./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6560568361eacef24363f4e5a58f5226b4c8bc2851167e042d4f8ce61eb0aa48 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-19 15:47:58,342 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-19 15:47:58,344 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-19 15:47:58,400 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-19 15:47:58,401 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-19 15:47:58,401 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-19 15:47:58,402 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-19 15:47:58,404 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-19 15:47:58,406 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-19 15:47:58,408 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-19 15:47:58,409 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-19 15:47:58,410 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-19 15:47:58,410 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-19 15:47:58,414 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-19 15:47:58,416 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-19 15:47:58,418 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-19 15:47:58,422 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-19 15:47:58,423 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-19 15:47:58,424 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-19 15:47:58,426 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-19 15:47:58,428 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-19 15:47:58,429 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-19 15:47:58,430 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-19 15:47:58,431 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-19 15:47:58,433 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-19 15:47:58,435 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-19 15:47:58,435 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-19 15:47:58,436 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-19 15:47:58,437 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-19 15:47:58,438 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-19 15:47:58,438 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-19 15:47:58,438 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-19 15:47:58,439 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-19 15:47:58,440 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-19 15:47:58,441 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-19 15:47:58,441 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-19 15:47:58,442 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-19 15:47:58,442 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-19 15:47:58,442 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-19 15:47:58,443 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-19 15:47:58,443 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-19 15:47:58,444 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-12-19 15:47:58,465 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-19 15:47:58,466 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-19 15:47:58,466 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-19 15:47:58,467 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-19 15:47:58,468 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-19 15:47:58,468 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-19 15:47:58,469 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-19 15:47:58,469 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-19 15:47:58,469 INFO L138 SettingsManager]: * Use SBE=true [2021-12-19 15:47:58,469 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-19 15:47:58,470 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-19 15:47:58,471 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-19 15:47:58,471 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-19 15:47:58,471 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-19 15:47:58,471 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-19 15:47:58,471 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-19 15:47:58,471 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-19 15:47:58,472 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-19 15:47:58,472 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-12-19 15:47:58,472 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-19 15:47:58,472 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-19 15:47:58,472 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-19 15:47:58,472 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-19 15:47:58,473 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-19 15:47:58,473 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-19 15:47:58,473 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-19 15:47:58,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-19 15:47:58,473 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-19 15:47:58,474 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-19 15:47:58,474 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-19 15:47:58,474 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-19 15:47:58,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-19 15:47:58,475 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-19 15:47:58,475 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-19 15:47:58,475 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6560568361eacef24363f4e5a58f5226b4c8bc2851167e042d4f8ce61eb0aa48 [2021-12-19 15:47:58,729 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-19 15:47:58,760 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-19 15:47:58,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-19 15:47:58,763 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-19 15:47:58,764 INFO L275 PluginConnector]: CDTParser initialized [2021-12-19 15:47:58,765 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-2.i [2021-12-19 15:47:58,835 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/260efd17e/24d6242b43d24ddf99b622aeddb8709d/FLAGede6058f6 [2021-12-19 15:47:59,372 INFO L306 CDTParser]: Found 1 translation units. [2021-12-19 15:47:59,373 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-2.i [2021-12-19 15:47:59,388 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/260efd17e/24d6242b43d24ddf99b622aeddb8709d/FLAGede6058f6 [2021-12-19 15:47:59,630 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/260efd17e/24d6242b43d24ddf99b622aeddb8709d [2021-12-19 15:47:59,633 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-19 15:47:59,634 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-19 15:47:59,636 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-19 15:47:59,638 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-19 15:47:59,644 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-19 15:47:59,645 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 03:47:59" (1/1) ... [2021-12-19 15:47:59,647 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a550059 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:47:59, skipping insertion in model container [2021-12-19 15:47:59,648 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 03:47:59" (1/1) ... [2021-12-19 15:47:59,653 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-19 15:47:59,688 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-19 15:48:00,014 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-2.i[33021,33034] [2021-12-19 15:48:00,117 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-2.i[44590,44603] [2021-12-19 15:48:00,130 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-19 15:48:00,147 INFO L203 MainTranslator]: Completed pre-run [2021-12-19 15:48:00,181 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-2.i[33021,33034] [2021-12-19 15:48:00,230 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-2.i[44590,44603] [2021-12-19 15:48:00,240 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-19 15:48:00,268 INFO L208 MainTranslator]: Completed translation [2021-12-19 15:48:00,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:48:00 WrapperNode [2021-12-19 15:48:00,269 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-19 15:48:00,270 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-19 15:48:00,270 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-19 15:48:00,270 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-19 15:48:00,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:48:00" (1/1) ... [2021-12-19 15:48:00,299 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:48:00" (1/1) ... [2021-12-19 15:48:00,367 INFO L137 Inliner]: procedures = 177, calls = 336, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1189 [2021-12-19 15:48:00,371 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-19 15:48:00,372 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-19 15:48:00,372 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-19 15:48:00,372 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-19 15:48:00,378 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:48:00" (1/1) ... [2021-12-19 15:48:00,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:48:00" (1/1) ... [2021-12-19 15:48:00,392 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:48:00" (1/1) ... [2021-12-19 15:48:00,399 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:48:00" (1/1) ... [2021-12-19 15:48:00,442 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:48:00" (1/1) ... [2021-12-19 15:48:00,463 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:48:00" (1/1) ... [2021-12-19 15:48:00,471 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:48:00" (1/1) ... [2021-12-19 15:48:00,477 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-19 15:48:00,478 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-19 15:48:00,481 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-19 15:48:00,481 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-19 15:48:00,484 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:48:00" (1/1) ... [2021-12-19 15:48:00,488 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-19 15:48:00,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 15:48:00,506 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-19 15:48:00,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-19 15:48:00,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-19 15:48:00,552 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-19 15:48:00,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-19 15:48:00,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-19 15:48:00,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-19 15:48:00,553 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-19 15:48:00,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-19 15:48:00,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-19 15:48:00,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-19 15:48:00,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-19 15:48:00,553 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-19 15:48:00,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-19 15:48:00,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-19 15:48:00,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-19 15:48:00,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-19 15:48:00,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-19 15:48:00,729 INFO L236 CfgBuilder]: Building ICFG [2021-12-19 15:48:00,730 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-19 15:48:01,517 INFO L277 CfgBuilder]: Performing block encoding [2021-12-19 15:48:01,525 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-19 15:48:01,526 INFO L301 CfgBuilder]: Removed 72 assume(true) statements. [2021-12-19 15:48:01,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 03:48:01 BoogieIcfgContainer [2021-12-19 15:48:01,528 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-19 15:48:01,530 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-19 15:48:01,530 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-19 15:48:01,532 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-19 15:48:01,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 03:47:59" (1/3) ... [2021-12-19 15:48:01,533 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ebeca3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 03:48:01, skipping insertion in model container [2021-12-19 15:48:01,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:48:00" (2/3) ... [2021-12-19 15:48:01,534 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ebeca3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 03:48:01, skipping insertion in model container [2021-12-19 15:48:01,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 03:48:01" (3/3) ... [2021-12-19 15:48:01,538 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test3-2.i [2021-12-19 15:48:01,542 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-19 15:48:01,542 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2021-12-19 15:48:01,605 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-19 15:48:01,613 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 [2021-12-19 15:48:01,614 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-12-19 15:48:01,634 INFO L276 IsEmpty]: Start isEmpty. Operand has 243 states, 224 states have (on average 1.7008928571428572) internal successors, (381), 237 states have internal predecessors, (381), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-12-19 15:48:01,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-12-19 15:48:01,638 INFO L506 BasicCegarLoop]: Found error trace [2021-12-19 15:48:01,638 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-19 15:48:01,639 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-12-19 15:48:01,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 15:48:01,643 INFO L85 PathProgramCache]: Analyzing trace with hash 552713999, now seen corresponding path program 1 times [2021-12-19 15:48:01,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 15:48:01,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586111729] [2021-12-19 15:48:01,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 15:48:01,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 15:48:01,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 15:48:01,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 15:48:01,816 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 15:48:01,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586111729] [2021-12-19 15:48:01,817 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586111729] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 15:48:01,817 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 15:48:01,818 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-19 15:48:01,819 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980843152] [2021-12-19 15:48:01,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 15:48:01,823 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-19 15:48:01,823 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 15:48:01,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-19 15:48:01,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-19 15:48:01,857 INFO L87 Difference]: Start difference. First operand has 243 states, 224 states have (on average 1.7008928571428572) internal successors, (381), 237 states have internal predecessors, (381), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 15:48:01,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 15:48:01,918 INFO L93 Difference]: Finished difference Result 484 states and 797 transitions. [2021-12-19 15:48:01,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-19 15:48:01,920 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-12-19 15:48:01,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-19 15:48:01,929 INFO L225 Difference]: With dead ends: 484 [2021-12-19 15:48:01,930 INFO L226 Difference]: Without dead ends: 210 [2021-12-19 15:48:01,935 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 [2021-12-19 15:48:01,942 INFO L933 BasicCegarLoop]: 319 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-19 15:48:01,943 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-19 15:48:01,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2021-12-19 15:48:01,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 210. [2021-12-19 15:48:01,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 192 states have (on average 1.3489583333333333) internal successors, (259), 204 states have internal predecessors, (259), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-12-19 15:48:01,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 275 transitions. [2021-12-19 15:48:01,993 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 275 transitions. Word has length 7 [2021-12-19 15:48:01,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-19 15:48:01,993 INFO L470 AbstractCegarLoop]: Abstraction has 210 states and 275 transitions. [2021-12-19 15:48:01,994 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 15:48:01,994 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 275 transitions. [2021-12-19 15:48:01,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-12-19 15:48:01,995 INFO L506 BasicCegarLoop]: Found error trace [2021-12-19 15:48:01,995 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-19 15:48:01,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-19 15:48:01,996 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-12-19 15:48:01,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 15:48:01,997 INFO L85 PathProgramCache]: Analyzing trace with hash 552715921, now seen corresponding path program 1 times [2021-12-19 15:48:01,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 15:48:01,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260090240] [2021-12-19 15:48:01,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 15:48:01,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 15:48:02,035 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-19 15:48:02,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1873925836] [2021-12-19 15:48:02,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 15:48:02,036 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-19 15:48:02,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 15:48:02,037 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-19 15:48:02,071 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-19 15:48:02,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 15:48:02,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-19 15:48:02,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 15:48:02,276 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 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-19 15:48:02,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-19 15:48:02,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 22 treesize of output 10 [2021-12-19 15:48:02,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 15:48:02,414 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-19 15:48:02,415 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 15:48:02,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260090240] [2021-12-19 15:48:02,415 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-19 15:48:02,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1873925836] [2021-12-19 15:48:02,416 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1873925836] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 15:48:02,417 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 15:48:02,418 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-19 15:48:02,419 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142655675] [2021-12-19 15:48:02,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 15:48:02,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-19 15:48:02,420 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 15:48:02,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-19 15:48:02,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-19 15:48:02,421 INFO L87 Difference]: Start difference. First operand 210 states and 275 transitions. Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 15:48:03,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 15:48:03,013 INFO L93 Difference]: Finished difference Result 355 states and 470 transitions. [2021-12-19 15:48:03,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-19 15:48:03,013 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-12-19 15:48:03,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-19 15:48:03,015 INFO L225 Difference]: With dead ends: 355 [2021-12-19 15:48:03,015 INFO L226 Difference]: Without dead ends: 353 [2021-12-19 15:48:03,016 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-19 15:48:03,017 INFO L933 BasicCegarLoop]: 241 mSDtfsCounter, 216 mSDsluCounter, 622 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 863 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-19 15:48:03,017 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [221 Valid, 863 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-19 15:48:03,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2021-12-19 15:48:03,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 216. [2021-12-19 15:48:03,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 198 states have (on average 1.3434343434343434) internal successors, (266), 210 states have internal predecessors, (266), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-12-19 15:48:03,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 282 transitions. [2021-12-19 15:48:03,028 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 282 transitions. Word has length 7 [2021-12-19 15:48:03,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-19 15:48:03,028 INFO L470 AbstractCegarLoop]: Abstraction has 216 states and 282 transitions. [2021-12-19 15:48:03,029 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 15:48:03,029 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 282 transitions. [2021-12-19 15:48:03,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-12-19 15:48:03,029 INFO L506 BasicCegarLoop]: Found error trace [2021-12-19 15:48:03,029 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 15:48:03,052 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-19 15:48:03,249 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-19 15:48:03,250 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-12-19 15:48:03,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 15:48:03,250 INFO L85 PathProgramCache]: Analyzing trace with hash -479642755, now seen corresponding path program 1 times [2021-12-19 15:48:03,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 15:48:03,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868064121] [2021-12-19 15:48:03,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 15:48:03,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 15:48:03,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 15:48:03,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 15:48:03,319 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 15:48:03,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868064121] [2021-12-19 15:48:03,320 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868064121] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 15:48:03,320 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 15:48:03,320 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-19 15:48:03,320 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513887759] [2021-12-19 15:48:03,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 15:48:03,321 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-19 15:48:03,322 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 15:48:03,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-19 15:48:03,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-19 15:48:03,323 INFO L87 Difference]: Start difference. First operand 216 states and 282 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 15:48:03,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 15:48:03,584 INFO L93 Difference]: Finished difference Result 420 states and 558 transitions. [2021-12-19 15:48:03,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-19 15:48:03,585 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-12-19 15:48:03,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-19 15:48:03,587 INFO L225 Difference]: With dead ends: 420 [2021-12-19 15:48:03,587 INFO L226 Difference]: Without dead ends: 312 [2021-12-19 15:48:03,587 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-19 15:48:03,588 INFO L933 BasicCegarLoop]: 262 mSDtfsCounter, 119 mSDsluCounter, 454 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 716 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-19 15:48:03,588 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 716 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-19 15:48:03,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2021-12-19 15:48:03,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 216. [2021-12-19 15:48:03,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 198 states have (on average 1.3383838383838385) internal successors, (265), 210 states have internal predecessors, (265), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-12-19 15:48:03,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 281 transitions. [2021-12-19 15:48:03,603 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 281 transitions. Word has length 10 [2021-12-19 15:48:03,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-19 15:48:03,603 INFO L470 AbstractCegarLoop]: Abstraction has 216 states and 281 transitions. [2021-12-19 15:48:03,604 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 15:48:03,604 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 281 transitions. [2021-12-19 15:48:03,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-12-19 15:48:03,605 INFO L506 BasicCegarLoop]: Found error trace [2021-12-19 15:48:03,606 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 15:48:03,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-19 15:48:03,606 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-12-19 15:48:03,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 15:48:03,606 INFO L85 PathProgramCache]: Analyzing trace with hash 305892652, now seen corresponding path program 1 times [2021-12-19 15:48:03,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 15:48:03,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573638333] [2021-12-19 15:48:03,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 15:48:03,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 15:48:03,699 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-19 15:48:03,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1356460282] [2021-12-19 15:48:03,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 15:48:03,702 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-19 15:48:03,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 15:48:03,710 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-19 15:48:03,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-19 15:48:04,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 15:48:04,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 1532 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-19 15:48:04,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 15:48:04,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 15:48:04,261 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-19 15:48:04,262 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 15:48:04,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573638333] [2021-12-19 15:48:04,264 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-19 15:48:04,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1356460282] [2021-12-19 15:48:04,265 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1356460282] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 15:48:04,265 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 15:48:04,265 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-19 15:48:04,265 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979257941] [2021-12-19 15:48:04,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 15:48:04,266 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-19 15:48:04,266 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 15:48:04,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-19 15:48:04,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:48:04,267 INFO L87 Difference]: Start difference. First operand 216 states and 281 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 15:48:04,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 15:48:04,317 INFO L93 Difference]: Finished difference Result 445 states and 585 transitions. [2021-12-19 15:48:04,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-19 15:48:04,317 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-12-19 15:48:04,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-19 15:48:04,319 INFO L225 Difference]: With dead ends: 445 [2021-12-19 15:48:04,319 INFO L226 Difference]: Without dead ends: 237 [2021-12-19 15:48:04,319 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:48:04,322 INFO L933 BasicCegarLoop]: 255 mSDtfsCounter, 9 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-19 15:48:04,323 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 495 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-19 15:48:04,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2021-12-19 15:48:04,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 236. [2021-12-19 15:48:04,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 218 states have (on average 1.3073394495412844) internal successors, (285), 230 states have internal predecessors, (285), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-12-19 15:48:04,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 301 transitions. [2021-12-19 15:48:04,335 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 301 transitions. Word has length 57 [2021-12-19 15:48:04,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-19 15:48:04,337 INFO L470 AbstractCegarLoop]: Abstraction has 236 states and 301 transitions. [2021-12-19 15:48:04,337 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 15:48:04,338 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 301 transitions. [2021-12-19 15:48:04,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-12-19 15:48:04,344 INFO L506 BasicCegarLoop]: Found error trace [2021-12-19 15:48:04,344 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 15:48:04,369 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-19 15:48:04,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-12-19 15:48:04,545 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-12-19 15:48:04,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 15:48:04,546 INFO L85 PathProgramCache]: Analyzing trace with hash 815365742, now seen corresponding path program 1 times [2021-12-19 15:48:04,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 15:48:04,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160764214] [2021-12-19 15:48:04,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 15:48:04,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 15:48:04,651 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-19 15:48:04,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1129216041] [2021-12-19 15:48:04,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 15:48:04,652 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-19 15:48:04,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 15:48:04,668 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-19 15:48:04,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-19 15:48:05,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 15:48:05,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 1534 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-19 15:48:05,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 15:48:05,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 15:48:05,345 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-19 15:48:05,345 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 15:48:05,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160764214] [2021-12-19 15:48:05,345 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-19 15:48:05,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1129216041] [2021-12-19 15:48:05,346 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1129216041] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 15:48:05,346 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 15:48:05,346 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-19 15:48:05,346 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867732508] [2021-12-19 15:48:05,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 15:48:05,347 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-19 15:48:05,347 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 15:48:05,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-19 15:48:05,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-19 15:48:05,347 INFO L87 Difference]: Start difference. First operand 236 states and 301 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 15:48:05,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 15:48:05,405 INFO L93 Difference]: Finished difference Result 454 states and 584 transitions. [2021-12-19 15:48:05,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-19 15:48:05,406 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-12-19 15:48:05,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-19 15:48:05,407 INFO L225 Difference]: With dead ends: 454 [2021-12-19 15:48:05,407 INFO L226 Difference]: Without dead ends: 226 [2021-12-19 15:48:05,408 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-19 15:48:05,408 INFO L933 BasicCegarLoop]: 257 mSDtfsCounter, 240 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 527 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-19 15:48:05,409 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [248 Valid, 527 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-19 15:48:05,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2021-12-19 15:48:05,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 222. [2021-12-19 15:48:05,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 204 states have (on average 1.2941176470588236) internal successors, (264), 216 states have internal predecessors, (264), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-12-19 15:48:05,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 280 transitions. [2021-12-19 15:48:05,415 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 280 transitions. Word has length 57 [2021-12-19 15:48:05,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-19 15:48:05,415 INFO L470 AbstractCegarLoop]: Abstraction has 222 states and 280 transitions. [2021-12-19 15:48:05,415 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 15:48:05,415 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 280 transitions. [2021-12-19 15:48:05,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-12-19 15:48:05,416 INFO L506 BasicCegarLoop]: Found error trace [2021-12-19 15:48:05,416 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 15:48:05,453 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-19 15:48:05,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-19 15:48:05,637 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-12-19 15:48:05,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 15:48:05,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1455665376, now seen corresponding path program 1 times [2021-12-19 15:48:05,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 15:48:05,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597327271] [2021-12-19 15:48:05,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 15:48:05,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 15:48:05,709 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-19 15:48:05,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2007074876] [2021-12-19 15:48:05,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 15:48:05,709 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-19 15:48:05,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 15:48:05,710 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-19 15:48:05,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-19 15:48:06,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 15:48:06,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 1520 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-19 15:48:06,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 15:48:06,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 15:48:06,488 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-19 15:48:06,488 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 15:48:06,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597327271] [2021-12-19 15:48:06,489 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-19 15:48:06,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007074876] [2021-12-19 15:48:06,489 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2007074876] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 15:48:06,489 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 15:48:06,489 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-19 15:48:06,489 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781053513] [2021-12-19 15:48:06,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 15:48:06,490 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-19 15:48:06,490 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 15:48:06,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-19 15:48:06,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:48:06,491 INFO L87 Difference]: Start difference. First operand 222 states and 280 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 15:48:06,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 15:48:06,549 INFO L93 Difference]: Finished difference Result 564 states and 718 transitions. [2021-12-19 15:48:06,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-19 15:48:06,549 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-12-19 15:48:06,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-19 15:48:06,551 INFO L225 Difference]: With dead ends: 564 [2021-12-19 15:48:06,551 INFO L226 Difference]: Without dead ends: 350 [2021-12-19 15:48:06,552 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:48:06,552 INFO L933 BasicCegarLoop]: 338 mSDtfsCounter, 119 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 582 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-19 15:48:06,552 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 582 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-19 15:48:06,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2021-12-19 15:48:06,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 328. [2021-12-19 15:48:06,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 310 states have (on average 1.2838709677419355) internal successors, (398), 322 states have internal predecessors, (398), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-12-19 15:48:06,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 414 transitions. [2021-12-19 15:48:06,563 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 414 transitions. Word has length 57 [2021-12-19 15:48:06,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-19 15:48:06,563 INFO L470 AbstractCegarLoop]: Abstraction has 328 states and 414 transitions. [2021-12-19 15:48:06,563 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 15:48:06,563 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 414 transitions. [2021-12-19 15:48:06,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-12-19 15:48:06,564 INFO L506 BasicCegarLoop]: Found error trace [2021-12-19 15:48:06,565 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 15:48:06,611 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-12-19 15:48:06,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-19 15:48:06,779 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-12-19 15:48:06,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 15:48:06,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1209271410, now seen corresponding path program 1 times [2021-12-19 15:48:06,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 15:48:06,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141362413] [2021-12-19 15:48:06,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 15:48:06,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 15:48:06,820 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-19 15:48:06,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [525163372] [2021-12-19 15:48:06,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 15:48:06,821 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-19 15:48:06,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 15:48:06,822 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-19 15:48:06,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-19 15:48:07,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 15:48:07,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 128 conjunts are in the unsatisfiable core [2021-12-19 15:48:07,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 15:48:07,253 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 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-19 15:48:07,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-19 15:48:07,297 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-12-19 15:48:07,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-12-19 15:48:07,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2021-12-19 15:48:07,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2021-12-19 15:48:07,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2021-12-19 15:48:07,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2021-12-19 15:48:07,980 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 13 treesize of output 9 [2021-12-19 15:48:07,995 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-12-19 15:48:07,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 22 treesize of output 30 [2021-12-19 15:48:08,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2021-12-19 15:48:08,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-12-19 15:48:39,070 INFO L244 Elim1Store]: Index analysis took 671 ms