/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_length_check-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-07 04:55:44,301 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-07 04:55:44,305 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-07 04:55:44,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-07 04:55:44,362 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-07 04:55:44,365 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-07 04:55:44,369 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-07 04:55:44,374 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-07 04:55:44,378 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-07 04:55:44,384 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-07 04:55:44,388 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-07 04:55:44,390 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-07 04:55:44,390 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-07 04:55:44,394 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-07 04:55:44,396 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-07 04:55:44,398 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-07 04:55:44,399 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-07 04:55:44,402 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-07 04:55:44,409 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-07 04:55:44,417 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-07 04:55:44,419 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-07 04:55:44,421 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-07 04:55:44,423 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-07 04:55:44,425 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-07 04:55:44,448 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-07 04:55:44,453 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-07 04:55:44,454 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-07 04:55:44,456 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-07 04:55:44,457 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-07 04:55:44,459 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-07 04:55:44,459 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-07 04:55:44,460 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-07 04:55:44,464 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-07 04:55:44,464 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-07 04:55:44,465 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-07 04:55:44,466 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-07 04:55:44,467 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-64bit-Automizer_Default.epf [2021-01-07 04:55:44,510 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-07 04:55:44,511 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-07 04:55:44,515 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-07 04:55:44,516 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-07 04:55:44,516 INFO L138 SettingsManager]: * Use SBE=true [2021-01-07 04:55:44,516 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-07 04:55:44,516 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-01-07 04:55:44,517 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-07 04:55:44,517 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-07 04:55:44,517 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-01-07 04:55:44,518 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-01-07 04:55:44,518 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-07 04:55:44,519 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-01-07 04:55:44,519 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-07 04:55:44,519 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-07 04:55:44,519 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-07 04:55:44,519 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-07 04:55:44,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-07 04:55:44,520 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-07 04:55:44,520 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-07 04:55:44,520 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-07 04:55:44,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-07 04:55:44,521 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-07 04:55:44,521 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-bitabs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-07 04:55:45,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-07 04:55:45,058 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-07 04:55:45,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-07 04:55:45,064 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-07 04:55:45,065 INFO L275 PluginConnector]: CDTParser initialized [2021-01-07 04:55:45,066 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/sll_length_check-1.i [2021-01-07 04:55:45,157 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/e6bab2150/c1f6300366864952bcf01ff73ad4d676/FLAG065628f23 [2021-01-07 04:55:45,945 INFO L306 CDTParser]: Found 1 translation units. [2021-01-07 04:55:45,945 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/sll_length_check-1.i [2021-01-07 04:55:45,967 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/e6bab2150/c1f6300366864952bcf01ff73ad4d676/FLAG065628f23 [2021-01-07 04:55:46,184 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/e6bab2150/c1f6300366864952bcf01ff73ad4d676 [2021-01-07 04:55:46,189 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-07 04:55:46,193 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-07 04:55:46,196 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-07 04:55:46,196 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-07 04:55:46,200 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-07 04:55:46,201 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.01 04:55:46" (1/1) ... [2021-01-07 04:55:46,203 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@353b3d86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:55:46, skipping insertion in model container [2021-01-07 04:55:46,204 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.01 04:55:46" (1/1) ... [2021-01-07 04:55:46,212 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-07 04:55:46,280 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~new_head~0,],base],StructAccessExpression[IdentifierExpression[~new_head~0,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~head~0,] left hand side expression in assignment: lhs: VariableLHS[~head,] left hand side expression in assignment: lhs: VariableLHS[~head,] [2021-01-07 04:55:46,728 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/sll_length_check-1.i[23818,23831] [2021-01-07 04:55:46,732 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-07 04:55:46,748 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~new_head~0,],base],StructAccessExpression[IdentifierExpression[~new_head~0,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~head~0,] left hand side expression in assignment: lhs: VariableLHS[~head,] left hand side expression in assignment: lhs: VariableLHS[~head,] [2021-01-07 04:55:46,832 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/sll_length_check-1.i[23818,23831] [2021-01-07 04:55:46,833 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-07 04:55:46,928 INFO L208 MainTranslator]: Completed translation [2021-01-07 04:55:46,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:55:46 WrapperNode [2021-01-07 04:55:46,929 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-07 04:55:46,931 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-07 04:55:46,931 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-07 04:55:46,932 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-07 04:55:46,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:55:46" (1/1) ... [2021-01-07 04:55:46,977 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:55:46" (1/1) ... [2021-01-07 04:55:47,023 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-07 04:55:47,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-07 04:55:47,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-07 04:55:47,024 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-07 04:55:47,036 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:55:46" (1/1) ... [2021-01-07 04:55:47,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:55:46" (1/1) ... [2021-01-07 04:55:47,051 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:55:46" (1/1) ... [2021-01-07 04:55:47,053 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:55:46" (1/1) ... [2021-01-07 04:55:47,102 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:55:46" (1/1) ... [2021-01-07 04:55:47,119 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:55:46" (1/1) ... [2021-01-07 04:55:47,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:55:46" (1/1) ... [2021-01-07 04:55:47,130 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-07 04:55:47,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-07 04:55:47,140 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-07 04:55:47,140 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-07 04:55:47,157 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:55:46" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/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 [2021-01-07 04:55:47,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-01-07 04:55:47,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-01-07 04:55:47,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-07 04:55:47,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-01-07 04:55:47,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-07 04:55:47,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-07 04:55:47,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-07 04:55:47,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-07 04:55:47,859 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-07 04:55:47,860 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-01-07 04:55:47,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 04:55:47 BoogieIcfgContainer [2021-01-07 04:55:47,863 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-07 04:55:47,866 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-07 04:55:47,867 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-07 04:55:47,870 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-07 04:55:47,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.01 04:55:46" (1/3) ... [2021-01-07 04:55:47,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66cbe7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.01 04:55:47, skipping insertion in model container [2021-01-07 04:55:47,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:55:46" (2/3) ... [2021-01-07 04:55:47,873 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66cbe7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.01 04:55:47, skipping insertion in model container [2021-01-07 04:55:47,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 04:55:47" (3/3) ... [2021-01-07 04:55:47,875 INFO L111 eAbstractionObserver]: Analyzing ICFG sll_length_check-1.i [2021-01-07 04:55:47,883 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-07 04:55:47,888 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations. [2021-01-07 04:55:47,909 INFO L253 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2021-01-07 04:55:47,942 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-07 04:55:47,942 INFO L378 AbstractCegarLoop]: Hoare is false [2021-01-07 04:55:47,943 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-07 04:55:47,943 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-07 04:55:47,944 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-07 04:55:47,944 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-07 04:55:47,944 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-07 04:55:47,944 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-07 04:55:47,967 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states. [2021-01-07 04:55:47,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-01-07 04:55:47,976 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:55:47,976 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:55:47,977 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2021-01-07 04:55:47,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:55:47,984 INFO L82 PathProgramCache]: Analyzing trace with hash 1819225437, now seen corresponding path program 1 times [2021-01-07 04:55:47,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:55:47,993 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708028846] [2021-01-07 04:55:47,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:55:48,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:55:48,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 04:55:48,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708028846] [2021-01-07 04:55:48,148 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:55:48,149 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-07 04:55:48,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412316845] [2021-01-07 04:55:48,155 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-07 04:55:48,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:55:48,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-07 04:55:48,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-07 04:55:48,177 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 2 states. [2021-01-07 04:55:48,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:55:48,194 INFO L93 Difference]: Finished difference Result 41 states and 46 transitions. [2021-01-07 04:55:48,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-07 04:55:48,195 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2021-01-07 04:55:48,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:55:48,206 INFO L225 Difference]: With dead ends: 41 [2021-01-07 04:55:48,206 INFO L226 Difference]: Without dead ends: 38 [2021-01-07 04:55:48,209 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 [2021-01-07 04:55:48,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-01-07 04:55:48,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2021-01-07 04:55:48,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2021-01-07 04:55:48,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 42 transitions. [2021-01-07 04:55:48,252 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 42 transitions. Word has length 7 [2021-01-07 04:55:48,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:55:48,252 INFO L481 AbstractCegarLoop]: Abstraction has 38 states and 42 transitions. [2021-01-07 04:55:48,253 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-07 04:55:48,253 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2021-01-07 04:55:48,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-01-07 04:55:48,253 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:55:48,254 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:55:48,254 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-07 04:55:48,254 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2021-01-07 04:55:48,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:55:48,255 INFO L82 PathProgramCache]: Analyzing trace with hash 1213452566, now seen corresponding path program 1 times [2021-01-07 04:55:48,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:55:48,256 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178280413] [2021-01-07 04:55:48,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:55:48,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:55:48,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 04:55:48,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178280413] [2021-01-07 04:55:48,410 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:55:48,410 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-07 04:55:48,410 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479208649] [2021-01-07 04:55:48,412 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 04:55:48,412 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:55:48,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 04:55:48,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:55:48,414 INFO L87 Difference]: Start difference. First operand 38 states and 42 transitions. Second operand 3 states. [2021-01-07 04:55:48,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:55:48,490 INFO L93 Difference]: Finished difference Result 64 states and 70 transitions. [2021-01-07 04:55:48,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 04:55:48,491 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2021-01-07 04:55:48,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:55:48,493 INFO L225 Difference]: With dead ends: 64 [2021-01-07 04:55:48,493 INFO L226 Difference]: Without dead ends: 64 [2021-01-07 04:55:48,494 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 [2021-01-07 04:55:48,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2021-01-07 04:55:48,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 37. [2021-01-07 04:55:48,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2021-01-07 04:55:48,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 41 transitions. [2021-01-07 04:55:48,501 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 41 transitions. Word has length 9 [2021-01-07 04:55:48,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:55:48,502 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 41 transitions. [2021-01-07 04:55:48,502 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 04:55:48,502 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2021-01-07 04:55:48,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-01-07 04:55:48,503 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:55:48,503 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:55:48,503 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-07 04:55:48,504 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2021-01-07 04:55:48,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:55:48,504 INFO L82 PathProgramCache]: Analyzing trace with hash 1213452567, now seen corresponding path program 1 times [2021-01-07 04:55:48,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:55:48,505 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122064033] [2021-01-07 04:55:48,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:55:48,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:55:48,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 04:55:48,605 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122064033] [2021-01-07 04:55:48,606 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:55:48,606 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-07 04:55:48,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253611624] [2021-01-07 04:55:48,607 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 04:55:48,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:55:48,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 04:55:48,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:55:48,614 INFO L87 Difference]: Start difference. First operand 37 states and 41 transitions. Second operand 3 states. [2021-01-07 04:55:48,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:55:48,676 INFO L93 Difference]: Finished difference Result 63 states and 69 transitions. [2021-01-07 04:55:48,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 04:55:48,677 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2021-01-07 04:55:48,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:55:48,680 INFO L225 Difference]: With dead ends: 63 [2021-01-07 04:55:48,680 INFO L226 Difference]: Without dead ends: 63 [2021-01-07 04:55:48,681 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 [2021-01-07 04:55:48,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2021-01-07 04:55:48,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 36. [2021-01-07 04:55:48,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2021-01-07 04:55:48,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 40 transitions. [2021-01-07 04:55:48,687 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 40 transitions. Word has length 9 [2021-01-07 04:55:48,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:55:48,687 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 40 transitions. [2021-01-07 04:55:48,687 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 04:55:48,688 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2021-01-07 04:55:48,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-01-07 04:55:48,688 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:55:48,688 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:55:48,689 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-07 04:55:48,689 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2021-01-07 04:55:48,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:55:48,690 INFO L82 PathProgramCache]: Analyzing trace with hash -2104757995, now seen corresponding path program 1 times [2021-01-07 04:55:48,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:55:48,690 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274417177] [2021-01-07 04:55:48,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:55:48,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:55:48,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 04:55:48,768 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274417177] [2021-01-07 04:55:48,768 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:55:48,769 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-07 04:55:48,769 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187585113] [2021-01-07 04:55:48,769 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-07 04:55:48,769 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:55:48,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-07 04:55:48,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-07 04:55:48,771 INFO L87 Difference]: Start difference. First operand 36 states and 40 transitions. Second operand 5 states. [2021-01-07 04:55:48,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:55:48,917 INFO L93 Difference]: Finished difference Result 62 states and 67 transitions. [2021-01-07 04:55:48,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-07 04:55:48,918 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2021-01-07 04:55:48,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:55:48,920 INFO L225 Difference]: With dead ends: 62 [2021-01-07 04:55:48,920 INFO L226 Difference]: Without dead ends: 62 [2021-01-07 04:55:48,921 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-07 04:55:48,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2021-01-07 04:55:48,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 40. [2021-01-07 04:55:48,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2021-01-07 04:55:48,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 45 transitions. [2021-01-07 04:55:48,933 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 45 transitions. Word has length 11 [2021-01-07 04:55:48,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:55:48,933 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 45 transitions. [2021-01-07 04:55:48,933 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-07 04:55:48,934 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2021-01-07 04:55:48,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-01-07 04:55:48,935 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:55:48,935 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:55:48,935 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-07 04:55:48,935 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2021-01-07 04:55:48,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:55:48,937 INFO L82 PathProgramCache]: Analyzing trace with hash -619476383, now seen corresponding path program 1 times [2021-01-07 04:55:48,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:55:48,938 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862502588] [2021-01-07 04:55:48,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:55:48,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:55:49,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 04:55:49,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862502588] [2021-01-07 04:55:49,068 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:55:49,068 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-07 04:55:49,068 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639097507] [2021-01-07 04:55:49,069 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-07 04:55:49,069 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:55:49,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-07 04:55:49,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-07 04:55:49,070 INFO L87 Difference]: Start difference. First operand 40 states and 45 transitions. Second operand 4 states. [2021-01-07 04:55:49,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:55:49,121 INFO L93 Difference]: Finished difference Result 78 states and 87 transitions. [2021-01-07 04:55:49,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-07 04:55:49,122 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2021-01-07 04:55:49,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:55:49,123 INFO L225 Difference]: With dead ends: 78 [2021-01-07 04:55:49,124 INFO L226 Difference]: Without dead ends: 78 [2021-01-07 04:55:49,124 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-07 04:55:49,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2021-01-07 04:55:49,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 45. [2021-01-07 04:55:49,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2021-01-07 04:55:49,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 52 transitions. [2021-01-07 04:55:49,131 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 52 transitions. Word has length 14 [2021-01-07 04:55:49,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:55:49,132 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 52 transitions. [2021-01-07 04:55:49,132 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-07 04:55:49,132 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 52 transitions. [2021-01-07 04:55:49,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-01-07 04:55:49,133 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:55:49,133 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:55:49,133 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-07 04:55:49,134 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2021-01-07 04:55:49,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:55:49,134 INFO L82 PathProgramCache]: Analyzing trace with hash 347063660, now seen corresponding path program 1 times [2021-01-07 04:55:49,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:55:49,135 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436129238] [2021-01-07 04:55:49,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:55:49,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:55:49,221 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 04:55:49,221 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436129238] [2021-01-07 04:55:49,222 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:55:49,222 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-07 04:55:49,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765461344] [2021-01-07 04:55:49,223 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-07 04:55:49,223 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:55:49,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-07 04:55:49,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-07 04:55:49,224 INFO L87 Difference]: Start difference. First operand 45 states and 52 transitions. Second operand 6 states. [2021-01-07 04:55:49,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:55:49,523 INFO L93 Difference]: Finished difference Result 89 states and 97 transitions. [2021-01-07 04:55:49,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-07 04:55:49,524 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2021-01-07 04:55:49,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:55:49,527 INFO L225 Difference]: With dead ends: 89 [2021-01-07 04:55:49,528 INFO L226 Difference]: Without dead ends: 89 [2021-01-07 04:55:49,528 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-01-07 04:55:49,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2021-01-07 04:55:49,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 47. [2021-01-07 04:55:49,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2021-01-07 04:55:49,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 56 transitions. [2021-01-07 04:55:49,536 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 56 transitions. Word has length 15 [2021-01-07 04:55:49,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:55:49,537 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 56 transitions. [2021-01-07 04:55:49,537 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-07 04:55:49,537 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 56 transitions. [2021-01-07 04:55:49,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-01-07 04:55:49,538 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:55:49,538 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:55:49,538 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-07 04:55:49,538 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2021-01-07 04:55:49,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:55:49,539 INFO L82 PathProgramCache]: Analyzing trace with hash 347063661, now seen corresponding path program 1 times [2021-01-07 04:55:49,539 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:55:49,540 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734682543] [2021-01-07 04:55:49,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:55:49,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:55:49,628 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 04:55:49,629 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734682543] [2021-01-07 04:55:49,629 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1797960110] [2021-01-07 04:55:49,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/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 [2021-01-07 04:55:49,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:55:49,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 5 conjunts are in the unsatisfiable core [2021-01-07 04:55:49,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:55:49,863 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 04:55:49,864 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-07 04:55:49,864 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-01-07 04:55:49,864 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287704569] [2021-01-07 04:55:49,865 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-07 04:55:49,865 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:55:49,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-07 04:55:49,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-01-07 04:55:49,866 INFO L87 Difference]: Start difference. First operand 47 states and 56 transitions. Second operand 6 states. [2021-01-07 04:55:50,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:55:50,005 INFO L93 Difference]: Finished difference Result 90 states and 102 transitions. [2021-01-07 04:55:50,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-01-07 04:55:50,006 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2021-01-07 04:55:50,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:55:50,008 INFO L225 Difference]: With dead ends: 90 [2021-01-07 04:55:50,008 INFO L226 Difference]: Without dead ends: 90 [2021-01-07 04:55:50,009 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2021-01-07 04:55:50,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2021-01-07 04:55:50,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 43. [2021-01-07 04:55:50,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2021-01-07 04:55:50,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 49 transitions. [2021-01-07 04:55:50,015 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 49 transitions. Word has length 15 [2021-01-07 04:55:50,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:55:50,015 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 49 transitions. [2021-01-07 04:55:50,016 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-07 04:55:50,016 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2021-01-07 04:55:50,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-01-07 04:55:50,016 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:55:50,017 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:55:50,231 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-01-07 04:55:50,232 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2021-01-07 04:55:50,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:55:50,233 INFO L82 PathProgramCache]: Analyzing trace with hash -1919707580, now seen corresponding path program 2 times [2021-01-07 04:55:50,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:55:50,235 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999281819] [2021-01-07 04:55:50,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:55:50,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:55:50,300 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 04:55:50,300 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999281819] [2021-01-07 04:55:50,300 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [689587047] [2021-01-07 04:55:50,301 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/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 [2021-01-07 04:55:50,378 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-01-07 04:55:50,379 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-07 04:55:50,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 6 conjunts are in the unsatisfiable core [2021-01-07 04:55:50,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:55:50,425 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 04:55:50,426 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-07 04:55:50,426 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-01-07 04:55:50,427 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198676085] [2021-01-07 04:55:50,427 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-07 04:55:50,427 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:55:50,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-07 04:55:50,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-01-07 04:55:50,428 INFO L87 Difference]: Start difference. First operand 43 states and 49 transitions. Second operand 7 states. [2021-01-07 04:55:50,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:55:50,544 INFO L93 Difference]: Finished difference Result 92 states and 104 transitions. [2021-01-07 04:55:50,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-01-07 04:55:50,545 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2021-01-07 04:55:50,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:55:50,546 INFO L225 Difference]: With dead ends: 92 [2021-01-07 04:55:50,546 INFO L226 Difference]: Without dead ends: 92 [2021-01-07 04:55:50,549 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2021-01-07 04:55:50,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2021-01-07 04:55:50,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 47. [2021-01-07 04:55:50,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2021-01-07 04:55:50,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 53 transitions. [2021-01-07 04:55:50,566 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 53 transitions. Word has length 19 [2021-01-07 04:55:50,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:55:50,567 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 53 transitions. [2021-01-07 04:55:50,567 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-07 04:55:50,567 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 53 transitions. [2021-01-07 04:55:50,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-01-07 04:55:50,568 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:55:50,568 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:55:50,782 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:55:50,783 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2021-01-07 04:55:50,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:55:50,784 INFO L82 PathProgramCache]: Analyzing trace with hash 1541743515, now seen corresponding path program 3 times [2021-01-07 04:55:50,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:55:50,785 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606281638] [2021-01-07 04:55:50,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:55:50,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:55:50,880 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-01-07 04:55:50,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606281638] [2021-01-07 04:55:50,881 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:55:50,881 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-07 04:55:50,881 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119578064] [2021-01-07 04:55:50,881 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-07 04:55:50,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:55:50,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-07 04:55:50,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-07 04:55:50,886 INFO L87 Difference]: Start difference. First operand 47 states and 53 transitions. Second operand 6 states. [2021-01-07 04:55:51,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:55:51,015 INFO L93 Difference]: Finished difference Result 67 states and 72 transitions. [2021-01-07 04:55:51,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-07 04:55:51,016 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2021-01-07 04:55:51,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:55:51,018 INFO L225 Difference]: With dead ends: 67 [2021-01-07 04:55:51,018 INFO L226 Difference]: Without dead ends: 67 [2021-01-07 04:55:51,019 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-01-07 04:55:51,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2021-01-07 04:55:51,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 47. [2021-01-07 04:55:51,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2021-01-07 04:55:51,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 52 transitions. [2021-01-07 04:55:51,037 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 52 transitions. Word has length 23 [2021-01-07 04:55:51,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:55:51,037 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 52 transitions. [2021-01-07 04:55:51,037 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-07 04:55:51,037 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 52 transitions. [2021-01-07 04:55:51,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-01-07 04:55:51,038 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:55:51,038 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:55:51,039 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-07 04:55:51,044 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2021-01-07 04:55:51,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:55:51,044 INFO L82 PathProgramCache]: Analyzing trace with hash -300839492, now seen corresponding path program 1 times [2021-01-07 04:55:51,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:55:51,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305694930] [2021-01-07 04:55:51,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:55:51,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:55:51,179 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-01-07 04:55:51,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305694930] [2021-01-07 04:55:51,179 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:55:51,179 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-07 04:55:51,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009508427] [2021-01-07 04:55:51,180 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-07 04:55:51,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:55:51,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-07 04:55:51,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-07 04:55:51,181 INFO L87 Difference]: Start difference. First operand 47 states and 52 transitions. Second operand 6 states. [2021-01-07 04:55:51,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:55:51,245 INFO L93 Difference]: Finished difference Result 48 states and 52 transitions. [2021-01-07 04:55:51,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-07 04:55:51,246 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2021-01-07 04:55:51,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:55:51,247 INFO L225 Difference]: With dead ends: 48 [2021-01-07 04:55:51,247 INFO L226 Difference]: Without dead ends: 48 [2021-01-07 04:55:51,247 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-01-07 04:55:51,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2021-01-07 04:55:51,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 47. [2021-01-07 04:55:51,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2021-01-07 04:55:51,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 51 transitions. [2021-01-07 04:55:51,251 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 51 transitions. Word has length 26 [2021-01-07 04:55:51,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:55:51,252 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 51 transitions. [2021-01-07 04:55:51,252 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-07 04:55:51,252 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2021-01-07 04:55:51,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-01-07 04:55:51,253 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:55:51,253 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:55:51,253 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-07 04:55:51,254 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2021-01-07 04:55:51,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:55:51,254 INFO L82 PathProgramCache]: Analyzing trace with hash -299207194, now seen corresponding path program 1 times [2021-01-07 04:55:51,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:55:51,255 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689985220] [2021-01-07 04:55:51,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:55:51,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:55:51,400 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-01-07 04:55:51,400 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689985220] [2021-01-07 04:55:51,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1192353009] [2021-01-07 04:55:51,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/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 [2021-01-07 04:55:51,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:55:51,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 37 conjunts are in the unsatisfiable core [2021-01-07 04:55:51,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:55:51,533 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 [2021-01-07 04:55:51,534 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 04:55:51,537 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 04:55:51,541 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-01-07 04:55:51,542 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2021-01-07 04:55:51,585 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 04:55:51,585 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 [2021-01-07 04:55:51,588 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 04:55:51,605 INFO L625 ElimStorePlain]: treesize reduction 14, result has 50.0 percent of original size [2021-01-07 04:55:51,606 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-01-07 04:55:51,606 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2021-01-07 04:55:51,637 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 11 treesize of output 7 [2021-01-07 04:55:51,638 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 04:55:51,647 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 04:55:51,649 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 04:55:51,649 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:28, output treesize:21 [2021-01-07 04:55:51,775 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2021-01-07 04:55:51,777 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 04:55:51,784 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 04:55:51,788 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-01-07 04:55:51,788 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:28, output treesize:11 [2021-01-07 04:55:51,812 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-01-07 04:55:51,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-07 04:55:51,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 15 [2021-01-07 04:55:51,813 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007030999] [2021-01-07 04:55:51,813 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-01-07 04:55:51,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:55:51,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-01-07 04:55:51,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2021-01-07 04:55:51,814 INFO L87 Difference]: Start difference. First operand 47 states and 51 transitions. Second operand 16 states. [2021-01-07 04:55:52,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:55:52,316 INFO L93 Difference]: Finished difference Result 84 states and 89 transitions. [2021-01-07 04:55:52,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-01-07 04:55:52,316 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 26 [2021-01-07 04:55:52,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:55:52,317 INFO L225 Difference]: With dead ends: 84 [2021-01-07 04:55:52,318 INFO L226 Difference]: Without dead ends: 84 [2021-01-07 04:55:52,318 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=156, Invalid=396, Unknown=0, NotChecked=0, Total=552 [2021-01-07 04:55:52,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2021-01-07 04:55:52,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 50. [2021-01-07 04:55:52,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2021-01-07 04:55:52,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 56 transitions. [2021-01-07 04:55:52,322 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 56 transitions. Word has length 26 [2021-01-07 04:55:52,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:55:52,322 INFO L481 AbstractCegarLoop]: Abstraction has 50 states and 56 transitions. [2021-01-07 04:55:52,322 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2021-01-07 04:55:52,322 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 56 transitions. [2021-01-07 04:55:52,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-01-07 04:55:52,323 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:55:52,324 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:55:52,536 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-01-07 04:55:52,537 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2021-01-07 04:55:52,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:55:52,538 INFO L82 PathProgramCache]: Analyzing trace with hash -299207193, now seen corresponding path program 1 times [2021-01-07 04:55:52,539 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:55:52,539 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688587600] [2021-01-07 04:55:52,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:55:52,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:55:52,758 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-01-07 04:55:52,758 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688587600] [2021-01-07 04:55:52,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1363870696] [2021-01-07 04:55:52,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/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 [2021-01-07 04:55:52,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:55:52,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 48 conjunts are in the unsatisfiable core [2021-01-07 04:55:52,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:55:52,867 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 [2021-01-07 04:55:52,869 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 04:55:52,875 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 04:55:52,876 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-01-07 04:55:52,876 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2021-01-07 04:55:52,928 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 04:55:52,928 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 [2021-01-07 04:55:52,931 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 04:55:52,952 INFO L625 ElimStorePlain]: treesize reduction 14, result has 54.8 percent of original size [2021-01-07 04:55:52,953 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-01-07 04:55:52,953 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:17 [2021-01-07 04:55:52,989 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 11 treesize of output 7 [2021-01-07 04:55:52,990 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 04:55:53,003 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 04:55:53,008 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 11 treesize of output 7 [2021-01-07 04:55:53,009 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-07 04:55:53,021 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 04:55:53,023 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 04:55:53,023 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:39, output treesize:28 [2021-01-07 04:55:53,188 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2021-01-07 04:55:53,189 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 04:55:53,201 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 04:55:53,205 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-01-07 04:55:53,206 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-07 04:55:53,215 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 04:55:53,218 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. [2021-01-07 04:55:53,219 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:42, output treesize:14 [2021-01-07 04:55:53,240 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-01-07 04:55:53,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-07 04:55:53,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11] total 15 [2021-01-07 04:55:53,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334952182] [2021-01-07 04:55:53,241 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-01-07 04:55:53,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:55:53,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-01-07 04:55:53,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2021-01-07 04:55:53,243 INFO L87 Difference]: Start difference. First operand 50 states and 56 transitions. Second operand 16 states. [2021-01-07 04:55:53,712 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2021-01-07 04:55:53,895 WARN L197 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2021-01-07 04:55:54,055 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2021-01-07 04:55:54,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:55:54,118 INFO L93 Difference]: Finished difference Result 70 states and 75 transitions. [2021-01-07 04:55:54,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-01-07 04:55:54,119 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 26 [2021-01-07 04:55:54,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:55:54,120 INFO L225 Difference]: With dead ends: 70 [2021-01-07 04:55:54,120 INFO L226 Difference]: Without dead ends: 70 [2021-01-07 04:55:54,121 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 20 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2021-01-07 04:55:54,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2021-01-07 04:55:54,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 50. [2021-01-07 04:55:54,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2021-01-07 04:55:54,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 55 transitions. [2021-01-07 04:55:54,124 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 55 transitions. Word has length 26 [2021-01-07 04:55:54,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:55:54,124 INFO L481 AbstractCegarLoop]: Abstraction has 50 states and 55 transitions. [2021-01-07 04:55:54,125 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2021-01-07 04:55:54,125 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 55 transitions. [2021-01-07 04:55:54,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-01-07 04:55:54,126 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:55:54,126 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] [2021-01-07 04:55:54,340 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:55:54,341 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2021-01-07 04:55:54,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:55:54,342 INFO L82 PathProgramCache]: Analyzing trace with hash -1625978896, now seen corresponding path program 1 times [2021-01-07 04:55:54,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:55:54,343 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073476436] [2021-01-07 04:55:54,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:55:54,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:55:54,451 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-01-07 04:55:54,452 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073476436] [2021-01-07 04:55:54,452 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [395439872] [2021-01-07 04:55:54,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/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 [2021-01-07 04:55:54,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:55:54,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 37 conjunts are in the unsatisfiable core [2021-01-07 04:55:54,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:55:54,618 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 [2021-01-07 04:55:54,619 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 04:55:54,637 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 04:55:54,639 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 04:55:54,640 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:15 [2021-01-07 04:55:54,820 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2021-01-07 04:55:54,822 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 04:55:54,828 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 04:55:54,832 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 04:55:54,833 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:22, output treesize:4 [2021-01-07 04:55:54,839 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-01-07 04:55:54,840 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-07 04:55:54,840 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 15 [2021-01-07 04:55:54,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118500315] [2021-01-07 04:55:54,841 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-01-07 04:55:54,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:55:54,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-01-07 04:55:54,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2021-01-07 04:55:54,842 INFO L87 Difference]: Start difference. First operand 50 states and 55 transitions. Second operand 15 states. [2021-01-07 04:55:55,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:55:55,278 INFO L93 Difference]: Finished difference Result 51 states and 55 transitions. [2021-01-07 04:55:55,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-07 04:55:55,279 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 29 [2021-01-07 04:55:55,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:55:55,280 INFO L225 Difference]: With dead ends: 51 [2021-01-07 04:55:55,280 INFO L226 Difference]: Without dead ends: 51 [2021-01-07 04:55:55,280 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=172, Invalid=428, Unknown=0, NotChecked=0, Total=600 [2021-01-07 04:55:55,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-01-07 04:55:55,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 50. [2021-01-07 04:55:55,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2021-01-07 04:55:55,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2021-01-07 04:55:55,283 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 29 [2021-01-07 04:55:55,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:55:55,283 INFO L481 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2021-01-07 04:55:55,283 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2021-01-07 04:55:55,283 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2021-01-07 04:55:55,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-01-07 04:55:55,284 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:55:55,284 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:55:55,497 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-01-07 04:55:55,498 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2021-01-07 04:55:55,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:55:55,499 INFO L82 PathProgramCache]: Analyzing trace with hash -1624346598, now seen corresponding path program 2 times [2021-01-07 04:55:55,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:55:55,500 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363156109] [2021-01-07 04:55:55,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:55:55,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:55:55,722 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 04:55:55,723 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363156109] [2021-01-07 04:55:55,723 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [547493517] [2021-01-07 04:55:55,723 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/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 [2021-01-07 04:55:55,809 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-01-07 04:55:55,809 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-07 04:55:55,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 57 conjunts are in the unsatisfiable core [2021-01-07 04:55:55,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:55:55,831 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 [2021-01-07 04:55:55,832 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 04:55:55,835 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 04:55:55,835 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-01-07 04:55:55,836 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2021-01-07 04:55:55,860 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 04:55:55,861 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 [2021-01-07 04:55:55,864 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 04:55:55,881 INFO L625 ElimStorePlain]: treesize reduction 14, result has 50.0 percent of original size [2021-01-07 04:55:55,882 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-01-07 04:55:55,882 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2021-01-07 04:55:55,920 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 11 treesize of output 7 [2021-01-07 04:55:55,921 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 04:55:55,930 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 04:55:55,931 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 04:55:55,932 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:28, output treesize:21 [2021-01-07 04:55:56,026 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 04:55:56,026 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 3 case distinctions, treesize of input 21 treesize of output 78 [2021-01-07 04:55:56,031 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 04:55:56,074 INFO L625 ElimStorePlain]: treesize reduction 40, result has 42.0 percent of original size [2021-01-07 04:55:56,075 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-01-07 04:55:56,076 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2021-01-07 04:55:56,144 INFO L443 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_6|], 2=[|v_#memory_$Pointer$.base_9|]} [2021-01-07 04:55:56,149 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 11 treesize of output 7 [2021-01-07 04:55:56,150 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 04:55:56,170 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 04:55:56,176 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 04:55:56,187 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 04:55:56,187 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 21 treesize of output 36 [2021-01-07 04:55:56,192 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 04:55:56,196 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 04:55:56,197 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-01-07 04:55:56,248 INFO L625 ElimStorePlain]: treesize reduction 12, result has 81.5 percent of original size [2021-01-07 04:55:56,251 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 04:55:56,252 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. [2021-01-07 04:55:56,253 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:54, output treesize:63 [2021-01-07 04:55:56,255 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 04:55:56,322 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 04:55:56,537 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2021-01-07 04:55:56,539 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 04:55:56,554 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 04:55:56,567 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-01-07 04:55:56,567 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:66, output treesize:47 [2021-01-07 04:55:56,737 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 04:55:56,742 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 04:55:56,742 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 25 [2021-01-07 04:55:56,744 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 04:55:56,746 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 04:55:56,748 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-01-07 04:55:56,764 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 04:55:56,770 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 04:55:56,771 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 04:55:56,772 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-07 04:55:56,778 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-01-07 04:55:56,778 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:51, output treesize:24 [2021-01-07 04:55:56,780 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 04:55:56,781 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 04:55:56,783 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-07 04:55:56,815 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 04:55:56,815 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-07 04:55:56,815 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 24 [2021-01-07 04:55:56,816 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473382572] [2021-01-07 04:55:56,816 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-01-07 04:55:56,816 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:55:56,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-01-07 04:55:56,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=520, Unknown=0, NotChecked=0, Total=600 [2021-01-07 04:55:56,818 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand 25 states. [2021-01-07 04:55:57,432 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-01-07 04:55:57,649 WARN L197 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-01-07 04:55:57,808 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-01-07 04:55:57,950 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-01-07 04:55:58,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:55:58,183 INFO L93 Difference]: Finished difference Result 90 states and 95 transitions. [2021-01-07 04:55:58,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-01-07 04:55:58,184 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 29 [2021-01-07 04:55:58,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:55:58,185 INFO L225 Difference]: With dead ends: 90 [2021-01-07 04:55:58,185 INFO L226 Difference]: Without dead ends: 90 [2021-01-07 04:55:58,186 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=322, Invalid=1010, Unknown=0, NotChecked=0, Total=1332 [2021-01-07 04:55:58,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2021-01-07 04:55:58,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 53. [2021-01-07 04:55:58,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2021-01-07 04:55:58,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 59 transitions. [2021-01-07 04:55:58,189 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 59 transitions. Word has length 29 [2021-01-07 04:55:58,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:55:58,190 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 59 transitions. [2021-01-07 04:55:58,190 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2021-01-07 04:55:58,190 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 59 transitions. [2021-01-07 04:55:58,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-01-07 04:55:58,191 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:55:58,191 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:55:58,405 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:55:58,406 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2021-01-07 04:55:58,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:55:58,407 INFO L82 PathProgramCache]: Analyzing trace with hash -1624346597, now seen corresponding path program 2 times [2021-01-07 04:55:58,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:55:58,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947579553] [2021-01-07 04:55:58,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:55:58,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:55:58,798 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 04:55:58,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947579553] [2021-01-07 04:55:58,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1600863864] [2021-01-07 04:55:58,798 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/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 [2021-01-07 04:55:58,879 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-01-07 04:55:58,879 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-07 04:55:58,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 73 conjunts are in the unsatisfiable core [2021-01-07 04:55:58,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:55:58,903 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 [2021-01-07 04:55:58,904 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 04:55:58,910 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 04:55:58,913 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 [2021-01-07 04:55:58,914 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-07 04:55:58,921 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 04:55:58,921 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-01-07 04:55:58,922 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2021-01-07 04:55:59,013 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 04:55:59,017 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 [2021-01-07 04:55:59,019 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 04:55:59,045 INFO L625 ElimStorePlain]: treesize reduction 14, result has 66.7 percent of original size [2021-01-07 04:55:59,059 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 04:55:59,059 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 [2021-01-07 04:55:59,061 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-07 04:55:59,086 INFO L625 ElimStorePlain]: treesize reduction 14, result has 65.9 percent of original size [2021-01-07 04:55:59,087 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-01-07 04:55:59,087 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:27 [2021-01-07 04:55:59,158 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 11 treesize of output 7 [2021-01-07 04:55:59,158 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 04:55:59,175 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 04:55:59,182 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 11 treesize of output 7 [2021-01-07 04:55:59,183 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-07 04:55:59,200 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 04:55:59,201 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 04:55:59,202 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:49, output treesize:42 [2021-01-07 04:55:59,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 04:55:59,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 04:55:59,312 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 04:55:59,313 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 21 treesize of output 38 [2021-01-07 04:55:59,315 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 04:55:59,361 INFO L625 ElimStorePlain]: treesize reduction 20, result has 73.3 percent of original size [2021-01-07 04:55:59,380 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 04:55:59,380 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 42 [2021-01-07 04:55:59,383 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-07 04:55:59,383 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 04:55:59,386 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-07 04:55:59,402 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 04:55:59,403 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-01-07 04:55:59,403 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:56, output treesize:48 [2021-01-07 04:55:59,475 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 29 treesize of output 24 [2021-01-07 04:55:59,477 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 04:55:59,528 INFO L625 ElimStorePlain]: treesize reduction 4, result has 94.2 percent of original size [2021-01-07 04:55:59,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 04:55:59,535 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-01-07 04:55:59,536 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-07 04:55:59,558 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 04:55:59,560 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 04:55:59,560 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:73, output treesize:83 [2021-01-07 04:56:00,079 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 04:56:00,115 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 04:56:00,116 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 51 [2021-01-07 04:56:00,118 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-07 04:56:00,125 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-07 04:56:00,126 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-01-07 04:56:00,179 INFO L625 ElimStorePlain]: treesize reduction 4, result has 94.3 percent of original size [2021-01-07 04:56:00,183 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 16 [2021-01-07 04:56:00,186 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-07 04:56:00,200 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 04:56:00,205 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. [2021-01-07 04:56:00,205 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:113, output treesize:27 [2021-01-07 04:56:00,355 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 04:56:00,355 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-07 04:56:00,355 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-01-07 04:56:00,356 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996858790] [2021-01-07 04:56:00,356 INFO L461 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-01-07 04:56:00,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:56:00,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-01-07 04:56:00,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=833, Unknown=0, NotChecked=0, Total=930 [2021-01-07 04:56:00,358 INFO L87 Difference]: Start difference. First operand 53 states and 59 transitions. Second operand 31 states. [2021-01-07 04:56:01,042 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2021-01-07 04:56:01,210 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2021-01-07 04:56:01,637 WARN L197 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2021-01-07 04:56:02,098 WARN L197 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 106 [2021-01-07 04:56:02,307 WARN L197 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 64 [2021-01-07 04:56:02,838 WARN L197 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 112 [2021-01-07 04:56:03,160 WARN L197 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 112 [2021-01-07 04:56:03,522 WARN L197 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 117 [2021-01-07 04:56:03,851 WARN L197 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 88 [2021-01-07 04:56:04,267 WARN L197 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2021-01-07 04:56:04,458 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-01-07 04:56:04,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:56:04,469 INFO L93 Difference]: Finished difference Result 104 states and 109 transitions. [2021-01-07 04:56:04,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-01-07 04:56:04,470 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 29 [2021-01-07 04:56:04,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:56:04,471 INFO L225 Difference]: With dead ends: 104 [2021-01-07 04:56:04,471 INFO L226 Difference]: Without dead ends: 104 [2021-01-07 04:56:04,473 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=473, Invalid=1783, Unknown=0, NotChecked=0, Total=2256 [2021-01-07 04:56:04,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-01-07 04:56:04,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 53. [2021-01-07 04:56:04,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2021-01-07 04:56:04,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 58 transitions. [2021-01-07 04:56:04,475 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 58 transitions. Word has length 29 [2021-01-07 04:56:04,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:56:04,476 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 58 transitions. [2021-01-07 04:56:04,476 INFO L482 AbstractCegarLoop]: Interpolant automaton has 31 states. [2021-01-07 04:56:04,476 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 58 transitions. [2021-01-07 04:56:04,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-01-07 04:56:04,477 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:56:04,477 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:56:04,685 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-01-07 04:56:04,686 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2021-01-07 04:56:04,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:56:04,687 INFO L82 PathProgramCache]: Analyzing trace with hash 485421372, now seen corresponding path program 2 times [2021-01-07 04:56:04,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:56:04,687 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606446343] [2021-01-07 04:56:04,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:56:04,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:56:04,834 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-01-07 04:56:04,834 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606446343] [2021-01-07 04:56:04,834 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1571534623] [2021-01-07 04:56:04,834 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/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 [2021-01-07 04:56:04,915 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-01-07 04:56:04,916 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-07 04:56:04,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 13 conjunts are in the unsatisfiable core [2021-01-07 04:56:04,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:56:04,998 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-01-07 04:56:04,998 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-07 04:56:04,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2021-01-07 04:56:04,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106955624] [2021-01-07 04:56:04,999 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-07 04:56:04,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:56:05,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-07 04:56:05,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-01-07 04:56:05,000 INFO L87 Difference]: Start difference. First operand 53 states and 58 transitions. Second operand 8 states. [2021-01-07 04:56:05,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:56:05,082 INFO L93 Difference]: Finished difference Result 121 states and 131 transitions. [2021-01-07 04:56:05,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-01-07 04:56:05,083 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 32 [2021-01-07 04:56:05,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:56:05,084 INFO L225 Difference]: With dead ends: 121 [2021-01-07 04:56:05,084 INFO L226 Difference]: Without dead ends: 121 [2021-01-07 04:56:05,084 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 4 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-01-07 04:56:05,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2021-01-07 04:56:05,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 82. [2021-01-07 04:56:05,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2021-01-07 04:56:05,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 91 transitions. [2021-01-07 04:56:05,088 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 91 transitions. Word has length 32 [2021-01-07 04:56:05,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:56:05,088 INFO L481 AbstractCegarLoop]: Abstraction has 82 states and 91 transitions. [2021-01-07 04:56:05,088 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-01-07 04:56:05,088 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2021-01-07 04:56:05,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-01-07 04:56:05,089 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:56:05,089 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:56:05,303 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-01-07 04:56:05,304 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2021-01-07 04:56:05,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:56:05,305 INFO L82 PathProgramCache]: Analyzing trace with hash 487053670, now seen corresponding path program 3 times [2021-01-07 04:56:05,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:56:05,306 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603753763] [2021-01-07 04:56:05,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:56:05,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:56:05,958 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 04:56:05,958 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603753763] [2021-01-07 04:56:05,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2126941233] [2021-01-07 04:56:05,959 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate-bitabs/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 [2021-01-07 04:56:06,043 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-01-07 04:56:06,043 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-07 04:56:06,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 82 conjunts are in the unsatisfiable core [2021-01-07 04:56:06,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:56:06,071 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 [2021-01-07 04:56:06,072 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 04:56:06,079 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 04:56:06,080 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-01-07 04:56:06,080 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:15 [2021-01-07 04:56:06,128 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 11 treesize of output 7 [2021-01-07 04:56:06,129 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 04:56:06,138 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 04:56:06,141 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 11 treesize of output 7 [2021-01-07 04:56:06,143 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-07 04:56:06,152 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 04:56:06,153 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 04:56:06,153 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:34, output treesize:26 [2021-01-07 04:56:06,183 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 04:56:06,184 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 [2021-01-07 04:56:06,185 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 04:56:06,190 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 04:56:06,202 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 04:56:06,203 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-01-07 04:56:06,204 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:37, output treesize:35 [2021-01-07 04:56:06,267 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 [2021-01-07 04:56:06,268 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 04:56:06,283 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 04:56:06,287 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 [2021-01-07 04:56:06,288 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-07 04:56:06,303 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 04:56:06,304 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 04:56:06,305 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:54, output treesize:55 [2021-01-07 04:56:06,429 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 04:56:06,430 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 30 [2021-01-07 04:56:06,431 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-07 04:56:06,432 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 04:56:06,434 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 04:56:06,448 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 04:56:06,449 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-01-07 04:56:06,449 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:63, output treesize:56 [2021-01-07 04:56:06,522 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-01-07 04:56:06,523 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 04:56:06,542 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 04:56:06,546 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 04:56:06,560 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 04:56:06,561 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 50 treesize of output 67 [2021-01-07 04:56:06,563 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-07 04:56:06,598 INFO L625 ElimStorePlain]: treesize reduction 4, result has 94.3 percent of original size [2021-01-07 04:56:06,599 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 04:56:06,599 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:78, output treesize:83 [2021-01-07 04:56:14,319 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 04:56:14,322 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 04:56:14,322 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 04:56:14,371 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 04:56:14,372 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 14 case distinctions, treesize of input 132 treesize of output 167 [2021-01-07 04:56:14,379 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2021-01-07 04:56:14,380 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2021-01-07 04:56:14,380 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2021-01-07 04:56:14,381 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2021-01-07 04:56:14,382 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,383 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,384 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,386 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,388 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,389 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,391 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,393 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2021-01-07 04:56:14,394 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2021-01-07 04:56:14,395 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,396 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,397 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,398 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,400 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,402 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,403 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,404 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,406 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,408 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2021-01-07 04:56:14,409 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2021-01-07 04:56:14,410 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2021-01-07 04:56:14,411 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2021-01-07 04:56:14,412 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2021-01-07 04:56:14,413 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,414 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,416 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,417 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,419 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,421 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2021-01-07 04:56:14,422 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2021-01-07 04:56:14,423 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2021-01-07 04:56:14,424 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,425 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,426 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2021-01-07 04:56:14,427 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,430 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2021-01-07 04:56:14,431 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2021-01-07 04:56:14,431 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2021-01-07 04:56:14,432 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,433 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,433 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,435 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,435 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,437 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,438 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,439 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,440 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2021-01-07 04:56:14,442 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2021-01-07 04:56:14,443 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2021-01-07 04:56:14,443 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2021-01-07 04:56:14,444 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,445 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,446 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,447 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,449 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,450 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,452 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,454 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2021-01-07 04:56:14,455 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2021-01-07 04:56:14,456 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,457 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,458 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,460 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,461 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,463 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,464 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,466 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,468 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,470 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2021-01-07 04:56:14,471 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2021-01-07 04:56:14,472 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2021-01-07 04:56:14,473 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,474 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,475 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,476 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,477 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,479 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,480 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,480 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,482 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2021-01-07 04:56:14,484 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2021-01-07 04:56:14,484 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2021-01-07 04:56:14,485 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,486 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,487 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,488 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,490 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,491 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,493 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,495 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2021-01-07 04:56:14,495 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2021-01-07 04:56:14,496 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,497 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,498 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,499 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,500 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,502 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,502 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,503 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,505 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2021-01-07 04:56:14,506 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2021-01-07 04:56:14,507 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,508 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,509 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,510 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,511 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,513 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,514 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,514 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,516 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2021-01-07 04:56:14,517 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,518 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,519 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,520 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,522 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,523 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,525 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,526 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2021-01-07 04:56:14,528 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,529 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,530 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,531 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,532 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,533 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,535 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,537 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,537 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,539 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,541 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2021-01-07 04:56:14,542 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,543 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,545 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,545 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,547 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,548 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2021-01-07 04:56:14,550 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,551 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,552 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,558 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,559 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,560 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2021-01-07 04:56:14,568 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,569 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,570 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,571 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,573 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,575 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2021-01-07 04:56:14,577 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,579 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,580 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2021-01-07 04:56:14,586 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,588 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,589 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2021-01-07 04:56:14,595 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,596 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,596 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,600 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2021-01-07 04:56:14,601 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2021-01-07 04:56:14,602 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,603 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,603 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-07 04:56:14,605 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-07 04:56:14,606 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,607 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-07 04:56:14,608 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-07 04:56:14,609 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,610 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-07 04:56:14,611 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-07 04:56:14,612 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2021-01-07 04:56:14,613 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,614 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-07 04:56:14,615 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-07 04:56:14,616 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,617 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-07 04:56:14,618 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-07 04:56:14,619 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2021-01-07 04:56:14,620 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-07 04:56:14,621 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2021-01-07 04:56:14,624 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2021-01-07 04:56:14,625 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2021-01-07 04:56:14,628 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2021-01-07 04:56:14,629 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2021-01-07 04:56:14,629 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2021-01-07 04:56:14,630 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,632 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,634 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,635 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,636 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,639 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2021-01-07 04:56:14,640 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2021-01-07 04:56:14,641 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2021-01-07 04:56:14,642 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,643 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,644 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2021-01-07 04:56:14,645 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,649 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2021-01-07 04:56:14,650 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2021-01-07 04:56:14,651 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2021-01-07 04:56:14,652 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,653 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,653 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,655 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,656 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,661 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,662 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,663 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,665 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 13 disjuncts [2021-01-07 04:56:14,667 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2021-01-07 04:56:14,668 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2021-01-07 04:56:14,669 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2021-01-07 04:56:14,670 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,670 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,672 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,674 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2021-01-07 04:56:14,675 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2021-01-07 04:56:14,677 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,677 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,679 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2021-01-07 04:56:14,680 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2021-01-07 04:56:14,681 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-07 04:56:14,682 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,682 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,684 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,685 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,687 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2021-01-07 04:56:14,688 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2021-01-07 04:56:14,689 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2021-01-07 04:56:14,690 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,691 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,694 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2021-01-07 04:56:14,695 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-07 04:56:14,696 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,697 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,700 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,701 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,702 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2021-01-07 04:56:14,704 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-07 04:56:14,705 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,705 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,707 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,708 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,711 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2021-01-07 04:56:14,712 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,713 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,714 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2021-01-07 04:56:14,716 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,716 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,718 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,719 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,720 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2021-01-07 04:56:14,721 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,724 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,726 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2021-01-07 04:56:14,753 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,753 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,755 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2021-01-07 04:56:14,756 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2021-01-07 04:56:14,756 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,757 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-07 04:56:14,758 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-07 04:56:14,759 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,760 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-07 04:56:14,761 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-07 04:56:14,766 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-07 04:56:14,767 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-07 04:56:14,768 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-07 04:56:14,770 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2021-01-07 04:56:14,771 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2021-01-07 04:56:14,772 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2021-01-07 04:56:14,773 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2021-01-07 04:56:14,774 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,776 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2021-01-07 04:56:14,777 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2021-01-07 04:56:14,778 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2021-01-07 04:56:14,779 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,781 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,783 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2021-01-07 04:56:14,784 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2021-01-07 04:56:14,785 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-07 04:56:14,786 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,786 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,788 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 04:56:14,789 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,791 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 13 disjuncts [2021-01-07 04:56:14,792 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2021-01-07 04:56:14,793 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2021-01-07 04:56:14,794 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2021-01-07 04:56:14,795 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2021-01-07 04:56:14,797 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2021-01-07 04:56:14,798 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-07 04:56:14,798 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-07 04:56:14,799 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,800 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,802 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2021-01-07 04:56:14,804 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2021-01-07 04:56:14,804 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2021-01-07 04:56:14,805 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2021-01-07 04:56:14,807 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-07 04:56:14,808 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-07 04:56:14,808 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,810 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,811 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2021-01-07 04:56:14,812 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-07 04:56:14,813 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,814 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,816 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2021-01-07 04:56:14,817 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2021-01-07 04:56:14,818 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2021-01-07 04:56:14,819 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,821 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2021-01-07 04:56:14,822 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2021-01-07 04:56:14,826 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,828 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2021-01-07 04:56:14,829 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2021-01-07 04:56:14,830 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2021-01-07 04:56:14,832 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2021-01-07 04:56:14,833 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2021-01-07 04:56:14,834 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-07 04:56:14,836 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2021-01-07 04:56:14,837 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2021-01-07 04:56:14,838 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2021-01-07 04:56:14,838 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,840 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2021-01-07 04:56:14,841 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-07 04:56:14,842 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-07 04:56:14,842 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,844 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,845 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2021-01-07 04:56:14,847 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2021-01-07 04:56:14,847 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2021-01-07 04:56:14,848 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-07 04:56:14,850 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2021-01-07 04:56:14,851 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2021-01-07 04:56:14,852 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,853 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-07 04:56:14,854 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-07 04:56:14,855 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,856 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,857 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2021-01-07 04:56:14,859 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-07 04:56:14,859 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,860 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,862 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2021-01-07 04:56:14,863 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,864 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2021-01-07 04:56:14,865 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,867 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 04:56:14,869 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 04:56:14,870 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2021-01-07 04:56:14,876 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-07 04:56:14,877 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-07 04:56:14,880 INFO L547 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-01-07 04:56:14,931 INFO L625 ElimStorePlain]: treesize reduction 16, result has 79.2 percent of original size [2021-01-07 04:56:14,938 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 04:56:14,949 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 04:56:14,949 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 35 [2021-01-07 04:56:14,951 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-07 04:56:14,966 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 04:56:14,968 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 04:56:14,969 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:151, output treesize:7 [2021-01-07 04:56:15,082 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 23 refuted. 4 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 04:56:15,083 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-07 04:56:15,083 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 36 [2021-01-07 04:56:15,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049691956] [2021-01-07 04:56:15,084 INFO L461 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-01-07 04:56:15,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:56:15,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-01-07 04:56:15,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1169, Unknown=5, NotChecked=0, Total=1260 [2021-01-07 04:56:15,086 INFO L87 Difference]: Start difference. First operand 82 states and 91 transitions. Second operand 36 states. [2021-01-07 04:56:23,924 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 83 [2021-01-07 04:56:24,291 WARN L197 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 125 [2021-01-07 04:56:24,671 WARN L197 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 167 [2021-01-07 04:56:25,198 WARN L197 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 178 [2021-01-07 04:56:29,533 WARN L197 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 157 [2021-01-07 04:56:36,013 WARN L197 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 171 [2021-01-07 04:56:40,382 WARN L197 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 161 [2021-01-07 04:56:52,830 WARN L197 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 158 [2021-01-07 04:57:01,261 WARN L197 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 169 [2021-01-07 04:57:07,602 WARN L197 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 129 [2021-01-07 04:58:14,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:58:14,594 INFO L93 Difference]: Finished difference Result 156 states and 169 transitions. [2021-01-07 04:58:14,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-01-07 04:58:14,596 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 32 [2021-01-07 04:58:14,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:58:14,597 INFO L225 Difference]: With dead ends: 156 [2021-01-07 04:58:14,597 INFO L226 Difference]: Without dead ends: 156 [2021-01-07 04:58:14,599 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 542 ImplicationChecksByTransitivity, 33.1s TimeCoverageRelationStatistics Valid=303, Invalid=2761, Unknown=16, NotChecked=0, Total=3080 [2021-01-07 04:58:14,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2021-01-07 04:58:14,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 111. [2021-01-07 04:58:14,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2021-01-07 04:58:14,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 124 transitions. [2021-01-07 04:58:14,603 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 124 transitions. Word has length 32 [2021-01-07 04:58:14,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:58:14,603 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 124 transitions. [2021-01-07 04:58:14,603 INFO L482 AbstractCegarLoop]: Interpolant automaton has 36 states. [2021-01-07 04:58:14,603 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 124 transitions. [2021-01-07 04:58:14,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-01-07 04:58:14,604 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:58:14,604 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:58:14,805 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-01-07 04:58:14,805 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2021-01-07 04:58:14,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:58:14,806 INFO L82 PathProgramCache]: Analyzing trace with hash -2131805143, now seen corresponding path program 1 times [2021-01-07 04:58:14,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:58:14,807 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446363029] [2021-01-07 04:58:14,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:58:14,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:58:14,869 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-01-07 04:58:14,869 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446363029] [2021-01-07 04:58:14,869 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:58:14,869 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-07 04:58:14,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996181864] [2021-01-07 04:58:14,870 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-07 04:58:14,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:58:14,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-07 04:58:14,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-07 04:58:14,871 INFO L87 Difference]: Start difference. First operand 111 states and 124 transitions. Second operand 7 states. [2021-01-07 04:58:15,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:58:15,012 INFO L93 Difference]: Finished difference Result 122 states and 135 transitions. [2021-01-07 04:58:15,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-01-07 04:58:15,013 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2021-01-07 04:58:15,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:58:15,014 INFO L225 Difference]: With dead ends: 122 [2021-01-07 04:58:15,014 INFO L226 Difference]: Without dead ends: 122 [2021-01-07 04:58:15,014 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-01-07 04:58:15,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2021-01-07 04:58:15,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 112. [2021-01-07 04:58:15,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2021-01-07 04:58:15,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 127 transitions. [2021-01-07 04:58:15,017 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 127 transitions. Word has length 33 [2021-01-07 04:58:15,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:58:15,018 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 127 transitions. [2021-01-07 04:58:15,018 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-07 04:58:15,018 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 127 transitions. [2021-01-07 04:58:15,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-01-07 04:58:15,019 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:58:15,019 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:58:15,019 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-01-07 04:58:15,019 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2021-01-07 04:58:15,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:58:15,020 INFO L82 PathProgramCache]: Analyzing trace with hash -2131805142, now seen corresponding path program 1 times [2021-01-07 04:58:15,020 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:58:15,020 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003177671] [2021-01-07 04:58:15,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:58:15,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:58:15,091 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-01-07 04:58:15,092 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003177671] [2021-01-07 04:58:15,092 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:58:15,092 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-07 04:58:15,092 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498755997] [2021-01-07 04:58:15,093 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-07 04:58:15,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:58:15,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-07 04:58:15,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-07 04:58:15,093 INFO L87 Difference]: Start difference. First operand 112 states and 127 transitions. Second operand 7 states. [2021-01-07 04:58:15,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:58:15,252 INFO L93 Difference]: Finished difference Result 120 states and 133 transitions. [2021-01-07 04:58:15,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-07 04:58:15,253 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2021-01-07 04:58:15,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:58:15,254 INFO L225 Difference]: With dead ends: 120 [2021-01-07 04:58:15,254 INFO L226 Difference]: Without dead ends: 120 [2021-01-07 04:58:15,254 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-01-07 04:58:15,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2021-01-07 04:58:15,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 114. [2021-01-07 04:58:15,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2021-01-07 04:58:15,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 128 transitions. [2021-01-07 04:58:15,260 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 128 transitions. Word has length 33 [2021-01-07 04:58:15,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:58:15,260 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 128 transitions. [2021-01-07 04:58:15,260 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-07 04:58:15,260 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 128 transitions. [2021-01-07 04:58:15,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-01-07 04:58:15,268 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:58:15,268 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:58:15,268 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-01-07 04:58:15,268 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2021-01-07 04:58:15,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:58:15,269 INFO L82 PathProgramCache]: Analyzing trace with hash -1661451443, now seen corresponding path program 1 times [2021-01-07 04:58:15,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:58:15,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831486105] [2021-01-07 04:58:15,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:58:15,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:58:15,329 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-01-07 04:58:15,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831486105] [2021-01-07 04:58:15,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:58:15,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-07 04:58:15,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398059314] [2021-01-07 04:58:15,330 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-07 04:58:15,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:58:15,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-07 04:58:15,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-07 04:58:15,331 INFO L87 Difference]: Start difference. First operand 114 states and 128 transitions. Second operand 7 states. [2021-01-07 04:58:15,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:58:15,427 INFO L93 Difference]: Finished difference Result 117 states and 130 transitions. [2021-01-07 04:58:15,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-07 04:58:15,428 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2021-01-07 04:58:15,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:58:15,429 INFO L225 Difference]: With dead ends: 117 [2021-01-07 04:58:15,429 INFO L226 Difference]: Without dead ends: 117 [2021-01-07 04:58:15,429 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-01-07 04:58:15,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2021-01-07 04:58:15,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 114. [2021-01-07 04:58:15,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2021-01-07 04:58:15,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 127 transitions. [2021-01-07 04:58:15,432 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 127 transitions. Word has length 34 [2021-01-07 04:58:15,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:58:15,433 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 127 transitions. [2021-01-07 04:58:15,433 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-07 04:58:15,433 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 127 transitions. [2021-01-07 04:58:15,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-01-07 04:58:15,433 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:58:15,434 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:58:15,434 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-01-07 04:58:15,434 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2021-01-07 04:58:15,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:58:15,435 INFO L82 PathProgramCache]: Analyzing trace with hash 1414755440, now seen corresponding path program 3 times [2021-01-07 04:58:15,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:58:15,435 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774851891] [2021-01-07 04:58:15,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:58:15,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-07 04:58:15,452 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-07 04:58:15,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-07 04:58:15,469 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-07 04:58:15,494 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-07 04:58:15,494 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-01-07 04:58:15,494 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-01-07 04:58:15,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.01 04:58:15 BoogieIcfgContainer [2021-01-07 04:58:15,548 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-07 04:58:15,549 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-07 04:58:15,549 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-07 04:58:15,549 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-07 04:58:15,550 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 04:55:47" (3/4) ... [2021-01-07 04:58:15,551 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-01-07 04:58:15,604 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/list-ext3-properties/sll_length_check-1.i-witness.graphml [2021-01-07 04:58:15,604 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-07 04:58:15,605 INFO L168 Benchmark]: Toolchain (without parser) took 149413.28 ms. Allocated memory was 170.9 MB in the beginning and 362.8 MB in the end (delta: 191.9 MB). Free memory was 144.5 MB in the beginning and 302.2 MB in the end (delta: -157.7 MB). Peak memory consumption was 35.8 MB. Max. memory is 8.0 GB. [2021-01-07 04:58:15,605 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 170.9 MB. Free memory was 144.4 MB in the beginning and 144.3 MB in the end (delta: 89.1 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-01-07 04:58:15,606 INFO L168 Benchmark]: CACSL2BoogieTranslator took 733.99 ms. Allocated memory is still 170.9 MB. Free memory was 144.2 MB in the beginning and 122.0 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-01-07 04:58:15,606 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.86 ms. Allocated memory is still 170.9 MB. Free memory was 122.0 MB in the beginning and 120.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-01-07 04:58:15,606 INFO L168 Benchmark]: Boogie Preprocessor took 106.71 ms. Allocated memory is still 170.9 MB. Free memory was 120.1 MB in the beginning and 153.4 MB in the end (delta: -33.3 MB). Peak memory consumption was 3.7 MB. Max. memory is 8.0 GB. [2021-01-07 04:58:15,607 INFO L168 Benchmark]: RCFGBuilder took 723.54 ms. Allocated memory is still 170.9 MB. Free memory was 153.4 MB in the beginning and 131.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-01-07 04:58:15,608 INFO L168 Benchmark]: TraceAbstraction took 147682.81 ms. Allocated memory was 170.9 MB in the beginning and 362.8 MB in the end (delta: 191.9 MB). Free memory was 131.4 MB in the beginning and 305.9 MB in the end (delta: -174.5 MB). Peak memory consumption was 18.4 MB. Max. memory is 8.0 GB. [2021-01-07 04:58:15,610 INFO L168 Benchmark]: Witness Printer took 55.30 ms. Allocated memory is still 362.8 MB. Free memory was 305.9 MB in the beginning and 302.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-01-07 04:58:15,613 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 170.9 MB. Free memory was 144.4 MB in the beginning and 144.3 MB in the end (delta: 89.1 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 733.99 ms. Allocated memory is still 170.9 MB. Free memory was 144.2 MB in the beginning and 122.0 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 91.86 ms. Allocated memory is still 170.9 MB. Free memory was 122.0 MB in the beginning and 120.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 106.71 ms. Allocated memory is still 170.9 MB. Free memory was 120.1 MB in the beginning and 153.4 MB in the end (delta: -33.3 MB). Peak memory consumption was 3.7 MB. Max. memory is 8.0 GB. * RCFGBuilder took 723.54 ms. Allocated memory is still 170.9 MB. Free memory was 153.4 MB in the beginning and 131.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 147682.81 ms. Allocated memory was 170.9 MB in the beginning and 362.8 MB in the end (delta: 191.9 MB). Free memory was 131.4 MB in the beginning and 305.9 MB in the end (delta: -174.5 MB). Peak memory consumption was 18.4 MB. Max. memory is 8.0 GB. * Witness Printer took 55.30 ms. Allocated memory is still 362.8 MB. Free memory was 305.9 MB in the beginning and 302.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 613]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L603] int len = 2; [L604] len < 32 && __VERIFIER_nondet_int() [L604] len < 32 && __VERIFIER_nondet_int() [L604] COND FALSE !(len < 32 && __VERIFIER_nondet_int()) [L575] SLL head = ((void *)0); [L576] COND TRUE len > 0 [L577] SLL new_head = (SLL) malloc(sizeof(struct node)); [L578] COND FALSE !(((void *)0) == new_head) [L581] new_head->next = head [L582] head = new_head [L583] len-- [L576] COND TRUE len > 0 [L577] SLL new_head = (SLL) malloc(sizeof(struct node)); [L578] COND FALSE !(((void *)0) == new_head) [L581] new_head->next = head [L582] head = new_head [L583] len-- [L576] COND TRUE len > 0 [L577] SLL new_head = (SLL) malloc(sizeof(struct node)); [L578] COND FALSE !(((void *)0) == new_head) [L581] new_head->next = head [L582] head = new_head [L583] len-- [L576] COND FALSE !(len > 0) [L585] return head; [L607] SLL s = sll_create(len + 1); [L588] int len = 0; [L589] COND TRUE \read(head) [L590] len++ [L591] EXPR head->next [L591] head = head->next [L589] COND TRUE \read(head) [L590] len++ [L591] EXPR head->next [L591] head = head->next [L589] COND TRUE \read(head) [L590] len++ [L591] EXPR head->next [L591] head = head->next [L589] COND FALSE !(\read(head)) [L593] return len; [L608] COND TRUE len != sll_length(s) [L613] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 41 locations, 11 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 147.5s, OverallIterations: 21, TraceHistogramMax: 4, AutomataDifference: 128.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 709 SDtfs, 4251 SDslu, 2465 SDs, 0 SdLazy, 2407 SolverSat, 234 SolverUnsat, 47 SolverUnknown, 0 SolverNotchecked, 96.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 499 GetRequests, 203 SyntacticMatches, 10 SemanticMatches, 286 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1233 ImplicationChecksByTransitivity, 42.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=114occurred in iteration=19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 20 MinimizatonAttempts, 510 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 15.3s InterpolantComputationTime, 723 NumberOfCodeBlocks, 723 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 659 ConstructedInterpolants, 21 QuantifiedInterpolants, 214543 SizeOfPredicates, 158 NumberOfNonLiveVariables, 1429 ConjunctsInSsa, 358 ConjunctsInUnsatCore, 29 InterpolantComputations, 11 PerfectInterpolantSequences, 228/393 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...