/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-MemCleanup-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 18:51:48,419 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 18:51:48,424 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 18:51:48,486 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 18:51:48,487 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 18:51:48,491 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 18:51:48,495 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 18:51:48,503 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 18:51:48,507 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 18:51:48,515 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 18:51:48,516 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 18:51:48,518 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 18:51:48,518 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 18:51:48,521 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 18:51:48,524 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 18:51:48,525 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 18:51:48,526 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 18:51:48,530 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 18:51:48,540 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 18:51:48,545 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 18:51:48,549 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 18:51:48,551 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 18:51:48,553 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 18:51:48,556 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 18:51:48,571 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 18:51:48,571 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 18:51:48,571 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 18:51:48,576 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 18:51:48,577 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 18:51:48,578 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 18:51:48,578 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 18:51:48,579 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 18:51:48,580 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 18:51:48,581 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 18:51:48,582 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 18:51:48,582 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 18:51:48,583 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 18:51:48,584 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 18:51:48,584 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 18:51:48,585 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 18:51:48,586 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 18:51:48,592 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-64bit-Automizer_Default.epf [2020-12-22 18:51:48,641 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 18:51:48,642 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 18:51:48,646 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 18:51:48,647 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 18:51:48,647 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 18:51:48,647 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 18:51:48,647 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-22 18:51:48,647 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 18:51:48,648 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 18:51:48,648 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-22 18:51:48,648 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-22 18:51:48,648 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 18:51:48,648 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-22 18:51:48,649 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 18:51:48,649 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 18:51:48,650 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 18:51:48,650 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 18:51:48,650 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 18:51:48,650 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 18:51:48,651 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 18:51:48,651 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 18:51:48,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 18:51:48,651 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 18:51:48,652 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 18:51:49,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 18:51:49,095 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 18:51:49,099 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 18:51:49,101 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 18:51:49,101 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 18:51:49,103 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-2.i [2020-12-22 18:51:49,196 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a73303c9/fec1e8b011c340f18b2dd553896ed227/FLAGa1de7aaa7 [2020-12-22 18:51:49,863 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 18:51:49,863 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-2.i [2020-12-22 18:51:49,882 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a73303c9/fec1e8b011c340f18b2dd553896ed227/FLAGa1de7aaa7 [2020-12-22 18:51:50,128 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a73303c9/fec1e8b011c340f18b2dd553896ed227 [2020-12-22 18:51:50,136 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 18:51:50,140 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 18:51:50,144 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 18:51:50,144 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 18:51:50,148 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 18:51:50,150 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:51:50" (1/1) ... [2020-12-22 18:51:50,152 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62b7ce4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:51:50, skipping insertion in model container [2020-12-22 18:51:50,152 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:51:50" (1/1) ... [2020-12-22 18:51:50,163 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 18:51:50,242 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 18:51:50,645 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-2.i[25013,25026] [2020-12-22 18:51:50,651 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 18:51:50,668 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 18:51:50,757 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-2.i[25013,25026] [2020-12-22 18:51:50,758 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 18:51:50,827 INFO L208 MainTranslator]: Completed translation [2020-12-22 18:51:50,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:51:50 WrapperNode [2020-12-22 18:51:50,828 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 18:51:50,829 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 18:51:50,829 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 18:51:50,829 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 18:51:50,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:51:50" (1/1) ... [2020-12-22 18:51:50,857 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:51:50" (1/1) ... [2020-12-22 18:51:50,893 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 18:51:50,894 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 18:51:50,894 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 18:51:50,894 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 18:51:50,936 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:51:50" (1/1) ... [2020-12-22 18:51:50,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:51:50" (1/1) ... [2020-12-22 18:51:50,947 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:51:50" (1/1) ... [2020-12-22 18:51:50,948 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:51:50" (1/1) ... [2020-12-22 18:51:50,981 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:51:50" (1/1) ... [2020-12-22 18:51:50,994 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:51:50" (1/1) ... [2020-12-22 18:51:51,002 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:51:50" (1/1) ... [2020-12-22 18:51:51,014 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 18:51:51,016 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 18:51:51,016 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 18:51:51,016 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 18:51:51,017 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:51:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 18:51:51,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-22 18:51:51,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-22 18:51:51,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 18:51:51,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-22 18:51:51,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 18:51:51,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-22 18:51:51,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 18:51:51,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 18:51:51,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 18:51:52,000 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 18:51:52,000 INFO L299 CfgBuilder]: Removed 39 assume(true) statements. [2020-12-22 18:51:52,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:51:52 BoogieIcfgContainer [2020-12-22 18:51:52,005 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 18:51:52,010 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 18:51:52,010 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 18:51:52,015 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 18:51:52,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:51:50" (1/3) ... [2020-12-22 18:51:52,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38467e0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:51:52, skipping insertion in model container [2020-12-22 18:51:52,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:51:50" (2/3) ... [2020-12-22 18:51:52,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38467e0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:51:52, skipping insertion in model container [2020-12-22 18:51:52,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:51:52" (3/3) ... [2020-12-22 18:51:52,021 INFO L111 eAbstractionObserver]: Analyzing ICFG sll_of_sll_nondet_append-2.i [2020-12-22 18:51:52,032 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 18:51:52,038 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 60 error locations. [2020-12-22 18:51:52,060 INFO L253 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2020-12-22 18:51:52,097 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 18:51:52,097 INFO L378 AbstractCegarLoop]: Hoare is false [2020-12-22 18:51:52,097 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 18:51:52,097 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 18:51:52,098 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 18:51:52,098 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 18:51:52,098 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 18:51:52,098 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 18:51:52,130 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states. [2020-12-22 18:51:52,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-22 18:51:52,143 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 18:51:52,144 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 18:51:52,145 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 18:51:52,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 18:51:52,153 INFO L82 PathProgramCache]: Analyzing trace with hash 1444908963, now seen corresponding path program 1 times [2020-12-22 18:51:52,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 18:51:52,162 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846793188] [2020-12-22 18:51:52,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 18:51:52,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 18:51:52,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 18:51:52,325 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846793188] [2020-12-22 18:51:52,326 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 18:51:52,326 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 18:51:52,327 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877527820] [2020-12-22 18:51:52,332 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 18:51:52,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 18:51:52,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 18:51:52,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 18:51:52,352 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 2 states. [2020-12-22 18:51:52,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 18:51:52,382 INFO L93 Difference]: Finished difference Result 158 states and 178 transitions. [2020-12-22 18:51:52,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 18:51:52,384 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-12-22 18:51:52,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 18:51:52,401 INFO L225 Difference]: With dead ends: 158 [2020-12-22 18:51:52,401 INFO L226 Difference]: Without dead ends: 152 [2020-12-22 18:51:52,407 INFO L677 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 [2020-12-22 18:51:52,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2020-12-22 18:51:52,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2020-12-22 18:51:52,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-12-22 18:51:52,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 168 transitions. [2020-12-22 18:51:52,464 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 168 transitions. Word has length 9 [2020-12-22 18:51:52,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 18:51:52,465 INFO L481 AbstractCegarLoop]: Abstraction has 152 states and 168 transitions. [2020-12-22 18:51:52,465 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 18:51:52,465 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 168 transitions. [2020-12-22 18:51:52,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-22 18:51:52,466 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 18:51:52,466 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 18:51:52,467 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 18:51:52,467 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 18:51:52,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 18:51:52,468 INFO L82 PathProgramCache]: Analyzing trace with hash 971295608, now seen corresponding path program 1 times [2020-12-22 18:51:52,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 18:51:52,469 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522217999] [2020-12-22 18:51:52,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 18:51:52,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 18:51:52,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 18:51:52,582 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522217999] [2020-12-22 18:51:52,582 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 18:51:52,583 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 18:51:52,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93617733] [2020-12-22 18:51:52,585 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 18:51:52,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 18:51:52,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 18:51:52,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 18:51:52,587 INFO L87 Difference]: Start difference. First operand 152 states and 168 transitions. Second operand 3 states. [2020-12-22 18:51:52,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 18:51:52,642 INFO L93 Difference]: Finished difference Result 199 states and 220 transitions. [2020-12-22 18:51:52,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 18:51:52,643 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-12-22 18:51:52,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 18:51:52,645 INFO L225 Difference]: With dead ends: 199 [2020-12-22 18:51:52,646 INFO L226 Difference]: Without dead ends: 199 [2020-12-22 18:51:52,647 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 18:51:52,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2020-12-22 18:51:52,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 153. [2020-12-22 18:51:52,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-12-22 18:51:52,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 169 transitions. [2020-12-22 18:51:52,665 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 169 transitions. Word has length 9 [2020-12-22 18:51:52,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 18:51:52,665 INFO L481 AbstractCegarLoop]: Abstraction has 153 states and 169 transitions. [2020-12-22 18:51:52,665 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 18:51:52,665 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 169 transitions. [2020-12-22 18:51:52,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-22 18:51:52,666 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 18:51:52,666 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 18:51:52,667 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 18:51:52,667 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 18:51:52,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 18:51:52,668 INFO L82 PathProgramCache]: Analyzing trace with hash 418964796, now seen corresponding path program 1 times [2020-12-22 18:51:52,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 18:51:52,669 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957895317] [2020-12-22 18:51:52,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 18:51:52,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 18:51:52,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 18:51:52,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957895317] [2020-12-22 18:51:52,738 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 18:51:52,738 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 18:51:52,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414045657] [2020-12-22 18:51:52,739 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 18:51:52,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 18:51:52,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 18:51:52,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 18:51:52,741 INFO L87 Difference]: Start difference. First operand 153 states and 169 transitions. Second operand 3 states. [2020-12-22 18:51:53,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 18:51:53,096 INFO L93 Difference]: Finished difference Result 289 states and 322 transitions. [2020-12-22 18:51:53,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 18:51:53,097 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-12-22 18:51:53,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 18:51:53,100 INFO L225 Difference]: With dead ends: 289 [2020-12-22 18:51:53,100 INFO L226 Difference]: Without dead ends: 289 [2020-12-22 18:51:53,101 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 18:51:53,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2020-12-22 18:51:53,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 151. [2020-12-22 18:51:53,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2020-12-22 18:51:53,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 167 transitions. [2020-12-22 18:51:53,118 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 167 transitions. Word has length 11 [2020-12-22 18:51:53,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 18:51:53,118 INFO L481 AbstractCegarLoop]: Abstraction has 151 states and 167 transitions. [2020-12-22 18:51:53,118 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 18:51:53,118 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 167 transitions. [2020-12-22 18:51:53,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-22 18:51:53,119 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 18:51:53,119 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 18:51:53,120 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 18:51:53,120 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 18:51:53,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 18:51:53,121 INFO L82 PathProgramCache]: Analyzing trace with hash 418964797, now seen corresponding path program 1 times [2020-12-22 18:51:53,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 18:51:53,122 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585242815] [2020-12-22 18:51:53,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 18:51:53,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 18:51:53,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 18:51:53,188 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585242815] [2020-12-22 18:51:53,188 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 18:51:53,189 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 18:51:53,189 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021759016] [2020-12-22 18:51:53,190 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 18:51:53,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 18:51:53,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 18:51:53,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 18:51:53,192 INFO L87 Difference]: Start difference. First operand 151 states and 167 transitions. Second operand 3 states. [2020-12-22 18:51:53,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 18:51:53,453 INFO L93 Difference]: Finished difference Result 289 states and 321 transitions. [2020-12-22 18:51:53,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 18:51:53,454 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-12-22 18:51:53,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 18:51:53,457 INFO L225 Difference]: With dead ends: 289 [2020-12-22 18:51:53,457 INFO L226 Difference]: Without dead ends: 289 [2020-12-22 18:51:53,458 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 18:51:53,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2020-12-22 18:51:53,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 149. [2020-12-22 18:51:53,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2020-12-22 18:51:53,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 165 transitions. [2020-12-22 18:51:53,473 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 165 transitions. Word has length 11 [2020-12-22 18:51:53,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 18:51:53,473 INFO L481 AbstractCegarLoop]: Abstraction has 149 states and 165 transitions. [2020-12-22 18:51:53,473 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 18:51:53,473 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 165 transitions. [2020-12-22 18:51:53,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-22 18:51:53,474 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 18:51:53,474 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 18:51:53,474 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 18:51:53,475 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 18:51:53,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 18:51:53,476 INFO L82 PathProgramCache]: Analyzing trace with hash 102956164, now seen corresponding path program 1 times [2020-12-22 18:51:53,476 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 18:51:53,476 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685098180] [2020-12-22 18:51:53,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 18:51:53,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 18:51:53,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 18:51:53,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685098180] [2020-12-22 18:51:53,584 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 18:51:53,584 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 18:51:53,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809806237] [2020-12-22 18:51:53,585 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 18:51:53,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 18:51:53,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 18:51:53,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 18:51:53,586 INFO L87 Difference]: Start difference. First operand 149 states and 165 transitions. Second operand 5 states. [2020-12-22 18:51:53,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 18:51:53,684 INFO L93 Difference]: Finished difference Result 207 states and 233 transitions. [2020-12-22 18:51:53,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 18:51:53,685 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-12-22 18:51:53,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 18:51:53,687 INFO L225 Difference]: With dead ends: 207 [2020-12-22 18:51:53,691 INFO L226 Difference]: Without dead ends: 207 [2020-12-22 18:51:53,692 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 18:51:53,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2020-12-22 18:51:53,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 177. [2020-12-22 18:51:53,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2020-12-22 18:51:53,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 214 transitions. [2020-12-22 18:51:53,708 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 214 transitions. Word has length 12 [2020-12-22 18:51:53,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 18:51:53,709 INFO L481 AbstractCegarLoop]: Abstraction has 177 states and 214 transitions. [2020-12-22 18:51:53,709 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 18:51:53,709 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 214 transitions. [2020-12-22 18:51:53,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-22 18:51:53,710 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 18:51:53,710 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 18:51:53,710 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 18:51:53,711 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 18:51:53,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 18:51:53,712 INFO L82 PathProgramCache]: Analyzing trace with hash -278457690, now seen corresponding path program 1 times [2020-12-22 18:51:53,712 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 18:51:53,712 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461255964] [2020-12-22 18:51:53,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 18:51:53,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 18:51:53,790 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 18:51:53,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461255964] [2020-12-22 18:51:53,791 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1640480459] [2020-12-22 18:51:53,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 18:51:53,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 18:51:53,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-22 18:51:53,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 18:51:54,035 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 18:51:54,036 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 18:51:54,036 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2020-12-22 18:51:54,036 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136630146] [2020-12-22 18:51:54,037 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-22 18:51:54,037 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 18:51:54,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-22 18:51:54,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-12-22 18:51:54,038 INFO L87 Difference]: Start difference. First operand 177 states and 214 transitions. Second operand 8 states. [2020-12-22 18:51:54,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 18:51:54,335 INFO L93 Difference]: Finished difference Result 261 states and 294 transitions. [2020-12-22 18:51:54,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-22 18:51:54,336 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 15 [2020-12-22 18:51:54,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 18:51:54,337 INFO L225 Difference]: With dead ends: 261 [2020-12-22 18:51:54,338 INFO L226 Difference]: Without dead ends: 261 [2020-12-22 18:51:54,339 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2020-12-22 18:51:54,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2020-12-22 18:51:54,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 180. [2020-12-22 18:51:54,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2020-12-22 18:51:54,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 217 transitions. [2020-12-22 18:51:54,352 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 217 transitions. Word has length 15 [2020-12-22 18:51:54,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 18:51:54,352 INFO L481 AbstractCegarLoop]: Abstraction has 180 states and 217 transitions. [2020-12-22 18:51:54,352 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-22 18:51:54,352 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 217 transitions. [2020-12-22 18:51:54,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-22 18:51:54,353 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 18:51:54,353 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 18:51:54,567 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-12-22 18:51:54,568 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 18:51:54,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 18:51:54,570 INFO L82 PathProgramCache]: Analyzing trace with hash -277212787, now seen corresponding path program 1 times [2020-12-22 18:51:54,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 18:51:54,571 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35752584] [2020-12-22 18:51:54,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 18:51:54,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 18:51:54,639 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 18:51:54,640 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35752584] [2020-12-22 18:51:54,640 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1619341598] [2020-12-22 18:51:54,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 18:51:54,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 18:51:54,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-22 18:51:54,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 18:51:54,784 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 18:51:54,784 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 18:51:54,785 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2020-12-22 18:51:54,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829281791] [2020-12-22 18:51:54,785 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 18:51:54,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 18:51:54,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 18:51:54,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-12-22 18:51:54,787 INFO L87 Difference]: Start difference. First operand 180 states and 217 transitions. Second operand 7 states. [2020-12-22 18:51:55,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 18:51:55,001 INFO L93 Difference]: Finished difference Result 279 states and 312 transitions. [2020-12-22 18:51:55,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-22 18:51:55,002 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 16 [2020-12-22 18:51:55,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 18:51:55,006 INFO L225 Difference]: With dead ends: 279 [2020-12-22 18:51:55,006 INFO L226 Difference]: Without dead ends: 279 [2020-12-22 18:51:55,007 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2020-12-22 18:51:55,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2020-12-22 18:51:55,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 189. [2020-12-22 18:51:55,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2020-12-22 18:51:55,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 226 transitions. [2020-12-22 18:51:55,018 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 226 transitions. Word has length 16 [2020-12-22 18:51:55,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 18:51:55,018 INFO L481 AbstractCegarLoop]: Abstraction has 189 states and 226 transitions. [2020-12-22 18:51:55,018 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 18:51:55,019 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 226 transitions. [2020-12-22 18:51:55,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-22 18:51:55,020 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 18:51:55,020 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 18:51:55,235 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 18:51:55,236 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 18:51:55,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 18:51:55,238 INFO L82 PathProgramCache]: Analyzing trace with hash 2109569558, now seen corresponding path program 2 times [2020-12-22 18:51:55,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 18:51:55,239 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628018664] [2020-12-22 18:51:55,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 18:51:55,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 18:51:55,322 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 18:51:55,322 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628018664] [2020-12-22 18:51:55,322 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [620866392] [2020-12-22 18:51:55,322 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 18:51:55,436 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-22 18:51:55,436 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 18:51:55,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-22 18:51:55,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 18:51:55,497 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 18:51:55,498 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 18:51:55,498 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2020-12-22 18:51:55,498 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107226984] [2020-12-22 18:51:55,499 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-22 18:51:55,499 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 18:51:55,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-22 18:51:55,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-12-22 18:51:55,500 INFO L87 Difference]: Start difference. First operand 189 states and 226 transitions. Second operand 8 states. [2020-12-22 18:51:55,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 18:51:55,763 INFO L93 Difference]: Finished difference Result 281 states and 314 transitions. [2020-12-22 18:51:55,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 18:51:55,764 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 20 [2020-12-22 18:51:55,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 18:51:55,766 INFO L225 Difference]: With dead ends: 281 [2020-12-22 18:51:55,766 INFO L226 Difference]: Without dead ends: 281 [2020-12-22 18:51:55,767 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=175, Unknown=0, NotChecked=0, Total=272 [2020-12-22 18:51:55,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2020-12-22 18:51:55,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 197. [2020-12-22 18:51:55,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-12-22 18:51:55,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 234 transitions. [2020-12-22 18:51:55,774 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 234 transitions. Word has length 20 [2020-12-22 18:51:55,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 18:51:55,775 INFO L481 AbstractCegarLoop]: Abstraction has 197 states and 234 transitions. [2020-12-22 18:51:55,775 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-22 18:51:55,775 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 234 transitions. [2020-12-22 18:51:55,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 18:51:55,776 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 18:51:55,776 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 18:51:55,991 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 18:51:55,992 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 18:51:55,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 18:51:55,993 INFO L82 PathProgramCache]: Analyzing trace with hash 145026606, now seen corresponding path program 1 times [2020-12-22 18:51:55,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 18:51:55,995 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729436494] [2020-12-22 18:51:55,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 18:51:56,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 18:51:56,108 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-22 18:51:56,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729436494] [2020-12-22 18:51:56,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1038202624] [2020-12-22 18:51:56,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 18:51:56,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 18:51:56,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-22 18:51:56,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 18:51:56,298 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-22 18:51:56,298 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 18:51:56,298 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-12-22 18:51:56,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094474801] [2020-12-22 18:51:56,299 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-22 18:51:56,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 18:51:56,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-22 18:51:56,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2020-12-22 18:51:56,301 INFO L87 Difference]: Start difference. First operand 197 states and 234 transitions. Second operand 8 states. [2020-12-22 18:51:56,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 18:51:56,394 INFO L93 Difference]: Finished difference Result 359 states and 391 transitions. [2020-12-22 18:51:56,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 18:51:56,395 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 24 [2020-12-22 18:51:56,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 18:51:56,397 INFO L225 Difference]: With dead ends: 359 [2020-12-22 18:51:56,397 INFO L226 Difference]: Without dead ends: 359 [2020-12-22 18:51:56,398 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2020-12-22 18:51:56,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2020-12-22 18:51:56,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 238. [2020-12-22 18:51:56,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2020-12-22 18:51:56,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 297 transitions. [2020-12-22 18:51:56,408 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 297 transitions. Word has length 24 [2020-12-22 18:51:56,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 18:51:56,408 INFO L481 AbstractCegarLoop]: Abstraction has 238 states and 297 transitions. [2020-12-22 18:51:56,408 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-22 18:51:56,408 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 297 transitions. [2020-12-22 18:51:56,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 18:51:56,410 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 18:51:56,410 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 18:51:56,624 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 18:51:56,625 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 18:51:56,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 18:51:56,627 INFO L82 PathProgramCache]: Analyzing trace with hash -208177633, now seen corresponding path program 3 times [2020-12-22 18:51:56,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 18:51:56,628 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306603455] [2020-12-22 18:51:56,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 18:51:56,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 18:51:56,716 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-22 18:51:56,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306603455] [2020-12-22 18:51:56,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1127730673] [2020-12-22 18:51:56,717 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 18:51:56,827 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2020-12-22 18:51:56,827 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 18:51:56,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 14 conjunts are in the unsatisfiable core [2020-12-22 18:51:56,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 18:51:56,874 INFO L382 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 [2020-12-22 18:51:56,874 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 18:51:56,877 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:51:56,877 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-22 18:51:56,878 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-12-22 18:51:56,921 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:51:56,921 INFO L382 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 39 [2020-12-22 18:51:56,927 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 18:51:56,933 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 18:51:56,939 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:51:56,942 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-22 18:51:56,942 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2020-12-22 18:51:57,018 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:51:57,019 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 50 [2020-12-22 18:51:57,025 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 18:51:57,058 INFO L625 ElimStorePlain]: treesize reduction 28, result has 41.7 percent of original size [2020-12-22 18:51:57,060 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-22 18:51:57,061 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:21, output treesize:20 [2020-12-22 18:51:57,174 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:51:57,174 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 50 [2020-12-22 18:51:57,178 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 18:51:57,204 INFO L625 ElimStorePlain]: treesize reduction 28, result has 41.7 percent of original size [2020-12-22 18:51:57,207 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-22 18:51:57,208 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:21, output treesize:20 [2020-12-22 18:51:57,257 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-22 18:51:57,257 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 18:51:57,257 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4] total 5 [2020-12-22 18:51:57,258 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137368661] [2020-12-22 18:51:57,258 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 18:51:57,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 18:51:57,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 18:51:57,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-12-22 18:51:57,259 INFO L87 Difference]: Start difference. First operand 238 states and 297 transitions. Second operand 6 states. [2020-12-22 18:51:57,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 18:51:57,463 INFO L93 Difference]: Finished difference Result 289 states and 353 transitions. [2020-12-22 18:51:57,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 18:51:57,464 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-12-22 18:51:57,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 18:51:57,465 INFO L225 Difference]: With dead ends: 289 [2020-12-22 18:51:57,466 INFO L226 Difference]: Without dead ends: 289 [2020-12-22 18:51:57,466 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 3 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-12-22 18:51:57,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2020-12-22 18:51:57,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 234. [2020-12-22 18:51:57,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-12-22 18:51:57,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 289 transitions. [2020-12-22 18:51:57,473 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 289 transitions. Word has length 24 [2020-12-22 18:51:57,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 18:51:57,474 INFO L481 AbstractCegarLoop]: Abstraction has 234 states and 289 transitions. [2020-12-22 18:51:57,474 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 18:51:57,474 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 289 transitions. [2020-12-22 18:51:57,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 18:51:57,475 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 18:51:57,475 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 18:51:57,689 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-22 18:51:57,690 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 18:51:57,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 18:51:57,691 INFO L82 PathProgramCache]: Analyzing trace with hash -208177632, now seen corresponding path program 1 times [2020-12-22 18:51:57,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 18:51:57,692 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24852675] [2020-12-22 18:51:57,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 18:51:57,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 18:51:57,812 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-22 18:51:57,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24852675] [2020-12-22 18:51:57,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [949456689] [2020-12-22 18:51:57,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 18:51:57,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 18:51:57,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 20 conjunts are in the unsatisfiable core [2020-12-22 18:51:57,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 18:51:57,959 INFO L382 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 [2020-12-22 18:51:57,960 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 18:51:57,967 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:51:57,972 INFO L382 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 [2020-12-22 18:51:57,973 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 18:51:57,980 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:51:57,981 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-22 18:51:57,982 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2020-12-22 18:51:58,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:51:58,006 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 14 [2020-12-22 18:51:58,008 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 18:51:58,020 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:51:58,032 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:51:58,032 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2020-12-22 18:51:58,036 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 18:51:58,038 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 18:51:58,055 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:51:58,058 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-22 18:51:58,059 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:18 [2020-12-22 18:51:58,141 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:51:58,142 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 50 [2020-12-22 18:51:58,150 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 18:51:58,187 INFO L625 ElimStorePlain]: treesize reduction 28, result has 45.1 percent of original size [2020-12-22 18:51:58,189 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-22 18:51:58,190 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:24, output treesize:23 [2020-12-22 18:51:58,264 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:51:58,264 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 50 [2020-12-22 18:51:58,268 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 18:51:58,302 INFO L625 ElimStorePlain]: treesize reduction 28, result has 45.1 percent of original size [2020-12-22 18:51:58,309 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-22 18:51:58,309 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:24, output treesize:23 [2020-12-22 18:51:58,355 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-22 18:51:58,355 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 18:51:58,355 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2020-12-22 18:51:58,356 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351731765] [2020-12-22 18:51:58,356 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 18:51:58,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 18:51:58,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 18:51:58,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 18:51:58,357 INFO L87 Difference]: Start difference. First operand 234 states and 289 transitions. Second operand 5 states. [2020-12-22 18:51:58,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 18:51:58,564 INFO L93 Difference]: Finished difference Result 285 states and 345 transitions. [2020-12-22 18:51:58,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 18:51:58,564 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-12-22 18:51:58,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 18:51:58,566 INFO L225 Difference]: With dead ends: 285 [2020-12-22 18:51:58,567 INFO L226 Difference]: Without dead ends: 285 [2020-12-22 18:51:58,567 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-12-22 18:51:58,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2020-12-22 18:51:58,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 230. [2020-12-22 18:51:58,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2020-12-22 18:51:58,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 281 transitions. [2020-12-22 18:51:58,574 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 281 transitions. Word has length 24 [2020-12-22 18:51:58,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 18:51:58,574 INFO L481 AbstractCegarLoop]: Abstraction has 230 states and 281 transitions. [2020-12-22 18:51:58,574 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 18:51:58,575 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 281 transitions. [2020-12-22 18:51:58,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-22 18:51:58,576 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 18:51:58,576 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 18:51:58,789 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 18:51:58,790 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 18:51:58,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 18:51:58,791 INFO L82 PathProgramCache]: Analyzing trace with hash 1164546374, now seen corresponding path program 1 times [2020-12-22 18:51:58,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 18:51:58,791 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971890245] [2020-12-22 18:51:58,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 18:51:58,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 18:51:58,882 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-12-22 18:51:58,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971890245] [2020-12-22 18:51:58,883 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 18:51:58,883 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 18:51:58,883 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334056969] [2020-12-22 18:51:58,884 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 18:51:58,884 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 18:51:58,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 18:51:58,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 18:51:58,885 INFO L87 Difference]: Start difference. First operand 230 states and 281 transitions. Second operand 5 states. [2020-12-22 18:51:59,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 18:51:59,071 INFO L93 Difference]: Finished difference Result 271 states and 329 transitions. [2020-12-22 18:51:59,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 18:51:59,071 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-12-22 18:51:59,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 18:51:59,073 INFO L225 Difference]: With dead ends: 271 [2020-12-22 18:51:59,073 INFO L226 Difference]: Without dead ends: 271 [2020-12-22 18:51:59,074 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 18:51:59,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2020-12-22 18:51:59,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 228. [2020-12-22 18:51:59,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2020-12-22 18:51:59,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 277 transitions. [2020-12-22 18:51:59,080 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 277 transitions. Word has length 29 [2020-12-22 18:51:59,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 18:51:59,081 INFO L481 AbstractCegarLoop]: Abstraction has 228 states and 277 transitions. [2020-12-22 18:51:59,081 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 18:51:59,081 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 277 transitions. [2020-12-22 18:51:59,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-22 18:51:59,087 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 18:51:59,087 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 18:51:59,087 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-22 18:51:59,088 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 18:51:59,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 18:51:59,088 INFO L82 PathProgramCache]: Analyzing trace with hash 1164546375, now seen corresponding path program 1 times [2020-12-22 18:51:59,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 18:51:59,093 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245031484] [2020-12-22 18:51:59,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 18:51:59,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 18:51:59,222 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-12-22 18:51:59,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245031484] [2020-12-22 18:51:59,224 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 18:51:59,224 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 18:51:59,224 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298340648] [2020-12-22 18:51:59,225 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 18:51:59,225 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 18:51:59,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 18:51:59,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-22 18:51:59,226 INFO L87 Difference]: Start difference. First operand 228 states and 277 transitions. Second operand 6 states. [2020-12-22 18:51:59,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 18:51:59,405 INFO L93 Difference]: Finished difference Result 242 states and 296 transitions. [2020-12-22 18:51:59,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 18:51:59,406 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 29 [2020-12-22 18:51:59,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 18:51:59,408 INFO L225 Difference]: With dead ends: 242 [2020-12-22 18:51:59,408 INFO L226 Difference]: Without dead ends: 242 [2020-12-22 18:51:59,408 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 18:51:59,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2020-12-22 18:51:59,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 226. [2020-12-22 18:51:59,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-12-22 18:51:59,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 273 transitions. [2020-12-22 18:51:59,414 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 273 transitions. Word has length 29 [2020-12-22 18:51:59,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 18:51:59,415 INFO L481 AbstractCegarLoop]: Abstraction has 226 states and 273 transitions. [2020-12-22 18:51:59,415 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 18:51:59,415 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 273 transitions. [2020-12-22 18:51:59,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-22 18:51:59,415 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 18:51:59,416 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 18:51:59,416 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-22 18:51:59,416 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 18:51:59,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 18:51:59,417 INFO L82 PathProgramCache]: Analyzing trace with hash 1741199269, now seen corresponding path program 1 times [2020-12-22 18:51:59,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 18:51:59,417 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980500399] [2020-12-22 18:51:59,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 18:51:59,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 18:51:59,577 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-22 18:51:59,578 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980500399] [2020-12-22 18:51:59,578 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1294057462] [2020-12-22 18:51:59,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 18:51:59,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 18:51:59,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 16 conjunts are in the unsatisfiable core [2020-12-22 18:51:59,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 18:51:59,684 INFO L382 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 [2020-12-22 18:51:59,685 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 18:51:59,686 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:51:59,688 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-22 18:51:59,688 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-12-22 18:51:59,723 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:51:59,723 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 28 [2020-12-22 18:51:59,725 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 18:51:59,737 INFO L625 ElimStorePlain]: treesize reduction 14, result has 44.0 percent of original size [2020-12-22 18:51:59,739 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-22 18:51:59,739 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2020-12-22 18:51:59,765 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:51:59,765 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 28 [2020-12-22 18:51:59,770 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 18:51:59,783 INFO L625 ElimStorePlain]: treesize reduction 14, result has 44.0 percent of original size [2020-12-22 18:51:59,785 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-22 18:51:59,785 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2020-12-22 18:51:59,813 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:51:59,814 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 28 [2020-12-22 18:51:59,817 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 18:51:59,829 INFO L625 ElimStorePlain]: treesize reduction 14, result has 44.0 percent of original size [2020-12-22 18:51:59,831 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-22 18:51:59,832 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2020-12-22 18:51:59,859 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:51:59,860 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 28 [2020-12-22 18:51:59,861 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 18:51:59,875 INFO L625 ElimStorePlain]: treesize reduction 14, result has 44.0 percent of original size [2020-12-22 18:51:59,876 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-22 18:51:59,876 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2020-12-22 18:51:59,896 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-12-22 18:51:59,896 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 18:51:59,896 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2020-12-22 18:51:59,896 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479123682] [2020-12-22 18:51:59,897 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 18:51:59,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 18:51:59,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 18:51:59,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-12-22 18:51:59,898 INFO L87 Difference]: Start difference. First operand 226 states and 273 transitions. Second operand 4 states. [2020-12-22 18:52:00,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 18:52:00,023 INFO L93 Difference]: Finished difference Result 263 states and 315 transitions. [2020-12-22 18:52:00,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 18:52:00,023 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2020-12-22 18:52:00,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 18:52:00,025 INFO L225 Difference]: With dead ends: 263 [2020-12-22 18:52:00,025 INFO L226 Difference]: Without dead ends: 263 [2020-12-22 18:52:00,026 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 28 SyntacticMatches, 5 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-12-22 18:52:00,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2020-12-22 18:52:00,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 220. [2020-12-22 18:52:00,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-12-22 18:52:00,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 263 transitions. [2020-12-22 18:52:00,032 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 263 transitions. Word has length 30 [2020-12-22 18:52:00,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 18:52:00,032 INFO L481 AbstractCegarLoop]: Abstraction has 220 states and 263 transitions. [2020-12-22 18:52:00,032 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 18:52:00,032 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 263 transitions. [2020-12-22 18:52:00,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-22 18:52:00,033 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 18:52:00,033 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 18:52:00,247 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-12-22 18:52:00,248 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 18:52:00,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 18:52:00,249 INFO L82 PathProgramCache]: Analyzing trace with hash 1741199270, now seen corresponding path program 1 times [2020-12-22 18:52:00,250 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 18:52:00,250 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400558205] [2020-12-22 18:52:00,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 18:52:00,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 18:52:00,590 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 18:52:00,591 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400558205] [2020-12-22 18:52:00,591 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [248822446] [2020-12-22 18:52:00,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 18:52:00,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 18:52:00,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 21 conjunts are in the unsatisfiable core [2020-12-22 18:52:00,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 18:52:00,703 INFO L382 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 [2020-12-22 18:52:00,703 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 18:52:00,709 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:52:00,710 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-22 18:52:00,710 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2020-12-22 18:52:00,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:52:00,753 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 14 [2020-12-22 18:52:00,754 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 18:52:00,764 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:52:00,768 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-22 18:52:00,768 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:21, output treesize:20 [2020-12-22 18:52:00,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:52:00,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:52:00,826 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:52:00,827 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 36 [2020-12-22 18:52:00,829 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 18:52:00,860 INFO L625 ElimStorePlain]: treesize reduction 14, result has 66.7 percent of original size [2020-12-22 18:52:00,863 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-22 18:52:00,863 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:28 [2020-12-22 18:52:00,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:52:00,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:52:00,939 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:52:00,939 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 36 [2020-12-22 18:52:00,941 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 18:52:00,975 INFO L625 ElimStorePlain]: treesize reduction 14, result has 66.7 percent of original size [2020-12-22 18:52:00,977 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-22 18:52:00,978 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:28 [2020-12-22 18:52:01,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:52:01,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:52:01,037 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:52:01,037 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 36 [2020-12-22 18:52:01,039 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 18:52:01,068 INFO L625 ElimStorePlain]: treesize reduction 14, result has 67.4 percent of original size [2020-12-22 18:52:01,070 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-22 18:52:01,070 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:29 [2020-12-22 18:52:01,157 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-22 18:52:01,158 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 18:52:01,158 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 4] total 13 [2020-12-22 18:52:01,158 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471165784] [2020-12-22 18:52:01,159 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-12-22 18:52:01,159 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 18:52:01,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-12-22 18:52:01,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2020-12-22 18:52:01,160 INFO L87 Difference]: Start difference. First operand 220 states and 263 transitions. Second operand 14 states. [2020-12-22 18:52:01,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 18:52:01,624 INFO L93 Difference]: Finished difference Result 259 states and 306 transitions. [2020-12-22 18:52:01,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 18:52:01,625 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 30 [2020-12-22 18:52:01,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 18:52:01,627 INFO L225 Difference]: With dead ends: 259 [2020-12-22 18:52:01,627 INFO L226 Difference]: Without dead ends: 259 [2020-12-22 18:52:01,627 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 25 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=113, Invalid=193, Unknown=0, NotChecked=0, Total=306 [2020-12-22 18:52:01,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2020-12-22 18:52:01,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 214. [2020-12-22 18:52:01,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2020-12-22 18:52:01,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 253 transitions. [2020-12-22 18:52:01,634 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 253 transitions. Word has length 30 [2020-12-22 18:52:01,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 18:52:01,634 INFO L481 AbstractCegarLoop]: Abstraction has 214 states and 253 transitions. [2020-12-22 18:52:01,634 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-12-22 18:52:01,634 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 253 transitions. [2020-12-22 18:52:01,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 18:52:01,635 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 18:52:01,635 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 18:52:01,849 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-12-22 18:52:01,849 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 18:52:01,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 18:52:01,851 INFO L82 PathProgramCache]: Analyzing trace with hash 1747434766, now seen corresponding path program 1 times [2020-12-22 18:52:01,851 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 18:52:01,851 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95405772] [2020-12-22 18:52:01,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 18:52:01,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 18:52:02,132 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-22 18:52:02,137 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95405772] [2020-12-22 18:52:02,137 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2014601863] [2020-12-22 18:52:02,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 18:52:02,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 18:52:02,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 62 conjunts are in the unsatisfiable core [2020-12-22 18:52:02,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 18:52:02,342 INFO L382 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 [2020-12-22 18:52:02,343 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 18:52:02,354 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:52:02,358 INFO L382 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 [2020-12-22 18:52:02,359 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 18:52:02,371 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:52:02,371 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-22 18:52:02,372 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:33, output treesize:31 [2020-12-22 18:52:02,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:52:02,422 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 14 [2020-12-22 18:52:02,423 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 18:52:02,440 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:52:02,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:52:02,446 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 11 treesize of output 7 [2020-12-22 18:52:02,448 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 18:52:02,461 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:52:02,462 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-22 18:52:02,462 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:45, output treesize:34 [2020-12-22 18:52:02,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:52:02,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:52:02,573 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:52:02,574 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 36 [2020-12-22 18:52:02,577 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 18:52:02,654 INFO L625 ElimStorePlain]: treesize reduction 14, result has 77.4 percent of original size [2020-12-22 18:52:02,655 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-22 18:52:02,655 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:48 [2020-12-22 18:52:02,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:52:02,717 INFO L382 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 19 treesize of output 18 [2020-12-22 18:52:02,718 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 18:52:02,743 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:52:02,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:52:02,749 INFO L382 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 19 treesize of output 18 [2020-12-22 18:52:02,750 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 18:52:02,773 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:52:02,775 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-22 18:52:02,776 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:64, output treesize:56 [2020-12-22 18:52:02,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:52:02,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:52:02,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:52:02,885 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:52:02,885 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 66 [2020-12-22 18:52:02,889 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 18:52:02,974 INFO L625 ElimStorePlain]: treesize reduction 28, result has 70.5 percent of original size [2020-12-22 18:52:02,982 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2020-12-22 18:52:02,982 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:68, output treesize:67 [2020-12-22 18:52:03,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:52:03,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:52:03,135 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:52:03,136 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 52 [2020-12-22 18:52:03,139 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 18:52:03,249 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2020-12-22 18:52:03,250 INFO L625 ElimStorePlain]: treesize reduction 16, result has 85.3 percent of original size [2020-12-22 18:52:03,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:52:03,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:52:03,281 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:52:03,282 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 52 [2020-12-22 18:52:03,286 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 18:52:03,412 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2020-12-22 18:52:03,413 INFO L625 ElimStorePlain]: treesize reduction 16, result has 85.8 percent of original size [2020-12-22 18:52:03,421 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-12-22 18:52:03,421 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 18:52:03,426 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 18:52:03,428 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 18:52:03,429 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 18:52:03,431 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 18:52:03,432 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 18:52:03,433 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 18:52:03,434 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 18:52:03,435 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 18:52:03,438 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 18:52:03,439 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 18:52:03,440 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 18:52:03,441 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 18:52:03,443 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 18:52:03,444 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 18:52:03,446 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 18:52:03,448 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 18:52:03,449 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 18:52:03,450 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 18:52:03,451 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 18:52:03,453 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 18:52:03,455 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 18:52:03,456 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 18:52:03,457 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 18:52:03,473 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 18:52:03,475 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 18:52:03,477 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 18:52:03,478 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 18:52:03,479 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 18:52:03,481 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 18:52:03,482 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 18:52:03,484 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 18:52:03,485 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 18:52:03,488 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-22 18:52:03,494 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 18:52:03,497 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 18:52:03,498 INFO L547 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2020-12-22 18:52:03,498 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 9 variables, input treesize:89, output treesize:73 [2020-12-22 18:52:03,502 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 18:52:03,503 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 18:52:03,506 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 18:52:03,508 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 18:52:03,510 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 18:52:03,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:52:03,563 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 11 treesize of output 7 [2020-12-22 18:52:03,565 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 18:52:03,575 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:52:03,576 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-22 18:52:03,576 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:28 [2020-12-22 18:52:03,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:52:03,631 INFO L382 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 19 treesize of output 18 [2020-12-22 18:52:03,632 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 18:52:03,649 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:52:03,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:52:03,656 INFO L382 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 19 treesize of output 18 [2020-12-22 18:52:03,659 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 18:52:03,674 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:52:03,676 INFO L547 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-22 18:52:03,677 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:50, output treesize:23 [2020-12-22 18:52:03,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:52:03,722 INFO L382 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 21 treesize of output 20 [2020-12-22 18:52:03,723 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 18:52:03,738 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:52:03,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:52:03,745 INFO L382 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 21 treesize of output 20 [2020-12-22 18:52:03,749 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 18:52:03,763 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:52:03,765 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-22 18:52:03,766 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:49, output treesize:23 [2020-12-22 18:52:03,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:52:03,785 INFO L382 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 19 treesize of output 18 [2020-12-22 18:52:03,786 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 18:52:03,798 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:52:03,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:52:03,804 INFO L382 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 19 treesize of output 18 [2020-12-22 18:52:03,805 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 18:52:03,818 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:52:03,819 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-22 18:52:03,819 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:45, output treesize:37 [2020-12-22 18:52:03,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:52:03,995 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:52:03,996 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 44 [2020-12-22 18:52:03,998 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 18:52:04,049 INFO L625 ElimStorePlain]: treesize reduction 16, result has 77.5 percent of original size [2020-12-22 18:52:04,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:52:04,069 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:52:04,069 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 44 [2020-12-22 18:52:04,072 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 18:52:04,118 INFO L625 ElimStorePlain]: treesize reduction 16, result has 76.1 percent of original size [2020-12-22 18:52:04,122 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2020-12-22 18:52:04,123 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:59, output treesize:51 [2020-12-22 18:52:04,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:52:04,495 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:52:04,495 INFO L382 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 1 case distinctions, treesize of input 29 treesize of output 21 [2020-12-22 18:52:04,497 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 18:52:04,509 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:52:04,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:52:04,518 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:52:04,518 INFO L382 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 1 case distinctions, treesize of input 29 treesize of output 21 [2020-12-22 18:52:04,520 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 18:52:04,526 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:52:04,527 INFO L547 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-22 18:52:04,528 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:62, output treesize:7 [2020-12-22 18:52:04,543 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 18:52:04,544 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 18:52:04,544 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 16] total 24 [2020-12-22 18:52:04,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506244847] [2020-12-22 18:52:04,545 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-12-22 18:52:04,545 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 18:52:04,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-12-22 18:52:04,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2020-12-22 18:52:04,546 INFO L87 Difference]: Start difference. First operand 214 states and 253 transitions. Second operand 24 states. [2020-12-22 18:52:07,110 WARN L197 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2020-12-22 18:52:12,045 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 60 [2020-12-22 18:52:12,255 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 64 [2020-12-22 18:52:12,407 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 53 [2020-12-22 18:52:12,573 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 64 [2020-12-22 18:52:12,752 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 64 [2020-12-22 18:52:12,961 WARN L197 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 75 [2020-12-22 18:52:13,229 WARN L197 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 79 [2020-12-22 18:52:13,457 WARN L197 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 79 [2020-12-22 18:52:14,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 18:52:14,016 INFO L93 Difference]: Finished difference Result 440 states and 507 transitions. [2020-12-22 18:52:14,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-12-22 18:52:14,017 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 33 [2020-12-22 18:52:14,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 18:52:14,019 INFO L225 Difference]: With dead ends: 440 [2020-12-22 18:52:14,019 INFO L226 Difference]: Without dead ends: 440 [2020-12-22 18:52:14,020 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 25 SyntacticMatches, 3 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=460, Invalid=1180, Unknown=0, NotChecked=0, Total=1640 [2020-12-22 18:52:14,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2020-12-22 18:52:14,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 326. [2020-12-22 18:52:14,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 326 states. [2020-12-22 18:52:14,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 376 transitions. [2020-12-22 18:52:14,029 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 376 transitions. Word has length 33 [2020-12-22 18:52:14,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 18:52:14,029 INFO L481 AbstractCegarLoop]: Abstraction has 326 states and 376 transitions. [2020-12-22 18:52:14,029 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-12-22 18:52:14,029 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 376 transitions. [2020-12-22 18:52:14,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-22 18:52:14,030 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 18:52:14,030 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 18:52:14,245 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2020-12-22 18:52:14,246 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 18:52:14,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 18:52:14,247 INFO L82 PathProgramCache]: Analyzing trace with hash 1169594127, now seen corresponding path program 1 times [2020-12-22 18:52:14,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 18:52:14,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063871676] [2020-12-22 18:52:14,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 18:52:14,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 18:52:14,316 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-22 18:52:14,316 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063871676] [2020-12-22 18:52:14,316 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [809342769] [2020-12-22 18:52:14,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 18:52:14,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 18:52:14,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-22 18:52:14,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 18:52:14,490 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-22 18:52:14,490 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 18:52:14,490 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 9 [2020-12-22 18:52:14,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674013177] [2020-12-22 18:52:14,491 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 18:52:14,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 18:52:14,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 18:52:14,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-12-22 18:52:14,492 INFO L87 Difference]: Start difference. First operand 326 states and 376 transitions. Second operand 9 states. [2020-12-22 18:52:14,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 18:52:14,707 INFO L93 Difference]: Finished difference Result 413 states and 468 transitions. [2020-12-22 18:52:14,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-22 18:52:14,708 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 43 [2020-12-22 18:52:14,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 18:52:14,710 INFO L225 Difference]: With dead ends: 413 [2020-12-22 18:52:14,710 INFO L226 Difference]: Without dead ends: 413 [2020-12-22 18:52:14,711 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=177, Unknown=0, NotChecked=0, Total=272 [2020-12-22 18:52:14,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2020-12-22 18:52:14,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 334. [2020-12-22 18:52:14,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2020-12-22 18:52:14,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 384 transitions. [2020-12-22 18:52:14,718 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 384 transitions. Word has length 43 [2020-12-22 18:52:14,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 18:52:14,719 INFO L481 AbstractCegarLoop]: Abstraction has 334 states and 384 transitions. [2020-12-22 18:52:14,719 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 18:52:14,719 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 384 transitions. [2020-12-22 18:52:14,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-22 18:52:14,720 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 18:52:14,720 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 18:52:14,934 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-12-22 18:52:14,934 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 18:52:14,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 18:52:14,936 INFO L82 PathProgramCache]: Analyzing trace with hash 507589846, now seen corresponding path program 1 times [2020-12-22 18:52:14,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 18:52:14,936 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814778835] [2020-12-22 18:52:14,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 18:52:14,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 18:52:15,055 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-12-22 18:52:15,055 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814778835] [2020-12-22 18:52:15,055 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 18:52:15,056 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-22 18:52:15,056 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652025105] [2020-12-22 18:52:15,056 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 18:52:15,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 18:52:15,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 18:52:15,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-12-22 18:52:15,057 INFO L87 Difference]: Start difference. First operand 334 states and 384 transitions. Second operand 9 states. [2020-12-22 18:52:15,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 18:52:15,577 INFO L93 Difference]: Finished difference Result 532 states and 609 transitions. [2020-12-22 18:52:15,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-22 18:52:15,577 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 48 [2020-12-22 18:52:15,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 18:52:15,580 INFO L225 Difference]: With dead ends: 532 [2020-12-22 18:52:15,580 INFO L226 Difference]: Without dead ends: 532 [2020-12-22 18:52:15,581 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2020-12-22 18:52:15,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2020-12-22 18:52:15,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 342. [2020-12-22 18:52:15,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 342 states. [2020-12-22 18:52:15,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 397 transitions. [2020-12-22 18:52:15,590 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 397 transitions. Word has length 48 [2020-12-22 18:52:15,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 18:52:15,590 INFO L481 AbstractCegarLoop]: Abstraction has 342 states and 397 transitions. [2020-12-22 18:52:15,590 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 18:52:15,590 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 397 transitions. [2020-12-22 18:52:15,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-22 18:52:15,591 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 18:52:15,591 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 18:52:15,591 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-22 18:52:15,591 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 18:52:15,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 18:52:15,592 INFO L82 PathProgramCache]: Analyzing trace with hash 507589847, now seen corresponding path program 1 times [2020-12-22 18:52:15,592 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 18:52:15,592 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948348587] [2020-12-22 18:52:15,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 18:52:15,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 18:52:15,666 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-22 18:52:15,666 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948348587] [2020-12-22 18:52:15,666 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1701089800] [2020-12-22 18:52:15,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 18:52:15,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 18:52:15,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-22 18:52:15,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 18:52:15,813 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-22 18:52:15,814 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 18:52:15,814 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 8 [2020-12-22 18:52:15,814 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826867123] [2020-12-22 18:52:15,814 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-22 18:52:15,814 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 18:52:15,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-22 18:52:15,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-12-22 18:52:15,815 INFO L87 Difference]: Start difference. First operand 342 states and 397 transitions. Second operand 8 states. [2020-12-22 18:52:16,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 18:52:16,044 INFO L93 Difference]: Finished difference Result 367 states and 421 transitions. [2020-12-22 18:52:16,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 18:52:16,045 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 48 [2020-12-22 18:52:16,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 18:52:16,047 INFO L225 Difference]: With dead ends: 367 [2020-12-22 18:52:16,047 INFO L226 Difference]: Without dead ends: 367 [2020-12-22 18:52:16,048 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=175, Unknown=0, NotChecked=0, Total=272 [2020-12-22 18:52:16,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2020-12-22 18:52:16,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 350. [2020-12-22 18:52:16,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2020-12-22 18:52:16,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 405 transitions. [2020-12-22 18:52:16,055 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 405 transitions. Word has length 48 [2020-12-22 18:52:16,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 18:52:16,055 INFO L481 AbstractCegarLoop]: Abstraction has 350 states and 405 transitions. [2020-12-22 18:52:16,056 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-22 18:52:16,056 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 405 transitions. [2020-12-22 18:52:16,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-22 18:52:16,056 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 18:52:16,057 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 18:52:16,270 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 18:52:16,270 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 18:52:16,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 18:52:16,271 INFO L82 PathProgramCache]: Analyzing trace with hash -1207361618, now seen corresponding path program 2 times [2020-12-22 18:52:16,272 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 18:52:16,272 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305765218] [2020-12-22 18:52:16,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 18:52:16,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 18:52:16,425 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-12-22 18:52:16,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305765218] [2020-12-22 18:52:16,425 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 18:52:16,425 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-22 18:52:16,425 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326862241] [2020-12-22 18:52:16,426 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 18:52:16,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 18:52:16,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 18:52:16,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-12-22 18:52:16,427 INFO L87 Difference]: Start difference. First operand 350 states and 405 transitions. Second operand 9 states. [2020-12-22 18:52:17,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 18:52:17,020 INFO L93 Difference]: Finished difference Result 503 states and 586 transitions. [2020-12-22 18:52:17,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-22 18:52:17,021 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 52 [2020-12-22 18:52:17,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 18:52:17,024 INFO L225 Difference]: With dead ends: 503 [2020-12-22 18:52:17,024 INFO L226 Difference]: Without dead ends: 503 [2020-12-22 18:52:17,025 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2020-12-22 18:52:17,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2020-12-22 18:52:17,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 368. [2020-12-22 18:52:17,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 368 states. [2020-12-22 18:52:17,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 433 transitions. [2020-12-22 18:52:17,035 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 433 transitions. Word has length 52 [2020-12-22 18:52:17,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 18:52:17,035 INFO L481 AbstractCegarLoop]: Abstraction has 368 states and 433 transitions. [2020-12-22 18:52:17,035 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 18:52:17,035 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 433 transitions. [2020-12-22 18:52:17,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-22 18:52:17,036 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 18:52:17,036 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 18:52:17,037 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-22 18:52:17,037 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 18:52:17,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 18:52:17,037 INFO L82 PathProgramCache]: Analyzing trace with hash 1226489968, now seen corresponding path program 1 times [2020-12-22 18:52:17,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 18:52:17,038 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633729524] [2020-12-22 18:52:17,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 18:52:17,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 18:52:17,119 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-12-22 18:52:17,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633729524] [2020-12-22 18:52:17,119 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 18:52:17,120 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 18:52:17,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285080098] [2020-12-22 18:52:17,120 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 18:52:17,120 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 18:52:17,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 18:52:17,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-22 18:52:17,121 INFO L87 Difference]: Start difference. First operand 368 states and 433 transitions. Second operand 7 states. [2020-12-22 18:52:17,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 18:52:17,370 INFO L93 Difference]: Finished difference Result 406 states and 480 transitions. [2020-12-22 18:52:17,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 18:52:17,371 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2020-12-22 18:52:17,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 18:52:17,373 INFO L225 Difference]: With dead ends: 406 [2020-12-22 18:52:17,373 INFO L226 Difference]: Without dead ends: 406 [2020-12-22 18:52:17,374 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-12-22 18:52:17,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2020-12-22 18:52:17,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 392. [2020-12-22 18:52:17,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 392 states. [2020-12-22 18:52:17,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 471 transitions. [2020-12-22 18:52:17,383 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 471 transitions. Word has length 53 [2020-12-22 18:52:17,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 18:52:17,384 INFO L481 AbstractCegarLoop]: Abstraction has 392 states and 471 transitions. [2020-12-22 18:52:17,384 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 18:52:17,384 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 471 transitions. [2020-12-22 18:52:17,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-22 18:52:17,385 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 18:52:17,385 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 18:52:17,385 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-22 18:52:17,385 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 18:52:17,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 18:52:17,386 INFO L82 PathProgramCache]: Analyzing trace with hash -633517067, now seen corresponding path program 1 times [2020-12-22 18:52:17,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 18:52:17,386 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551727031] [2020-12-22 18:52:17,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 18:52:17,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 18:52:17,492 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-12-22 18:52:17,492 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551727031] [2020-12-22 18:52:17,492 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 18:52:17,492 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-22 18:52:17,493 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648410719] [2020-12-22 18:52:17,493 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-22 18:52:17,493 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 18:52:17,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-22 18:52:17,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-12-22 18:52:17,494 INFO L87 Difference]: Start difference. First operand 392 states and 471 transitions. Second operand 8 states. [2020-12-22 18:52:17,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 18:52:17,814 INFO L93 Difference]: Finished difference Result 496 states and 589 transitions. [2020-12-22 18:52:17,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 18:52:17,816 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-12-22 18:52:17,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 18:52:17,819 INFO L225 Difference]: With dead ends: 496 [2020-12-22 18:52:17,819 INFO L226 Difference]: Without dead ends: 496 [2020-12-22 18:52:17,819 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-12-22 18:52:17,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2020-12-22 18:52:17,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 392. [2020-12-22 18:52:17,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 392 states. [2020-12-22 18:52:17,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 468 transitions. [2020-12-22 18:52:17,829 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 468 transitions. Word has length 54 [2020-12-22 18:52:17,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 18:52:17,830 INFO L481 AbstractCegarLoop]: Abstraction has 392 states and 468 transitions. [2020-12-22 18:52:17,830 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-22 18:52:17,830 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 468 transitions. [2020-12-22 18:52:17,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-22 18:52:17,831 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 18:52:17,831 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 18:52:17,831 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-22 18:52:17,831 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 18:52:17,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 18:52:17,832 INFO L82 PathProgramCache]: Analyzing trace with hash 1841310267, now seen corresponding path program 1 times [2020-12-22 18:52:17,832 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 18:52:17,832 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071380555] [2020-12-22 18:52:17,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 18:52:17,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 18:52:18,271 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-12-22 18:52:18,272 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071380555] [2020-12-22 18:52:18,272 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 18:52:18,272 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-12-22 18:52:18,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563847861] [2020-12-22 18:52:18,273 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-12-22 18:52:18,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 18:52:18,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-12-22 18:52:18,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2020-12-22 18:52:18,274 INFO L87 Difference]: Start difference. First operand 392 states and 468 transitions. Second operand 16 states. [2020-12-22 18:52:20,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 18:52:20,492 INFO L93 Difference]: Finished difference Result 583 states and 686 transitions. [2020-12-22 18:52:20,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-12-22 18:52:20,493 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 55 [2020-12-22 18:52:20,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 18:52:20,497 INFO L225 Difference]: With dead ends: 583 [2020-12-22 18:52:20,497 INFO L226 Difference]: Without dead ends: 583 [2020-12-22 18:52:20,498 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=367, Invalid=965, Unknown=0, NotChecked=0, Total=1332 [2020-12-22 18:52:20,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2020-12-22 18:52:20,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 394. [2020-12-22 18:52:20,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-12-22 18:52:20,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 472 transitions. [2020-12-22 18:52:20,508 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 472 transitions. Word has length 55 [2020-12-22 18:52:20,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 18:52:20,509 INFO L481 AbstractCegarLoop]: Abstraction has 394 states and 472 transitions. [2020-12-22 18:52:20,509 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-12-22 18:52:20,509 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 472 transitions. [2020-12-22 18:52:20,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-22 18:52:20,510 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 18:52:20,510 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 18:52:20,510 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-22 18:52:20,511 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 18:52:20,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 18:52:20,511 INFO L82 PathProgramCache]: Analyzing trace with hash 1841310268, now seen corresponding path program 1 times [2020-12-22 18:52:20,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 18:52:20,512 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314534803] [2020-12-22 18:52:20,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 18:52:20,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 18:52:20,950 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-12-22 18:52:20,950 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314534803] [2020-12-22 18:52:20,950 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 18:52:20,950 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-12-22 18:52:20,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839266561] [2020-12-22 18:52:20,951 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-12-22 18:52:20,951 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 18:52:20,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-12-22 18:52:20,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2020-12-22 18:52:20,952 INFO L87 Difference]: Start difference. First operand 394 states and 472 transitions. Second operand 16 states. [2020-12-22 18:52:22,343 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-12-22 18:52:22,661 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-12-22 18:52:22,813 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-12-22 18:52:23,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 18:52:23,909 INFO L93 Difference]: Finished difference Result 639 states and 745 transitions. [2020-12-22 18:52:23,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-12-22 18:52:23,910 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 55 [2020-12-22 18:52:23,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 18:52:23,913 INFO L225 Difference]: With dead ends: 639 [2020-12-22 18:52:23,913 INFO L226 Difference]: Without dead ends: 639 [2020-12-22 18:52:23,914 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=384, Invalid=1022, Unknown=0, NotChecked=0, Total=1406 [2020-12-22 18:52:23,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states. [2020-12-22 18:52:23,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 394. [2020-12-22 18:52:23,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-12-22 18:52:23,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 471 transitions. [2020-12-22 18:52:23,922 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 471 transitions. Word has length 55 [2020-12-22 18:52:23,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 18:52:23,923 INFO L481 AbstractCegarLoop]: Abstraction has 394 states and 471 transitions. [2020-12-22 18:52:23,923 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-12-22 18:52:23,923 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 471 transitions. [2020-12-22 18:52:23,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-22 18:52:23,924 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 18:52:23,924 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-12-22 18:52:23,924 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-22 18:52:23,924 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 18:52:23,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 18:52:23,925 INFO L82 PathProgramCache]: Analyzing trace with hash -847929926, now seen corresponding path program 1 times [2020-12-22 18:52:23,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 18:52:23,925 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691827872] [2020-12-22 18:52:23,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 18:52:23,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 18:52:25,006 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-22 18:52:25,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691827872] [2020-12-22 18:52:25,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1561814498] [2020-12-22 18:52:25,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 18:52:25,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 18:52:25,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 89 conjunts are in the unsatisfiable core [2020-12-22 18:52:25,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 18:52:25,294 INFO L382 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 [2020-12-22 18:52:25,295 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 18:52:25,308 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:52:25,309 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-22 18:52:25,309 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2020-12-22 18:52:25,484 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:52:25,485 INFO L382 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 39 [2020-12-22 18:52:25,488 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 18:52:25,493 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 18:52:25,517 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:52:25,519 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-22 18:52:25,519 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:42, output treesize:40 [2020-12-22 18:52:25,619 INFO L382 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 11 treesize of output 7 [2020-12-22 18:52:25,619 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 18:52:25,646 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:52:25,648 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-22 18:52:25,648 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:54, output treesize:51 [2020-12-22 18:52:26,075 INFO L443 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_46|], 2=[|v_#memory_$Pointer$.base_47|]} [2020-12-22 18:52:26,081 INFO L382 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 13 treesize of output 9 [2020-12-22 18:52:26,081 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 18:52:26,114 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:52:26,141 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:52:26,141 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 54 [2020-12-22 18:52:26,143 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 18:52:26,145 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 18:52:26,146 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-22 18:52:26,245 INFO L625 ElimStorePlain]: treesize reduction 18, result has 81.3 percent of original size [2020-12-22 18:52:26,248 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 18:52:26,251 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-22 18:52:26,251 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:77, output treesize:114 [2020-12-22 18:52:26,258 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 18:52:26,401 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 18:52:26,541 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 18:52:26,542 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 18:52:26,544 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 18:52:26,545 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-22 18:52:26,551 INFO L443 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.offset_47|], 6=[|v_#memory_$Pointer$.base_48|]} [2020-12-22 18:52:26,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:52:26,564 INFO L382 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 77 treesize of output 58 [2020-12-22 18:52:26,566 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 18:52:26,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:52:26,577 INFO L382 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 41 treesize of output 28 [2020-12-22 18:52:26,579 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 18:52:26,688 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 43 [2020-12-22 18:52:26,689 INFO L625 ElimStorePlain]: treesize reduction 107, result has 54.1 percent of original size [2020-12-22 18:52:26,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:52:26,697 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-22 18:52:26,711 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:52:26,711 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 81 treesize of output 74 [2020-12-22 18:52:26,714 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 18:52:26,716 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 18:52:26,717 INFO L547 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-22 18:52:26,815 INFO L625 ElimStorePlain]: treesize reduction 30, result has 79.9 percent of original size [2020-12-22 18:52:26,817 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 18:52:26,818 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-22 18:52:26,818 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:249, output treesize:119 [2020-12-22 18:52:26,820 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 18:52:26,975 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 18:52:27,337 WARN L197 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2020-12-22 18:52:27,595 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2020-12-22 18:52:27,601 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 18:52:27,603 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 18:52:27,606 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 18:52:27,613 INFO L443 ElimStorePlain]: Different costs {6=[|v_#memory_$Pointer$.offset_48|], 12=[|v_#memory_$Pointer$.base_49|]} [2020-12-22 18:52:27,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:52:27,630 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 26 [2020-12-22 18:52:27,631 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 18:52:27,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:52:27,643 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 61 [2020-12-22 18:52:27,645 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 18:52:27,771 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-12-22 18:52:27,772 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:52:27,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:52:27,792 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-22 18:52:27,811 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:52:27,812 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 85 [2020-12-22 18:52:27,816 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 18:52:27,816 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 18:52:27,819 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 18:52:27,819 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 18:52:27,820 INFO L547 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-22 18:52:27,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:52:27,831 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 37 [2020-12-22 18:52:27,832 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-22 18:52:28,187 WARN L197 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 51 [2020-12-22 18:52:28,188 INFO L625 ElimStorePlain]: treesize reduction 54, result has 79.1 percent of original size [2020-12-22 18:52:28,191 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2020-12-22 18:52:28,191 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:261, output treesize:217 [2020-12-22 18:52:28,464 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-12-22 18:52:28,487 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 18:52:28,493 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 18:52:28,499 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 15, 1] term [2020-12-22 18:52:28,499 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 18:52:28,524 INFO L443 ElimStorePlain]: Different costs {6=[v_prenex_4, v_prenex_5, |v_#memory_$Pointer$.offset_49|], 12=[|v_#memory_$Pointer$.base_50|]} [2020-12-22 18:52:28,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:52:28,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:52:28,542 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-22 18:52:28,560 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:52:28,560 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 60 [2020-12-22 18:52:28,563 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 18:52:28,839 WARN L197 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2020-12-22 18:52:28,840 INFO L625 ElimStorePlain]: treesize reduction 16, result has 94.1 percent of original size [2020-12-22 18:52:28,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:52:28,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:52:28,857 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 33 [2020-12-22 18:52:28,858 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 18:52:28,981 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-12-22 18:52:28,981 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:52:28,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:52:28,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:52:28,998 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 68 [2020-12-22 18:52:29,000 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-22 18:52:29,103 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-12-22 18:52:29,103 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:52:29,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:52:29,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:52:29,116 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-22 18:52:29,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:52:29,120 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-22 18:52:29,136 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:52:29,137 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 92 [2020-12-22 18:52:29,140 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 18:52:29,141 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 18:52:29,144 INFO L547 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: and 1 xjuncts. [2020-12-22 18:52:29,340 WARN L197 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2020-12-22 18:52:29,341 INFO L625 ElimStorePlain]: treesize reduction 30, result has 89.1 percent of original size [2020-12-22 18:52:29,350 INFO L547 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 4 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2020-12-22 18:52:29,351 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 11 variables, input treesize:261, output treesize:393 [2020-12-22 18:52:29,600 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 18:52:30,240 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 18:52:30,911 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 18:52:30,935 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 18:52:30,961 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 18:52:31,000 INFO L443 ElimStorePlain]: Different costs {30=[|#memory_$Pointer$.base|, |#memory_$Pointer$.offset|, v_prenex_9], 42=[v_prenex_8]} [2020-12-22 18:52:31,007 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-22 18:52:31,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:52:31,011 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-22 18:52:31,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:52:31,013 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-22 18:52:31,051 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:52:31,052 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 14 case distinctions, treesize of input 212 treesize of output 180 [2020-12-22 18:52:31,057 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-22 18:52:31,057 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-22 18:52:31,058 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-22 18:52:31,060 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-22 18:52:31,061 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:31,064 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-12-22 18:52:31,064 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-12-22 18:52:31,066 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:31,070 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-22 18:52:31,071 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-22 18:52:31,072 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-22 18:52:31,074 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-22 18:52:31,074 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-22 18:52:31,076 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-22 18:52:31,319 WARN L197 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 93 [2020-12-22 18:52:31,320 INFO L625 ElimStorePlain]: treesize reduction 67, result has 85.4 percent of original size [2020-12-22 18:52:31,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:52:31,330 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-22 18:52:31,361 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:52:31,362 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 6 case distinctions, treesize of input 69 treesize of output 83 [2020-12-22 18:52:31,366 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 18:52:31,367 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 18:52:31,368 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 18:52:31,371 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-22 18:52:31,372 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 18:52:31,381 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-22 18:52:31,391 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 18:52:31,392 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 18:52:31,393 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 18:52:31,398 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-22 18:52:31,400 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 18:52:31,402 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: and 2 xjuncts. [2020-12-22 18:52:31,563 WARN L197 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 77 [2020-12-22 18:52:31,564 INFO L625 ElimStorePlain]: treesize reduction 18, result has 94.8 percent of original size [2020-12-22 18:52:31,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:52:31,570 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-22 18:52:31,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:52:31,572 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-22 18:52:31,616 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:52:31,617 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 8 case distinctions, treesize of input 274 treesize of output 237 [2020-12-22 18:52:31,625 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 18:52:31,625 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 18:52:31,626 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-22 18:52:31,627 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-22 18:52:31,628 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-22 18:52:31,630 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 18:52:31,633 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-22 18:52:31,634 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 18:52:31,635 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 18:52:31,636 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 18:52:31,639 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-22 18:52:31,639 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-22 18:52:31,640 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 18:52:31,641 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 18:52:31,643 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 18:52:31,645 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-22 18:52:31,646 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 18:52:31,660 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 18:52:31,662 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-22 18:52:31,665 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 13 disjuncts [2020-12-22 18:52:31,666 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 13 disjuncts [2020-12-22 18:52:31,667 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-22 18:52:31,668 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:31,669 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:31,671 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:31,674 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:31,676 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 13 disjuncts [2020-12-22 18:52:31,677 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 13 disjuncts [2020-12-22 18:52:31,681 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:31,684 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 13 disjuncts [2020-12-22 18:52:31,686 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-22 18:52:31,687 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 13 disjuncts [2020-12-22 18:52:31,688 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 13 disjuncts [2020-12-22 18:52:31,691 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 13 disjuncts [2020-12-22 18:52:31,693 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:31,695 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:31,696 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:31,699 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:31,701 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:31,704 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-22 18:52:31,705 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:31,706 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:31,708 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 18:52:31,710 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:31,713 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:31,714 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:31,716 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:31,719 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:31,722 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:31,723 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-22 18:52:31,724 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:31,724 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:31,727 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:31,729 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:31,732 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:31,732 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:31,734 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:31,736 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 18:52:31,739 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-12-22 18:52:31,740 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:31,740 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:31,743 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 18:52:31,745 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:31,747 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 18:52:31,748 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-22 18:52:31,750 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 18:52:31,752 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 18:52:31,754 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-22 18:52:31,755 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:31,756 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:31,759 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:31,762 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:31,764 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:31,765 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:31,767 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:31,770 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 18:52:31,773 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 15 disjuncts [2020-12-22 18:52:31,774 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-22 18:52:31,775 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 18:52:31,776 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-22 18:52:31,777 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-22 18:52:31,778 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-22 18:52:31,779 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 18:52:31,781 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-22 18:52:31,782 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-22 18:52:31,783 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 18:52:31,785 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-22 18:52:31,786 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 18:52:31,789 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 18:52:31,790 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-22 18:52:31,791 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-22 18:52:31,792 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 18:52:31,794 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-22 18:52:31,796 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-22 18:52:31,797 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 18:52:31,798 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 18:52:31,800 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 18:52:31,802 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:31,803 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-22 18:52:31,804 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:31,805 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:31,808 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:31,810 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:31,812 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:31,813 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:31,815 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:31,817 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 18:52:31,819 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-12-22 18:52:31,820 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:31,824 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:31,827 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 18:52:31,829 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:31,832 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 18:52:31,832 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-22 18:52:31,835 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 18:52:31,836 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 18:52:31,839 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-22 18:52:31,840 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:31,841 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:31,843 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:31,846 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:31,851 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:31,852 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:31,854 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:31,857 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 18:52:31,859 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 15 disjuncts [2020-12-22 18:52:31,861 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-22 18:52:31,862 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-22 18:52:31,862 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-22 18:52:31,864 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 18:52:31,867 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-22 18:52:31,868 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:31,869 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:31,872 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:31,885 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:31,893 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:31,894 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:31,899 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:31,903 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 18:52:31,905 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 15 disjuncts [2020-12-22 18:52:31,907 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-22 18:52:31,908 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-22 18:52:31,910 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 18:52:31,912 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:31,913 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:31,917 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:31,920 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:31,922 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 15 disjuncts [2020-12-22 18:52:31,924 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-22 18:52:31,926 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:31,927 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 15 disjuncts [2020-12-22 18:52:31,935 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 18:52:31,938 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:31,940 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 15 disjuncts [2020-12-22 18:52:31,949 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:31,950 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:31,952 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:31,954 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 18:52:31,958 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-22 18:52:31,958 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 18:52:31,959 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 18:52:31,961 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 18:52:31,965 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-22 18:52:31,965 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:31,966 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:31,969 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:31,972 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:31,974 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:31,975 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:31,977 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:31,978 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 18:52:31,981 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 15 disjuncts [2020-12-22 18:52:31,982 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:31,983 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:31,985 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 18:52:31,987 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:31,990 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 18:52:31,991 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 18:52:31,993 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 18:52:31,994 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:31,995 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:31,998 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,000 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,001 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 15 disjuncts [2020-12-22 18:52:32,003 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 18:52:32,005 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,007 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 15 disjuncts [2020-12-22 18:52:32,021 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 18:52:32,023 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,025 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 15 disjuncts [2020-12-22 18:52:32,032 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-22 18:52:32,033 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 18:52:32,034 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 18:52:32,041 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 18:52:32,045 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-12-22 18:52:32,046 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,046 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,049 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 18:52:32,051 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,054 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 18:52:32,054 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-22 18:52:32,057 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 18:52:32,058 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 18:52:32,060 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2020-12-22 18:52:32,062 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 18:52:32,063 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 18:52:32,065 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 18:52:32,066 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,067 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,070 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 18:52:32,072 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,073 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 14 disjuncts [2020-12-22 18:52:32,076 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 18:52:32,078 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,079 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 14 disjuncts [2020-12-22 18:52:32,086 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 18:52:32,088 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,091 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 14 disjuncts [2020-12-22 18:52:32,099 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 18:52:32,100 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-22 18:52:32,102 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 18:52:32,104 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 18:52:32,107 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-22 18:52:32,107 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-22 18:52:32,108 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 18:52:32,109 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-22 18:52:32,111 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 18:52:32,112 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-22 18:52:32,113 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 18:52:32,114 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 18:52:32,116 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 18:52:32,118 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 13 disjuncts [2020-12-22 18:52:32,119 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-22 18:52:32,120 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,121 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,123 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,125 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,128 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 13 disjuncts [2020-12-22 18:52:32,129 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 13 disjuncts [2020-12-22 18:52:32,131 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,134 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 13 disjuncts [2020-12-22 18:52:32,136 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-22 18:52:32,137 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 13 disjuncts [2020-12-22 18:52:32,138 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 13 disjuncts [2020-12-22 18:52:32,141 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 13 disjuncts [2020-12-22 18:52:32,143 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,145 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,146 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,148 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,149 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,152 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-22 18:52:32,153 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,153 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,155 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 18:52:32,158 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,160 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,161 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,163 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,166 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,168 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 15 disjuncts [2020-12-22 18:52:32,170 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-22 18:52:32,171 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 18:52:32,171 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-22 18:52:32,173 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 18:52:32,175 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-22 18:52:32,175 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 13 disjuncts [2020-12-22 18:52:32,176 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 13 disjuncts [2020-12-22 18:52:32,179 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 13 disjuncts [2020-12-22 18:52:32,181 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,183 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,184 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,186 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,188 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,190 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 15 disjuncts [2020-12-22 18:52:32,191 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 18:52:32,192 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-22 18:52:32,194 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 18:52:32,196 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 13 disjuncts [2020-12-22 18:52:32,196 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 13 disjuncts [2020-12-22 18:52:32,199 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 13 disjuncts [2020-12-22 18:52:32,201 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,203 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 15 disjuncts [2020-12-22 18:52:32,205 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 18:52:32,206 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 13 disjuncts [2020-12-22 18:52:32,208 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 15 disjuncts [2020-12-22 18:52:32,213 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-22 18:52:32,215 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 13 disjuncts [2020-12-22 18:52:32,217 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 15 disjuncts [2020-12-22 18:52:32,225 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,226 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,228 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,230 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,233 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-22 18:52:32,233 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 18:52:32,235 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 18:52:32,236 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 18:52:32,238 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-22 18:52:32,239 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,240 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,243 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,244 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,247 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 13 disjuncts [2020-12-22 18:52:32,248 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 13 disjuncts [2020-12-22 18:52:32,251 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,253 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 13 disjuncts [2020-12-22 18:52:32,255 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 15 disjuncts [2020-12-22 18:52:32,257 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 18:52:32,258 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 18:52:32,261 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 18:52:32,263 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 13 disjuncts [2020-12-22 18:52:32,263 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 13 disjuncts [2020-12-22 18:52:32,266 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,269 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 13 disjuncts [2020-12-22 18:52:32,271 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 15 disjuncts [2020-12-22 18:52:32,273 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 18:52:32,275 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 13 disjuncts [2020-12-22 18:52:32,277 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 15 disjuncts [2020-12-22 18:52:32,286 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 18:52:32,288 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 13 disjuncts [2020-12-22 18:52:32,290 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 15 disjuncts [2020-12-22 18:52:32,298 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,299 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,301 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,303 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,306 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-22 18:52:32,307 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 18:52:32,308 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-22 18:52:32,310 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 18:52:32,311 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-22 18:52:32,312 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,313 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,315 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 18:52:32,317 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,319 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,320 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,322 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,324 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,327 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2020-12-22 18:52:32,336 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 18:52:32,337 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-22 18:52:32,339 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 18:52:32,341 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,342 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,344 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,346 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,348 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 14 disjuncts [2020-12-22 18:52:32,350 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-22 18:52:32,352 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,354 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 14 disjuncts [2020-12-22 18:52:32,362 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 18:52:32,363 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,365 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 14 disjuncts [2020-12-22 18:52:32,372 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,372 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,374 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,376 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 18:52:32,381 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-22 18:52:32,382 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-22 18:52:32,383 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 18:52:32,384 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 18:52:32,385 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 18:52:32,388 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 18:52:32,388 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 18:52:32,389 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-22 18:52:32,390 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 18:52:32,392 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 18:52:32,393 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 18:52:32,394 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 18:52:32,396 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,397 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,398 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,399 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 18:52:32,401 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,404 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,405 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,407 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,409 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,411 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,413 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,416 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,416 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,417 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,420 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,422 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,423 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 18:52:32,425 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,428 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,429 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,429 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,432 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 18:52:32,434 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,435 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 18:52:32,437 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,440 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 18:52:32,440 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 18:52:32,443 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-22 18:52:32,445 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 14 disjuncts [2020-12-22 18:52:32,446 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 18:52:32,447 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-22 18:52:32,449 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 18:52:32,452 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-22 18:52:32,453 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 18:52:32,453 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 18:52:32,455 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 18:52:32,457 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,458 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,459 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,461 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,465 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,466 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 18:52:32,468 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,470 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 14 disjuncts [2020-12-22 18:52:32,472 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,473 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,475 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 18:52:32,479 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 18:52:32,480 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 18:52:32,481 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 18:52:32,483 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,484 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,487 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,489 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 14 disjuncts [2020-12-22 18:52:32,490 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 18:52:32,493 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 18:52:32,494 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,496 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 14 disjuncts [2020-12-22 18:52:32,505 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 18:52:32,507 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,508 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 14 disjuncts [2020-12-22 18:52:32,516 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 18:52:32,517 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 18:52:32,518 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 18:52:32,520 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,521 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 18:52:32,524 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,526 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 13 disjuncts [2020-12-22 18:52:32,527 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 18:52:32,530 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 18:52:32,532 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 18:52:32,533 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 13 disjuncts [2020-12-22 18:52:32,541 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 18:52:32,543 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,545 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 13 disjuncts [2020-12-22 18:52:32,552 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 18:52:32,555 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 18:52:32,555 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 18:52:32,557 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 18:52:32,559 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 18:52:32,559 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-22 18:52:32,561 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 18:52:32,563 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,563 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,564 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 18:52:32,567 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,569 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,570 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,572 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,574 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,576 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,578 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,580 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 14 disjuncts [2020-12-22 18:52:32,582 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 18:52:32,582 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 18:52:32,584 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 18:52:32,586 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,587 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,589 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,591 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 14 disjuncts [2020-12-22 18:52:32,593 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 18:52:32,595 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,597 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 14 disjuncts [2020-12-22 18:52:32,604 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 18:52:32,607 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 18:52:32,608 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,610 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 14 disjuncts [2020-12-22 18:52:32,617 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 18:52:32,618 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-22 18:52:32,620 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 18:52:32,621 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,622 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,624 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,626 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 14 disjuncts [2020-12-22 18:52:32,628 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 18:52:32,630 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,640 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 14 disjuncts [2020-12-22 18:52:32,648 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-22 18:52:32,651 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-22 18:52:32,653 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:52:32,655 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 14 disjuncts [2020-12-22 18:52:32,662 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,663 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 18:52:32,665 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:52:32,668 INFO L547 ElimStorePlain]: Start of recursive call 4: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-22 18:52:32,849 WARN L197 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 69 [2020-12-22 18:52:32,850 INFO L625 ElimStorePlain]: treesize reduction 76, result has 70.5 percent of original size [2020-12-22 18:52:32,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:52:32,862 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-22 18:52:32,864 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-22 18:52:32,865 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-22 18:52:32,976 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2020-12-22 18:52:32,977 INFO L348 Elim1Store]: treesize reduction 24, result has 71.4 percent of original size [2020-12-22 18:52:32,978 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 21 case distinctions, treesize of input 125 treesize of output 110 [2020-12-22 18:52:32,984 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 18:52:32,985 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 18:52:32,986 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 18:52:32,987 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 18:52:32,989 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 18:52:32,990 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 18:52:32,992 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 18:52:32,993 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 18:52:32,993 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 18:52:32,996 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 18:52:32,997 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 18:52:32,999 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-22 18:52:33,001 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-22 18:52:33,002 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 18:52:33,004 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 18:52:33,009 INFO L547 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-22 18:52:33,078 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:52:33,087 INFO L547 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 4 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2020-12-22 18:52:33,087 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 11 variables, input treesize:533, output treesize:37 [2020-12-22 18:52:33,505 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 18:52:33,506 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 18:52:33,813 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-22 18:52:33,814 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 18:52:33,814 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 23] total 44 [2020-12-22 18:52:33,814 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902099739] [2020-12-22 18:52:33,815 INFO L461 AbstractCegarLoop]: Interpolant automaton has 45 states [2020-12-22 18:52:33,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 18:52:33,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2020-12-22 18:52:33,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=1868, Unknown=0, NotChecked=0, Total=1980 [2020-12-22 18:52:33,817 INFO L87 Difference]: Start difference. First operand 394 states and 471 transitions. Second operand 45 states. [2020-12-22 18:52:34,906 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 39 [2020-12-22 18:52:35,145 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 47 [2020-12-22 18:52:35,376 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 43 [2020-12-22 18:52:35,729 WARN L197 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 49 [2020-12-22 18:52:36,191 WARN L197 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 61 [2020-12-22 18:52:36,643 WARN L197 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 74 [2020-12-22 18:52:37,290 WARN L197 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 102 [2020-12-22 18:52:37,749 WARN L197 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 89 [2020-12-22 18:52:38,201 WARN L197 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 90 [2020-12-22 18:52:38,886 WARN L197 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 125 [2020-12-22 18:52:40,156 WARN L197 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 240 DAG size of output: 163 [2020-12-22 18:52:41,388 WARN L197 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 157 [2020-12-22 18:52:48,842 WARN L197 SmtUtils]: Spent 7.12 s on a formula simplification. DAG size of input: 262 DAG size of output: 219 [2020-12-22 18:52:49,310 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 97 [2020-12-22 18:52:49,656 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2020-12-22 18:52:49,972 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2020-12-22 18:53:00,431 WARN L197 SmtUtils]: Spent 9.84 s on a formula simplification. DAG size of input: 273 DAG size of output: 230 [2020-12-22 18:53:10,721 WARN L197 SmtUtils]: Spent 9.97 s on a formula simplification. DAG size of input: 310 DAG size of output: 267 [2020-12-22 18:53:25,609 WARN L197 SmtUtils]: Spent 13.85 s on a formula simplification. DAG size of input: 331 DAG size of output: 288 [2020-12-22 18:53:46,554 WARN L197 SmtUtils]: Spent 20.53 s on a formula simplification. DAG size of input: 342 DAG size of output: 299 [2020-12-22 18:54:10,823 WARN L197 SmtUtils]: Spent 23.63 s on a formula simplification. DAG size of input: 365 DAG size of output: 307 [2020-12-22 18:54:23,997 WARN L197 SmtUtils]: Spent 11.62 s on a formula simplification. DAG size of input: 331 DAG size of output: 288 [2020-12-22 18:54:39,047 WARN L197 SmtUtils]: Spent 13.70 s on a formula simplification. DAG size of input: 354 DAG size of output: 296 [2020-12-22 18:54:52,519 WARN L197 SmtUtils]: Spent 12.96 s on a formula simplification. DAG size of input: 341 DAG size of output: 291 [2020-12-22 18:55:03,905 WARN L197 SmtUtils]: Spent 10.72 s on a formula simplification. DAG size of input: 320 DAG size of output: 277 [2020-12-22 18:55:12,758 WARN L197 SmtUtils]: Spent 8.50 s on a formula simplification. DAG size of input: 333 DAG size of output: 275 [2020-12-22 18:55:22,225 WARN L197 SmtUtils]: Spent 7.89 s on a formula simplification. DAG size of input: 285 DAG size of output: 227 [2020-12-22 18:55:30,753 WARN L197 SmtUtils]: Spent 7.84 s on a formula simplification. DAG size of input: 272 DAG size of output: 222 [2020-12-22 18:55:33,266 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 30 [2020-12-22 18:55:39,891 WARN L197 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 38 [2020-12-22 18:55:40,236 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 33 [2020-12-22 18:55:40,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 18:55:40,683 INFO L93 Difference]: Finished difference Result 600 states and 702 transitions. [2020-12-22 18:55:40,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-12-22 18:55:40,685 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 58 [2020-12-22 18:55:40,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 18:55:40,691 INFO L225 Difference]: With dead ends: 600 [2020-12-22 18:55:40,691 INFO L226 Difference]: Without dead ends: 600 [2020-12-22 18:55:40,694 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 36 SyntacticMatches, 2 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 990 ImplicationChecksByTransitivity, 174.0s TimeCoverageRelationStatistics Valid=1197, Invalid=5445, Unknown=0, NotChecked=0, Total=6642 [2020-12-22 18:55:40,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2020-12-22 18:55:40,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 397. [2020-12-22 18:55:40,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2020-12-22 18:55:40,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 476 transitions. [2020-12-22 18:55:40,703 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 476 transitions. Word has length 58 [2020-12-22 18:55:40,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 18:55:40,703 INFO L481 AbstractCegarLoop]: Abstraction has 397 states and 476 transitions. [2020-12-22 18:55:40,703 INFO L482 AbstractCegarLoop]: Interpolant automaton has 45 states. [2020-12-22 18:55:40,703 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 476 transitions. [2020-12-22 18:55:40,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-22 18:55:40,706 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 18:55:40,707 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-12-22 18:55:40,920 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2020-12-22 18:55:40,921 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-22 18:55:40,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 18:55:40,922 INFO L82 PathProgramCache]: Analyzing trace with hash -847929925, now seen corresponding path program 1 times [2020-12-22 18:55:40,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 18:55:40,923 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8621379] [2020-12-22 18:55:40,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 18:55:40,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 18:55:41,544 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2020-12-22 18:55:41,705 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2020-12-22 18:55:41,885 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2020-12-22 18:55:42,075 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2020-12-22 18:55:42,295 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 36 [2020-12-22 18:55:42,493 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2020-12-22 18:55:42,680 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 41 [2020-12-22 18:55:43,609 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-22 18:55:43,609 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8621379] [2020-12-22 18:55:43,609 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1453482346] [2020-12-22 18:55:43,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 18:55:43,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 18:55:43,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 109 conjunts are in the unsatisfiable core [2020-12-22 18:55:43,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 18:55:43,751 INFO L382 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 [2020-12-22 18:55:43,752 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 18:55:43,762 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:55:43,764 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-22 18:55:43,764 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2020-12-22 18:55:43,949 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:55:43,949 INFO L382 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 39 [2020-12-22 18:55:43,951 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 18:55:43,954 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 18:55:43,982 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:55:43,983 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-22 18:55:43,983 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:27 [2020-12-22 18:55:44,169 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:55:44,170 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 50 [2020-12-22 18:55:44,172 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 18:55:44,264 INFO L625 ElimStorePlain]: treesize reduction 28, result has 53.3 percent of original size [2020-12-22 18:55:44,267 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-22 18:55:44,268 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:33, output treesize:32 [2020-12-22 18:55:44,403 INFO L443 ElimStorePlain]: Different costs {0=[|v_#length_80|], 3=[|v_#valid_97|]} [2020-12-22 18:55:44,412 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2020-12-22 18:55:44,414 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 18:55:44,472 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:55:44,534 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:55:44,535 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 50 [2020-12-22 18:55:44,538 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 18:55:44,660 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 31 [2020-12-22 18:55:44,661 INFO L625 ElimStorePlain]: treesize reduction 28, result has 61.1 percent of original size [2020-12-22 18:55:44,662 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-22 18:55:44,663 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:46, output treesize:44 [2020-12-22 18:55:45,140 INFO L443 ElimStorePlain]: Different costs {1=[|v_#length_81|], 6=[|v_#valid_98|]} [2020-12-22 18:55:45,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:55:45,150 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 14 [2020-12-22 18:55:45,153 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 18:55:45,221 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:55:45,300 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:55:45,300 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 21 treesize of output 53 [2020-12-22 18:55:45,302 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 18:55:45,304 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 18:55:45,305 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 18:55:45,309 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 18:55:45,370 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:55:45,372 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-22 18:55:45,372 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:61, output treesize:52 [2020-12-22 18:55:45,577 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2020-12-22 18:55:45,578 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 18:55:45,668 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:55:45,676 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 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 [2020-12-22 18:55:45,678 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 18:55:45,765 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:55:45,767 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-22 18:55:45,767 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:77, output treesize:75 [2020-12-22 18:55:46,595 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 23 [2020-12-22 18:55:46,598 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 18:55:46,695 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:55:46,705 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 30 [2020-12-22 18:55:46,708 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 18:55:46,817 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2020-12-22 18:55:46,818 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:55:46,820 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-22 18:55:46,821 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:101, output treesize:171 [2020-12-22 18:55:47,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:55:47,091 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-22 18:55:47,119 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:55:47,120 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 148 treesize of output 107 [2020-12-22 18:55:47,123 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 18:55:47,125 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: and 1 xjuncts. [2020-12-22 18:55:47,332 WARN L197 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2020-12-22 18:55:47,333 INFO L625 ElimStorePlain]: treesize reduction 10, result has 94.8 percent of original size [2020-12-22 18:55:47,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:55:47,406 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:55:47,406 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 135 treesize of output 156 [2020-12-22 18:55:47,410 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 18:55:47,411 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-22 18:55:47,415 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 18:55:47,637 WARN L197 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 48 [2020-12-22 18:55:47,638 INFO L625 ElimStorePlain]: treesize reduction 109, result has 62.0 percent of original size [2020-12-22 18:55:47,639 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-22 18:55:47,640 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:196, output treesize:178 [2020-12-22 18:55:48,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:55:48,487 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:55:48,487 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 142 treesize of output 177 [2020-12-22 18:55:48,491 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-22 18:55:48,491 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 18:55:48,492 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-22 18:55:48,498 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 18:55:48,784 WARN L197 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 50 [2020-12-22 18:55:48,785 INFO L625 ElimStorePlain]: treesize reduction 213, result has 45.2 percent of original size [2020-12-22 18:55:48,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:55:48,798 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-22 18:55:48,850 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:55:48,851 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 132 treesize of output 107 [2020-12-22 18:55:48,854 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 18:55:48,855 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 18:55:48,858 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: and 1 xjuncts. [2020-12-22 18:55:49,027 WARN L197 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-12-22 18:55:49,028 INFO L625 ElimStorePlain]: treesize reduction 10, result has 94.3 percent of original size [2020-12-22 18:55:49,029 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-22 18:55:49,030 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:200, output treesize:165 [2020-12-22 18:55:49,599 WARN L197 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2020-12-22 18:55:50,244 WARN L197 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2020-12-22 18:55:50,259 INFO L443 ElimStorePlain]: Different costs {12=[|v_#memory_$Pointer$.offset_54|], 20=[|v_#memory_$Pointer$.base_55|]} [2020-12-22 18:55:50,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:55:50,354 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:55:50,354 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 142 treesize of output 184 [2020-12-22 18:55:50,358 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 18:55:50,359 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-22 18:55:50,359 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-22 18:55:50,364 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 18:55:50,596 WARN L197 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 52 [2020-12-22 18:55:50,597 INFO L625 ElimStorePlain]: treesize reduction 199, result has 48.4 percent of original size [2020-12-22 18:55:50,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:55:50,609 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-22 18:55:50,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:55:50,613 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-22 18:55:50,663 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:55:50,664 INFO L382 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 5 new quantified variables, introduced 4 case distinctions, treesize of input 142 treesize of output 128 [2020-12-22 18:55:50,667 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-22 18:55:50,668 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 18:55:50,668 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 18:55:50,671 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: and 1 xjuncts. [2020-12-22 18:55:50,876 WARN L197 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2020-12-22 18:55:50,878 INFO L625 ElimStorePlain]: treesize reduction 64, result has 74.4 percent of original size [2020-12-22 18:55:50,880 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-22 18:55:50,880 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:191, output treesize:320 [2020-12-22 18:55:52,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:55:52,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 18:55:52,384 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-22 18:55:52,455 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:55:52,456 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 373 treesize of output 194 [2020-12-22 18:55:52,461 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-22 18:55:52,462 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 18:55:52,462 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-22 18:55:52,464 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-22 18:55:52,465 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:55:52,466 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-22 18:55:52,467 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-22 18:55:52,467 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-22 18:55:52,469 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-12-22 18:55:52,470 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-22 18:55:52,471 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-12-22 18:55:52,472 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-22 18:55:52,475 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 18:55:52,476 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-22 18:55:52,477 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-22 18:55:52,478 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-22 18:55:52,487 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-22 18:55:52,489 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-22 18:55:52,489 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-22 18:55:52,491 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2020-12-22 18:55:52,492 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-22 18:55:52,493 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 18:55:52,493 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-22 18:55:52,495 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-22 18:55:52,496 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-22 18:55:52,497 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 18:55:52,498 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-22 18:55:52,499 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-22 18:55:52,500 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 18:55:52,501 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-22 18:55:52,501 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-22 18:55:52,503 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-22 18:55:52,504 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-22 18:55:52,506 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 18:55:52,507 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-22 18:55:52,508 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-22 18:55:52,510 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-22 18:55:52,511 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-22 18:55:52,512 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 18:55:52,513 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 18:55:52,515 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 18:55:52,515 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 18:55:52,517 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-22 18:55:52,519 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 13 disjuncts [2020-12-22 18:55:52,521 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 18:55:52,523 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 18:55:52,524 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-22 18:55:52,525 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:55:52,531 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 18:55:52,533 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 18:55:52,534 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 13 disjuncts [2020-12-22 18:55:52,549 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-22 18:55:52,550 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 18:55:52,551 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 18:55:52,552 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-22 18:55:52,553 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 18:55:52,555 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 13 disjuncts [2020-12-22 18:55:52,556 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 18:55:52,558 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 18:55:52,559 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-22 18:55:52,560 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-22 18:55:52,566 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 18:55:52,567 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-22 18:55:52,568 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 13 disjuncts [2020-12-22 18:55:52,575 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-22 18:55:52,576 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-22 18:55:52,578 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-22 18:55:52,579 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-22 18:55:52,580 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-22 18:55:52,581 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-22 18:55:52,583 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-22 18:55:52,584 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-22 18:55:52,585 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-22 18:55:52,587 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-22 18:55:52,591 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-22 18:55:52,593 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-22 18:55:52,594 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-22 18:55:52,598 INFO L547 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-22 18:55:52,770 WARN L197 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2020-12-22 18:55:52,771 INFO L625 ElimStorePlain]: treesize reduction 44, result has 75.1 percent of original size [2020-12-22 18:55:52,789 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:55:52,789 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 103 treesize of output 44 [2020-12-22 18:55:52,795 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 18:55:52,834 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 18:55:52,836 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-22 18:55:52,836 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:387, output treesize:25 [2020-12-22 18:55:53,354 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-22 18:55:53,355 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 18:55:53,355 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 25] total 47 [2020-12-22 18:55:53,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309405564] [2020-12-22 18:55:53,356 INFO L461 AbstractCegarLoop]: Interpolant automaton has 48 states [2020-12-22 18:55:53,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 18:55:53,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2020-12-22 18:55:53,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=2125, Unknown=0, NotChecked=0, Total=2256 [2020-12-22 18:55:53,357 INFO L87 Difference]: Start difference. First operand 397 states and 476 transitions. Second operand 48 states. [2020-12-22 18:55:54,054 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 34 [2020-12-22 18:55:54,482 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 44 [2020-12-22 18:55:54,811 WARN L197 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 50 [2020-12-22 18:55:55,276 WARN L197 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 63 [2020-12-22 18:55:55,809 WARN L197 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 76 [2020-12-22 18:55:56,273 WARN L197 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 67 [2020-12-22 18:55:56,966 WARN L197 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 78 [2020-12-22 18:55:57,895 WARN L197 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 96 [2020-12-22 18:55:58,906 WARN L197 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 121 [2020-12-22 18:56:00,456 WARN L197 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 217 DAG size of output: 151 [2020-12-22 18:56:01,554 WARN L197 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 129 [2020-12-22 18:56:02,697 WARN L197 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 118 [2020-12-22 18:56:04,238 WARN L197 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 195 DAG size of output: 151 [2020-12-22 18:56:06,371 WARN L197 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 228 DAG size of output: 184 [2020-12-22 18:56:08,760 WARN L197 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 232 DAG size of output: 188