0#1_40| Int)) (let ((.cse12 (+ (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_40_114|) |aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_40_114|)) (.cse13 (* 2 |aux_div_ULTIMATE.start_main_~index~0#1_40|))) (or (let ((.cse10 (* |c_ULTIMATE.start_main_~num~0#1| (+ (* |aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_40_114| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_40_114|))) (.cse11 (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_40_114| 4294967296) 4))) (let ((.cse2 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| (- 17179869184) .cse11)) (.cse3 (+ (mod .cse10 4294967296) (- 4294967296))) (.cse4 (select |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base|)) (.cse5 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| (- 17179869184) .cse11)) (.cse6 (mod (* (* (* .cse10 |c_ULTIMATE.start_main_~num~0#1|) |c_ULTIMATE.start_main_~num~0#1|) |c_ULTIMATE.start_main_~num~0#1|) 4294967296)) (.cse7 (div (+ (- 1) c_~ARR_SIZE~0 (* c_~ARR_SIZE~0 c_~ARR_SIZE~0)) 4))) (and (<= (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse4 .cse5 (+ .cse6 (- 4294967296)))))) (let ((.cse0 (store (select .cse1 |c_ULTIMATE.start_main_~#array2~0#1.base|) .cse2 .cse3))) (+ (select .cse0 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select (select (store .cse1 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse0) |c_ULTIMATE.start_main_~#array1~0#1.base|) |c_ULTIMATE.start_main_~#array1~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1|))) .cse7) (or (<= (let ((.cse9 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse4 .cse5 .cse6)))) (let ((.cse8 (store (select .cse9 |c_ULTIMATE.start_main_~#array2~0#1.base|) .cse2 .cse3))) (+ (select .cse8 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select (select (store .cse9 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse8) |c_ULTIMATE.start_main_~#array1~0#1.base|) |c_ULTIMATE.start_main_~#array1~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1|))) .cse7) (< 2147483647 (mod (* |c_ULTIMATE.start_main_~num~0#1| (* |c_ULTIMATE.start_main_~num~0#1| (* |c_ULTIMATE.start_main_~num~0#1| .cse10))) 4294967296)))))) (<= c_~ARR_SIZE~0 .cse12) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_40_114| 2147483647) (<= (+ 2 .cse13) .cse12) (< .cse12 0) (= .cse13 .cse12) (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_40_114|) (< .cse12 .cse13)))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_40_114| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_40_114| Int) (|aux_div_ULTIMATE.start_main_~index~0#1_40| Int)) (let ((.cse20 (* |c_ULTIMATE.start_main_~num~0#1| (+ (* |aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_40_114| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_40_114|)))) (let ((.cse19 (mod .cse20 4294967296)) (.cse14 (+ (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_40_114|) |aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_40_114|)) (.cse15 (* 2 |aux_div_ULTIMATE.start_main_~index~0#1_40|))) (or (<= c_~ARR_SIZE~0 .cse14) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_40_114| 2147483647) (<= (+ 2 .cse15) .cse14) (< .cse14 0) (<= (let ((.cse18 (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_40_114| 4294967296) 4))) (let ((.cse17 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base|) (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| (- 17179869184) .cse18) (+ (mod (* (* (* .cse20 |c_ULTIMATE.start_main_~num~0#1|) |c_ULTIMATE.start_main_~num~0#1|) |c_ULTIMATE.start_main_~num~0#1|) 4294967296) (- 4294967296)))))) (let ((.cse16 (store (select .cse17 |c_ULTIMATE.start_main_~#array2~0#1.base|) (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| (- 17179869184) .cse18) .cse19))) (+ (select .cse16 |c_ULTIMATE.start_main_~#array2~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1| (select (select (store .cse17 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse16) |c_ULTIMATE.start_main_~#array1~0#1.base|) |c_ULTIMATE.start_main_~#array1~0#1.offset|))))) (div (+ (- 1) c_~ARR_SIZE~0 (* c_~ARR_SIZE~0 c_~ARR_SIZE~0)) 4)) (< 2147483647 .cse19) (= .cse15 .cse14) (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_40_114|) (< .cse14 .cse15))))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_40_114| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_40_114| Int) (|aux_div_ULTIMATE.start_main_~index~0#1_40| Int)) (let ((.cse21 (+ (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_40_114|) |aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_40_114|)) (.cse22 (* 2 |aux_div_ULTIMATE.start_main_~index~0#1_40|))) (or (<= c_~ARR_SIZE~0 .cse21) (<= (+ 2 .cse22) .cse21) (< .cse21 0) (let ((.cse31 (* |c_ULTIMATE.start_main_~num~0#1| (+ (* |aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_40_114| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_40_114|))) (.cse34 (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_40_114| 4294967296) 4))) (let ((.cse25 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse34)) (.cse26 (+ (mod .cse31 4294967296) (- 4294967296))) (.cse27 (select |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base|)) (.cse28 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| .cse34)) (.cse29 (mod (* (* (* .cse31 |c_ULTIMATE.start_main_~num~0#1|) |c_ULTIMATE.start_main_~num~0#1|) |c_ULTIMATE.start_main_~num~0#1|) 4294967296)) (.cse30 (div (+ (- 1) c_~ARR_SIZE~0 (* c_~ARR_SIZE~0 c_~ARR_SIZE~0)) 4))) (and (or (<= (let ((.cse24 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse27 .cse28 .cse29)))) (let ((.cse23 (store (select .cse24 |c_ULTIMATE.start_main_~#array2~0#1.base|) .cse25 .cse26))) (+ (select .cse23 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select (select (store .cse24 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse23) |c_ULTIMATE.start_main_~#array1~0#1.base|) |c_ULTIMATE.start_main_~#array1~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1|))) .cse30) (< 2147483647 (mod (* |c_ULTIMATE.start_main_~num~0#1| (* |c_ULTIMATE.start_main_~num~0#1| (* |c_ULTIMATE.start_main_~num~0#1| .cse31))) 4294967296))) (<= (let ((.cse32 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse27 .cse28 (+ .cse29 (- 4294967296)))))) (let ((.cse33 (store (select .cse32 |c_ULTIMATE.start_main_~#array2~0#1.base|) .cse25 .cse26))) (+ (select (select (store .cse32 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse33) |c_ULTIMATE.start_main_~#array1~0#1.base|) |c_ULTIMATE.start_main_~#array1~0#1.offset|) (select .cse33 |c_ULTIMATE.start_main_~#array2~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1|))) .cse30)))) (= .cse22 .cse21) (< 2147483647 |aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_40_114|) (< |aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_40_114| 0) (< .cse21 .cse22)))) (forall ((|aux_div_ULTIMATE.start_main_~index~0#1_40| Int)) (let ((.cse35 (* 2 |aux_div_ULTIMATE.start_main_~index~0#1_40|))) (or (< .cse35 0) (let ((.cse67 (* |aux_div_ULTIMATE.start_main_~index~0#1_40| 2))) (let ((.cse66 (* |c_ULTIMATE.start_main_~num~0#1| .cse67))) (let ((.cse36 (mod .cse67 4294967296)) (.cse48 (mod (* (* (* .cse66 |c_ULTIMATE.start_main_~num~0#1|) |c_ULTIMATE.start_main_~num~0#1|) |c_ULTIMATE.start_main_~num~0#1|) 4294967296)) (.cse47 (mod (* |c_ULTIMATE.start_main_~num~0#1| (* |c_ULTIMATE.start_main_~num~0#1| (* |c_ULTIMATE.start_main_~num~0#1| .cse66))) 4294967296))) (let ((.cse37 (< 2147483647 .cse47)) (.cse43 (div (+ (- 1) c_~ARR_SIZE~0 (* c_~ARR_SIZE~0 c_~ARR_SIZE~0)) 4)) (.cse54 (+ .cse47 (- 4294967296))) (.cse45 (select |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base|)) (.cse55 (+ .cse48 (- 4294967296))) (.cse56 (* .cse36 4))) (and (or (< 2147483647 .cse36) (let ((.cse46 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| .cse56))) (let ((.cse41 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse56)) (.cse50 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse45 .cse46 .cse55)))) (let ((.cse52 (select .cse50 |c_ULTIMATE.start_main_~#array2~0#1.base|)) (.cse49 (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse45 .cse46 .cse54)) |c_ULTIMATE.start_main_~#array2~0#1.base|) .cse41) 4294967296))) (and (or .cse37 (let ((.cse39 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse45 .cse46 .cse48)))) (let ((.cse40 (select .cse39 |c_ULTIMATE.start_main_~#array2~0#1.base|)) (.cse42 (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse45 .cse46 .cse47)) |c_ULTIMATE.start_main_~#array2~0#1.base|) .cse41) 4294967296))) (and (<= (let ((.cse38 (store .cse40 .cse41 (+ .cse42 (- 4294967296))))) (+ (select .cse38 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select (select (store .cse39 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse38) |c_ULTIMATE.start_main_~#array1~0#1.base|) |c_ULTIMATE.start_main_~#array1~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1|)) .cse43) (or (< 2147483647 .cse42) (<= (let ((.cse44 (store .cse40 .cse41 .cse42))) (+ (select .cse44 |c_ULTIMATE.start_main_~#array2~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1| (select (select (store .cse39 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse44) |c_ULTIMATE.start_main_~#array1~0#1.base|) |c_ULTIMATE.start_main_~#array1~0#1.offset|))) .cse43)))))) (or (< 2147483647 .cse49) (<= (let ((.cse51 (store .cse52 .cse41 .cse49))) (+ (select (select (store .cse50 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse51) |c_ULTIMATE.start_main_~#array1~0#1.base|) |c_ULTIMATE.start_main_~#array1~0#1.offset|) (select .cse51 |c_ULTIMATE.start_main_~#array2~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1|)) .cse43)) (<= (let ((.cse53 (store .cse52 .cse41 (+ .cse49 (- 4294967296))))) (+ (select .cse53 |c_ULTIMATE.start_main_~#array2~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1| (select (select (store .cse50 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse53) |c_ULTIMATE.start_main_~#array1~0#1.base|) |c_ULTIMATE.start_main_~#array1~0#1.offset|))) .cse43)))))) (or (<= .cse36 2147483647) (let ((.cse64 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| (- 17179869184) .cse56))) (let ((.cse60 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| (- 17179869184) .cse56)) (.cse58 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse45 .cse64 .cse55)))) (let ((.cse59 (select .cse58 |c_ULTIMATE.start_main_~#array2~0#1.base|)) (.cse61 (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse45 .cse64 .cse54)) |c_ULTIMATE.start_main_~#array2~0#1.base|) .cse60) 4294967296))) (and (<= (let ((.cse57 (store .cse59 .cse60 (+ .cse61 (- 4294967296))))) (+ (select .cse57 |c_ULTIMATE.start_main_~#array2~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1| (select (select (store .cse58 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse57) |c_ULTIMATE.start_main_~#array1~0#1.base|) |c_ULTIMATE.start_main_~#array1~0#1.offset|))) .cse43) (or (<= (let ((.cse63 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse45 .cse64 .cse48)))) (let ((.cse62 (store (select .cse63 |c_ULTIMATE.start_main_~#array2~0#1.base|) .cse60 (+ (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse45 .cse64 .cse47)) |c_ULTIMATE.start_main_~#array2~0#1.base|) .cse60) 4294967296) (- 4294967296))))) (+ (select .cse62 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select (select (store .cse63 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse62) |c_ULTIMATE.start_main_~#array1~0#1.base|) |c_ULTIMATE.start_main_~#array1~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1|))) .cse43) .cse37) (or (< 2147483647 .cse61) (<= (let ((.cse65 (store .cse59 .cse60 .cse61))) (+ (select (select (store .cse58 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse65) |c_ULTIMATE.start_main_~#array1~0#1.base|) |c_ULTIMATE.start_main_~#array1~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1| (select .cse65 |c_ULTIMATE.start_main_~#array2~0#1.offset|))) .cse43)))))))))))) (<= c_~ARR_SIZE~0 .cse35)))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_40_114| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_40_114| Int) (|aux_div_ULTIMATE.start_main_~index~0#1_40| Int)) (let ((.cse74 (* |c_ULTIMATE.start_main_~num~0#1| (+ (* |aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_40_114| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_40_114|)))) (let ((.cse73 (mod .cse74 4294967296)) (.cse68 (+ (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_40_114|) |aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_40_114|)) (.cse69 (* 2 |aux_div_ULTIMATE.start_main_~index~0#1_40|))) (or (<= c_~ARR_SIZE~0 .cse68) (<= (+ 2 .cse69) .cse68) (< .cse68 0) (<= (let ((.cse72 (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_40_114| 4294967296) 4))) (let ((.cse70 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base|) (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| .cse72) (+ (mod (* (* (* .cse74 |c_ULTIMATE.start_main_~num~0#1|) |c_ULTIMATE.start_main_~num~0#1|) |c_ULTIMATE.start_main_~num~0#1|) 4294967296) (- 4294967296)))))) (let ((.cse71 (store (select .cse70 |c_ULTIMATE.start_main_~#array2~0#1.base|) (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse72) .cse73))) (+ (select (select (store .cse70 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse71) |c_ULTIMATE.start_main_~#array1~0#1.base|) |c_ULTIMATE.start_main_~#array1~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1| (select .cse71 |c_ULTIMATE.start_main_~#array2~0#1.offset|))))) (div (+ (- 1) c_~ARR_SIZE~0 (* c_~ARR_SIZE~0 c_~ARR_SIZE~0)) 4)) (< 2147483647 .cse73) (= .cse69 .cse68) (< 2147483647 |aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_40_114|) (< |aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_40_114| 0) (< .cse68 .cse69)))))) is different from true [2021-11-23 02:55:30,000 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:55:30,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994263825] [2021-11-23 02:55:30,000 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:55:30,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1277594607] [2021-11-23 02:55:30,001 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1277594607] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 02:55:30,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [571095399] [2021-11-23 02:55:30,028 INFO L159 IcfgInterpreter]: Started Sifa with 15 locations of interest [2021-11-23 02:55:30,028 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 02:55:30,035 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 02:55:30,045 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 02:55:30,046 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 02:55:30,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:55:30,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:55:30,306 INFO L354 Elim1Store]: treesize reduction 135, result has 25.0 percent of original size [2021-11-23 02:55:30,307 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 3 case distinctions, treesize of input 55 treesize of output 79 [2021-11-23 02:55:30,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:55:30,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:55:30,497 INFO L354 Elim1Store]: treesize reduction 98, result has 24.6 percent of original size [2021-11-23 02:55:30,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 44 treesize of output 69 [2021-11-23 02:55:30,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:55:30,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:55:30,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 35 [2021-11-23 02:55:30,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:55:30,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:55:30,747 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:55:30,749 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:55:30,751 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:55:30,909 INFO L354 Elim1Store]: treesize reduction 250, result has 15.5 percent of original size [2021-11-23 02:55:30,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 399 treesize of output 397 [2021-11-23 02:55:31,334 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:55:31,352 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-23 02:55:31,356 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 [2021-11-23 02:55:31,459 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:55:31,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:55:31,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:55:31,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:55:31,480 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:55:31,482 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:55:33,594 INFO L354 Elim1Store]: treesize reduction 172, result has 57.1 percent of original size [2021-11-23 02:55:33,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 8 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 8 case distinctions, treesize of input 1352 treesize of output 1188 [2021-11-23 02:55:33,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:55:33,921 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:55:33,940 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:55:33,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 79 treesize of output 56 [2021-11-23 02:55:34,045 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:55:34,107 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:55:34,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:55:34,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:55:34,229 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:55:34,262 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:55:34,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 79 treesize of output 55 [2021-11-23 02:55:34,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:55:34,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:55:34,354 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:55:34,399 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:55:34,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 79 treesize of output 55 [2021-11-23 02:55:34,442 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:55:34,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:55:34,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:55:34,527 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:55:34,595 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-23 02:55:34,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 79 treesize of output 51 [2021-11-23 02:55:34,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:55:34,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 53 treesize of output 32 [2021-11-23 02:55:34,726 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:55:34,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:55:34,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 53 treesize of output 32 [2021-11-23 02:55:34,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:55:34,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:55:34,859 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:55:35,019 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:55:35,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 1145 treesize of output 868 [2021-11-23 02:55:35,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:55:35,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:55:35,799 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:55:35,995 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:55:35,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 1060 treesize of output 1006