/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 -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 0.1.25-267fbe0 [2020-07-18 00:48:25,094 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 00:48:25,097 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 00:48:25,112 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 00:48:25,112 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 00:48:25,113 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 00:48:25,115 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 00:48:25,117 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 00:48:25,118 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 00:48:25,119 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 00:48:25,120 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 00:48:25,121 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 00:48:25,122 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 00:48:25,122 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 00:48:25,123 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 00:48:25,125 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 00:48:25,125 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 00:48:25,126 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 00:48:25,128 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 00:48:25,131 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 00:48:25,133 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 00:48:25,134 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 00:48:25,135 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 00:48:25,136 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 00:48:25,139 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-18 00:48:25,147 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 00:48:25,148 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 00:48:25,149 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 00:48:25,149 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-18 00:48:25,159 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 00:48:25,159 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 00:48:25,161 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 00:48:25,161 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 00:48:25,161 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 00:48:25,161 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 00:48:25,161 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 00:48:25,162 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 00:48:25,162 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 00:48:25,162 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 00:48:25,162 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 00:48:25,162 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 00:48:25,163 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 00:48:25,163 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 00:48:25,163 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 00:48:25,163 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 00:48:25,163 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 00:48:25,164 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 00:48:25,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 00:48:25,164 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 00:48:25,164 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 00:48:25,165 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 00:48:25,165 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-18 00:48:25,441 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 00:48:25,453 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 00:48:25,456 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 00:48:25,458 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 00:48:25,458 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 00:48:25,459 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2020-07-18 00:48:25,520 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6bc1cf943/495c9c89f1984e0988b01c2dddfa591f/FLAG21f36f9bc [2020-07-18 00:48:25,973 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 00:48:25,973 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2020-07-18 00:48:25,981 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6bc1cf943/495c9c89f1984e0988b01c2dddfa591f/FLAG21f36f9bc [2020-07-18 00:48:26,403 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6bc1cf943/495c9c89f1984e0988b01c2dddfa591f [2020-07-18 00:48:26,415 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 00:48:26,418 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 00:48:26,419 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 00:48:26,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 00:48:26,426 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 00:48:26,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:48:26" (1/1) ... [2020-07-18 00:48:26,431 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21a8111c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:48:26, skipping insertion in model container [2020-07-18 00:48:26,432 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:48:26" (1/1) ... [2020-07-18 00:48:26,440 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 00:48:26,498 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 00:48:26,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:48:26,829 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 00:48:26,867 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:48:26,967 INFO L208 MainTranslator]: Completed translation [2020-07-18 00:48:26,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:48:26 WrapperNode [2020-07-18 00:48:26,968 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 00:48:26,968 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 00:48:26,969 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 00:48:26,969 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 00:48:26,980 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:48:26" (1/1) ... [2020-07-18 00:48:26,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:48:26" (1/1) ... [2020-07-18 00:48:26,986 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:48:26" (1/1) ... [2020-07-18 00:48:26,987 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:48:26" (1/1) ... [2020-07-18 00:48:26,998 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:48:26" (1/1) ... [2020-07-18 00:48:27,004 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:48:26" (1/1) ... [2020-07-18 00:48:27,006 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:48:26" (1/1) ... [2020-07-18 00:48:27,009 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 00:48:27,010 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 00:48:27,010 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 00:48:27,010 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 00:48:27,014 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:48:26" (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 [2020-07-18 00:48:27,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 00:48:27,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 00:48:27,094 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-18 00:48:27,094 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 00:48:27,094 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 00:48:27,095 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-18 00:48:27,095 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-18 00:48:27,095 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-18 00:48:27,095 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-18 00:48:27,096 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 00:48:27,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 00:48:27,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 00:48:27,865 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 00:48:27,865 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-18 00:48:27,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:48:27 BoogieIcfgContainer [2020-07-18 00:48:27,871 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 00:48:27,873 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 00:48:27,873 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 00:48:27,876 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 00:48:27,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 12:48:26" (1/3) ... [2020-07-18 00:48:27,877 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a809154 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:48:27, skipping insertion in model container [2020-07-18 00:48:27,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:48:26" (2/3) ... [2020-07-18 00:48:27,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a809154 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:48:27, skipping insertion in model container [2020-07-18 00:48:27,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:48:27" (3/3) ... [2020-07-18 00:48:27,880 INFO L109 eAbstractionObserver]: Analyzing ICFG SpamAssassin-loop.i.v+cfa-reducer.c [2020-07-18 00:48:27,890 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 00:48:27,897 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 16 error locations. [2020-07-18 00:48:27,909 INFO L251 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2020-07-18 00:48:27,931 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 00:48:27,932 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 00:48:27,932 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-18 00:48:27,932 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 00:48:27,933 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 00:48:27,933 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 00:48:27,933 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 00:48:27,933 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 00:48:27,956 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states. [2020-07-18 00:48:27,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-07-18 00:48:27,968 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:48:27,969 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] [2020-07-18 00:48:27,970 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]=== [2020-07-18 00:48:27,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:48:27,975 INFO L82 PathProgramCache]: Analyzing trace with hash -2057699390, now seen corresponding path program 1 times [2020-07-18 00:48:27,982 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:48:27,982 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1238153366] [2020-07-18 00:48:27,983 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:48:28,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:48:28,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:48:28,268 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 [2020-07-18 00:48:28,269 INFO L280 TraceCheckUtils]: 1: Hoare triple {181#true} ~__return_334~0 := 0; {181#true} is VALID [2020-07-18 00:48:28,269 INFO L280 TraceCheckUtils]: 2: Hoare triple {181#true} assume true; {181#true} is VALID [2020-07-18 00:48:28,270 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {181#true} {181#true} #261#return; {181#true} is VALID [2020-07-18 00:48:28,274 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 [2020-07-18 00:48:28,275 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 [2020-07-18 00:48:28,275 INFO L280 TraceCheckUtils]: 2: Hoare triple {181#true} ~__return_334~0 := 0; {181#true} is VALID [2020-07-18 00:48:28,275 INFO L280 TraceCheckUtils]: 3: Hoare triple {181#true} assume true; {181#true} is VALID [2020-07-18 00:48:28,276 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {181#true} {181#true} #261#return; {181#true} is VALID [2020-07-18 00:48:28,276 INFO L263 TraceCheckUtils]: 5: Hoare triple {181#true} call #t~ret3 := main(); {181#true} is VALID [2020-07-18 00:48:28,277 INFO L280 TraceCheckUtils]: 6: Hoare triple {181#true} havoc ~main__len~0; {181#true} is VALID [2020-07-18 00:48:28,277 INFO L280 TraceCheckUtils]: 7: Hoare triple {181#true} havoc ~main__i~0; {181#true} is VALID [2020-07-18 00:48:28,278 INFO L280 TraceCheckUtils]: 8: Hoare triple {181#true} havoc ~main__j~0; {181#true} is VALID [2020-07-18 00:48:28,278 INFO L280 TraceCheckUtils]: 9: Hoare triple {181#true} havoc ~main__bufsize~0; {181#true} is VALID [2020-07-18 00:48:28,279 INFO L280 TraceCheckUtils]: 10: Hoare triple {181#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {181#true} is VALID [2020-07-18 00:48:28,279 INFO L280 TraceCheckUtils]: 11: Hoare triple {181#true} ~main__bufsize~0 := #t~nondet0; {181#true} is VALID [2020-07-18 00:48:28,279 INFO L280 TraceCheckUtils]: 12: Hoare triple {181#true} havoc #t~nondet0; {181#true} is VALID [2020-07-18 00:48:28,280 INFO L280 TraceCheckUtils]: 13: Hoare triple {181#true} assume !(~main__bufsize~0 < 0); {181#true} is VALID [2020-07-18 00:48:28,280 INFO L280 TraceCheckUtils]: 14: Hoare triple {181#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {181#true} is VALID [2020-07-18 00:48:28,281 INFO L280 TraceCheckUtils]: 15: Hoare triple {181#true} ~main__len~0 := #t~nondet1; {181#true} is VALID [2020-07-18 00:48:28,281 INFO L280 TraceCheckUtils]: 16: Hoare triple {181#true} havoc #t~nondet1; {181#true} is VALID [2020-07-18 00:48:28,282 INFO L280 TraceCheckUtils]: 17: Hoare triple {181#true} ~main__limit~0 := ~main__bufsize~0 - 4; {181#true} is VALID [2020-07-18 00:48:28,282 INFO L280 TraceCheckUtils]: 18: Hoare triple {181#true} ~main__i~0 := 0; {181#true} is VALID [2020-07-18 00:48:28,283 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 [2020-07-18 00:48:28,285 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 [2020-07-18 00:48:28,286 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 [2020-07-18 00:48:28,287 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 [2020-07-18 00:48:28,289 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 [2020-07-18 00:48:28,290 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 [2020-07-18 00:48:28,292 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 [2020-07-18 00:48:28,293 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 [2020-07-18 00:48:28,296 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 [2020-07-18 00:48:28,297 INFO L280 TraceCheckUtils]: 28: Hoare triple {189#(not (= 0 main_~__VERIFIER_assert__cond~2))} assume 0 == ~__VERIFIER_assert__cond~2; {182#false} is VALID [2020-07-18 00:48:28,298 INFO L280 TraceCheckUtils]: 29: Hoare triple {182#false} assume !false; {182#false} is VALID [2020-07-18 00:48:28,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 00:48:28,306 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:48:28,308 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1238153366] [2020-07-18 00:48:28,310 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 00:48:28,310 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-18 00:48:28,311 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881499229] [2020-07-18 00:48:28,318 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2020-07-18 00:48:28,322 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 00:48:28,326 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-18 00:48:28,380 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:48:28,380 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-18 00:48:28,381 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 00:48:28,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-18 00:48:28,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-18 00:48:28,394 INFO L87 Difference]: Start difference. First operand 178 states. Second operand 6 states. [2020-07-18 00:48:30,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:48:30,888 INFO L93 Difference]: Finished difference Result 435 states and 497 transitions. [2020-07-18 00:48:30,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-18 00:48:30,888 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2020-07-18 00:48:30,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 00:48:30,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-18 00:48:30,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 497 transitions. [2020-07-18 00:48:30,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-18 00:48:30,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 497 transitions. [2020-07-18 00:48:30,921 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 497 transitions. [2020-07-18 00:48:31,513 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 497 edges. 497 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:48:31,577 INFO L225 Difference]: With dead ends: 435 [2020-07-18 00:48:31,578 INFO L226 Difference]: Without dead ends: 264 [2020-07-18 00:48:31,585 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-07-18 00:48:31,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2020-07-18 00:48:32,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 154. [2020-07-18 00:48:32,013 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 00:48:32,014 INFO L82 GeneralOperation]: Start isEquivalent. First operand 264 states. Second operand 154 states. [2020-07-18 00:48:32,014 INFO L74 IsIncluded]: Start isIncluded. First operand 264 states. Second operand 154 states. [2020-07-18 00:48:32,015 INFO L87 Difference]: Start difference. First operand 264 states. Second operand 154 states. [2020-07-18 00:48:32,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:48:32,041 INFO L93 Difference]: Finished difference Result 264 states and 272 transitions. [2020-07-18 00:48:32,042 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 272 transitions. [2020-07-18 00:48:32,045 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:48:32,045 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:48:32,045 INFO L74 IsIncluded]: Start isIncluded. First operand 154 states. Second operand 264 states. [2020-07-18 00:48:32,046 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 264 states. [2020-07-18 00:48:32,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:48:32,072 INFO L93 Difference]: Finished difference Result 264 states and 272 transitions. [2020-07-18 00:48:32,072 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 272 transitions. [2020-07-18 00:48:32,075 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:48:32,075 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:48:32,075 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 00:48:32,076 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 00:48:32,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-07-18 00:48:32,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 158 transitions. [2020-07-18 00:48:32,088 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 158 transitions. Word has length 30 [2020-07-18 00:48:32,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 00:48:32,089 INFO L479 AbstractCegarLoop]: Abstraction has 154 states and 158 transitions. [2020-07-18 00:48:32,089 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-18 00:48:32,089 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 154 states and 158 transitions. [2020-07-18 00:48:32,370 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 158 edges. 158 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:48:32,370 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 158 transitions. [2020-07-18 00:48:32,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-07-18 00:48:32,372 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:48:32,372 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] [2020-07-18 00:48:32,373 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 00:48:32,373 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]=== [2020-07-18 00:48:32,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:48:32,374 INFO L82 PathProgramCache]: Analyzing trace with hash 1575143415, now seen corresponding path program 1 times [2020-07-18 00:48:32,374 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:48:32,374 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1255479506] [2020-07-18 00:48:32,375 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:48:32,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:48:32,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:48:32,486 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 [2020-07-18 00:48:32,486 INFO L280 TraceCheckUtils]: 1: Hoare triple {1911#true} ~__return_334~0 := 0; {1911#true} is VALID [2020-07-18 00:48:32,487 INFO L280 TraceCheckUtils]: 2: Hoare triple {1911#true} assume true; {1911#true} is VALID [2020-07-18 00:48:32,487 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1911#true} {1911#true} #261#return; {1911#true} is VALID [2020-07-18 00:48:32,488 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 [2020-07-18 00:48:32,488 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 [2020-07-18 00:48:32,489 INFO L280 TraceCheckUtils]: 2: Hoare triple {1911#true} ~__return_334~0 := 0; {1911#true} is VALID [2020-07-18 00:48:32,489 INFO L280 TraceCheckUtils]: 3: Hoare triple {1911#true} assume true; {1911#true} is VALID [2020-07-18 00:48:32,489 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1911#true} {1911#true} #261#return; {1911#true} is VALID [2020-07-18 00:48:32,490 INFO L263 TraceCheckUtils]: 5: Hoare triple {1911#true} call #t~ret3 := main(); {1911#true} is VALID [2020-07-18 00:48:32,490 INFO L280 TraceCheckUtils]: 6: Hoare triple {1911#true} havoc ~main__len~0; {1911#true} is VALID [2020-07-18 00:48:32,490 INFO L280 TraceCheckUtils]: 7: Hoare triple {1911#true} havoc ~main__i~0; {1911#true} is VALID [2020-07-18 00:48:32,490 INFO L280 TraceCheckUtils]: 8: Hoare triple {1911#true} havoc ~main__j~0; {1911#true} is VALID [2020-07-18 00:48:32,491 INFO L280 TraceCheckUtils]: 9: Hoare triple {1911#true} havoc ~main__bufsize~0; {1911#true} is VALID [2020-07-18 00:48:32,491 INFO L280 TraceCheckUtils]: 10: Hoare triple {1911#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {1911#true} is VALID [2020-07-18 00:48:32,491 INFO L280 TraceCheckUtils]: 11: Hoare triple {1911#true} ~main__bufsize~0 := #t~nondet0; {1911#true} is VALID [2020-07-18 00:48:32,492 INFO L280 TraceCheckUtils]: 12: Hoare triple {1911#true} havoc #t~nondet0; {1911#true} is VALID [2020-07-18 00:48:32,492 INFO L280 TraceCheckUtils]: 13: Hoare triple {1911#true} assume !(~main__bufsize~0 < 0); {1911#true} is VALID [2020-07-18 00:48:32,492 INFO L280 TraceCheckUtils]: 14: Hoare triple {1911#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {1911#true} is VALID [2020-07-18 00:48:32,492 INFO L280 TraceCheckUtils]: 15: Hoare triple {1911#true} ~main__len~0 := #t~nondet1; {1911#true} is VALID [2020-07-18 00:48:32,493 INFO L280 TraceCheckUtils]: 16: Hoare triple {1911#true} havoc #t~nondet1; {1911#true} is VALID [2020-07-18 00:48:32,493 INFO L280 TraceCheckUtils]: 17: Hoare triple {1911#true} ~main__limit~0 := ~main__bufsize~0 - 4; {1911#true} is VALID [2020-07-18 00:48:32,493 INFO L280 TraceCheckUtils]: 18: Hoare triple {1911#true} ~main__i~0 := 0; {1911#true} is VALID [2020-07-18 00:48:32,494 INFO L280 TraceCheckUtils]: 19: Hoare triple {1911#true} assume ~main__i~0 < ~main__len~0; {1911#true} is VALID [2020-07-18 00:48:32,494 INFO L280 TraceCheckUtils]: 20: Hoare triple {1911#true} ~main__j~0 := 0; {1911#true} is VALID [2020-07-18 00:48:32,494 INFO L280 TraceCheckUtils]: 21: Hoare triple {1911#true} assume ~main__i~0 < ~main__len~0; {1911#true} is VALID [2020-07-18 00:48:32,494 INFO L280 TraceCheckUtils]: 22: Hoare triple {1911#true} assume ~main__j~0 < ~main__limit~0; {1911#true} is VALID [2020-07-18 00:48:32,495 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 [2020-07-18 00:48:32,496 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 [2020-07-18 00:48:32,497 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 [2020-07-18 00:48:32,497 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 [2020-07-18 00:48:32,498 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 [2020-07-18 00:48:32,499 INFO L280 TraceCheckUtils]: 28: Hoare triple {1919#(not (= 0 main_~__VERIFIER_assert__cond~0))} assume 0 == ~__VERIFIER_assert__cond~0; {1912#false} is VALID [2020-07-18 00:48:32,499 INFO L280 TraceCheckUtils]: 29: Hoare triple {1912#false} assume !false; {1912#false} is VALID [2020-07-18 00:48:32,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 00:48:32,501 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:48:32,501 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1255479506] [2020-07-18 00:48:32,501 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 00:48:32,502 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-18 00:48:32,502 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254604214] [2020-07-18 00:48:32,503 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2020-07-18 00:48:32,503 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 00:48:32,503 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-18 00:48:32,528 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:48:32,528 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-18 00:48:32,528 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 00:48:32,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-18 00:48:32,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-18 00:48:32,529 INFO L87 Difference]: Start difference. First operand 154 states and 158 transitions. Second operand 6 states. [2020-07-18 00:48:34,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:48:34,271 INFO L93 Difference]: Finished difference Result 223 states and 230 transitions. [2020-07-18 00:48:34,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-18 00:48:34,271 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2020-07-18 00:48:34,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 00:48:34,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-18 00:48:34,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 228 transitions. [2020-07-18 00:48:34,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-18 00:48:34,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 228 transitions. [2020-07-18 00:48:34,280 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 228 transitions. [2020-07-18 00:48:34,574 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 228 edges. 228 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:48:34,586 INFO L225 Difference]: With dead ends: 223 [2020-07-18 00:48:34,586 INFO L226 Difference]: Without dead ends: 221 [2020-07-18 00:48:34,588 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-07-18 00:48:34,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2020-07-18 00:48:35,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 152. [2020-07-18 00:48:35,126 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 00:48:35,126 INFO L82 GeneralOperation]: Start isEquivalent. First operand 221 states. Second operand 152 states. [2020-07-18 00:48:35,127 INFO L74 IsIncluded]: Start isIncluded. First operand 221 states. Second operand 152 states. [2020-07-18 00:48:35,127 INFO L87 Difference]: Start difference. First operand 221 states. Second operand 152 states. [2020-07-18 00:48:35,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:48:35,136 INFO L93 Difference]: Finished difference Result 221 states and 228 transitions. [2020-07-18 00:48:35,136 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 228 transitions. [2020-07-18 00:48:35,137 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:48:35,137 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:48:35,137 INFO L74 IsIncluded]: Start isIncluded. First operand 152 states. Second operand 221 states. [2020-07-18 00:48:35,137 INFO L87 Difference]: Start difference. First operand 152 states. Second operand 221 states. [2020-07-18 00:48:35,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:48:35,145 INFO L93 Difference]: Finished difference Result 221 states and 228 transitions. [2020-07-18 00:48:35,146 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 228 transitions. [2020-07-18 00:48:35,146 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:48:35,147 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:48:35,147 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 00:48:35,147 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 00:48:35,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-07-18 00:48:35,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 156 transitions. [2020-07-18 00:48:35,152 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 156 transitions. Word has length 30 [2020-07-18 00:48:35,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 00:48:35,153 INFO L479 AbstractCegarLoop]: Abstraction has 152 states and 156 transitions. [2020-07-18 00:48:35,153 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-18 00:48:35,153 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 152 states and 156 transitions. [2020-07-18 00:48:35,428 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 156 edges. 156 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:48:35,429 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 156 transitions. [2020-07-18 00:48:35,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-07-18 00:48:35,430 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:48:35,430 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] [2020-07-18 00:48:35,431 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-18 00:48:35,431 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]=== [2020-07-18 00:48:35,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:48:35,432 INFO L82 PathProgramCache]: Analyzing trace with hash 949374873, now seen corresponding path program 1 times [2020-07-18 00:48:35,432 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:48:35,432 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1507126782] [2020-07-18 00:48:35,433 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:48:35,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:48:35,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:48:35,537 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 [2020-07-18 00:48:35,537 INFO L280 TraceCheckUtils]: 1: Hoare triple {3126#true} ~__return_334~0 := 0; {3126#true} is VALID [2020-07-18 00:48:35,537 INFO L280 TraceCheckUtils]: 2: Hoare triple {3126#true} assume true; {3126#true} is VALID [2020-07-18 00:48:35,538 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3126#true} {3126#true} #261#return; {3126#true} is VALID [2020-07-18 00:48:35,539 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 [2020-07-18 00:48:35,539 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 [2020-07-18 00:48:35,539 INFO L280 TraceCheckUtils]: 2: Hoare triple {3126#true} ~__return_334~0 := 0; {3126#true} is VALID [2020-07-18 00:48:35,539 INFO L280 TraceCheckUtils]: 3: Hoare triple {3126#true} assume true; {3126#true} is VALID [2020-07-18 00:48:35,540 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3126#true} {3126#true} #261#return; {3126#true} is VALID [2020-07-18 00:48:35,540 INFO L263 TraceCheckUtils]: 5: Hoare triple {3126#true} call #t~ret3 := main(); {3126#true} is VALID [2020-07-18 00:48:35,540 INFO L280 TraceCheckUtils]: 6: Hoare triple {3126#true} havoc ~main__len~0; {3126#true} is VALID [2020-07-18 00:48:35,540 INFO L280 TraceCheckUtils]: 7: Hoare triple {3126#true} havoc ~main__i~0; {3126#true} is VALID [2020-07-18 00:48:35,540 INFO L280 TraceCheckUtils]: 8: Hoare triple {3126#true} havoc ~main__j~0; {3126#true} is VALID [2020-07-18 00:48:35,541 INFO L280 TraceCheckUtils]: 9: Hoare triple {3126#true} havoc ~main__bufsize~0; {3126#true} is VALID [2020-07-18 00:48:35,541 INFO L280 TraceCheckUtils]: 10: Hoare triple {3126#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {3126#true} is VALID [2020-07-18 00:48:35,541 INFO L280 TraceCheckUtils]: 11: Hoare triple {3126#true} ~main__bufsize~0 := #t~nondet0; {3126#true} is VALID [2020-07-18 00:48:35,541 INFO L280 TraceCheckUtils]: 12: Hoare triple {3126#true} havoc #t~nondet0; {3126#true} is VALID [2020-07-18 00:48:35,542 INFO L280 TraceCheckUtils]: 13: Hoare triple {3126#true} assume !(~main__bufsize~0 < 0); {3126#true} is VALID [2020-07-18 00:48:35,542 INFO L280 TraceCheckUtils]: 14: Hoare triple {3126#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {3126#true} is VALID [2020-07-18 00:48:35,542 INFO L280 TraceCheckUtils]: 15: Hoare triple {3126#true} ~main__len~0 := #t~nondet1; {3126#true} is VALID [2020-07-18 00:48:35,543 INFO L280 TraceCheckUtils]: 16: Hoare triple {3126#true} havoc #t~nondet1; {3126#true} is VALID [2020-07-18 00:48:35,543 INFO L280 TraceCheckUtils]: 17: Hoare triple {3126#true} ~main__limit~0 := ~main__bufsize~0 - 4; {3126#true} is VALID [2020-07-18 00:48:35,545 INFO L280 TraceCheckUtils]: 18: Hoare triple {3126#true} ~main__i~0 := 0; {3132#(<= 0 main_~main__i~0)} is VALID [2020-07-18 00:48:35,546 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 [2020-07-18 00:48:35,547 INFO L280 TraceCheckUtils]: 20: Hoare triple {3132#(<= 0 main_~main__i~0)} ~main__j~0 := 0; {3132#(<= 0 main_~main__i~0)} is VALID [2020-07-18 00:48:35,547 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 [2020-07-18 00:48:35,548 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 [2020-07-18 00:48:35,548 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 [2020-07-18 00:48:35,549 INFO L280 TraceCheckUtils]: 24: Hoare triple {3132#(<= 0 main_~main__i~0)} havoc ~__tmp_3~0; {3132#(<= 0 main_~main__i~0)} is VALID [2020-07-18 00:48:35,549 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 [2020-07-18 00:48:35,550 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 [2020-07-18 00:48:35,550 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 [2020-07-18 00:48:35,551 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 [2020-07-18 00:48:35,551 INFO L280 TraceCheckUtils]: 29: Hoare triple {3132#(<= 0 main_~main__i~0)} havoc ~__tmp_4~0; {3132#(<= 0 main_~main__i~0)} is VALID [2020-07-18 00:48:35,552 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 [2020-07-18 00:48:35,552 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 [2020-07-18 00:48:35,553 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 [2020-07-18 00:48:35,554 INFO L280 TraceCheckUtils]: 33: Hoare triple {3134#(not (= 0 main_~__VERIFIER_assert__cond~3))} assume 0 == ~__VERIFIER_assert__cond~3; {3127#false} is VALID [2020-07-18 00:48:35,554 INFO L280 TraceCheckUtils]: 34: Hoare triple {3127#false} assume !false; {3127#false} is VALID [2020-07-18 00:48:35,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 00:48:35,556 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:48:35,557 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1507126782] [2020-07-18 00:48:35,557 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 00:48:35,557 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-18 00:48:35,557 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740247670] [2020-07-18 00:48:35,558 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-07-18 00:48:35,558 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 00:48:35,558 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-18 00:48:35,605 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:48:35,605 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-18 00:48:35,606 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 00:48:35,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-18 00:48:35,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-18 00:48:35,607 INFO L87 Difference]: Start difference. First operand 152 states and 156 transitions. Second operand 6 states. [2020-07-18 00:48:37,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:48:37,742 INFO L93 Difference]: Finished difference Result 263 states and 271 transitions. [2020-07-18 00:48:37,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-18 00:48:37,743 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-07-18 00:48:37,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 00:48:37,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-18 00:48:37,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 269 transitions. [2020-07-18 00:48:37,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-18 00:48:37,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 269 transitions. [2020-07-18 00:48:37,751 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 269 transitions. [2020-07-18 00:48:38,103 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 269 edges. 269 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:48:38,110 INFO L225 Difference]: With dead ends: 263 [2020-07-18 00:48:38,110 INFO L226 Difference]: Without dead ends: 261 [2020-07-18 00:48:38,110 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-07-18 00:48:38,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2020-07-18 00:48:38,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 150. [2020-07-18 00:48:38,754 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 00:48:38,754 INFO L82 GeneralOperation]: Start isEquivalent. First operand 261 states. Second operand 150 states. [2020-07-18 00:48:38,754 INFO L74 IsIncluded]: Start isIncluded. First operand 261 states. Second operand 150 states. [2020-07-18 00:48:38,754 INFO L87 Difference]: Start difference. First operand 261 states. Second operand 150 states. [2020-07-18 00:48:38,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:48:38,764 INFO L93 Difference]: Finished difference Result 261 states and 269 transitions. [2020-07-18 00:48:38,764 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 269 transitions. [2020-07-18 00:48:38,764 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:48:38,765 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:48:38,765 INFO L74 IsIncluded]: Start isIncluded. First operand 150 states. Second operand 261 states. [2020-07-18 00:48:38,765 INFO L87 Difference]: Start difference. First operand 150 states. Second operand 261 states. [2020-07-18 00:48:38,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:48:38,774 INFO L93 Difference]: Finished difference Result 261 states and 269 transitions. [2020-07-18 00:48:38,775 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 269 transitions. [2020-07-18 00:48:38,775 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:48:38,775 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:48:38,776 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 00:48:38,776 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 00:48:38,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-07-18 00:48:38,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 154 transitions. [2020-07-18 00:48:38,781 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 154 transitions. Word has length 35 [2020-07-18 00:48:38,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 00:48:38,781 INFO L479 AbstractCegarLoop]: Abstraction has 150 states and 154 transitions. [2020-07-18 00:48:38,781 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-18 00:48:38,781 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 150 states and 154 transitions. [2020-07-18 00:48:39,094 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 154 edges. 154 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:48:39,094 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 154 transitions. [2020-07-18 00:48:39,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-07-18 00:48:39,095 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:48:39,096 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] [2020-07-18 00:48:39,096 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-18 00:48:39,096 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]=== [2020-07-18 00:48:39,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:48:39,097 INFO L82 PathProgramCache]: Analyzing trace with hash 386303974, now seen corresponding path program 1 times [2020-07-18 00:48:39,097 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:48:39,098 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [268626321] [2020-07-18 00:48:39,098 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:48:39,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:48:39,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:48:39,194 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 [2020-07-18 00:48:39,195 INFO L280 TraceCheckUtils]: 1: Hoare triple {4494#true} ~__return_334~0 := 0; {4494#true} is VALID [2020-07-18 00:48:39,195 INFO L280 TraceCheckUtils]: 2: Hoare triple {4494#true} assume true; {4494#true} is VALID [2020-07-18 00:48:39,195 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4494#true} {4494#true} #261#return; {4494#true} is VALID [2020-07-18 00:48:39,196 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 [2020-07-18 00:48:39,196 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 [2020-07-18 00:48:39,196 INFO L280 TraceCheckUtils]: 2: Hoare triple {4494#true} ~__return_334~0 := 0; {4494#true} is VALID [2020-07-18 00:48:39,197 INFO L280 TraceCheckUtils]: 3: Hoare triple {4494#true} assume true; {4494#true} is VALID [2020-07-18 00:48:39,197 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4494#true} {4494#true} #261#return; {4494#true} is VALID [2020-07-18 00:48:39,197 INFO L263 TraceCheckUtils]: 5: Hoare triple {4494#true} call #t~ret3 := main(); {4494#true} is VALID [2020-07-18 00:48:39,197 INFO L280 TraceCheckUtils]: 6: Hoare triple {4494#true} havoc ~main__len~0; {4494#true} is VALID [2020-07-18 00:48:39,198 INFO L280 TraceCheckUtils]: 7: Hoare triple {4494#true} havoc ~main__i~0; {4494#true} is VALID [2020-07-18 00:48:39,198 INFO L280 TraceCheckUtils]: 8: Hoare triple {4494#true} havoc ~main__j~0; {4494#true} is VALID [2020-07-18 00:48:39,198 INFO L280 TraceCheckUtils]: 9: Hoare triple {4494#true} havoc ~main__bufsize~0; {4494#true} is VALID [2020-07-18 00:48:39,198 INFO L280 TraceCheckUtils]: 10: Hoare triple {4494#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {4494#true} is VALID [2020-07-18 00:48:39,199 INFO L280 TraceCheckUtils]: 11: Hoare triple {4494#true} ~main__bufsize~0 := #t~nondet0; {4494#true} is VALID [2020-07-18 00:48:39,199 INFO L280 TraceCheckUtils]: 12: Hoare triple {4494#true} havoc #t~nondet0; {4494#true} is VALID [2020-07-18 00:48:39,199 INFO L280 TraceCheckUtils]: 13: Hoare triple {4494#true} assume !(~main__bufsize~0 < 0); {4494#true} is VALID [2020-07-18 00:48:39,199 INFO L280 TraceCheckUtils]: 14: Hoare triple {4494#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {4494#true} is VALID [2020-07-18 00:48:39,200 INFO L280 TraceCheckUtils]: 15: Hoare triple {4494#true} ~main__len~0 := #t~nondet1; {4494#true} is VALID [2020-07-18 00:48:39,200 INFO L280 TraceCheckUtils]: 16: Hoare triple {4494#true} havoc #t~nondet1; {4494#true} is VALID [2020-07-18 00:48:39,200 INFO L280 TraceCheckUtils]: 17: Hoare triple {4494#true} ~main__limit~0 := ~main__bufsize~0 - 4; {4494#true} is VALID [2020-07-18 00:48:39,209 INFO L280 TraceCheckUtils]: 18: Hoare triple {4494#true} ~main__i~0 := 0; {4500#(<= 0 main_~main__i~0)} is VALID [2020-07-18 00:48:39,210 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 [2020-07-18 00:48:39,210 INFO L280 TraceCheckUtils]: 20: Hoare triple {4500#(<= 0 main_~main__i~0)} ~main__j~0 := 0; {4500#(<= 0 main_~main__i~0)} is VALID [2020-07-18 00:48:39,211 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 [2020-07-18 00:48:39,211 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 [2020-07-18 00:48:39,212 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 [2020-07-18 00:48:39,212 INFO L280 TraceCheckUtils]: 24: Hoare triple {4500#(<= 0 main_~main__i~0)} havoc ~__tmp_1~0; {4500#(<= 0 main_~main__i~0)} is VALID [2020-07-18 00:48:39,213 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 [2020-07-18 00:48:39,213 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 [2020-07-18 00:48:39,214 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 [2020-07-18 00:48:39,214 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 [2020-07-18 00:48:39,215 INFO L280 TraceCheckUtils]: 29: Hoare triple {4500#(<= 0 main_~main__i~0)} havoc ~__tmp_2~0; {4500#(<= 0 main_~main__i~0)} is VALID [2020-07-18 00:48:39,215 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 [2020-07-18 00:48:39,216 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 [2020-07-18 00:48:39,216 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 [2020-07-18 00:48:39,217 INFO L280 TraceCheckUtils]: 33: Hoare triple {4502#(not (= 0 main_~__VERIFIER_assert__cond~1))} assume 0 == ~__VERIFIER_assert__cond~1; {4495#false} is VALID [2020-07-18 00:48:39,218 INFO L280 TraceCheckUtils]: 34: Hoare triple {4495#false} assume !false; {4495#false} is VALID [2020-07-18 00:48:39,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 00:48:39,220 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:48:39,220 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [268626321] [2020-07-18 00:48:39,220 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 00:48:39,221 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-18 00:48:39,221 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914603807] [2020-07-18 00:48:39,221 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-07-18 00:48:39,222 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 00:48:39,222 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-18 00:48:39,252 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:48:39,253 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-18 00:48:39,253 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 00:48:39,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-18 00:48:39,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-18 00:48:39,254 INFO L87 Difference]: Start difference. First operand 150 states and 154 transitions. Second operand 6 states. [2020-07-18 00:48:40,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:48:40,897 INFO L93 Difference]: Finished difference Result 192 states and 199 transitions. [2020-07-18 00:48:40,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-18 00:48:40,898 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-07-18 00:48:40,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 00:48:40,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-18 00:48:40,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 197 transitions. [2020-07-18 00:48:40,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-18 00:48:40,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 197 transitions. [2020-07-18 00:48:40,904 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 197 transitions. [2020-07-18 00:48:41,160 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 197 edges. 197 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:48:41,164 INFO L225 Difference]: With dead ends: 192 [2020-07-18 00:48:41,165 INFO L226 Difference]: Without dead ends: 190 [2020-07-18 00:48:41,165 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-07-18 00:48:41,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2020-07-18 00:48:41,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 148. [2020-07-18 00:48:41,911 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 00:48:41,911 INFO L82 GeneralOperation]: Start isEquivalent. First operand 190 states. Second operand 148 states. [2020-07-18 00:48:41,911 INFO L74 IsIncluded]: Start isIncluded. First operand 190 states. Second operand 148 states. [2020-07-18 00:48:41,912 INFO L87 Difference]: Start difference. First operand 190 states. Second operand 148 states. [2020-07-18 00:48:41,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:48:41,917 INFO L93 Difference]: Finished difference Result 190 states and 197 transitions. [2020-07-18 00:48:41,917 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 197 transitions. [2020-07-18 00:48:41,918 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:48:41,918 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:48:41,918 INFO L74 IsIncluded]: Start isIncluded. First operand 148 states. Second operand 190 states. [2020-07-18 00:48:41,918 INFO L87 Difference]: Start difference. First operand 148 states. Second operand 190 states. [2020-07-18 00:48:41,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:48:41,924 INFO L93 Difference]: Finished difference Result 190 states and 197 transitions. [2020-07-18 00:48:41,924 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 197 transitions. [2020-07-18 00:48:41,925 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:48:41,925 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:48:41,925 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 00:48:41,926 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 00:48:41,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-07-18 00:48:41,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 152 transitions. [2020-07-18 00:48:41,930 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 152 transitions. Word has length 35 [2020-07-18 00:48:41,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 00:48:41,930 INFO L479 AbstractCegarLoop]: Abstraction has 148 states and 152 transitions. [2020-07-18 00:48:41,930 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-18 00:48:41,931 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 148 states and 152 transitions. [2020-07-18 00:48:42,258 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 152 edges. 152 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:48:42,259 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 152 transitions. [2020-07-18 00:48:42,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-07-18 00:48:42,260 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:48:42,260 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] [2020-07-18 00:48:42,260 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-18 00:48:42,261 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]=== [2020-07-18 00:48:42,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:48:42,261 INFO L82 PathProgramCache]: Analyzing trace with hash 1765112685, now seen corresponding path program 1 times [2020-07-18 00:48:42,262 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:48:42,262 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [355890309] [2020-07-18 00:48:42,262 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:48:42,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:48:42,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:48:42,366 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 [2020-07-18 00:48:42,366 INFO L280 TraceCheckUtils]: 1: Hoare triple {5574#true} ~__return_334~0 := 0; {5574#true} is VALID [2020-07-18 00:48:42,367 INFO L280 TraceCheckUtils]: 2: Hoare triple {5574#true} assume true; {5574#true} is VALID [2020-07-18 00:48:42,367 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {5574#true} {5574#true} #261#return; {5574#true} is VALID [2020-07-18 00:48:42,368 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 [2020-07-18 00:48:42,368 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 [2020-07-18 00:48:42,368 INFO L280 TraceCheckUtils]: 2: Hoare triple {5574#true} ~__return_334~0 := 0; {5574#true} is VALID [2020-07-18 00:48:42,368 INFO L280 TraceCheckUtils]: 3: Hoare triple {5574#true} assume true; {5574#true} is VALID [2020-07-18 00:48:42,368 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {5574#true} {5574#true} #261#return; {5574#true} is VALID [2020-07-18 00:48:42,369 INFO L263 TraceCheckUtils]: 5: Hoare triple {5574#true} call #t~ret3 := main(); {5574#true} is VALID [2020-07-18 00:48:42,369 INFO L280 TraceCheckUtils]: 6: Hoare triple {5574#true} havoc ~main__len~0; {5574#true} is VALID [2020-07-18 00:48:42,369 INFO L280 TraceCheckUtils]: 7: Hoare triple {5574#true} havoc ~main__i~0; {5574#true} is VALID [2020-07-18 00:48:42,369 INFO L280 TraceCheckUtils]: 8: Hoare triple {5574#true} havoc ~main__j~0; {5574#true} is VALID [2020-07-18 00:48:42,369 INFO L280 TraceCheckUtils]: 9: Hoare triple {5574#true} havoc ~main__bufsize~0; {5574#true} is VALID [2020-07-18 00:48:42,370 INFO L280 TraceCheckUtils]: 10: Hoare triple {5574#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {5574#true} is VALID [2020-07-18 00:48:42,370 INFO L280 TraceCheckUtils]: 11: Hoare triple {5574#true} ~main__bufsize~0 := #t~nondet0; {5574#true} is VALID [2020-07-18 00:48:42,370 INFO L280 TraceCheckUtils]: 12: Hoare triple {5574#true} havoc #t~nondet0; {5574#true} is VALID [2020-07-18 00:48:42,370 INFO L280 TraceCheckUtils]: 13: Hoare triple {5574#true} assume !(~main__bufsize~0 < 0); {5574#true} is VALID [2020-07-18 00:48:42,370 INFO L280 TraceCheckUtils]: 14: Hoare triple {5574#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {5574#true} is VALID [2020-07-18 00:48:42,370 INFO L280 TraceCheckUtils]: 15: Hoare triple {5574#true} ~main__len~0 := #t~nondet1; {5574#true} is VALID [2020-07-18 00:48:42,371 INFO L280 TraceCheckUtils]: 16: Hoare triple {5574#true} havoc #t~nondet1; {5574#true} is VALID [2020-07-18 00:48:42,371 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 [2020-07-18 00:48:42,372 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 [2020-07-18 00:48:42,372 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 [2020-07-18 00:48:42,372 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 [2020-07-18 00:48:42,373 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 [2020-07-18 00:48:42,374 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 [2020-07-18 00:48:42,374 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 [2020-07-18 00:48:42,375 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 [2020-07-18 00:48:42,375 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 [2020-07-18 00:48:42,376 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 [2020-07-18 00:48:42,376 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 [2020-07-18 00:48:42,377 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 [2020-07-18 00:48:42,377 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 [2020-07-18 00:48:42,377 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 [2020-07-18 00:48:42,378 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 [2020-07-18 00:48:42,378 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 [2020-07-18 00:48:42,379 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 [2020-07-18 00:48:42,379 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 [2020-07-18 00:48:42,380 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 [2020-07-18 00:48:42,381 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 [2020-07-18 00:48:42,381 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 [2020-07-18 00:48:42,382 INFO L280 TraceCheckUtils]: 38: Hoare triple {5583#(not (= 0 main_~__VERIFIER_assert__cond~4))} assume 0 == ~__VERIFIER_assert__cond~4; {5575#false} is VALID [2020-07-18 00:48:42,382 INFO L280 TraceCheckUtils]: 39: Hoare triple {5575#false} assume !false; {5575#false} is VALID [2020-07-18 00:48:42,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 00:48:42,384 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:48:42,384 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [355890309] [2020-07-18 00:48:42,384 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 00:48:42,385 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-18 00:48:42,385 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830120237] [2020-07-18 00:48:42,385 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 40 [2020-07-18 00:48:42,385 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 00:48:42,385 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-18 00:48:42,426 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 40 edges. 40 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:48:42,426 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-18 00:48:42,426 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 00:48:42,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-18 00:48:42,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-07-18 00:48:42,427 INFO L87 Difference]: Start difference. First operand 148 states and 152 transitions. Second operand 7 states. [2020-07-18 00:48:45,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:48:45,570 INFO L93 Difference]: Finished difference Result 262 states and 270 transitions. [2020-07-18 00:48:45,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-18 00:48:45,571 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 40 [2020-07-18 00:48:45,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 00:48:45,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-18 00:48:45,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 268 transitions. [2020-07-18 00:48:45,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-18 00:48:45,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 268 transitions. [2020-07-18 00:48:45,587 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 268 transitions. [2020-07-18 00:48:45,958 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 268 edges. 268 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:48:45,964 INFO L225 Difference]: With dead ends: 262 [2020-07-18 00:48:45,965 INFO L226 Difference]: Without dead ends: 260 [2020-07-18 00:48:45,965 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2020-07-18 00:48:45,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2020-07-18 00:48:46,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 146. [2020-07-18 00:48:46,876 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 00:48:46,876 INFO L82 GeneralOperation]: Start isEquivalent. First operand 260 states. Second operand 146 states. [2020-07-18 00:48:46,876 INFO L74 IsIncluded]: Start isIncluded. First operand 260 states. Second operand 146 states. [2020-07-18 00:48:46,877 INFO L87 Difference]: Start difference. First operand 260 states. Second operand 146 states. [2020-07-18 00:48:46,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:48:46,886 INFO L93 Difference]: Finished difference Result 260 states and 268 transitions. [2020-07-18 00:48:46,886 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 268 transitions. [2020-07-18 00:48:46,887 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:48:46,887 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:48:46,887 INFO L74 IsIncluded]: Start isIncluded. First operand 146 states. Second operand 260 states. [2020-07-18 00:48:46,887 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 260 states. [2020-07-18 00:48:46,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:48:46,896 INFO L93 Difference]: Finished difference Result 260 states and 268 transitions. [2020-07-18 00:48:46,896 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 268 transitions. [2020-07-18 00:48:46,897 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:48:46,897 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:48:46,897 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 00:48:46,898 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 00:48:46,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-07-18 00:48:46,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 150 transitions. [2020-07-18 00:48:46,902 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 150 transitions. Word has length 40 [2020-07-18 00:48:46,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 00:48:46,903 INFO L479 AbstractCegarLoop]: Abstraction has 146 states and 150 transitions. [2020-07-18 00:48:46,903 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-18 00:48:46,903 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 146 states and 150 transitions. [2020-07-18 00:48:47,304 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 150 edges. 150 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:48:47,305 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 150 transitions. [2020-07-18 00:48:47,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-07-18 00:48:47,306 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:48:47,306 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] [2020-07-18 00:48:47,306 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-18 00:48:47,307 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]=== [2020-07-18 00:48:47,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:48:47,307 INFO L82 PathProgramCache]: Analyzing trace with hash -1900232348, now seen corresponding path program 1 times [2020-07-18 00:48:47,307 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:48:47,307 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1864798271] [2020-07-18 00:48:47,308 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:48:47,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:48:47,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:48:47,424 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 [2020-07-18 00:48:47,424 INFO L280 TraceCheckUtils]: 1: Hoare triple {6935#true} ~__return_334~0 := 0; {6935#true} is VALID [2020-07-18 00:48:47,425 INFO L280 TraceCheckUtils]: 2: Hoare triple {6935#true} assume true; {6935#true} is VALID [2020-07-18 00:48:47,425 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {6935#true} {6935#true} #261#return; {6935#true} is VALID [2020-07-18 00:48:47,426 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 [2020-07-18 00:48:47,426 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 [2020-07-18 00:48:47,426 INFO L280 TraceCheckUtils]: 2: Hoare triple {6935#true} ~__return_334~0 := 0; {6935#true} is VALID [2020-07-18 00:48:47,427 INFO L280 TraceCheckUtils]: 3: Hoare triple {6935#true} assume true; {6935#true} is VALID [2020-07-18 00:48:47,427 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {6935#true} {6935#true} #261#return; {6935#true} is VALID [2020-07-18 00:48:47,427 INFO L263 TraceCheckUtils]: 5: Hoare triple {6935#true} call #t~ret3 := main(); {6935#true} is VALID [2020-07-18 00:48:47,427 INFO L280 TraceCheckUtils]: 6: Hoare triple {6935#true} havoc ~main__len~0; {6935#true} is VALID [2020-07-18 00:48:47,428 INFO L280 TraceCheckUtils]: 7: Hoare triple {6935#true} havoc ~main__i~0; {6935#true} is VALID [2020-07-18 00:48:47,428 INFO L280 TraceCheckUtils]: 8: Hoare triple {6935#true} havoc ~main__j~0; {6935#true} is VALID [2020-07-18 00:48:47,428 INFO L280 TraceCheckUtils]: 9: Hoare triple {6935#true} havoc ~main__bufsize~0; {6935#true} is VALID [2020-07-18 00:48:47,428 INFO L280 TraceCheckUtils]: 10: Hoare triple {6935#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {6935#true} is VALID [2020-07-18 00:48:47,429 INFO L280 TraceCheckUtils]: 11: Hoare triple {6935#true} ~main__bufsize~0 := #t~nondet0; {6935#true} is VALID [2020-07-18 00:48:47,429 INFO L280 TraceCheckUtils]: 12: Hoare triple {6935#true} havoc #t~nondet0; {6935#true} is VALID [2020-07-18 00:48:47,429 INFO L280 TraceCheckUtils]: 13: Hoare triple {6935#true} assume !(~main__bufsize~0 < 0); {6935#true} is VALID [2020-07-18 00:48:47,429 INFO L280 TraceCheckUtils]: 14: Hoare triple {6935#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {6935#true} is VALID [2020-07-18 00:48:47,430 INFO L280 TraceCheckUtils]: 15: Hoare triple {6935#true} ~main__len~0 := #t~nondet1; {6935#true} is VALID [2020-07-18 00:48:47,430 INFO L280 TraceCheckUtils]: 16: Hoare triple {6935#true} havoc #t~nondet1; {6935#true} is VALID [2020-07-18 00:48:47,430 INFO L280 TraceCheckUtils]: 17: Hoare triple {6935#true} ~main__limit~0 := ~main__bufsize~0 - 4; {6935#true} is VALID [2020-07-18 00:48:47,430 INFO L280 TraceCheckUtils]: 18: Hoare triple {6935#true} ~main__i~0 := 0; {6935#true} is VALID [2020-07-18 00:48:47,430 INFO L280 TraceCheckUtils]: 19: Hoare triple {6935#true} assume ~main__i~0 < ~main__len~0; {6935#true} is VALID [2020-07-18 00:48:47,436 INFO L280 TraceCheckUtils]: 20: Hoare triple {6935#true} ~main__j~0 := 0; {6941#(<= 0 main_~main__j~0)} is VALID [2020-07-18 00:48:47,437 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 [2020-07-18 00:48:47,437 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 [2020-07-18 00:48:47,438 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 [2020-07-18 00:48:47,438 INFO L280 TraceCheckUtils]: 24: Hoare triple {6941#(<= 0 main_~main__j~0)} havoc ~__tmp_3~0; {6941#(<= 0 main_~main__j~0)} is VALID [2020-07-18 00:48:47,439 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 [2020-07-18 00:48:47,439 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 [2020-07-18 00:48:47,440 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 [2020-07-18 00:48:47,440 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 [2020-07-18 00:48:47,440 INFO L280 TraceCheckUtils]: 29: Hoare triple {6941#(<= 0 main_~main__j~0)} havoc ~__tmp_4~0; {6941#(<= 0 main_~main__j~0)} is VALID [2020-07-18 00:48:47,441 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 [2020-07-18 00:48:47,441 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 [2020-07-18 00:48:47,442 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 [2020-07-18 00:48:47,442 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 [2020-07-18 00:48:47,443 INFO L280 TraceCheckUtils]: 34: Hoare triple {6941#(<= 0 main_~main__j~0)} havoc ~__tmp_5~0; {6941#(<= 0 main_~main__j~0)} is VALID [2020-07-18 00:48:47,443 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 [2020-07-18 00:48:47,444 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 [2020-07-18 00:48:47,444 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 [2020-07-18 00:48:47,445 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 [2020-07-18 00:48:47,445 INFO L280 TraceCheckUtils]: 39: Hoare triple {6941#(<= 0 main_~main__j~0)} havoc ~__tmp_6~0; {6941#(<= 0 main_~main__j~0)} is VALID [2020-07-18 00:48:47,446 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 [2020-07-18 00:48:47,446 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 [2020-07-18 00:48:47,447 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 [2020-07-18 00:48:47,447 INFO L280 TraceCheckUtils]: 43: Hoare triple {6943#(not (= 0 main_~__VERIFIER_assert__cond~5))} assume 0 == ~__VERIFIER_assert__cond~5; {6936#false} is VALID [2020-07-18 00:48:47,447 INFO L280 TraceCheckUtils]: 44: Hoare triple {6936#false} assume !false; {6936#false} is VALID [2020-07-18 00:48:47,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 00:48:47,449 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:48:47,450 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1864798271] [2020-07-18 00:48:47,450 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 00:48:47,450 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-18 00:48:47,450 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589155854] [2020-07-18 00:48:47,451 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 45 [2020-07-18 00:48:47,451 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 00:48:47,451 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-18 00:48:47,499 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 45 edges. 45 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:48:47,499 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-18 00:48:47,499 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 00:48:47,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-18 00:48:47,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-18 00:48:47,500 INFO L87 Difference]: Start difference. First operand 146 states and 150 transitions. Second operand 6 states. [2020-07-18 00:48:50,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:48:50,396 INFO L93 Difference]: Finished difference Result 267 states and 275 transitions. [2020-07-18 00:48:50,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-18 00:48:50,396 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 45 [2020-07-18 00:48:50,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 00:48:50,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-18 00:48:50,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 273 transitions. [2020-07-18 00:48:50,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-18 00:48:50,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 273 transitions. [2020-07-18 00:48:50,401 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 273 transitions. [2020-07-18 00:48:50,752 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 273 edges. 273 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:48:50,759 INFO L225 Difference]: With dead ends: 267 [2020-07-18 00:48:50,759 INFO L226 Difference]: Without dead ends: 265 [2020-07-18 00:48:50,760 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-07-18 00:48:50,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2020-07-18 00:48:51,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 144. [2020-07-18 00:48:51,807 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 00:48:51,808 INFO L82 GeneralOperation]: Start isEquivalent. First operand 265 states. Second operand 144 states. [2020-07-18 00:48:51,808 INFO L74 IsIncluded]: Start isIncluded. First operand 265 states. Second operand 144 states. [2020-07-18 00:48:51,808 INFO L87 Difference]: Start difference. First operand 265 states. Second operand 144 states. [2020-07-18 00:48:51,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:48:51,816 INFO L93 Difference]: Finished difference Result 265 states and 273 transitions. [2020-07-18 00:48:51,816 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 273 transitions. [2020-07-18 00:48:51,817 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:48:51,817 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:48:51,817 INFO L74 IsIncluded]: Start isIncluded. First operand 144 states. Second operand 265 states. [2020-07-18 00:48:51,817 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 265 states. [2020-07-18 00:48:51,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:48:51,824 INFO L93 Difference]: Finished difference Result 265 states and 273 transitions. [2020-07-18 00:48:51,824 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 273 transitions. [2020-07-18 00:48:51,825 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:48:51,825 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:48:51,825 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 00:48:51,825 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 00:48:51,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-07-18 00:48:51,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 148 transitions. [2020-07-18 00:48:51,828 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 148 transitions. Word has length 45 [2020-07-18 00:48:51,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 00:48:51,829 INFO L479 AbstractCegarLoop]: Abstraction has 144 states and 148 transitions. [2020-07-18 00:48:51,829 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-18 00:48:51,829 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 144 states and 148 transitions. [2020-07-18 00:48:52,281 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 148 edges. 148 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:48:52,281 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 148 transitions. [2020-07-18 00:48:52,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-07-18 00:48:52,282 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:48:52,284 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] [2020-07-18 00:48:52,284 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-18 00:48:52,285 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]=== [2020-07-18 00:48:52,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:48:52,286 INFO L82 PathProgramCache]: Analyzing trace with hash -1678067487, now seen corresponding path program 1 times [2020-07-18 00:48:52,287 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:48:52,287 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1718389302] [2020-07-18 00:48:52,287 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:48:52,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:48:52,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:48:52,417 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 [2020-07-18 00:48:52,417 INFO L280 TraceCheckUtils]: 1: Hoare triple {8309#true} ~__return_334~0 := 0; {8309#true} is VALID [2020-07-18 00:48:52,417 INFO L280 TraceCheckUtils]: 2: Hoare triple {8309#true} assume true; {8309#true} is VALID [2020-07-18 00:48:52,418 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {8309#true} {8309#true} #261#return; {8309#true} is VALID [2020-07-18 00:48:52,419 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 [2020-07-18 00:48:52,419 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 [2020-07-18 00:48:52,420 INFO L280 TraceCheckUtils]: 2: Hoare triple {8309#true} ~__return_334~0 := 0; {8309#true} is VALID [2020-07-18 00:48:52,420 INFO L280 TraceCheckUtils]: 3: Hoare triple {8309#true} assume true; {8309#true} is VALID [2020-07-18 00:48:52,420 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {8309#true} {8309#true} #261#return; {8309#true} is VALID [2020-07-18 00:48:52,421 INFO L263 TraceCheckUtils]: 5: Hoare triple {8309#true} call #t~ret3 := main(); {8309#true} is VALID [2020-07-18 00:48:52,421 INFO L280 TraceCheckUtils]: 6: Hoare triple {8309#true} havoc ~main__len~0; {8309#true} is VALID [2020-07-18 00:48:52,421 INFO L280 TraceCheckUtils]: 7: Hoare triple {8309#true} havoc ~main__i~0; {8309#true} is VALID [2020-07-18 00:48:52,422 INFO L280 TraceCheckUtils]: 8: Hoare triple {8309#true} havoc ~main__j~0; {8309#true} is VALID [2020-07-18 00:48:52,422 INFO L280 TraceCheckUtils]: 9: Hoare triple {8309#true} havoc ~main__bufsize~0; {8309#true} is VALID [2020-07-18 00:48:52,422 INFO L280 TraceCheckUtils]: 10: Hoare triple {8309#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {8309#true} is VALID [2020-07-18 00:48:52,422 INFO L280 TraceCheckUtils]: 11: Hoare triple {8309#true} ~main__bufsize~0 := #t~nondet0; {8309#true} is VALID [2020-07-18 00:48:52,423 INFO L280 TraceCheckUtils]: 12: Hoare triple {8309#true} havoc #t~nondet0; {8309#true} is VALID [2020-07-18 00:48:52,423 INFO L280 TraceCheckUtils]: 13: Hoare triple {8309#true} assume !(~main__bufsize~0 < 0); {8309#true} is VALID [2020-07-18 00:48:52,423 INFO L280 TraceCheckUtils]: 14: Hoare triple {8309#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {8309#true} is VALID [2020-07-18 00:48:52,423 INFO L280 TraceCheckUtils]: 15: Hoare triple {8309#true} ~main__len~0 := #t~nondet1; {8309#true} is VALID [2020-07-18 00:48:52,424 INFO L280 TraceCheckUtils]: 16: Hoare triple {8309#true} havoc #t~nondet1; {8309#true} is VALID [2020-07-18 00:48:52,424 INFO L280 TraceCheckUtils]: 17: Hoare triple {8309#true} ~main__limit~0 := ~main__bufsize~0 - 4; {8309#true} is VALID [2020-07-18 00:48:52,424 INFO L280 TraceCheckUtils]: 18: Hoare triple {8309#true} ~main__i~0 := 0; {8309#true} is VALID [2020-07-18 00:48:52,425 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 [2020-07-18 00:48:52,425 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 [2020-07-18 00:48:52,426 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 [2020-07-18 00:48:52,427 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 [2020-07-18 00:48:52,428 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 [2020-07-18 00:48:52,428 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 [2020-07-18 00:48:52,429 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 [2020-07-18 00:48:52,430 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 [2020-07-18 00:48:52,431 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 [2020-07-18 00:48:52,431 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 [2020-07-18 00:48:52,432 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 [2020-07-18 00:48:52,432 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 [2020-07-18 00:48:52,433 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 [2020-07-18 00:48:52,434 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 [2020-07-18 00:48:52,435 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 [2020-07-18 00:48:52,435 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 [2020-07-18 00:48:52,436 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 [2020-07-18 00:48:52,437 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 [2020-07-18 00:48:52,438 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 [2020-07-18 00:48:52,439 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 [2020-07-18 00:48:52,439 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 [2020-07-18 00:48:52,440 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 [2020-07-18 00:48:52,441 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 [2020-07-18 00:48:52,442 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 [2020-07-18 00:48:52,443 INFO L280 TraceCheckUtils]: 43: Hoare triple {8317#(not (= 0 main_~__VERIFIER_assert__cond~6))} assume 0 == ~__VERIFIER_assert__cond~6; {8310#false} is VALID [2020-07-18 00:48:52,443 INFO L280 TraceCheckUtils]: 44: Hoare triple {8310#false} assume !false; {8310#false} is VALID [2020-07-18 00:48:52,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 00:48:52,447 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:48:52,447 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1718389302] [2020-07-18 00:48:52,447 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 00:48:52,448 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-18 00:48:52,448 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542318778] [2020-07-18 00:48:52,448 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 45 [2020-07-18 00:48:52,449 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 00:48:52,449 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-18 00:48:52,502 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 45 edges. 45 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:48:52,502 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-18 00:48:52,502 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 00:48:52,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-18 00:48:52,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-18 00:48:52,503 INFO L87 Difference]: Start difference. First operand 144 states and 148 transitions. Second operand 6 states. [2020-07-18 00:48:54,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:48:54,924 INFO L93 Difference]: Finished difference Result 194 states and 202 transitions. [2020-07-18 00:48:54,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-18 00:48:54,924 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 45 [2020-07-18 00:48:54,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 00:48:54,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-18 00:48:54,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 202 transitions. [2020-07-18 00:48:54,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-18 00:48:54,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 202 transitions. [2020-07-18 00:48:54,932 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 202 transitions. [2020-07-18 00:48:55,207 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 202 edges. 202 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:48:55,212 INFO L225 Difference]: With dead ends: 194 [2020-07-18 00:48:55,213 INFO L226 Difference]: Without dead ends: 192 [2020-07-18 00:48:55,213 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 [2020-07-18 00:48:55,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2020-07-18 00:48:56,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 142. [2020-07-18 00:48:56,285 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 00:48:56,285 INFO L82 GeneralOperation]: Start isEquivalent. First operand 192 states. Second operand 142 states. [2020-07-18 00:48:56,285 INFO L74 IsIncluded]: Start isIncluded. First operand 192 states. Second operand 142 states. [2020-07-18 00:48:56,285 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 142 states. [2020-07-18 00:48:56,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:48:56,290 INFO L93 Difference]: Finished difference Result 192 states and 200 transitions. [2020-07-18 00:48:56,290 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 200 transitions. [2020-07-18 00:48:56,290 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:48:56,291 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:48:56,291 INFO L74 IsIncluded]: Start isIncluded. First operand 142 states. Second operand 192 states. [2020-07-18 00:48:56,291 INFO L87 Difference]: Start difference. First operand 142 states. Second operand 192 states. [2020-07-18 00:48:56,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:48:56,296 INFO L93 Difference]: Finished difference Result 192 states and 200 transitions. [2020-07-18 00:48:56,296 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 200 transitions. [2020-07-18 00:48:56,296 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:48:56,297 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:48:56,297 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 00:48:56,297 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 00:48:56,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-07-18 00:48:56,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 146 transitions. [2020-07-18 00:48:56,300 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 146 transitions. Word has length 45 [2020-07-18 00:48:56,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 00:48:56,300 INFO L479 AbstractCegarLoop]: Abstraction has 142 states and 146 transitions. [2020-07-18 00:48:56,300 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-18 00:48:56,301 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 142 states and 146 transitions. [2020-07-18 00:48:56,742 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 146 edges. 146 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:48:56,743 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 146 transitions. [2020-07-18 00:48:56,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-07-18 00:48:56,744 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:48:56,744 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] [2020-07-18 00:48:56,744 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-18 00:48:56,744 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]=== [2020-07-18 00:48:56,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:48:56,745 INFO L82 PathProgramCache]: Analyzing trace with hash 776869197, now seen corresponding path program 1 times [2020-07-18 00:48:56,745 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:48:56,745 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [618200482] [2020-07-18 00:48:56,746 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:48:56,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:48:56,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:48:56,902 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 [2020-07-18 00:48:56,903 INFO L280 TraceCheckUtils]: 1: Hoare triple {9387#true} ~__return_334~0 := 0; {9387#true} is VALID [2020-07-18 00:48:56,903 INFO L280 TraceCheckUtils]: 2: Hoare triple {9387#true} assume true; {9387#true} is VALID [2020-07-18 00:48:56,903 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {9387#true} {9387#true} #261#return; {9387#true} is VALID [2020-07-18 00:48:56,904 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 [2020-07-18 00:48:56,904 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 [2020-07-18 00:48:56,904 INFO L280 TraceCheckUtils]: 2: Hoare triple {9387#true} ~__return_334~0 := 0; {9387#true} is VALID [2020-07-18 00:48:56,905 INFO L280 TraceCheckUtils]: 3: Hoare triple {9387#true} assume true; {9387#true} is VALID [2020-07-18 00:48:56,905 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {9387#true} {9387#true} #261#return; {9387#true} is VALID [2020-07-18 00:48:56,906 INFO L263 TraceCheckUtils]: 5: Hoare triple {9387#true} call #t~ret3 := main(); {9387#true} is VALID [2020-07-18 00:48:56,906 INFO L280 TraceCheckUtils]: 6: Hoare triple {9387#true} havoc ~main__len~0; {9387#true} is VALID [2020-07-18 00:48:56,906 INFO L280 TraceCheckUtils]: 7: Hoare triple {9387#true} havoc ~main__i~0; {9387#true} is VALID [2020-07-18 00:48:56,907 INFO L280 TraceCheckUtils]: 8: Hoare triple {9387#true} havoc ~main__j~0; {9387#true} is VALID [2020-07-18 00:48:56,907 INFO L280 TraceCheckUtils]: 9: Hoare triple {9387#true} havoc ~main__bufsize~0; {9387#true} is VALID [2020-07-18 00:48:56,907 INFO L280 TraceCheckUtils]: 10: Hoare triple {9387#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {9387#true} is VALID [2020-07-18 00:48:56,907 INFO L280 TraceCheckUtils]: 11: Hoare triple {9387#true} ~main__bufsize~0 := #t~nondet0; {9387#true} is VALID [2020-07-18 00:48:56,908 INFO L280 TraceCheckUtils]: 12: Hoare triple {9387#true} havoc #t~nondet0; {9387#true} is VALID [2020-07-18 00:48:56,908 INFO L280 TraceCheckUtils]: 13: Hoare triple {9387#true} assume !(~main__bufsize~0 < 0); {9387#true} is VALID [2020-07-18 00:48:56,908 INFO L280 TraceCheckUtils]: 14: Hoare triple {9387#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {9387#true} is VALID [2020-07-18 00:48:56,908 INFO L280 TraceCheckUtils]: 15: Hoare triple {9387#true} ~main__len~0 := #t~nondet1; {9387#true} is VALID [2020-07-18 00:48:56,909 INFO L280 TraceCheckUtils]: 16: Hoare triple {9387#true} havoc #t~nondet1; {9387#true} is VALID [2020-07-18 00:48:56,909 INFO L280 TraceCheckUtils]: 17: Hoare triple {9387#true} ~main__limit~0 := ~main__bufsize~0 - 4; {9387#true} is VALID [2020-07-18 00:48:56,909 INFO L280 TraceCheckUtils]: 18: Hoare triple {9387#true} ~main__i~0 := 0; {9387#true} is VALID [2020-07-18 00:48:56,909 INFO L280 TraceCheckUtils]: 19: Hoare triple {9387#true} assume ~main__i~0 < ~main__len~0; {9387#true} is VALID [2020-07-18 00:48:56,909 INFO L280 TraceCheckUtils]: 20: Hoare triple {9387#true} ~main__j~0 := 0; {9387#true} is VALID [2020-07-18 00:48:56,910 INFO L280 TraceCheckUtils]: 21: Hoare triple {9387#true} assume ~main__i~0 < ~main__len~0; {9387#true} is VALID [2020-07-18 00:48:56,910 INFO L280 TraceCheckUtils]: 22: Hoare triple {9387#true} assume ~main__j~0 < ~main__limit~0; {9387#true} is VALID [2020-07-18 00:48:56,910 INFO L280 TraceCheckUtils]: 23: Hoare triple {9387#true} assume 1 + ~main__i~0 < ~main__len~0; {9387#true} is VALID [2020-07-18 00:48:56,910 INFO L280 TraceCheckUtils]: 24: Hoare triple {9387#true} havoc ~__tmp_1~0; {9387#true} is VALID [2020-07-18 00:48:56,911 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 [2020-07-18 00:48:56,911 INFO L280 TraceCheckUtils]: 26: Hoare triple {9387#true} havoc ~__VERIFIER_assert__cond~0; {9387#true} is VALID [2020-07-18 00:48:56,911 INFO L280 TraceCheckUtils]: 27: Hoare triple {9387#true} ~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {9387#true} is VALID [2020-07-18 00:48:56,911 INFO L280 TraceCheckUtils]: 28: Hoare triple {9387#true} assume !(0 == ~__VERIFIER_assert__cond~0); {9387#true} is VALID [2020-07-18 00:48:56,911 INFO L280 TraceCheckUtils]: 29: Hoare triple {9387#true} havoc ~__tmp_2~0; {9387#true} is VALID [2020-07-18 00:48:56,912 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 [2020-07-18 00:48:56,913 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 [2020-07-18 00:48:56,914 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 [2020-07-18 00:48:56,914 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 [2020-07-18 00:48:56,915 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 [2020-07-18 00:48:56,915 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 [2020-07-18 00:48:56,916 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 [2020-07-18 00:48:56,916 INFO L280 TraceCheckUtils]: 37: Hoare triple {9395#(<= 0 main_~main__i~0)} havoc #t~nondet2; {9395#(<= 0 main_~main__i~0)} is VALID [2020-07-18 00:48:56,916 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 [2020-07-18 00:48:56,917 INFO L280 TraceCheckUtils]: 39: Hoare triple {9395#(<= 0 main_~main__i~0)} havoc ~__tmp_7~0; {9395#(<= 0 main_~main__i~0)} is VALID [2020-07-18 00:48:56,921 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 [2020-07-18 00:48:56,924 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 [2020-07-18 00:48:56,924 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 [2020-07-18 00:48:56,925 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 [2020-07-18 00:48:56,925 INFO L280 TraceCheckUtils]: 44: Hoare triple {9395#(<= 0 main_~main__i~0)} havoc ~__tmp_8~0; {9395#(<= 0 main_~main__i~0)} is VALID [2020-07-18 00:48:56,926 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 [2020-07-18 00:48:56,926 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 [2020-07-18 00:48:56,927 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 [2020-07-18 00:48:56,927 INFO L280 TraceCheckUtils]: 48: Hoare triple {9397#(not (= 0 main_~__VERIFIER_assert__cond~7))} assume 0 == ~__VERIFIER_assert__cond~7; {9388#false} is VALID [2020-07-18 00:48:56,928 INFO L280 TraceCheckUtils]: 49: Hoare triple {9388#false} assume !false; {9388#false} is VALID [2020-07-18 00:48:56,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 00:48:56,934 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:48:56,934 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [618200482] [2020-07-18 00:48:56,934 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 00:48:56,934 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-18 00:48:56,935 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111145453] [2020-07-18 00:48:56,935 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 50 [2020-07-18 00:48:56,935 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 00:48:56,936 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-18 00:48:56,983 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:48:56,984 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-18 00:48:56,984 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 00:48:56,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-18 00:48:56,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-07-18 00:48:56,985 INFO L87 Difference]: Start difference. First operand 142 states and 146 transitions. Second operand 8 states. [2020-07-18 00:49:00,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:49:00,860 INFO L93 Difference]: Finished difference Result 233 states and 244 transitions. [2020-07-18 00:49:00,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-18 00:49:00,860 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 50 [2020-07-18 00:49:00,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 00:49:00,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-18 00:49:00,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 241 transitions. [2020-07-18 00:49:00,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-18 00:49:00,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 241 transitions. [2020-07-18 00:49:00,867 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states and 241 transitions. [2020-07-18 00:49:01,240 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 241 edges. 241 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:49:01,245 INFO L225 Difference]: With dead ends: 233 [2020-07-18 00:49:01,245 INFO L226 Difference]: Without dead ends: 231 [2020-07-18 00:49:01,245 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2020-07-18 00:49:01,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2020-07-18 00:49:02,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 140. [2020-07-18 00:49:02,498 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 00:49:02,498 INFO L82 GeneralOperation]: Start isEquivalent. First operand 231 states. Second operand 140 states. [2020-07-18 00:49:02,498 INFO L74 IsIncluded]: Start isIncluded. First operand 231 states. Second operand 140 states. [2020-07-18 00:49:02,498 INFO L87 Difference]: Start difference. First operand 231 states. Second operand 140 states. [2020-07-18 00:49:02,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:49:02,504 INFO L93 Difference]: Finished difference Result 231 states and 242 transitions. [2020-07-18 00:49:02,504 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 242 transitions. [2020-07-18 00:49:02,505 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:49:02,505 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:49:02,505 INFO L74 IsIncluded]: Start isIncluded. First operand 140 states. Second operand 231 states. [2020-07-18 00:49:02,506 INFO L87 Difference]: Start difference. First operand 140 states. Second operand 231 states. [2020-07-18 00:49:02,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:49:02,511 INFO L93 Difference]: Finished difference Result 231 states and 242 transitions. [2020-07-18 00:49:02,511 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 242 transitions. [2020-07-18 00:49:02,511 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:49:02,512 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:49:02,512 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 00:49:02,512 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 00:49:02,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-07-18 00:49:02,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 144 transitions. [2020-07-18 00:49:02,515 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 144 transitions. Word has length 50 [2020-07-18 00:49:02,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 00:49:02,515 INFO L479 AbstractCegarLoop]: Abstraction has 140 states and 144 transitions. [2020-07-18 00:49:02,515 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-18 00:49:02,515 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 140 states and 144 transitions. [2020-07-18 00:49:03,009 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 144 edges. 144 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:49:03,009 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 144 transitions. [2020-07-18 00:49:03,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-07-18 00:49:03,012 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:49:03,013 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] [2020-07-18 00:49:03,013 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-18 00:49:03,013 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]=== [2020-07-18 00:49:03,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:49:03,013 INFO L82 PathProgramCache]: Analyzing trace with hash -828388948, now seen corresponding path program 1 times [2020-07-18 00:49:03,014 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:49:03,014 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1457004849] [2020-07-18 00:49:03,014 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:49:03,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:49:03,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:49:03,170 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 [2020-07-18 00:49:03,170 INFO L280 TraceCheckUtils]: 1: Hoare triple {10630#true} ~__return_334~0 := 0; {10630#true} is VALID [2020-07-18 00:49:03,170 INFO L280 TraceCheckUtils]: 2: Hoare triple {10630#true} assume true; {10630#true} is VALID [2020-07-18 00:49:03,171 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {10630#true} {10630#true} #261#return; {10630#true} is VALID [2020-07-18 00:49:03,172 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 [2020-07-18 00:49:03,172 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 [2020-07-18 00:49:03,172 INFO L280 TraceCheckUtils]: 2: Hoare triple {10630#true} ~__return_334~0 := 0; {10630#true} is VALID [2020-07-18 00:49:03,172 INFO L280 TraceCheckUtils]: 3: Hoare triple {10630#true} assume true; {10630#true} is VALID [2020-07-18 00:49:03,172 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {10630#true} {10630#true} #261#return; {10630#true} is VALID [2020-07-18 00:49:03,173 INFO L263 TraceCheckUtils]: 5: Hoare triple {10630#true} call #t~ret3 := main(); {10630#true} is VALID [2020-07-18 00:49:03,173 INFO L280 TraceCheckUtils]: 6: Hoare triple {10630#true} havoc ~main__len~0; {10630#true} is VALID [2020-07-18 00:49:03,173 INFO L280 TraceCheckUtils]: 7: Hoare triple {10630#true} havoc ~main__i~0; {10630#true} is VALID [2020-07-18 00:49:03,173 INFO L280 TraceCheckUtils]: 8: Hoare triple {10630#true} havoc ~main__j~0; {10630#true} is VALID [2020-07-18 00:49:03,174 INFO L280 TraceCheckUtils]: 9: Hoare triple {10630#true} havoc ~main__bufsize~0; {10630#true} is VALID [2020-07-18 00:49:03,174 INFO L280 TraceCheckUtils]: 10: Hoare triple {10630#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {10630#true} is VALID [2020-07-18 00:49:03,174 INFO L280 TraceCheckUtils]: 11: Hoare triple {10630#true} ~main__bufsize~0 := #t~nondet0; {10630#true} is VALID [2020-07-18 00:49:03,174 INFO L280 TraceCheckUtils]: 12: Hoare triple {10630#true} havoc #t~nondet0; {10630#true} is VALID [2020-07-18 00:49:03,174 INFO L280 TraceCheckUtils]: 13: Hoare triple {10630#true} assume !(~main__bufsize~0 < 0); {10630#true} is VALID [2020-07-18 00:49:03,175 INFO L280 TraceCheckUtils]: 14: Hoare triple {10630#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {10630#true} is VALID [2020-07-18 00:49:03,175 INFO L280 TraceCheckUtils]: 15: Hoare triple {10630#true} ~main__len~0 := #t~nondet1; {10630#true} is VALID [2020-07-18 00:49:03,175 INFO L280 TraceCheckUtils]: 16: Hoare triple {10630#true} havoc #t~nondet1; {10630#true} is VALID [2020-07-18 00:49:03,176 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 [2020-07-18 00:49:03,176 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 [2020-07-18 00:49:03,177 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 [2020-07-18 00:49:03,177 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 [2020-07-18 00:49:03,178 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 [2020-07-18 00:49:03,179 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 [2020-07-18 00:49:03,180 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 [2020-07-18 00:49:03,180 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 [2020-07-18 00:49:03,181 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 [2020-07-18 00:49:03,181 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 [2020-07-18 00:49:03,182 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 [2020-07-18 00:49:03,182 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 [2020-07-18 00:49:03,183 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 [2020-07-18 00:49:03,183 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 [2020-07-18 00:49:03,184 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 [2020-07-18 00:49:03,185 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 [2020-07-18 00:49:03,185 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 [2020-07-18 00:49:03,186 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 [2020-07-18 00:49:03,186 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 [2020-07-18 00:49:03,187 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 [2020-07-18 00:49:03,187 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 [2020-07-18 00:49:03,188 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 [2020-07-18 00:49:03,189 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 [2020-07-18 00:49:03,189 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 [2020-07-18 00:49:03,190 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 [2020-07-18 00:49:03,190 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 [2020-07-18 00:49:03,191 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 [2020-07-18 00:49:03,192 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 [2020-07-18 00:49:03,192 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 [2020-07-18 00:49:03,193 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 [2020-07-18 00:49:03,194 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 [2020-07-18 00:49:03,194 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 [2020-07-18 00:49:03,195 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 [2020-07-18 00:49:03,196 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 [2020-07-18 00:49:03,196 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 [2020-07-18 00:49:03,197 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 [2020-07-18 00:49:03,198 INFO L280 TraceCheckUtils]: 53: Hoare triple {10639#(not (= 0 main_~__VERIFIER_assert__cond~8))} assume 0 == ~__VERIFIER_assert__cond~8; {10631#false} is VALID [2020-07-18 00:49:03,198 INFO L280 TraceCheckUtils]: 54: Hoare triple {10631#false} assume !false; {10631#false} is VALID [2020-07-18 00:49:03,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 00:49:03,202 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:49:03,202 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1457004849] [2020-07-18 00:49:03,202 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 00:49:03,203 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-18 00:49:03,203 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287290847] [2020-07-18 00:49:03,203 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2020-07-18 00:49:03,204 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 00:49:03,204 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-18 00:49:03,259 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 55 edges. 55 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:49:03,260 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-18 00:49:03,260 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 00:49:03,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-18 00:49:03,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-07-18 00:49:03,261 INFO L87 Difference]: Start difference. First operand 140 states and 144 transitions. Second operand 7 states. [2020-07-18 00:49:06,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:49:06,156 INFO L93 Difference]: Finished difference Result 198 states and 206 transitions. [2020-07-18 00:49:06,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-18 00:49:06,157 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2020-07-18 00:49:06,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 00:49:06,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-18 00:49:06,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 204 transitions. [2020-07-18 00:49:06,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-18 00:49:06,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 204 transitions. [2020-07-18 00:49:06,161 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 204 transitions. [2020-07-18 00:49:06,446 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 204 edges. 204 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:49:06,450 INFO L225 Difference]: With dead ends: 198 [2020-07-18 00:49:06,450 INFO L226 Difference]: Without dead ends: 196 [2020-07-18 00:49:06,451 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2020-07-18 00:49:06,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2020-07-18 00:49:07,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 138. [2020-07-18 00:49:07,757 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 00:49:07,757 INFO L82 GeneralOperation]: Start isEquivalent. First operand 196 states. Second operand 138 states. [2020-07-18 00:49:07,757 INFO L74 IsIncluded]: Start isIncluded. First operand 196 states. Second operand 138 states. [2020-07-18 00:49:07,757 INFO L87 Difference]: Start difference. First operand 196 states. Second operand 138 states. [2020-07-18 00:49:07,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:49:07,761 INFO L93 Difference]: Finished difference Result 196 states and 204 transitions. [2020-07-18 00:49:07,762 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 204 transitions. [2020-07-18 00:49:07,762 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:49:07,762 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:49:07,762 INFO L74 IsIncluded]: Start isIncluded. First operand 138 states. Second operand 196 states. [2020-07-18 00:49:07,763 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 196 states. [2020-07-18 00:49:07,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:49:07,767 INFO L93 Difference]: Finished difference Result 196 states and 204 transitions. [2020-07-18 00:49:07,767 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 204 transitions. [2020-07-18 00:49:07,768 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:49:07,768 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:49:07,768 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 00:49:07,768 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 00:49:07,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-07-18 00:49:07,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 142 transitions. [2020-07-18 00:49:07,771 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 142 transitions. Word has length 55 [2020-07-18 00:49:07,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 00:49:07,771 INFO L479 AbstractCegarLoop]: Abstraction has 138 states and 142 transitions. [2020-07-18 00:49:07,772 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-18 00:49:07,772 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 138 states and 142 transitions. [2020-07-18 00:49:08,288 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 142 edges. 142 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:49:08,288 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 142 transitions. [2020-07-18 00:49:08,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-18 00:49:08,289 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:49:08,289 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] [2020-07-18 00:49:08,290 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-18 00:49:08,290 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]=== [2020-07-18 00:49:08,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:49:08,291 INFO L82 PathProgramCache]: Analyzing trace with hash -2080692744, now seen corresponding path program 1 times [2020-07-18 00:49:08,291 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:49:08,291 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [41305892] [2020-07-18 00:49:08,291 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:49:08,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:49:08,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:49:08,421 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 [2020-07-18 00:49:08,421 INFO L280 TraceCheckUtils]: 1: Hoare triple {11719#true} ~__return_334~0 := 0; {11719#true} is VALID [2020-07-18 00:49:08,421 INFO L280 TraceCheckUtils]: 2: Hoare triple {11719#true} assume true; {11719#true} is VALID [2020-07-18 00:49:08,422 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {11719#true} {11719#true} #261#return; {11719#true} is VALID [2020-07-18 00:49:08,422 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 [2020-07-18 00:49:08,422 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 [2020-07-18 00:49:08,423 INFO L280 TraceCheckUtils]: 2: Hoare triple {11719#true} ~__return_334~0 := 0; {11719#true} is VALID [2020-07-18 00:49:08,423 INFO L280 TraceCheckUtils]: 3: Hoare triple {11719#true} assume true; {11719#true} is VALID [2020-07-18 00:49:08,423 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {11719#true} {11719#true} #261#return; {11719#true} is VALID [2020-07-18 00:49:08,423 INFO L263 TraceCheckUtils]: 5: Hoare triple {11719#true} call #t~ret3 := main(); {11719#true} is VALID [2020-07-18 00:49:08,423 INFO L280 TraceCheckUtils]: 6: Hoare triple {11719#true} havoc ~main__len~0; {11719#true} is VALID [2020-07-18 00:49:08,423 INFO L280 TraceCheckUtils]: 7: Hoare triple {11719#true} havoc ~main__i~0; {11719#true} is VALID [2020-07-18 00:49:08,423 INFO L280 TraceCheckUtils]: 8: Hoare triple {11719#true} havoc ~main__j~0; {11719#true} is VALID [2020-07-18 00:49:08,424 INFO L280 TraceCheckUtils]: 9: Hoare triple {11719#true} havoc ~main__bufsize~0; {11719#true} is VALID [2020-07-18 00:49:08,424 INFO L280 TraceCheckUtils]: 10: Hoare triple {11719#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {11719#true} is VALID [2020-07-18 00:49:08,424 INFO L280 TraceCheckUtils]: 11: Hoare triple {11719#true} ~main__bufsize~0 := #t~nondet0; {11719#true} is VALID [2020-07-18 00:49:08,424 INFO L280 TraceCheckUtils]: 12: Hoare triple {11719#true} havoc #t~nondet0; {11719#true} is VALID [2020-07-18 00:49:08,424 INFO L280 TraceCheckUtils]: 13: Hoare triple {11719#true} assume !(~main__bufsize~0 < 0); {11719#true} is VALID [2020-07-18 00:49:08,425 INFO L280 TraceCheckUtils]: 14: Hoare triple {11719#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {11719#true} is VALID [2020-07-18 00:49:08,425 INFO L280 TraceCheckUtils]: 15: Hoare triple {11719#true} ~main__len~0 := #t~nondet1; {11719#true} is VALID [2020-07-18 00:49:08,425 INFO L280 TraceCheckUtils]: 16: Hoare triple {11719#true} havoc #t~nondet1; {11719#true} is VALID [2020-07-18 00:49:08,425 INFO L280 TraceCheckUtils]: 17: Hoare triple {11719#true} ~main__limit~0 := ~main__bufsize~0 - 4; {11719#true} is VALID [2020-07-18 00:49:08,425 INFO L280 TraceCheckUtils]: 18: Hoare triple {11719#true} ~main__i~0 := 0; {11719#true} is VALID [2020-07-18 00:49:08,426 INFO L280 TraceCheckUtils]: 19: Hoare triple {11719#true} assume ~main__i~0 < ~main__len~0; {11719#true} is VALID [2020-07-18 00:49:08,427 INFO L280 TraceCheckUtils]: 20: Hoare triple {11719#true} ~main__j~0 := 0; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-18 00:49:08,427 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 [2020-07-18 00:49:08,428 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 [2020-07-18 00:49:08,428 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 [2020-07-18 00:49:08,429 INFO L280 TraceCheckUtils]: 24: Hoare triple {11725#(<= 0 main_~main__j~0)} havoc ~__tmp_1~0; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-18 00:49:08,429 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 [2020-07-18 00:49:08,429 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 [2020-07-18 00:49:08,430 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 [2020-07-18 00:49:08,430 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 [2020-07-18 00:49:08,431 INFO L280 TraceCheckUtils]: 29: Hoare triple {11725#(<= 0 main_~main__j~0)} havoc ~__tmp_2~0; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-18 00:49:08,431 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 [2020-07-18 00:49:08,431 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 [2020-07-18 00:49:08,432 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 [2020-07-18 00:49:08,433 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 [2020-07-18 00:49:08,433 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 [2020-07-18 00:49:08,434 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 [2020-07-18 00:49:08,434 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 [2020-07-18 00:49:08,434 INFO L280 TraceCheckUtils]: 37: Hoare triple {11725#(<= 0 main_~main__j~0)} havoc #t~nondet2; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-18 00:49:08,435 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 [2020-07-18 00:49:08,436 INFO L280 TraceCheckUtils]: 39: Hoare triple {11725#(<= 0 main_~main__j~0)} havoc ~__tmp_7~0; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-18 00:49:08,436 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 [2020-07-18 00:49:08,437 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 [2020-07-18 00:49:08,437 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 [2020-07-18 00:49:08,438 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 [2020-07-18 00:49:08,438 INFO L280 TraceCheckUtils]: 44: Hoare triple {11725#(<= 0 main_~main__j~0)} havoc ~__tmp_8~0; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-18 00:49:08,439 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 [2020-07-18 00:49:08,439 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 [2020-07-18 00:49:08,440 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 [2020-07-18 00:49:08,440 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 [2020-07-18 00:49:08,441 INFO L280 TraceCheckUtils]: 49: Hoare triple {11725#(<= 0 main_~main__j~0)} havoc ~__tmp_9~0; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-18 00:49:08,441 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 [2020-07-18 00:49:08,441 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 [2020-07-18 00:49:08,442 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 [2020-07-18 00:49:08,442 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 [2020-07-18 00:49:08,443 INFO L280 TraceCheckUtils]: 54: Hoare triple {11725#(<= 0 main_~main__j~0)} havoc ~__tmp_10~0; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-18 00:49:08,443 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 [2020-07-18 00:49:08,443 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 [2020-07-18 00:49:08,444 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 [2020-07-18 00:49:08,444 INFO L280 TraceCheckUtils]: 58: Hoare triple {11727#(not (= 0 main_~__VERIFIER_assert__cond~9))} assume 0 == ~__VERIFIER_assert__cond~9; {11720#false} is VALID [2020-07-18 00:49:08,444 INFO L280 TraceCheckUtils]: 59: Hoare triple {11720#false} assume !false; {11720#false} is VALID [2020-07-18 00:49:08,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 00:49:08,448 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:49:08,448 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [41305892] [2020-07-18 00:49:08,448 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 00:49:08,448 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-18 00:49:08,448 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027938764] [2020-07-18 00:49:08,448 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2020-07-18 00:49:08,449 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 00:49:08,449 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-18 00:49:08,510 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 60 edges. 60 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:49:08,510 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-18 00:49:08,511 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 00:49:08,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-18 00:49:08,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-18 00:49:08,512 INFO L87 Difference]: Start difference. First operand 138 states and 142 transitions. Second operand 6 states. [2020-07-18 00:49:11,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:49:11,354 INFO L93 Difference]: Finished difference Result 203 states and 211 transitions. [2020-07-18 00:49:11,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-18 00:49:11,355 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2020-07-18 00:49:11,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 00:49:11,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-18 00:49:11,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 209 transitions. [2020-07-18 00:49:11,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-18 00:49:11,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 209 transitions. [2020-07-18 00:49:11,359 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 209 transitions. [2020-07-18 00:49:11,616 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 209 edges. 209 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:49:11,620 INFO L225 Difference]: With dead ends: 203 [2020-07-18 00:49:11,620 INFO L226 Difference]: Without dead ends: 201 [2020-07-18 00:49:11,622 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-07-18 00:49:11,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2020-07-18 00:49:12,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 136. [2020-07-18 00:49:12,997 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 00:49:12,998 INFO L82 GeneralOperation]: Start isEquivalent. First operand 201 states. Second operand 136 states. [2020-07-18 00:49:12,998 INFO L74 IsIncluded]: Start isIncluded. First operand 201 states. Second operand 136 states. [2020-07-18 00:49:12,998 INFO L87 Difference]: Start difference. First operand 201 states. Second operand 136 states. [2020-07-18 00:49:13,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:49:13,004 INFO L93 Difference]: Finished difference Result 201 states and 209 transitions. [2020-07-18 00:49:13,004 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 209 transitions. [2020-07-18 00:49:13,005 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:49:13,005 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:49:13,005 INFO L74 IsIncluded]: Start isIncluded. First operand 136 states. Second operand 201 states. [2020-07-18 00:49:13,005 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 201 states. [2020-07-18 00:49:13,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:49:13,009 INFO L93 Difference]: Finished difference Result 201 states and 209 transitions. [2020-07-18 00:49:13,009 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 209 transitions. [2020-07-18 00:49:13,010 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:49:13,010 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:49:13,010 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 00:49:13,010 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 00:49:13,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-07-18 00:49:13,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 140 transitions. [2020-07-18 00:49:13,013 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 140 transitions. Word has length 60 [2020-07-18 00:49:13,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 00:49:13,013 INFO L479 AbstractCegarLoop]: Abstraction has 136 states and 140 transitions. [2020-07-18 00:49:13,013 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-18 00:49:13,013 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 136 states and 140 transitions. [2020-07-18 00:49:13,516 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 140 edges. 140 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:49:13,517 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 140 transitions. [2020-07-18 00:49:13,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-07-18 00:49:13,518 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:49:13,518 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] [2020-07-18 00:49:13,519 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-18 00:49:13,520 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]=== [2020-07-18 00:49:13,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:49:13,520 INFO L82 PathProgramCache]: Analyzing trace with hash 1555133305, now seen corresponding path program 1 times [2020-07-18 00:49:13,520 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:49:13,520 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [293019868] [2020-07-18 00:49:13,521 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:49:13,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:49:13,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:49:13,634 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 [2020-07-18 00:49:13,635 INFO L280 TraceCheckUtils]: 1: Hoare triple {12821#true} ~__return_334~0 := 0; {12821#true} is VALID [2020-07-18 00:49:13,635 INFO L280 TraceCheckUtils]: 2: Hoare triple {12821#true} assume true; {12821#true} is VALID [2020-07-18 00:49:13,635 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {12821#true} {12821#true} #261#return; {12821#true} is VALID [2020-07-18 00:49:13,637 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 [2020-07-18 00:49:13,637 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 [2020-07-18 00:49:13,637 INFO L280 TraceCheckUtils]: 2: Hoare triple {12821#true} ~__return_334~0 := 0; {12821#true} is VALID [2020-07-18 00:49:13,638 INFO L280 TraceCheckUtils]: 3: Hoare triple {12821#true} assume true; {12821#true} is VALID [2020-07-18 00:49:13,638 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {12821#true} {12821#true} #261#return; {12821#true} is VALID [2020-07-18 00:49:13,638 INFO L263 TraceCheckUtils]: 5: Hoare triple {12821#true} call #t~ret3 := main(); {12821#true} is VALID [2020-07-18 00:49:13,638 INFO L280 TraceCheckUtils]: 6: Hoare triple {12821#true} havoc ~main__len~0; {12821#true} is VALID [2020-07-18 00:49:13,638 INFO L280 TraceCheckUtils]: 7: Hoare triple {12821#true} havoc ~main__i~0; {12821#true} is VALID [2020-07-18 00:49:13,638 INFO L280 TraceCheckUtils]: 8: Hoare triple {12821#true} havoc ~main__j~0; {12821#true} is VALID [2020-07-18 00:49:13,639 INFO L280 TraceCheckUtils]: 9: Hoare triple {12821#true} havoc ~main__bufsize~0; {12821#true} is VALID [2020-07-18 00:49:13,639 INFO L280 TraceCheckUtils]: 10: Hoare triple {12821#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {12821#true} is VALID [2020-07-18 00:49:13,639 INFO L280 TraceCheckUtils]: 11: Hoare triple {12821#true} ~main__bufsize~0 := #t~nondet0; {12821#true} is VALID [2020-07-18 00:49:13,639 INFO L280 TraceCheckUtils]: 12: Hoare triple {12821#true} havoc #t~nondet0; {12821#true} is VALID [2020-07-18 00:49:13,639 INFO L280 TraceCheckUtils]: 13: Hoare triple {12821#true} assume !(~main__bufsize~0 < 0); {12821#true} is VALID [2020-07-18 00:49:13,639 INFO L280 TraceCheckUtils]: 14: Hoare triple {12821#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {12821#true} is VALID [2020-07-18 00:49:13,639 INFO L280 TraceCheckUtils]: 15: Hoare triple {12821#true} ~main__len~0 := #t~nondet1; {12821#true} is VALID [2020-07-18 00:49:13,640 INFO L280 TraceCheckUtils]: 16: Hoare triple {12821#true} havoc #t~nondet1; {12821#true} is VALID [2020-07-18 00:49:13,640 INFO L280 TraceCheckUtils]: 17: Hoare triple {12821#true} ~main__limit~0 := ~main__bufsize~0 - 4; {12821#true} is VALID [2020-07-18 00:49:13,640 INFO L280 TraceCheckUtils]: 18: Hoare triple {12821#true} ~main__i~0 := 0; {12821#true} is VALID [2020-07-18 00:49:13,640 INFO L280 TraceCheckUtils]: 19: Hoare triple {12821#true} assume ~main__i~0 < ~main__len~0; {12821#true} is VALID [2020-07-18 00:49:13,640 INFO L280 TraceCheckUtils]: 20: Hoare triple {12821#true} ~main__j~0 := 0; {12821#true} is VALID [2020-07-18 00:49:13,640 INFO L280 TraceCheckUtils]: 21: Hoare triple {12821#true} assume ~main__i~0 < ~main__len~0; {12821#true} is VALID [2020-07-18 00:49:13,640 INFO L280 TraceCheckUtils]: 22: Hoare triple {12821#true} assume ~main__j~0 < ~main__limit~0; {12821#true} is VALID [2020-07-18 00:49:13,641 INFO L280 TraceCheckUtils]: 23: Hoare triple {12821#true} assume 1 + ~main__i~0 < ~main__len~0; {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-18 00:49:13,641 INFO L280 TraceCheckUtils]: 24: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} havoc ~__tmp_1~0; {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-18 00:49:13,642 INFO L280 TraceCheckUtils]: 25: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} ~__tmp_1~0 := (if 1 + ~main__i~0 < ~main__len~0 then 1 else 0); {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-18 00:49:13,646 INFO L280 TraceCheckUtils]: 26: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} havoc ~__VERIFIER_assert__cond~0; {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-18 00:49:13,647 INFO L280 TraceCheckUtils]: 27: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} ~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-18 00:49:13,647 INFO L280 TraceCheckUtils]: 28: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} assume !(0 == ~__VERIFIER_assert__cond~0); {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-18 00:49:13,647 INFO L280 TraceCheckUtils]: 29: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} havoc ~__tmp_2~0; {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-18 00:49:13,648 INFO L280 TraceCheckUtils]: 30: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} ~__tmp_2~0 := (if 0 <= ~main__i~0 then 1 else 0); {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-18 00:49:13,648 INFO L280 TraceCheckUtils]: 31: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} havoc ~__VERIFIER_assert__cond~1; {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-18 00:49:13,649 INFO L280 TraceCheckUtils]: 32: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} ~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-18 00:49:13,649 INFO L280 TraceCheckUtils]: 33: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} assume !(0 == ~__VERIFIER_assert__cond~1); {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-18 00:49:13,650 INFO L280 TraceCheckUtils]: 34: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} havoc ~main____CPAchecker_TMP_0~0; {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-18 00:49:13,650 INFO L280 TraceCheckUtils]: 35: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-18 00:49:13,651 INFO L280 TraceCheckUtils]: 36: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} ~main____CPAchecker_TMP_0~0 := #t~nondet2; {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-18 00:49:13,651 INFO L280 TraceCheckUtils]: 37: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} havoc #t~nondet2; {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-18 00:49:13,652 INFO L280 TraceCheckUtils]: 38: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} assume !!(0 == ~main____CPAchecker_TMP_0~0); {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-18 00:49:13,652 INFO L280 TraceCheckUtils]: 39: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} havoc ~__tmp_7~0; {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-18 00:49:13,652 INFO L280 TraceCheckUtils]: 40: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} ~__tmp_7~0 := (if ~main__i~0 < ~main__len~0 then 1 else 0); {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-18 00:49:13,653 INFO L280 TraceCheckUtils]: 41: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} havoc ~__VERIFIER_assert__cond~6; {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-18 00:49:13,653 INFO L280 TraceCheckUtils]: 42: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} ~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-18 00:49:13,660 INFO L280 TraceCheckUtils]: 43: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} assume !(0 == ~__VERIFIER_assert__cond~6); {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-18 00:49:13,663 INFO L280 TraceCheckUtils]: 44: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} havoc ~__tmp_8~0; {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-18 00:49:13,666 INFO L280 TraceCheckUtils]: 45: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} ~__tmp_8~0 := (if 0 <= ~main__i~0 then 1 else 0); {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-18 00:49:13,669 INFO L280 TraceCheckUtils]: 46: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} havoc ~__VERIFIER_assert__cond~7; {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-18 00:49:13,672 INFO L280 TraceCheckUtils]: 47: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} ~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-18 00:49:13,673 INFO L280 TraceCheckUtils]: 48: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} assume !(0 == ~__VERIFIER_assert__cond~7); {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-18 00:49:13,673 INFO L280 TraceCheckUtils]: 49: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} havoc ~__tmp_9~0; {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-18 00:49:13,673 INFO L280 TraceCheckUtils]: 50: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} ~__tmp_9~0 := (if ~main__j~0 < ~main__bufsize~0 then 1 else 0); {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-18 00:49:13,674 INFO L280 TraceCheckUtils]: 51: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} havoc ~__VERIFIER_assert__cond~8; {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-18 00:49:13,674 INFO L280 TraceCheckUtils]: 52: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} ~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-18 00:49:13,675 INFO L280 TraceCheckUtils]: 53: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} assume !(0 == ~__VERIFIER_assert__cond~8); {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-18 00:49:13,675 INFO L280 TraceCheckUtils]: 54: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} havoc ~__tmp_10~0; {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-18 00:49:13,675 INFO L280 TraceCheckUtils]: 55: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} ~__tmp_10~0 := (if 0 <= ~main__j~0 then 1 else 0); {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-18 00:49:13,676 INFO L280 TraceCheckUtils]: 56: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} havoc ~__VERIFIER_assert__cond~9; {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-18 00:49:13,676 INFO L280 TraceCheckUtils]: 57: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} ~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-18 00:49:13,677 INFO L280 TraceCheckUtils]: 58: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} assume !(0 == ~__VERIFIER_assert__cond~9); {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-18 00:49:13,677 INFO L280 TraceCheckUtils]: 59: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} ~main____CPAchecker_TMP_1~0 := ~main__j~0; {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-18 00:49:13,677 INFO L280 TraceCheckUtils]: 60: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} ~main__j~0 := 1 + ~main__j~0; {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-18 00:49:13,678 INFO L280 TraceCheckUtils]: 61: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} ~main____CPAchecker_TMP_2~0 := ~main__i~0; {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-18 00:49:13,678 INFO L280 TraceCheckUtils]: 62: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} ~main__i~0 := 1 + ~main__i~0; {12828#(<= (+ main_~main__i~0 1) main_~main__len~0)} is VALID [2020-07-18 00:49:13,679 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 [2020-07-18 00:49:13,680 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 [2020-07-18 00:49:13,680 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 [2020-07-18 00:49:13,680 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 [2020-07-18 00:49:13,681 INFO L280 TraceCheckUtils]: 67: Hoare triple {12830#(not (= main_~__VERIFIER_assert__cond~10 0))} assume 0 == ~__VERIFIER_assert__cond~10; {12822#false} is VALID [2020-07-18 00:49:13,681 INFO L280 TraceCheckUtils]: 68: Hoare triple {12822#false} assume !false; {12822#false} is VALID [2020-07-18 00:49:13,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 00:49:13,686 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:49:13,687 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [293019868] [2020-07-18 00:49:13,687 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 00:49:13,687 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-18 00:49:13,687 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860489172] [2020-07-18 00:49:13,688 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 69 [2020-07-18 00:49:13,688 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 00:49:13,688 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-18 00:49:13,763 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 69 edges. 69 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:49:13,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-18 00:49:13,763 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 00:49:13,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-18 00:49:13,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-18 00:49:13,764 INFO L87 Difference]: Start difference. First operand 136 states and 140 transitions. Second operand 7 states. [2020-07-18 00:49:18,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:49:18,175 INFO L93 Difference]: Finished difference Result 375 states and 390 transitions. [2020-07-18 00:49:18,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-18 00:49:18,175 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 69 [2020-07-18 00:49:18,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 00:49:18,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-18 00:49:18,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 387 transitions. [2020-07-18 00:49:18,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-18 00:49:18,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 387 transitions. [2020-07-18 00:49:18,182 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 387 transitions. [2020-07-18 00:49:18,675 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 387 edges. 387 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:49:18,681 INFO L225 Difference]: With dead ends: 375 [2020-07-18 00:49:18,682 INFO L226 Difference]: Without dead ends: 258 [2020-07-18 00:49:18,683 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2020-07-18 00:49:18,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2020-07-18 00:49:20,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 158. [2020-07-18 00:49:20,421 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 00:49:20,421 INFO L82 GeneralOperation]: Start isEquivalent. First operand 258 states. Second operand 158 states. [2020-07-18 00:49:20,421 INFO L74 IsIncluded]: Start isIncluded. First operand 258 states. Second operand 158 states. [2020-07-18 00:49:20,421 INFO L87 Difference]: Start difference. First operand 258 states. Second operand 158 states. [2020-07-18 00:49:20,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:49:20,428 INFO L93 Difference]: Finished difference Result 258 states and 266 transitions. [2020-07-18 00:49:20,428 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 266 transitions. [2020-07-18 00:49:20,429 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:49:20,429 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:49:20,429 INFO L74 IsIncluded]: Start isIncluded. First operand 158 states. Second operand 258 states. [2020-07-18 00:49:20,429 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 258 states. [2020-07-18 00:49:20,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:49:20,435 INFO L93 Difference]: Finished difference Result 258 states and 266 transitions. [2020-07-18 00:49:20,435 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 266 transitions. [2020-07-18 00:49:20,435 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:49:20,435 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:49:20,435 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 00:49:20,436 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 00:49:20,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-07-18 00:49:20,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 162 transitions. [2020-07-18 00:49:20,438 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 162 transitions. Word has length 69 [2020-07-18 00:49:20,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 00:49:20,439 INFO L479 AbstractCegarLoop]: Abstraction has 158 states and 162 transitions. [2020-07-18 00:49:20,439 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-18 00:49:20,439 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 158 states and 162 transitions. [2020-07-18 00:49:21,127 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 162 edges. 162 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:49:21,128 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 162 transitions. [2020-07-18 00:49:21,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-07-18 00:49:21,129 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:49:21,129 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] [2020-07-18 00:49:21,130 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-18 00:49:21,130 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]=== [2020-07-18 00:49:21,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:49:21,131 INFO L82 PathProgramCache]: Analyzing trace with hash -623432219, now seen corresponding path program 1 times [2020-07-18 00:49:21,131 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:49:21,131 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2131776190] [2020-07-18 00:49:21,132 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:49:21,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:49:21,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:49:21,217 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 [2020-07-18 00:49:21,218 INFO L280 TraceCheckUtils]: 1: Hoare triple {14432#true} ~__return_334~0 := 0; {14432#true} is VALID [2020-07-18 00:49:21,218 INFO L280 TraceCheckUtils]: 2: Hoare triple {14432#true} assume true; {14432#true} is VALID [2020-07-18 00:49:21,218 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {14432#true} {14432#true} #261#return; {14432#true} is VALID [2020-07-18 00:49:21,219 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 [2020-07-18 00:49:21,219 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 [2020-07-18 00:49:21,220 INFO L280 TraceCheckUtils]: 2: Hoare triple {14432#true} ~__return_334~0 := 0; {14432#true} is VALID [2020-07-18 00:49:21,220 INFO L280 TraceCheckUtils]: 3: Hoare triple {14432#true} assume true; {14432#true} is VALID [2020-07-18 00:49:21,220 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {14432#true} {14432#true} #261#return; {14432#true} is VALID [2020-07-18 00:49:21,220 INFO L263 TraceCheckUtils]: 5: Hoare triple {14432#true} call #t~ret3 := main(); {14432#true} is VALID [2020-07-18 00:49:21,220 INFO L280 TraceCheckUtils]: 6: Hoare triple {14432#true} havoc ~main__len~0; {14432#true} is VALID [2020-07-18 00:49:21,221 INFO L280 TraceCheckUtils]: 7: Hoare triple {14432#true} havoc ~main__i~0; {14432#true} is VALID [2020-07-18 00:49:21,221 INFO L280 TraceCheckUtils]: 8: Hoare triple {14432#true} havoc ~main__j~0; {14432#true} is VALID [2020-07-18 00:49:21,221 INFO L280 TraceCheckUtils]: 9: Hoare triple {14432#true} havoc ~main__bufsize~0; {14432#true} is VALID [2020-07-18 00:49:21,221 INFO L280 TraceCheckUtils]: 10: Hoare triple {14432#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {14432#true} is VALID [2020-07-18 00:49:21,221 INFO L280 TraceCheckUtils]: 11: Hoare triple {14432#true} ~main__bufsize~0 := #t~nondet0; {14432#true} is VALID [2020-07-18 00:49:21,222 INFO L280 TraceCheckUtils]: 12: Hoare triple {14432#true} havoc #t~nondet0; {14432#true} is VALID [2020-07-18 00:49:21,222 INFO L280 TraceCheckUtils]: 13: Hoare triple {14432#true} assume !(~main__bufsize~0 < 0); {14432#true} is VALID [2020-07-18 00:49:21,222 INFO L280 TraceCheckUtils]: 14: Hoare triple {14432#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {14432#true} is VALID [2020-07-18 00:49:21,222 INFO L280 TraceCheckUtils]: 15: Hoare triple {14432#true} ~main__len~0 := #t~nondet1; {14432#true} is VALID [2020-07-18 00:49:21,222 INFO L280 TraceCheckUtils]: 16: Hoare triple {14432#true} havoc #t~nondet1; {14432#true} is VALID [2020-07-18 00:49:21,223 INFO L280 TraceCheckUtils]: 17: Hoare triple {14432#true} ~main__limit~0 := ~main__bufsize~0 - 4; {14432#true} is VALID [2020-07-18 00:49:21,223 INFO L280 TraceCheckUtils]: 18: Hoare triple {14432#true} ~main__i~0 := 0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-18 00:49:21,224 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 [2020-07-18 00:49:21,225 INFO L280 TraceCheckUtils]: 20: Hoare triple {14438#(<= 0 main_~main__i~0)} ~main__j~0 := 0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-18 00:49:21,225 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 [2020-07-18 00:49:21,226 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 [2020-07-18 00:49:21,227 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 [2020-07-18 00:49:21,227 INFO L280 TraceCheckUtils]: 24: Hoare triple {14438#(<= 0 main_~main__i~0)} havoc ~__tmp_1~0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-18 00:49:21,228 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 [2020-07-18 00:49:21,228 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 [2020-07-18 00:49:21,229 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 [2020-07-18 00:49:21,230 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 [2020-07-18 00:49:21,230 INFO L280 TraceCheckUtils]: 29: Hoare triple {14438#(<= 0 main_~main__i~0)} havoc ~__tmp_2~0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-18 00:49:21,231 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 [2020-07-18 00:49:21,231 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 [2020-07-18 00:49:21,232 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 [2020-07-18 00:49:21,232 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 [2020-07-18 00:49:21,233 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 [2020-07-18 00:49:21,233 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 [2020-07-18 00:49:21,234 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 [2020-07-18 00:49:21,234 INFO L280 TraceCheckUtils]: 37: Hoare triple {14438#(<= 0 main_~main__i~0)} havoc #t~nondet2; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-18 00:49:21,235 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 [2020-07-18 00:49:21,236 INFO L280 TraceCheckUtils]: 39: Hoare triple {14438#(<= 0 main_~main__i~0)} havoc ~__tmp_7~0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-18 00:49:21,236 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 [2020-07-18 00:49:21,237 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 [2020-07-18 00:49:21,237 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 [2020-07-18 00:49:21,238 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 [2020-07-18 00:49:21,239 INFO L280 TraceCheckUtils]: 44: Hoare triple {14438#(<= 0 main_~main__i~0)} havoc ~__tmp_8~0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-18 00:49:21,239 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 [2020-07-18 00:49:21,240 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 [2020-07-18 00:49:21,240 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 [2020-07-18 00:49:21,241 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 [2020-07-18 00:49:21,241 INFO L280 TraceCheckUtils]: 49: Hoare triple {14438#(<= 0 main_~main__i~0)} havoc ~__tmp_9~0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-18 00:49:21,242 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 [2020-07-18 00:49:21,243 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 [2020-07-18 00:49:21,243 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 [2020-07-18 00:49:21,244 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 [2020-07-18 00:49:21,244 INFO L280 TraceCheckUtils]: 54: Hoare triple {14438#(<= 0 main_~main__i~0)} havoc ~__tmp_10~0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-18 00:49:21,245 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 [2020-07-18 00:49:21,246 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 [2020-07-18 00:49:21,246 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 [2020-07-18 00:49:21,247 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 [2020-07-18 00:49:21,247 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 [2020-07-18 00:49:21,248 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 [2020-07-18 00:49:21,249 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 [2020-07-18 00:49:21,250 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 [2020-07-18 00:49:21,250 INFO L280 TraceCheckUtils]: 63: Hoare triple {14439#(<= 1 main_~main__i~0)} havoc ~__tmp_11~0; {14439#(<= 1 main_~main__i~0)} is VALID [2020-07-18 00:49:21,251 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 [2020-07-18 00:49:21,251 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 [2020-07-18 00:49:21,252 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 [2020-07-18 00:49:21,253 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 [2020-07-18 00:49:21,253 INFO L280 TraceCheckUtils]: 68: Hoare triple {14439#(<= 1 main_~main__i~0)} havoc ~__tmp_12~0; {14439#(<= 1 main_~main__i~0)} is VALID [2020-07-18 00:49:21,254 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 [2020-07-18 00:49:21,255 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 [2020-07-18 00:49:21,256 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 [2020-07-18 00:49:21,256 INFO L280 TraceCheckUtils]: 72: Hoare triple {14441#(not (= main_~__VERIFIER_assert__cond~11 0))} assume 0 == ~__VERIFIER_assert__cond~11; {14433#false} is VALID [2020-07-18 00:49:21,256 INFO L280 TraceCheckUtils]: 73: Hoare triple {14433#false} assume !false; {14433#false} is VALID [2020-07-18 00:49:21,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 00:49:21,264 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:49:21,264 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2131776190] [2020-07-18 00:49:21,264 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 00:49:21,264 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-18 00:49:21,264 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844798541] [2020-07-18 00:49:21,265 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 74 [2020-07-18 00:49:21,265 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 00:49:21,265 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-18 00:49:21,358 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 74 edges. 74 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:49:21,359 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-18 00:49:21,359 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 00:49:21,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-18 00:49:21,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-18 00:49:21,360 INFO L87 Difference]: Start difference. First operand 158 states and 162 transitions. Second operand 7 states. [2020-07-18 00:49:26,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:49:26,986 INFO L93 Difference]: Finished difference Result 351 states and 362 transitions. [2020-07-18 00:49:26,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-18 00:49:26,986 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 74 [2020-07-18 00:49:26,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 00:49:26,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-18 00:49:26,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 288 transitions. [2020-07-18 00:49:26,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-18 00:49:26,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 288 transitions. [2020-07-18 00:49:26,989 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 288 transitions. [2020-07-18 00:49:27,404 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 288 edges. 288 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:49:27,412 INFO L225 Difference]: With dead ends: 351 [2020-07-18 00:49:27,412 INFO L226 Difference]: Without dead ends: 349 [2020-07-18 00:49:27,412 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2020-07-18 00:49:27,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2020-07-18 00:49:29,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 156. [2020-07-18 00:49:29,271 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 00:49:29,271 INFO L82 GeneralOperation]: Start isEquivalent. First operand 349 states. Second operand 156 states. [2020-07-18 00:49:29,272 INFO L74 IsIncluded]: Start isIncluded. First operand 349 states. Second operand 156 states. [2020-07-18 00:49:29,272 INFO L87 Difference]: Start difference. First operand 349 states. Second operand 156 states. [2020-07-18 00:49:29,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:49:29,280 INFO L93 Difference]: Finished difference Result 349 states and 360 transitions. [2020-07-18 00:49:29,280 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 360 transitions. [2020-07-18 00:49:29,281 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:49:29,281 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:49:29,281 INFO L74 IsIncluded]: Start isIncluded. First operand 156 states. Second operand 349 states. [2020-07-18 00:49:29,281 INFO L87 Difference]: Start difference. First operand 156 states. Second operand 349 states. [2020-07-18 00:49:29,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:49:29,288 INFO L93 Difference]: Finished difference Result 349 states and 360 transitions. [2020-07-18 00:49:29,288 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 360 transitions. [2020-07-18 00:49:29,289 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:49:29,289 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:49:29,289 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 00:49:29,289 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 00:49:29,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2020-07-18 00:49:29,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 160 transitions. [2020-07-18 00:49:29,292 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 160 transitions. Word has length 74 [2020-07-18 00:49:29,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 00:49:29,292 INFO L479 AbstractCegarLoop]: Abstraction has 156 states and 160 transitions. [2020-07-18 00:49:29,292 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-18 00:49:29,292 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 156 states and 160 transitions. [2020-07-18 00:49:29,986 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 160 edges. 160 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:49:29,987 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 160 transitions. [2020-07-18 00:49:29,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-07-18 00:49:29,988 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:49:29,988 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] [2020-07-18 00:49:29,988 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-07-18 00:49:29,988 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]=== [2020-07-18 00:49:29,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:49:29,989 INFO L82 PathProgramCache]: Analyzing trace with hash -1977531324, now seen corresponding path program 1 times [2020-07-18 00:49:29,989 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:49:29,990 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [483336063] [2020-07-18 00:49:29,990 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:49:29,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:49:30,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:49:30,127 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 [2020-07-18 00:49:30,127 INFO L280 TraceCheckUtils]: 1: Hoare triple {16167#true} ~__return_334~0 := 0; {16167#true} is VALID [2020-07-18 00:49:30,128 INFO L280 TraceCheckUtils]: 2: Hoare triple {16167#true} assume true; {16167#true} is VALID [2020-07-18 00:49:30,128 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {16167#true} {16167#true} #261#return; {16167#true} is VALID [2020-07-18 00:49:30,130 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 [2020-07-18 00:49:30,130 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 [2020-07-18 00:49:30,130 INFO L280 TraceCheckUtils]: 2: Hoare triple {16167#true} ~__return_334~0 := 0; {16167#true} is VALID [2020-07-18 00:49:30,130 INFO L280 TraceCheckUtils]: 3: Hoare triple {16167#true} assume true; {16167#true} is VALID [2020-07-18 00:49:30,131 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {16167#true} {16167#true} #261#return; {16167#true} is VALID [2020-07-18 00:49:30,131 INFO L263 TraceCheckUtils]: 5: Hoare triple {16167#true} call #t~ret3 := main(); {16167#true} is VALID [2020-07-18 00:49:30,131 INFO L280 TraceCheckUtils]: 6: Hoare triple {16167#true} havoc ~main__len~0; {16167#true} is VALID [2020-07-18 00:49:30,132 INFO L280 TraceCheckUtils]: 7: Hoare triple {16167#true} havoc ~main__i~0; {16167#true} is VALID [2020-07-18 00:49:30,132 INFO L280 TraceCheckUtils]: 8: Hoare triple {16167#true} havoc ~main__j~0; {16167#true} is VALID [2020-07-18 00:49:30,132 INFO L280 TraceCheckUtils]: 9: Hoare triple {16167#true} havoc ~main__bufsize~0; {16167#true} is VALID [2020-07-18 00:49:30,133 INFO L280 TraceCheckUtils]: 10: Hoare triple {16167#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {16167#true} is VALID [2020-07-18 00:49:30,133 INFO L280 TraceCheckUtils]: 11: Hoare triple {16167#true} ~main__bufsize~0 := #t~nondet0; {16167#true} is VALID [2020-07-18 00:49:30,133 INFO L280 TraceCheckUtils]: 12: Hoare triple {16167#true} havoc #t~nondet0; {16167#true} is VALID [2020-07-18 00:49:30,133 INFO L280 TraceCheckUtils]: 13: Hoare triple {16167#true} assume !(~main__bufsize~0 < 0); {16167#true} is VALID [2020-07-18 00:49:30,134 INFO L280 TraceCheckUtils]: 14: Hoare triple {16167#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {16167#true} is VALID [2020-07-18 00:49:30,134 INFO L280 TraceCheckUtils]: 15: Hoare triple {16167#true} ~main__len~0 := #t~nondet1; {16167#true} is VALID [2020-07-18 00:49:30,134 INFO L280 TraceCheckUtils]: 16: Hoare triple {16167#true} havoc #t~nondet1; {16167#true} is VALID [2020-07-18 00:49:30,135 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 [2020-07-18 00:49:30,135 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 [2020-07-18 00:49:30,136 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 [2020-07-18 00:49:30,136 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 [2020-07-18 00:49:30,138 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 [2020-07-18 00:49:30,139 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 [2020-07-18 00:49:30,140 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 [2020-07-18 00:49:30,140 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 [2020-07-18 00:49:30,141 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 [2020-07-18 00:49:30,141 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 [2020-07-18 00:49:30,142 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 [2020-07-18 00:49:30,142 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 [2020-07-18 00:49:30,143 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 [2020-07-18 00:49:30,143 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 [2020-07-18 00:49:30,144 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 [2020-07-18 00:49:30,144 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 [2020-07-18 00:49:30,145 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 [2020-07-18 00:49:30,145 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 [2020-07-18 00:49:30,146 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 [2020-07-18 00:49:30,146 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 [2020-07-18 00:49:30,147 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 [2020-07-18 00:49:30,147 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 [2020-07-18 00:49:30,148 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 [2020-07-18 00:49:30,148 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 [2020-07-18 00:49:30,149 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 [2020-07-18 00:49:30,149 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 [2020-07-18 00:49:30,150 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 [2020-07-18 00:49:30,150 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 [2020-07-18 00:49:30,151 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 [2020-07-18 00:49:30,152 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 [2020-07-18 00:49:30,153 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 [2020-07-18 00:49:30,153 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 [2020-07-18 00:49:30,154 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 [2020-07-18 00:49:30,155 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 [2020-07-18 00:49:30,156 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 [2020-07-18 00:49:30,157 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 [2020-07-18 00:49:30,157 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 [2020-07-18 00:49:30,158 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 [2020-07-18 00:49:30,159 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 [2020-07-18 00:49:30,159 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 [2020-07-18 00:49:30,160 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 [2020-07-18 00:49:30,161 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 [2020-07-18 00:49:30,162 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 [2020-07-18 00:49:30,163 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 [2020-07-18 00:49:30,164 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 [2020-07-18 00:49:30,165 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 [2020-07-18 00:49:30,165 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 [2020-07-18 00:49:30,166 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 [2020-07-18 00:49:30,167 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 [2020-07-18 00:49:30,168 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 [2020-07-18 00:49:30,168 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 [2020-07-18 00:49:30,169 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 [2020-07-18 00:49:30,170 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 [2020-07-18 00:49:30,171 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 [2020-07-18 00:49:30,171 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 [2020-07-18 00:49:30,172 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 [2020-07-18 00:49:30,185 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 [2020-07-18 00:49:30,186 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 [2020-07-18 00:49:30,187 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 [2020-07-18 00:49:30,188 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 [2020-07-18 00:49:30,189 INFO L280 TraceCheckUtils]: 77: Hoare triple {16177#(not (= main_~__VERIFIER_assert__cond~12 0))} assume 0 == ~__VERIFIER_assert__cond~12; {16168#false} is VALID [2020-07-18 00:49:30,189 INFO L280 TraceCheckUtils]: 78: Hoare triple {16168#false} assume !false; {16168#false} is VALID [2020-07-18 00:49:30,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 00:49:30,207 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:49:30,207 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [483336063] [2020-07-18 00:49:30,208 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 00:49:30,208 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-18 00:49:30,208 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208181243] [2020-07-18 00:49:30,209 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 79 [2020-07-18 00:49:30,209 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 00:49:30,209 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-18 00:49:30,305 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 79 edges. 79 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:49:30,306 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-18 00:49:30,306 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 00:49:30,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-18 00:49:30,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-18 00:49:30,307 INFO L87 Difference]: Start difference. First operand 156 states and 160 transitions. Second operand 8 states. [2020-07-18 00:49:35,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:49:35,086 INFO L93 Difference]: Finished difference Result 271 states and 282 transitions. [2020-07-18 00:49:35,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-18 00:49:35,086 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 79 [2020-07-18 00:49:35,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 00:49:35,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-18 00:49:35,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 231 transitions. [2020-07-18 00:49:35,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-18 00:49:35,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 231 transitions. [2020-07-18 00:49:35,089 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 231 transitions. [2020-07-18 00:49:35,438 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 231 edges. 231 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:49:35,443 INFO L225 Difference]: With dead ends: 271 [2020-07-18 00:49:35,443 INFO L226 Difference]: Without dead ends: 269 [2020-07-18 00:49:35,444 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2020-07-18 00:49:35,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2020-07-18 00:49:37,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 154. [2020-07-18 00:49:37,322 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 00:49:37,322 INFO L82 GeneralOperation]: Start isEquivalent. First operand 269 states. Second operand 154 states. [2020-07-18 00:49:37,322 INFO L74 IsIncluded]: Start isIncluded. First operand 269 states. Second operand 154 states. [2020-07-18 00:49:37,322 INFO L87 Difference]: Start difference. First operand 269 states. Second operand 154 states. [2020-07-18 00:49:37,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:49:37,328 INFO L93 Difference]: Finished difference Result 269 states and 280 transitions. [2020-07-18 00:49:37,329 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 280 transitions. [2020-07-18 00:49:37,329 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:49:37,329 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:49:37,330 INFO L74 IsIncluded]: Start isIncluded. First operand 154 states. Second operand 269 states. [2020-07-18 00:49:37,330 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 269 states. [2020-07-18 00:49:37,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:49:37,335 INFO L93 Difference]: Finished difference Result 269 states and 280 transitions. [2020-07-18 00:49:37,336 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 280 transitions. [2020-07-18 00:49:37,336 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:49:37,336 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:49:37,337 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 00:49:37,337 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 00:49:37,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-07-18 00:49:37,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 158 transitions. [2020-07-18 00:49:37,340 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 158 transitions. Word has length 79 [2020-07-18 00:49:37,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 00:49:37,340 INFO L479 AbstractCegarLoop]: Abstraction has 154 states and 158 transitions. [2020-07-18 00:49:37,340 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-18 00:49:37,340 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 154 states and 158 transitions. [2020-07-18 00:49:38,151 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 158 edges. 158 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:49:38,151 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 158 transitions. [2020-07-18 00:49:38,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-07-18 00:49:38,152 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:49:38,152 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] [2020-07-18 00:49:38,153 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-07-18 00:49:38,153 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]=== [2020-07-18 00:49:38,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:49:38,153 INFO L82 PathProgramCache]: Analyzing trace with hash 108101264, now seen corresponding path program 1 times [2020-07-18 00:49:38,154 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:49:38,154 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1449858731] [2020-07-18 00:49:38,154 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:49:38,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:49:38,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:49:38,253 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 [2020-07-18 00:49:38,254 INFO L280 TraceCheckUtils]: 1: Hoare triple {17585#true} ~__return_334~0 := 0; {17585#true} is VALID [2020-07-18 00:49:38,254 INFO L280 TraceCheckUtils]: 2: Hoare triple {17585#true} assume true; {17585#true} is VALID [2020-07-18 00:49:38,254 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {17585#true} {17585#true} #261#return; {17585#true} is VALID [2020-07-18 00:49:38,255 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 [2020-07-18 00:49:38,255 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 [2020-07-18 00:49:38,256 INFO L280 TraceCheckUtils]: 2: Hoare triple {17585#true} ~__return_334~0 := 0; {17585#true} is VALID [2020-07-18 00:49:38,256 INFO L280 TraceCheckUtils]: 3: Hoare triple {17585#true} assume true; {17585#true} is VALID [2020-07-18 00:49:38,256 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {17585#true} {17585#true} #261#return; {17585#true} is VALID [2020-07-18 00:49:38,256 INFO L263 TraceCheckUtils]: 5: Hoare triple {17585#true} call #t~ret3 := main(); {17585#true} is VALID [2020-07-18 00:49:38,257 INFO L280 TraceCheckUtils]: 6: Hoare triple {17585#true} havoc ~main__len~0; {17585#true} is VALID [2020-07-18 00:49:38,257 INFO L280 TraceCheckUtils]: 7: Hoare triple {17585#true} havoc ~main__i~0; {17585#true} is VALID [2020-07-18 00:49:38,257 INFO L280 TraceCheckUtils]: 8: Hoare triple {17585#true} havoc ~main__j~0; {17585#true} is VALID [2020-07-18 00:49:38,258 INFO L280 TraceCheckUtils]: 9: Hoare triple {17585#true} havoc ~main__bufsize~0; {17585#true} is VALID [2020-07-18 00:49:38,258 INFO L280 TraceCheckUtils]: 10: Hoare triple {17585#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {17585#true} is VALID [2020-07-18 00:49:38,258 INFO L280 TraceCheckUtils]: 11: Hoare triple {17585#true} ~main__bufsize~0 := #t~nondet0; {17585#true} is VALID [2020-07-18 00:49:38,258 INFO L280 TraceCheckUtils]: 12: Hoare triple {17585#true} havoc #t~nondet0; {17585#true} is VALID [2020-07-18 00:49:38,258 INFO L280 TraceCheckUtils]: 13: Hoare triple {17585#true} assume !(~main__bufsize~0 < 0); {17585#true} is VALID [2020-07-18 00:49:38,259 INFO L280 TraceCheckUtils]: 14: Hoare triple {17585#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {17585#true} is VALID [2020-07-18 00:49:38,259 INFO L280 TraceCheckUtils]: 15: Hoare triple {17585#true} ~main__len~0 := #t~nondet1; {17585#true} is VALID [2020-07-18 00:49:38,259 INFO L280 TraceCheckUtils]: 16: Hoare triple {17585#true} havoc #t~nondet1; {17585#true} is VALID [2020-07-18 00:49:38,259 INFO L280 TraceCheckUtils]: 17: Hoare triple {17585#true} ~main__limit~0 := ~main__bufsize~0 - 4; {17585#true} is VALID [2020-07-18 00:49:38,260 INFO L280 TraceCheckUtils]: 18: Hoare triple {17585#true} ~main__i~0 := 0; {17585#true} is VALID [2020-07-18 00:49:38,260 INFO L280 TraceCheckUtils]: 19: Hoare triple {17585#true} assume ~main__i~0 < ~main__len~0; {17585#true} is VALID [2020-07-18 00:49:38,261 INFO L280 TraceCheckUtils]: 20: Hoare triple {17585#true} ~main__j~0 := 0; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-18 00:49:38,261 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 [2020-07-18 00:49:38,262 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 [2020-07-18 00:49:38,262 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 [2020-07-18 00:49:38,263 INFO L280 TraceCheckUtils]: 24: Hoare triple {17591#(<= 0 main_~main__j~0)} havoc ~__tmp_1~0; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-18 00:49:38,264 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 [2020-07-18 00:49:38,264 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 [2020-07-18 00:49:38,265 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 [2020-07-18 00:49:38,265 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 [2020-07-18 00:49:38,266 INFO L280 TraceCheckUtils]: 29: Hoare triple {17591#(<= 0 main_~main__j~0)} havoc ~__tmp_2~0; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-18 00:49:38,267 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 [2020-07-18 00:49:38,268 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 [2020-07-18 00:49:38,269 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 [2020-07-18 00:49:38,269 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 [2020-07-18 00:49:38,270 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 [2020-07-18 00:49:38,270 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 [2020-07-18 00:49:38,271 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 [2020-07-18 00:49:38,271 INFO L280 TraceCheckUtils]: 37: Hoare triple {17591#(<= 0 main_~main__j~0)} havoc #t~nondet2; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-18 00:49:38,272 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 [2020-07-18 00:49:38,273 INFO L280 TraceCheckUtils]: 39: Hoare triple {17591#(<= 0 main_~main__j~0)} havoc ~__tmp_7~0; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-18 00:49:38,273 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 [2020-07-18 00:49:38,274 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 [2020-07-18 00:49:38,274 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 [2020-07-18 00:49:38,275 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 [2020-07-18 00:49:38,275 INFO L280 TraceCheckUtils]: 44: Hoare triple {17591#(<= 0 main_~main__j~0)} havoc ~__tmp_8~0; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-18 00:49:38,276 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 [2020-07-18 00:49:38,276 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 [2020-07-18 00:49:38,277 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 [2020-07-18 00:49:38,278 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 [2020-07-18 00:49:38,278 INFO L280 TraceCheckUtils]: 49: Hoare triple {17591#(<= 0 main_~main__j~0)} havoc ~__tmp_9~0; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-18 00:49:38,279 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 [2020-07-18 00:49:38,279 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 [2020-07-18 00:49:38,280 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 [2020-07-18 00:49:38,280 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 [2020-07-18 00:49:38,281 INFO L280 TraceCheckUtils]: 54: Hoare triple {17591#(<= 0 main_~main__j~0)} havoc ~__tmp_10~0; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-18 00:49:38,281 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 [2020-07-18 00:49:38,282 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 [2020-07-18 00:49:38,283 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 [2020-07-18 00:49:38,283 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 [2020-07-18 00:49:38,284 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 [2020-07-18 00:49:38,285 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 [2020-07-18 00:49:38,285 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 [2020-07-18 00:49:38,286 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 [2020-07-18 00:49:38,286 INFO L280 TraceCheckUtils]: 63: Hoare triple {17592#(<= 1 main_~main__j~0)} havoc ~__tmp_11~0; {17592#(<= 1 main_~main__j~0)} is VALID [2020-07-18 00:49:38,287 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 [2020-07-18 00:49:38,301 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 [2020-07-18 00:49:38,303 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 [2020-07-18 00:49:38,303 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 [2020-07-18 00:49:38,303 INFO L280 TraceCheckUtils]: 68: Hoare triple {17592#(<= 1 main_~main__j~0)} havoc ~__tmp_12~0; {17592#(<= 1 main_~main__j~0)} is VALID [2020-07-18 00:49:38,304 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 [2020-07-18 00:49:38,305 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 [2020-07-18 00:49:38,305 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 [2020-07-18 00:49:38,306 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 [2020-07-18 00:49:38,306 INFO L280 TraceCheckUtils]: 73: Hoare triple {17592#(<= 1 main_~main__j~0)} havoc ~__tmp_13~0; {17592#(<= 1 main_~main__j~0)} is VALID [2020-07-18 00:49:38,307 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 [2020-07-18 00:49:38,307 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 [2020-07-18 00:49:38,308 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 [2020-07-18 00:49:38,308 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 [2020-07-18 00:49:38,309 INFO L280 TraceCheckUtils]: 78: Hoare triple {17592#(<= 1 main_~main__j~0)} havoc ~__tmp_14~0; {17592#(<= 1 main_~main__j~0)} is VALID [2020-07-18 00:49:38,310 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 [2020-07-18 00:49:38,310 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 [2020-07-18 00:49:38,311 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 [2020-07-18 00:49:38,312 INFO L280 TraceCheckUtils]: 82: Hoare triple {17594#(not (= main_~__VERIFIER_assert__cond~13 0))} assume 0 == ~__VERIFIER_assert__cond~13; {17586#false} is VALID [2020-07-18 00:49:38,312 INFO L280 TraceCheckUtils]: 83: Hoare triple {17586#false} assume !false; {17586#false} is VALID [2020-07-18 00:49:38,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 00:49:38,325 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:49:38,325 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1449858731] [2020-07-18 00:49:38,326 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 00:49:38,326 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-18 00:49:38,326 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533050771] [2020-07-18 00:49:38,327 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 84 [2020-07-18 00:49:38,327 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 00:49:38,329 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-18 00:49:38,428 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 84 edges. 84 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:49:38,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-18 00:49:38,429 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 00:49:38,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-18 00:49:38,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-18 00:49:38,430 INFO L87 Difference]: Start difference. First operand 154 states and 158 transitions. Second operand 7 states. [2020-07-18 00:49:46,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:49:46,092 INFO L93 Difference]: Finished difference Result 439 states and 453 transitions. [2020-07-18 00:49:46,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-18 00:49:46,093 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 84 [2020-07-18 00:49:46,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 00:49:46,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-18 00:49:46,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 359 transitions. [2020-07-18 00:49:46,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-18 00:49:46,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 359 transitions. [2020-07-18 00:49:46,097 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 359 transitions. [2020-07-18 00:49:46,582 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 359 edges. 359 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:49:46,592 INFO L225 Difference]: With dead ends: 439 [2020-07-18 00:49:46,592 INFO L226 Difference]: Without dead ends: 437 [2020-07-18 00:49:46,593 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2020-07-18 00:49:46,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2020-07-18 00:49:48,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 152. [2020-07-18 00:49:48,585 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 00:49:48,585 INFO L82 GeneralOperation]: Start isEquivalent. First operand 437 states. Second operand 152 states. [2020-07-18 00:49:48,585 INFO L74 IsIncluded]: Start isIncluded. First operand 437 states. Second operand 152 states. [2020-07-18 00:49:48,585 INFO L87 Difference]: Start difference. First operand 437 states. Second operand 152 states. [2020-07-18 00:49:48,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:49:48,597 INFO L93 Difference]: Finished difference Result 437 states and 451 transitions. [2020-07-18 00:49:48,597 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 451 transitions. [2020-07-18 00:49:48,598 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:49:48,598 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:49:48,598 INFO L74 IsIncluded]: Start isIncluded. First operand 152 states. Second operand 437 states. [2020-07-18 00:49:48,598 INFO L87 Difference]: Start difference. First operand 152 states. Second operand 437 states. [2020-07-18 00:49:48,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:49:48,610 INFO L93 Difference]: Finished difference Result 437 states and 451 transitions. [2020-07-18 00:49:48,611 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 451 transitions. [2020-07-18 00:49:48,611 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:49:48,612 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:49:48,612 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 00:49:48,612 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 00:49:48,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-07-18 00:49:48,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 156 transitions. [2020-07-18 00:49:48,615 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 156 transitions. Word has length 84 [2020-07-18 00:49:48,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 00:49:48,615 INFO L479 AbstractCegarLoop]: Abstraction has 152 states and 156 transitions. [2020-07-18 00:49:48,615 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-18 00:49:48,615 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 152 states and 156 transitions. [2020-07-18 00:49:49,431 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 156 edges. 156 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:49:49,431 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 156 transitions. [2020-07-18 00:49:49,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-18 00:49:49,432 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:49:49,433 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] [2020-07-18 00:49:49,433 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-07-18 00:49:49,433 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]=== [2020-07-18 00:49:49,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:49:49,434 INFO L82 PathProgramCache]: Analyzing trace with hash 274017809, now seen corresponding path program 1 times [2020-07-18 00:49:49,434 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:49:49,434 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1090982526] [2020-07-18 00:49:49,435 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:49:49,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:49:49,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:49:49,551 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 [2020-07-18 00:49:49,552 INFO L280 TraceCheckUtils]: 1: Hoare triple {19670#true} ~__return_334~0 := 0; {19670#true} is VALID [2020-07-18 00:49:49,552 INFO L280 TraceCheckUtils]: 2: Hoare triple {19670#true} assume true; {19670#true} is VALID [2020-07-18 00:49:49,552 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {19670#true} {19670#true} #261#return; {19670#true} is VALID [2020-07-18 00:49:49,553 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 [2020-07-18 00:49:49,553 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 [2020-07-18 00:49:49,553 INFO L280 TraceCheckUtils]: 2: Hoare triple {19670#true} ~__return_334~0 := 0; {19670#true} is VALID [2020-07-18 00:49:49,553 INFO L280 TraceCheckUtils]: 3: Hoare triple {19670#true} assume true; {19670#true} is VALID [2020-07-18 00:49:49,553 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {19670#true} {19670#true} #261#return; {19670#true} is VALID [2020-07-18 00:49:49,554 INFO L263 TraceCheckUtils]: 5: Hoare triple {19670#true} call #t~ret3 := main(); {19670#true} is VALID [2020-07-18 00:49:49,554 INFO L280 TraceCheckUtils]: 6: Hoare triple {19670#true} havoc ~main__len~0; {19670#true} is VALID [2020-07-18 00:49:49,554 INFO L280 TraceCheckUtils]: 7: Hoare triple {19670#true} havoc ~main__i~0; {19670#true} is VALID [2020-07-18 00:49:49,554 INFO L280 TraceCheckUtils]: 8: Hoare triple {19670#true} havoc ~main__j~0; {19670#true} is VALID [2020-07-18 00:49:49,554 INFO L280 TraceCheckUtils]: 9: Hoare triple {19670#true} havoc ~main__bufsize~0; {19670#true} is VALID [2020-07-18 00:49:49,554 INFO L280 TraceCheckUtils]: 10: Hoare triple {19670#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {19670#true} is VALID [2020-07-18 00:49:49,554 INFO L280 TraceCheckUtils]: 11: Hoare triple {19670#true} ~main__bufsize~0 := #t~nondet0; {19670#true} is VALID [2020-07-18 00:49:49,554 INFO L280 TraceCheckUtils]: 12: Hoare triple {19670#true} havoc #t~nondet0; {19670#true} is VALID [2020-07-18 00:49:49,555 INFO L280 TraceCheckUtils]: 13: Hoare triple {19670#true} assume !(~main__bufsize~0 < 0); {19670#true} is VALID [2020-07-18 00:49:49,555 INFO L280 TraceCheckUtils]: 14: Hoare triple {19670#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {19670#true} is VALID [2020-07-18 00:49:49,555 INFO L280 TraceCheckUtils]: 15: Hoare triple {19670#true} ~main__len~0 := #t~nondet1; {19670#true} is VALID [2020-07-18 00:49:49,555 INFO L280 TraceCheckUtils]: 16: Hoare triple {19670#true} havoc #t~nondet1; {19670#true} is VALID [2020-07-18 00:49:49,560 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 [2020-07-18 00:49:49,561 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 [2020-07-18 00:49:49,562 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 [2020-07-18 00:49:49,562 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 [2020-07-18 00:49:49,563 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 [2020-07-18 00:49:49,563 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 [2020-07-18 00:49:49,564 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 [2020-07-18 00:49:49,565 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 [2020-07-18 00:49:49,565 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 [2020-07-18 00:49:49,566 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 [2020-07-18 00:49:49,566 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 [2020-07-18 00:49:49,567 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 [2020-07-18 00:49:49,567 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 [2020-07-18 00:49:49,568 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 [2020-07-18 00:49:49,568 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 [2020-07-18 00:49:49,569 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 [2020-07-18 00:49:49,569 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 [2020-07-18 00:49:49,570 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 [2020-07-18 00:49:49,570 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 [2020-07-18 00:49:49,571 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 [2020-07-18 00:49:49,572 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 [2020-07-18 00:49:49,572 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 [2020-07-18 00:49:49,573 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 [2020-07-18 00:49:49,573 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 [2020-07-18 00:49:49,573 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 [2020-07-18 00:49:49,574 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 [2020-07-18 00:49:49,574 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 [2020-07-18 00:49:49,574 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 [2020-07-18 00:49:49,575 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 [2020-07-18 00:49:49,575 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 [2020-07-18 00:49:49,576 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 [2020-07-18 00:49:49,576 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 [2020-07-18 00:49:49,576 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 [2020-07-18 00:49:49,577 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 [2020-07-18 00:49:49,577 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 [2020-07-18 00:49:49,578 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 [2020-07-18 00:49:49,578 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 [2020-07-18 00:49:49,578 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 [2020-07-18 00:49:49,579 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 [2020-07-18 00:49:49,579 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 [2020-07-18 00:49:49,579 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 [2020-07-18 00:49:49,580 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 [2020-07-18 00:49:49,580 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 [2020-07-18 00:49:49,581 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 [2020-07-18 00:49:49,581 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 [2020-07-18 00:49:49,582 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 [2020-07-18 00:49:49,582 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 [2020-07-18 00:49:49,582 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 [2020-07-18 00:49:49,583 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 [2020-07-18 00:49:49,583 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 [2020-07-18 00:49:49,583 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 [2020-07-18 00:49:49,584 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 [2020-07-18 00:49:49,584 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 [2020-07-18 00:49:49,585 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 [2020-07-18 00:49:49,585 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 [2020-07-18 00:49:49,585 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 [2020-07-18 00:49:49,586 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 [2020-07-18 00:49:49,586 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 [2020-07-18 00:49:49,586 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 [2020-07-18 00:49:49,587 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 [2020-07-18 00:49:49,587 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 [2020-07-18 00:49:49,587 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 [2020-07-18 00:49:49,588 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 [2020-07-18 00:49:49,588 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 [2020-07-18 00:49:49,589 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 [2020-07-18 00:49:49,589 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 [2020-07-18 00:49:49,589 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 [2020-07-18 00:49:49,590 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 [2020-07-18 00:49:49,590 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 [2020-07-18 00:49:49,591 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 [2020-07-18 00:49:49,591 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 [2020-07-18 00:49:49,592 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 [2020-07-18 00:49:49,592 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 [2020-07-18 00:49:49,593 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 [2020-07-18 00:49:49,593 INFO L280 TraceCheckUtils]: 91: Hoare triple {19681#(not (= main_~__VERIFIER_assert__cond~14 0))} assume 0 == ~__VERIFIER_assert__cond~14; {19671#false} is VALID [2020-07-18 00:49:49,593 INFO L280 TraceCheckUtils]: 92: Hoare triple {19671#false} assume !false; {19671#false} is VALID [2020-07-18 00:49:49,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 00:49:49,604 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:49:49,605 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1090982526] [2020-07-18 00:49:49,605 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 00:49:49,605 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-18 00:49:49,605 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621808742] [2020-07-18 00:49:49,605 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 93 [2020-07-18 00:49:49,606 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 00:49:49,606 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states. [2020-07-18 00:49:49,708 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 93 edges. 93 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:49:49,708 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-18 00:49:49,708 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 00:49:49,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-18 00:49:49,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-07-18 00:49:49,709 INFO L87 Difference]: Start difference. First operand 152 states and 156 transitions. Second operand 9 states. [2020-07-18 00:49:55,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:49:55,191 INFO L93 Difference]: Finished difference Result 281 states and 292 transitions. [2020-07-18 00:49:55,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-18 00:49:55,192 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 93 [2020-07-18 00:49:55,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 00:49:55,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-18 00:49:55,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 241 transitions. [2020-07-18 00:49:55,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-18 00:49:55,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 241 transitions. [2020-07-18 00:49:55,195 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states and 241 transitions. [2020-07-18 00:49:55,564 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 241 edges. 241 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:49:55,569 INFO L225 Difference]: With dead ends: 281 [2020-07-18 00:49:55,569 INFO L226 Difference]: Without dead ends: 279 [2020-07-18 00:49:55,570 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2020-07-18 00:49:55,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2020-07-18 00:49:57,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 150. [2020-07-18 00:49:57,634 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 00:49:57,634 INFO L82 GeneralOperation]: Start isEquivalent. First operand 279 states. Second operand 150 states. [2020-07-18 00:49:57,634 INFO L74 IsIncluded]: Start isIncluded. First operand 279 states. Second operand 150 states. [2020-07-18 00:49:57,634 INFO L87 Difference]: Start difference. First operand 279 states. Second operand 150 states. [2020-07-18 00:49:57,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:49:57,640 INFO L93 Difference]: Finished difference Result 279 states and 290 transitions. [2020-07-18 00:49:57,640 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 290 transitions. [2020-07-18 00:49:57,641 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:49:57,641 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:49:57,641 INFO L74 IsIncluded]: Start isIncluded. First operand 150 states. Second operand 279 states. [2020-07-18 00:49:57,641 INFO L87 Difference]: Start difference. First operand 150 states. Second operand 279 states. [2020-07-18 00:49:57,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:49:57,647 INFO L93 Difference]: Finished difference Result 279 states and 290 transitions. [2020-07-18 00:49:57,647 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 290 transitions. [2020-07-18 00:49:57,648 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:49:57,648 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:49:57,648 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 00:49:57,648 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 00:49:57,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-07-18 00:49:57,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 154 transitions. [2020-07-18 00:49:57,651 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 154 transitions. Word has length 93 [2020-07-18 00:49:57,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 00:49:57,651 INFO L479 AbstractCegarLoop]: Abstraction has 150 states and 154 transitions. [2020-07-18 00:49:57,651 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-18 00:49:57,652 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 150 states and 154 transitions. [2020-07-18 00:49:58,509 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 154 edges. 154 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:49:58,510 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 154 transitions. [2020-07-18 00:49:58,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-18 00:49:58,511 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:49:58,511 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] [2020-07-18 00:49:58,512 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-07-18 00:49:58,512 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]=== [2020-07-18 00:49:58,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:49:58,512 INFO L82 PathProgramCache]: Analyzing trace with hash 1620264573, now seen corresponding path program 1 times [2020-07-18 00:49:58,513 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:49:58,513 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1646171462] [2020-07-18 00:49:58,513 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:49:58,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:49:58,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:49:58,607 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 [2020-07-18 00:49:58,607 INFO L280 TraceCheckUtils]: 1: Hoare triple {21125#true} ~__return_334~0 := 0; {21125#true} is VALID [2020-07-18 00:49:58,608 INFO L280 TraceCheckUtils]: 2: Hoare triple {21125#true} assume true; {21125#true} is VALID [2020-07-18 00:49:58,608 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {21125#true} {21125#true} #261#return; {21125#true} is VALID [2020-07-18 00:49:58,618 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 [2020-07-18 00:49:58,618 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 [2020-07-18 00:49:58,618 INFO L280 TraceCheckUtils]: 2: Hoare triple {21125#true} ~__return_334~0 := 0; {21125#true} is VALID [2020-07-18 00:49:58,619 INFO L280 TraceCheckUtils]: 3: Hoare triple {21125#true} assume true; {21125#true} is VALID [2020-07-18 00:49:58,619 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {21125#true} {21125#true} #261#return; {21125#true} is VALID [2020-07-18 00:49:58,619 INFO L263 TraceCheckUtils]: 5: Hoare triple {21125#true} call #t~ret3 := main(); {21125#true} is VALID [2020-07-18 00:49:58,619 INFO L280 TraceCheckUtils]: 6: Hoare triple {21125#true} havoc ~main__len~0; {21125#true} is VALID [2020-07-18 00:49:58,619 INFO L280 TraceCheckUtils]: 7: Hoare triple {21125#true} havoc ~main__i~0; {21125#true} is VALID [2020-07-18 00:49:58,620 INFO L280 TraceCheckUtils]: 8: Hoare triple {21125#true} havoc ~main__j~0; {21125#true} is VALID [2020-07-18 00:49:58,620 INFO L280 TraceCheckUtils]: 9: Hoare triple {21125#true} havoc ~main__bufsize~0; {21125#true} is VALID [2020-07-18 00:49:58,620 INFO L280 TraceCheckUtils]: 10: Hoare triple {21125#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {21125#true} is VALID [2020-07-18 00:49:58,620 INFO L280 TraceCheckUtils]: 11: Hoare triple {21125#true} ~main__bufsize~0 := #t~nondet0; {21125#true} is VALID [2020-07-18 00:49:58,620 INFO L280 TraceCheckUtils]: 12: Hoare triple {21125#true} havoc #t~nondet0; {21125#true} is VALID [2020-07-18 00:49:58,621 INFO L280 TraceCheckUtils]: 13: Hoare triple {21125#true} assume !(~main__bufsize~0 < 0); {21125#true} is VALID [2020-07-18 00:49:58,621 INFO L280 TraceCheckUtils]: 14: Hoare triple {21125#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {21125#true} is VALID [2020-07-18 00:49:58,621 INFO L280 TraceCheckUtils]: 15: Hoare triple {21125#true} ~main__len~0 := #t~nondet1; {21125#true} is VALID [2020-07-18 00:49:58,621 INFO L280 TraceCheckUtils]: 16: Hoare triple {21125#true} havoc #t~nondet1; {21125#true} is VALID [2020-07-18 00:49:58,622 INFO L280 TraceCheckUtils]: 17: Hoare triple {21125#true} ~main__limit~0 := ~main__bufsize~0 - 4; {21125#true} is VALID [2020-07-18 00:49:58,622 INFO L280 TraceCheckUtils]: 18: Hoare triple {21125#true} ~main__i~0 := 0; {21125#true} is VALID [2020-07-18 00:49:58,622 INFO L280 TraceCheckUtils]: 19: Hoare triple {21125#true} assume ~main__i~0 < ~main__len~0; {21125#true} is VALID [2020-07-18 00:49:58,623 INFO L280 TraceCheckUtils]: 20: Hoare triple {21125#true} ~main__j~0 := 0; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-18 00:49:58,623 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 [2020-07-18 00:49:58,624 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 [2020-07-18 00:49:58,624 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 [2020-07-18 00:49:58,625 INFO L280 TraceCheckUtils]: 24: Hoare triple {21131#(<= 0 main_~main__j~0)} havoc ~__tmp_1~0; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-18 00:49:58,625 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 [2020-07-18 00:49:58,626 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 [2020-07-18 00:49:58,626 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 [2020-07-18 00:49:58,627 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 [2020-07-18 00:49:58,628 INFO L280 TraceCheckUtils]: 29: Hoare triple {21131#(<= 0 main_~main__j~0)} havoc ~__tmp_2~0; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-18 00:49:58,628 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 [2020-07-18 00:49:58,629 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 [2020-07-18 00:49:58,629 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 [2020-07-18 00:49:58,630 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 [2020-07-18 00:49:58,630 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 [2020-07-18 00:49:58,631 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 [2020-07-18 00:49:58,632 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 [2020-07-18 00:49:58,632 INFO L280 TraceCheckUtils]: 37: Hoare triple {21131#(<= 0 main_~main__j~0)} havoc #t~nondet2; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-18 00:49:58,633 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 [2020-07-18 00:49:58,633 INFO L280 TraceCheckUtils]: 39: Hoare triple {21131#(<= 0 main_~main__j~0)} havoc ~__tmp_7~0; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-18 00:49:58,634 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 [2020-07-18 00:49:58,634 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 [2020-07-18 00:49:58,635 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 [2020-07-18 00:49:58,635 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 [2020-07-18 00:49:58,636 INFO L280 TraceCheckUtils]: 44: Hoare triple {21131#(<= 0 main_~main__j~0)} havoc ~__tmp_8~0; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-18 00:49:58,636 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 [2020-07-18 00:49:58,637 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 [2020-07-18 00:49:58,637 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 [2020-07-18 00:49:58,638 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 [2020-07-18 00:49:58,638 INFO L280 TraceCheckUtils]: 49: Hoare triple {21131#(<= 0 main_~main__j~0)} havoc ~__tmp_9~0; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-18 00:49:58,638 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 [2020-07-18 00:49:58,639 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 [2020-07-18 00:49:58,639 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 [2020-07-18 00:49:58,640 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 [2020-07-18 00:49:58,640 INFO L280 TraceCheckUtils]: 54: Hoare triple {21131#(<= 0 main_~main__j~0)} havoc ~__tmp_10~0; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-18 00:49:58,641 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 [2020-07-18 00:49:58,641 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 [2020-07-18 00:49:58,642 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 [2020-07-18 00:49:58,642 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 [2020-07-18 00:49:58,643 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 [2020-07-18 00:49:58,644 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 [2020-07-18 00:49:58,644 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 [2020-07-18 00:49:58,645 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 [2020-07-18 00:49:58,645 INFO L280 TraceCheckUtils]: 63: Hoare triple {21132#(<= 1 main_~main__j~0)} havoc ~__tmp_11~0; {21132#(<= 1 main_~main__j~0)} is VALID [2020-07-18 00:49:58,646 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 [2020-07-18 00:49:58,646 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 [2020-07-18 00:49:58,647 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 [2020-07-18 00:49:58,647 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 [2020-07-18 00:49:58,648 INFO L280 TraceCheckUtils]: 68: Hoare triple {21132#(<= 1 main_~main__j~0)} havoc ~__tmp_12~0; {21132#(<= 1 main_~main__j~0)} is VALID [2020-07-18 00:49:58,648 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 [2020-07-18 00:49:58,649 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 [2020-07-18 00:49:58,649 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 [2020-07-18 00:49:58,650 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 [2020-07-18 00:49:58,650 INFO L280 TraceCheckUtils]: 73: Hoare triple {21132#(<= 1 main_~main__j~0)} havoc ~__tmp_13~0; {21132#(<= 1 main_~main__j~0)} is VALID [2020-07-18 00:49:58,651 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 [2020-07-18 00:49:58,651 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 [2020-07-18 00:49:58,652 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 [2020-07-18 00:49:58,652 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 [2020-07-18 00:49:58,653 INFO L280 TraceCheckUtils]: 78: Hoare triple {21132#(<= 1 main_~main__j~0)} havoc ~__tmp_14~0; {21132#(<= 1 main_~main__j~0)} is VALID [2020-07-18 00:49:58,654 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 [2020-07-18 00:49:58,654 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 [2020-07-18 00:49:58,655 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 [2020-07-18 00:49:58,655 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 [2020-07-18 00:49:58,656 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 [2020-07-18 00:49:58,657 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 [2020-07-18 00:49:58,657 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 [2020-07-18 00:49:58,658 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 [2020-07-18 00:49:58,658 INFO L280 TraceCheckUtils]: 87: Hoare triple {21133#(<= 2 main_~main__j~0)} havoc ~__tmp_15~0; {21133#(<= 2 main_~main__j~0)} is VALID [2020-07-18 00:49:58,659 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 [2020-07-18 00:49:58,659 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 [2020-07-18 00:49:58,660 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 [2020-07-18 00:49:58,660 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 [2020-07-18 00:49:58,661 INFO L280 TraceCheckUtils]: 92: Hoare triple {21133#(<= 2 main_~main__j~0)} havoc ~__tmp_16~0; {21133#(<= 2 main_~main__j~0)} is VALID [2020-07-18 00:49:58,662 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 [2020-07-18 00:49:58,662 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 [2020-07-18 00:49:58,663 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 [2020-07-18 00:49:58,663 INFO L280 TraceCheckUtils]: 96: Hoare triple {21135#(not (= main_~__VERIFIER_assert__cond~15 0))} assume 0 == ~__VERIFIER_assert__cond~15; {21126#false} is VALID [2020-07-18 00:49:58,664 INFO L280 TraceCheckUtils]: 97: Hoare triple {21126#false} assume !false; {21126#false} is VALID [2020-07-18 00:49:58,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 00:49:58,674 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:49:58,674 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1646171462] [2020-07-18 00:49:58,674 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 00:49:58,675 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-18 00:49:58,675 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432718353] [2020-07-18 00:49:58,676 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2020-07-18 00:49:58,676 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 00:49:58,676 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-18 00:49:58,818 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 98 edges. 98 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:49:58,818 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-18 00:49:58,819 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 00:49:58,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-18 00:49:58,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-18 00:49:58,819 INFO L87 Difference]: Start difference. First operand 150 states and 154 transitions. Second operand 8 states. [2020-07-18 00:50:12,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:50:12,548 INFO L93 Difference]: Finished difference Result 679 states and 701 transitions. [2020-07-18 00:50:12,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-18 00:50:12,548 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2020-07-18 00:50:12,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 00:50:12,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-18 00:50:12,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 557 transitions. [2020-07-18 00:50:12,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-18 00:50:12,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 557 transitions. [2020-07-18 00:50:12,552 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 557 transitions. [2020-07-18 00:50:13,341 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 557 edges. 557 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:50:13,341 INFO L225 Difference]: With dead ends: 679 [2020-07-18 00:50:13,341 INFO L226 Difference]: Without dead ends: 0 [2020-07-18 00:50:13,345 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2020-07-18 00:50:13,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-18 00:50:13,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-18 00:50:13,345 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 00:50:13,345 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-18 00:50:13,345 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-18 00:50:13,346 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-18 00:50:13,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:50:13,346 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-18 00:50:13,346 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-18 00:50:13,346 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:50:13,346 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:50:13,346 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-18 00:50:13,346 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-18 00:50:13,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:50:13,346 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-18 00:50:13,347 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-18 00:50:13,347 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:50:13,347 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:50:13,347 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 00:50:13,347 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 00:50:13,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-18 00:50:13,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-18 00:50:13,348 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 98 [2020-07-18 00:50:13,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 00:50:13,348 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-18 00:50:13,348 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-18 00:50:13,348 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 0 states and 0 transitions. [2020-07-18 00:50:13,348 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:50:13,349 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-18 00:50:13,349 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:50:13,349 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-07-18 00:50:13,351 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-18 00:50:13,496 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 112 [2020-07-18 00:50:13,881 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 95 [2020-07-18 00:50:14,288 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 71 [2020-07-18 00:50:14,659 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 150 [2020-07-18 00:50:14,822 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 121 [2020-07-18 00:50:15,007 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 119 [2020-07-18 00:50:15,157 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 99 [2020-07-18 00:50:15,550 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 141 [2020-07-18 00:50:15,889 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 141 [2020-07-18 00:50:16,082 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 102 [2020-07-18 00:50:16,211 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 141 [2020-07-18 00:50:16,360 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 110 [2020-07-18 00:50:16,484 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 133 [2020-07-18 00:50:16,610 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 141 [2020-07-18 00:50:16,817 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 163 [2020-07-18 00:50:16,957 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 146 [2020-07-18 00:50:17,074 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 155 [2020-07-18 00:50:17,400 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 145 [2020-07-18 00:50:17,603 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 146 [2020-07-18 00:50:17,817 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 142 [2020-07-18 00:50:17,991 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 163 [2020-07-18 00:50:18,115 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 166 [2020-07-18 00:50:18,507 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 111 [2020-07-18 00:50:19,456 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 153 [2020-07-18 00:50:19,667 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 148 [2020-07-18 00:50:20,041 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 120 [2020-07-18 00:50:20,154 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 154 [2020-07-18 00:50:20,267 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 153 [2020-07-18 00:50:21,381 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 125 [2020-07-18 00:50:21,560 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 150 [2020-07-18 00:50:21,669 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 171 [2020-07-18 00:50:21,783 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 164 [2020-07-18 00:50:21,889 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 160 [2020-07-18 00:50:22,324 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 53 [2020-07-18 00:50:22,740 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 57 [2020-07-18 00:50:22,901 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 77 [2020-07-18 00:50:23,088 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 20 [2020-07-18 00:50:23,203 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 20 [2020-07-18 00:50:23,670 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 28 [2020-07-18 00:50:23,896 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 40 [2020-07-18 00:50:24,257 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 38 [2020-07-18 00:50:24,458 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 45 [2020-07-18 00:50:24,686 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 66 [2020-07-18 00:50:24,909 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 69 [2020-07-18 00:50:25,154 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 75 [2020-07-18 00:50:25,318 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 80 [2020-07-18 00:50:25,638 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 35 [2020-07-18 00:50:25,927 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 57 [2020-07-18 00:50:26,049 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2020-07-18 00:50:26,317 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 66 [2020-07-18 00:50:26,638 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 35 [2020-07-18 00:50:26,825 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 89 [2020-07-18 00:50:27,131 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 16 [2020-07-18 00:50:27,456 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 35 [2020-07-18 00:50:27,659 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 26 [2020-07-18 00:50:27,958 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 31 [2020-07-18 00:50:28,255 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 35 [2020-07-18 00:50:28,820 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 39 [2020-07-18 00:50:29,331 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 42 [2020-07-18 00:50:29,702 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 46 [2020-07-18 00:50:29,982 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 80 [2020-07-18 00:50:30,156 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2020-07-18 00:50:30,348 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 89 [2020-07-18 00:50:30,758 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 26 [2020-07-18 00:50:31,194 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 30 [2020-07-18 00:50:31,627 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 35 [2020-07-18 00:50:32,185 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 39 [2020-07-18 00:50:32,718 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 45 [2020-07-18 00:50:32,983 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 39 [2020-07-18 00:50:33,188 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 42 [2020-07-18 00:50:33,450 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 48 [2020-07-18 00:50:33,719 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 50 [2020-07-18 00:50:33,999 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2020-07-18 00:50:34,333 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 20 [2020-07-18 00:50:34,524 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 13 [2020-07-18 00:50:34,728 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 34 [2020-07-18 00:50:34,985 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 39 [2020-07-18 00:50:35,158 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 61 [2020-07-18 00:50:35,479 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 63 [2020-07-18 00:50:35,620 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 69 [2020-07-18 00:50:35,863 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 72 [2020-07-18 00:50:36,024 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2020-07-18 00:50:36,306 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 30 [2020-07-18 00:50:36,579 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 34 [2020-07-18 00:50:36,883 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 61 [2020-07-18 00:50:37,058 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2020-07-18 00:50:37,235 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2020-07-18 00:50:37,460 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 23 [2020-07-18 00:50:37,747 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 30 [2020-07-18 00:50:38,080 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 35 [2020-07-18 00:50:38,497 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 35 [2020-07-18 00:50:38,843 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 36 [2020-07-18 00:50:39,239 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 44 [2020-07-18 00:50:39,601 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 46 [2020-07-18 00:50:39,950 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 50 [2020-07-18 00:50:40,479 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 57 [2020-07-18 00:50:40,640 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 77 [2020-07-18 00:50:40,810 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2020-07-18 00:50:40,999 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 89 [2020-07-18 00:50:41,334 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 25 [2020-07-18 00:50:41,781 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 29 [2020-07-18 00:50:42,207 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 35 [2020-07-18 00:50:42,407 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 35 [2020-07-18 00:50:42,717 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 41 [2020-07-18 00:50:43,013 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 46 [2020-07-18 00:50:43,357 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 50 [2020-07-18 00:50:43,701 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 72 [2020-07-18 00:50:43,955 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 75 [2020-07-18 00:50:44,127 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 80 [2020-07-18 00:50:44,300 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 19 [2020-07-18 00:50:44,625 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 35 [2020-07-18 00:50:44,850 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 58 [2020-07-18 00:50:44,979 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 63 [2020-07-18 00:50:45,239 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 67 [2020-07-18 00:50:45,487 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 72 [2020-07-18 00:50:45,647 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2020-07-18 00:50:45,933 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 28 [2020-07-18 00:50:46,209 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 32 [2020-07-18 00:50:46,535 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 35 [2020-07-18 00:50:47,074 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 45 [2020-07-18 00:50:47,345 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 54 [2020-07-18 00:50:47,519 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 80 [2020-07-18 00:50:47,709 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2020-07-18 00:50:48,190 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 43 [2020-07-18 00:50:48,533 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 25 [2020-07-18 00:50:48,981 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 28 [2020-07-18 00:50:49,530 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 31 [2020-07-18 00:50:50,201 WARN L193 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 37 [2020-07-18 00:50:50,835 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 39 [2020-07-18 00:50:51,364 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 45 [2020-07-18 00:50:51,557 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 45 [2020-07-18 00:50:51,842 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 49 [2020-07-18 00:50:51,850 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-07-18 00:50:51,850 INFO L271 CegarLoopResult]: At program point L10(line 10) the Hoare annotation is: true [2020-07-18 00:50:51,850 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)|)) [2020-07-18 00:50:51,850 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-07-18 00:50:51,850 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-07-18 00:50:51,850 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-18 00:50:51,851 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-18 00:50:51,851 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-07-18 00:50:51,851 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 4 6) no Hoare annotation was computed. [2020-07-18 00:50:51,851 INFO L268 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2020-07-18 00:50:51,851 INFO L268 CegarLoopResult]: For program point L5-1(line 5) no Hoare annotation was computed. [2020-07-18 00:50:51,851 INFO L268 CegarLoopResult]: For program point L5-3(lines 4 6) no Hoare annotation was computed. [2020-07-18 00:50:51,851 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 4 6) no Hoare annotation was computed. [2020-07-18 00:50:51,852 INFO L264 CegarLoopResult]: At program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 86) the Hoare annotation is: false [2020-07-18 00:50:51,852 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)) [2020-07-18 00:50:51,853 INFO L271 CegarLoopResult]: At program point mainEXIT(lines 11 311) the Hoare annotation is: true [2020-07-18 00:50:51,853 INFO L264 CegarLoopResult]: At program point L151(line 151) the Hoare annotation is: false [2020-07-18 00:50:51,853 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)) [2020-07-18 00:50:51,853 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)) [2020-07-18 00:50:51,854 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)) [2020-07-18 00:50:51,854 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)) [2020-07-18 00:50:51,854 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) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~0)) (<= (+ main_~main__i~0 2) main_~main__len~0) (not (= 0 main_~__tmp_7~0)) (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)) [2020-07-18 00:50:51,854 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)) [2020-07-18 00:50:51,855 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)) [2020-07-18 00:50:51,855 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)) [2020-07-18 00:50:51,855 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)) [2020-07-18 00:50:51,855 INFO L264 CegarLoopResult]: At program point L152(line 152) the Hoare annotation is: false [2020-07-18 00:50:51,855 INFO L264 CegarLoopResult]: At program point L86(line 86) the Hoare annotation is: false [2020-07-18 00:50:51,855 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) (<= (+ 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) (= 1 main_~__tmp_2~0)) [2020-07-18 00:50:51,855 INFO L264 CegarLoopResult]: At program point L20(line 20) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-18 00:50:51,856 INFO L264 CegarLoopResult]: At program point mainErr14ASSERT_VIOLATIONERROR_FUNCTION(line 243) the Hoare annotation is: false [2020-07-18 00:50:51,856 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)) [2020-07-18 00:50:51,856 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)) [2020-07-18 00:50:51,856 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)) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (<= 0 main_~main__i~0) (= 1 main_~__VERIFIER_assert__cond~1) (= 1 main_~__tmp_2~0)) [2020-07-18 00:50:51,856 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)) [2020-07-18 00:50:51,857 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)) [2020-07-18 00:50:51,857 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)) [2020-07-18 00:50:51,857 INFO L264 CegarLoopResult]: At program point L87(line 87) the Hoare annotation is: false [2020-07-18 00:50:51,857 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__i~0 2) main_~main__len~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~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)) [2020-07-18 00:50:51,857 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)) [2020-07-18 00:50:51,857 INFO L271 CegarLoopResult]: At program point mainFINAL(lines 11 311) the Hoare annotation is: true [2020-07-18 00:50:51,857 INFO L264 CegarLoopResult]: At program point L203(line 203) the Hoare annotation is: false [2020-07-18 00:50:51,858 INFO L264 CegarLoopResult]: At program point mainErr13ASSERT_VIOLATIONERROR_FUNCTION(line 227) the Hoare annotation is: false [2020-07-18 00:50:51,858 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)) [2020-07-18 00:50:51,858 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)) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (<= 0 main_~main__i~0) (= 1 main_~__VERIFIER_assert__cond~1) (= 1 main_~__tmp_2~0)) [2020-07-18 00:50:51,858 INFO L264 CegarLoopResult]: At program point L104(line 104) the Hoare annotation is: (and (not (= 0 main_~__tmp_3~0)) (< main_~main__i~0 main_~main__len~0) (= |old(~__return_334~0)| ~__return_334~0) (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)) [2020-07-18 00:50:51,858 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)) [2020-07-18 00:50:51,859 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)) [2020-07-18 00:50:51,859 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)) [2020-07-18 00:50:51,859 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) (<= (+ 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) (= 1 main_~__tmp_2~0) (= 1 main_~__VERIFIER_assert__cond~1)) [2020-07-18 00:50:51,859 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)) [2020-07-18 00:50:51,860 INFO L264 CegarLoopResult]: At program point L204(line 204) the Hoare annotation is: false [2020-07-18 00:50:51,860 INFO L264 CegarLoopResult]: At program point mainErr8ASSERT_VIOLATIONERROR_FUNCTION(line 163) the Hoare annotation is: false [2020-07-18 00:50:51,860 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)) [2020-07-18 00:50:51,860 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)) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-18 00:50:51,860 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)) [2020-07-18 00:50:51,860 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)) [2020-07-18 00:50:51,861 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)) [2020-07-18 00:50:51,861 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)) [2020-07-18 00:50:51,861 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)) [2020-07-18 00:50:51,861 INFO L264 CegarLoopResult]: At program point mainErr15ASSERT_VIOLATIONERROR_FUNCTION(line 255) the Hoare annotation is: false [2020-07-18 00:50:51,862 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)) [2020-07-18 00:50:51,862 INFO L264 CegarLoopResult]: At program point L139(line 139) the Hoare annotation is: false [2020-07-18 00:50:51,862 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)) [2020-07-18 00:50:51,862 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) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (<= 0 main_~main__i~0)) [2020-07-18 00:50:51,862 INFO L264 CegarLoopResult]: At program point L255(line 255) the Hoare annotation is: false [2020-07-18 00:50:51,862 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)) [2020-07-18 00:50:51,863 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)) [2020-07-18 00:50:51,863 INFO L264 CegarLoopResult]: At program point L57(line 57) the Hoare annotation is: false [2020-07-18 00:50:51,863 INFO L264 CegarLoopResult]: At program point L24(line 24) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-18 00:50:51,863 INFO L264 CegarLoopResult]: At program point L24-1(line 24) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-18 00:50:51,863 INFO L264 CegarLoopResult]: At program point L24-2(line 24) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-18 00:50:51,863 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)) [2020-07-18 00:50:51,863 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)) [2020-07-18 00:50:51,863 INFO L264 CegarLoopResult]: At program point L140(line 140) the Hoare annotation is: false [2020-07-18 00:50:51,864 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)) [2020-07-18 00:50:51,864 INFO L264 CegarLoopResult]: At program point L74(line 74) the Hoare annotation is: false [2020-07-18 00:50:51,864 INFO L264 CegarLoopResult]: At program point mainErr10ASSERT_VIOLATIONERROR_FUNCTION(line 191) the Hoare annotation is: false [2020-07-18 00:50:51,864 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__i~0 2) main_~main__len~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-18 00:50:51,864 INFO L264 CegarLoopResult]: At program point L256(line 256) the Hoare annotation is: false [2020-07-18 00:50:51,865 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)) [2020-07-18 00:50:51,865 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)) [2020-07-18 00:50:51,865 INFO L264 CegarLoopResult]: At program point L58(line 58) the Hoare annotation is: false [2020-07-18 00:50:51,865 INFO L264 CegarLoopResult]: At program point L25(line 25) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-18 00:50:51,865 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)) [2020-07-18 00:50:51,866 INFO L264 CegarLoopResult]: At program point mainErr9ASSERT_VIOLATIONERROR_FUNCTION(line 175) the Hoare annotation is: false [2020-07-18 00:50:51,866 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)) [2020-07-18 00:50:51,866 INFO L264 CegarLoopResult]: At program point L75(line 75) the Hoare annotation is: false [2020-07-18 00:50:51,866 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)) [2020-07-18 00:50:51,866 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)) [2020-07-18 00:50:51,866 INFO L264 CegarLoopResult]: At program point L191(line 191) the Hoare annotation is: false [2020-07-18 00:50:51,867 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) (<= (+ main_~main__i~0 2) main_~main__len~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__j~0 5) main_~main__bufsize~0) (= 1 main_~__tmp_2~0)) [2020-07-18 00:50:51,867 INFO L264 CegarLoopResult]: At program point mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 98) the Hoare annotation is: false [2020-07-18 00:50:51,867 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)) [2020-07-18 00:50:51,867 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)) [2020-07-18 00:50:51,867 INFO L264 CegarLoopResult]: At program point L307(line 307) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-18 00:50:51,868 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)) [2020-07-18 00:50:51,868 INFO L264 CegarLoopResult]: At program point L175(line 175) the Hoare annotation is: false [2020-07-18 00:50:51,868 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)) [2020-07-18 00:50:51,868 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)) [2020-07-18 00:50:51,868 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)) [2020-07-18 00:50:51,869 INFO L264 CegarLoopResult]: At program point L192(line 192) the Hoare annotation is: false [2020-07-18 00:50:51,869 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)) [2020-07-18 00:50:51,869 INFO L264 CegarLoopResult]: At program point L93(line 93) the Hoare annotation is: (and (not (= 0 main_~__tmp_3~0)) (< main_~main__i~0 main_~main__len~0) (= |old(~__return_334~0)| ~__return_334~0) (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)) [2020-07-18 00:50:51,869 INFO L271 CegarLoopResult]: At program point L308(line 308) the Hoare annotation is: true [2020-07-18 00:50:51,869 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)) [2020-07-18 00:50:51,869 INFO L264 CegarLoopResult]: At program point L176(line 176) the Hoare annotation is: false [2020-07-18 00:50:51,870 INFO L264 CegarLoopResult]: At program point L110(line 110) the Hoare annotation is: false [2020-07-18 00:50:51,870 INFO L264 CegarLoopResult]: At program point mainErr11ASSERT_VIOLATIONERROR_FUNCTION(line 203) the Hoare annotation is: false [2020-07-18 00:50:51,870 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)) [2020-07-18 00:50:51,870 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)) [2020-07-18 00:50:51,870 INFO L264 CegarLoopResult]: At program point mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 139) the Hoare annotation is: false [2020-07-18 00:50:51,870 INFO L264 CegarLoopResult]: At program point L243(line 243) the Hoare annotation is: false [2020-07-18 00:50:51,871 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)) [2020-07-18 00:50:51,871 INFO L264 CegarLoopResult]: At program point L111(line 111) the Hoare annotation is: false [2020-07-18 00:50:51,871 INFO L264 CegarLoopResult]: At program point L45(line 45) the Hoare annotation is: false [2020-07-18 00:50:51,871 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)) [2020-07-18 00:50:51,871 INFO L264 CegarLoopResult]: At program point L227(line 227) the Hoare annotation is: false [2020-07-18 00:50:51,872 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)) [2020-07-18 00:50:51,872 INFO L264 CegarLoopResult]: At program point L95(line 95) the Hoare annotation is: (and (not (= 0 main_~__tmp_3~0)) (< main_~main__i~0 main_~main__len~0) (= |old(~__return_334~0)| ~__return_334~0) (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)) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-18 00:50:51,872 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) (<= (+ 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) (= 1 main_~__tmp_2~0) (= 1 main_~__VERIFIER_assert__cond~1)) [2020-07-18 00:50:51,872 INFO L264 CegarLoopResult]: At program point mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 110) the Hoare annotation is: false [2020-07-18 00:50:51,872 INFO L264 CegarLoopResult]: At program point L244(line 244) the Hoare annotation is: false [2020-07-18 00:50:51,873 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)) [2020-07-18 00:50:51,873 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)) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (<= 0 main_~main__i~0) (= 1 main_~__VERIFIER_assert__cond~1) (= 1 main_~__tmp_2~0)) [2020-07-18 00:50:51,873 INFO L264 CegarLoopResult]: At program point L46(line 46) the Hoare annotation is: false [2020-07-18 00:50:51,873 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)) [2020-07-18 00:50:51,874 INFO L264 CegarLoopResult]: At program point L228(line 228) the Hoare annotation is: false [2020-07-18 00:50:51,874 INFO L264 CegarLoopResult]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 45) the Hoare annotation is: false [2020-07-18 00:50:51,874 INFO L264 CegarLoopResult]: At program point L96(lines 96 123) the Hoare annotation is: (and (not (= 0 main_~__tmp_3~0)) (< main_~main__i~0 main_~main__len~0) (= |old(~__return_334~0)| ~__return_334~0) (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)) [2020-07-18 00:50:51,874 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) (<= (+ 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) (= 1 main_~__tmp_2~0) (= 1 main_~__VERIFIER_assert__cond~1)) [2020-07-18 00:50:51,874 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)) [2020-07-18 00:50:51,874 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) (<= (+ 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) (= 1 main_~__tmp_2~0) (= 1 main_~__VERIFIER_assert__cond~1)) [2020-07-18 00:50:51,875 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 11 311) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-18 00:50:51,875 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) (<= (+ 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) (= 1 main_~__tmp_2~0) (= 1 main_~__VERIFIER_assert__cond~1)) [2020-07-18 00:50:51,875 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)) [2020-07-18 00:50:51,875 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) (<= (+ 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_~__VERIFIER_assert__cond~1) (= 1 main_~__tmp_2~0)) [2020-07-18 00:50:51,875 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)) [2020-07-18 00:50:51,876 INFO L264 CegarLoopResult]: At program point L14(line 14) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-18 00:50:51,876 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)))) [2020-07-18 00:50:51,876 INFO L264 CegarLoopResult]: At program point L163(line 163) the Hoare annotation is: false [2020-07-18 00:50:51,876 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) (<= (+ 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) (= 1 main_~__tmp_2~0) (= 1 main_~__VERIFIER_assert__cond~1)) [2020-07-18 00:50:51,876 INFO L264 CegarLoopResult]: At program point mainErr7ASSERT_VIOLATIONERROR_FUNCTION(line 151) the Hoare annotation is: false [2020-07-18 00:50:51,877 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)) [2020-07-18 00:50:51,877 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)) [2020-07-18 00:50:51,877 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)) [2020-07-18 00:50:51,877 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)) [2020-07-18 00:50:51,878 INFO L264 CegarLoopResult]: At program point L15(line 15) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-18 00:50:51,878 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)) [2020-07-18 00:50:51,878 INFO L264 CegarLoopResult]: At program point L164(line 164) the Hoare annotation is: false [2020-07-18 00:50:51,878 INFO L264 CegarLoopResult]: At program point L98(line 98) the Hoare annotation is: false [2020-07-18 00:50:51,878 INFO L264 CegarLoopResult]: At program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 74) the Hoare annotation is: false [2020-07-18 00:50:51,878 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)) [2020-07-18 00:50:51,879 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)) [2020-07-18 00:50:51,879 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)) [2020-07-18 00:50:51,879 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)) [2020-07-18 00:50:51,879 INFO L264 CegarLoopResult]: At program point L16(line 16) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-18 00:50:51,879 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)) [2020-07-18 00:50:51,880 INFO L264 CegarLoopResult]: At program point L99(line 99) the Hoare annotation is: false [2020-07-18 00:50:51,880 INFO L264 CegarLoopResult]: At program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 57) the Hoare annotation is: false [2020-07-18 00:50:51,880 INFO L264 CegarLoopResult]: At program point L215(line 215) the Hoare annotation is: false [2020-07-18 00:50:51,880 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)) (<= 1 main_~main__j~0) (< (+ main_~main__i~0 1) main_~main__len~0) (= 1 main_~__tmp_2~0)) [2020-07-18 00:50:51,880 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)) [2020-07-18 00:50:51,881 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)) [2020-07-18 00:50:51,881 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)) [2020-07-18 00:50:51,881 INFO L264 CegarLoopResult]: At program point L17(line 17) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-18 00:50:51,881 INFO L264 CegarLoopResult]: At program point L17-1(line 17) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-18 00:50:51,881 INFO L264 CegarLoopResult]: At program point L17-2(line 17) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-18 00:50:51,881 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)) [2020-07-18 00:50:51,882 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)) [2020-07-18 00:50:51,882 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) (<= (+ 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) (= 1 main_~__tmp_2~0) (= 1 main_~__VERIFIER_assert__cond~1)) [2020-07-18 00:50:51,882 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)) [2020-07-18 00:50:51,882 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)) [2020-07-18 00:50:51,882 INFO L264 CegarLoopResult]: At program point L216(line 216) the Hoare annotation is: false [2020-07-18 00:50:51,883 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)) (<= 1 main_~main__j~0) (< (+ main_~main__i~0 1) main_~main__len~0) (= 1 main_~__tmp_2~0)) [2020-07-18 00:50:51,883 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)) [2020-07-18 00:50:51,883 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)) [2020-07-18 00:50:51,883 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)) [2020-07-18 00:50:51,883 INFO L264 CegarLoopResult]: At program point L18(lines 18 310) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-18 00:50:51,883 INFO L264 CegarLoopResult]: At program point mainErr12ASSERT_VIOLATIONERROR_FUNCTION(line 215) the Hoare annotation is: false [2020-07-18 00:50:51,884 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)) [2020-07-18 00:50:51,884 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)) [2020-07-18 00:50:51,884 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)) (<= 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)) [2020-07-18 00:50:51,894 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2020-07-18 00:50:51,896 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2020-07-18 00:50:51,896 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2020-07-18 00:50:51,897 WARN L170 areAnnotationChecker]: L5-1 has no Hoare annotation [2020-07-18 00:50:51,897 WARN L170 areAnnotationChecker]: L5-3 has no Hoare annotation [2020-07-18 00:50:52,053 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. [2020-07-18 00:50:52,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.07 12:50:52 BoogieIcfgContainer [2020-07-18 00:50:52,072 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-18 00:50:52,074 INFO L168 Benchmark]: Toolchain (without parser) took 145658.55 ms. Allocated memory was 135.8 MB in the beginning and 589.3 MB in the end (delta: 453.5 MB). Free memory was 100.8 MB in the beginning and 491.6 MB in the end (delta: -390.8 MB). Peak memory consumption was 62.7 MB. Max. memory is 7.1 GB. [2020-07-18 00:50:52,075 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 135.8 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-18 00:50:52,076 INFO L168 Benchmark]: CACSL2BoogieTranslator took 548.48 ms. Allocated memory was 135.8 MB in the beginning and 199.8 MB in the end (delta: 64.0 MB). Free memory was 100.4 MB in the beginning and 178.6 MB in the end (delta: -78.2 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2020-07-18 00:50:52,076 INFO L168 Benchmark]: Boogie Preprocessor took 41.04 ms. Allocated memory is still 199.8 MB. Free memory was 178.6 MB in the beginning and 176.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-07-18 00:50:52,076 INFO L168 Benchmark]: RCFGBuilder took 861.48 ms. Allocated memory is still 199.8 MB. Free memory was 176.0 MB in the beginning and 122.6 MB in the end (delta: 53.4 MB). Peak memory consumption was 53.4 MB. Max. memory is 7.1 GB. [2020-07-18 00:50:52,077 INFO L168 Benchmark]: TraceAbstraction took 144199.36 ms. Allocated memory was 199.8 MB in the beginning and 589.3 MB in the end (delta: 389.5 MB). Free memory was 122.6 MB in the beginning and 491.6 MB in the end (delta: -369.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2020-07-18 00:50:52,079 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 0.19 ms. Allocated memory is still 135.8 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 548.48 ms. Allocated memory was 135.8 MB in the beginning and 199.8 MB in the end (delta: 64.0 MB). Free memory was 100.4 MB in the beginning and 178.6 MB in the end (delta: -78.2 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.04 ms. Allocated memory is still 199.8 MB. Free memory was 178.6 MB in the beginning and 176.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 861.48 ms. Allocated memory is still 199.8 MB. Free memory was 176.0 MB in the beginning and 122.6 MB in the end (delta: 53.4 MB). Peak memory consumption was 53.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 144199.36 ms. Allocated memory was 199.8 MB in the beginning and 589.3 MB in the end (delta: 389.5 MB). Free memory was 122.6 MB in the beginning and 491.6 MB in the end (delta: -369.0 MB). Peak memory consumption was 20.6 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: 105.4s, OverallIterations: 16, TraceHistogramMax: 1, AutomataDifference: 74.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 38.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3461 SDtfs, 8686 SDslu, 396 SDs, 0 SdLazy, 6219 SolverSat, 240 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 259 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 175 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 2.4s 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: 19.1s AutomataMinimizationTime, 16 MinimizatonAttempts, 1653 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 178 LocationsWithAnnotation, 178 PreInvPairs, 848 NumberOfFragments, 6575 HoareAnnotationTreeSize, 178 FomulaSimplifications, 3317376878 FormulaSimplificationTreeSizeReduction, 8.7s HoareSimplificationTime, 178 FomulaSimplificationsInter, 18240044 FormulaSimplificationTreeSizeReductionInter, 29.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, 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...