/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-46f3038-m [2020-07-08 23:38:02,515 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 23:38:02,518 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 23:38:02,531 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-08 23:38:02,532 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-08 23:38:02,533 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-08 23:38:02,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-08 23:38:02,536 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-08 23:38:02,537 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-08 23:38:02,538 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-08 23:38:02,539 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-08 23:38:02,540 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-08 23:38:02,540 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 23:38:02,541 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 23:38:02,542 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 23:38:02,543 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 23:38:02,544 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 23:38:02,545 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 23:38:02,547 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 23:38:02,549 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 23:38:02,551 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 23:38:02,552 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 23:38:02,553 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 23:38:02,554 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 23:38:02,556 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-08 23:38:02,560 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-08 23:38:02,560 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-08 23:38:02,561 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-08 23:38:02,562 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-08 23:38:02,563 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-08 23:38:02,563 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-08 23:38:02,564 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-08 23:38:02,564 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-08 23:38:02,565 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-08 23:38:02,565 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-08 23:38:02,566 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-08 23:38:02,567 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-08 23:38:02,577 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 23:38:02,577 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 23:38:02,578 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 23:38:02,579 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-08 23:38:02,579 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 23:38:02,579 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-08 23:38:02,579 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 23:38:02,579 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 23:38:02,580 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 23:38:02,580 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 23:38:02,580 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-08 23:38:02,580 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 23:38:02,580 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 23:38:02,581 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 23:38:02,581 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 23:38:02,581 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-08 23:38:02,581 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 23:38:02,581 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 23:38:02,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 23:38:02,582 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 23:38:02,582 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-08 23:38:02,583 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 23:38:02,583 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-08 23:38:02,877 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 23:38:02,894 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 23:38:02,899 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 23:38:02,900 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 23:38:02,901 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 23:38:02,901 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2020-07-08 23:38:02,982 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1b1fba03/c49e1f038eee44cdb3802b7d5fb6eea0/FLAG93346c949 [2020-07-08 23:38:03,522 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 23:38:03,523 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2020-07-08 23:38:03,532 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1b1fba03/c49e1f038eee44cdb3802b7d5fb6eea0/FLAG93346c949 [2020-07-08 23:38:03,874 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1b1fba03/c49e1f038eee44cdb3802b7d5fb6eea0 [2020-07-08 23:38:03,884 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 23:38:03,886 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 23:38:03,888 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 23:38:03,888 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 23:38:03,892 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 23:38:03,894 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 11:38:03" (1/1) ... [2020-07-08 23:38:03,897 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@405b14c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:38:03, skipping insertion in model container [2020-07-08 23:38:03,898 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 11:38:03" (1/1) ... [2020-07-08 23:38:03,906 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 23:38:03,948 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 23:38:04,194 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 23:38:04,208 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 23:38:04,300 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 23:38:04,420 INFO L208 MainTranslator]: Completed translation [2020-07-08 23:38:04,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:38:04 WrapperNode [2020-07-08 23:38:04,421 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 23:38:04,422 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 23:38:04,422 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 23:38:04,422 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 23:38:04,436 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:38:04" (1/1) ... [2020-07-08 23:38:04,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:38:04" (1/1) ... [2020-07-08 23:38:04,456 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:38:04" (1/1) ... [2020-07-08 23:38:04,457 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:38:04" (1/1) ... [2020-07-08 23:38:04,468 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:38:04" (1/1) ... [2020-07-08 23:38:04,474 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:38:04" (1/1) ... [2020-07-08 23:38:04,476 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:38:04" (1/1) ... [2020-07-08 23:38:04,480 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 23:38:04,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 23:38:04,481 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 23:38:04,481 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 23:38:04,482 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:38:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 23:38:04,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 23:38:04,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 23:38:04,552 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-08 23:38:04,552 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 23:38:04,557 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 23:38:04,558 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-08 23:38:04,558 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-08 23:38:04,558 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-08 23:38:04,558 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-08 23:38:04,559 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 23:38:04,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 23:38:04,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 23:38:05,374 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 23:38:05,374 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-08 23:38:05,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 11:38:05 BoogieIcfgContainer [2020-07-08 23:38:05,383 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 23:38:05,385 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 23:38:05,385 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 23:38:05,389 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 23:38:05,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 11:38:03" (1/3) ... [2020-07-08 23:38:05,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ede1af1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 11:38:05, skipping insertion in model container [2020-07-08 23:38:05,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:38:04" (2/3) ... [2020-07-08 23:38:05,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ede1af1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 11:38:05, skipping insertion in model container [2020-07-08 23:38:05,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 11:38:05" (3/3) ... [2020-07-08 23:38:05,395 INFO L109 eAbstractionObserver]: Analyzing ICFG SpamAssassin-loop.i.v+cfa-reducer.c [2020-07-08 23:38:05,409 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-08 23:38:05,420 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 16 error locations. [2020-07-08 23:38:05,440 INFO L251 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2020-07-08 23:38:05,467 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 23:38:05,467 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 23:38:05,467 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-08 23:38:05,468 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 23:38:05,468 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 23:38:05,468 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 23:38:05,468 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 23:38:05,469 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 23:38:05,509 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states. [2020-07-08 23:38:05,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-07-08 23:38:05,529 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 23:38:05,531 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 23:38:05,540 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 23:38:05,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 23:38:05,552 INFO L82 PathProgramCache]: Analyzing trace with hash -2057699390, now seen corresponding path program 1 times [2020-07-08 23:38:05,563 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 23:38:05,565 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2133660380] [2020-07-08 23:38:05,566 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 23:38:05,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:05,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:05,895 INFO L280 TraceCheckUtils]: 0: Hoare triple {190#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {181#true} is VALID [2020-07-08 23:38:05,896 INFO L280 TraceCheckUtils]: 1: Hoare triple {181#true} ~__return_334~0 := 0; {181#true} is VALID [2020-07-08 23:38:05,897 INFO L280 TraceCheckUtils]: 2: Hoare triple {181#true} assume true; {181#true} is VALID [2020-07-08 23:38:05,898 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {181#true} {181#true} #261#return; {181#true} is VALID [2020-07-08 23:38:05,902 INFO L263 TraceCheckUtils]: 0: Hoare triple {181#true} call ULTIMATE.init(); {190#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} is VALID [2020-07-08 23:38:05,903 INFO L280 TraceCheckUtils]: 1: Hoare triple {190#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {181#true} is VALID [2020-07-08 23:38:05,904 INFO L280 TraceCheckUtils]: 2: Hoare triple {181#true} ~__return_334~0 := 0; {181#true} is VALID [2020-07-08 23:38:05,904 INFO L280 TraceCheckUtils]: 3: Hoare triple {181#true} assume true; {181#true} is VALID [2020-07-08 23:38:05,904 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {181#true} {181#true} #261#return; {181#true} is VALID [2020-07-08 23:38:05,905 INFO L263 TraceCheckUtils]: 5: Hoare triple {181#true} call #t~ret3 := main(); {181#true} is VALID [2020-07-08 23:38:05,905 INFO L280 TraceCheckUtils]: 6: Hoare triple {181#true} havoc ~main__len~0; {181#true} is VALID [2020-07-08 23:38:05,906 INFO L280 TraceCheckUtils]: 7: Hoare triple {181#true} havoc ~main__i~0; {181#true} is VALID [2020-07-08 23:38:05,906 INFO L280 TraceCheckUtils]: 8: Hoare triple {181#true} havoc ~main__j~0; {181#true} is VALID [2020-07-08 23:38:05,906 INFO L280 TraceCheckUtils]: 9: Hoare triple {181#true} havoc ~main__bufsize~0; {181#true} is VALID [2020-07-08 23:38:05,907 INFO L280 TraceCheckUtils]: 10: Hoare triple {181#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {181#true} is VALID [2020-07-08 23:38:05,907 INFO L280 TraceCheckUtils]: 11: Hoare triple {181#true} ~main__bufsize~0 := #t~nondet0; {181#true} is VALID [2020-07-08 23:38:05,908 INFO L280 TraceCheckUtils]: 12: Hoare triple {181#true} havoc #t~nondet0; {181#true} is VALID [2020-07-08 23:38:05,908 INFO L280 TraceCheckUtils]: 13: Hoare triple {181#true} assume !(~main__bufsize~0 < 0); {181#true} is VALID [2020-07-08 23:38:05,909 INFO L280 TraceCheckUtils]: 14: Hoare triple {181#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {181#true} is VALID [2020-07-08 23:38:05,909 INFO L280 TraceCheckUtils]: 15: Hoare triple {181#true} ~main__len~0 := #t~nondet1; {181#true} is VALID [2020-07-08 23:38:05,910 INFO L280 TraceCheckUtils]: 16: Hoare triple {181#true} havoc #t~nondet1; {181#true} is VALID [2020-07-08 23:38:05,910 INFO L280 TraceCheckUtils]: 17: Hoare triple {181#true} ~main__limit~0 := ~main__bufsize~0 - 4; {181#true} is VALID [2020-07-08 23:38:05,911 INFO L280 TraceCheckUtils]: 18: Hoare triple {181#true} ~main__i~0 := 0; {181#true} is VALID [2020-07-08 23:38:05,912 INFO L280 TraceCheckUtils]: 19: Hoare triple {181#true} assume ~main__i~0 < ~main__len~0; {187#(< main_~main__i~0 main_~main__len~0)} is VALID [2020-07-08 23:38:05,914 INFO L280 TraceCheckUtils]: 20: Hoare triple {187#(< main_~main__i~0 main_~main__len~0)} ~main__j~0 := 0; {187#(< main_~main__i~0 main_~main__len~0)} is VALID [2020-07-08 23:38:05,915 INFO L280 TraceCheckUtils]: 21: Hoare triple {187#(< main_~main__i~0 main_~main__len~0)} assume ~main__i~0 < ~main__len~0; {187#(< main_~main__i~0 main_~main__len~0)} is VALID [2020-07-08 23:38:05,916 INFO L280 TraceCheckUtils]: 22: Hoare triple {187#(< main_~main__i~0 main_~main__len~0)} assume ~main__j~0 < ~main__limit~0; {187#(< main_~main__i~0 main_~main__len~0)} is VALID [2020-07-08 23:38:05,918 INFO L280 TraceCheckUtils]: 23: Hoare triple {187#(< main_~main__i~0 main_~main__len~0)} assume !(1 + ~main__i~0 < ~main__len~0); {187#(< main_~main__i~0 main_~main__len~0)} is VALID [2020-07-08 23:38:05,919 INFO L280 TraceCheckUtils]: 24: Hoare triple {187#(< main_~main__i~0 main_~main__len~0)} havoc ~__tmp_3~0; {187#(< main_~main__i~0 main_~main__len~0)} is VALID [2020-07-08 23:38:05,920 INFO L280 TraceCheckUtils]: 25: Hoare triple {187#(< main_~main__i~0 main_~main__len~0)} ~__tmp_3~0 := (if ~main__i~0 < ~main__len~0 then 1 else 0); {188#(not (= 0 main_~__tmp_3~0))} is VALID [2020-07-08 23:38:05,921 INFO L280 TraceCheckUtils]: 26: Hoare triple {188#(not (= 0 main_~__tmp_3~0))} havoc ~__VERIFIER_assert__cond~2; {188#(not (= 0 main_~__tmp_3~0))} is VALID [2020-07-08 23:38:05,923 INFO L280 TraceCheckUtils]: 27: Hoare triple {188#(not (= 0 main_~__tmp_3~0))} ~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {189#(not (= 0 main_~__VERIFIER_assert__cond~2))} is VALID [2020-07-08 23:38:05,924 INFO L280 TraceCheckUtils]: 28: Hoare triple {189#(not (= 0 main_~__VERIFIER_assert__cond~2))} assume 0 == ~__VERIFIER_assert__cond~2; {182#false} is VALID [2020-07-08 23:38:05,925 INFO L280 TraceCheckUtils]: 29: Hoare triple {182#false} assume !false; {182#false} is VALID [2020-07-08 23:38:05,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 23:38:05,934 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2133660380] [2020-07-08 23:38:05,937 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 23:38:05,938 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-08 23:38:05,939 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918245761] [2020-07-08 23:38:05,947 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2020-07-08 23:38:05,951 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 23:38:05,956 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-08 23:38:06,013 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:38:06,013 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-08 23:38:06,014 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 23:38:06,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-08 23:38:06,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-08 23:38:06,028 INFO L87 Difference]: Start difference. First operand 178 states. Second operand 6 states. [2020-07-08 23:38:08,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:38:08,899 INFO L93 Difference]: Finished difference Result 435 states and 497 transitions. [2020-07-08 23:38:08,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-08 23:38:08,899 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2020-07-08 23:38:08,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 23:38:08,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 23:38:08,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 497 transitions. [2020-07-08 23:38:08,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 23:38:08,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 497 transitions. [2020-07-08 23:38:08,933 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 497 transitions. [2020-07-08 23:38:09,532 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 497 edges. 497 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:38:09,580 INFO L225 Difference]: With dead ends: 435 [2020-07-08 23:38:09,581 INFO L226 Difference]: Without dead ends: 264 [2020-07-08 23:38:09,595 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-07-08 23:38:09,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2020-07-08 23:38:10,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 154. [2020-07-08 23:38:10,143 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 23:38:10,144 INFO L82 GeneralOperation]: Start isEquivalent. First operand 264 states. Second operand 154 states. [2020-07-08 23:38:10,144 INFO L74 IsIncluded]: Start isIncluded. First operand 264 states. Second operand 154 states. [2020-07-08 23:38:10,145 INFO L87 Difference]: Start difference. First operand 264 states. Second operand 154 states. [2020-07-08 23:38:10,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:38:10,174 INFO L93 Difference]: Finished difference Result 264 states and 272 transitions. [2020-07-08 23:38:10,174 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 272 transitions. [2020-07-08 23:38:10,177 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:38:10,178 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:38:10,178 INFO L74 IsIncluded]: Start isIncluded. First operand 154 states. Second operand 264 states. [2020-07-08 23:38:10,178 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 264 states. [2020-07-08 23:38:10,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:38:10,206 INFO L93 Difference]: Finished difference Result 264 states and 272 transitions. [2020-07-08 23:38:10,207 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 272 transitions. [2020-07-08 23:38:10,210 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:38:10,210 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:38:10,210 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 23:38:10,211 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 23:38:10,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-07-08 23:38:10,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 158 transitions. [2020-07-08 23:38:10,225 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 158 transitions. Word has length 30 [2020-07-08 23:38:10,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 23:38:10,225 INFO L479 AbstractCegarLoop]: Abstraction has 154 states and 158 transitions. [2020-07-08 23:38:10,226 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-08 23:38:10,226 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 154 states and 158 transitions. [2020-07-08 23:38:10,523 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 158 edges. 158 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:38:10,524 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 158 transitions. [2020-07-08 23:38:10,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-07-08 23:38:10,525 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 23:38:10,525 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 23:38:10,526 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 23:38:10,526 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 23:38:10,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 23:38:10,528 INFO L82 PathProgramCache]: Analyzing trace with hash 1575143415, now seen corresponding path program 1 times [2020-07-08 23:38:10,528 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 23:38:10,529 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1169783866] [2020-07-08 23:38:10,529 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 23:38:10,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:10,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:10,636 INFO L280 TraceCheckUtils]: 0: Hoare triple {1920#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {1911#true} is VALID [2020-07-08 23:38:10,636 INFO L280 TraceCheckUtils]: 1: Hoare triple {1911#true} ~__return_334~0 := 0; {1911#true} is VALID [2020-07-08 23:38:10,637 INFO L280 TraceCheckUtils]: 2: Hoare triple {1911#true} assume true; {1911#true} is VALID [2020-07-08 23:38:10,637 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1911#true} {1911#true} #261#return; {1911#true} is VALID [2020-07-08 23:38:10,638 INFO L263 TraceCheckUtils]: 0: Hoare triple {1911#true} call ULTIMATE.init(); {1920#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} is VALID [2020-07-08 23:38:10,639 INFO L280 TraceCheckUtils]: 1: Hoare triple {1920#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {1911#true} is VALID [2020-07-08 23:38:10,639 INFO L280 TraceCheckUtils]: 2: Hoare triple {1911#true} ~__return_334~0 := 0; {1911#true} is VALID [2020-07-08 23:38:10,639 INFO L280 TraceCheckUtils]: 3: Hoare triple {1911#true} assume true; {1911#true} is VALID [2020-07-08 23:38:10,640 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1911#true} {1911#true} #261#return; {1911#true} is VALID [2020-07-08 23:38:10,640 INFO L263 TraceCheckUtils]: 5: Hoare triple {1911#true} call #t~ret3 := main(); {1911#true} is VALID [2020-07-08 23:38:10,640 INFO L280 TraceCheckUtils]: 6: Hoare triple {1911#true} havoc ~main__len~0; {1911#true} is VALID [2020-07-08 23:38:10,641 INFO L280 TraceCheckUtils]: 7: Hoare triple {1911#true} havoc ~main__i~0; {1911#true} is VALID [2020-07-08 23:38:10,641 INFO L280 TraceCheckUtils]: 8: Hoare triple {1911#true} havoc ~main__j~0; {1911#true} is VALID [2020-07-08 23:38:10,641 INFO L280 TraceCheckUtils]: 9: Hoare triple {1911#true} havoc ~main__bufsize~0; {1911#true} is VALID [2020-07-08 23:38:10,642 INFO L280 TraceCheckUtils]: 10: Hoare triple {1911#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {1911#true} is VALID [2020-07-08 23:38:10,642 INFO L280 TraceCheckUtils]: 11: Hoare triple {1911#true} ~main__bufsize~0 := #t~nondet0; {1911#true} is VALID [2020-07-08 23:38:10,642 INFO L280 TraceCheckUtils]: 12: Hoare triple {1911#true} havoc #t~nondet0; {1911#true} is VALID [2020-07-08 23:38:10,643 INFO L280 TraceCheckUtils]: 13: Hoare triple {1911#true} assume !(~main__bufsize~0 < 0); {1911#true} is VALID [2020-07-08 23:38:10,643 INFO L280 TraceCheckUtils]: 14: Hoare triple {1911#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {1911#true} is VALID [2020-07-08 23:38:10,644 INFO L280 TraceCheckUtils]: 15: Hoare triple {1911#true} ~main__len~0 := #t~nondet1; {1911#true} is VALID [2020-07-08 23:38:10,644 INFO L280 TraceCheckUtils]: 16: Hoare triple {1911#true} havoc #t~nondet1; {1911#true} is VALID [2020-07-08 23:38:10,644 INFO L280 TraceCheckUtils]: 17: Hoare triple {1911#true} ~main__limit~0 := ~main__bufsize~0 - 4; {1911#true} is VALID [2020-07-08 23:38:10,644 INFO L280 TraceCheckUtils]: 18: Hoare triple {1911#true} ~main__i~0 := 0; {1911#true} is VALID [2020-07-08 23:38:10,645 INFO L280 TraceCheckUtils]: 19: Hoare triple {1911#true} assume ~main__i~0 < ~main__len~0; {1911#true} is VALID [2020-07-08 23:38:10,645 INFO L280 TraceCheckUtils]: 20: Hoare triple {1911#true} ~main__j~0 := 0; {1911#true} is VALID [2020-07-08 23:38:10,645 INFO L280 TraceCheckUtils]: 21: Hoare triple {1911#true} assume ~main__i~0 < ~main__len~0; {1911#true} is VALID [2020-07-08 23:38:10,646 INFO L280 TraceCheckUtils]: 22: Hoare triple {1911#true} assume ~main__j~0 < ~main__limit~0; {1911#true} is VALID [2020-07-08 23:38:10,647 INFO L280 TraceCheckUtils]: 23: Hoare triple {1911#true} assume 1 + ~main__i~0 < ~main__len~0; {1917#(< (+ main_~main__i~0 1) main_~main__len~0)} is VALID [2020-07-08 23:38:10,648 INFO L280 TraceCheckUtils]: 24: Hoare triple {1917#(< (+ main_~main__i~0 1) main_~main__len~0)} havoc ~__tmp_1~0; {1917#(< (+ main_~main__i~0 1) main_~main__len~0)} is VALID [2020-07-08 23:38:10,649 INFO L280 TraceCheckUtils]: 25: Hoare triple {1917#(< (+ main_~main__i~0 1) main_~main__len~0)} ~__tmp_1~0 := (if 1 + ~main__i~0 < ~main__len~0 then 1 else 0); {1918#(not (= 0 main_~__tmp_1~0))} is VALID [2020-07-08 23:38:10,649 INFO L280 TraceCheckUtils]: 26: Hoare triple {1918#(not (= 0 main_~__tmp_1~0))} havoc ~__VERIFIER_assert__cond~0; {1918#(not (= 0 main_~__tmp_1~0))} is VALID [2020-07-08 23:38:10,650 INFO L280 TraceCheckUtils]: 27: Hoare triple {1918#(not (= 0 main_~__tmp_1~0))} ~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {1919#(not (= 0 main_~__VERIFIER_assert__cond~0))} is VALID [2020-07-08 23:38:10,651 INFO L280 TraceCheckUtils]: 28: Hoare triple {1919#(not (= 0 main_~__VERIFIER_assert__cond~0))} assume 0 == ~__VERIFIER_assert__cond~0; {1912#false} is VALID [2020-07-08 23:38:10,652 INFO L280 TraceCheckUtils]: 29: Hoare triple {1912#false} assume !false; {1912#false} is VALID [2020-07-08 23:38:10,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 23:38:10,655 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1169783866] [2020-07-08 23:38:10,656 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 23:38:10,656 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-08 23:38:10,656 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16406909] [2020-07-08 23:38:10,658 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2020-07-08 23:38:10,659 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 23:38:10,659 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-08 23:38:10,690 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:38:10,690 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-08 23:38:10,691 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 23:38:10,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-08 23:38:10,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-08 23:38:10,692 INFO L87 Difference]: Start difference. First operand 154 states and 158 transitions. Second operand 6 states. [2020-07-08 23:38:12,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:38:12,564 INFO L93 Difference]: Finished difference Result 223 states and 230 transitions. [2020-07-08 23:38:12,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-08 23:38:12,565 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2020-07-08 23:38:12,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 23:38:12,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 23:38:12,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 228 transitions. [2020-07-08 23:38:12,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 23:38:12,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 228 transitions. [2020-07-08 23:38:12,575 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 228 transitions. [2020-07-08 23:38:12,876 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 228 edges. 228 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:38:12,882 INFO L225 Difference]: With dead ends: 223 [2020-07-08 23:38:12,882 INFO L226 Difference]: Without dead ends: 221 [2020-07-08 23:38:12,884 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-07-08 23:38:12,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2020-07-08 23:38:13,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 152. [2020-07-08 23:38:13,458 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 23:38:13,458 INFO L82 GeneralOperation]: Start isEquivalent. First operand 221 states. Second operand 152 states. [2020-07-08 23:38:13,458 INFO L74 IsIncluded]: Start isIncluded. First operand 221 states. Second operand 152 states. [2020-07-08 23:38:13,458 INFO L87 Difference]: Start difference. First operand 221 states. Second operand 152 states. [2020-07-08 23:38:13,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:38:13,468 INFO L93 Difference]: Finished difference Result 221 states and 228 transitions. [2020-07-08 23:38:13,468 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 228 transitions. [2020-07-08 23:38:13,469 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:38:13,469 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:38:13,470 INFO L74 IsIncluded]: Start isIncluded. First operand 152 states. Second operand 221 states. [2020-07-08 23:38:13,470 INFO L87 Difference]: Start difference. First operand 152 states. Second operand 221 states. [2020-07-08 23:38:13,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:38:13,479 INFO L93 Difference]: Finished difference Result 221 states and 228 transitions. [2020-07-08 23:38:13,479 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 228 transitions. [2020-07-08 23:38:13,480 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:38:13,480 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:38:13,480 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 23:38:13,481 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 23:38:13,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-07-08 23:38:13,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 156 transitions. [2020-07-08 23:38:13,487 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 156 transitions. Word has length 30 [2020-07-08 23:38:13,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 23:38:13,488 INFO L479 AbstractCegarLoop]: Abstraction has 152 states and 156 transitions. [2020-07-08 23:38:13,488 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-08 23:38:13,488 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 152 states and 156 transitions. [2020-07-08 23:38:13,798 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 156 edges. 156 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:38:13,799 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 156 transitions. [2020-07-08 23:38:13,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-07-08 23:38:13,800 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 23:38:13,801 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 23:38:13,801 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-08 23:38:13,802 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 23:38:13,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 23:38:13,802 INFO L82 PathProgramCache]: Analyzing trace with hash 949374873, now seen corresponding path program 1 times [2020-07-08 23:38:13,803 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 23:38:13,803 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [902352582] [2020-07-08 23:38:13,803 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 23:38:13,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:13,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:13,899 INFO L280 TraceCheckUtils]: 0: Hoare triple {3135#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {3126#true} is VALID [2020-07-08 23:38:13,900 INFO L280 TraceCheckUtils]: 1: Hoare triple {3126#true} ~__return_334~0 := 0; {3126#true} is VALID [2020-07-08 23:38:13,900 INFO L280 TraceCheckUtils]: 2: Hoare triple {3126#true} assume true; {3126#true} is VALID [2020-07-08 23:38:13,900 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3126#true} {3126#true} #261#return; {3126#true} is VALID [2020-07-08 23:38:13,902 INFO L263 TraceCheckUtils]: 0: Hoare triple {3126#true} call ULTIMATE.init(); {3135#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} is VALID [2020-07-08 23:38:13,902 INFO L280 TraceCheckUtils]: 1: Hoare triple {3135#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {3126#true} is VALID [2020-07-08 23:38:13,903 INFO L280 TraceCheckUtils]: 2: Hoare triple {3126#true} ~__return_334~0 := 0; {3126#true} is VALID [2020-07-08 23:38:13,903 INFO L280 TraceCheckUtils]: 3: Hoare triple {3126#true} assume true; {3126#true} is VALID [2020-07-08 23:38:13,903 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3126#true} {3126#true} #261#return; {3126#true} is VALID [2020-07-08 23:38:13,904 INFO L263 TraceCheckUtils]: 5: Hoare triple {3126#true} call #t~ret3 := main(); {3126#true} is VALID [2020-07-08 23:38:13,904 INFO L280 TraceCheckUtils]: 6: Hoare triple {3126#true} havoc ~main__len~0; {3126#true} is VALID [2020-07-08 23:38:13,904 INFO L280 TraceCheckUtils]: 7: Hoare triple {3126#true} havoc ~main__i~0; {3126#true} is VALID [2020-07-08 23:38:13,904 INFO L280 TraceCheckUtils]: 8: Hoare triple {3126#true} havoc ~main__j~0; {3126#true} is VALID [2020-07-08 23:38:13,905 INFO L280 TraceCheckUtils]: 9: Hoare triple {3126#true} havoc ~main__bufsize~0; {3126#true} is VALID [2020-07-08 23:38:13,905 INFO L280 TraceCheckUtils]: 10: Hoare triple {3126#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {3126#true} is VALID [2020-07-08 23:38:13,905 INFO L280 TraceCheckUtils]: 11: Hoare triple {3126#true} ~main__bufsize~0 := #t~nondet0; {3126#true} is VALID [2020-07-08 23:38:13,906 INFO L280 TraceCheckUtils]: 12: Hoare triple {3126#true} havoc #t~nondet0; {3126#true} is VALID [2020-07-08 23:38:13,906 INFO L280 TraceCheckUtils]: 13: Hoare triple {3126#true} assume !(~main__bufsize~0 < 0); {3126#true} is VALID [2020-07-08 23:38:13,906 INFO L280 TraceCheckUtils]: 14: Hoare triple {3126#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {3126#true} is VALID [2020-07-08 23:38:13,907 INFO L280 TraceCheckUtils]: 15: Hoare triple {3126#true} ~main__len~0 := #t~nondet1; {3126#true} is VALID [2020-07-08 23:38:13,907 INFO L280 TraceCheckUtils]: 16: Hoare triple {3126#true} havoc #t~nondet1; {3126#true} is VALID [2020-07-08 23:38:13,907 INFO L280 TraceCheckUtils]: 17: Hoare triple {3126#true} ~main__limit~0 := ~main__bufsize~0 - 4; {3126#true} is VALID [2020-07-08 23:38:13,909 INFO L280 TraceCheckUtils]: 18: Hoare triple {3126#true} ~main__i~0 := 0; {3132#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:38:13,911 INFO L280 TraceCheckUtils]: 19: Hoare triple {3132#(<= 0 main_~main__i~0)} assume ~main__i~0 < ~main__len~0; {3132#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:38:13,913 INFO L280 TraceCheckUtils]: 20: Hoare triple {3132#(<= 0 main_~main__i~0)} ~main__j~0 := 0; {3132#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:38:13,915 INFO L280 TraceCheckUtils]: 21: Hoare triple {3132#(<= 0 main_~main__i~0)} assume ~main__i~0 < ~main__len~0; {3132#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:38:13,916 INFO L280 TraceCheckUtils]: 22: Hoare triple {3132#(<= 0 main_~main__i~0)} assume ~main__j~0 < ~main__limit~0; {3132#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:38:13,919 INFO L280 TraceCheckUtils]: 23: Hoare triple {3132#(<= 0 main_~main__i~0)} assume !(1 + ~main__i~0 < ~main__len~0); {3132#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:38:13,920 INFO L280 TraceCheckUtils]: 24: Hoare triple {3132#(<= 0 main_~main__i~0)} havoc ~__tmp_3~0; {3132#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:38:13,920 INFO L280 TraceCheckUtils]: 25: Hoare triple {3132#(<= 0 main_~main__i~0)} ~__tmp_3~0 := (if ~main__i~0 < ~main__len~0 then 1 else 0); {3132#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:38:13,921 INFO L280 TraceCheckUtils]: 26: Hoare triple {3132#(<= 0 main_~main__i~0)} havoc ~__VERIFIER_assert__cond~2; {3132#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:38:13,922 INFO L280 TraceCheckUtils]: 27: Hoare triple {3132#(<= 0 main_~main__i~0)} ~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {3132#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:38:13,922 INFO L280 TraceCheckUtils]: 28: Hoare triple {3132#(<= 0 main_~main__i~0)} assume !(0 == ~__VERIFIER_assert__cond~2); {3132#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:38:13,923 INFO L280 TraceCheckUtils]: 29: Hoare triple {3132#(<= 0 main_~main__i~0)} havoc ~__tmp_4~0; {3132#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:38:13,924 INFO L280 TraceCheckUtils]: 30: Hoare triple {3132#(<= 0 main_~main__i~0)} ~__tmp_4~0 := (if 0 <= ~main__i~0 then 1 else 0); {3133#(not (= 0 main_~__tmp_4~0))} is VALID [2020-07-08 23:38:13,925 INFO L280 TraceCheckUtils]: 31: Hoare triple {3133#(not (= 0 main_~__tmp_4~0))} havoc ~__VERIFIER_assert__cond~3; {3133#(not (= 0 main_~__tmp_4~0))} is VALID [2020-07-08 23:38:13,926 INFO L280 TraceCheckUtils]: 32: Hoare triple {3133#(not (= 0 main_~__tmp_4~0))} ~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {3134#(not (= 0 main_~__VERIFIER_assert__cond~3))} is VALID [2020-07-08 23:38:13,927 INFO L280 TraceCheckUtils]: 33: Hoare triple {3134#(not (= 0 main_~__VERIFIER_assert__cond~3))} assume 0 == ~__VERIFIER_assert__cond~3; {3127#false} is VALID [2020-07-08 23:38:13,927 INFO L280 TraceCheckUtils]: 34: Hoare triple {3127#false} assume !false; {3127#false} is VALID [2020-07-08 23:38:13,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 23:38:13,930 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [902352582] [2020-07-08 23:38:13,930 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 23:38:13,930 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-08 23:38:13,930 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162993327] [2020-07-08 23:38:13,931 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-07-08 23:38:13,931 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 23:38:13,932 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-08 23:38:13,966 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:38:13,966 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-08 23:38:13,967 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 23:38:13,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-08 23:38:13,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-08 23:38:13,968 INFO L87 Difference]: Start difference. First operand 152 states and 156 transitions. Second operand 6 states. [2020-07-08 23:38:16,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:38:16,346 INFO L93 Difference]: Finished difference Result 263 states and 271 transitions. [2020-07-08 23:38:16,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-08 23:38:16,346 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-07-08 23:38:16,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 23:38:16,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 23:38:16,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 269 transitions. [2020-07-08 23:38:16,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 23:38:16,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 269 transitions. [2020-07-08 23:38:16,355 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 269 transitions. [2020-07-08 23:38:16,733 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 269 edges. 269 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:38:16,740 INFO L225 Difference]: With dead ends: 263 [2020-07-08 23:38:16,741 INFO L226 Difference]: Without dead ends: 261 [2020-07-08 23:38:16,741 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-07-08 23:38:16,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2020-07-08 23:38:17,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 150. [2020-07-08 23:38:17,414 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 23:38:17,415 INFO L82 GeneralOperation]: Start isEquivalent. First operand 261 states. Second operand 150 states. [2020-07-08 23:38:17,415 INFO L74 IsIncluded]: Start isIncluded. First operand 261 states. Second operand 150 states. [2020-07-08 23:38:17,415 INFO L87 Difference]: Start difference. First operand 261 states. Second operand 150 states. [2020-07-08 23:38:17,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:38:17,424 INFO L93 Difference]: Finished difference Result 261 states and 269 transitions. [2020-07-08 23:38:17,424 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 269 transitions. [2020-07-08 23:38:17,425 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:38:17,425 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:38:17,426 INFO L74 IsIncluded]: Start isIncluded. First operand 150 states. Second operand 261 states. [2020-07-08 23:38:17,426 INFO L87 Difference]: Start difference. First operand 150 states. Second operand 261 states. [2020-07-08 23:38:17,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:38:17,436 INFO L93 Difference]: Finished difference Result 261 states and 269 transitions. [2020-07-08 23:38:17,436 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 269 transitions. [2020-07-08 23:38:17,436 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:38:17,437 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:38:17,437 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 23:38:17,437 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 23:38:17,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-07-08 23:38:17,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 154 transitions. [2020-07-08 23:38:17,443 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 154 transitions. Word has length 35 [2020-07-08 23:38:17,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 23:38:17,443 INFO L479 AbstractCegarLoop]: Abstraction has 150 states and 154 transitions. [2020-07-08 23:38:17,443 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-08 23:38:17,444 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 150 states and 154 transitions. [2020-07-08 23:38:17,800 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 154 edges. 154 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:38:17,801 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 154 transitions. [2020-07-08 23:38:17,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-07-08 23:38:17,802 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 23:38:17,803 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 23:38:17,803 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-08 23:38:17,804 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 23:38:17,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 23:38:17,804 INFO L82 PathProgramCache]: Analyzing trace with hash 386303974, now seen corresponding path program 1 times [2020-07-08 23:38:17,805 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 23:38:17,805 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [236411059] [2020-07-08 23:38:17,805 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 23:38:17,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:17,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:17,901 INFO L280 TraceCheckUtils]: 0: Hoare triple {4503#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {4494#true} is VALID [2020-07-08 23:38:17,901 INFO L280 TraceCheckUtils]: 1: Hoare triple {4494#true} ~__return_334~0 := 0; {4494#true} is VALID [2020-07-08 23:38:17,902 INFO L280 TraceCheckUtils]: 2: Hoare triple {4494#true} assume true; {4494#true} is VALID [2020-07-08 23:38:17,902 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4494#true} {4494#true} #261#return; {4494#true} is VALID [2020-07-08 23:38:17,902 INFO L263 TraceCheckUtils]: 0: Hoare triple {4494#true} call ULTIMATE.init(); {4503#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} is VALID [2020-07-08 23:38:17,903 INFO L280 TraceCheckUtils]: 1: Hoare triple {4503#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {4494#true} is VALID [2020-07-08 23:38:17,903 INFO L280 TraceCheckUtils]: 2: Hoare triple {4494#true} ~__return_334~0 := 0; {4494#true} is VALID [2020-07-08 23:38:17,903 INFO L280 TraceCheckUtils]: 3: Hoare triple {4494#true} assume true; {4494#true} is VALID [2020-07-08 23:38:17,903 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4494#true} {4494#true} #261#return; {4494#true} is VALID [2020-07-08 23:38:17,903 INFO L263 TraceCheckUtils]: 5: Hoare triple {4494#true} call #t~ret3 := main(); {4494#true} is VALID [2020-07-08 23:38:17,904 INFO L280 TraceCheckUtils]: 6: Hoare triple {4494#true} havoc ~main__len~0; {4494#true} is VALID [2020-07-08 23:38:17,904 INFO L280 TraceCheckUtils]: 7: Hoare triple {4494#true} havoc ~main__i~0; {4494#true} is VALID [2020-07-08 23:38:17,904 INFO L280 TraceCheckUtils]: 8: Hoare triple {4494#true} havoc ~main__j~0; {4494#true} is VALID [2020-07-08 23:38:17,904 INFO L280 TraceCheckUtils]: 9: Hoare triple {4494#true} havoc ~main__bufsize~0; {4494#true} is VALID [2020-07-08 23:38:17,904 INFO L280 TraceCheckUtils]: 10: Hoare triple {4494#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {4494#true} is VALID [2020-07-08 23:38:17,905 INFO L280 TraceCheckUtils]: 11: Hoare triple {4494#true} ~main__bufsize~0 := #t~nondet0; {4494#true} is VALID [2020-07-08 23:38:17,905 INFO L280 TraceCheckUtils]: 12: Hoare triple {4494#true} havoc #t~nondet0; {4494#true} is VALID [2020-07-08 23:38:17,905 INFO L280 TraceCheckUtils]: 13: Hoare triple {4494#true} assume !(~main__bufsize~0 < 0); {4494#true} is VALID [2020-07-08 23:38:17,906 INFO L280 TraceCheckUtils]: 14: Hoare triple {4494#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {4494#true} is VALID [2020-07-08 23:38:17,906 INFO L280 TraceCheckUtils]: 15: Hoare triple {4494#true} ~main__len~0 := #t~nondet1; {4494#true} is VALID [2020-07-08 23:38:17,906 INFO L280 TraceCheckUtils]: 16: Hoare triple {4494#true} havoc #t~nondet1; {4494#true} is VALID [2020-07-08 23:38:17,906 INFO L280 TraceCheckUtils]: 17: Hoare triple {4494#true} ~main__limit~0 := ~main__bufsize~0 - 4; {4494#true} is VALID [2020-07-08 23:38:17,916 INFO L280 TraceCheckUtils]: 18: Hoare triple {4494#true} ~main__i~0 := 0; {4500#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:38:17,916 INFO L280 TraceCheckUtils]: 19: Hoare triple {4500#(<= 0 main_~main__i~0)} assume ~main__i~0 < ~main__len~0; {4500#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:38:17,917 INFO L280 TraceCheckUtils]: 20: Hoare triple {4500#(<= 0 main_~main__i~0)} ~main__j~0 := 0; {4500#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:38:17,918 INFO L280 TraceCheckUtils]: 21: Hoare triple {4500#(<= 0 main_~main__i~0)} assume ~main__i~0 < ~main__len~0; {4500#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:38:17,918 INFO L280 TraceCheckUtils]: 22: Hoare triple {4500#(<= 0 main_~main__i~0)} assume ~main__j~0 < ~main__limit~0; {4500#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:38:17,919 INFO L280 TraceCheckUtils]: 23: Hoare triple {4500#(<= 0 main_~main__i~0)} assume 1 + ~main__i~0 < ~main__len~0; {4500#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:38:17,919 INFO L280 TraceCheckUtils]: 24: Hoare triple {4500#(<= 0 main_~main__i~0)} havoc ~__tmp_1~0; {4500#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:38:17,920 INFO L280 TraceCheckUtils]: 25: Hoare triple {4500#(<= 0 main_~main__i~0)} ~__tmp_1~0 := (if 1 + ~main__i~0 < ~main__len~0 then 1 else 0); {4500#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:38:17,920 INFO L280 TraceCheckUtils]: 26: Hoare triple {4500#(<= 0 main_~main__i~0)} havoc ~__VERIFIER_assert__cond~0; {4500#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:38:17,921 INFO L280 TraceCheckUtils]: 27: Hoare triple {4500#(<= 0 main_~main__i~0)} ~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {4500#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:38:17,927 INFO L280 TraceCheckUtils]: 28: Hoare triple {4500#(<= 0 main_~main__i~0)} assume !(0 == ~__VERIFIER_assert__cond~0); {4500#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:38:17,927 INFO L280 TraceCheckUtils]: 29: Hoare triple {4500#(<= 0 main_~main__i~0)} havoc ~__tmp_2~0; {4500#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:38:17,928 INFO L280 TraceCheckUtils]: 30: Hoare triple {4500#(<= 0 main_~main__i~0)} ~__tmp_2~0 := (if 0 <= ~main__i~0 then 1 else 0); {4501#(not (= 0 main_~__tmp_2~0))} is VALID [2020-07-08 23:38:17,929 INFO L280 TraceCheckUtils]: 31: Hoare triple {4501#(not (= 0 main_~__tmp_2~0))} havoc ~__VERIFIER_assert__cond~1; {4501#(not (= 0 main_~__tmp_2~0))} is VALID [2020-07-08 23:38:17,930 INFO L280 TraceCheckUtils]: 32: Hoare triple {4501#(not (= 0 main_~__tmp_2~0))} ~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {4502#(not (= 0 main_~__VERIFIER_assert__cond~1))} is VALID [2020-07-08 23:38:17,931 INFO L280 TraceCheckUtils]: 33: Hoare triple {4502#(not (= 0 main_~__VERIFIER_assert__cond~1))} assume 0 == ~__VERIFIER_assert__cond~1; {4495#false} is VALID [2020-07-08 23:38:17,931 INFO L280 TraceCheckUtils]: 34: Hoare triple {4495#false} assume !false; {4495#false} is VALID [2020-07-08 23:38:17,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 23:38:17,935 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [236411059] [2020-07-08 23:38:17,935 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 23:38:17,935 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-08 23:38:17,935 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591722540] [2020-07-08 23:38:17,936 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-07-08 23:38:17,936 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 23:38:17,937 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-08 23:38:17,974 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:38:17,975 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-08 23:38:17,975 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 23:38:17,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-08 23:38:17,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-08 23:38:17,976 INFO L87 Difference]: Start difference. First operand 150 states and 154 transitions. Second operand 6 states. [2020-07-08 23:38:19,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:38:19,727 INFO L93 Difference]: Finished difference Result 192 states and 199 transitions. [2020-07-08 23:38:19,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-08 23:38:19,727 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-07-08 23:38:19,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 23:38:19,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 23:38:19,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 197 transitions. [2020-07-08 23:38:19,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 23:38:19,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 197 transitions. [2020-07-08 23:38:19,735 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 197 transitions. [2020-07-08 23:38:20,018 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 197 edges. 197 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:38:20,022 INFO L225 Difference]: With dead ends: 192 [2020-07-08 23:38:20,022 INFO L226 Difference]: Without dead ends: 190 [2020-07-08 23:38:20,023 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-07-08 23:38:20,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2020-07-08 23:38:20,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 148. [2020-07-08 23:38:20,884 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 23:38:20,884 INFO L82 GeneralOperation]: Start isEquivalent. First operand 190 states. Second operand 148 states. [2020-07-08 23:38:20,884 INFO L74 IsIncluded]: Start isIncluded. First operand 190 states. Second operand 148 states. [2020-07-08 23:38:20,885 INFO L87 Difference]: Start difference. First operand 190 states. Second operand 148 states. [2020-07-08 23:38:20,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:38:20,891 INFO L93 Difference]: Finished difference Result 190 states and 197 transitions. [2020-07-08 23:38:20,891 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 197 transitions. [2020-07-08 23:38:20,892 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:38:20,892 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:38:20,892 INFO L74 IsIncluded]: Start isIncluded. First operand 148 states. Second operand 190 states. [2020-07-08 23:38:20,892 INFO L87 Difference]: Start difference. First operand 148 states. Second operand 190 states. [2020-07-08 23:38:20,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:38:20,899 INFO L93 Difference]: Finished difference Result 190 states and 197 transitions. [2020-07-08 23:38:20,899 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 197 transitions. [2020-07-08 23:38:20,899 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:38:20,900 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:38:20,900 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 23:38:20,900 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 23:38:20,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-07-08 23:38:20,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 152 transitions. [2020-07-08 23:38:20,905 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 152 transitions. Word has length 35 [2020-07-08 23:38:20,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 23:38:20,905 INFO L479 AbstractCegarLoop]: Abstraction has 148 states and 152 transitions. [2020-07-08 23:38:20,905 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-08 23:38:20,906 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 148 states and 152 transitions. [2020-07-08 23:38:21,247 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 152 edges. 152 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:38:21,248 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 152 transitions. [2020-07-08 23:38:21,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-07-08 23:38:21,248 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 23:38:21,249 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 23:38:21,249 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-08 23:38:21,249 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 23:38:21,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 23:38:21,250 INFO L82 PathProgramCache]: Analyzing trace with hash 1765112685, now seen corresponding path program 1 times [2020-07-08 23:38:21,253 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 23:38:21,253 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1812039363] [2020-07-08 23:38:21,253 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 23:38:21,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:21,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:21,395 INFO L280 TraceCheckUtils]: 0: Hoare triple {5584#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {5574#true} is VALID [2020-07-08 23:38:21,396 INFO L280 TraceCheckUtils]: 1: Hoare triple {5574#true} ~__return_334~0 := 0; {5574#true} is VALID [2020-07-08 23:38:21,396 INFO L280 TraceCheckUtils]: 2: Hoare triple {5574#true} assume true; {5574#true} is VALID [2020-07-08 23:38:21,396 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {5574#true} {5574#true} #261#return; {5574#true} is VALID [2020-07-08 23:38:21,401 INFO L263 TraceCheckUtils]: 0: Hoare triple {5574#true} call ULTIMATE.init(); {5584#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} is VALID [2020-07-08 23:38:21,401 INFO L280 TraceCheckUtils]: 1: Hoare triple {5584#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {5574#true} is VALID [2020-07-08 23:38:21,401 INFO L280 TraceCheckUtils]: 2: Hoare triple {5574#true} ~__return_334~0 := 0; {5574#true} is VALID [2020-07-08 23:38:21,401 INFO L280 TraceCheckUtils]: 3: Hoare triple {5574#true} assume true; {5574#true} is VALID [2020-07-08 23:38:21,402 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {5574#true} {5574#true} #261#return; {5574#true} is VALID [2020-07-08 23:38:21,402 INFO L263 TraceCheckUtils]: 5: Hoare triple {5574#true} call #t~ret3 := main(); {5574#true} is VALID [2020-07-08 23:38:21,402 INFO L280 TraceCheckUtils]: 6: Hoare triple {5574#true} havoc ~main__len~0; {5574#true} is VALID [2020-07-08 23:38:21,402 INFO L280 TraceCheckUtils]: 7: Hoare triple {5574#true} havoc ~main__i~0; {5574#true} is VALID [2020-07-08 23:38:21,402 INFO L280 TraceCheckUtils]: 8: Hoare triple {5574#true} havoc ~main__j~0; {5574#true} is VALID [2020-07-08 23:38:21,402 INFO L280 TraceCheckUtils]: 9: Hoare triple {5574#true} havoc ~main__bufsize~0; {5574#true} is VALID [2020-07-08 23:38:21,403 INFO L280 TraceCheckUtils]: 10: Hoare triple {5574#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {5574#true} is VALID [2020-07-08 23:38:21,403 INFO L280 TraceCheckUtils]: 11: Hoare triple {5574#true} ~main__bufsize~0 := #t~nondet0; {5574#true} is VALID [2020-07-08 23:38:21,403 INFO L280 TraceCheckUtils]: 12: Hoare triple {5574#true} havoc #t~nondet0; {5574#true} is VALID [2020-07-08 23:38:21,403 INFO L280 TraceCheckUtils]: 13: Hoare triple {5574#true} assume !(~main__bufsize~0 < 0); {5574#true} is VALID [2020-07-08 23:38:21,403 INFO L280 TraceCheckUtils]: 14: Hoare triple {5574#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {5574#true} is VALID [2020-07-08 23:38:21,403 INFO L280 TraceCheckUtils]: 15: Hoare triple {5574#true} ~main__len~0 := #t~nondet1; {5574#true} is VALID [2020-07-08 23:38:21,404 INFO L280 TraceCheckUtils]: 16: Hoare triple {5574#true} havoc #t~nondet1; {5574#true} is VALID [2020-07-08 23:38:21,404 INFO L280 TraceCheckUtils]: 17: Hoare triple {5574#true} ~main__limit~0 := ~main__bufsize~0 - 4; {5580#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:38:21,405 INFO L280 TraceCheckUtils]: 18: Hoare triple {5580#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} ~main__i~0 := 0; {5580#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:38:21,405 INFO L280 TraceCheckUtils]: 19: Hoare triple {5580#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} assume ~main__i~0 < ~main__len~0; {5580#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:38:21,406 INFO L280 TraceCheckUtils]: 20: Hoare triple {5580#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} ~main__j~0 := 0; {5580#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:38:21,406 INFO L280 TraceCheckUtils]: 21: Hoare triple {5580#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} assume ~main__i~0 < ~main__len~0; {5580#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:38:21,407 INFO L280 TraceCheckUtils]: 22: Hoare triple {5580#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} assume ~main__j~0 < ~main__limit~0; {5581#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:38:21,407 INFO L280 TraceCheckUtils]: 23: Hoare triple {5581#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} assume !(1 + ~main__i~0 < ~main__len~0); {5581#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:38:21,408 INFO L280 TraceCheckUtils]: 24: Hoare triple {5581#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__tmp_3~0; {5581#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:38:21,408 INFO L280 TraceCheckUtils]: 25: Hoare triple {5581#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__tmp_3~0 := (if ~main__i~0 < ~main__len~0 then 1 else 0); {5581#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:38:21,408 INFO L280 TraceCheckUtils]: 26: Hoare triple {5581#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__VERIFIER_assert__cond~2; {5581#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:38:21,409 INFO L280 TraceCheckUtils]: 27: Hoare triple {5581#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {5581#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:38:21,416 INFO L280 TraceCheckUtils]: 28: Hoare triple {5581#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} assume !(0 == ~__VERIFIER_assert__cond~2); {5581#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:38:21,416 INFO L280 TraceCheckUtils]: 29: Hoare triple {5581#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__tmp_4~0; {5581#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:38:21,417 INFO L280 TraceCheckUtils]: 30: Hoare triple {5581#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__tmp_4~0 := (if 0 <= ~main__i~0 then 1 else 0); {5581#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:38:21,417 INFO L280 TraceCheckUtils]: 31: Hoare triple {5581#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__VERIFIER_assert__cond~3; {5581#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:38:21,418 INFO L280 TraceCheckUtils]: 32: Hoare triple {5581#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {5581#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:38:21,418 INFO L280 TraceCheckUtils]: 33: Hoare triple {5581#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} assume !(0 == ~__VERIFIER_assert__cond~3); {5581#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:38:21,419 INFO L280 TraceCheckUtils]: 34: Hoare triple {5581#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__tmp_5~0; {5581#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:38:21,419 INFO L280 TraceCheckUtils]: 35: Hoare triple {5581#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__tmp_5~0 := (if ~main__j~0 < ~main__bufsize~0 then 1 else 0); {5582#(not (= 0 main_~__tmp_5~0))} is VALID [2020-07-08 23:38:21,420 INFO L280 TraceCheckUtils]: 36: Hoare triple {5582#(not (= 0 main_~__tmp_5~0))} havoc ~__VERIFIER_assert__cond~4; {5582#(not (= 0 main_~__tmp_5~0))} is VALID [2020-07-08 23:38:21,421 INFO L280 TraceCheckUtils]: 37: Hoare triple {5582#(not (= 0 main_~__tmp_5~0))} ~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {5583#(not (= 0 main_~__VERIFIER_assert__cond~4))} is VALID [2020-07-08 23:38:21,421 INFO L280 TraceCheckUtils]: 38: Hoare triple {5583#(not (= 0 main_~__VERIFIER_assert__cond~4))} assume 0 == ~__VERIFIER_assert__cond~4; {5575#false} is VALID [2020-07-08 23:38:21,421 INFO L280 TraceCheckUtils]: 39: Hoare triple {5575#false} assume !false; {5575#false} is VALID [2020-07-08 23:38:21,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 23:38:21,426 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1812039363] [2020-07-08 23:38:21,426 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 23:38:21,426 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-08 23:38:21,426 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680680788] [2020-07-08 23:38:21,427 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 40 [2020-07-08 23:38:21,427 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 23:38:21,427 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-08 23:38:21,475 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 40 edges. 40 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:38:21,475 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-08 23:38:21,476 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 23:38:21,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-08 23:38:21,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-07-08 23:38:21,477 INFO L87 Difference]: Start difference. First operand 148 states and 152 transitions. Second operand 7 states. [2020-07-08 23:38:24,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:38:24,845 INFO L93 Difference]: Finished difference Result 262 states and 270 transitions. [2020-07-08 23:38:24,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-08 23:38:24,846 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 40 [2020-07-08 23:38:24,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 23:38:24,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-08 23:38:24,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 268 transitions. [2020-07-08 23:38:24,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-08 23:38:24,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 268 transitions. [2020-07-08 23:38:24,858 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 268 transitions. [2020-07-08 23:38:25,264 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 268 edges. 268 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:38:25,272 INFO L225 Difference]: With dead ends: 262 [2020-07-08 23:38:25,272 INFO L226 Difference]: Without dead ends: 260 [2020-07-08 23:38:25,273 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2020-07-08 23:38:25,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2020-07-08 23:38:26,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 146. [2020-07-08 23:38:26,249 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 23:38:26,249 INFO L82 GeneralOperation]: Start isEquivalent. First operand 260 states. Second operand 146 states. [2020-07-08 23:38:26,250 INFO L74 IsIncluded]: Start isIncluded. First operand 260 states. Second operand 146 states. [2020-07-08 23:38:26,250 INFO L87 Difference]: Start difference. First operand 260 states. Second operand 146 states. [2020-07-08 23:38:26,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:38:26,260 INFO L93 Difference]: Finished difference Result 260 states and 268 transitions. [2020-07-08 23:38:26,260 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 268 transitions. [2020-07-08 23:38:26,261 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:38:26,261 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:38:26,261 INFO L74 IsIncluded]: Start isIncluded. First operand 146 states. Second operand 260 states. [2020-07-08 23:38:26,262 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 260 states. [2020-07-08 23:38:26,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:38:26,271 INFO L93 Difference]: Finished difference Result 260 states and 268 transitions. [2020-07-08 23:38:26,271 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 268 transitions. [2020-07-08 23:38:26,272 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:38:26,272 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:38:26,272 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 23:38:26,273 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 23:38:26,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-07-08 23:38:26,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 150 transitions. [2020-07-08 23:38:26,278 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 150 transitions. Word has length 40 [2020-07-08 23:38:26,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 23:38:26,278 INFO L479 AbstractCegarLoop]: Abstraction has 146 states and 150 transitions. [2020-07-08 23:38:26,278 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-08 23:38:26,279 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 146 states and 150 transitions. [2020-07-08 23:38:26,753 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 150 edges. 150 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:38:26,754 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 150 transitions. [2020-07-08 23:38:26,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-07-08 23:38:26,754 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 23:38:26,755 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 23:38:26,755 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-08 23:38:26,755 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 23:38:26,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 23:38:26,756 INFO L82 PathProgramCache]: Analyzing trace with hash -1900232348, now seen corresponding path program 1 times [2020-07-08 23:38:26,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 23:38:26,758 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1647902145] [2020-07-08 23:38:26,758 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 23:38:26,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:26,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:26,852 INFO L280 TraceCheckUtils]: 0: Hoare triple {6944#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {6935#true} is VALID [2020-07-08 23:38:26,852 INFO L280 TraceCheckUtils]: 1: Hoare triple {6935#true} ~__return_334~0 := 0; {6935#true} is VALID [2020-07-08 23:38:26,852 INFO L280 TraceCheckUtils]: 2: Hoare triple {6935#true} assume true; {6935#true} is VALID [2020-07-08 23:38:26,853 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {6935#true} {6935#true} #261#return; {6935#true} is VALID [2020-07-08 23:38:26,855 INFO L263 TraceCheckUtils]: 0: Hoare triple {6935#true} call ULTIMATE.init(); {6944#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} is VALID [2020-07-08 23:38:26,855 INFO L280 TraceCheckUtils]: 1: Hoare triple {6944#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {6935#true} is VALID [2020-07-08 23:38:26,856 INFO L280 TraceCheckUtils]: 2: Hoare triple {6935#true} ~__return_334~0 := 0; {6935#true} is VALID [2020-07-08 23:38:26,856 INFO L280 TraceCheckUtils]: 3: Hoare triple {6935#true} assume true; {6935#true} is VALID [2020-07-08 23:38:26,856 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {6935#true} {6935#true} #261#return; {6935#true} is VALID [2020-07-08 23:38:26,856 INFO L263 TraceCheckUtils]: 5: Hoare triple {6935#true} call #t~ret3 := main(); {6935#true} is VALID [2020-07-08 23:38:26,857 INFO L280 TraceCheckUtils]: 6: Hoare triple {6935#true} havoc ~main__len~0; {6935#true} is VALID [2020-07-08 23:38:26,857 INFO L280 TraceCheckUtils]: 7: Hoare triple {6935#true} havoc ~main__i~0; {6935#true} is VALID [2020-07-08 23:38:26,857 INFO L280 TraceCheckUtils]: 8: Hoare triple {6935#true} havoc ~main__j~0; {6935#true} is VALID [2020-07-08 23:38:26,857 INFO L280 TraceCheckUtils]: 9: Hoare triple {6935#true} havoc ~main__bufsize~0; {6935#true} is VALID [2020-07-08 23:38:26,857 INFO L280 TraceCheckUtils]: 10: Hoare triple {6935#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {6935#true} is VALID [2020-07-08 23:38:26,858 INFO L280 TraceCheckUtils]: 11: Hoare triple {6935#true} ~main__bufsize~0 := #t~nondet0; {6935#true} is VALID [2020-07-08 23:38:26,858 INFO L280 TraceCheckUtils]: 12: Hoare triple {6935#true} havoc #t~nondet0; {6935#true} is VALID [2020-07-08 23:38:26,858 INFO L280 TraceCheckUtils]: 13: Hoare triple {6935#true} assume !(~main__bufsize~0 < 0); {6935#true} is VALID [2020-07-08 23:38:26,859 INFO L280 TraceCheckUtils]: 14: Hoare triple {6935#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {6935#true} is VALID [2020-07-08 23:38:26,859 INFO L280 TraceCheckUtils]: 15: Hoare triple {6935#true} ~main__len~0 := #t~nondet1; {6935#true} is VALID [2020-07-08 23:38:26,859 INFO L280 TraceCheckUtils]: 16: Hoare triple {6935#true} havoc #t~nondet1; {6935#true} is VALID [2020-07-08 23:38:26,860 INFO L280 TraceCheckUtils]: 17: Hoare triple {6935#true} ~main__limit~0 := ~main__bufsize~0 - 4; {6935#true} is VALID [2020-07-08 23:38:26,860 INFO L280 TraceCheckUtils]: 18: Hoare triple {6935#true} ~main__i~0 := 0; {6935#true} is VALID [2020-07-08 23:38:26,860 INFO L280 TraceCheckUtils]: 19: Hoare triple {6935#true} assume ~main__i~0 < ~main__len~0; {6935#true} is VALID [2020-07-08 23:38:26,861 INFO L280 TraceCheckUtils]: 20: Hoare triple {6935#true} ~main__j~0 := 0; {6941#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:38:26,864 INFO L280 TraceCheckUtils]: 21: Hoare triple {6941#(<= 0 main_~main__j~0)} assume ~main__i~0 < ~main__len~0; {6941#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:38:26,865 INFO L280 TraceCheckUtils]: 22: Hoare triple {6941#(<= 0 main_~main__j~0)} assume ~main__j~0 < ~main__limit~0; {6941#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:38:26,865 INFO L280 TraceCheckUtils]: 23: Hoare triple {6941#(<= 0 main_~main__j~0)} assume !(1 + ~main__i~0 < ~main__len~0); {6941#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:38:26,866 INFO L280 TraceCheckUtils]: 24: Hoare triple {6941#(<= 0 main_~main__j~0)} havoc ~__tmp_3~0; {6941#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:38:26,866 INFO L280 TraceCheckUtils]: 25: Hoare triple {6941#(<= 0 main_~main__j~0)} ~__tmp_3~0 := (if ~main__i~0 < ~main__len~0 then 1 else 0); {6941#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:38:26,867 INFO L280 TraceCheckUtils]: 26: Hoare triple {6941#(<= 0 main_~main__j~0)} havoc ~__VERIFIER_assert__cond~2; {6941#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:38:26,867 INFO L280 TraceCheckUtils]: 27: Hoare triple {6941#(<= 0 main_~main__j~0)} ~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {6941#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:38:26,868 INFO L280 TraceCheckUtils]: 28: Hoare triple {6941#(<= 0 main_~main__j~0)} assume !(0 == ~__VERIFIER_assert__cond~2); {6941#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:38:26,868 INFO L280 TraceCheckUtils]: 29: Hoare triple {6941#(<= 0 main_~main__j~0)} havoc ~__tmp_4~0; {6941#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:38:26,868 INFO L280 TraceCheckUtils]: 30: Hoare triple {6941#(<= 0 main_~main__j~0)} ~__tmp_4~0 := (if 0 <= ~main__i~0 then 1 else 0); {6941#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:38:26,869 INFO L280 TraceCheckUtils]: 31: Hoare triple {6941#(<= 0 main_~main__j~0)} havoc ~__VERIFIER_assert__cond~3; {6941#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:38:26,869 INFO L280 TraceCheckUtils]: 32: Hoare triple {6941#(<= 0 main_~main__j~0)} ~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {6941#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:38:26,870 INFO L280 TraceCheckUtils]: 33: Hoare triple {6941#(<= 0 main_~main__j~0)} assume !(0 == ~__VERIFIER_assert__cond~3); {6941#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:38:26,870 INFO L280 TraceCheckUtils]: 34: Hoare triple {6941#(<= 0 main_~main__j~0)} havoc ~__tmp_5~0; {6941#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:38:26,871 INFO L280 TraceCheckUtils]: 35: Hoare triple {6941#(<= 0 main_~main__j~0)} ~__tmp_5~0 := (if ~main__j~0 < ~main__bufsize~0 then 1 else 0); {6941#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:38:26,871 INFO L280 TraceCheckUtils]: 36: Hoare triple {6941#(<= 0 main_~main__j~0)} havoc ~__VERIFIER_assert__cond~4; {6941#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:38:26,872 INFO L280 TraceCheckUtils]: 37: Hoare triple {6941#(<= 0 main_~main__j~0)} ~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {6941#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:38:26,872 INFO L280 TraceCheckUtils]: 38: Hoare triple {6941#(<= 0 main_~main__j~0)} assume !(0 == ~__VERIFIER_assert__cond~4); {6941#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:38:26,873 INFO L280 TraceCheckUtils]: 39: Hoare triple {6941#(<= 0 main_~main__j~0)} havoc ~__tmp_6~0; {6941#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:38:26,873 INFO L280 TraceCheckUtils]: 40: Hoare triple {6941#(<= 0 main_~main__j~0)} ~__tmp_6~0 := (if 0 <= ~main__j~0 then 1 else 0); {6942#(not (= 0 main_~__tmp_6~0))} is VALID [2020-07-08 23:38:26,874 INFO L280 TraceCheckUtils]: 41: Hoare triple {6942#(not (= 0 main_~__tmp_6~0))} havoc ~__VERIFIER_assert__cond~5; {6942#(not (= 0 main_~__tmp_6~0))} is VALID [2020-07-08 23:38:26,874 INFO L280 TraceCheckUtils]: 42: Hoare triple {6942#(not (= 0 main_~__tmp_6~0))} ~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {6943#(not (= 0 main_~__VERIFIER_assert__cond~5))} is VALID [2020-07-08 23:38:26,875 INFO L280 TraceCheckUtils]: 43: Hoare triple {6943#(not (= 0 main_~__VERIFIER_assert__cond~5))} assume 0 == ~__VERIFIER_assert__cond~5; {6936#false} is VALID [2020-07-08 23:38:26,875 INFO L280 TraceCheckUtils]: 44: Hoare triple {6936#false} assume !false; {6936#false} is VALID [2020-07-08 23:38:26,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 23:38:26,878 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1647902145] [2020-07-08 23:38:26,878 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 23:38:26,878 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-08 23:38:26,878 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229892720] [2020-07-08 23:38:26,879 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 45 [2020-07-08 23:38:26,879 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 23:38:26,879 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-08 23:38:26,927 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 45 edges. 45 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:38:26,927 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-08 23:38:26,927 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 23:38:26,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-08 23:38:26,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-08 23:38:26,928 INFO L87 Difference]: Start difference. First operand 146 states and 150 transitions. Second operand 6 states. [2020-07-08 23:38:30,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:38:30,115 INFO L93 Difference]: Finished difference Result 267 states and 275 transitions. [2020-07-08 23:38:30,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-08 23:38:30,115 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 45 [2020-07-08 23:38:30,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 23:38:30,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 23:38:30,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 273 transitions. [2020-07-08 23:38:30,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 23:38:30,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 273 transitions. [2020-07-08 23:38:30,121 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 273 transitions. [2020-07-08 23:38:30,510 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 273 edges. 273 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:38:30,517 INFO L225 Difference]: With dead ends: 267 [2020-07-08 23:38:30,517 INFO L226 Difference]: Without dead ends: 265 [2020-07-08 23:38:30,518 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-07-08 23:38:30,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2020-07-08 23:38:31,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 144. [2020-07-08 23:38:31,671 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 23:38:31,671 INFO L82 GeneralOperation]: Start isEquivalent. First operand 265 states. Second operand 144 states. [2020-07-08 23:38:31,671 INFO L74 IsIncluded]: Start isIncluded. First operand 265 states. Second operand 144 states. [2020-07-08 23:38:31,672 INFO L87 Difference]: Start difference. First operand 265 states. Second operand 144 states. [2020-07-08 23:38:31,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:38:31,679 INFO L93 Difference]: Finished difference Result 265 states and 273 transitions. [2020-07-08 23:38:31,679 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 273 transitions. [2020-07-08 23:38:31,680 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:38:31,680 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:38:31,680 INFO L74 IsIncluded]: Start isIncluded. First operand 144 states. Second operand 265 states. [2020-07-08 23:38:31,680 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 265 states. [2020-07-08 23:38:31,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:38:31,688 INFO L93 Difference]: Finished difference Result 265 states and 273 transitions. [2020-07-08 23:38:31,688 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 273 transitions. [2020-07-08 23:38:31,689 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:38:31,689 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:38:31,690 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 23:38:31,690 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 23:38:31,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-07-08 23:38:31,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 148 transitions. [2020-07-08 23:38:31,694 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 148 transitions. Word has length 45 [2020-07-08 23:38:31,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 23:38:31,694 INFO L479 AbstractCegarLoop]: Abstraction has 144 states and 148 transitions. [2020-07-08 23:38:31,694 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-08 23:38:31,694 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 144 states and 148 transitions. [2020-07-08 23:38:32,172 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 148 edges. 148 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:38:32,173 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 148 transitions. [2020-07-08 23:38:32,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-07-08 23:38:32,174 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 23:38:32,174 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 23:38:32,174 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-08 23:38:32,175 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 23:38:32,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 23:38:32,175 INFO L82 PathProgramCache]: Analyzing trace with hash -1678067487, now seen corresponding path program 1 times [2020-07-08 23:38:32,175 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 23:38:32,176 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [96211775] [2020-07-08 23:38:32,176 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 23:38:32,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:32,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:32,314 INFO L280 TraceCheckUtils]: 0: Hoare triple {8318#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {8309#true} is VALID [2020-07-08 23:38:32,314 INFO L280 TraceCheckUtils]: 1: Hoare triple {8309#true} ~__return_334~0 := 0; {8309#true} is VALID [2020-07-08 23:38:32,314 INFO L280 TraceCheckUtils]: 2: Hoare triple {8309#true} assume true; {8309#true} is VALID [2020-07-08 23:38:32,314 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {8309#true} {8309#true} #261#return; {8309#true} is VALID [2020-07-08 23:38:32,315 INFO L263 TraceCheckUtils]: 0: Hoare triple {8309#true} call ULTIMATE.init(); {8318#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} is VALID [2020-07-08 23:38:32,315 INFO L280 TraceCheckUtils]: 1: Hoare triple {8318#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {8309#true} is VALID [2020-07-08 23:38:32,315 INFO L280 TraceCheckUtils]: 2: Hoare triple {8309#true} ~__return_334~0 := 0; {8309#true} is VALID [2020-07-08 23:38:32,316 INFO L280 TraceCheckUtils]: 3: Hoare triple {8309#true} assume true; {8309#true} is VALID [2020-07-08 23:38:32,316 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {8309#true} {8309#true} #261#return; {8309#true} is VALID [2020-07-08 23:38:32,316 INFO L263 TraceCheckUtils]: 5: Hoare triple {8309#true} call #t~ret3 := main(); {8309#true} is VALID [2020-07-08 23:38:32,316 INFO L280 TraceCheckUtils]: 6: Hoare triple {8309#true} havoc ~main__len~0; {8309#true} is VALID [2020-07-08 23:38:32,316 INFO L280 TraceCheckUtils]: 7: Hoare triple {8309#true} havoc ~main__i~0; {8309#true} is VALID [2020-07-08 23:38:32,316 INFO L280 TraceCheckUtils]: 8: Hoare triple {8309#true} havoc ~main__j~0; {8309#true} is VALID [2020-07-08 23:38:32,317 INFO L280 TraceCheckUtils]: 9: Hoare triple {8309#true} havoc ~main__bufsize~0; {8309#true} is VALID [2020-07-08 23:38:32,317 INFO L280 TraceCheckUtils]: 10: Hoare triple {8309#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {8309#true} is VALID [2020-07-08 23:38:32,317 INFO L280 TraceCheckUtils]: 11: Hoare triple {8309#true} ~main__bufsize~0 := #t~nondet0; {8309#true} is VALID [2020-07-08 23:38:32,317 INFO L280 TraceCheckUtils]: 12: Hoare triple {8309#true} havoc #t~nondet0; {8309#true} is VALID [2020-07-08 23:38:32,318 INFO L280 TraceCheckUtils]: 13: Hoare triple {8309#true} assume !(~main__bufsize~0 < 0); {8309#true} is VALID [2020-07-08 23:38:32,318 INFO L280 TraceCheckUtils]: 14: Hoare triple {8309#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {8309#true} is VALID [2020-07-08 23:38:32,318 INFO L280 TraceCheckUtils]: 15: Hoare triple {8309#true} ~main__len~0 := #t~nondet1; {8309#true} is VALID [2020-07-08 23:38:32,318 INFO L280 TraceCheckUtils]: 16: Hoare triple {8309#true} havoc #t~nondet1; {8309#true} is VALID [2020-07-08 23:38:32,319 INFO L280 TraceCheckUtils]: 17: Hoare triple {8309#true} ~main__limit~0 := ~main__bufsize~0 - 4; {8309#true} is VALID [2020-07-08 23:38:32,319 INFO L280 TraceCheckUtils]: 18: Hoare triple {8309#true} ~main__i~0 := 0; {8309#true} is VALID [2020-07-08 23:38:32,319 INFO L280 TraceCheckUtils]: 19: Hoare triple {8309#true} assume ~main__i~0 < ~main__len~0; {8315#(< main_~main__i~0 main_~main__len~0)} is VALID [2020-07-08 23:38:32,320 INFO L280 TraceCheckUtils]: 20: Hoare triple {8315#(< main_~main__i~0 main_~main__len~0)} ~main__j~0 := 0; {8315#(< main_~main__i~0 main_~main__len~0)} is VALID [2020-07-08 23:38:32,320 INFO L280 TraceCheckUtils]: 21: Hoare triple {8315#(< main_~main__i~0 main_~main__len~0)} assume ~main__i~0 < ~main__len~0; {8315#(< main_~main__i~0 main_~main__len~0)} is VALID [2020-07-08 23:38:32,321 INFO L280 TraceCheckUtils]: 22: Hoare triple {8315#(< main_~main__i~0 main_~main__len~0)} assume ~main__j~0 < ~main__limit~0; {8315#(< main_~main__i~0 main_~main__len~0)} is VALID [2020-07-08 23:38:32,321 INFO L280 TraceCheckUtils]: 23: Hoare triple {8315#(< main_~main__i~0 main_~main__len~0)} assume 1 + ~main__i~0 < ~main__len~0; {8315#(< main_~main__i~0 main_~main__len~0)} is VALID [2020-07-08 23:38:32,321 INFO L280 TraceCheckUtils]: 24: Hoare triple {8315#(< main_~main__i~0 main_~main__len~0)} havoc ~__tmp_1~0; {8315#(< main_~main__i~0 main_~main__len~0)} is VALID [2020-07-08 23:38:32,322 INFO L280 TraceCheckUtils]: 25: Hoare triple {8315#(< main_~main__i~0 main_~main__len~0)} ~__tmp_1~0 := (if 1 + ~main__i~0 < ~main__len~0 then 1 else 0); {8315#(< main_~main__i~0 main_~main__len~0)} is VALID [2020-07-08 23:38:32,322 INFO L280 TraceCheckUtils]: 26: Hoare triple {8315#(< main_~main__i~0 main_~main__len~0)} havoc ~__VERIFIER_assert__cond~0; {8315#(< main_~main__i~0 main_~main__len~0)} is VALID [2020-07-08 23:38:32,323 INFO L280 TraceCheckUtils]: 27: Hoare triple {8315#(< main_~main__i~0 main_~main__len~0)} ~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {8315#(< main_~main__i~0 main_~main__len~0)} is VALID [2020-07-08 23:38:32,323 INFO L280 TraceCheckUtils]: 28: Hoare triple {8315#(< main_~main__i~0 main_~main__len~0)} assume !(0 == ~__VERIFIER_assert__cond~0); {8315#(< main_~main__i~0 main_~main__len~0)} is VALID [2020-07-08 23:38:32,324 INFO L280 TraceCheckUtils]: 29: Hoare triple {8315#(< main_~main__i~0 main_~main__len~0)} havoc ~__tmp_2~0; {8315#(< main_~main__i~0 main_~main__len~0)} is VALID [2020-07-08 23:38:32,324 INFO L280 TraceCheckUtils]: 30: Hoare triple {8315#(< main_~main__i~0 main_~main__len~0)} ~__tmp_2~0 := (if 0 <= ~main__i~0 then 1 else 0); {8315#(< main_~main__i~0 main_~main__len~0)} is VALID [2020-07-08 23:38:32,325 INFO L280 TraceCheckUtils]: 31: Hoare triple {8315#(< main_~main__i~0 main_~main__len~0)} havoc ~__VERIFIER_assert__cond~1; {8315#(< main_~main__i~0 main_~main__len~0)} is VALID [2020-07-08 23:38:32,325 INFO L280 TraceCheckUtils]: 32: Hoare triple {8315#(< main_~main__i~0 main_~main__len~0)} ~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {8315#(< main_~main__i~0 main_~main__len~0)} is VALID [2020-07-08 23:38:32,325 INFO L280 TraceCheckUtils]: 33: Hoare triple {8315#(< main_~main__i~0 main_~main__len~0)} assume !(0 == ~__VERIFIER_assert__cond~1); {8315#(< main_~main__i~0 main_~main__len~0)} is VALID [2020-07-08 23:38:32,326 INFO L280 TraceCheckUtils]: 34: Hoare triple {8315#(< main_~main__i~0 main_~main__len~0)} havoc ~main____CPAchecker_TMP_0~0; {8315#(< main_~main__i~0 main_~main__len~0)} is VALID [2020-07-08 23:38:32,326 INFO L280 TraceCheckUtils]: 35: Hoare triple {8315#(< main_~main__i~0 main_~main__len~0)} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {8315#(< main_~main__i~0 main_~main__len~0)} is VALID [2020-07-08 23:38:32,328 INFO L280 TraceCheckUtils]: 36: Hoare triple {8315#(< main_~main__i~0 main_~main__len~0)} ~main____CPAchecker_TMP_0~0 := #t~nondet2; {8315#(< main_~main__i~0 main_~main__len~0)} is VALID [2020-07-08 23:38:32,328 INFO L280 TraceCheckUtils]: 37: Hoare triple {8315#(< main_~main__i~0 main_~main__len~0)} havoc #t~nondet2; {8315#(< main_~main__i~0 main_~main__len~0)} is VALID [2020-07-08 23:38:32,329 INFO L280 TraceCheckUtils]: 38: Hoare triple {8315#(< main_~main__i~0 main_~main__len~0)} assume !!(0 == ~main____CPAchecker_TMP_0~0); {8315#(< main_~main__i~0 main_~main__len~0)} is VALID [2020-07-08 23:38:32,329 INFO L280 TraceCheckUtils]: 39: Hoare triple {8315#(< main_~main__i~0 main_~main__len~0)} havoc ~__tmp_7~0; {8315#(< main_~main__i~0 main_~main__len~0)} is VALID [2020-07-08 23:38:32,330 INFO L280 TraceCheckUtils]: 40: Hoare triple {8315#(< main_~main__i~0 main_~main__len~0)} ~__tmp_7~0 := (if ~main__i~0 < ~main__len~0 then 1 else 0); {8316#(not (= 0 main_~__tmp_7~0))} is VALID [2020-07-08 23:38:32,331 INFO L280 TraceCheckUtils]: 41: Hoare triple {8316#(not (= 0 main_~__tmp_7~0))} havoc ~__VERIFIER_assert__cond~6; {8316#(not (= 0 main_~__tmp_7~0))} is VALID [2020-07-08 23:38:32,332 INFO L280 TraceCheckUtils]: 42: Hoare triple {8316#(not (= 0 main_~__tmp_7~0))} ~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {8317#(not (= 0 main_~__VERIFIER_assert__cond~6))} is VALID [2020-07-08 23:38:32,333 INFO L280 TraceCheckUtils]: 43: Hoare triple {8317#(not (= 0 main_~__VERIFIER_assert__cond~6))} assume 0 == ~__VERIFIER_assert__cond~6; {8310#false} is VALID [2020-07-08 23:38:32,333 INFO L280 TraceCheckUtils]: 44: Hoare triple {8310#false} assume !false; {8310#false} is VALID [2020-07-08 23:38:32,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 23:38:32,335 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [96211775] [2020-07-08 23:38:32,338 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 23:38:32,338 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-08 23:38:32,338 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582309565] [2020-07-08 23:38:32,340 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 45 [2020-07-08 23:38:32,341 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 23:38:32,341 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-08 23:38:32,391 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 45 edges. 45 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:38:32,392 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-08 23:38:32,392 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 23:38:32,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-08 23:38:32,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-08 23:38:32,393 INFO L87 Difference]: Start difference. First operand 144 states and 148 transitions. Second operand 6 states. [2020-07-08 23:38:34,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:38:34,929 INFO L93 Difference]: Finished difference Result 194 states and 202 transitions. [2020-07-08 23:38:34,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-08 23:38:34,930 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 45 [2020-07-08 23:38:34,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 23:38:34,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 23:38:34,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 202 transitions. [2020-07-08 23:38:34,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 23:38:34,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 202 transitions. [2020-07-08 23:38:34,935 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 202 transitions. [2020-07-08 23:38:35,239 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 202 edges. 202 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:38:35,245 INFO L225 Difference]: With dead ends: 194 [2020-07-08 23:38:35,246 INFO L226 Difference]: Without dead ends: 192 [2020-07-08 23:38:35,247 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-07-08 23:38:35,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2020-07-08 23:38:36,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 142. [2020-07-08 23:38:36,524 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 23:38:36,524 INFO L82 GeneralOperation]: Start isEquivalent. First operand 192 states. Second operand 142 states. [2020-07-08 23:38:36,524 INFO L74 IsIncluded]: Start isIncluded. First operand 192 states. Second operand 142 states. [2020-07-08 23:38:36,524 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 142 states. [2020-07-08 23:38:36,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:38:36,528 INFO L93 Difference]: Finished difference Result 192 states and 200 transitions. [2020-07-08 23:38:36,528 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 200 transitions. [2020-07-08 23:38:36,528 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:38:36,528 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:38:36,529 INFO L74 IsIncluded]: Start isIncluded. First operand 142 states. Second operand 192 states. [2020-07-08 23:38:36,529 INFO L87 Difference]: Start difference. First operand 142 states. Second operand 192 states. [2020-07-08 23:38:36,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:38:36,533 INFO L93 Difference]: Finished difference Result 192 states and 200 transitions. [2020-07-08 23:38:36,533 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 200 transitions. [2020-07-08 23:38:36,534 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:38:36,534 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:38:36,534 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 23:38:36,534 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 23:38:36,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-07-08 23:38:36,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 146 transitions. [2020-07-08 23:38:36,538 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 146 transitions. Word has length 45 [2020-07-08 23:38:36,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 23:38:36,539 INFO L479 AbstractCegarLoop]: Abstraction has 142 states and 146 transitions. [2020-07-08 23:38:36,539 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-08 23:38:36,539 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 142 states and 146 transitions. [2020-07-08 23:38:37,042 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 146 edges. 146 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:38:37,042 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 146 transitions. [2020-07-08 23:38:37,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-07-08 23:38:37,043 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 23:38:37,043 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 23:38:37,043 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-08 23:38:37,044 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 23:38:37,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 23:38:37,044 INFO L82 PathProgramCache]: Analyzing trace with hash 776869197, now seen corresponding path program 1 times [2020-07-08 23:38:37,045 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 23:38:37,045 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1042211344] [2020-07-08 23:38:37,045 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 23:38:37,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:37,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:37,251 INFO L280 TraceCheckUtils]: 0: Hoare triple {9398#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {9387#true} is VALID [2020-07-08 23:38:37,251 INFO L280 TraceCheckUtils]: 1: Hoare triple {9387#true} ~__return_334~0 := 0; {9387#true} is VALID [2020-07-08 23:38:37,251 INFO L280 TraceCheckUtils]: 2: Hoare triple {9387#true} assume true; {9387#true} is VALID [2020-07-08 23:38:37,251 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {9387#true} {9387#true} #261#return; {9387#true} is VALID [2020-07-08 23:38:37,252 INFO L263 TraceCheckUtils]: 0: Hoare triple {9387#true} call ULTIMATE.init(); {9398#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} is VALID [2020-07-08 23:38:37,252 INFO L280 TraceCheckUtils]: 1: Hoare triple {9398#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {9387#true} is VALID [2020-07-08 23:38:37,253 INFO L280 TraceCheckUtils]: 2: Hoare triple {9387#true} ~__return_334~0 := 0; {9387#true} is VALID [2020-07-08 23:38:37,253 INFO L280 TraceCheckUtils]: 3: Hoare triple {9387#true} assume true; {9387#true} is VALID [2020-07-08 23:38:37,254 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {9387#true} {9387#true} #261#return; {9387#true} is VALID [2020-07-08 23:38:37,254 INFO L263 TraceCheckUtils]: 5: Hoare triple {9387#true} call #t~ret3 := main(); {9387#true} is VALID [2020-07-08 23:38:37,254 INFO L280 TraceCheckUtils]: 6: Hoare triple {9387#true} havoc ~main__len~0; {9387#true} is VALID [2020-07-08 23:38:37,255 INFO L280 TraceCheckUtils]: 7: Hoare triple {9387#true} havoc ~main__i~0; {9387#true} is VALID [2020-07-08 23:38:37,255 INFO L280 TraceCheckUtils]: 8: Hoare triple {9387#true} havoc ~main__j~0; {9387#true} is VALID [2020-07-08 23:38:37,255 INFO L280 TraceCheckUtils]: 9: Hoare triple {9387#true} havoc ~main__bufsize~0; {9387#true} is VALID [2020-07-08 23:38:37,256 INFO L280 TraceCheckUtils]: 10: Hoare triple {9387#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {9387#true} is VALID [2020-07-08 23:38:37,256 INFO L280 TraceCheckUtils]: 11: Hoare triple {9387#true} ~main__bufsize~0 := #t~nondet0; {9387#true} is VALID [2020-07-08 23:38:37,256 INFO L280 TraceCheckUtils]: 12: Hoare triple {9387#true} havoc #t~nondet0; {9387#true} is VALID [2020-07-08 23:38:37,256 INFO L280 TraceCheckUtils]: 13: Hoare triple {9387#true} assume !(~main__bufsize~0 < 0); {9387#true} is VALID [2020-07-08 23:38:37,257 INFO L280 TraceCheckUtils]: 14: Hoare triple {9387#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {9387#true} is VALID [2020-07-08 23:38:37,257 INFO L280 TraceCheckUtils]: 15: Hoare triple {9387#true} ~main__len~0 := #t~nondet1; {9387#true} is VALID [2020-07-08 23:38:37,257 INFO L280 TraceCheckUtils]: 16: Hoare triple {9387#true} havoc #t~nondet1; {9387#true} is VALID [2020-07-08 23:38:37,257 INFO L280 TraceCheckUtils]: 17: Hoare triple {9387#true} ~main__limit~0 := ~main__bufsize~0 - 4; {9387#true} is VALID [2020-07-08 23:38:37,257 INFO L280 TraceCheckUtils]: 18: Hoare triple {9387#true} ~main__i~0 := 0; {9387#true} is VALID [2020-07-08 23:38:37,258 INFO L280 TraceCheckUtils]: 19: Hoare triple {9387#true} assume ~main__i~0 < ~main__len~0; {9387#true} is VALID [2020-07-08 23:38:37,258 INFO L280 TraceCheckUtils]: 20: Hoare triple {9387#true} ~main__j~0 := 0; {9387#true} is VALID [2020-07-08 23:38:37,258 INFO L280 TraceCheckUtils]: 21: Hoare triple {9387#true} assume ~main__i~0 < ~main__len~0; {9387#true} is VALID [2020-07-08 23:38:37,258 INFO L280 TraceCheckUtils]: 22: Hoare triple {9387#true} assume ~main__j~0 < ~main__limit~0; {9387#true} is VALID [2020-07-08 23:38:37,259 INFO L280 TraceCheckUtils]: 23: Hoare triple {9387#true} assume 1 + ~main__i~0 < ~main__len~0; {9387#true} is VALID [2020-07-08 23:38:37,259 INFO L280 TraceCheckUtils]: 24: Hoare triple {9387#true} havoc ~__tmp_1~0; {9387#true} is VALID [2020-07-08 23:38:37,259 INFO L280 TraceCheckUtils]: 25: Hoare triple {9387#true} ~__tmp_1~0 := (if 1 + ~main__i~0 < ~main__len~0 then 1 else 0); {9387#true} is VALID [2020-07-08 23:38:37,259 INFO L280 TraceCheckUtils]: 26: Hoare triple {9387#true} havoc ~__VERIFIER_assert__cond~0; {9387#true} is VALID [2020-07-08 23:38:37,259 INFO L280 TraceCheckUtils]: 27: Hoare triple {9387#true} ~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {9387#true} is VALID [2020-07-08 23:38:37,260 INFO L280 TraceCheckUtils]: 28: Hoare triple {9387#true} assume !(0 == ~__VERIFIER_assert__cond~0); {9387#true} is VALID [2020-07-08 23:38:37,260 INFO L280 TraceCheckUtils]: 29: Hoare triple {9387#true} havoc ~__tmp_2~0; {9387#true} is VALID [2020-07-08 23:38:37,261 INFO L280 TraceCheckUtils]: 30: Hoare triple {9387#true} ~__tmp_2~0 := (if 0 <= ~main__i~0 then 1 else 0); {9393#(or (and (<= 0 main_~main__i~0) (= 1 main_~__tmp_2~0)) (and (= 0 main_~__tmp_2~0) (< main_~main__i~0 0)))} is VALID [2020-07-08 23:38:37,261 INFO L280 TraceCheckUtils]: 31: Hoare triple {9393#(or (and (<= 0 main_~main__i~0) (= 1 main_~__tmp_2~0)) (and (= 0 main_~__tmp_2~0) (< main_~main__i~0 0)))} havoc ~__VERIFIER_assert__cond~1; {9393#(or (and (<= 0 main_~main__i~0) (= 1 main_~__tmp_2~0)) (and (= 0 main_~__tmp_2~0) (< main_~main__i~0 0)))} is VALID [2020-07-08 23:38:37,262 INFO L280 TraceCheckUtils]: 32: Hoare triple {9393#(or (and (<= 0 main_~main__i~0) (= 1 main_~__tmp_2~0)) (and (= 0 main_~__tmp_2~0) (< main_~main__i~0 0)))} ~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {9394#(or (and (= 0 main_~__VERIFIER_assert__cond~1) (< main_~main__i~0 0)) (and (<= 0 main_~main__i~0) (= 1 main_~__VERIFIER_assert__cond~1)))} is VALID [2020-07-08 23:38:37,263 INFO L280 TraceCheckUtils]: 33: Hoare triple {9394#(or (and (= 0 main_~__VERIFIER_assert__cond~1) (< main_~main__i~0 0)) (and (<= 0 main_~main__i~0) (= 1 main_~__VERIFIER_assert__cond~1)))} assume !(0 == ~__VERIFIER_assert__cond~1); {9395#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:38:37,263 INFO L280 TraceCheckUtils]: 34: Hoare triple {9395#(<= 0 main_~main__i~0)} havoc ~main____CPAchecker_TMP_0~0; {9395#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:38:37,264 INFO L280 TraceCheckUtils]: 35: Hoare triple {9395#(<= 0 main_~main__i~0)} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {9395#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:38:37,264 INFO L280 TraceCheckUtils]: 36: Hoare triple {9395#(<= 0 main_~main__i~0)} ~main____CPAchecker_TMP_0~0 := #t~nondet2; {9395#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:38:37,265 INFO L280 TraceCheckUtils]: 37: Hoare triple {9395#(<= 0 main_~main__i~0)} havoc #t~nondet2; {9395#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:38:37,266 INFO L280 TraceCheckUtils]: 38: Hoare triple {9395#(<= 0 main_~main__i~0)} assume !!(0 == ~main____CPAchecker_TMP_0~0); {9395#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:38:37,266 INFO L280 TraceCheckUtils]: 39: Hoare triple {9395#(<= 0 main_~main__i~0)} havoc ~__tmp_7~0; {9395#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:38:37,267 INFO L280 TraceCheckUtils]: 40: Hoare triple {9395#(<= 0 main_~main__i~0)} ~__tmp_7~0 := (if ~main__i~0 < ~main__len~0 then 1 else 0); {9395#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:38:37,267 INFO L280 TraceCheckUtils]: 41: Hoare triple {9395#(<= 0 main_~main__i~0)} havoc ~__VERIFIER_assert__cond~6; {9395#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:38:37,267 INFO L280 TraceCheckUtils]: 42: Hoare triple {9395#(<= 0 main_~main__i~0)} ~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {9395#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:38:37,268 INFO L280 TraceCheckUtils]: 43: Hoare triple {9395#(<= 0 main_~main__i~0)} assume !(0 == ~__VERIFIER_assert__cond~6); {9395#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:38:37,268 INFO L280 TraceCheckUtils]: 44: Hoare triple {9395#(<= 0 main_~main__i~0)} havoc ~__tmp_8~0; {9395#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:38:37,269 INFO L280 TraceCheckUtils]: 45: Hoare triple {9395#(<= 0 main_~main__i~0)} ~__tmp_8~0 := (if 0 <= ~main__i~0 then 1 else 0); {9396#(not (= 0 main_~__tmp_8~0))} is VALID [2020-07-08 23:38:37,269 INFO L280 TraceCheckUtils]: 46: Hoare triple {9396#(not (= 0 main_~__tmp_8~0))} havoc ~__VERIFIER_assert__cond~7; {9396#(not (= 0 main_~__tmp_8~0))} is VALID [2020-07-08 23:38:37,270 INFO L280 TraceCheckUtils]: 47: Hoare triple {9396#(not (= 0 main_~__tmp_8~0))} ~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {9397#(not (= 0 main_~__VERIFIER_assert__cond~7))} is VALID [2020-07-08 23:38:37,270 INFO L280 TraceCheckUtils]: 48: Hoare triple {9397#(not (= 0 main_~__VERIFIER_assert__cond~7))} assume 0 == ~__VERIFIER_assert__cond~7; {9388#false} is VALID [2020-07-08 23:38:37,270 INFO L280 TraceCheckUtils]: 49: Hoare triple {9388#false} assume !false; {9388#false} is VALID [2020-07-08 23:38:37,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 23:38:37,274 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1042211344] [2020-07-08 23:38:37,274 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 23:38:37,274 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-08 23:38:37,275 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617685627] [2020-07-08 23:38:37,275 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 50 [2020-07-08 23:38:37,276 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 23:38:37,276 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-08 23:38:37,328 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:38:37,328 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-08 23:38:37,328 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 23:38:37,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-08 23:38:37,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-07-08 23:38:37,329 INFO L87 Difference]: Start difference. First operand 142 states and 146 transitions. Second operand 8 states. [2020-07-08 23:38:41,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:38:41,372 INFO L93 Difference]: Finished difference Result 233 states and 244 transitions. [2020-07-08 23:38:41,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-08 23:38:41,372 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 50 [2020-07-08 23:38:41,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 23:38:41,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-08 23:38:41,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 241 transitions. [2020-07-08 23:38:41,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-08 23:38:41,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 241 transitions. [2020-07-08 23:38:41,379 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states and 241 transitions. [2020-07-08 23:38:41,765 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 241 edges. 241 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:38:41,770 INFO L225 Difference]: With dead ends: 233 [2020-07-08 23:38:41,770 INFO L226 Difference]: Without dead ends: 231 [2020-07-08 23:38:41,771 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2020-07-08 23:38:41,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2020-07-08 23:38:43,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 140. [2020-07-08 23:38:43,099 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 23:38:43,099 INFO L82 GeneralOperation]: Start isEquivalent. First operand 231 states. Second operand 140 states. [2020-07-08 23:38:43,099 INFO L74 IsIncluded]: Start isIncluded. First operand 231 states. Second operand 140 states. [2020-07-08 23:38:43,100 INFO L87 Difference]: Start difference. First operand 231 states. Second operand 140 states. [2020-07-08 23:38:43,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:38:43,106 INFO L93 Difference]: Finished difference Result 231 states and 242 transitions. [2020-07-08 23:38:43,107 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 242 transitions. [2020-07-08 23:38:43,107 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:38:43,107 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:38:43,108 INFO L74 IsIncluded]: Start isIncluded. First operand 140 states. Second operand 231 states. [2020-07-08 23:38:43,108 INFO L87 Difference]: Start difference. First operand 140 states. Second operand 231 states. [2020-07-08 23:38:43,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:38:43,113 INFO L93 Difference]: Finished difference Result 231 states and 242 transitions. [2020-07-08 23:38:43,113 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 242 transitions. [2020-07-08 23:38:43,113 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:38:43,114 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:38:43,114 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 23:38:43,114 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 23:38:43,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-07-08 23:38:43,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 144 transitions. [2020-07-08 23:38:43,117 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 144 transitions. Word has length 50 [2020-07-08 23:38:43,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 23:38:43,117 INFO L479 AbstractCegarLoop]: Abstraction has 140 states and 144 transitions. [2020-07-08 23:38:43,118 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-08 23:38:43,118 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 140 states and 144 transitions. [2020-07-08 23:38:43,613 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 144 edges. 144 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:38:43,613 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 144 transitions. [2020-07-08 23:38:43,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-07-08 23:38:43,614 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 23:38:43,615 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 23:38:43,615 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-08 23:38:43,615 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 23:38:43,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 23:38:43,616 INFO L82 PathProgramCache]: Analyzing trace with hash -828388948, now seen corresponding path program 1 times [2020-07-08 23:38:43,616 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 23:38:43,616 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [14494806] [2020-07-08 23:38:43,616 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 23:38:43,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:43,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:43,736 INFO L280 TraceCheckUtils]: 0: Hoare triple {10640#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {10630#true} is VALID [2020-07-08 23:38:43,737 INFO L280 TraceCheckUtils]: 1: Hoare triple {10630#true} ~__return_334~0 := 0; {10630#true} is VALID [2020-07-08 23:38:43,737 INFO L280 TraceCheckUtils]: 2: Hoare triple {10630#true} assume true; {10630#true} is VALID [2020-07-08 23:38:43,737 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {10630#true} {10630#true} #261#return; {10630#true} is VALID [2020-07-08 23:38:43,738 INFO L263 TraceCheckUtils]: 0: Hoare triple {10630#true} call ULTIMATE.init(); {10640#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} is VALID [2020-07-08 23:38:43,738 INFO L280 TraceCheckUtils]: 1: Hoare triple {10640#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {10630#true} is VALID [2020-07-08 23:38:43,739 INFO L280 TraceCheckUtils]: 2: Hoare triple {10630#true} ~__return_334~0 := 0; {10630#true} is VALID [2020-07-08 23:38:43,739 INFO L280 TraceCheckUtils]: 3: Hoare triple {10630#true} assume true; {10630#true} is VALID [2020-07-08 23:38:43,739 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {10630#true} {10630#true} #261#return; {10630#true} is VALID [2020-07-08 23:38:43,739 INFO L263 TraceCheckUtils]: 5: Hoare triple {10630#true} call #t~ret3 := main(); {10630#true} is VALID [2020-07-08 23:38:43,739 INFO L280 TraceCheckUtils]: 6: Hoare triple {10630#true} havoc ~main__len~0; {10630#true} is VALID [2020-07-08 23:38:43,740 INFO L280 TraceCheckUtils]: 7: Hoare triple {10630#true} havoc ~main__i~0; {10630#true} is VALID [2020-07-08 23:38:43,740 INFO L280 TraceCheckUtils]: 8: Hoare triple {10630#true} havoc ~main__j~0; {10630#true} is VALID [2020-07-08 23:38:43,740 INFO L280 TraceCheckUtils]: 9: Hoare triple {10630#true} havoc ~main__bufsize~0; {10630#true} is VALID [2020-07-08 23:38:43,740 INFO L280 TraceCheckUtils]: 10: Hoare triple {10630#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {10630#true} is VALID [2020-07-08 23:38:43,740 INFO L280 TraceCheckUtils]: 11: Hoare triple {10630#true} ~main__bufsize~0 := #t~nondet0; {10630#true} is VALID [2020-07-08 23:38:43,741 INFO L280 TraceCheckUtils]: 12: Hoare triple {10630#true} havoc #t~nondet0; {10630#true} is VALID [2020-07-08 23:38:43,741 INFO L280 TraceCheckUtils]: 13: Hoare triple {10630#true} assume !(~main__bufsize~0 < 0); {10630#true} is VALID [2020-07-08 23:38:43,741 INFO L280 TraceCheckUtils]: 14: Hoare triple {10630#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {10630#true} is VALID [2020-07-08 23:38:43,741 INFO L280 TraceCheckUtils]: 15: Hoare triple {10630#true} ~main__len~0 := #t~nondet1; {10630#true} is VALID [2020-07-08 23:38:43,741 INFO L280 TraceCheckUtils]: 16: Hoare triple {10630#true} havoc #t~nondet1; {10630#true} is VALID [2020-07-08 23:38:43,742 INFO L280 TraceCheckUtils]: 17: Hoare triple {10630#true} ~main__limit~0 := ~main__bufsize~0 - 4; {10636#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:38:43,743 INFO L280 TraceCheckUtils]: 18: Hoare triple {10636#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} ~main__i~0 := 0; {10636#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:38:43,743 INFO L280 TraceCheckUtils]: 19: Hoare triple {10636#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} assume ~main__i~0 < ~main__len~0; {10636#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:38:43,744 INFO L280 TraceCheckUtils]: 20: Hoare triple {10636#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} ~main__j~0 := 0; {10636#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:38:43,746 INFO L280 TraceCheckUtils]: 21: Hoare triple {10636#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} assume ~main__i~0 < ~main__len~0; {10636#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:38:43,749 INFO L280 TraceCheckUtils]: 22: Hoare triple {10636#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} assume ~main__j~0 < ~main__limit~0; {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:38:43,749 INFO L280 TraceCheckUtils]: 23: Hoare triple {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} assume 1 + ~main__i~0 < ~main__len~0; {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:38:43,750 INFO L280 TraceCheckUtils]: 24: Hoare triple {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__tmp_1~0; {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:38:43,751 INFO L280 TraceCheckUtils]: 25: Hoare triple {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__tmp_1~0 := (if 1 + ~main__i~0 < ~main__len~0 then 1 else 0); {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:38:43,751 INFO L280 TraceCheckUtils]: 26: Hoare triple {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__VERIFIER_assert__cond~0; {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:38:43,752 INFO L280 TraceCheckUtils]: 27: Hoare triple {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:38:43,752 INFO L280 TraceCheckUtils]: 28: Hoare triple {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} assume !(0 == ~__VERIFIER_assert__cond~0); {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:38:43,753 INFO L280 TraceCheckUtils]: 29: Hoare triple {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__tmp_2~0; {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:38:43,753 INFO L280 TraceCheckUtils]: 30: Hoare triple {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__tmp_2~0 := (if 0 <= ~main__i~0 then 1 else 0); {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:38:43,754 INFO L280 TraceCheckUtils]: 31: Hoare triple {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__VERIFIER_assert__cond~1; {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:38:43,754 INFO L280 TraceCheckUtils]: 32: Hoare triple {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:38:43,755 INFO L280 TraceCheckUtils]: 33: Hoare triple {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} assume !(0 == ~__VERIFIER_assert__cond~1); {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:38:43,755 INFO L280 TraceCheckUtils]: 34: Hoare triple {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~main____CPAchecker_TMP_0~0; {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:38:43,756 INFO L280 TraceCheckUtils]: 35: Hoare triple {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:38:43,757 INFO L280 TraceCheckUtils]: 36: Hoare triple {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~main____CPAchecker_TMP_0~0 := #t~nondet2; {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:38:43,757 INFO L280 TraceCheckUtils]: 37: Hoare triple {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc #t~nondet2; {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:38:43,758 INFO L280 TraceCheckUtils]: 38: Hoare triple {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} assume !!(0 == ~main____CPAchecker_TMP_0~0); {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:38:43,758 INFO L280 TraceCheckUtils]: 39: Hoare triple {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__tmp_7~0; {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:38:43,759 INFO L280 TraceCheckUtils]: 40: Hoare triple {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__tmp_7~0 := (if ~main__i~0 < ~main__len~0 then 1 else 0); {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:38:43,760 INFO L280 TraceCheckUtils]: 41: Hoare triple {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__VERIFIER_assert__cond~6; {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:38:43,760 INFO L280 TraceCheckUtils]: 42: Hoare triple {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:38:43,761 INFO L280 TraceCheckUtils]: 43: Hoare triple {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} assume !(0 == ~__VERIFIER_assert__cond~6); {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:38:43,761 INFO L280 TraceCheckUtils]: 44: Hoare triple {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__tmp_8~0; {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:38:43,762 INFO L280 TraceCheckUtils]: 45: Hoare triple {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__tmp_8~0 := (if 0 <= ~main__i~0 then 1 else 0); {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:38:43,763 INFO L280 TraceCheckUtils]: 46: Hoare triple {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__VERIFIER_assert__cond~7; {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:38:43,763 INFO L280 TraceCheckUtils]: 47: Hoare triple {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:38:43,764 INFO L280 TraceCheckUtils]: 48: Hoare triple {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} assume !(0 == ~__VERIFIER_assert__cond~7); {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:38:43,764 INFO L280 TraceCheckUtils]: 49: Hoare triple {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__tmp_9~0; {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:38:43,765 INFO L280 TraceCheckUtils]: 50: Hoare triple {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__tmp_9~0 := (if ~main__j~0 < ~main__bufsize~0 then 1 else 0); {10638#(not (= 0 main_~__tmp_9~0))} is VALID [2020-07-08 23:38:43,766 INFO L280 TraceCheckUtils]: 51: Hoare triple {10638#(not (= 0 main_~__tmp_9~0))} havoc ~__VERIFIER_assert__cond~8; {10638#(not (= 0 main_~__tmp_9~0))} is VALID [2020-07-08 23:38:43,766 INFO L280 TraceCheckUtils]: 52: Hoare triple {10638#(not (= 0 main_~__tmp_9~0))} ~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {10639#(not (= 0 main_~__VERIFIER_assert__cond~8))} is VALID [2020-07-08 23:38:43,767 INFO L280 TraceCheckUtils]: 53: Hoare triple {10639#(not (= 0 main_~__VERIFIER_assert__cond~8))} assume 0 == ~__VERIFIER_assert__cond~8; {10631#false} is VALID [2020-07-08 23:38:43,767 INFO L280 TraceCheckUtils]: 54: Hoare triple {10631#false} assume !false; {10631#false} is VALID [2020-07-08 23:38:43,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 23:38:43,771 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [14494806] [2020-07-08 23:38:43,771 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 23:38:43,772 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-08 23:38:43,772 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676985662] [2020-07-08 23:38:43,772 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2020-07-08 23:38:43,773 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 23:38:43,773 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-08 23:38:43,829 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 55 edges. 55 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:38:43,830 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-08 23:38:43,830 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 23:38:43,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-08 23:38:43,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-07-08 23:38:43,831 INFO L87 Difference]: Start difference. First operand 140 states and 144 transitions. Second operand 7 states. [2020-07-08 23:38:46,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:38:46,847 INFO L93 Difference]: Finished difference Result 198 states and 206 transitions. [2020-07-08 23:38:46,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-08 23:38:46,847 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2020-07-08 23:38:46,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 23:38:46,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-08 23:38:46,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 204 transitions. [2020-07-08 23:38:46,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-08 23:38:46,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 204 transitions. [2020-07-08 23:38:46,852 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 204 transitions. [2020-07-08 23:38:47,150 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 204 edges. 204 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:38:47,154 INFO L225 Difference]: With dead ends: 198 [2020-07-08 23:38:47,154 INFO L226 Difference]: Without dead ends: 196 [2020-07-08 23:38:47,155 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2020-07-08 23:38:47,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2020-07-08 23:38:48,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 138. [2020-07-08 23:38:48,612 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 23:38:48,612 INFO L82 GeneralOperation]: Start isEquivalent. First operand 196 states. Second operand 138 states. [2020-07-08 23:38:48,612 INFO L74 IsIncluded]: Start isIncluded. First operand 196 states. Second operand 138 states. [2020-07-08 23:38:48,612 INFO L87 Difference]: Start difference. First operand 196 states. Second operand 138 states. [2020-07-08 23:38:48,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:38:48,617 INFO L93 Difference]: Finished difference Result 196 states and 204 transitions. [2020-07-08 23:38:48,617 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 204 transitions. [2020-07-08 23:38:48,618 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:38:48,618 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:38:48,618 INFO L74 IsIncluded]: Start isIncluded. First operand 138 states. Second operand 196 states. [2020-07-08 23:38:48,618 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 196 states. [2020-07-08 23:38:48,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:38:48,621 INFO L93 Difference]: Finished difference Result 196 states and 204 transitions. [2020-07-08 23:38:48,621 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 204 transitions. [2020-07-08 23:38:48,622 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:38:48,622 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:38:48,622 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 23:38:48,622 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 23:38:48,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-07-08 23:38:48,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 142 transitions. [2020-07-08 23:38:48,624 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 142 transitions. Word has length 55 [2020-07-08 23:38:48,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 23:38:48,624 INFO L479 AbstractCegarLoop]: Abstraction has 138 states and 142 transitions. [2020-07-08 23:38:48,625 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-08 23:38:48,625 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 138 states and 142 transitions. [2020-07-08 23:38:49,173 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 142 edges. 142 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:38:49,173 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 142 transitions. [2020-07-08 23:38:49,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-08 23:38:49,175 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 23:38:49,175 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 23:38:49,175 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-08 23:38:49,175 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 23:38:49,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 23:38:49,176 INFO L82 PathProgramCache]: Analyzing trace with hash -2080692744, now seen corresponding path program 1 times [2020-07-08 23:38:49,176 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 23:38:49,176 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1393169424] [2020-07-08 23:38:49,177 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 23:38:49,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:49,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:49,293 INFO L280 TraceCheckUtils]: 0: Hoare triple {11728#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {11719#true} is VALID [2020-07-08 23:38:49,293 INFO L280 TraceCheckUtils]: 1: Hoare triple {11719#true} ~__return_334~0 := 0; {11719#true} is VALID [2020-07-08 23:38:49,293 INFO L280 TraceCheckUtils]: 2: Hoare triple {11719#true} assume true; {11719#true} is VALID [2020-07-08 23:38:49,294 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {11719#true} {11719#true} #261#return; {11719#true} is VALID [2020-07-08 23:38:49,294 INFO L263 TraceCheckUtils]: 0: Hoare triple {11719#true} call ULTIMATE.init(); {11728#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} is VALID [2020-07-08 23:38:49,295 INFO L280 TraceCheckUtils]: 1: Hoare triple {11728#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {11719#true} is VALID [2020-07-08 23:38:49,295 INFO L280 TraceCheckUtils]: 2: Hoare triple {11719#true} ~__return_334~0 := 0; {11719#true} is VALID [2020-07-08 23:38:49,295 INFO L280 TraceCheckUtils]: 3: Hoare triple {11719#true} assume true; {11719#true} is VALID [2020-07-08 23:38:49,295 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {11719#true} {11719#true} #261#return; {11719#true} is VALID [2020-07-08 23:38:49,296 INFO L263 TraceCheckUtils]: 5: Hoare triple {11719#true} call #t~ret3 := main(); {11719#true} is VALID [2020-07-08 23:38:49,296 INFO L280 TraceCheckUtils]: 6: Hoare triple {11719#true} havoc ~main__len~0; {11719#true} is VALID [2020-07-08 23:38:49,296 INFO L280 TraceCheckUtils]: 7: Hoare triple {11719#true} havoc ~main__i~0; {11719#true} is VALID [2020-07-08 23:38:49,296 INFO L280 TraceCheckUtils]: 8: Hoare triple {11719#true} havoc ~main__j~0; {11719#true} is VALID [2020-07-08 23:38:49,297 INFO L280 TraceCheckUtils]: 9: Hoare triple {11719#true} havoc ~main__bufsize~0; {11719#true} is VALID [2020-07-08 23:38:49,297 INFO L280 TraceCheckUtils]: 10: Hoare triple {11719#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {11719#true} is VALID [2020-07-08 23:38:49,297 INFO L280 TraceCheckUtils]: 11: Hoare triple {11719#true} ~main__bufsize~0 := #t~nondet0; {11719#true} is VALID [2020-07-08 23:38:49,297 INFO L280 TraceCheckUtils]: 12: Hoare triple {11719#true} havoc #t~nondet0; {11719#true} is VALID [2020-07-08 23:38:49,298 INFO L280 TraceCheckUtils]: 13: Hoare triple {11719#true} assume !(~main__bufsize~0 < 0); {11719#true} is VALID [2020-07-08 23:38:49,298 INFO L280 TraceCheckUtils]: 14: Hoare triple {11719#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {11719#true} is VALID [2020-07-08 23:38:49,298 INFO L280 TraceCheckUtils]: 15: Hoare triple {11719#true} ~main__len~0 := #t~nondet1; {11719#true} is VALID [2020-07-08 23:38:49,298 INFO L280 TraceCheckUtils]: 16: Hoare triple {11719#true} havoc #t~nondet1; {11719#true} is VALID [2020-07-08 23:38:49,298 INFO L280 TraceCheckUtils]: 17: Hoare triple {11719#true} ~main__limit~0 := ~main__bufsize~0 - 4; {11719#true} is VALID [2020-07-08 23:38:49,299 INFO L280 TraceCheckUtils]: 18: Hoare triple {11719#true} ~main__i~0 := 0; {11719#true} is VALID [2020-07-08 23:38:49,299 INFO L280 TraceCheckUtils]: 19: Hoare triple {11719#true} assume ~main__i~0 < ~main__len~0; {11719#true} is VALID [2020-07-08 23:38:49,300 INFO L280 TraceCheckUtils]: 20: Hoare triple {11719#true} ~main__j~0 := 0; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:38:49,300 INFO L280 TraceCheckUtils]: 21: Hoare triple {11725#(<= 0 main_~main__j~0)} assume ~main__i~0 < ~main__len~0; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:38:49,301 INFO L280 TraceCheckUtils]: 22: Hoare triple {11725#(<= 0 main_~main__j~0)} assume ~main__j~0 < ~main__limit~0; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:38:49,301 INFO L280 TraceCheckUtils]: 23: Hoare triple {11725#(<= 0 main_~main__j~0)} assume 1 + ~main__i~0 < ~main__len~0; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:38:49,302 INFO L280 TraceCheckUtils]: 24: Hoare triple {11725#(<= 0 main_~main__j~0)} havoc ~__tmp_1~0; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:38:49,302 INFO L280 TraceCheckUtils]: 25: Hoare triple {11725#(<= 0 main_~main__j~0)} ~__tmp_1~0 := (if 1 + ~main__i~0 < ~main__len~0 then 1 else 0); {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:38:49,303 INFO L280 TraceCheckUtils]: 26: Hoare triple {11725#(<= 0 main_~main__j~0)} havoc ~__VERIFIER_assert__cond~0; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:38:49,303 INFO L280 TraceCheckUtils]: 27: Hoare triple {11725#(<= 0 main_~main__j~0)} ~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:38:49,304 INFO L280 TraceCheckUtils]: 28: Hoare triple {11725#(<= 0 main_~main__j~0)} assume !(0 == ~__VERIFIER_assert__cond~0); {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:38:49,305 INFO L280 TraceCheckUtils]: 29: Hoare triple {11725#(<= 0 main_~main__j~0)} havoc ~__tmp_2~0; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:38:49,305 INFO L280 TraceCheckUtils]: 30: Hoare triple {11725#(<= 0 main_~main__j~0)} ~__tmp_2~0 := (if 0 <= ~main__i~0 then 1 else 0); {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:38:49,306 INFO L280 TraceCheckUtils]: 31: Hoare triple {11725#(<= 0 main_~main__j~0)} havoc ~__VERIFIER_assert__cond~1; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:38:49,306 INFO L280 TraceCheckUtils]: 32: Hoare triple {11725#(<= 0 main_~main__j~0)} ~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:38:49,307 INFO L280 TraceCheckUtils]: 33: Hoare triple {11725#(<= 0 main_~main__j~0)} assume !(0 == ~__VERIFIER_assert__cond~1); {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:38:49,308 INFO L280 TraceCheckUtils]: 34: Hoare triple {11725#(<= 0 main_~main__j~0)} havoc ~main____CPAchecker_TMP_0~0; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:38:49,308 INFO L280 TraceCheckUtils]: 35: Hoare triple {11725#(<= 0 main_~main__j~0)} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:38:49,309 INFO L280 TraceCheckUtils]: 36: Hoare triple {11725#(<= 0 main_~main__j~0)} ~main____CPAchecker_TMP_0~0 := #t~nondet2; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:38:49,309 INFO L280 TraceCheckUtils]: 37: Hoare triple {11725#(<= 0 main_~main__j~0)} havoc #t~nondet2; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:38:49,309 INFO L280 TraceCheckUtils]: 38: Hoare triple {11725#(<= 0 main_~main__j~0)} assume !!(0 == ~main____CPAchecker_TMP_0~0); {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:38:49,310 INFO L280 TraceCheckUtils]: 39: Hoare triple {11725#(<= 0 main_~main__j~0)} havoc ~__tmp_7~0; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:38:49,310 INFO L280 TraceCheckUtils]: 40: Hoare triple {11725#(<= 0 main_~main__j~0)} ~__tmp_7~0 := (if ~main__i~0 < ~main__len~0 then 1 else 0); {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:38:49,311 INFO L280 TraceCheckUtils]: 41: Hoare triple {11725#(<= 0 main_~main__j~0)} havoc ~__VERIFIER_assert__cond~6; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:38:49,311 INFO L280 TraceCheckUtils]: 42: Hoare triple {11725#(<= 0 main_~main__j~0)} ~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:38:49,312 INFO L280 TraceCheckUtils]: 43: Hoare triple {11725#(<= 0 main_~main__j~0)} assume !(0 == ~__VERIFIER_assert__cond~6); {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:38:49,312 INFO L280 TraceCheckUtils]: 44: Hoare triple {11725#(<= 0 main_~main__j~0)} havoc ~__tmp_8~0; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:38:49,313 INFO L280 TraceCheckUtils]: 45: Hoare triple {11725#(<= 0 main_~main__j~0)} ~__tmp_8~0 := (if 0 <= ~main__i~0 then 1 else 0); {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:38:49,313 INFO L280 TraceCheckUtils]: 46: Hoare triple {11725#(<= 0 main_~main__j~0)} havoc ~__VERIFIER_assert__cond~7; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:38:49,314 INFO L280 TraceCheckUtils]: 47: Hoare triple {11725#(<= 0 main_~main__j~0)} ~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:38:49,315 INFO L280 TraceCheckUtils]: 48: Hoare triple {11725#(<= 0 main_~main__j~0)} assume !(0 == ~__VERIFIER_assert__cond~7); {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:38:49,315 INFO L280 TraceCheckUtils]: 49: Hoare triple {11725#(<= 0 main_~main__j~0)} havoc ~__tmp_9~0; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:38:49,316 INFO L280 TraceCheckUtils]: 50: Hoare triple {11725#(<= 0 main_~main__j~0)} ~__tmp_9~0 := (if ~main__j~0 < ~main__bufsize~0 then 1 else 0); {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:38:49,317 INFO L280 TraceCheckUtils]: 51: Hoare triple {11725#(<= 0 main_~main__j~0)} havoc ~__VERIFIER_assert__cond~8; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:38:49,317 INFO L280 TraceCheckUtils]: 52: Hoare triple {11725#(<= 0 main_~main__j~0)} ~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:38:49,318 INFO L280 TraceCheckUtils]: 53: Hoare triple {11725#(<= 0 main_~main__j~0)} assume !(0 == ~__VERIFIER_assert__cond~8); {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:38:49,318 INFO L280 TraceCheckUtils]: 54: Hoare triple {11725#(<= 0 main_~main__j~0)} havoc ~__tmp_10~0; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:38:49,318 INFO L280 TraceCheckUtils]: 55: Hoare triple {11725#(<= 0 main_~main__j~0)} ~__tmp_10~0 := (if 0 <= ~main__j~0 then 1 else 0); {11726#(not (= 0 main_~__tmp_10~0))} is VALID [2020-07-08 23:38:49,319 INFO L280 TraceCheckUtils]: 56: Hoare triple {11726#(not (= 0 main_~__tmp_10~0))} havoc ~__VERIFIER_assert__cond~9; {11726#(not (= 0 main_~__tmp_10~0))} is VALID [2020-07-08 23:38:49,320 INFO L280 TraceCheckUtils]: 57: Hoare triple {11726#(not (= 0 main_~__tmp_10~0))} ~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {11727#(not (= 0 main_~__VERIFIER_assert__cond~9))} is VALID [2020-07-08 23:38:49,320 INFO L280 TraceCheckUtils]: 58: Hoare triple {11727#(not (= 0 main_~__VERIFIER_assert__cond~9))} assume 0 == ~__VERIFIER_assert__cond~9; {11720#false} is VALID [2020-07-08 23:38:49,320 INFO L280 TraceCheckUtils]: 59: Hoare triple {11720#false} assume !false; {11720#false} is VALID [2020-07-08 23:38:49,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 23:38:49,323 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1393169424] [2020-07-08 23:38:49,323 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 23:38:49,324 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-08 23:38:49,324 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423998621] [2020-07-08 23:38:49,324 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2020-07-08 23:38:49,325 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 23:38:49,325 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-08 23:38:49,390 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 60 edges. 60 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:38:49,391 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-08 23:38:49,391 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 23:38:49,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-08 23:38:49,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-08 23:38:49,392 INFO L87 Difference]: Start difference. First operand 138 states and 142 transitions. Second operand 6 states. [2020-07-08 23:38:52,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:38:52,416 INFO L93 Difference]: Finished difference Result 203 states and 211 transitions. [2020-07-08 23:38:52,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-08 23:38:52,416 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2020-07-08 23:38:52,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 23:38:52,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 23:38:52,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 209 transitions. [2020-07-08 23:38:52,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 23:38:52,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 209 transitions. [2020-07-08 23:38:52,421 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 209 transitions. [2020-07-08 23:38:52,700 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 209 edges. 209 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:38:52,704 INFO L225 Difference]: With dead ends: 203 [2020-07-08 23:38:52,704 INFO L226 Difference]: Without dead ends: 201 [2020-07-08 23:38:52,705 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-07-08 23:38:52,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2020-07-08 23:38:54,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 136. [2020-07-08 23:38:54,154 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 23:38:54,154 INFO L82 GeneralOperation]: Start isEquivalent. First operand 201 states. Second operand 136 states. [2020-07-08 23:38:54,154 INFO L74 IsIncluded]: Start isIncluded. First operand 201 states. Second operand 136 states. [2020-07-08 23:38:54,154 INFO L87 Difference]: Start difference. First operand 201 states. Second operand 136 states. [2020-07-08 23:38:54,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:38:54,158 INFO L93 Difference]: Finished difference Result 201 states and 209 transitions. [2020-07-08 23:38:54,158 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 209 transitions. [2020-07-08 23:38:54,159 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:38:54,159 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:38:54,159 INFO L74 IsIncluded]: Start isIncluded. First operand 136 states. Second operand 201 states. [2020-07-08 23:38:54,159 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 201 states. [2020-07-08 23:38:54,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:38:54,164 INFO L93 Difference]: Finished difference Result 201 states and 209 transitions. [2020-07-08 23:38:54,164 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 209 transitions. [2020-07-08 23:38:54,165 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:38:54,165 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:38:54,165 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 23:38:54,165 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 23:38:54,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-07-08 23:38:54,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 140 transitions. [2020-07-08 23:38:54,167 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 140 transitions. Word has length 60 [2020-07-08 23:38:54,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 23:38:54,168 INFO L479 AbstractCegarLoop]: Abstraction has 136 states and 140 transitions. [2020-07-08 23:38:54,168 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-08 23:38:54,168 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 136 states and 140 transitions. [2020-07-08 23:38:54,704 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 140 edges. 140 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:38:54,705 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 140 transitions. [2020-07-08 23:38:54,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-07-08 23:38:54,706 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 23:38:54,706 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 23:38:54,706 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-08 23:38:54,707 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 23:38:54,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 23:38:54,707 INFO L82 PathProgramCache]: Analyzing trace with hash 1555133305, now seen corresponding path program 1 times [2020-07-08 23:38:54,708 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 23:38:54,708 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [274840] [2020-07-08 23:38:54,708 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 23:38:54,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:54,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:54,823 INFO L280 TraceCheckUtils]: 0: Hoare triple {12831#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {12821#true} is VALID [2020-07-08 23:38:54,823 INFO L280 TraceCheckUtils]: 1: Hoare triple {12821#true} ~__return_334~0 := 0; {12821#true} is VALID [2020-07-08 23:38:54,823 INFO L280 TraceCheckUtils]: 2: Hoare triple {12821#true} assume true; {12821#true} is VALID [2020-07-08 23:38:54,824 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {12821#true} {12821#true} #261#return; {12821#true} is VALID [2020-07-08 23:38:54,825 INFO L263 TraceCheckUtils]: 0: Hoare triple {12821#true} call ULTIMATE.init(); {12831#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} is VALID [2020-07-08 23:38:54,825 INFO L280 TraceCheckUtils]: 1: Hoare triple {12831#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {12821#true} is VALID [2020-07-08 23:38:54,825 INFO L280 TraceCheckUtils]: 2: Hoare triple {12821#true} ~__return_334~0 := 0; {12821#true} is VALID [2020-07-08 23:38:54,826 INFO L280 TraceCheckUtils]: 3: Hoare triple {12821#true} assume true; {12821#true} is VALID [2020-07-08 23:38:54,826 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {12821#true} {12821#true} #261#return; {12821#true} is VALID [2020-07-08 23:38:54,826 INFO L263 TraceCheckUtils]: 5: Hoare triple {12821#true} call #t~ret3 := main(); {12821#true} is VALID [2020-07-08 23:38:54,826 INFO L280 TraceCheckUtils]: 6: Hoare triple {12821#true} havoc ~main__len~0; {12821#true} is VALID [2020-07-08 23:38:54,827 INFO L280 TraceCheckUtils]: 7: Hoare triple {12821#true} havoc ~main__i~0; {12821#true} is VALID [2020-07-08 23:38:54,827 INFO L280 TraceCheckUtils]: 8: Hoare triple {12821#true} havoc ~main__j~0; {12821#true} is VALID [2020-07-08 23:38:54,827 INFO L280 TraceCheckUtils]: 9: Hoare triple {12821#true} havoc ~main__bufsize~0; {12821#true} is VALID [2020-07-08 23:38:54,827 INFO L280 TraceCheckUtils]: 10: Hoare triple {12821#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {12821#true} is VALID [2020-07-08 23:38:54,828 INFO L280 TraceCheckUtils]: 11: Hoare triple {12821#true} ~main__bufsize~0 := #t~nondet0; {12821#true} is VALID [2020-07-08 23:38:54,828 INFO L280 TraceCheckUtils]: 12: Hoare triple {12821#true} havoc #t~nondet0; {12821#true} is VALID [2020-07-08 23:38:54,828 INFO L280 TraceCheckUtils]: 13: Hoare triple {12821#true} assume !(~main__bufsize~0 < 0); {12821#true} is VALID [2020-07-08 23:38:54,828 INFO L280 TraceCheckUtils]: 14: Hoare triple {12821#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {12821#true} is VALID [2020-07-08 23:38:54,828 INFO L280 TraceCheckUtils]: 15: Hoare triple {12821#true} ~main__len~0 := #t~nondet1; {12821#true} is VALID [2020-07-08 23:38:54,829 INFO L280 TraceCheckUtils]: 16: Hoare triple {12821#true} havoc #t~nondet1; {12821#true} is VALID [2020-07-08 23:38:54,829 INFO L280 TraceCheckUtils]: 17: Hoare triple {12821#true} ~main__limit~0 := ~main__bufsize~0 - 4; {12821#true} is VALID [2020-07-08 23:38:54,829 INFO L280 TraceCheckUtils]: 18: Hoare triple {12821#true} ~main__i~0 := 0; {12821#true} is VALID [2020-07-08 23:38:54,829 INFO L280 TraceCheckUtils]: 19: Hoare triple {12821#true} assume ~main__i~0 < ~main__len~0; {12821#true} is VALID [2020-07-08 23:38:54,830 INFO L280 TraceCheckUtils]: 20: Hoare triple {12821#true} ~main__j~0 := 0; {12821#true} is VALID [2020-07-08 23:38:54,830 INFO L280 TraceCheckUtils]: 21: Hoare triple {12821#true} assume ~main__i~0 < ~main__len~0; {12821#true} is VALID [2020-07-08 23:38:54,830 INFO L280 TraceCheckUtils]: 22: Hoare triple {12821#true} assume ~main__j~0 < ~main__limit~0; {12821#true} is VALID [2020-07-08 23:38:54,831 INFO L280 TraceCheckUtils]: 23: Hoare triple {12821#true} assume 1 + ~main__i~0 < ~main__len~0; {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} is VALID [2020-07-08 23:38:54,831 INFO L280 TraceCheckUtils]: 24: Hoare triple {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} havoc ~__tmp_1~0; {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} is VALID [2020-07-08 23:38:54,832 INFO L280 TraceCheckUtils]: 25: Hoare triple {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} ~__tmp_1~0 := (if 1 + ~main__i~0 < ~main__len~0 then 1 else 0); {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} is VALID [2020-07-08 23:38:54,832 INFO L280 TraceCheckUtils]: 26: Hoare triple {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} havoc ~__VERIFIER_assert__cond~0; {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} is VALID [2020-07-08 23:38:54,833 INFO L280 TraceCheckUtils]: 27: Hoare triple {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} ~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} is VALID [2020-07-08 23:38:54,833 INFO L280 TraceCheckUtils]: 28: Hoare triple {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} assume !(0 == ~__VERIFIER_assert__cond~0); {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} is VALID [2020-07-08 23:38:54,834 INFO L280 TraceCheckUtils]: 29: Hoare triple {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} havoc ~__tmp_2~0; {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} is VALID [2020-07-08 23:38:54,835 INFO L280 TraceCheckUtils]: 30: Hoare triple {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} ~__tmp_2~0 := (if 0 <= ~main__i~0 then 1 else 0); {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} is VALID [2020-07-08 23:38:54,835 INFO L280 TraceCheckUtils]: 31: Hoare triple {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} havoc ~__VERIFIER_assert__cond~1; {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} is VALID [2020-07-08 23:38:54,836 INFO L280 TraceCheckUtils]: 32: Hoare triple {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} ~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} is VALID [2020-07-08 23:38:54,837 INFO L280 TraceCheckUtils]: 33: Hoare triple {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} assume !(0 == ~__VERIFIER_assert__cond~1); {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} is VALID [2020-07-08 23:38:54,837 INFO L280 TraceCheckUtils]: 34: Hoare triple {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} havoc ~main____CPAchecker_TMP_0~0; {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} is VALID [2020-07-08 23:38:54,838 INFO L280 TraceCheckUtils]: 35: Hoare triple {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} is VALID [2020-07-08 23:38:54,838 INFO L280 TraceCheckUtils]: 36: Hoare triple {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} ~main____CPAchecker_TMP_0~0 := #t~nondet2; {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} is VALID [2020-07-08 23:38:54,839 INFO L280 TraceCheckUtils]: 37: Hoare triple {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} havoc #t~nondet2; {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} is VALID [2020-07-08 23:38:54,840 INFO L280 TraceCheckUtils]: 38: Hoare triple {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} assume !!(0 == ~main____CPAchecker_TMP_0~0); {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} is VALID [2020-07-08 23:38:54,840 INFO L280 TraceCheckUtils]: 39: Hoare triple {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} havoc ~__tmp_7~0; {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} is VALID [2020-07-08 23:38:54,841 INFO L280 TraceCheckUtils]: 40: Hoare triple {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} ~__tmp_7~0 := (if ~main__i~0 < ~main__len~0 then 1 else 0); {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} is VALID [2020-07-08 23:38:54,841 INFO L280 TraceCheckUtils]: 41: Hoare triple {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} havoc ~__VERIFIER_assert__cond~6; {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} is VALID [2020-07-08 23:38:54,842 INFO L280 TraceCheckUtils]: 42: Hoare triple {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} ~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} is VALID [2020-07-08 23:38:54,862 INFO L280 TraceCheckUtils]: 43: Hoare triple {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} assume !(0 == ~__VERIFIER_assert__cond~6); {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} is VALID [2020-07-08 23:38:54,871 INFO L280 TraceCheckUtils]: 44: Hoare triple {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} havoc ~__tmp_8~0; {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} is VALID [2020-07-08 23:38:54,875 INFO L280 TraceCheckUtils]: 45: Hoare triple {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} ~__tmp_8~0 := (if 0 <= ~main__i~0 then 1 else 0); {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} is VALID [2020-07-08 23:38:54,875 INFO L280 TraceCheckUtils]: 46: Hoare triple {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} havoc ~__VERIFIER_assert__cond~7; {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} is VALID [2020-07-08 23:38:54,876 INFO L280 TraceCheckUtils]: 47: Hoare triple {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} ~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} is VALID [2020-07-08 23:38:54,877 INFO L280 TraceCheckUtils]: 48: Hoare triple {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} assume !(0 == ~__VERIFIER_assert__cond~7); {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} is VALID [2020-07-08 23:38:54,877 INFO L280 TraceCheckUtils]: 49: Hoare triple {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} havoc ~__tmp_9~0; {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} is VALID [2020-07-08 23:38:54,878 INFO L280 TraceCheckUtils]: 50: Hoare triple {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} ~__tmp_9~0 := (if ~main__j~0 < ~main__bufsize~0 then 1 else 0); {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} is VALID [2020-07-08 23:38:54,878 INFO L280 TraceCheckUtils]: 51: Hoare triple {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} havoc ~__VERIFIER_assert__cond~8; {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} is VALID [2020-07-08 23:38:54,880 INFO L280 TraceCheckUtils]: 52: Hoare triple {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} ~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} is VALID [2020-07-08 23:38:54,881 INFO L280 TraceCheckUtils]: 53: Hoare triple {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} assume !(0 == ~__VERIFIER_assert__cond~8); {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} is VALID [2020-07-08 23:38:54,882 INFO L280 TraceCheckUtils]: 54: Hoare triple {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} havoc ~__tmp_10~0; {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} is VALID [2020-07-08 23:38:54,883 INFO L280 TraceCheckUtils]: 55: Hoare triple {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} ~__tmp_10~0 := (if 0 <= ~main__j~0 then 1 else 0); {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} is VALID [2020-07-08 23:38:54,883 INFO L280 TraceCheckUtils]: 56: Hoare triple {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} havoc ~__VERIFIER_assert__cond~9; {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} is VALID [2020-07-08 23:38:54,884 INFO L280 TraceCheckUtils]: 57: Hoare triple {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} ~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} is VALID [2020-07-08 23:38:54,885 INFO L280 TraceCheckUtils]: 58: Hoare triple {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} assume !(0 == ~__VERIFIER_assert__cond~9); {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} is VALID [2020-07-08 23:38:54,886 INFO L280 TraceCheckUtils]: 59: Hoare triple {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} ~main____CPAchecker_TMP_1~0 := ~main__j~0; {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} is VALID [2020-07-08 23:38:54,886 INFO L280 TraceCheckUtils]: 60: Hoare triple {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} ~main__j~0 := 1 + ~main__j~0; {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} is VALID [2020-07-08 23:38:54,887 INFO L280 TraceCheckUtils]: 61: Hoare triple {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} ~main____CPAchecker_TMP_2~0 := ~main__i~0; {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} is VALID [2020-07-08 23:38:54,888 INFO L280 TraceCheckUtils]: 62: Hoare triple {12827#(< (+ main_~main__i~0 1) main_~main__len~0)} ~main__i~0 := 1 + ~main__i~0; {12828#(<= (+ main_~main__i~0 1) main_~main__len~0)} is VALID [2020-07-08 23:38:54,889 INFO L280 TraceCheckUtils]: 63: Hoare triple {12828#(<= (+ main_~main__i~0 1) main_~main__len~0)} havoc ~__tmp_11~0; {12828#(<= (+ main_~main__i~0 1) main_~main__len~0)} is VALID [2020-07-08 23:38:54,890 INFO L280 TraceCheckUtils]: 64: Hoare triple {12828#(<= (+ main_~main__i~0 1) main_~main__len~0)} ~__tmp_11~0 := (if ~main__i~0 < ~main__len~0 then 1 else 0); {12829#(not (= 0 main_~__tmp_11~0))} is VALID [2020-07-08 23:38:54,891 INFO L280 TraceCheckUtils]: 65: Hoare triple {12829#(not (= 0 main_~__tmp_11~0))} havoc ~__VERIFIER_assert__cond~10; {12829#(not (= 0 main_~__tmp_11~0))} is VALID [2020-07-08 23:38:54,892 INFO L280 TraceCheckUtils]: 66: Hoare triple {12829#(not (= 0 main_~__tmp_11~0))} ~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {12830#(not (= main_~__VERIFIER_assert__cond~10 0))} is VALID [2020-07-08 23:38:54,892 INFO L280 TraceCheckUtils]: 67: Hoare triple {12830#(not (= main_~__VERIFIER_assert__cond~10 0))} assume 0 == ~__VERIFIER_assert__cond~10; {12822#false} is VALID [2020-07-08 23:38:54,893 INFO L280 TraceCheckUtils]: 68: Hoare triple {12822#false} assume !false; {12822#false} is VALID [2020-07-08 23:38:54,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 23:38:54,904 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [274840] [2020-07-08 23:38:54,904 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 23:38:54,904 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-08 23:38:54,904 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303885630] [2020-07-08 23:38:54,905 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 69 [2020-07-08 23:38:54,906 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 23:38:54,906 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-08 23:38:54,987 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 69 edges. 69 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:38:54,987 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-08 23:38:54,988 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 23:38:54,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-08 23:38:54,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-08 23:38:54,989 INFO L87 Difference]: Start difference. First operand 136 states and 140 transitions. Second operand 7 states. [2020-07-08 23:38:59,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:38:59,679 INFO L93 Difference]: Finished difference Result 375 states and 390 transitions. [2020-07-08 23:38:59,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-08 23:38:59,679 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 69 [2020-07-08 23:38:59,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 23:38:59,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-08 23:38:59,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 387 transitions. [2020-07-08 23:38:59,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-08 23:38:59,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 387 transitions. [2020-07-08 23:38:59,685 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 387 transitions. [2020-07-08 23:39:00,182 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 387 edges. 387 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:39:00,189 INFO L225 Difference]: With dead ends: 375 [2020-07-08 23:39:00,189 INFO L226 Difference]: Without dead ends: 258 [2020-07-08 23:39:00,190 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2020-07-08 23:39:00,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2020-07-08 23:39:02,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 158. [2020-07-08 23:39:02,156 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 23:39:02,156 INFO L82 GeneralOperation]: Start isEquivalent. First operand 258 states. Second operand 158 states. [2020-07-08 23:39:02,156 INFO L74 IsIncluded]: Start isIncluded. First operand 258 states. Second operand 158 states. [2020-07-08 23:39:02,156 INFO L87 Difference]: Start difference. First operand 258 states. Second operand 158 states. [2020-07-08 23:39:02,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:39:02,162 INFO L93 Difference]: Finished difference Result 258 states and 266 transitions. [2020-07-08 23:39:02,163 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 266 transitions. [2020-07-08 23:39:02,163 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:39:02,163 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:39:02,163 INFO L74 IsIncluded]: Start isIncluded. First operand 158 states. Second operand 258 states. [2020-07-08 23:39:02,164 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 258 states. [2020-07-08 23:39:02,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:39:02,169 INFO L93 Difference]: Finished difference Result 258 states and 266 transitions. [2020-07-08 23:39:02,169 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 266 transitions. [2020-07-08 23:39:02,170 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:39:02,170 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:39:02,170 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 23:39:02,171 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 23:39:02,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-07-08 23:39:02,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 162 transitions. [2020-07-08 23:39:02,174 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 162 transitions. Word has length 69 [2020-07-08 23:39:02,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 23:39:02,174 INFO L479 AbstractCegarLoop]: Abstraction has 158 states and 162 transitions. [2020-07-08 23:39:02,174 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-08 23:39:02,174 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 158 states and 162 transitions. [2020-07-08 23:39:02,852 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 162 edges. 162 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:39:02,853 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 162 transitions. [2020-07-08 23:39:02,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-07-08 23:39:02,854 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 23:39:02,854 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 23:39:02,854 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-08 23:39:02,854 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 23:39:02,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 23:39:02,855 INFO L82 PathProgramCache]: Analyzing trace with hash -623432219, now seen corresponding path program 1 times [2020-07-08 23:39:02,855 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 23:39:02,856 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [371490053] [2020-07-08 23:39:02,856 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 23:39:02,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:39:02,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:39:02,958 INFO L280 TraceCheckUtils]: 0: Hoare triple {14442#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {14432#true} is VALID [2020-07-08 23:39:02,958 INFO L280 TraceCheckUtils]: 1: Hoare triple {14432#true} ~__return_334~0 := 0; {14432#true} is VALID [2020-07-08 23:39:02,958 INFO L280 TraceCheckUtils]: 2: Hoare triple {14432#true} assume true; {14432#true} is VALID [2020-07-08 23:39:02,958 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {14432#true} {14432#true} #261#return; {14432#true} is VALID [2020-07-08 23:39:02,960 INFO L263 TraceCheckUtils]: 0: Hoare triple {14432#true} call ULTIMATE.init(); {14442#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} is VALID [2020-07-08 23:39:02,961 INFO L280 TraceCheckUtils]: 1: Hoare triple {14442#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {14432#true} is VALID [2020-07-08 23:39:02,961 INFO L280 TraceCheckUtils]: 2: Hoare triple {14432#true} ~__return_334~0 := 0; {14432#true} is VALID [2020-07-08 23:39:02,961 INFO L280 TraceCheckUtils]: 3: Hoare triple {14432#true} assume true; {14432#true} is VALID [2020-07-08 23:39:02,961 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {14432#true} {14432#true} #261#return; {14432#true} is VALID [2020-07-08 23:39:02,961 INFO L263 TraceCheckUtils]: 5: Hoare triple {14432#true} call #t~ret3 := main(); {14432#true} is VALID [2020-07-08 23:39:02,962 INFO L280 TraceCheckUtils]: 6: Hoare triple {14432#true} havoc ~main__len~0; {14432#true} is VALID [2020-07-08 23:39:02,962 INFO L280 TraceCheckUtils]: 7: Hoare triple {14432#true} havoc ~main__i~0; {14432#true} is VALID [2020-07-08 23:39:02,962 INFO L280 TraceCheckUtils]: 8: Hoare triple {14432#true} havoc ~main__j~0; {14432#true} is VALID [2020-07-08 23:39:02,962 INFO L280 TraceCheckUtils]: 9: Hoare triple {14432#true} havoc ~main__bufsize~0; {14432#true} is VALID [2020-07-08 23:39:02,962 INFO L280 TraceCheckUtils]: 10: Hoare triple {14432#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {14432#true} is VALID [2020-07-08 23:39:02,962 INFO L280 TraceCheckUtils]: 11: Hoare triple {14432#true} ~main__bufsize~0 := #t~nondet0; {14432#true} is VALID [2020-07-08 23:39:02,963 INFO L280 TraceCheckUtils]: 12: Hoare triple {14432#true} havoc #t~nondet0; {14432#true} is VALID [2020-07-08 23:39:02,963 INFO L280 TraceCheckUtils]: 13: Hoare triple {14432#true} assume !(~main__bufsize~0 < 0); {14432#true} is VALID [2020-07-08 23:39:02,963 INFO L280 TraceCheckUtils]: 14: Hoare triple {14432#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {14432#true} is VALID [2020-07-08 23:39:02,963 INFO L280 TraceCheckUtils]: 15: Hoare triple {14432#true} ~main__len~0 := #t~nondet1; {14432#true} is VALID [2020-07-08 23:39:02,963 INFO L280 TraceCheckUtils]: 16: Hoare triple {14432#true} havoc #t~nondet1; {14432#true} is VALID [2020-07-08 23:39:02,963 INFO L280 TraceCheckUtils]: 17: Hoare triple {14432#true} ~main__limit~0 := ~main__bufsize~0 - 4; {14432#true} is VALID [2020-07-08 23:39:02,964 INFO L280 TraceCheckUtils]: 18: Hoare triple {14432#true} ~main__i~0 := 0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:39:02,965 INFO L280 TraceCheckUtils]: 19: Hoare triple {14438#(<= 0 main_~main__i~0)} assume ~main__i~0 < ~main__len~0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:39:02,966 INFO L280 TraceCheckUtils]: 20: Hoare triple {14438#(<= 0 main_~main__i~0)} ~main__j~0 := 0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:39:02,966 INFO L280 TraceCheckUtils]: 21: Hoare triple {14438#(<= 0 main_~main__i~0)} assume ~main__i~0 < ~main__len~0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:39:02,967 INFO L280 TraceCheckUtils]: 22: Hoare triple {14438#(<= 0 main_~main__i~0)} assume ~main__j~0 < ~main__limit~0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:39:02,967 INFO L280 TraceCheckUtils]: 23: Hoare triple {14438#(<= 0 main_~main__i~0)} assume 1 + ~main__i~0 < ~main__len~0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:39:02,967 INFO L280 TraceCheckUtils]: 24: Hoare triple {14438#(<= 0 main_~main__i~0)} havoc ~__tmp_1~0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:39:02,968 INFO L280 TraceCheckUtils]: 25: Hoare triple {14438#(<= 0 main_~main__i~0)} ~__tmp_1~0 := (if 1 + ~main__i~0 < ~main__len~0 then 1 else 0); {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:39:02,968 INFO L280 TraceCheckUtils]: 26: Hoare triple {14438#(<= 0 main_~main__i~0)} havoc ~__VERIFIER_assert__cond~0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:39:02,969 INFO L280 TraceCheckUtils]: 27: Hoare triple {14438#(<= 0 main_~main__i~0)} ~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:39:02,969 INFO L280 TraceCheckUtils]: 28: Hoare triple {14438#(<= 0 main_~main__i~0)} assume !(0 == ~__VERIFIER_assert__cond~0); {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:39:02,969 INFO L280 TraceCheckUtils]: 29: Hoare triple {14438#(<= 0 main_~main__i~0)} havoc ~__tmp_2~0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:39:02,973 INFO L280 TraceCheckUtils]: 30: Hoare triple {14438#(<= 0 main_~main__i~0)} ~__tmp_2~0 := (if 0 <= ~main__i~0 then 1 else 0); {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:39:02,975 INFO L280 TraceCheckUtils]: 31: Hoare triple {14438#(<= 0 main_~main__i~0)} havoc ~__VERIFIER_assert__cond~1; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:39:02,976 INFO L280 TraceCheckUtils]: 32: Hoare triple {14438#(<= 0 main_~main__i~0)} ~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:39:02,976 INFO L280 TraceCheckUtils]: 33: Hoare triple {14438#(<= 0 main_~main__i~0)} assume !(0 == ~__VERIFIER_assert__cond~1); {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:39:02,977 INFO L280 TraceCheckUtils]: 34: Hoare triple {14438#(<= 0 main_~main__i~0)} havoc ~main____CPAchecker_TMP_0~0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:39:02,978 INFO L280 TraceCheckUtils]: 35: Hoare triple {14438#(<= 0 main_~main__i~0)} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:39:02,978 INFO L280 TraceCheckUtils]: 36: Hoare triple {14438#(<= 0 main_~main__i~0)} ~main____CPAchecker_TMP_0~0 := #t~nondet2; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:39:02,979 INFO L280 TraceCheckUtils]: 37: Hoare triple {14438#(<= 0 main_~main__i~0)} havoc #t~nondet2; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:39:02,979 INFO L280 TraceCheckUtils]: 38: Hoare triple {14438#(<= 0 main_~main__i~0)} assume !!(0 == ~main____CPAchecker_TMP_0~0); {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:39:02,980 INFO L280 TraceCheckUtils]: 39: Hoare triple {14438#(<= 0 main_~main__i~0)} havoc ~__tmp_7~0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:39:02,980 INFO L280 TraceCheckUtils]: 40: Hoare triple {14438#(<= 0 main_~main__i~0)} ~__tmp_7~0 := (if ~main__i~0 < ~main__len~0 then 1 else 0); {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:39:02,981 INFO L280 TraceCheckUtils]: 41: Hoare triple {14438#(<= 0 main_~main__i~0)} havoc ~__VERIFIER_assert__cond~6; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:39:02,981 INFO L280 TraceCheckUtils]: 42: Hoare triple {14438#(<= 0 main_~main__i~0)} ~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:39:02,982 INFO L280 TraceCheckUtils]: 43: Hoare triple {14438#(<= 0 main_~main__i~0)} assume !(0 == ~__VERIFIER_assert__cond~6); {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:39:02,983 INFO L280 TraceCheckUtils]: 44: Hoare triple {14438#(<= 0 main_~main__i~0)} havoc ~__tmp_8~0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:39:02,983 INFO L280 TraceCheckUtils]: 45: Hoare triple {14438#(<= 0 main_~main__i~0)} ~__tmp_8~0 := (if 0 <= ~main__i~0 then 1 else 0); {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:39:02,984 INFO L280 TraceCheckUtils]: 46: Hoare triple {14438#(<= 0 main_~main__i~0)} havoc ~__VERIFIER_assert__cond~7; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:39:02,984 INFO L280 TraceCheckUtils]: 47: Hoare triple {14438#(<= 0 main_~main__i~0)} ~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:39:02,985 INFO L280 TraceCheckUtils]: 48: Hoare triple {14438#(<= 0 main_~main__i~0)} assume !(0 == ~__VERIFIER_assert__cond~7); {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:39:02,985 INFO L280 TraceCheckUtils]: 49: Hoare triple {14438#(<= 0 main_~main__i~0)} havoc ~__tmp_9~0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:39:02,986 INFO L280 TraceCheckUtils]: 50: Hoare triple {14438#(<= 0 main_~main__i~0)} ~__tmp_9~0 := (if ~main__j~0 < ~main__bufsize~0 then 1 else 0); {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:39:02,986 INFO L280 TraceCheckUtils]: 51: Hoare triple {14438#(<= 0 main_~main__i~0)} havoc ~__VERIFIER_assert__cond~8; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:39:02,987 INFO L280 TraceCheckUtils]: 52: Hoare triple {14438#(<= 0 main_~main__i~0)} ~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:39:02,988 INFO L280 TraceCheckUtils]: 53: Hoare triple {14438#(<= 0 main_~main__i~0)} assume !(0 == ~__VERIFIER_assert__cond~8); {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:39:02,988 INFO L280 TraceCheckUtils]: 54: Hoare triple {14438#(<= 0 main_~main__i~0)} havoc ~__tmp_10~0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:39:02,989 INFO L280 TraceCheckUtils]: 55: Hoare triple {14438#(<= 0 main_~main__i~0)} ~__tmp_10~0 := (if 0 <= ~main__j~0 then 1 else 0); {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:39:02,989 INFO L280 TraceCheckUtils]: 56: Hoare triple {14438#(<= 0 main_~main__i~0)} havoc ~__VERIFIER_assert__cond~9; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:39:02,990 INFO L280 TraceCheckUtils]: 57: Hoare triple {14438#(<= 0 main_~main__i~0)} ~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:39:02,990 INFO L280 TraceCheckUtils]: 58: Hoare triple {14438#(<= 0 main_~main__i~0)} assume !(0 == ~__VERIFIER_assert__cond~9); {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:39:02,991 INFO L280 TraceCheckUtils]: 59: Hoare triple {14438#(<= 0 main_~main__i~0)} ~main____CPAchecker_TMP_1~0 := ~main__j~0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:39:02,991 INFO L280 TraceCheckUtils]: 60: Hoare triple {14438#(<= 0 main_~main__i~0)} ~main__j~0 := 1 + ~main__j~0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:39:02,992 INFO L280 TraceCheckUtils]: 61: Hoare triple {14438#(<= 0 main_~main__i~0)} ~main____CPAchecker_TMP_2~0 := ~main__i~0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-08 23:39:02,993 INFO L280 TraceCheckUtils]: 62: Hoare triple {14438#(<= 0 main_~main__i~0)} ~main__i~0 := 1 + ~main__i~0; {14439#(<= 1 main_~main__i~0)} is VALID [2020-07-08 23:39:02,993 INFO L280 TraceCheckUtils]: 63: Hoare triple {14439#(<= 1 main_~main__i~0)} havoc ~__tmp_11~0; {14439#(<= 1 main_~main__i~0)} is VALID [2020-07-08 23:39:02,994 INFO L280 TraceCheckUtils]: 64: Hoare triple {14439#(<= 1 main_~main__i~0)} ~__tmp_11~0 := (if ~main__i~0 < ~main__len~0 then 1 else 0); {14439#(<= 1 main_~main__i~0)} is VALID [2020-07-08 23:39:02,994 INFO L280 TraceCheckUtils]: 65: Hoare triple {14439#(<= 1 main_~main__i~0)} havoc ~__VERIFIER_assert__cond~10; {14439#(<= 1 main_~main__i~0)} is VALID [2020-07-08 23:39:02,995 INFO L280 TraceCheckUtils]: 66: Hoare triple {14439#(<= 1 main_~main__i~0)} ~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {14439#(<= 1 main_~main__i~0)} is VALID [2020-07-08 23:39:02,995 INFO L280 TraceCheckUtils]: 67: Hoare triple {14439#(<= 1 main_~main__i~0)} assume !(0 == ~__VERIFIER_assert__cond~10); {14439#(<= 1 main_~main__i~0)} is VALID [2020-07-08 23:39:02,996 INFO L280 TraceCheckUtils]: 68: Hoare triple {14439#(<= 1 main_~main__i~0)} havoc ~__tmp_12~0; {14439#(<= 1 main_~main__i~0)} is VALID [2020-07-08 23:39:02,997 INFO L280 TraceCheckUtils]: 69: Hoare triple {14439#(<= 1 main_~main__i~0)} ~__tmp_12~0 := (if 0 <= ~main__i~0 then 1 else 0); {14440#(not (= 0 main_~__tmp_12~0))} is VALID [2020-07-08 23:39:02,997 INFO L280 TraceCheckUtils]: 70: Hoare triple {14440#(not (= 0 main_~__tmp_12~0))} havoc ~__VERIFIER_assert__cond~11; {14440#(not (= 0 main_~__tmp_12~0))} is VALID [2020-07-08 23:39:02,998 INFO L280 TraceCheckUtils]: 71: Hoare triple {14440#(not (= 0 main_~__tmp_12~0))} ~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {14441#(not (= main_~__VERIFIER_assert__cond~11 0))} is VALID [2020-07-08 23:39:02,999 INFO L280 TraceCheckUtils]: 72: Hoare triple {14441#(not (= main_~__VERIFIER_assert__cond~11 0))} assume 0 == ~__VERIFIER_assert__cond~11; {14433#false} is VALID [2020-07-08 23:39:02,999 INFO L280 TraceCheckUtils]: 73: Hoare triple {14433#false} assume !false; {14433#false} is VALID [2020-07-08 23:39:03,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 23:39:03,004 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [371490053] [2020-07-08 23:39:03,005 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 23:39:03,005 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-08 23:39:03,005 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920567789] [2020-07-08 23:39:03,006 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 74 [2020-07-08 23:39:03,006 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 23:39:03,006 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-08 23:39:03,084 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 74 edges. 74 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:39:03,085 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-08 23:39:03,085 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 23:39:03,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-08 23:39:03,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-08 23:39:03,086 INFO L87 Difference]: Start difference. First operand 158 states and 162 transitions. Second operand 7 states. [2020-07-08 23:39:09,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:39:09,081 INFO L93 Difference]: Finished difference Result 351 states and 362 transitions. [2020-07-08 23:39:09,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-08 23:39:09,081 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 74 [2020-07-08 23:39:09,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 23:39:09,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-08 23:39:09,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 288 transitions. [2020-07-08 23:39:09,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-08 23:39:09,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 288 transitions. [2020-07-08 23:39:09,085 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 288 transitions. [2020-07-08 23:39:09,488 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 288 edges. 288 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:39:09,495 INFO L225 Difference]: With dead ends: 351 [2020-07-08 23:39:09,496 INFO L226 Difference]: Without dead ends: 349 [2020-07-08 23:39:09,496 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2020-07-08 23:39:09,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2020-07-08 23:39:11,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 156. [2020-07-08 23:39:11,465 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 23:39:11,466 INFO L82 GeneralOperation]: Start isEquivalent. First operand 349 states. Second operand 156 states. [2020-07-08 23:39:11,466 INFO L74 IsIncluded]: Start isIncluded. First operand 349 states. Second operand 156 states. [2020-07-08 23:39:11,466 INFO L87 Difference]: Start difference. First operand 349 states. Second operand 156 states. [2020-07-08 23:39:11,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:39:11,474 INFO L93 Difference]: Finished difference Result 349 states and 360 transitions. [2020-07-08 23:39:11,474 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 360 transitions. [2020-07-08 23:39:11,475 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:39:11,475 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:39:11,475 INFO L74 IsIncluded]: Start isIncluded. First operand 156 states. Second operand 349 states. [2020-07-08 23:39:11,475 INFO L87 Difference]: Start difference. First operand 156 states. Second operand 349 states. [2020-07-08 23:39:11,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:39:11,483 INFO L93 Difference]: Finished difference Result 349 states and 360 transitions. [2020-07-08 23:39:11,484 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 360 transitions. [2020-07-08 23:39:11,484 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:39:11,484 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:39:11,485 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 23:39:11,485 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 23:39:11,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2020-07-08 23:39:11,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 160 transitions. [2020-07-08 23:39:11,488 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 160 transitions. Word has length 74 [2020-07-08 23:39:11,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 23:39:11,488 INFO L479 AbstractCegarLoop]: Abstraction has 156 states and 160 transitions. [2020-07-08 23:39:11,488 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-08 23:39:11,488 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 156 states and 160 transitions. [2020-07-08 23:39:12,190 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 160 edges. 160 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:39:12,190 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 160 transitions. [2020-07-08 23:39:12,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-07-08 23:39:12,191 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 23:39:12,192 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 23:39:12,192 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-07-08 23:39:12,192 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 23:39:12,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 23:39:12,193 INFO L82 PathProgramCache]: Analyzing trace with hash -1977531324, now seen corresponding path program 1 times [2020-07-08 23:39:12,193 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 23:39:12,193 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1440358348] [2020-07-08 23:39:12,193 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 23:39:12,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:39:12,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:39:12,332 INFO L280 TraceCheckUtils]: 0: Hoare triple {16178#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {16167#true} is VALID [2020-07-08 23:39:12,332 INFO L280 TraceCheckUtils]: 1: Hoare triple {16167#true} ~__return_334~0 := 0; {16167#true} is VALID [2020-07-08 23:39:12,332 INFO L280 TraceCheckUtils]: 2: Hoare triple {16167#true} assume true; {16167#true} is VALID [2020-07-08 23:39:12,332 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {16167#true} {16167#true} #261#return; {16167#true} is VALID [2020-07-08 23:39:12,333 INFO L263 TraceCheckUtils]: 0: Hoare triple {16167#true} call ULTIMATE.init(); {16178#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} is VALID [2020-07-08 23:39:12,334 INFO L280 TraceCheckUtils]: 1: Hoare triple {16178#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {16167#true} is VALID [2020-07-08 23:39:12,334 INFO L280 TraceCheckUtils]: 2: Hoare triple {16167#true} ~__return_334~0 := 0; {16167#true} is VALID [2020-07-08 23:39:12,334 INFO L280 TraceCheckUtils]: 3: Hoare triple {16167#true} assume true; {16167#true} is VALID [2020-07-08 23:39:12,334 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {16167#true} {16167#true} #261#return; {16167#true} is VALID [2020-07-08 23:39:12,334 INFO L263 TraceCheckUtils]: 5: Hoare triple {16167#true} call #t~ret3 := main(); {16167#true} is VALID [2020-07-08 23:39:12,335 INFO L280 TraceCheckUtils]: 6: Hoare triple {16167#true} havoc ~main__len~0; {16167#true} is VALID [2020-07-08 23:39:12,335 INFO L280 TraceCheckUtils]: 7: Hoare triple {16167#true} havoc ~main__i~0; {16167#true} is VALID [2020-07-08 23:39:12,335 INFO L280 TraceCheckUtils]: 8: Hoare triple {16167#true} havoc ~main__j~0; {16167#true} is VALID [2020-07-08 23:39:12,335 INFO L280 TraceCheckUtils]: 9: Hoare triple {16167#true} havoc ~main__bufsize~0; {16167#true} is VALID [2020-07-08 23:39:12,335 INFO L280 TraceCheckUtils]: 10: Hoare triple {16167#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {16167#true} is VALID [2020-07-08 23:39:12,336 INFO L280 TraceCheckUtils]: 11: Hoare triple {16167#true} ~main__bufsize~0 := #t~nondet0; {16167#true} is VALID [2020-07-08 23:39:12,336 INFO L280 TraceCheckUtils]: 12: Hoare triple {16167#true} havoc #t~nondet0; {16167#true} is VALID [2020-07-08 23:39:12,336 INFO L280 TraceCheckUtils]: 13: Hoare triple {16167#true} assume !(~main__bufsize~0 < 0); {16167#true} is VALID [2020-07-08 23:39:12,336 INFO L280 TraceCheckUtils]: 14: Hoare triple {16167#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {16167#true} is VALID [2020-07-08 23:39:12,336 INFO L280 TraceCheckUtils]: 15: Hoare triple {16167#true} ~main__len~0 := #t~nondet1; {16167#true} is VALID [2020-07-08 23:39:12,336 INFO L280 TraceCheckUtils]: 16: Hoare triple {16167#true} havoc #t~nondet1; {16167#true} is VALID [2020-07-08 23:39:12,337 INFO L280 TraceCheckUtils]: 17: Hoare triple {16167#true} ~main__limit~0 := ~main__bufsize~0 - 4; {16173#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,338 INFO L280 TraceCheckUtils]: 18: Hoare triple {16173#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} ~main__i~0 := 0; {16173#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,339 INFO L280 TraceCheckUtils]: 19: Hoare triple {16173#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} assume ~main__i~0 < ~main__len~0; {16173#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,339 INFO L280 TraceCheckUtils]: 20: Hoare triple {16173#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} ~main__j~0 := 0; {16173#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,340 INFO L280 TraceCheckUtils]: 21: Hoare triple {16173#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} assume ~main__i~0 < ~main__len~0; {16173#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,340 INFO L280 TraceCheckUtils]: 22: Hoare triple {16173#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} assume ~main__j~0 < ~main__limit~0; {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,341 INFO L280 TraceCheckUtils]: 23: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} assume 1 + ~main__i~0 < ~main__len~0; {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,342 INFO L280 TraceCheckUtils]: 24: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__tmp_1~0; {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,342 INFO L280 TraceCheckUtils]: 25: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__tmp_1~0 := (if 1 + ~main__i~0 < ~main__len~0 then 1 else 0); {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,343 INFO L280 TraceCheckUtils]: 26: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__VERIFIER_assert__cond~0; {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,343 INFO L280 TraceCheckUtils]: 27: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,344 INFO L280 TraceCheckUtils]: 28: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} assume !(0 == ~__VERIFIER_assert__cond~0); {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,344 INFO L280 TraceCheckUtils]: 29: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__tmp_2~0; {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,345 INFO L280 TraceCheckUtils]: 30: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__tmp_2~0 := (if 0 <= ~main__i~0 then 1 else 0); {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,346 INFO L280 TraceCheckUtils]: 31: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__VERIFIER_assert__cond~1; {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,346 INFO L280 TraceCheckUtils]: 32: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,347 INFO L280 TraceCheckUtils]: 33: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} assume !(0 == ~__VERIFIER_assert__cond~1); {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,347 INFO L280 TraceCheckUtils]: 34: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~main____CPAchecker_TMP_0~0; {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,348 INFO L280 TraceCheckUtils]: 35: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,349 INFO L280 TraceCheckUtils]: 36: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~main____CPAchecker_TMP_0~0 := #t~nondet2; {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,349 INFO L280 TraceCheckUtils]: 37: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc #t~nondet2; {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,350 INFO L280 TraceCheckUtils]: 38: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} assume !!(0 == ~main____CPAchecker_TMP_0~0); {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,350 INFO L280 TraceCheckUtils]: 39: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__tmp_7~0; {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,351 INFO L280 TraceCheckUtils]: 40: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__tmp_7~0 := (if ~main__i~0 < ~main__len~0 then 1 else 0); {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,351 INFO L280 TraceCheckUtils]: 41: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__VERIFIER_assert__cond~6; {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,352 INFO L280 TraceCheckUtils]: 42: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,352 INFO L280 TraceCheckUtils]: 43: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} assume !(0 == ~__VERIFIER_assert__cond~6); {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,353 INFO L280 TraceCheckUtils]: 44: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__tmp_8~0; {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,354 INFO L280 TraceCheckUtils]: 45: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__tmp_8~0 := (if 0 <= ~main__i~0 then 1 else 0); {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,354 INFO L280 TraceCheckUtils]: 46: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__VERIFIER_assert__cond~7; {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,355 INFO L280 TraceCheckUtils]: 47: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,355 INFO L280 TraceCheckUtils]: 48: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} assume !(0 == ~__VERIFIER_assert__cond~7); {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,356 INFO L280 TraceCheckUtils]: 49: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__tmp_9~0; {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,356 INFO L280 TraceCheckUtils]: 50: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__tmp_9~0 := (if ~main__j~0 < ~main__bufsize~0 then 1 else 0); {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,357 INFO L280 TraceCheckUtils]: 51: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__VERIFIER_assert__cond~8; {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,358 INFO L280 TraceCheckUtils]: 52: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,358 INFO L280 TraceCheckUtils]: 53: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} assume !(0 == ~__VERIFIER_assert__cond~8); {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,359 INFO L280 TraceCheckUtils]: 54: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__tmp_10~0; {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,360 INFO L280 TraceCheckUtils]: 55: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__tmp_10~0 := (if 0 <= ~main__j~0 then 1 else 0); {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,360 INFO L280 TraceCheckUtils]: 56: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__VERIFIER_assert__cond~9; {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,361 INFO L280 TraceCheckUtils]: 57: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,361 INFO L280 TraceCheckUtils]: 58: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} assume !(0 == ~__VERIFIER_assert__cond~9); {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,362 INFO L280 TraceCheckUtils]: 59: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~main____CPAchecker_TMP_1~0 := ~main__j~0; {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,363 INFO L280 TraceCheckUtils]: 60: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~main__j~0 := 1 + ~main__j~0; {16175#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,363 INFO L280 TraceCheckUtils]: 61: Hoare triple {16175#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} ~main____CPAchecker_TMP_2~0 := ~main__i~0; {16175#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,364 INFO L280 TraceCheckUtils]: 62: Hoare triple {16175#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} ~main__i~0 := 1 + ~main__i~0; {16175#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,365 INFO L280 TraceCheckUtils]: 63: Hoare triple {16175#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} havoc ~__tmp_11~0; {16175#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,365 INFO L280 TraceCheckUtils]: 64: Hoare triple {16175#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} ~__tmp_11~0 := (if ~main__i~0 < ~main__len~0 then 1 else 0); {16175#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,366 INFO L280 TraceCheckUtils]: 65: Hoare triple {16175#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} havoc ~__VERIFIER_assert__cond~10; {16175#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,366 INFO L280 TraceCheckUtils]: 66: Hoare triple {16175#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} ~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {16175#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,367 INFO L280 TraceCheckUtils]: 67: Hoare triple {16175#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} assume !(0 == ~__VERIFIER_assert__cond~10); {16175#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,368 INFO L280 TraceCheckUtils]: 68: Hoare triple {16175#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} havoc ~__tmp_12~0; {16175#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,368 INFO L280 TraceCheckUtils]: 69: Hoare triple {16175#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} ~__tmp_12~0 := (if 0 <= ~main__i~0 then 1 else 0); {16175#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,369 INFO L280 TraceCheckUtils]: 70: Hoare triple {16175#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} havoc ~__VERIFIER_assert__cond~11; {16175#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,369 INFO L280 TraceCheckUtils]: 71: Hoare triple {16175#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} ~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {16175#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,370 INFO L280 TraceCheckUtils]: 72: Hoare triple {16175#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} assume !(0 == ~__VERIFIER_assert__cond~11); {16175#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,370 INFO L280 TraceCheckUtils]: 73: Hoare triple {16175#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} havoc ~__tmp_13~0; {16175#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:12,371 INFO L280 TraceCheckUtils]: 74: Hoare triple {16175#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} ~__tmp_13~0 := (if ~main__j~0 < ~main__bufsize~0 then 1 else 0); {16176#(not (= 0 main_~__tmp_13~0))} is VALID [2020-07-08 23:39:12,372 INFO L280 TraceCheckUtils]: 75: Hoare triple {16176#(not (= 0 main_~__tmp_13~0))} havoc ~__VERIFIER_assert__cond~12; {16176#(not (= 0 main_~__tmp_13~0))} is VALID [2020-07-08 23:39:12,373 INFO L280 TraceCheckUtils]: 76: Hoare triple {16176#(not (= 0 main_~__tmp_13~0))} ~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {16177#(not (= main_~__VERIFIER_assert__cond~12 0))} is VALID [2020-07-08 23:39:12,373 INFO L280 TraceCheckUtils]: 77: Hoare triple {16177#(not (= main_~__VERIFIER_assert__cond~12 0))} assume 0 == ~__VERIFIER_assert__cond~12; {16168#false} is VALID [2020-07-08 23:39:12,373 INFO L280 TraceCheckUtils]: 78: Hoare triple {16168#false} assume !false; {16168#false} is VALID [2020-07-08 23:39:12,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 23:39:12,382 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1440358348] [2020-07-08 23:39:12,383 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 23:39:12,383 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-08 23:39:12,383 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313174847] [2020-07-08 23:39:12,384 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 79 [2020-07-08 23:39:12,384 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 23:39:12,384 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-08 23:39:12,471 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 79 edges. 79 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:39:12,471 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-08 23:39:12,472 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 23:39:12,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-08 23:39:12,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-08 23:39:12,473 INFO L87 Difference]: Start difference. First operand 156 states and 160 transitions. Second operand 8 states. [2020-07-08 23:39:17,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:39:17,618 INFO L93 Difference]: Finished difference Result 271 states and 282 transitions. [2020-07-08 23:39:17,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-08 23:39:17,619 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 79 [2020-07-08 23:39:17,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 23:39:17,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-08 23:39:17,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 231 transitions. [2020-07-08 23:39:17,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-08 23:39:17,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 231 transitions. [2020-07-08 23:39:17,623 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 231 transitions. [2020-07-08 23:39:17,963 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 231 edges. 231 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:39:17,969 INFO L225 Difference]: With dead ends: 271 [2020-07-08 23:39:17,969 INFO L226 Difference]: Without dead ends: 269 [2020-07-08 23:39:17,969 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2020-07-08 23:39:17,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2020-07-08 23:39:20,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 154. [2020-07-08 23:39:20,014 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 23:39:20,014 INFO L82 GeneralOperation]: Start isEquivalent. First operand 269 states. Second operand 154 states. [2020-07-08 23:39:20,014 INFO L74 IsIncluded]: Start isIncluded. First operand 269 states. Second operand 154 states. [2020-07-08 23:39:20,014 INFO L87 Difference]: Start difference. First operand 269 states. Second operand 154 states. [2020-07-08 23:39:20,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:39:20,019 INFO L93 Difference]: Finished difference Result 269 states and 280 transitions. [2020-07-08 23:39:20,019 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 280 transitions. [2020-07-08 23:39:20,020 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:39:20,020 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:39:20,020 INFO L74 IsIncluded]: Start isIncluded. First operand 154 states. Second operand 269 states. [2020-07-08 23:39:20,020 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 269 states. [2020-07-08 23:39:20,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:39:20,026 INFO L93 Difference]: Finished difference Result 269 states and 280 transitions. [2020-07-08 23:39:20,026 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 280 transitions. [2020-07-08 23:39:20,027 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:39:20,027 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:39:20,027 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 23:39:20,027 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 23:39:20,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-07-08 23:39:20,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 158 transitions. [2020-07-08 23:39:20,030 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 158 transitions. Word has length 79 [2020-07-08 23:39:20,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 23:39:20,030 INFO L479 AbstractCegarLoop]: Abstraction has 154 states and 158 transitions. [2020-07-08 23:39:20,030 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-08 23:39:20,031 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 154 states and 158 transitions. [2020-07-08 23:39:20,779 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 158 edges. 158 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:39:20,780 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 158 transitions. [2020-07-08 23:39:20,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-07-08 23:39:20,781 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 23:39:20,781 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 23:39:20,781 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-07-08 23:39:20,782 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 23:39:20,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 23:39:20,782 INFO L82 PathProgramCache]: Analyzing trace with hash 108101264, now seen corresponding path program 1 times [2020-07-08 23:39:20,783 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 23:39:20,783 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [897369127] [2020-07-08 23:39:20,783 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 23:39:20,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:39:20,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:39:20,880 INFO L280 TraceCheckUtils]: 0: Hoare triple {17595#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {17585#true} is VALID [2020-07-08 23:39:20,881 INFO L280 TraceCheckUtils]: 1: Hoare triple {17585#true} ~__return_334~0 := 0; {17585#true} is VALID [2020-07-08 23:39:20,881 INFO L280 TraceCheckUtils]: 2: Hoare triple {17585#true} assume true; {17585#true} is VALID [2020-07-08 23:39:20,881 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {17585#true} {17585#true} #261#return; {17585#true} is VALID [2020-07-08 23:39:20,882 INFO L263 TraceCheckUtils]: 0: Hoare triple {17585#true} call ULTIMATE.init(); {17595#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} is VALID [2020-07-08 23:39:20,882 INFO L280 TraceCheckUtils]: 1: Hoare triple {17595#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {17585#true} is VALID [2020-07-08 23:39:20,882 INFO L280 TraceCheckUtils]: 2: Hoare triple {17585#true} ~__return_334~0 := 0; {17585#true} is VALID [2020-07-08 23:39:20,883 INFO L280 TraceCheckUtils]: 3: Hoare triple {17585#true} assume true; {17585#true} is VALID [2020-07-08 23:39:20,883 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {17585#true} {17585#true} #261#return; {17585#true} is VALID [2020-07-08 23:39:20,883 INFO L263 TraceCheckUtils]: 5: Hoare triple {17585#true} call #t~ret3 := main(); {17585#true} is VALID [2020-07-08 23:39:20,883 INFO L280 TraceCheckUtils]: 6: Hoare triple {17585#true} havoc ~main__len~0; {17585#true} is VALID [2020-07-08 23:39:20,883 INFO L280 TraceCheckUtils]: 7: Hoare triple {17585#true} havoc ~main__i~0; {17585#true} is VALID [2020-07-08 23:39:20,883 INFO L280 TraceCheckUtils]: 8: Hoare triple {17585#true} havoc ~main__j~0; {17585#true} is VALID [2020-07-08 23:39:20,884 INFO L280 TraceCheckUtils]: 9: Hoare triple {17585#true} havoc ~main__bufsize~0; {17585#true} is VALID [2020-07-08 23:39:20,884 INFO L280 TraceCheckUtils]: 10: Hoare triple {17585#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {17585#true} is VALID [2020-07-08 23:39:20,884 INFO L280 TraceCheckUtils]: 11: Hoare triple {17585#true} ~main__bufsize~0 := #t~nondet0; {17585#true} is VALID [2020-07-08 23:39:20,884 INFO L280 TraceCheckUtils]: 12: Hoare triple {17585#true} havoc #t~nondet0; {17585#true} is VALID [2020-07-08 23:39:20,884 INFO L280 TraceCheckUtils]: 13: Hoare triple {17585#true} assume !(~main__bufsize~0 < 0); {17585#true} is VALID [2020-07-08 23:39:20,884 INFO L280 TraceCheckUtils]: 14: Hoare triple {17585#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {17585#true} is VALID [2020-07-08 23:39:20,884 INFO L280 TraceCheckUtils]: 15: Hoare triple {17585#true} ~main__len~0 := #t~nondet1; {17585#true} is VALID [2020-07-08 23:39:20,884 INFO L280 TraceCheckUtils]: 16: Hoare triple {17585#true} havoc #t~nondet1; {17585#true} is VALID [2020-07-08 23:39:20,885 INFO L280 TraceCheckUtils]: 17: Hoare triple {17585#true} ~main__limit~0 := ~main__bufsize~0 - 4; {17585#true} is VALID [2020-07-08 23:39:20,885 INFO L280 TraceCheckUtils]: 18: Hoare triple {17585#true} ~main__i~0 := 0; {17585#true} is VALID [2020-07-08 23:39:20,885 INFO L280 TraceCheckUtils]: 19: Hoare triple {17585#true} assume ~main__i~0 < ~main__len~0; {17585#true} is VALID [2020-07-08 23:39:20,885 INFO L280 TraceCheckUtils]: 20: Hoare triple {17585#true} ~main__j~0 := 0; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:20,886 INFO L280 TraceCheckUtils]: 21: Hoare triple {17591#(<= 0 main_~main__j~0)} assume ~main__i~0 < ~main__len~0; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:20,886 INFO L280 TraceCheckUtils]: 22: Hoare triple {17591#(<= 0 main_~main__j~0)} assume ~main__j~0 < ~main__limit~0; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:20,886 INFO L280 TraceCheckUtils]: 23: Hoare triple {17591#(<= 0 main_~main__j~0)} assume 1 + ~main__i~0 < ~main__len~0; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:20,887 INFO L280 TraceCheckUtils]: 24: Hoare triple {17591#(<= 0 main_~main__j~0)} havoc ~__tmp_1~0; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:20,887 INFO L280 TraceCheckUtils]: 25: Hoare triple {17591#(<= 0 main_~main__j~0)} ~__tmp_1~0 := (if 1 + ~main__i~0 < ~main__len~0 then 1 else 0); {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:20,888 INFO L280 TraceCheckUtils]: 26: Hoare triple {17591#(<= 0 main_~main__j~0)} havoc ~__VERIFIER_assert__cond~0; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:20,888 INFO L280 TraceCheckUtils]: 27: Hoare triple {17591#(<= 0 main_~main__j~0)} ~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:20,888 INFO L280 TraceCheckUtils]: 28: Hoare triple {17591#(<= 0 main_~main__j~0)} assume !(0 == ~__VERIFIER_assert__cond~0); {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:20,889 INFO L280 TraceCheckUtils]: 29: Hoare triple {17591#(<= 0 main_~main__j~0)} havoc ~__tmp_2~0; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:20,889 INFO L280 TraceCheckUtils]: 30: Hoare triple {17591#(<= 0 main_~main__j~0)} ~__tmp_2~0 := (if 0 <= ~main__i~0 then 1 else 0); {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:20,889 INFO L280 TraceCheckUtils]: 31: Hoare triple {17591#(<= 0 main_~main__j~0)} havoc ~__VERIFIER_assert__cond~1; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:20,890 INFO L280 TraceCheckUtils]: 32: Hoare triple {17591#(<= 0 main_~main__j~0)} ~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:20,890 INFO L280 TraceCheckUtils]: 33: Hoare triple {17591#(<= 0 main_~main__j~0)} assume !(0 == ~__VERIFIER_assert__cond~1); {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:20,891 INFO L280 TraceCheckUtils]: 34: Hoare triple {17591#(<= 0 main_~main__j~0)} havoc ~main____CPAchecker_TMP_0~0; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:20,891 INFO L280 TraceCheckUtils]: 35: Hoare triple {17591#(<= 0 main_~main__j~0)} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:20,891 INFO L280 TraceCheckUtils]: 36: Hoare triple {17591#(<= 0 main_~main__j~0)} ~main____CPAchecker_TMP_0~0 := #t~nondet2; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:20,892 INFO L280 TraceCheckUtils]: 37: Hoare triple {17591#(<= 0 main_~main__j~0)} havoc #t~nondet2; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:20,892 INFO L280 TraceCheckUtils]: 38: Hoare triple {17591#(<= 0 main_~main__j~0)} assume !!(0 == ~main____CPAchecker_TMP_0~0); {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:20,892 INFO L280 TraceCheckUtils]: 39: Hoare triple {17591#(<= 0 main_~main__j~0)} havoc ~__tmp_7~0; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:20,893 INFO L280 TraceCheckUtils]: 40: Hoare triple {17591#(<= 0 main_~main__j~0)} ~__tmp_7~0 := (if ~main__i~0 < ~main__len~0 then 1 else 0); {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:20,893 INFO L280 TraceCheckUtils]: 41: Hoare triple {17591#(<= 0 main_~main__j~0)} havoc ~__VERIFIER_assert__cond~6; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:20,893 INFO L280 TraceCheckUtils]: 42: Hoare triple {17591#(<= 0 main_~main__j~0)} ~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:20,894 INFO L280 TraceCheckUtils]: 43: Hoare triple {17591#(<= 0 main_~main__j~0)} assume !(0 == ~__VERIFIER_assert__cond~6); {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:20,894 INFO L280 TraceCheckUtils]: 44: Hoare triple {17591#(<= 0 main_~main__j~0)} havoc ~__tmp_8~0; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:20,895 INFO L280 TraceCheckUtils]: 45: Hoare triple {17591#(<= 0 main_~main__j~0)} ~__tmp_8~0 := (if 0 <= ~main__i~0 then 1 else 0); {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:20,895 INFO L280 TraceCheckUtils]: 46: Hoare triple {17591#(<= 0 main_~main__j~0)} havoc ~__VERIFIER_assert__cond~7; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:20,895 INFO L280 TraceCheckUtils]: 47: Hoare triple {17591#(<= 0 main_~main__j~0)} ~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:20,896 INFO L280 TraceCheckUtils]: 48: Hoare triple {17591#(<= 0 main_~main__j~0)} assume !(0 == ~__VERIFIER_assert__cond~7); {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:20,896 INFO L280 TraceCheckUtils]: 49: Hoare triple {17591#(<= 0 main_~main__j~0)} havoc ~__tmp_9~0; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:20,896 INFO L280 TraceCheckUtils]: 50: Hoare triple {17591#(<= 0 main_~main__j~0)} ~__tmp_9~0 := (if ~main__j~0 < ~main__bufsize~0 then 1 else 0); {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:20,897 INFO L280 TraceCheckUtils]: 51: Hoare triple {17591#(<= 0 main_~main__j~0)} havoc ~__VERIFIER_assert__cond~8; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:20,897 INFO L280 TraceCheckUtils]: 52: Hoare triple {17591#(<= 0 main_~main__j~0)} ~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:20,898 INFO L280 TraceCheckUtils]: 53: Hoare triple {17591#(<= 0 main_~main__j~0)} assume !(0 == ~__VERIFIER_assert__cond~8); {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:20,898 INFO L280 TraceCheckUtils]: 54: Hoare triple {17591#(<= 0 main_~main__j~0)} havoc ~__tmp_10~0; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:20,898 INFO L280 TraceCheckUtils]: 55: Hoare triple {17591#(<= 0 main_~main__j~0)} ~__tmp_10~0 := (if 0 <= ~main__j~0 then 1 else 0); {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:20,899 INFO L280 TraceCheckUtils]: 56: Hoare triple {17591#(<= 0 main_~main__j~0)} havoc ~__VERIFIER_assert__cond~9; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:20,899 INFO L280 TraceCheckUtils]: 57: Hoare triple {17591#(<= 0 main_~main__j~0)} ~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:20,899 INFO L280 TraceCheckUtils]: 58: Hoare triple {17591#(<= 0 main_~main__j~0)} assume !(0 == ~__VERIFIER_assert__cond~9); {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:20,900 INFO L280 TraceCheckUtils]: 59: Hoare triple {17591#(<= 0 main_~main__j~0)} ~main____CPAchecker_TMP_1~0 := ~main__j~0; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:20,900 INFO L280 TraceCheckUtils]: 60: Hoare triple {17591#(<= 0 main_~main__j~0)} ~main__j~0 := 1 + ~main__j~0; {17592#(<= 1 main_~main__j~0)} is VALID [2020-07-08 23:39:20,901 INFO L280 TraceCheckUtils]: 61: Hoare triple {17592#(<= 1 main_~main__j~0)} ~main____CPAchecker_TMP_2~0 := ~main__i~0; {17592#(<= 1 main_~main__j~0)} is VALID [2020-07-08 23:39:20,901 INFO L280 TraceCheckUtils]: 62: Hoare triple {17592#(<= 1 main_~main__j~0)} ~main__i~0 := 1 + ~main__i~0; {17592#(<= 1 main_~main__j~0)} is VALID [2020-07-08 23:39:20,902 INFO L280 TraceCheckUtils]: 63: Hoare triple {17592#(<= 1 main_~main__j~0)} havoc ~__tmp_11~0; {17592#(<= 1 main_~main__j~0)} is VALID [2020-07-08 23:39:20,906 INFO L280 TraceCheckUtils]: 64: Hoare triple {17592#(<= 1 main_~main__j~0)} ~__tmp_11~0 := (if ~main__i~0 < ~main__len~0 then 1 else 0); {17592#(<= 1 main_~main__j~0)} is VALID [2020-07-08 23:39:20,906 INFO L280 TraceCheckUtils]: 65: Hoare triple {17592#(<= 1 main_~main__j~0)} havoc ~__VERIFIER_assert__cond~10; {17592#(<= 1 main_~main__j~0)} is VALID [2020-07-08 23:39:20,906 INFO L280 TraceCheckUtils]: 66: Hoare triple {17592#(<= 1 main_~main__j~0)} ~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {17592#(<= 1 main_~main__j~0)} is VALID [2020-07-08 23:39:20,907 INFO L280 TraceCheckUtils]: 67: Hoare triple {17592#(<= 1 main_~main__j~0)} assume !(0 == ~__VERIFIER_assert__cond~10); {17592#(<= 1 main_~main__j~0)} is VALID [2020-07-08 23:39:20,907 INFO L280 TraceCheckUtils]: 68: Hoare triple {17592#(<= 1 main_~main__j~0)} havoc ~__tmp_12~0; {17592#(<= 1 main_~main__j~0)} is VALID [2020-07-08 23:39:20,908 INFO L280 TraceCheckUtils]: 69: Hoare triple {17592#(<= 1 main_~main__j~0)} ~__tmp_12~0 := (if 0 <= ~main__i~0 then 1 else 0); {17592#(<= 1 main_~main__j~0)} is VALID [2020-07-08 23:39:20,908 INFO L280 TraceCheckUtils]: 70: Hoare triple {17592#(<= 1 main_~main__j~0)} havoc ~__VERIFIER_assert__cond~11; {17592#(<= 1 main_~main__j~0)} is VALID [2020-07-08 23:39:20,908 INFO L280 TraceCheckUtils]: 71: Hoare triple {17592#(<= 1 main_~main__j~0)} ~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {17592#(<= 1 main_~main__j~0)} is VALID [2020-07-08 23:39:20,909 INFO L280 TraceCheckUtils]: 72: Hoare triple {17592#(<= 1 main_~main__j~0)} assume !(0 == ~__VERIFIER_assert__cond~11); {17592#(<= 1 main_~main__j~0)} is VALID [2020-07-08 23:39:20,909 INFO L280 TraceCheckUtils]: 73: Hoare triple {17592#(<= 1 main_~main__j~0)} havoc ~__tmp_13~0; {17592#(<= 1 main_~main__j~0)} is VALID [2020-07-08 23:39:20,916 INFO L280 TraceCheckUtils]: 74: Hoare triple {17592#(<= 1 main_~main__j~0)} ~__tmp_13~0 := (if ~main__j~0 < ~main__bufsize~0 then 1 else 0); {17592#(<= 1 main_~main__j~0)} is VALID [2020-07-08 23:39:20,917 INFO L280 TraceCheckUtils]: 75: Hoare triple {17592#(<= 1 main_~main__j~0)} havoc ~__VERIFIER_assert__cond~12; {17592#(<= 1 main_~main__j~0)} is VALID [2020-07-08 23:39:20,918 INFO L280 TraceCheckUtils]: 76: Hoare triple {17592#(<= 1 main_~main__j~0)} ~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {17592#(<= 1 main_~main__j~0)} is VALID [2020-07-08 23:39:20,918 INFO L280 TraceCheckUtils]: 77: Hoare triple {17592#(<= 1 main_~main__j~0)} assume !(0 == ~__VERIFIER_assert__cond~12); {17592#(<= 1 main_~main__j~0)} is VALID [2020-07-08 23:39:20,919 INFO L280 TraceCheckUtils]: 78: Hoare triple {17592#(<= 1 main_~main__j~0)} havoc ~__tmp_14~0; {17592#(<= 1 main_~main__j~0)} is VALID [2020-07-08 23:39:20,920 INFO L280 TraceCheckUtils]: 79: Hoare triple {17592#(<= 1 main_~main__j~0)} ~__tmp_14~0 := (if 0 <= ~main__j~0 then 1 else 0); {17593#(not (= 0 main_~__tmp_14~0))} is VALID [2020-07-08 23:39:20,920 INFO L280 TraceCheckUtils]: 80: Hoare triple {17593#(not (= 0 main_~__tmp_14~0))} havoc ~__VERIFIER_assert__cond~13; {17593#(not (= 0 main_~__tmp_14~0))} is VALID [2020-07-08 23:39:20,921 INFO L280 TraceCheckUtils]: 81: Hoare triple {17593#(not (= 0 main_~__tmp_14~0))} ~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {17594#(not (= main_~__VERIFIER_assert__cond~13 0))} is VALID [2020-07-08 23:39:20,921 INFO L280 TraceCheckUtils]: 82: Hoare triple {17594#(not (= main_~__VERIFIER_assert__cond~13 0))} assume 0 == ~__VERIFIER_assert__cond~13; {17586#false} is VALID [2020-07-08 23:39:20,922 INFO L280 TraceCheckUtils]: 83: Hoare triple {17586#false} assume !false; {17586#false} is VALID [2020-07-08 23:39:20,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 23:39:20,928 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [897369127] [2020-07-08 23:39:20,929 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 23:39:20,929 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-08 23:39:20,929 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079052019] [2020-07-08 23:39:20,929 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 84 [2020-07-08 23:39:20,930 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 23:39:20,930 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-08 23:39:21,016 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 84 edges. 84 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:39:21,017 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-08 23:39:21,017 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 23:39:21,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-08 23:39:21,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-08 23:39:21,017 INFO L87 Difference]: Start difference. First operand 154 states and 158 transitions. Second operand 7 states. [2020-07-08 23:39:29,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:39:29,222 INFO L93 Difference]: Finished difference Result 439 states and 453 transitions. [2020-07-08 23:39:29,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-08 23:39:29,223 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 84 [2020-07-08 23:39:29,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 23:39:29,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-08 23:39:29,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 359 transitions. [2020-07-08 23:39:29,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-08 23:39:29,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 359 transitions. [2020-07-08 23:39:29,227 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 359 transitions. [2020-07-08 23:39:29,751 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 359 edges. 359 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:39:29,761 INFO L225 Difference]: With dead ends: 439 [2020-07-08 23:39:29,762 INFO L226 Difference]: Without dead ends: 437 [2020-07-08 23:39:29,763 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2020-07-08 23:39:29,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2020-07-08 23:39:31,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 152. [2020-07-08 23:39:31,938 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 23:39:31,939 INFO L82 GeneralOperation]: Start isEquivalent. First operand 437 states. Second operand 152 states. [2020-07-08 23:39:31,939 INFO L74 IsIncluded]: Start isIncluded. First operand 437 states. Second operand 152 states. [2020-07-08 23:39:31,939 INFO L87 Difference]: Start difference. First operand 437 states. Second operand 152 states. [2020-07-08 23:39:31,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:39:31,950 INFO L93 Difference]: Finished difference Result 437 states and 451 transitions. [2020-07-08 23:39:31,950 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 451 transitions. [2020-07-08 23:39:31,950 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:39:31,950 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:39:31,951 INFO L74 IsIncluded]: Start isIncluded. First operand 152 states. Second operand 437 states. [2020-07-08 23:39:31,951 INFO L87 Difference]: Start difference. First operand 152 states. Second operand 437 states. [2020-07-08 23:39:31,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:39:31,961 INFO L93 Difference]: Finished difference Result 437 states and 451 transitions. [2020-07-08 23:39:31,961 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 451 transitions. [2020-07-08 23:39:31,961 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:39:31,962 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:39:31,962 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 23:39:31,962 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 23:39:31,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-07-08 23:39:31,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 156 transitions. [2020-07-08 23:39:31,965 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 156 transitions. Word has length 84 [2020-07-08 23:39:31,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 23:39:31,965 INFO L479 AbstractCegarLoop]: Abstraction has 152 states and 156 transitions. [2020-07-08 23:39:31,965 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-08 23:39:31,965 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 152 states and 156 transitions. [2020-07-08 23:39:32,794 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 156 edges. 156 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:39:32,794 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 156 transitions. [2020-07-08 23:39:32,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-08 23:39:32,796 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 23:39:32,796 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 23:39:32,796 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-07-08 23:39:32,797 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 23:39:32,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 23:39:32,797 INFO L82 PathProgramCache]: Analyzing trace with hash 274017809, now seen corresponding path program 1 times [2020-07-08 23:39:32,798 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 23:39:32,798 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [963490464] [2020-07-08 23:39:32,798 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 23:39:32,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:39:32,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:39:32,937 INFO L280 TraceCheckUtils]: 0: Hoare triple {19682#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {19670#true} is VALID [2020-07-08 23:39:32,938 INFO L280 TraceCheckUtils]: 1: Hoare triple {19670#true} ~__return_334~0 := 0; {19670#true} is VALID [2020-07-08 23:39:32,938 INFO L280 TraceCheckUtils]: 2: Hoare triple {19670#true} assume true; {19670#true} is VALID [2020-07-08 23:39:32,938 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {19670#true} {19670#true} #261#return; {19670#true} is VALID [2020-07-08 23:39:32,939 INFO L263 TraceCheckUtils]: 0: Hoare triple {19670#true} call ULTIMATE.init(); {19682#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} is VALID [2020-07-08 23:39:32,939 INFO L280 TraceCheckUtils]: 1: Hoare triple {19682#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {19670#true} is VALID [2020-07-08 23:39:32,939 INFO L280 TraceCheckUtils]: 2: Hoare triple {19670#true} ~__return_334~0 := 0; {19670#true} is VALID [2020-07-08 23:39:32,940 INFO L280 TraceCheckUtils]: 3: Hoare triple {19670#true} assume true; {19670#true} is VALID [2020-07-08 23:39:32,940 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {19670#true} {19670#true} #261#return; {19670#true} is VALID [2020-07-08 23:39:32,940 INFO L263 TraceCheckUtils]: 5: Hoare triple {19670#true} call #t~ret3 := main(); {19670#true} is VALID [2020-07-08 23:39:32,940 INFO L280 TraceCheckUtils]: 6: Hoare triple {19670#true} havoc ~main__len~0; {19670#true} is VALID [2020-07-08 23:39:32,940 INFO L280 TraceCheckUtils]: 7: Hoare triple {19670#true} havoc ~main__i~0; {19670#true} is VALID [2020-07-08 23:39:32,941 INFO L280 TraceCheckUtils]: 8: Hoare triple {19670#true} havoc ~main__j~0; {19670#true} is VALID [2020-07-08 23:39:32,941 INFO L280 TraceCheckUtils]: 9: Hoare triple {19670#true} havoc ~main__bufsize~0; {19670#true} is VALID [2020-07-08 23:39:32,941 INFO L280 TraceCheckUtils]: 10: Hoare triple {19670#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {19670#true} is VALID [2020-07-08 23:39:32,941 INFO L280 TraceCheckUtils]: 11: Hoare triple {19670#true} ~main__bufsize~0 := #t~nondet0; {19670#true} is VALID [2020-07-08 23:39:32,941 INFO L280 TraceCheckUtils]: 12: Hoare triple {19670#true} havoc #t~nondet0; {19670#true} is VALID [2020-07-08 23:39:32,942 INFO L280 TraceCheckUtils]: 13: Hoare triple {19670#true} assume !(~main__bufsize~0 < 0); {19670#true} is VALID [2020-07-08 23:39:32,942 INFO L280 TraceCheckUtils]: 14: Hoare triple {19670#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {19670#true} is VALID [2020-07-08 23:39:32,942 INFO L280 TraceCheckUtils]: 15: Hoare triple {19670#true} ~main__len~0 := #t~nondet1; {19670#true} is VALID [2020-07-08 23:39:32,942 INFO L280 TraceCheckUtils]: 16: Hoare triple {19670#true} havoc #t~nondet1; {19670#true} is VALID [2020-07-08 23:39:32,944 INFO L280 TraceCheckUtils]: 17: Hoare triple {19670#true} ~main__limit~0 := ~main__bufsize~0 - 4; {19676#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,944 INFO L280 TraceCheckUtils]: 18: Hoare triple {19676#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} ~main__i~0 := 0; {19676#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,945 INFO L280 TraceCheckUtils]: 19: Hoare triple {19676#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} assume ~main__i~0 < ~main__len~0; {19676#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,945 INFO L280 TraceCheckUtils]: 20: Hoare triple {19676#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} ~main__j~0 := 0; {19676#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,946 INFO L280 TraceCheckUtils]: 21: Hoare triple {19676#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} assume ~main__i~0 < ~main__len~0; {19676#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,947 INFO L280 TraceCheckUtils]: 22: Hoare triple {19676#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} assume ~main__j~0 < ~main__limit~0; {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,948 INFO L280 TraceCheckUtils]: 23: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} assume 1 + ~main__i~0 < ~main__len~0; {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,948 INFO L280 TraceCheckUtils]: 24: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__tmp_1~0; {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,949 INFO L280 TraceCheckUtils]: 25: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__tmp_1~0 := (if 1 + ~main__i~0 < ~main__len~0 then 1 else 0); {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,949 INFO L280 TraceCheckUtils]: 26: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__VERIFIER_assert__cond~0; {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,950 INFO L280 TraceCheckUtils]: 27: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,950 INFO L280 TraceCheckUtils]: 28: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} assume !(0 == ~__VERIFIER_assert__cond~0); {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,951 INFO L280 TraceCheckUtils]: 29: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__tmp_2~0; {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,952 INFO L280 TraceCheckUtils]: 30: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__tmp_2~0 := (if 0 <= ~main__i~0 then 1 else 0); {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,952 INFO L280 TraceCheckUtils]: 31: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__VERIFIER_assert__cond~1; {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,953 INFO L280 TraceCheckUtils]: 32: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,953 INFO L280 TraceCheckUtils]: 33: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} assume !(0 == ~__VERIFIER_assert__cond~1); {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,954 INFO L280 TraceCheckUtils]: 34: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~main____CPAchecker_TMP_0~0; {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,954 INFO L280 TraceCheckUtils]: 35: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,955 INFO L280 TraceCheckUtils]: 36: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~main____CPAchecker_TMP_0~0 := #t~nondet2; {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,955 INFO L280 TraceCheckUtils]: 37: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc #t~nondet2; {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,956 INFO L280 TraceCheckUtils]: 38: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} assume !!(0 == ~main____CPAchecker_TMP_0~0); {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,956 INFO L280 TraceCheckUtils]: 39: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__tmp_7~0; {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,957 INFO L280 TraceCheckUtils]: 40: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__tmp_7~0 := (if ~main__i~0 < ~main__len~0 then 1 else 0); {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,957 INFO L280 TraceCheckUtils]: 41: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__VERIFIER_assert__cond~6; {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,958 INFO L280 TraceCheckUtils]: 42: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,959 INFO L280 TraceCheckUtils]: 43: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} assume !(0 == ~__VERIFIER_assert__cond~6); {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,959 INFO L280 TraceCheckUtils]: 44: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__tmp_8~0; {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,960 INFO L280 TraceCheckUtils]: 45: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__tmp_8~0 := (if 0 <= ~main__i~0 then 1 else 0); {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,961 INFO L280 TraceCheckUtils]: 46: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__VERIFIER_assert__cond~7; {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,961 INFO L280 TraceCheckUtils]: 47: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,962 INFO L280 TraceCheckUtils]: 48: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} assume !(0 == ~__VERIFIER_assert__cond~7); {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,962 INFO L280 TraceCheckUtils]: 49: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__tmp_9~0; {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,963 INFO L280 TraceCheckUtils]: 50: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__tmp_9~0 := (if ~main__j~0 < ~main__bufsize~0 then 1 else 0); {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,963 INFO L280 TraceCheckUtils]: 51: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__VERIFIER_assert__cond~8; {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,964 INFO L280 TraceCheckUtils]: 52: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,964 INFO L280 TraceCheckUtils]: 53: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} assume !(0 == ~__VERIFIER_assert__cond~8); {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,965 INFO L280 TraceCheckUtils]: 54: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__tmp_10~0; {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,965 INFO L280 TraceCheckUtils]: 55: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__tmp_10~0 := (if 0 <= ~main__j~0 then 1 else 0); {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,966 INFO L280 TraceCheckUtils]: 56: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__VERIFIER_assert__cond~9; {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,966 INFO L280 TraceCheckUtils]: 57: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,967 INFO L280 TraceCheckUtils]: 58: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} assume !(0 == ~__VERIFIER_assert__cond~9); {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,967 INFO L280 TraceCheckUtils]: 59: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~main____CPAchecker_TMP_1~0 := ~main__j~0; {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,968 INFO L280 TraceCheckUtils]: 60: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~main__j~0 := 1 + ~main__j~0; {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,969 INFO L280 TraceCheckUtils]: 61: Hoare triple {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} ~main____CPAchecker_TMP_2~0 := ~main__i~0; {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,969 INFO L280 TraceCheckUtils]: 62: Hoare triple {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} ~main__i~0 := 1 + ~main__i~0; {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,970 INFO L280 TraceCheckUtils]: 63: Hoare triple {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} havoc ~__tmp_11~0; {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,970 INFO L280 TraceCheckUtils]: 64: Hoare triple {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} ~__tmp_11~0 := (if ~main__i~0 < ~main__len~0 then 1 else 0); {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,971 INFO L280 TraceCheckUtils]: 65: Hoare triple {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} havoc ~__VERIFIER_assert__cond~10; {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,972 INFO L280 TraceCheckUtils]: 66: Hoare triple {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} ~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,972 INFO L280 TraceCheckUtils]: 67: Hoare triple {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} assume !(0 == ~__VERIFIER_assert__cond~10); {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,973 INFO L280 TraceCheckUtils]: 68: Hoare triple {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} havoc ~__tmp_12~0; {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,973 INFO L280 TraceCheckUtils]: 69: Hoare triple {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} ~__tmp_12~0 := (if 0 <= ~main__i~0 then 1 else 0); {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,974 INFO L280 TraceCheckUtils]: 70: Hoare triple {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} havoc ~__VERIFIER_assert__cond~11; {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,974 INFO L280 TraceCheckUtils]: 71: Hoare triple {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} ~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,975 INFO L280 TraceCheckUtils]: 72: Hoare triple {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} assume !(0 == ~__VERIFIER_assert__cond~11); {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,976 INFO L280 TraceCheckUtils]: 73: Hoare triple {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} havoc ~__tmp_13~0; {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,976 INFO L280 TraceCheckUtils]: 74: Hoare triple {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} ~__tmp_13~0 := (if ~main__j~0 < ~main__bufsize~0 then 1 else 0); {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,977 INFO L280 TraceCheckUtils]: 75: Hoare triple {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} havoc ~__VERIFIER_assert__cond~12; {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,977 INFO L280 TraceCheckUtils]: 76: Hoare triple {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} ~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,978 INFO L280 TraceCheckUtils]: 77: Hoare triple {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} assume !(0 == ~__VERIFIER_assert__cond~12); {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,978 INFO L280 TraceCheckUtils]: 78: Hoare triple {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} havoc ~__tmp_14~0; {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,979 INFO L280 TraceCheckUtils]: 79: Hoare triple {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} ~__tmp_14~0 := (if 0 <= ~main__j~0 then 1 else 0); {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,979 INFO L280 TraceCheckUtils]: 80: Hoare triple {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} havoc ~__VERIFIER_assert__cond~13; {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,980 INFO L280 TraceCheckUtils]: 81: Hoare triple {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} ~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,980 INFO L280 TraceCheckUtils]: 82: Hoare triple {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} assume !(0 == ~__VERIFIER_assert__cond~13); {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,981 INFO L280 TraceCheckUtils]: 83: Hoare triple {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} ~main____CPAchecker_TMP_3~0 := ~main__j~0; {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,982 INFO L280 TraceCheckUtils]: 84: Hoare triple {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} ~main__j~0 := 1 + ~main__j~0; {19679#(<= (+ main_~main__j~0 3) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,983 INFO L280 TraceCheckUtils]: 85: Hoare triple {19679#(<= (+ main_~main__j~0 3) main_~main__bufsize~0)} ~main____CPAchecker_TMP_4~0 := ~main__i~0; {19679#(<= (+ main_~main__j~0 3) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,983 INFO L280 TraceCheckUtils]: 86: Hoare triple {19679#(<= (+ main_~main__j~0 3) main_~main__bufsize~0)} ~main__i~0 := 1 + ~main__i~0; {19679#(<= (+ main_~main__j~0 3) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,984 INFO L280 TraceCheckUtils]: 87: Hoare triple {19679#(<= (+ main_~main__j~0 3) main_~main__bufsize~0)} havoc ~__tmp_15~0; {19679#(<= (+ main_~main__j~0 3) main_~main__bufsize~0)} is VALID [2020-07-08 23:39:32,985 INFO L280 TraceCheckUtils]: 88: Hoare triple {19679#(<= (+ main_~main__j~0 3) main_~main__bufsize~0)} ~__tmp_15~0 := (if ~main__j~0 < ~main__bufsize~0 then 1 else 0); {19680#(not (= 0 main_~__tmp_15~0))} is VALID [2020-07-08 23:39:32,986 INFO L280 TraceCheckUtils]: 89: Hoare triple {19680#(not (= 0 main_~__tmp_15~0))} havoc ~__VERIFIER_assert__cond~14; {19680#(not (= 0 main_~__tmp_15~0))} is VALID [2020-07-08 23:39:32,986 INFO L280 TraceCheckUtils]: 90: Hoare triple {19680#(not (= 0 main_~__tmp_15~0))} ~__VERIFIER_assert__cond~14 := ~__tmp_15~0; {19681#(not (= main_~__VERIFIER_assert__cond~14 0))} is VALID [2020-07-08 23:39:32,987 INFO L280 TraceCheckUtils]: 91: Hoare triple {19681#(not (= main_~__VERIFIER_assert__cond~14 0))} assume 0 == ~__VERIFIER_assert__cond~14; {19671#false} is VALID [2020-07-08 23:39:32,987 INFO L280 TraceCheckUtils]: 92: Hoare triple {19671#false} assume !false; {19671#false} is VALID [2020-07-08 23:39:32,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 23:39:33,000 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [963490464] [2020-07-08 23:39:33,000 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 23:39:33,000 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-08 23:39:33,000 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129014173] [2020-07-08 23:39:33,001 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 93 [2020-07-08 23:39:33,001 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 23:39:33,001 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states. [2020-07-08 23:39:33,105 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 93 edges. 93 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:39:33,105 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-08 23:39:33,105 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 23:39:33,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-08 23:39:33,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-07-08 23:39:33,106 INFO L87 Difference]: Start difference. First operand 152 states and 156 transitions. Second operand 9 states. [2020-07-08 23:39:39,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:39:39,303 INFO L93 Difference]: Finished difference Result 281 states and 292 transitions. [2020-07-08 23:39:39,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-08 23:39:39,303 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 93 [2020-07-08 23:39:39,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 23:39:39,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-08 23:39:39,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 241 transitions. [2020-07-08 23:39:39,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-08 23:39:39,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 241 transitions. [2020-07-08 23:39:39,307 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states and 241 transitions. [2020-07-08 23:39:39,672 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 241 edges. 241 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:39:39,678 INFO L225 Difference]: With dead ends: 281 [2020-07-08 23:39:39,678 INFO L226 Difference]: Without dead ends: 279 [2020-07-08 23:39:39,679 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2020-07-08 23:39:39,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2020-07-08 23:39:41,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 150. [2020-07-08 23:39:41,791 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 23:39:41,791 INFO L82 GeneralOperation]: Start isEquivalent. First operand 279 states. Second operand 150 states. [2020-07-08 23:39:41,791 INFO L74 IsIncluded]: Start isIncluded. First operand 279 states. Second operand 150 states. [2020-07-08 23:39:41,791 INFO L87 Difference]: Start difference. First operand 279 states. Second operand 150 states. [2020-07-08 23:39:41,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:39:41,797 INFO L93 Difference]: Finished difference Result 279 states and 290 transitions. [2020-07-08 23:39:41,797 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 290 transitions. [2020-07-08 23:39:41,798 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:39:41,798 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:39:41,798 INFO L74 IsIncluded]: Start isIncluded. First operand 150 states. Second operand 279 states. [2020-07-08 23:39:41,798 INFO L87 Difference]: Start difference. First operand 150 states. Second operand 279 states. [2020-07-08 23:39:41,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:39:41,804 INFO L93 Difference]: Finished difference Result 279 states and 290 transitions. [2020-07-08 23:39:41,804 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 290 transitions. [2020-07-08 23:39:41,804 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:39:41,805 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:39:41,805 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 23:39:41,805 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 23:39:41,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-07-08 23:39:41,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 154 transitions. [2020-07-08 23:39:41,808 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 154 transitions. Word has length 93 [2020-07-08 23:39:41,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 23:39:41,808 INFO L479 AbstractCegarLoop]: Abstraction has 150 states and 154 transitions. [2020-07-08 23:39:41,808 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-08 23:39:41,808 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 150 states and 154 transitions. [2020-07-08 23:39:42,653 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 154 edges. 154 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:39:42,654 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 154 transitions. [2020-07-08 23:39:42,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-08 23:39:42,655 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 23:39:42,655 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 23:39:42,656 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-07-08 23:39:42,656 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 23:39:42,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 23:39:42,656 INFO L82 PathProgramCache]: Analyzing trace with hash 1620264573, now seen corresponding path program 1 times [2020-07-08 23:39:42,657 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 23:39:42,657 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2018812403] [2020-07-08 23:39:42,657 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 23:39:42,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:39:42,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:39:42,764 INFO L280 TraceCheckUtils]: 0: Hoare triple {21136#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {21125#true} is VALID [2020-07-08 23:39:42,765 INFO L280 TraceCheckUtils]: 1: Hoare triple {21125#true} ~__return_334~0 := 0; {21125#true} is VALID [2020-07-08 23:39:42,765 INFO L280 TraceCheckUtils]: 2: Hoare triple {21125#true} assume true; {21125#true} is VALID [2020-07-08 23:39:42,765 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {21125#true} {21125#true} #261#return; {21125#true} is VALID [2020-07-08 23:39:42,766 INFO L263 TraceCheckUtils]: 0: Hoare triple {21125#true} call ULTIMATE.init(); {21136#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} is VALID [2020-07-08 23:39:42,767 INFO L280 TraceCheckUtils]: 1: Hoare triple {21136#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {21125#true} is VALID [2020-07-08 23:39:42,767 INFO L280 TraceCheckUtils]: 2: Hoare triple {21125#true} ~__return_334~0 := 0; {21125#true} is VALID [2020-07-08 23:39:42,767 INFO L280 TraceCheckUtils]: 3: Hoare triple {21125#true} assume true; {21125#true} is VALID [2020-07-08 23:39:42,767 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {21125#true} {21125#true} #261#return; {21125#true} is VALID [2020-07-08 23:39:42,768 INFO L263 TraceCheckUtils]: 5: Hoare triple {21125#true} call #t~ret3 := main(); {21125#true} is VALID [2020-07-08 23:39:42,768 INFO L280 TraceCheckUtils]: 6: Hoare triple {21125#true} havoc ~main__len~0; {21125#true} is VALID [2020-07-08 23:39:42,768 INFO L280 TraceCheckUtils]: 7: Hoare triple {21125#true} havoc ~main__i~0; {21125#true} is VALID [2020-07-08 23:39:42,768 INFO L280 TraceCheckUtils]: 8: Hoare triple {21125#true} havoc ~main__j~0; {21125#true} is VALID [2020-07-08 23:39:42,768 INFO L280 TraceCheckUtils]: 9: Hoare triple {21125#true} havoc ~main__bufsize~0; {21125#true} is VALID [2020-07-08 23:39:42,769 INFO L280 TraceCheckUtils]: 10: Hoare triple {21125#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {21125#true} is VALID [2020-07-08 23:39:42,769 INFO L280 TraceCheckUtils]: 11: Hoare triple {21125#true} ~main__bufsize~0 := #t~nondet0; {21125#true} is VALID [2020-07-08 23:39:42,769 INFO L280 TraceCheckUtils]: 12: Hoare triple {21125#true} havoc #t~nondet0; {21125#true} is VALID [2020-07-08 23:39:42,769 INFO L280 TraceCheckUtils]: 13: Hoare triple {21125#true} assume !(~main__bufsize~0 < 0); {21125#true} is VALID [2020-07-08 23:39:42,769 INFO L280 TraceCheckUtils]: 14: Hoare triple {21125#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {21125#true} is VALID [2020-07-08 23:39:42,770 INFO L280 TraceCheckUtils]: 15: Hoare triple {21125#true} ~main__len~0 := #t~nondet1; {21125#true} is VALID [2020-07-08 23:39:42,770 INFO L280 TraceCheckUtils]: 16: Hoare triple {21125#true} havoc #t~nondet1; {21125#true} is VALID [2020-07-08 23:39:42,770 INFO L280 TraceCheckUtils]: 17: Hoare triple {21125#true} ~main__limit~0 := ~main__bufsize~0 - 4; {21125#true} is VALID [2020-07-08 23:39:42,770 INFO L280 TraceCheckUtils]: 18: Hoare triple {21125#true} ~main__i~0 := 0; {21125#true} is VALID [2020-07-08 23:39:42,770 INFO L280 TraceCheckUtils]: 19: Hoare triple {21125#true} assume ~main__i~0 < ~main__len~0; {21125#true} is VALID [2020-07-08 23:39:42,771 INFO L280 TraceCheckUtils]: 20: Hoare triple {21125#true} ~main__j~0 := 0; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:42,772 INFO L280 TraceCheckUtils]: 21: Hoare triple {21131#(<= 0 main_~main__j~0)} assume ~main__i~0 < ~main__len~0; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:42,773 INFO L280 TraceCheckUtils]: 22: Hoare triple {21131#(<= 0 main_~main__j~0)} assume ~main__j~0 < ~main__limit~0; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:42,773 INFO L280 TraceCheckUtils]: 23: Hoare triple {21131#(<= 0 main_~main__j~0)} assume 1 + ~main__i~0 < ~main__len~0; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:42,774 INFO L280 TraceCheckUtils]: 24: Hoare triple {21131#(<= 0 main_~main__j~0)} havoc ~__tmp_1~0; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:42,774 INFO L280 TraceCheckUtils]: 25: Hoare triple {21131#(<= 0 main_~main__j~0)} ~__tmp_1~0 := (if 1 + ~main__i~0 < ~main__len~0 then 1 else 0); {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:42,775 INFO L280 TraceCheckUtils]: 26: Hoare triple {21131#(<= 0 main_~main__j~0)} havoc ~__VERIFIER_assert__cond~0; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:42,775 INFO L280 TraceCheckUtils]: 27: Hoare triple {21131#(<= 0 main_~main__j~0)} ~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:42,776 INFO L280 TraceCheckUtils]: 28: Hoare triple {21131#(<= 0 main_~main__j~0)} assume !(0 == ~__VERIFIER_assert__cond~0); {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:42,776 INFO L280 TraceCheckUtils]: 29: Hoare triple {21131#(<= 0 main_~main__j~0)} havoc ~__tmp_2~0; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:42,777 INFO L280 TraceCheckUtils]: 30: Hoare triple {21131#(<= 0 main_~main__j~0)} ~__tmp_2~0 := (if 0 <= ~main__i~0 then 1 else 0); {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:42,777 INFO L280 TraceCheckUtils]: 31: Hoare triple {21131#(<= 0 main_~main__j~0)} havoc ~__VERIFIER_assert__cond~1; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:42,778 INFO L280 TraceCheckUtils]: 32: Hoare triple {21131#(<= 0 main_~main__j~0)} ~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:42,778 INFO L280 TraceCheckUtils]: 33: Hoare triple {21131#(<= 0 main_~main__j~0)} assume !(0 == ~__VERIFIER_assert__cond~1); {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:42,779 INFO L280 TraceCheckUtils]: 34: Hoare triple {21131#(<= 0 main_~main__j~0)} havoc ~main____CPAchecker_TMP_0~0; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:42,779 INFO L280 TraceCheckUtils]: 35: Hoare triple {21131#(<= 0 main_~main__j~0)} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:42,780 INFO L280 TraceCheckUtils]: 36: Hoare triple {21131#(<= 0 main_~main__j~0)} ~main____CPAchecker_TMP_0~0 := #t~nondet2; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:42,780 INFO L280 TraceCheckUtils]: 37: Hoare triple {21131#(<= 0 main_~main__j~0)} havoc #t~nondet2; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:42,781 INFO L280 TraceCheckUtils]: 38: Hoare triple {21131#(<= 0 main_~main__j~0)} assume !!(0 == ~main____CPAchecker_TMP_0~0); {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:42,781 INFO L280 TraceCheckUtils]: 39: Hoare triple {21131#(<= 0 main_~main__j~0)} havoc ~__tmp_7~0; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:42,782 INFO L280 TraceCheckUtils]: 40: Hoare triple {21131#(<= 0 main_~main__j~0)} ~__tmp_7~0 := (if ~main__i~0 < ~main__len~0 then 1 else 0); {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:42,782 INFO L280 TraceCheckUtils]: 41: Hoare triple {21131#(<= 0 main_~main__j~0)} havoc ~__VERIFIER_assert__cond~6; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:42,783 INFO L280 TraceCheckUtils]: 42: Hoare triple {21131#(<= 0 main_~main__j~0)} ~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:42,783 INFO L280 TraceCheckUtils]: 43: Hoare triple {21131#(<= 0 main_~main__j~0)} assume !(0 == ~__VERIFIER_assert__cond~6); {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:42,784 INFO L280 TraceCheckUtils]: 44: Hoare triple {21131#(<= 0 main_~main__j~0)} havoc ~__tmp_8~0; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:42,785 INFO L280 TraceCheckUtils]: 45: Hoare triple {21131#(<= 0 main_~main__j~0)} ~__tmp_8~0 := (if 0 <= ~main__i~0 then 1 else 0); {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:42,785 INFO L280 TraceCheckUtils]: 46: Hoare triple {21131#(<= 0 main_~main__j~0)} havoc ~__VERIFIER_assert__cond~7; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:42,786 INFO L280 TraceCheckUtils]: 47: Hoare triple {21131#(<= 0 main_~main__j~0)} ~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:42,786 INFO L280 TraceCheckUtils]: 48: Hoare triple {21131#(<= 0 main_~main__j~0)} assume !(0 == ~__VERIFIER_assert__cond~7); {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:42,787 INFO L280 TraceCheckUtils]: 49: Hoare triple {21131#(<= 0 main_~main__j~0)} havoc ~__tmp_9~0; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:42,788 INFO L280 TraceCheckUtils]: 50: Hoare triple {21131#(<= 0 main_~main__j~0)} ~__tmp_9~0 := (if ~main__j~0 < ~main__bufsize~0 then 1 else 0); {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:42,788 INFO L280 TraceCheckUtils]: 51: Hoare triple {21131#(<= 0 main_~main__j~0)} havoc ~__VERIFIER_assert__cond~8; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:42,789 INFO L280 TraceCheckUtils]: 52: Hoare triple {21131#(<= 0 main_~main__j~0)} ~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:42,789 INFO L280 TraceCheckUtils]: 53: Hoare triple {21131#(<= 0 main_~main__j~0)} assume !(0 == ~__VERIFIER_assert__cond~8); {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:42,790 INFO L280 TraceCheckUtils]: 54: Hoare triple {21131#(<= 0 main_~main__j~0)} havoc ~__tmp_10~0; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:42,790 INFO L280 TraceCheckUtils]: 55: Hoare triple {21131#(<= 0 main_~main__j~0)} ~__tmp_10~0 := (if 0 <= ~main__j~0 then 1 else 0); {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:42,791 INFO L280 TraceCheckUtils]: 56: Hoare triple {21131#(<= 0 main_~main__j~0)} havoc ~__VERIFIER_assert__cond~9; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:42,792 INFO L280 TraceCheckUtils]: 57: Hoare triple {21131#(<= 0 main_~main__j~0)} ~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:42,792 INFO L280 TraceCheckUtils]: 58: Hoare triple {21131#(<= 0 main_~main__j~0)} assume !(0 == ~__VERIFIER_assert__cond~9); {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:42,793 INFO L280 TraceCheckUtils]: 59: Hoare triple {21131#(<= 0 main_~main__j~0)} ~main____CPAchecker_TMP_1~0 := ~main__j~0; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-08 23:39:42,794 INFO L280 TraceCheckUtils]: 60: Hoare triple {21131#(<= 0 main_~main__j~0)} ~main__j~0 := 1 + ~main__j~0; {21132#(<= 1 main_~main__j~0)} is VALID [2020-07-08 23:39:42,794 INFO L280 TraceCheckUtils]: 61: Hoare triple {21132#(<= 1 main_~main__j~0)} ~main____CPAchecker_TMP_2~0 := ~main__i~0; {21132#(<= 1 main_~main__j~0)} is VALID [2020-07-08 23:39:42,795 INFO L280 TraceCheckUtils]: 62: Hoare triple {21132#(<= 1 main_~main__j~0)} ~main__i~0 := 1 + ~main__i~0; {21132#(<= 1 main_~main__j~0)} is VALID [2020-07-08 23:39:42,795 INFO L280 TraceCheckUtils]: 63: Hoare triple {21132#(<= 1 main_~main__j~0)} havoc ~__tmp_11~0; {21132#(<= 1 main_~main__j~0)} is VALID [2020-07-08 23:39:42,796 INFO L280 TraceCheckUtils]: 64: Hoare triple {21132#(<= 1 main_~main__j~0)} ~__tmp_11~0 := (if ~main__i~0 < ~main__len~0 then 1 else 0); {21132#(<= 1 main_~main__j~0)} is VALID [2020-07-08 23:39:42,796 INFO L280 TraceCheckUtils]: 65: Hoare triple {21132#(<= 1 main_~main__j~0)} havoc ~__VERIFIER_assert__cond~10; {21132#(<= 1 main_~main__j~0)} is VALID [2020-07-08 23:39:42,797 INFO L280 TraceCheckUtils]: 66: Hoare triple {21132#(<= 1 main_~main__j~0)} ~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {21132#(<= 1 main_~main__j~0)} is VALID [2020-07-08 23:39:42,798 INFO L280 TraceCheckUtils]: 67: Hoare triple {21132#(<= 1 main_~main__j~0)} assume !(0 == ~__VERIFIER_assert__cond~10); {21132#(<= 1 main_~main__j~0)} is VALID [2020-07-08 23:39:42,798 INFO L280 TraceCheckUtils]: 68: Hoare triple {21132#(<= 1 main_~main__j~0)} havoc ~__tmp_12~0; {21132#(<= 1 main_~main__j~0)} is VALID [2020-07-08 23:39:42,799 INFO L280 TraceCheckUtils]: 69: Hoare triple {21132#(<= 1 main_~main__j~0)} ~__tmp_12~0 := (if 0 <= ~main__i~0 then 1 else 0); {21132#(<= 1 main_~main__j~0)} is VALID [2020-07-08 23:39:42,800 INFO L280 TraceCheckUtils]: 70: Hoare triple {21132#(<= 1 main_~main__j~0)} havoc ~__VERIFIER_assert__cond~11; {21132#(<= 1 main_~main__j~0)} is VALID [2020-07-08 23:39:42,800 INFO L280 TraceCheckUtils]: 71: Hoare triple {21132#(<= 1 main_~main__j~0)} ~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {21132#(<= 1 main_~main__j~0)} is VALID [2020-07-08 23:39:42,801 INFO L280 TraceCheckUtils]: 72: Hoare triple {21132#(<= 1 main_~main__j~0)} assume !(0 == ~__VERIFIER_assert__cond~11); {21132#(<= 1 main_~main__j~0)} is VALID [2020-07-08 23:39:42,801 INFO L280 TraceCheckUtils]: 73: Hoare triple {21132#(<= 1 main_~main__j~0)} havoc ~__tmp_13~0; {21132#(<= 1 main_~main__j~0)} is VALID [2020-07-08 23:39:42,802 INFO L280 TraceCheckUtils]: 74: Hoare triple {21132#(<= 1 main_~main__j~0)} ~__tmp_13~0 := (if ~main__j~0 < ~main__bufsize~0 then 1 else 0); {21132#(<= 1 main_~main__j~0)} is VALID [2020-07-08 23:39:42,803 INFO L280 TraceCheckUtils]: 75: Hoare triple {21132#(<= 1 main_~main__j~0)} havoc ~__VERIFIER_assert__cond~12; {21132#(<= 1 main_~main__j~0)} is VALID [2020-07-08 23:39:42,804 INFO L280 TraceCheckUtils]: 76: Hoare triple {21132#(<= 1 main_~main__j~0)} ~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {21132#(<= 1 main_~main__j~0)} is VALID [2020-07-08 23:39:42,805 INFO L280 TraceCheckUtils]: 77: Hoare triple {21132#(<= 1 main_~main__j~0)} assume !(0 == ~__VERIFIER_assert__cond~12); {21132#(<= 1 main_~main__j~0)} is VALID [2020-07-08 23:39:42,806 INFO L280 TraceCheckUtils]: 78: Hoare triple {21132#(<= 1 main_~main__j~0)} havoc ~__tmp_14~0; {21132#(<= 1 main_~main__j~0)} is VALID [2020-07-08 23:39:42,806 INFO L280 TraceCheckUtils]: 79: Hoare triple {21132#(<= 1 main_~main__j~0)} ~__tmp_14~0 := (if 0 <= ~main__j~0 then 1 else 0); {21132#(<= 1 main_~main__j~0)} is VALID [2020-07-08 23:39:42,807 INFO L280 TraceCheckUtils]: 80: Hoare triple {21132#(<= 1 main_~main__j~0)} havoc ~__VERIFIER_assert__cond~13; {21132#(<= 1 main_~main__j~0)} is VALID [2020-07-08 23:39:42,808 INFO L280 TraceCheckUtils]: 81: Hoare triple {21132#(<= 1 main_~main__j~0)} ~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {21132#(<= 1 main_~main__j~0)} is VALID [2020-07-08 23:39:42,809 INFO L280 TraceCheckUtils]: 82: Hoare triple {21132#(<= 1 main_~main__j~0)} assume !(0 == ~__VERIFIER_assert__cond~13); {21132#(<= 1 main_~main__j~0)} is VALID [2020-07-08 23:39:42,810 INFO L280 TraceCheckUtils]: 83: Hoare triple {21132#(<= 1 main_~main__j~0)} ~main____CPAchecker_TMP_3~0 := ~main__j~0; {21132#(<= 1 main_~main__j~0)} is VALID [2020-07-08 23:39:42,811 INFO L280 TraceCheckUtils]: 84: Hoare triple {21132#(<= 1 main_~main__j~0)} ~main__j~0 := 1 + ~main__j~0; {21133#(<= 2 main_~main__j~0)} is VALID [2020-07-08 23:39:42,812 INFO L280 TraceCheckUtils]: 85: Hoare triple {21133#(<= 2 main_~main__j~0)} ~main____CPAchecker_TMP_4~0 := ~main__i~0; {21133#(<= 2 main_~main__j~0)} is VALID [2020-07-08 23:39:42,812 INFO L280 TraceCheckUtils]: 86: Hoare triple {21133#(<= 2 main_~main__j~0)} ~main__i~0 := 1 + ~main__i~0; {21133#(<= 2 main_~main__j~0)} is VALID [2020-07-08 23:39:42,813 INFO L280 TraceCheckUtils]: 87: Hoare triple {21133#(<= 2 main_~main__j~0)} havoc ~__tmp_15~0; {21133#(<= 2 main_~main__j~0)} is VALID [2020-07-08 23:39:42,814 INFO L280 TraceCheckUtils]: 88: Hoare triple {21133#(<= 2 main_~main__j~0)} ~__tmp_15~0 := (if ~main__j~0 < ~main__bufsize~0 then 1 else 0); {21133#(<= 2 main_~main__j~0)} is VALID [2020-07-08 23:39:42,815 INFO L280 TraceCheckUtils]: 89: Hoare triple {21133#(<= 2 main_~main__j~0)} havoc ~__VERIFIER_assert__cond~14; {21133#(<= 2 main_~main__j~0)} is VALID [2020-07-08 23:39:42,816 INFO L280 TraceCheckUtils]: 90: Hoare triple {21133#(<= 2 main_~main__j~0)} ~__VERIFIER_assert__cond~14 := ~__tmp_15~0; {21133#(<= 2 main_~main__j~0)} is VALID [2020-07-08 23:39:42,816 INFO L280 TraceCheckUtils]: 91: Hoare triple {21133#(<= 2 main_~main__j~0)} assume !(0 == ~__VERIFIER_assert__cond~14); {21133#(<= 2 main_~main__j~0)} is VALID [2020-07-08 23:39:42,817 INFO L280 TraceCheckUtils]: 92: Hoare triple {21133#(<= 2 main_~main__j~0)} havoc ~__tmp_16~0; {21133#(<= 2 main_~main__j~0)} is VALID [2020-07-08 23:39:42,818 INFO L280 TraceCheckUtils]: 93: Hoare triple {21133#(<= 2 main_~main__j~0)} ~__tmp_16~0 := (if 0 <= ~main__j~0 then 1 else 0); {21134#(not (= 0 main_~__tmp_16~0))} is VALID [2020-07-08 23:39:42,819 INFO L280 TraceCheckUtils]: 94: Hoare triple {21134#(not (= 0 main_~__tmp_16~0))} havoc ~__VERIFIER_assert__cond~15; {21134#(not (= 0 main_~__tmp_16~0))} is VALID [2020-07-08 23:39:42,820 INFO L280 TraceCheckUtils]: 95: Hoare triple {21134#(not (= 0 main_~__tmp_16~0))} ~__VERIFIER_assert__cond~15 := ~__tmp_16~0; {21135#(not (= main_~__VERIFIER_assert__cond~15 0))} is VALID [2020-07-08 23:39:42,821 INFO L280 TraceCheckUtils]: 96: Hoare triple {21135#(not (= main_~__VERIFIER_assert__cond~15 0))} assume 0 == ~__VERIFIER_assert__cond~15; {21126#false} is VALID [2020-07-08 23:39:42,821 INFO L280 TraceCheckUtils]: 97: Hoare triple {21126#false} assume !false; {21126#false} is VALID [2020-07-08 23:39:42,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 23:39:42,834 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2018812403] [2020-07-08 23:39:42,834 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 23:39:42,834 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-08 23:39:42,834 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897946479] [2020-07-08 23:39:42,835 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2020-07-08 23:39:42,835 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 23:39:42,835 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-08 23:39:42,965 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 98 edges. 98 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:39:42,966 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-08 23:39:42,966 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 23:39:42,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-08 23:39:42,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-08 23:39:42,967 INFO L87 Difference]: Start difference. First operand 150 states and 154 transitions. Second operand 8 states. [2020-07-08 23:39:56,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:39:56,778 INFO L93 Difference]: Finished difference Result 679 states and 701 transitions. [2020-07-08 23:39:56,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-08 23:39:56,778 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2020-07-08 23:39:56,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 23:39:56,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-08 23:39:56,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 557 transitions. [2020-07-08 23:39:56,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-08 23:39:56,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 557 transitions. [2020-07-08 23:39:56,783 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 557 transitions. [2020-07-08 23:39:57,585 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 557 edges. 557 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:39:57,585 INFO L225 Difference]: With dead ends: 679 [2020-07-08 23:39:57,585 INFO L226 Difference]: Without dead ends: 0 [2020-07-08 23:39:57,589 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2020-07-08 23:39:57,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-08 23:39:57,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-08 23:39:57,589 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 23:39:57,589 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-08 23:39:57,589 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-08 23:39:57,590 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-08 23:39:57,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:39:57,590 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-08 23:39:57,590 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-08 23:39:57,590 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:39:57,590 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:39:57,590 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-08 23:39:57,590 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-08 23:39:57,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:39:57,590 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-08 23:39:57,591 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-08 23:39:57,591 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:39:57,591 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:39:57,591 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 23:39:57,591 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 23:39:57,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-08 23:39:57,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-08 23:39:57,591 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 98 [2020-07-08 23:39:57,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 23:39:57,592 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-08 23:39:57,592 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-08 23:39:57,592 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 0 states and 0 transitions. [2020-07-08 23:39:57,592 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:39:57,592 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-08 23:39:57,592 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:39:57,592 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-07-08 23:39:57,594 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-08 23:39:57,752 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 78 [2020-07-08 23:39:58,183 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 95 [2020-07-08 23:39:58,619 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 57 [2020-07-08 23:39:58,997 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 142 [2020-07-08 23:39:59,212 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 140 [2020-07-08 23:39:59,424 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 119 [2020-07-08 23:39:59,589 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 124 [2020-07-08 23:40:00,096 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 127 [2020-07-08 23:40:00,491 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 127 [2020-07-08 23:40:00,710 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 102 [2020-07-08 23:40:00,847 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 127 [2020-07-08 23:40:00,999 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 120 [2020-07-08 23:40:01,117 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 119 [2020-07-08 23:40:01,258 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 127 [2020-07-08 23:40:01,492 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 158 [2020-07-08 23:40:01,678 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 155 [2020-07-08 23:40:01,825 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 161 [2020-07-08 23:40:02,139 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 145 [2020-07-08 23:40:02,348 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 142 [2020-07-08 23:40:02,585 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 139 [2020-07-08 23:40:02,773 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 158 [2020-07-08 23:40:02,931 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 160 [2020-07-08 23:40:04,305 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 146 [2020-07-08 23:40:04,513 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 156 [2020-07-08 23:40:04,898 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 115 [2020-07-08 23:40:05,036 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 157 [2020-07-08 23:40:05,162 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 146 [2020-07-08 23:40:06,313 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 125 [2020-07-08 23:40:06,488 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 142 [2020-07-08 23:40:06,598 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 166 [2020-07-08 23:40:06,709 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 162 [2020-07-08 23:40:06,825 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 159 [2020-07-08 23:40:07,173 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 52 [2020-07-08 23:40:07,424 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 56 [2020-07-08 23:40:07,608 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 77 [2020-07-08 23:40:07,786 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 20 [2020-07-08 23:40:08,224 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 28 [2020-07-08 23:40:08,513 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 40 [2020-07-08 23:40:08,785 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 40 [2020-07-08 23:40:09,076 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 45 [2020-07-08 23:40:09,319 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 66 [2020-07-08 23:40:09,559 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 69 [2020-07-08 23:40:09,820 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 75 [2020-07-08 23:40:09,991 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 80 [2020-07-08 23:40:10,310 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 35 [2020-07-08 23:40:10,592 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 57 [2020-07-08 23:40:10,714 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2020-07-08 23:40:10,960 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 66 [2020-07-08 23:40:11,293 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 35 [2020-07-08 23:40:11,491 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 89 [2020-07-08 23:40:11,792 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 16 [2020-07-08 23:40:12,082 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 35 [2020-07-08 23:40:12,311 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 27 [2020-07-08 23:40:12,621 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 30 [2020-07-08 23:40:12,950 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 35 [2020-07-08 23:40:13,515 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 39 [2020-07-08 23:40:14,051 WARN L193 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 42 [2020-07-08 23:40:14,532 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 46 [2020-07-08 23:40:14,742 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 55 [2020-07-08 23:40:14,914 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 80 [2020-07-08 23:40:15,087 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2020-07-08 23:40:15,285 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 89 [2020-07-08 23:40:15,787 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 26 [2020-07-08 23:40:16,172 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 30 [2020-07-08 23:40:16,542 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 35 [2020-07-08 23:40:17,093 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 39 [2020-07-08 23:40:17,494 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 45 [2020-07-08 23:40:17,733 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 40 [2020-07-08 23:40:17,920 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 41 [2020-07-08 23:40:18,261 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 48 [2020-07-08 23:40:18,413 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-07-08 23:40:18,622 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 55 [2020-07-08 23:40:18,808 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2020-07-08 23:40:19,050 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 20 [2020-07-08 23:40:19,228 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 13 [2020-07-08 23:40:19,557 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 34 [2020-07-08 23:40:19,795 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 40 [2020-07-08 23:40:19,983 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 61 [2020-07-08 23:40:20,337 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 63 [2020-07-08 23:40:20,481 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 69 [2020-07-08 23:40:20,727 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 72 [2020-07-08 23:40:20,890 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2020-07-08 23:40:21,177 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 33 [2020-07-08 23:40:21,421 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 34 [2020-07-08 23:40:21,540 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 54 [2020-07-08 23:40:21,728 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 61 [2020-07-08 23:40:21,910 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2020-07-08 23:40:22,092 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2020-07-08 23:40:22,465 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 33 [2020-07-08 23:40:22,762 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 35 [2020-07-08 23:40:23,121 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 35 [2020-07-08 23:40:23,523 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 36 [2020-07-08 23:40:23,990 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 44 [2020-07-08 23:40:24,470 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 46 [2020-07-08 23:40:24,685 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 50 [2020-07-08 23:40:24,954 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 53 [2020-07-08 23:40:25,202 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 56 [2020-07-08 23:40:25,372 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 77 [2020-07-08 23:40:25,548 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2020-07-08 23:40:25,748 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 89 [2020-07-08 23:40:26,046 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 25 [2020-07-08 23:40:26,579 WARN L193 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 29 [2020-07-08 23:40:26,955 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 35 [2020-07-08 23:40:27,406 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 42 [2020-07-08 23:40:27,666 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 45 [2020-07-08 23:40:27,884 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 50 [2020-07-08 23:40:28,098 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 55 [2020-07-08 23:40:28,358 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 72 [2020-07-08 23:40:28,619 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 75 [2020-07-08 23:40:28,790 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 80 [2020-07-08 23:40:28,968 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 19 [2020-07-08 23:40:29,294 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 35 [2020-07-08 23:40:29,521 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 58 [2020-07-08 23:40:29,649 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 63 [2020-07-08 23:40:29,903 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 67 [2020-07-08 23:40:30,151 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 72 [2020-07-08 23:40:30,311 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2020-07-08 23:40:30,521 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 26 [2020-07-08 23:40:30,814 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 34 [2020-07-08 23:40:31,123 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 35 [2020-07-08 23:40:31,522 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 45 [2020-07-08 23:40:31,781 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 54 [2020-07-08 23:40:31,946 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 80 [2020-07-08 23:40:32,131 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2020-07-08 23:40:32,598 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 43 [2020-07-08 23:40:32,782 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 23 [2020-07-08 23:40:33,159 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 28 [2020-07-08 23:40:33,667 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 31 [2020-07-08 23:40:34,217 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 37 [2020-07-08 23:40:34,694 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 40 [2020-07-08 23:40:35,085 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 45 [2020-07-08 23:40:35,370 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 45 [2020-07-08 23:40:35,461 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-07-08 23:40:35,461 INFO L271 CegarLoopResult]: At program point L10(line 10) the Hoare annotation is: true [2020-07-08 23:40:35,461 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|)) [2020-07-08 23:40:35,461 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-07-08 23:40:35,461 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-07-08 23:40:35,461 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-08 23:40:35,461 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-08 23:40:35,462 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-07-08 23:40:35,462 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 4 6) no Hoare annotation was computed. [2020-07-08 23:40:35,462 INFO L268 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2020-07-08 23:40:35,462 INFO L268 CegarLoopResult]: For program point L5-1(line 5) no Hoare annotation was computed. [2020-07-08 23:40:35,462 INFO L268 CegarLoopResult]: For program point L5-3(lines 4 6) no Hoare annotation was computed. [2020-07-08 23:40:35,462 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 4 6) no Hoare annotation was computed. [2020-07-08 23:40:35,465 INFO L264 CegarLoopResult]: At program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 86) the Hoare annotation is: false [2020-07-08 23:40:35,465 INFO L264 CegarLoopResult]: At program point L250(line 250) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~14 0)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__tmp_15~0)) (<= (+ main_~main__j~0 3) main_~main__bufsize~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_12~0)) (<= 2 main_~main__j~0) (not (= 0 main_~__tmp_7~0)) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (not (= 0 main_~__tmp_14~0)) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (not (= main_~__VERIFIER_assert__cond~13 0)) (not (= 0 main_~__tmp_9~0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_10~0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (not (= 0 main_~__tmp_13~0)) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,465 INFO L271 CegarLoopResult]: At program point mainEXIT(lines 11 311) the Hoare annotation is: true [2020-07-08 23:40:35,465 INFO L264 CegarLoopResult]: At program point L151(line 151) the Hoare annotation is: false [2020-07-08 23:40:35,466 INFO L264 CegarLoopResult]: At program point L118(line 118) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (< main_~main__i~0 main_~main__len~0) (not (= 0 main_~__tmp_4~0)) (not (= 0 main_~__VERIFIER_assert__cond~4)) (not (= 0 main_~__VERIFIER_assert__cond~2)) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~5)) (not (= 0 main_~__VERIFIER_assert__cond~3)) (<= 0 main_~main__i~0) (not (= 0 main_~__tmp_3~0)) (not (= 0 main_~__tmp_6~0)) (not (= 0 main_~__tmp_5~0)) (<= 1 main_~main__j~0)) [2020-07-08 23:40:35,466 INFO L264 CegarLoopResult]: At program point L52(line 52) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~0)) (< (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-08 23:40:35,466 INFO L264 CegarLoopResult]: At program point L234(line 234) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= (+ main_~main__j~0 3) main_~main__bufsize~0) (= 1 main_~__VERIFIER_assert__cond~1) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_12~0)) (<= 2 main_~main__j~0) (not (= 0 main_~__tmp_7~0)) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (not (= 0 main_~__tmp_14~0)) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (not (= main_~__VERIFIER_assert__cond~13 0)) (not (= 0 main_~__tmp_9~0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_10~0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (not (= 0 main_~__tmp_13~0)) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,466 INFO L264 CegarLoopResult]: At program point L201(lines 201 271) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (= 1 main_~__VERIFIER_assert__cond~1) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_12~0)) (not (= 0 main_~__tmp_10~0)) (not (= 0 main_~__tmp_7~0)) (<= 1 main_~main__j~0) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,467 INFO L264 CegarLoopResult]: At program point L135(line 135) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (not (= 0 main_~__VERIFIER_assert__cond~0)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__tmp_7~0)) (< (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= 1 main_~__tmp_2~0) (= 1 main_~__VERIFIER_assert__cond~1)) [2020-07-08 23:40:35,467 INFO L264 CegarLoopResult]: At program point L69(line 69) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (< main_~main__i~0 main_~main__len~0) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-08 23:40:35,467 INFO L264 CegarLoopResult]: At program point L36(lines 36 292) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (< main_~main__i~0 main_~main__len~0) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-08 23:40:35,468 INFO L264 CegarLoopResult]: At program point L251(line 251) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~14 0)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__tmp_15~0)) (<= (+ main_~main__j~0 3) main_~main__bufsize~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_12~0)) (<= 2 main_~main__j~0) (not (= 0 main_~__tmp_7~0)) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (not (= 0 main_~__tmp_14~0)) (not (= 0 main_~__tmp_16~0)) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (not (= main_~__VERIFIER_assert__cond~13 0)) (not (= 0 main_~__tmp_9~0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_10~0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (not (= 0 main_~__tmp_13~0)) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,469 INFO L264 CegarLoopResult]: At program point L185(line 185) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (not (= 0 main_~__tmp_1~0)) (<= 1 main_~main__i~0) (= 1 main_~__VERIFIER_assert__cond~1) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_10~0)) (not (= 0 main_~__tmp_7~0)) (<= 1 main_~main__j~0) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,469 INFO L264 CegarLoopResult]: At program point L152(line 152) the Hoare annotation is: false [2020-07-08 23:40:35,469 INFO L264 CegarLoopResult]: At program point L86(line 86) the Hoare annotation is: false [2020-07-08 23:40:35,469 INFO L264 CegarLoopResult]: At program point L53(line 53) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (not (= 0 main_~__VERIFIER_assert__cond~0)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (< (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,469 INFO L264 CegarLoopResult]: At program point L20(line 20) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-08 23:40:35,470 INFO L264 CegarLoopResult]: At program point mainErr14ASSERT_VIOLATIONERROR_FUNCTION(line 243) the Hoare annotation is: false [2020-07-08 23:40:35,470 INFO L264 CegarLoopResult]: At program point L235(line 235) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= (+ main_~main__j~0 3) main_~main__bufsize~0) (= 1 main_~__VERIFIER_assert__cond~1) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_12~0)) (<= 2 main_~main__j~0) (not (= 0 main_~__tmp_7~0)) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (not (= 0 main_~__tmp_14~0)) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (not (= main_~__VERIFIER_assert__cond~13 0)) (not (= 0 main_~__tmp_9~0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_10~0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (not (= 0 main_~__tmp_13~0)) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,470 INFO L264 CegarLoopResult]: At program point L169(line 169) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_7~0)) (< (+ main_~main__i~0 1) main_~main__len~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,470 INFO L264 CegarLoopResult]: At program point L136(line 136) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_7~0)) (< (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= 1 main_~__VERIFIER_assert__cond~1) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,470 INFO L264 CegarLoopResult]: At program point L70(line 70) the Hoare annotation is: (and (not (= 0 main_~__tmp_3~0)) (= |old(~__return_334~0)| ~__return_334~0) (< main_~main__i~0 main_~main__len~0) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-08 23:40:35,471 INFO L264 CegarLoopResult]: At program point L252(line 252) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~14 0)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__tmp_15~0)) (<= (+ main_~main__j~0 3) main_~main__bufsize~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_12~0)) (<= 2 main_~main__j~0) (not (= 0 main_~__tmp_7~0)) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (not (= 0 main_~__tmp_14~0)) (not (= 0 main_~__tmp_16~0)) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (not (= main_~__VERIFIER_assert__cond~13 0)) (not (= 0 main_~__tmp_9~0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_10~0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (not (= 0 main_~__tmp_13~0)) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,471 INFO L264 CegarLoopResult]: At program point L186(line 186) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (not (= 0 main_~__tmp_1~0)) (<= 1 main_~main__i~0) (= 1 main_~__VERIFIER_assert__cond~1) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_10~0)) (not (= 0 main_~__tmp_7~0)) (<= 1 main_~main__j~0) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,471 INFO L264 CegarLoopResult]: At program point L87(line 87) the Hoare annotation is: false [2020-07-08 23:40:35,471 INFO L264 CegarLoopResult]: At program point L54(line 54) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (not (= 0 main_~__VERIFIER_assert__cond~0)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (< (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,471 INFO L264 CegarLoopResult]: At program point L302(lines 23 310) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= 0 main_~main__i~0)) [2020-07-08 23:40:35,471 INFO L271 CegarLoopResult]: At program point mainFINAL(lines 11 311) the Hoare annotation is: true [2020-07-08 23:40:35,471 INFO L264 CegarLoopResult]: At program point L203(line 203) the Hoare annotation is: false [2020-07-08 23:40:35,472 INFO L264 CegarLoopResult]: At program point mainErr13ASSERT_VIOLATIONERROR_FUNCTION(line 227) the Hoare annotation is: false [2020-07-08 23:40:35,472 INFO L264 CegarLoopResult]: At program point L170(line 170) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_7~0)) (< (+ main_~main__i~0 1) main_~main__len~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,472 INFO L264 CegarLoopResult]: At program point L137(lines 137 281) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_7~0)) (not (= 0 main_~__VERIFIER_assert__cond~6)) (< (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= 1 main_~__tmp_2~0) (= 1 main_~__VERIFIER_assert__cond~1)) [2020-07-08 23:40:35,472 INFO L264 CegarLoopResult]: At program point L104(line 104) the Hoare annotation is: (and (not (= 0 main_~__tmp_3~0)) (= |old(~__return_334~0)| ~__return_334~0) (< main_~main__i~0 main_~main__len~0) (not (= 0 main_~__tmp_4~0)) (not (= 0 main_~__VERIFIER_assert__cond~4)) (not (= 0 main_~__tmp_5~0)) (<= 0 main_~main__j~0) (not (= 0 main_~__VERIFIER_assert__cond~2)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~3)) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-08 23:40:35,473 INFO L264 CegarLoopResult]: At program point L71(line 71) the Hoare annotation is: (and (not (= 0 main_~__tmp_3~0)) (= |old(~__return_334~0)| ~__return_334~0) (< main_~main__i~0 main_~main__len~0) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-08 23:40:35,473 INFO L264 CegarLoopResult]: At program point L253(lines 253 263) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~14 0)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__tmp_15~0)) (<= (+ main_~main__j~0 3) main_~main__bufsize~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_12~0)) (<= 2 main_~main__j~0) (not (= 0 main_~__tmp_7~0)) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (not (= 0 main_~__tmp_14~0)) (not (= 0 main_~__tmp_16~0)) (not (= main_~__VERIFIER_assert__cond~15 0)) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (not (= main_~__VERIFIER_assert__cond~13 0)) (not (= 0 main_~__tmp_9~0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_10~0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (not (= 0 main_~__tmp_13~0)) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,473 INFO L264 CegarLoopResult]: At program point L187(line 187) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (not (= 0 main_~__tmp_1~0)) (<= 1 main_~main__i~0) (= 1 main_~__VERIFIER_assert__cond~1) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_10~0)) (not (= 0 main_~__tmp_7~0)) (<= 1 main_~main__j~0) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,473 INFO L264 CegarLoopResult]: At program point L55(lines 55 284) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (not (= 0 main_~__VERIFIER_assert__cond~0)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (< (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= 1 main_~__tmp_2~0) (= 1 main_~__VERIFIER_assert__cond~1)) [2020-07-08 23:40:35,473 INFO L264 CegarLoopResult]: At program point L237(line 237) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= (+ main_~main__j~0 3) main_~main__bufsize~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (<= 2 main_~main__j~0) (not (= 0 main_~__tmp_12~0)) (not (= 0 main_~__tmp_7~0)) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (not (= 0 main_~__tmp_14~0)) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (not (= main_~__VERIFIER_assert__cond~13 0)) (not (= 0 main_~__tmp_9~0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_10~0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (not (= 0 main_~__tmp_13~0)) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,474 INFO L264 CegarLoopResult]: At program point L204(line 204) the Hoare annotation is: false [2020-07-08 23:40:35,474 INFO L264 CegarLoopResult]: At program point mainErr8ASSERT_VIOLATIONERROR_FUNCTION(line 163) the Hoare annotation is: false [2020-07-08 23:40:35,474 INFO L264 CegarLoopResult]: At program point L171(line 171) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_10~0)) (not (= 0 main_~__tmp_7~0)) (< (+ main_~main__i~0 1) main_~main__len~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,474 INFO L264 CegarLoopResult]: At program point L105(line 105) the Hoare annotation is: (and (not (= 0 main_~__tmp_3~0)) (= |old(~__return_334~0)| ~__return_334~0) (< main_~main__i~0 main_~main__len~0) (not (= 0 main_~__tmp_4~0)) (not (= 0 main_~__VERIFIER_assert__cond~4)) (not (= 0 main_~__tmp_5~0)) (<= 0 main_~main__j~0) (not (= 0 main_~__VERIFIER_assert__cond~2)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~3)) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (<= 0 main_~main__i~0)) [2020-07-08 23:40:35,474 INFO L264 CegarLoopResult]: At program point L72(lines 72 127) the Hoare annotation is: (and (not (= 0 main_~__tmp_3~0)) (= |old(~__return_334~0)| ~__return_334~0) (< main_~main__i~0 main_~main__len~0) (<= 0 main_~main__j~0) (not (= 0 main_~__VERIFIER_assert__cond~2)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-08 23:40:35,474 INFO L264 CegarLoopResult]: At program point L39(line 39) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (< (+ main_~main__i~0 1) main_~main__len~0) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-08 23:40:35,475 INFO L264 CegarLoopResult]: At program point L221(line 221) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (= 1 main_~__VERIFIER_assert__cond~1) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_12~0)) (not (= 0 main_~__tmp_10~0)) (not (= 0 main_~__tmp_7~0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (not (= 0 main_~__tmp_13~0)) (<= 1 main_~main__j~0) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,475 INFO L264 CegarLoopResult]: At program point L188(line 188) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (= 1 main_~__VERIFIER_assert__cond~1) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_10~0)) (not (= 0 main_~__tmp_7~0)) (<= 1 main_~main__j~0) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,475 INFO L264 CegarLoopResult]: At program point L238(line 238) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= (+ main_~main__j~0 3) main_~main__bufsize~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_12~0)) (<= 2 main_~main__j~0) (not (= 0 main_~__tmp_7~0)) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (not (= 0 main_~__tmp_14~0)) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (not (= main_~__VERIFIER_assert__cond~13 0)) (not (= 0 main_~__tmp_9~0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_10~0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (not (= 0 main_~__tmp_13~0)) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,476 INFO L264 CegarLoopResult]: At program point mainErr15ASSERT_VIOLATIONERROR_FUNCTION(line 255) the Hoare annotation is: false [2020-07-08 23:40:35,476 INFO L264 CegarLoopResult]: At program point L172(line 172) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_10~0)) (not (= 0 main_~__tmp_7~0)) (< (+ main_~main__i~0 1) main_~main__len~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,476 INFO L264 CegarLoopResult]: At program point L139(line 139) the Hoare annotation is: false [2020-07-08 23:40:35,476 INFO L264 CegarLoopResult]: At program point L106(line 106) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (< main_~main__i~0 main_~main__len~0) (not (= 0 main_~__tmp_4~0)) (not (= 0 main_~__VERIFIER_assert__cond~4)) (<= 0 main_~main__j~0) (not (= 0 main_~__VERIFIER_assert__cond~2)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~3)) (<= 0 main_~main__i~0) (not (= 0 main_~__tmp_3~0)) (not (= 0 main_~__tmp_6~0)) (not (= 0 main_~__tmp_5~0)) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-08 23:40:35,476 INFO L264 CegarLoopResult]: At program point L40(line 40) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (< (+ main_~main__i~0 1) main_~main__len~0) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-08 23:40:35,476 INFO L264 CegarLoopResult]: At program point L255(line 255) the Hoare annotation is: false [2020-07-08 23:40:35,476 INFO L264 CegarLoopResult]: At program point L222(line 222) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (= 1 main_~__VERIFIER_assert__cond~1) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_12~0)) (not (= 0 main_~__tmp_10~0)) (not (= 0 main_~__tmp_7~0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (not (= 0 main_~__tmp_13~0)) (<= 1 main_~main__j~0) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,477 INFO L264 CegarLoopResult]: At program point L189(lines 189 273) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (= 1 main_~__VERIFIER_assert__cond~1) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_10~0)) (not (= 0 main_~__tmp_7~0)) (<= 1 main_~main__j~0) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,477 INFO L264 CegarLoopResult]: At program point L57(line 57) the Hoare annotation is: false [2020-07-08 23:40:35,477 INFO L264 CegarLoopResult]: At program point L24(line 24) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-08 23:40:35,477 INFO L264 CegarLoopResult]: At program point L24-1(line 24) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-08 23:40:35,477 INFO L264 CegarLoopResult]: At program point L24-2(line 24) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-08 23:40:35,477 INFO L264 CegarLoopResult]: At program point L239(line 239) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__tmp_15~0)) (<= (+ main_~main__j~0 3) main_~main__bufsize~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_12~0)) (<= 2 main_~main__j~0) (not (= 0 main_~__tmp_7~0)) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (not (= 0 main_~__tmp_14~0)) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (not (= main_~__VERIFIER_assert__cond~13 0)) (not (= 0 main_~__tmp_9~0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_10~0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (not (= 0 main_~__tmp_13~0)) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,477 INFO L264 CegarLoopResult]: At program point L173(lines 173 275) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_10~0)) (not (= 0 main_~__tmp_7~0)) (< (+ main_~main__i~0 1) main_~main__len~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,477 INFO L264 CegarLoopResult]: At program point L140(line 140) the Hoare annotation is: false [2020-07-08 23:40:35,478 INFO L264 CegarLoopResult]: At program point L107(line 107) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (< main_~main__i~0 main_~main__len~0) (not (= 0 main_~__tmp_4~0)) (not (= 0 main_~__VERIFIER_assert__cond~4)) (<= 0 main_~main__j~0) (not (= 0 main_~__VERIFIER_assert__cond~2)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~3)) (<= 0 main_~main__i~0) (not (= 0 main_~__tmp_3~0)) (not (= 0 main_~__tmp_6~0)) (not (= 0 main_~__tmp_5~0)) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-08 23:40:35,478 INFO L264 CegarLoopResult]: At program point L74(line 74) the Hoare annotation is: false [2020-07-08 23:40:35,478 INFO L264 CegarLoopResult]: At program point mainErr10ASSERT_VIOLATIONERROR_FUNCTION(line 191) the Hoare annotation is: false [2020-07-08 23:40:35,478 INFO L264 CegarLoopResult]: At program point L41(line 41) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (< (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-08 23:40:35,478 INFO L264 CegarLoopResult]: At program point L256(line 256) the Hoare annotation is: false [2020-07-08 23:40:35,478 INFO L264 CegarLoopResult]: At program point L223(line 223) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (= 1 main_~__VERIFIER_assert__cond~1) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_12~0)) (not (= 0 main_~__tmp_7~0)) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (not (= 0 main_~__tmp_14~0)) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (not (= 0 main_~__tmp_9~0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_10~0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (not (= 0 main_~__tmp_13~0)) (<= 1 main_~main__j~0) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,479 INFO L264 CegarLoopResult]: At program point L157(line 157) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_7~0)) (< (+ main_~main__i~0 1) main_~main__len~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,479 INFO L264 CegarLoopResult]: At program point L58(line 58) the Hoare annotation is: false [2020-07-08 23:40:35,479 INFO L264 CegarLoopResult]: At program point L25(line 25) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-08 23:40:35,479 INFO L264 CegarLoopResult]: At program point L240(line 240) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__tmp_15~0)) (<= (+ main_~main__j~0 3) main_~main__bufsize~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_12~0)) (<= 2 main_~main__j~0) (not (= 0 main_~__tmp_7~0)) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (not (= 0 main_~__tmp_14~0)) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (not (= main_~__VERIFIER_assert__cond~13 0)) (not (= 0 main_~__tmp_9~0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_10~0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (not (= 0 main_~__tmp_13~0)) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,479 INFO L264 CegarLoopResult]: At program point mainErr9ASSERT_VIOLATIONERROR_FUNCTION(line 175) the Hoare annotation is: false [2020-07-08 23:40:35,480 INFO L264 CegarLoopResult]: At program point L108(lines 108 121) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (< main_~main__i~0 main_~main__len~0) (not (= 0 main_~__tmp_4~0)) (not (= 0 main_~__VERIFIER_assert__cond~4)) (<= 0 main_~main__j~0) (not (= 0 main_~__VERIFIER_assert__cond~2)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~5)) (not (= 0 main_~__VERIFIER_assert__cond~3)) (<= 0 main_~main__i~0) (not (= 0 main_~__tmp_3~0)) (not (= 0 main_~__tmp_6~0)) (not (= 0 main_~__tmp_5~0)) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-08 23:40:35,480 INFO L264 CegarLoopResult]: At program point L75(line 75) the Hoare annotation is: false [2020-07-08 23:40:35,480 INFO L264 CegarLoopResult]: At program point L42(line 42) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (< (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-08 23:40:35,480 INFO L264 CegarLoopResult]: At program point L224(line 224) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (= 1 main_~__VERIFIER_assert__cond~1) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_12~0)) (not (= 0 main_~__tmp_7~0)) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (not (= 0 main_~__tmp_14~0)) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (not (= 0 main_~__tmp_9~0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_10~0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (not (= 0 main_~__tmp_13~0)) (<= 1 main_~main__j~0) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,480 INFO L264 CegarLoopResult]: At program point L191(line 191) the Hoare annotation is: false [2020-07-08 23:40:35,481 INFO L264 CegarLoopResult]: At program point L158(line 158) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_7~0)) (< (+ main_~main__i~0 1) main_~main__len~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,481 INFO L264 CegarLoopResult]: At program point mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 98) the Hoare annotation is: false [2020-07-08 23:40:35,481 INFO L264 CegarLoopResult]: At program point L92(line 92) the Hoare annotation is: (and (not (= 0 main_~__tmp_3~0)) (= |old(~__return_334~0)| ~__return_334~0) (< main_~main__i~0 main_~main__len~0) (not (= 0 main_~__tmp_4~0)) (<= 0 main_~main__j~0) (not (= 0 main_~__VERIFIER_assert__cond~2)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~3)) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-08 23:40:35,481 INFO L264 CegarLoopResult]: At program point L26(line 26) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-07-08 23:40:35,481 INFO L264 CegarLoopResult]: At program point L307(line 307) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-08 23:40:35,481 INFO L264 CegarLoopResult]: At program point L241(lines 241 265) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~14 0)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__tmp_15~0)) (<= (+ main_~main__j~0 3) main_~main__bufsize~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_12~0)) (<= 2 main_~main__j~0) (not (= 0 main_~__tmp_7~0)) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (not (= 0 main_~__tmp_14~0)) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (not (= main_~__VERIFIER_assert__cond~13 0)) (not (= 0 main_~__tmp_9~0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_10~0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (not (= 0 main_~__tmp_13~0)) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,482 INFO L264 CegarLoopResult]: At program point L175(line 175) the Hoare annotation is: false [2020-07-08 23:40:35,482 INFO L264 CegarLoopResult]: At program point L43(lines 43 286) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (not (= 0 main_~__VERIFIER_assert__cond~0)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (< (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-08 23:40:35,482 INFO L264 CegarLoopResult]: At program point L291(lines 36 292) the Hoare annotation is: (and (< main_~main__i~0 main_~main__len~0) (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-08 23:40:35,482 INFO L264 CegarLoopResult]: At program point L225(lines 225 267) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (= 1 main_~__VERIFIER_assert__cond~1) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_12~0)) (not (= 0 main_~__tmp_7~0)) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (not (= 0 main_~__tmp_14~0)) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (not (= main_~__VERIFIER_assert__cond~13 0)) (not (= 0 main_~__tmp_9~0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_10~0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (not (= 0 main_~__tmp_13~0)) (<= 1 main_~main__j~0) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,482 INFO L264 CegarLoopResult]: At program point L192(line 192) the Hoare annotation is: false [2020-07-08 23:40:35,482 INFO L264 CegarLoopResult]: At program point L159(line 159) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_7~0)) (< (+ main_~main__i~0 1) main_~main__len~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,483 INFO L264 CegarLoopResult]: At program point L93(line 93) the Hoare annotation is: (and (not (= 0 main_~__tmp_3~0)) (= |old(~__return_334~0)| ~__return_334~0) (< main_~main__i~0 main_~main__len~0) (not (= 0 main_~__tmp_4~0)) (<= 0 main_~main__j~0) (not (= 0 main_~__VERIFIER_assert__cond~2)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~3)) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-08 23:40:35,483 INFO L271 CegarLoopResult]: At program point L308(line 308) the Hoare annotation is: true [2020-07-08 23:40:35,483 INFO L264 CegarLoopResult]: At program point L209(line 209) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (= 1 main_~__VERIFIER_assert__cond~1) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_12~0)) (not (= 0 main_~__tmp_10~0)) (not (= 0 main_~__tmp_7~0)) (<= 1 main_~main__j~0) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,483 INFO L264 CegarLoopResult]: At program point L176(line 176) the Hoare annotation is: false [2020-07-08 23:40:35,483 INFO L264 CegarLoopResult]: At program point L110(line 110) the Hoare annotation is: false [2020-07-08 23:40:35,483 INFO L264 CegarLoopResult]: At program point mainErr11ASSERT_VIOLATIONERROR_FUNCTION(line 203) the Hoare annotation is: false [2020-07-08 23:40:35,484 INFO L264 CegarLoopResult]: At program point L160(line 160) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_7~0)) (< (+ main_~main__i~0 1) main_~main__len~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,484 INFO L264 CegarLoopResult]: At program point L94(line 94) the Hoare annotation is: (and (not (= 0 main_~__tmp_3~0)) (= |old(~__return_334~0)| ~__return_334~0) (< main_~main__i~0 main_~main__len~0) (not (= 0 main_~__tmp_4~0)) (not (= 0 main_~__tmp_5~0)) (<= 0 main_~main__j~0) (not (= 0 main_~__VERIFIER_assert__cond~2)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~3)) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (<= 0 main_~main__i~0)) [2020-07-08 23:40:35,484 INFO L264 CegarLoopResult]: At program point mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 139) the Hoare annotation is: false [2020-07-08 23:40:35,484 INFO L264 CegarLoopResult]: At program point L243(line 243) the Hoare annotation is: false [2020-07-08 23:40:35,485 INFO L264 CegarLoopResult]: At program point L210(line 210) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (= 1 main_~__VERIFIER_assert__cond~1) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_12~0)) (not (= 0 main_~__tmp_10~0)) (not (= 0 main_~__tmp_7~0)) (<= 1 main_~main__j~0) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,485 INFO L264 CegarLoopResult]: At program point L111(line 111) the Hoare annotation is: false [2020-07-08 23:40:35,485 INFO L264 CegarLoopResult]: At program point L45(line 45) the Hoare annotation is: false [2020-07-08 23:40:35,485 INFO L264 CegarLoopResult]: At program point L260(line 260) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~14 0)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__tmp_15~0)) (<= (+ main_~main__j~0 3) main_~main__bufsize~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_12~0)) (<= 2 main_~main__j~0) (not (= 0 main_~__tmp_7~0)) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (not (= 0 main_~__tmp_14~0)) (not (= 0 main_~__tmp_16~0)) (not (= main_~__VERIFIER_assert__cond~15 0)) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (not (= main_~__VERIFIER_assert__cond~13 0)) (not (= 0 main_~__tmp_9~0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_10~0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (not (= 0 main_~__tmp_13~0)) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,485 INFO L264 CegarLoopResult]: At program point L227(line 227) the Hoare annotation is: false [2020-07-08 23:40:35,486 INFO L264 CegarLoopResult]: At program point L161(lines 161 277) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_7~0)) (< (+ main_~main__i~0 1) main_~main__len~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,486 INFO L264 CegarLoopResult]: At program point L95(line 95) the Hoare annotation is: (and (not (= 0 main_~__tmp_3~0)) (= |old(~__return_334~0)| ~__return_334~0) (< main_~main__i~0 main_~main__len~0) (not (= 0 main_~__tmp_4~0)) (not (= 0 main_~__tmp_5~0)) (<= 0 main_~main__j~0) (not (= 0 main_~__VERIFIER_assert__cond~2)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~3)) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (<= 0 main_~main__i~0)) [2020-07-08 23:40:35,486 INFO L264 CegarLoopResult]: At program point L62(line 62) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (not (= 0 main_~__VERIFIER_assert__cond~0)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (< (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= 1 main_~__tmp_2~0) (= 1 main_~__VERIFIER_assert__cond~1)) [2020-07-08 23:40:35,486 INFO L264 CegarLoopResult]: At program point mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 110) the Hoare annotation is: false [2020-07-08 23:40:35,486 INFO L264 CegarLoopResult]: At program point L244(line 244) the Hoare annotation is: false [2020-07-08 23:40:35,487 INFO L264 CegarLoopResult]: At program point L211(line 211) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (= 1 main_~__VERIFIER_assert__cond~1) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_12~0)) (not (= 0 main_~__tmp_10~0)) (not (= 0 main_~__tmp_7~0)) (not (= 0 main_~__tmp_13~0)) (<= 1 main_~main__j~0) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,487 INFO L264 CegarLoopResult]: At program point L145(line 145) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_7~0)) (not (= 0 main_~__VERIFIER_assert__cond~6)) (< (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= 1 main_~__tmp_2~0) (= 1 main_~__VERIFIER_assert__cond~1)) [2020-07-08 23:40:35,487 INFO L264 CegarLoopResult]: At program point L46(line 46) the Hoare annotation is: false [2020-07-08 23:40:35,487 INFO L264 CegarLoopResult]: At program point L261(line 261) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~14 0)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__tmp_15~0)) (<= (+ main_~main__j~0 3) main_~main__bufsize~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_12~0)) (<= 2 main_~main__j~0) (not (= 0 main_~__tmp_7~0)) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (not (= 0 main_~__tmp_14~0)) (not (= 0 main_~__tmp_16~0)) (not (= main_~__VERIFIER_assert__cond~15 0)) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (not (= main_~__VERIFIER_assert__cond~13 0)) (not (= 0 main_~__tmp_9~0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_10~0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (not (= 0 main_~__tmp_13~0)) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,487 INFO L264 CegarLoopResult]: At program point L228(line 228) the Hoare annotation is: false [2020-07-08 23:40:35,487 INFO L264 CegarLoopResult]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 45) the Hoare annotation is: false [2020-07-08 23:40:35,488 INFO L264 CegarLoopResult]: At program point L96(lines 96 123) the Hoare annotation is: (and (not (= 0 main_~__tmp_3~0)) (= |old(~__return_334~0)| ~__return_334~0) (< main_~main__i~0 main_~main__len~0) (not (= 0 main_~__tmp_4~0)) (not (= 0 main_~__VERIFIER_assert__cond~4)) (not (= 0 main_~__tmp_5~0)) (<= 0 main_~main__j~0) (not (= 0 main_~__VERIFIER_assert__cond~2)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~3)) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-08 23:40:35,488 INFO L264 CegarLoopResult]: At program point L63(line 63) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (not (= 0 main_~__VERIFIER_assert__cond~0)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (< (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= 1 main_~__tmp_2~0) (= 1 main_~__VERIFIER_assert__cond~1)) [2020-07-08 23:40:35,488 INFO L264 CegarLoopResult]: At program point L30(line 30) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (< main_~main__i~0 main_~main__len~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= 0 main_~main__i~0)) [2020-07-08 23:40:35,488 INFO L264 CegarLoopResult]: At program point L63-1(line 63) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (not (= 0 main_~__VERIFIER_assert__cond~0)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (< (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= 1 main_~__tmp_2~0) (= 1 main_~__VERIFIER_assert__cond~1)) [2020-07-08 23:40:35,488 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 11 311) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-08 23:40:35,489 INFO L264 CegarLoopResult]: At program point L63-2(line 63) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (not (= 0 main_~__VERIFIER_assert__cond~0)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (< (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= 1 main_~__tmp_2~0) (= 1 main_~__VERIFIER_assert__cond~1)) [2020-07-08 23:40:35,489 INFO L264 CegarLoopResult]: At program point L212(line 212) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (= 1 main_~__VERIFIER_assert__cond~1) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_12~0)) (not (= 0 main_~__tmp_10~0)) (not (= 0 main_~__tmp_7~0)) (not (= 0 main_~__tmp_13~0)) (<= 1 main_~main__j~0) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,489 INFO L264 CegarLoopResult]: At program point L146(line 146) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (not (= 0 main_~__VERIFIER_assert__cond~0)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__tmp_7~0)) (not (= 0 main_~__VERIFIER_assert__cond~6)) (< (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= 1 main_~__VERIFIER_assert__cond~1) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,489 INFO L264 CegarLoopResult]: At program point L80(line 80) the Hoare annotation is: (and (not (= 0 main_~__tmp_3~0)) (= |old(~__return_334~0)| ~__return_334~0) (< main_~main__i~0 main_~main__len~0) (<= 0 main_~main__j~0) (not (= 0 main_~__VERIFIER_assert__cond~2)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-08 23:40:35,489 INFO L264 CegarLoopResult]: At program point L14(line 14) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-08 23:40:35,490 INFO L264 CegarLoopResult]: At program point L262(lines 29 304) the Hoare annotation is: (let ((.cse3 (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) (.cse4 (<= (+ main_~main__j~0 4) main_~main__bufsize~0))) (let ((.cse0 (= |old(~__return_334~0)| ~__return_334~0)) (.cse1 (let ((.cse5 (<= 1 main_~main__i~0))) (or (and .cse3 (not (= main_~__VERIFIER_assert__cond~12 0)) (not (= 0 main_~__tmp_13~0)) .cse5) (and .cse3 .cse4 .cse5)))) (.cse2 (<= 1 main_~main__j~0))) (or (and .cse0 (not (= main_~__VERIFIER_assert__cond~14 0)) .cse1 .cse2 (not (= 0 main_~__tmp_15~0))) (and .cse0 (< main_~main__i~0 main_~main__len~0) (<= 0 main_~main__j~0) .cse3 (<= 0 main_~main__i~0)) (and .cse0 .cse4 .cse1 .cse2)))) [2020-07-08 23:40:35,490 INFO L264 CegarLoopResult]: At program point L163(line 163) the Hoare annotation is: false [2020-07-08 23:40:35,490 INFO L264 CegarLoopResult]: At program point L64(lines 64 283) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (not (= 0 main_~__VERIFIER_assert__cond~0)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (< (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= 1 main_~__tmp_2~0) (= 1 main_~__VERIFIER_assert__cond~1)) [2020-07-08 23:40:35,490 INFO L264 CegarLoopResult]: At program point mainErr7ASSERT_VIOLATIONERROR_FUNCTION(line 151) the Hoare annotation is: false [2020-07-08 23:40:35,490 INFO L264 CegarLoopResult]: At program point L213(lines 213 269) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (= 1 main_~__VERIFIER_assert__cond~1) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_12~0)) (not (= 0 main_~__tmp_10~0)) (not (= 0 main_~__tmp_7~0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (not (= 0 main_~__tmp_13~0)) (<= 1 main_~main__j~0) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,490 INFO L264 CegarLoopResult]: At program point L180(line 180) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_10~0)) (not (= 0 main_~__tmp_7~0)) (< (+ main_~main__i~0 1) main_~main__len~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,491 INFO L264 CegarLoopResult]: At program point L147(line 147) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_7~0)) (< (+ main_~main__i~0 1) main_~main__len~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,491 INFO L264 CegarLoopResult]: At program point L81(line 81) the Hoare annotation is: (and (not (= 0 main_~__tmp_3~0)) (= |old(~__return_334~0)| ~__return_334~0) (< main_~main__i~0 main_~main__len~0) (not (= 0 main_~__VERIFIER_assert__cond~2)) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-08 23:40:35,491 INFO L264 CegarLoopResult]: At program point L15(line 15) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-08 23:40:35,491 INFO L264 CegarLoopResult]: At program point L197(line 197) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (= 1 main_~__VERIFIER_assert__cond~1) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_10~0)) (not (= 0 main_~__tmp_7~0)) (<= 1 main_~main__j~0) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,491 INFO L264 CegarLoopResult]: At program point L164(line 164) the Hoare annotation is: false [2020-07-08 23:40:35,492 INFO L264 CegarLoopResult]: At program point L98(line 98) the Hoare annotation is: false [2020-07-08 23:40:35,492 INFO L264 CegarLoopResult]: At program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 74) the Hoare annotation is: false [2020-07-08 23:40:35,492 INFO L264 CegarLoopResult]: At program point L181(line 181) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_10~0)) (not (= 0 main_~__tmp_7~0)) (< (+ main_~main__i~0 1) main_~main__len~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,492 INFO L264 CegarLoopResult]: At program point L148(line 148) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_7~0)) (< (+ main_~main__i~0 1) main_~main__len~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,492 INFO L264 CegarLoopResult]: At program point L115(line 115) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (< main_~main__i~0 main_~main__len~0) (not (= 0 main_~__tmp_4~0)) (not (= 0 main_~__VERIFIER_assert__cond~4)) (<= 0 main_~main__j~0) (not (= 0 main_~__VERIFIER_assert__cond~2)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~5)) (not (= 0 main_~__VERIFIER_assert__cond~3)) (<= 0 main_~main__i~0) (not (= 0 main_~__tmp_3~0)) (not (= 0 main_~__tmp_6~0)) (not (= 0 main_~__tmp_5~0)) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-08 23:40:35,493 INFO L264 CegarLoopResult]: At program point L82(line 82) the Hoare annotation is: (and (not (= 0 main_~__tmp_3~0)) (= |old(~__return_334~0)| ~__return_334~0) (< main_~main__i~0 main_~main__len~0) (not (= 0 main_~__tmp_4~0)) (<= 0 main_~main__j~0) (not (= 0 main_~__VERIFIER_assert__cond~2)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-08 23:40:35,493 INFO L264 CegarLoopResult]: At program point L16(line 16) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-08 23:40:35,493 INFO L264 CegarLoopResult]: At program point L198(line 198) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (= 1 main_~__VERIFIER_assert__cond~1) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_10~0)) (not (= 0 main_~__tmp_7~0)) (<= 1 main_~main__j~0) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,493 INFO L264 CegarLoopResult]: At program point L99(line 99) the Hoare annotation is: false [2020-07-08 23:40:35,493 INFO L264 CegarLoopResult]: At program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 57) the Hoare annotation is: false [2020-07-08 23:40:35,493 INFO L264 CegarLoopResult]: At program point L215(line 215) the Hoare annotation is: false [2020-07-08 23:40:35,494 INFO L264 CegarLoopResult]: At program point L182(line 182) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_10~0)) (not (= 0 main_~__tmp_7~0)) (< (+ main_~main__i~0 1) main_~main__len~0) (<= 1 main_~main__j~0) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,494 INFO L264 CegarLoopResult]: At program point L149(lines 149 279) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_7~0)) (< (+ main_~main__i~0 1) main_~main__len~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,494 INFO L264 CegarLoopResult]: At program point L116(line 116) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (< main_~main__i~0 main_~main__len~0) (not (= 0 main_~__tmp_4~0)) (not (= 0 main_~__VERIFIER_assert__cond~4)) (<= 0 main_~main__j~0) (not (= 0 main_~__VERIFIER_assert__cond~2)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~5)) (not (= 0 main_~__VERIFIER_assert__cond~3)) (<= 0 main_~main__i~0) (not (= 0 main_~__tmp_3~0)) (not (= 0 main_~__tmp_6~0)) (not (= 0 main_~__tmp_5~0)) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-08 23:40:35,494 INFO L264 CegarLoopResult]: At program point L83(line 83) the Hoare annotation is: (and (not (= 0 main_~__tmp_3~0)) (= |old(~__return_334~0)| ~__return_334~0) (< main_~main__i~0 main_~main__len~0) (not (= 0 main_~__tmp_4~0)) (<= 0 main_~main__j~0) (not (= 0 main_~__VERIFIER_assert__cond~2)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-08 23:40:35,494 INFO L264 CegarLoopResult]: At program point L17(line 17) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-08 23:40:35,495 INFO L264 CegarLoopResult]: At program point L17-1(line 17) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-08 23:40:35,495 INFO L264 CegarLoopResult]: At program point L17-2(line 17) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-08 23:40:35,495 INFO L264 CegarLoopResult]: At program point L232(line 232) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (= 1 main_~__VERIFIER_assert__cond~1) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_12~0)) (not (= 0 main_~__tmp_7~0)) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (not (= 0 main_~__tmp_14~0)) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (not (= main_~__VERIFIER_assert__cond~13 0)) (not (= 0 main_~__tmp_9~0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_10~0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (not (= 0 main_~__tmp_13~0)) (<= 1 main_~main__j~0) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,495 INFO L264 CegarLoopResult]: At program point L199(line 199) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (= 1 main_~__VERIFIER_assert__cond~1) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_12~0)) (not (= 0 main_~__tmp_10~0)) (not (= 0 main_~__tmp_7~0)) (<= 1 main_~main__j~0) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,495 INFO L264 CegarLoopResult]: At program point L133(line 133) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (not (= 0 main_~__VERIFIER_assert__cond~0)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (< (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= 1 main_~__tmp_2~0) (= 1 main_~__VERIFIER_assert__cond~1)) [2020-07-08 23:40:35,496 INFO L264 CegarLoopResult]: At program point L34(lines 34 298) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (< main_~main__i~0 main_~main__len~0) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= 0 main_~main__i~0)) [2020-07-08 23:40:35,496 INFO L264 CegarLoopResult]: At program point L249(line 249) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~14 0)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__tmp_15~0)) (<= (+ main_~main__j~0 3) main_~main__bufsize~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_12~0)) (<= 2 main_~main__j~0) (not (= 0 main_~__tmp_7~0)) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (not (= 0 main_~__tmp_14~0)) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (not (= main_~__VERIFIER_assert__cond~13 0)) (not (= 0 main_~__tmp_9~0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_10~0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (not (= 0 main_~__tmp_13~0)) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,496 INFO L264 CegarLoopResult]: At program point L216(line 216) the Hoare annotation is: false [2020-07-08 23:40:35,496 INFO L264 CegarLoopResult]: At program point L183(line 183) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_10~0)) (not (= 0 main_~__tmp_7~0)) (< (+ main_~main__i~0 1) main_~main__len~0) (<= 1 main_~main__j~0) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,496 INFO L264 CegarLoopResult]: At program point L117(line 117) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (< main_~main__i~0 main_~main__len~0) (not (= 0 main_~__tmp_4~0)) (not (= 0 main_~__VERIFIER_assert__cond~4)) (not (= 0 main_~__VERIFIER_assert__cond~2)) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~5)) (not (= 0 main_~__VERIFIER_assert__cond~3)) (<= 0 main_~main__i~0) (not (= 0 main_~__tmp_3~0)) (not (= 0 main_~__tmp_6~0)) (not (= 0 main_~__tmp_5~0)) (<= 1 main_~main__j~0)) [2020-07-08 23:40:35,497 INFO L264 CegarLoopResult]: At program point L84(lines 84 125) the Hoare annotation is: (and (not (= 0 main_~__tmp_3~0)) (= |old(~__return_334~0)| ~__return_334~0) (< main_~main__i~0 main_~main__len~0) (not (= 0 main_~__tmp_4~0)) (<= 0 main_~main__j~0) (not (= 0 main_~__VERIFIER_assert__cond~2)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~3)) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-08 23:40:35,497 INFO L264 CegarLoopResult]: At program point L51(line 51) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (not (= 0 main_~__VERIFIER_assert__cond~0)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (< (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-08 23:40:35,497 INFO L264 CegarLoopResult]: At program point L18(lines 18 310) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-08 23:40:35,497 INFO L264 CegarLoopResult]: At program point mainErr12ASSERT_VIOLATIONERROR_FUNCTION(line 215) the Hoare annotation is: false [2020-07-08 23:40:35,497 INFO L264 CegarLoopResult]: At program point L233(line 233) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (= 1 main_~__VERIFIER_assert__cond~1) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_12~0)) (not (= 0 main_~__tmp_7~0)) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (not (= 0 main_~__tmp_14~0)) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (not (= main_~__VERIFIER_assert__cond~13 0)) (not (= 0 main_~__tmp_9~0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_10~0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (not (= 0 main_~__tmp_13~0)) (<= 1 main_~main__j~0) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,498 INFO L264 CegarLoopResult]: At program point L200(line 200) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (= 1 main_~__VERIFIER_assert__cond~1) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_12~0)) (not (= 0 main_~__tmp_10~0)) (not (= 0 main_~__tmp_7~0)) (<= 1 main_~main__j~0) (= 1 main_~__tmp_2~0)) [2020-07-08 23:40:35,498 INFO L264 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~0)) (< (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_1~0)) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (<= 0 main_~main__i~0) (= 1 main_~__tmp_2~0) (= 1 main_~__VERIFIER_assert__cond~1)) [2020-07-08 23:40:35,506 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2020-07-08 23:40:35,507 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2020-07-08 23:40:35,507 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2020-07-08 23:40:35,507 WARN L170 areAnnotationChecker]: L5-1 has no Hoare annotation [2020-07-08 23:40:35,508 WARN L170 areAnnotationChecker]: L5-3 has no Hoare annotation [2020-07-08 23:40:35,651 INFO L163 areAnnotationChecker]: CFG has 199 edges. 199 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-08 23:40:35,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.07 11:40:35 BoogieIcfgContainer [2020-07-08 23:40:35,691 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-08 23:40:35,695 INFO L168 Benchmark]: Toolchain (without parser) took 151808.59 ms. Allocated memory was 136.8 MB in the beginning and 611.3 MB in the end (delta: 474.5 MB). Free memory was 102.0 MB in the beginning and 145.8 MB in the end (delta: -43.8 MB). Peak memory consumption was 430.7 MB. Max. memory is 7.1 GB. [2020-07-08 23:40:35,695 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 136.8 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-08 23:40:35,696 INFO L168 Benchmark]: CACSL2BoogieTranslator took 533.75 ms. Allocated memory was 136.8 MB in the beginning and 201.9 MB in the end (delta: 65.0 MB). Free memory was 101.6 MB in the beginning and 180.9 MB in the end (delta: -79.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2020-07-08 23:40:35,697 INFO L168 Benchmark]: Boogie Preprocessor took 57.93 ms. Allocated memory is still 201.9 MB. Free memory was 180.9 MB in the beginning and 178.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2020-07-08 23:40:35,697 INFO L168 Benchmark]: RCFGBuilder took 902.68 ms. Allocated memory is still 201.9 MB. Free memory was 178.4 MB in the beginning and 124.3 MB in the end (delta: 54.1 MB). Peak memory consumption was 54.1 MB. Max. memory is 7.1 GB. [2020-07-08 23:40:35,698 INFO L168 Benchmark]: TraceAbstraction took 150307.01 ms. Allocated memory was 201.9 MB in the beginning and 611.3 MB in the end (delta: 409.5 MB). Free memory was 123.6 MB in the beginning and 145.8 MB in the end (delta: -22.2 MB). Peak memory consumption was 387.3 MB. Max. memory is 7.1 GB. [2020-07-08 23:40:35,700 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 136.8 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 533.75 ms. Allocated memory was 136.8 MB in the beginning and 201.9 MB in the end (delta: 65.0 MB). Free memory was 101.6 MB in the beginning and 180.9 MB in the end (delta: -79.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 57.93 ms. Allocated memory is still 201.9 MB. Free memory was 180.9 MB in the beginning and 178.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 902.68 ms. Allocated memory is still 201.9 MB. Free memory was 178.4 MB in the beginning and 124.3 MB in the end (delta: 54.1 MB). Peak memory consumption was 54.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 150307.01 ms. Allocated memory was 201.9 MB in the beginning and 611.3 MB in the end (delta: 409.5 MB). Free memory was 123.6 MB in the beginning and 145.8 MB in the end (delta: -22.2 MB). Peak memory consumption was 387.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 45]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 255]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 151]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 163]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 227]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 175]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 191]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 243]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 215]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 98]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 203]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 74]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 139]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 110]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 86]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 57]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((((\old(__return_334) == __return_334 && !(__VERIFIER_assert__cond == 0)) && ((((main__limit + 4 <= main__bufsize && !(__VERIFIER_assert__cond == 0)) && !(0 == __tmp_13)) && 1 <= main__i) || ((main__limit + 4 <= main__bufsize && main__j + 4 <= main__bufsize) && 1 <= main__i))) && 1 <= main__j) && !(0 == __tmp_15)) || ((((\old(__return_334) == __return_334 && main__i < main__len) && 0 <= main__j) && main__limit + 4 <= main__bufsize) && 0 <= main__i)) || (((\old(__return_334) == __return_334 && main__j + 4 <= main__bufsize) && ((((main__limit + 4 <= main__bufsize && !(__VERIFIER_assert__cond == 0)) && !(0 == __tmp_13)) && 1 <= main__i) || ((main__limit + 4 <= main__bufsize && main__j + 4 <= main__bufsize) && 1 <= main__i))) && 1 <= main__j) - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: ((((main__i < main__len && \old(__return_334) == __return_334) && 0 <= main__j) && main__limit + 4 <= main__bufsize) && 0 <= main__i) && main__j + 5 <= main__bufsize - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: (\old(__return_334) == __return_334 && main__limit + 4 <= main__bufsize) && 0 <= main__i - ProcedureContractResult [Line: 11]: Procedure Contract for main Derived contract for procedure main: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 183 locations, 16 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 112.1s, OverallIterations: 16, TraceHistogramMax: 1, AutomataDifference: 78.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 37.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3461 SDtfs, 8686 SDslu, 396 SDs, 0 SdLazy, 6219 SolverSat, 240 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 244 GetRequests, 68 SyntacticMatches, 1 SemanticMatches, 175 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=178occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 20.9s AutomataMinimizationTime, 16 MinimizatonAttempts, 1653 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 178 LocationsWithAnnotation, 178 PreInvPairs, 848 NumberOfFragments, 6575 HoareAnnotationTreeSize, 178 FomulaSimplifications, 3324781140 FormulaSimplificationTreeSizeReduction, 9.4s HoareSimplificationTime, 178 FomulaSimplificationsInter, 10835782 FormulaSimplificationTreeSizeReductionInter, 27.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 922 NumberOfCodeBlocks, 922 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 906 ConstructedInterpolants, 0 QuantifiedInterpolants, 182160 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 0/0 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 correct! Received shutdown request...