/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 06:35:29,930 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 06:35:29,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 06:35:29,958 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 06:35:29,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 06:35:29,961 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 06:35:29,963 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 06:35:29,978 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 06:35:29,980 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 06:35:29,982 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 06:35:29,985 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 06:35:29,987 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 06:35:29,988 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 06:35:29,991 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 06:35:29,995 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 06:35:29,997 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 06:35:30,000 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 06:35:30,004 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 06:35:30,005 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 06:35:30,012 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 06:35:30,016 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 06:35:30,019 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 06:35:30,021 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 06:35:30,022 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 06:35:30,025 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-18 06:35:30,025 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-18 06:35:30,026 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-18 06:35:30,029 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-18 06:35:30,030 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-18 06:35:30,032 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-18 06:35:30,033 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-18 06:35:30,034 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-18 06:35:30,036 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-18 06:35:30,037 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-18 06:35:30,038 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-18 06:35:30,038 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-18 06:35:30,042 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-18 06:35:30,042 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-18 06:35:30,042 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 06:35:30,043 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 06:35:30,045 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 06:35:30,046 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 06:35:30,059 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 06:35:30,060 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 06:35:30,063 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 06:35:30,063 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 06:35:30,064 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 06:35:30,064 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 06:35:30,064 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 06:35:30,064 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 06:35:30,064 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 06:35:30,065 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 06:35:30,066 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 06:35:30,066 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 06:35:30,066 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 06:35:30,067 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 06:35:30,067 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 06:35:30,067 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 06:35:30,068 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 06:35:30,068 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 06:35:30,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 06:35:30,068 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 06:35:30,068 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 06:35:30,069 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 06:35:30,069 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-18 06:35:30,380 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 06:35:30,410 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 06:35:30,415 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 06:35:30,417 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 06:35:30,417 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 06:35:30,419 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2020-07-18 06:35:30,521 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b39ffdd81/2c8417f81a7c47c1b132fb9ee4ab9ba5/FLAG864c18d05 [2020-07-18 06:35:31,103 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 06:35:31,104 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2020-07-18 06:35:31,114 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b39ffdd81/2c8417f81a7c47c1b132fb9ee4ab9ba5/FLAG864c18d05 [2020-07-18 06:35:31,441 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b39ffdd81/2c8417f81a7c47c1b132fb9ee4ab9ba5 [2020-07-18 06:35:31,457 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 06:35:31,461 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 06:35:31,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 06:35:31,462 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 06:35:31,467 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 06:35:31,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 06:35:31" (1/1) ... [2020-07-18 06:35:31,473 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@447c0c95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:35:31, skipping insertion in model container [2020-07-18 06:35:31,473 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 06:35:31" (1/1) ... [2020-07-18 06:35:31,483 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 06:35:31,525 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 06:35:31,830 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 06:35:31,844 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 06:35:31,970 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 06:35:31,990 INFO L208 MainTranslator]: Completed translation [2020-07-18 06:35:31,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:35:31 WrapperNode [2020-07-18 06:35:31,991 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 06:35:31,993 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 06:35:31,993 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 06:35:31,993 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 06:35:32,155 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:35:31" (1/1) ... [2020-07-18 06:35:32,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:35:31" (1/1) ... [2020-07-18 06:35:32,180 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:35:31" (1/1) ... [2020-07-18 06:35:32,180 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:35:31" (1/1) ... [2020-07-18 06:35:32,193 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:35:31" (1/1) ... [2020-07-18 06:35:32,201 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:35:31" (1/1) ... [2020-07-18 06:35:32,203 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:35:31" (1/1) ... [2020-07-18 06:35:32,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 06:35:32,208 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 06:35:32,208 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 06:35:32,208 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 06:35:32,210 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:35:31" (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 06:35:32,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 06:35:32,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 06:35:32,290 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-18 06:35:32,290 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 06:35:32,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 06:35:32,291 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-18 06:35:32,291 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-18 06:35:32,291 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-18 06:35:32,291 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-18 06:35:32,291 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 06:35:32,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 06:35:32,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 06:35:33,155 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 06:35:33,155 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-18 06:35:33,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 06:35:33 BoogieIcfgContainer [2020-07-18 06:35:33,163 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 06:35:33,165 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 06:35:33,165 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 06:35:33,170 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 06:35:33,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 06:35:31" (1/3) ... [2020-07-18 06:35:33,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3411dd2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 06:35:33, skipping insertion in model container [2020-07-18 06:35:33,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:35:31" (2/3) ... [2020-07-18 06:35:33,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3411dd2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 06:35:33, skipping insertion in model container [2020-07-18 06:35:33,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 06:35:33" (3/3) ... [2020-07-18 06:35:33,176 INFO L109 eAbstractionObserver]: Analyzing ICFG SpamAssassin-loop.i.v+cfa-reducer.c [2020-07-18 06:35:33,192 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 06:35:33,203 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 16 error locations. [2020-07-18 06:35:33,226 INFO L251 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2020-07-18 06:35:33,258 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 06:35:33,258 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 06:35:33,259 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-18 06:35:33,259 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 06:35:33,259 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 06:35:33,259 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 06:35:33,259 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 06:35:33,260 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 06:35:33,287 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states. [2020-07-18 06:35:33,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-07-18 06:35:33,303 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 06:35:33,304 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 06:35:33,305 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 06:35:33,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 06:35:33,313 INFO L82 PathProgramCache]: Analyzing trace with hash -2057699390, now seen corresponding path program 1 times [2020-07-18 06:35:33,325 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 06:35:33,325 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [894701004] [2020-07-18 06:35:33,326 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 06:35:33,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:33,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:33,682 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 06:35:33,683 INFO L280 TraceCheckUtils]: 1: Hoare triple {181#true} ~__return_334~0 := 0; {181#true} is VALID [2020-07-18 06:35:33,684 INFO L280 TraceCheckUtils]: 2: Hoare triple {181#true} assume true; {181#true} is VALID [2020-07-18 06:35:33,684 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {181#true} {181#true} #261#return; {181#true} is VALID [2020-07-18 06:35:33,689 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 06:35:33,690 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 06:35:33,690 INFO L280 TraceCheckUtils]: 2: Hoare triple {181#true} ~__return_334~0 := 0; {181#true} is VALID [2020-07-18 06:35:33,691 INFO L280 TraceCheckUtils]: 3: Hoare triple {181#true} assume true; {181#true} is VALID [2020-07-18 06:35:33,691 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {181#true} {181#true} #261#return; {181#true} is VALID [2020-07-18 06:35:33,692 INFO L263 TraceCheckUtils]: 5: Hoare triple {181#true} call #t~ret3 := main(); {181#true} is VALID [2020-07-18 06:35:33,692 INFO L280 TraceCheckUtils]: 6: Hoare triple {181#true} havoc ~main__len~0; {181#true} is VALID [2020-07-18 06:35:33,693 INFO L280 TraceCheckUtils]: 7: Hoare triple {181#true} havoc ~main__i~0; {181#true} is VALID [2020-07-18 06:35:33,693 INFO L280 TraceCheckUtils]: 8: Hoare triple {181#true} havoc ~main__j~0; {181#true} is VALID [2020-07-18 06:35:33,694 INFO L280 TraceCheckUtils]: 9: Hoare triple {181#true} havoc ~main__bufsize~0; {181#true} is VALID [2020-07-18 06:35:33,694 INFO L280 TraceCheckUtils]: 10: Hoare triple {181#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {181#true} is VALID [2020-07-18 06:35:33,694 INFO L280 TraceCheckUtils]: 11: Hoare triple {181#true} ~main__bufsize~0 := #t~nondet0; {181#true} is VALID [2020-07-18 06:35:33,695 INFO L280 TraceCheckUtils]: 12: Hoare triple {181#true} havoc #t~nondet0; {181#true} is VALID [2020-07-18 06:35:33,695 INFO L280 TraceCheckUtils]: 13: Hoare triple {181#true} assume !(~main__bufsize~0 < 0); {181#true} is VALID [2020-07-18 06:35:33,696 INFO L280 TraceCheckUtils]: 14: Hoare triple {181#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {181#true} is VALID [2020-07-18 06:35:33,696 INFO L280 TraceCheckUtils]: 15: Hoare triple {181#true} ~main__len~0 := #t~nondet1; {181#true} is VALID [2020-07-18 06:35:33,697 INFO L280 TraceCheckUtils]: 16: Hoare triple {181#true} havoc #t~nondet1; {181#true} is VALID [2020-07-18 06:35:33,697 INFO L280 TraceCheckUtils]: 17: Hoare triple {181#true} ~main__limit~0 := ~main__bufsize~0 - 4; {181#true} is VALID [2020-07-18 06:35:33,698 INFO L280 TraceCheckUtils]: 18: Hoare triple {181#true} ~main__i~0 := 0; {181#true} is VALID [2020-07-18 06:35:33,700 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 06:35:33,701 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 06:35:33,703 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 06:35:33,704 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 06:35:33,706 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 06:35:33,707 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 06:35:33,709 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 06:35:33,711 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 06:35:33,713 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 06:35:33,714 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 06:35:33,715 INFO L280 TraceCheckUtils]: 29: Hoare triple {182#false} assume !false; {182#false} is VALID [2020-07-18 06:35:33,721 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 06:35:33,722 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [894701004] [2020-07-18 06:35:33,725 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 06:35:33,726 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-18 06:35:33,728 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437525451] [2020-07-18 06:35:33,738 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2020-07-18 06:35:33,742 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 06:35:33,747 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-18 06:35:33,811 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 06:35:33,812 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-18 06:35:33,812 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 06:35:33,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-18 06:35:33,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-18 06:35:33,830 INFO L87 Difference]: Start difference. First operand 178 states. Second operand 6 states. [2020-07-18 06:35:36,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:35:36,887 INFO L93 Difference]: Finished difference Result 435 states and 497 transitions. [2020-07-18 06:35:36,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-18 06:35:36,887 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2020-07-18 06:35:36,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 06:35:36,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-18 06:35:36,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 497 transitions. [2020-07-18 06:35:36,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-18 06:35:36,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 497 transitions. [2020-07-18 06:35:36,932 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 497 transitions. [2020-07-18 06:35:37,646 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 06:35:37,695 INFO L225 Difference]: With dead ends: 435 [2020-07-18 06:35:37,695 INFO L226 Difference]: Without dead ends: 264 [2020-07-18 06:35:37,714 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-07-18 06:35:37,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2020-07-18 06:35:38,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 154. [2020-07-18 06:35:38,264 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 06:35:38,265 INFO L82 GeneralOperation]: Start isEquivalent. First operand 264 states. Second operand 154 states. [2020-07-18 06:35:38,266 INFO L74 IsIncluded]: Start isIncluded. First operand 264 states. Second operand 154 states. [2020-07-18 06:35:38,266 INFO L87 Difference]: Start difference. First operand 264 states. Second operand 154 states. [2020-07-18 06:35:38,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:35:38,295 INFO L93 Difference]: Finished difference Result 264 states and 272 transitions. [2020-07-18 06:35:38,296 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 272 transitions. [2020-07-18 06:35:38,299 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:35:38,300 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:35:38,300 INFO L74 IsIncluded]: Start isIncluded. First operand 154 states. Second operand 264 states. [2020-07-18 06:35:38,300 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 264 states. [2020-07-18 06:35:38,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:35:38,329 INFO L93 Difference]: Finished difference Result 264 states and 272 transitions. [2020-07-18 06:35:38,329 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 272 transitions. [2020-07-18 06:35:38,332 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:35:38,333 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:35:38,333 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 06:35:38,333 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 06:35:38,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-07-18 06:35:38,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 158 transitions. [2020-07-18 06:35:38,347 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 158 transitions. Word has length 30 [2020-07-18 06:35:38,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 06:35:38,348 INFO L479 AbstractCegarLoop]: Abstraction has 154 states and 158 transitions. [2020-07-18 06:35:38,348 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-18 06:35:38,348 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 154 states and 158 transitions. [2020-07-18 06:35:38,636 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 06:35:38,636 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 158 transitions. [2020-07-18 06:35:38,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-07-18 06:35:38,637 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 06:35:38,638 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 06:35:38,638 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 06:35:38,638 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 06:35:38,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 06:35:38,639 INFO L82 PathProgramCache]: Analyzing trace with hash 1575143415, now seen corresponding path program 1 times [2020-07-18 06:35:38,639 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 06:35:38,640 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2119421630] [2020-07-18 06:35:38,640 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 06:35:38,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:38,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:38,770 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 06:35:38,771 INFO L280 TraceCheckUtils]: 1: Hoare triple {1911#true} ~__return_334~0 := 0; {1911#true} is VALID [2020-07-18 06:35:38,771 INFO L280 TraceCheckUtils]: 2: Hoare triple {1911#true} assume true; {1911#true} is VALID [2020-07-18 06:35:38,771 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1911#true} {1911#true} #261#return; {1911#true} is VALID [2020-07-18 06:35:38,773 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 06:35:38,773 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 06:35:38,774 INFO L280 TraceCheckUtils]: 2: Hoare triple {1911#true} ~__return_334~0 := 0; {1911#true} is VALID [2020-07-18 06:35:38,774 INFO L280 TraceCheckUtils]: 3: Hoare triple {1911#true} assume true; {1911#true} is VALID [2020-07-18 06:35:38,775 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1911#true} {1911#true} #261#return; {1911#true} is VALID [2020-07-18 06:35:38,775 INFO L263 TraceCheckUtils]: 5: Hoare triple {1911#true} call #t~ret3 := main(); {1911#true} is VALID [2020-07-18 06:35:38,775 INFO L280 TraceCheckUtils]: 6: Hoare triple {1911#true} havoc ~main__len~0; {1911#true} is VALID [2020-07-18 06:35:38,776 INFO L280 TraceCheckUtils]: 7: Hoare triple {1911#true} havoc ~main__i~0; {1911#true} is VALID [2020-07-18 06:35:38,776 INFO L280 TraceCheckUtils]: 8: Hoare triple {1911#true} havoc ~main__j~0; {1911#true} is VALID [2020-07-18 06:35:38,776 INFO L280 TraceCheckUtils]: 9: Hoare triple {1911#true} havoc ~main__bufsize~0; {1911#true} is VALID [2020-07-18 06:35:38,777 INFO L280 TraceCheckUtils]: 10: Hoare triple {1911#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {1911#true} is VALID [2020-07-18 06:35:38,777 INFO L280 TraceCheckUtils]: 11: Hoare triple {1911#true} ~main__bufsize~0 := #t~nondet0; {1911#true} is VALID [2020-07-18 06:35:38,777 INFO L280 TraceCheckUtils]: 12: Hoare triple {1911#true} havoc #t~nondet0; {1911#true} is VALID [2020-07-18 06:35:38,778 INFO L280 TraceCheckUtils]: 13: Hoare triple {1911#true} assume !(~main__bufsize~0 < 0); {1911#true} is VALID [2020-07-18 06:35:38,778 INFO L280 TraceCheckUtils]: 14: Hoare triple {1911#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {1911#true} is VALID [2020-07-18 06:35:38,778 INFO L280 TraceCheckUtils]: 15: Hoare triple {1911#true} ~main__len~0 := #t~nondet1; {1911#true} is VALID [2020-07-18 06:35:38,778 INFO L280 TraceCheckUtils]: 16: Hoare triple {1911#true} havoc #t~nondet1; {1911#true} is VALID [2020-07-18 06:35:38,779 INFO L280 TraceCheckUtils]: 17: Hoare triple {1911#true} ~main__limit~0 := ~main__bufsize~0 - 4; {1911#true} is VALID [2020-07-18 06:35:38,779 INFO L280 TraceCheckUtils]: 18: Hoare triple {1911#true} ~main__i~0 := 0; {1911#true} is VALID [2020-07-18 06:35:38,779 INFO L280 TraceCheckUtils]: 19: Hoare triple {1911#true} assume ~main__i~0 < ~main__len~0; {1911#true} is VALID [2020-07-18 06:35:38,780 INFO L280 TraceCheckUtils]: 20: Hoare triple {1911#true} ~main__j~0 := 0; {1911#true} is VALID [2020-07-18 06:35:38,780 INFO L280 TraceCheckUtils]: 21: Hoare triple {1911#true} assume ~main__i~0 < ~main__len~0; {1911#true} is VALID [2020-07-18 06:35:38,780 INFO L280 TraceCheckUtils]: 22: Hoare triple {1911#true} assume ~main__j~0 < ~main__limit~0; {1911#true} is VALID [2020-07-18 06:35:38,781 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 06:35:38,782 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 06:35:38,783 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 06:35:38,785 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 06:35:38,786 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 06:35:38,787 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 06:35:38,787 INFO L280 TraceCheckUtils]: 29: Hoare triple {1912#false} assume !false; {1912#false} is VALID [2020-07-18 06:35:38,789 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 06:35:38,790 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2119421630] [2020-07-18 06:35:38,790 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 06:35:38,790 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-18 06:35:38,791 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72148106] [2020-07-18 06:35:38,793 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2020-07-18 06:35:38,793 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 06:35:38,794 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-18 06:35:38,826 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 06:35:38,827 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-18 06:35:38,827 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 06:35:38,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-18 06:35:38,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-18 06:35:38,828 INFO L87 Difference]: Start difference. First operand 154 states and 158 transitions. Second operand 6 states. [2020-07-18 06:35:40,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:35:40,786 INFO L93 Difference]: Finished difference Result 223 states and 230 transitions. [2020-07-18 06:35:40,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-18 06:35:40,786 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2020-07-18 06:35:40,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 06:35:40,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-18 06:35:40,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 228 transitions. [2020-07-18 06:35:40,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-18 06:35:40,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 228 transitions. [2020-07-18 06:35:40,797 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 228 transitions. [2020-07-18 06:35:41,119 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 06:35:41,125 INFO L225 Difference]: With dead ends: 223 [2020-07-18 06:35:41,126 INFO L226 Difference]: Without dead ends: 221 [2020-07-18 06:35:41,127 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 06:35:41,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2020-07-18 06:35:41,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 152. [2020-07-18 06:35:41,708 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 06:35:41,708 INFO L82 GeneralOperation]: Start isEquivalent. First operand 221 states. Second operand 152 states. [2020-07-18 06:35:41,708 INFO L74 IsIncluded]: Start isIncluded. First operand 221 states. Second operand 152 states. [2020-07-18 06:35:41,708 INFO L87 Difference]: Start difference. First operand 221 states. Second operand 152 states. [2020-07-18 06:35:41,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:35:41,720 INFO L93 Difference]: Finished difference Result 221 states and 228 transitions. [2020-07-18 06:35:41,720 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 228 transitions. [2020-07-18 06:35:41,728 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:35:41,729 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:35:41,729 INFO L74 IsIncluded]: Start isIncluded. First operand 152 states. Second operand 221 states. [2020-07-18 06:35:41,729 INFO L87 Difference]: Start difference. First operand 152 states. Second operand 221 states. [2020-07-18 06:35:41,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:35:41,738 INFO L93 Difference]: Finished difference Result 221 states and 228 transitions. [2020-07-18 06:35:41,738 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 228 transitions. [2020-07-18 06:35:41,739 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:35:41,740 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:35:41,740 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 06:35:41,740 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 06:35:41,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-07-18 06:35:41,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 156 transitions. [2020-07-18 06:35:41,746 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 156 transitions. Word has length 30 [2020-07-18 06:35:41,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 06:35:41,747 INFO L479 AbstractCegarLoop]: Abstraction has 152 states and 156 transitions. [2020-07-18 06:35:41,747 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-18 06:35:41,747 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 152 states and 156 transitions. [2020-07-18 06:35:42,050 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 06:35:42,050 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 156 transitions. [2020-07-18 06:35:42,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-07-18 06:35:42,052 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 06:35:42,052 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 06:35:42,052 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-18 06:35:42,053 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 06:35:42,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 06:35:42,054 INFO L82 PathProgramCache]: Analyzing trace with hash 949374873, now seen corresponding path program 1 times [2020-07-18 06:35:42,054 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 06:35:42,054 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [537083729] [2020-07-18 06:35:42,055 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 06:35:42,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:42,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:42,173 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 06:35:42,173 INFO L280 TraceCheckUtils]: 1: Hoare triple {3126#true} ~__return_334~0 := 0; {3126#true} is VALID [2020-07-18 06:35:42,174 INFO L280 TraceCheckUtils]: 2: Hoare triple {3126#true} assume true; {3126#true} is VALID [2020-07-18 06:35:42,174 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3126#true} {3126#true} #261#return; {3126#true} is VALID [2020-07-18 06:35:42,176 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 06:35:42,177 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 06:35:42,177 INFO L280 TraceCheckUtils]: 2: Hoare triple {3126#true} ~__return_334~0 := 0; {3126#true} is VALID [2020-07-18 06:35:42,177 INFO L280 TraceCheckUtils]: 3: Hoare triple {3126#true} assume true; {3126#true} is VALID [2020-07-18 06:35:42,177 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3126#true} {3126#true} #261#return; {3126#true} is VALID [2020-07-18 06:35:42,177 INFO L263 TraceCheckUtils]: 5: Hoare triple {3126#true} call #t~ret3 := main(); {3126#true} is VALID [2020-07-18 06:35:42,178 INFO L280 TraceCheckUtils]: 6: Hoare triple {3126#true} havoc ~main__len~0; {3126#true} is VALID [2020-07-18 06:35:42,178 INFO L280 TraceCheckUtils]: 7: Hoare triple {3126#true} havoc ~main__i~0; {3126#true} is VALID [2020-07-18 06:35:42,178 INFO L280 TraceCheckUtils]: 8: Hoare triple {3126#true} havoc ~main__j~0; {3126#true} is VALID [2020-07-18 06:35:42,178 INFO L280 TraceCheckUtils]: 9: Hoare triple {3126#true} havoc ~main__bufsize~0; {3126#true} is VALID [2020-07-18 06:35:42,178 INFO L280 TraceCheckUtils]: 10: Hoare triple {3126#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {3126#true} is VALID [2020-07-18 06:35:42,179 INFO L280 TraceCheckUtils]: 11: Hoare triple {3126#true} ~main__bufsize~0 := #t~nondet0; {3126#true} is VALID [2020-07-18 06:35:42,179 INFO L280 TraceCheckUtils]: 12: Hoare triple {3126#true} havoc #t~nondet0; {3126#true} is VALID [2020-07-18 06:35:42,179 INFO L280 TraceCheckUtils]: 13: Hoare triple {3126#true} assume !(~main__bufsize~0 < 0); {3126#true} is VALID [2020-07-18 06:35:42,179 INFO L280 TraceCheckUtils]: 14: Hoare triple {3126#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {3126#true} is VALID [2020-07-18 06:35:42,180 INFO L280 TraceCheckUtils]: 15: Hoare triple {3126#true} ~main__len~0 := #t~nondet1; {3126#true} is VALID [2020-07-18 06:35:42,180 INFO L280 TraceCheckUtils]: 16: Hoare triple {3126#true} havoc #t~nondet1; {3126#true} is VALID [2020-07-18 06:35:42,180 INFO L280 TraceCheckUtils]: 17: Hoare triple {3126#true} ~main__limit~0 := ~main__bufsize~0 - 4; {3126#true} is VALID [2020-07-18 06:35:42,185 INFO L280 TraceCheckUtils]: 18: Hoare triple {3126#true} ~main__i~0 := 0; {3132#(<= 0 main_~main__i~0)} is VALID [2020-07-18 06:35:42,185 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 06:35:42,191 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 06:35:42,192 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 06:35:42,192 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 06:35:42,193 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 06:35:42,194 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 06:35:42,195 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 06:35:42,195 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 06:35:42,196 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 06:35:42,196 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 06:35:42,197 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 06:35:42,197 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 06:35:42,198 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 06:35:42,199 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 06:35:42,200 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 06:35:42,200 INFO L280 TraceCheckUtils]: 34: Hoare triple {3127#false} assume !false; {3127#false} is VALID [2020-07-18 06:35:42,202 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 06:35:42,203 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [537083729] [2020-07-18 06:35:42,203 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 06:35:42,203 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-18 06:35:42,204 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058608540] [2020-07-18 06:35:42,204 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-07-18 06:35:42,205 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 06:35:42,205 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-18 06:35:42,241 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 06:35:42,241 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-18 06:35:42,242 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 06:35:42,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-18 06:35:42,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-18 06:35:42,243 INFO L87 Difference]: Start difference. First operand 152 states and 156 transitions. Second operand 6 states. [2020-07-18 06:35:44,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:35:44,720 INFO L93 Difference]: Finished difference Result 263 states and 271 transitions. [2020-07-18 06:35:44,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-18 06:35:44,721 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-07-18 06:35:44,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 06:35:44,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-18 06:35:44,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 269 transitions. [2020-07-18 06:35:44,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-18 06:35:44,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 269 transitions. [2020-07-18 06:35:44,731 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 269 transitions. [2020-07-18 06:35:45,167 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 06:35:45,175 INFO L225 Difference]: With dead ends: 263 [2020-07-18 06:35:45,175 INFO L226 Difference]: Without dead ends: 261 [2020-07-18 06:35:45,176 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-07-18 06:35:45,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2020-07-18 06:35:45,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 150. [2020-07-18 06:35:45,911 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 06:35:45,911 INFO L82 GeneralOperation]: Start isEquivalent. First operand 261 states. Second operand 150 states. [2020-07-18 06:35:45,911 INFO L74 IsIncluded]: Start isIncluded. First operand 261 states. Second operand 150 states. [2020-07-18 06:35:45,911 INFO L87 Difference]: Start difference. First operand 261 states. Second operand 150 states. [2020-07-18 06:35:45,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:35:45,920 INFO L93 Difference]: Finished difference Result 261 states and 269 transitions. [2020-07-18 06:35:45,921 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 269 transitions. [2020-07-18 06:35:45,921 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:35:45,922 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:35:45,922 INFO L74 IsIncluded]: Start isIncluded. First operand 150 states. Second operand 261 states. [2020-07-18 06:35:45,922 INFO L87 Difference]: Start difference. First operand 150 states. Second operand 261 states. [2020-07-18 06:35:45,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:35:45,932 INFO L93 Difference]: Finished difference Result 261 states and 269 transitions. [2020-07-18 06:35:45,932 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 269 transitions. [2020-07-18 06:35:45,933 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:35:45,933 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:35:45,934 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 06:35:45,934 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 06:35:45,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-07-18 06:35:45,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 154 transitions. [2020-07-18 06:35:45,939 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 154 transitions. Word has length 35 [2020-07-18 06:35:45,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 06:35:45,940 INFO L479 AbstractCegarLoop]: Abstraction has 150 states and 154 transitions. [2020-07-18 06:35:45,940 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-18 06:35:45,940 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 150 states and 154 transitions. [2020-07-18 06:35:46,310 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 06:35:46,311 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 154 transitions. [2020-07-18 06:35:46,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-07-18 06:35:46,312 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 06:35:46,313 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 06:35:46,313 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-18 06:35:46,313 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 06:35:46,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 06:35:46,314 INFO L82 PathProgramCache]: Analyzing trace with hash 386303974, now seen corresponding path program 1 times [2020-07-18 06:35:46,314 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 06:35:46,314 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1175398802] [2020-07-18 06:35:46,314 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 06:35:46,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:46,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:46,428 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 06:35:46,428 INFO L280 TraceCheckUtils]: 1: Hoare triple {4494#true} ~__return_334~0 := 0; {4494#true} is VALID [2020-07-18 06:35:46,429 INFO L280 TraceCheckUtils]: 2: Hoare triple {4494#true} assume true; {4494#true} is VALID [2020-07-18 06:35:46,429 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4494#true} {4494#true} #261#return; {4494#true} is VALID [2020-07-18 06:35:46,430 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 06:35:46,430 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 06:35:46,430 INFO L280 TraceCheckUtils]: 2: Hoare triple {4494#true} ~__return_334~0 := 0; {4494#true} is VALID [2020-07-18 06:35:46,430 INFO L280 TraceCheckUtils]: 3: Hoare triple {4494#true} assume true; {4494#true} is VALID [2020-07-18 06:35:46,431 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4494#true} {4494#true} #261#return; {4494#true} is VALID [2020-07-18 06:35:46,431 INFO L263 TraceCheckUtils]: 5: Hoare triple {4494#true} call #t~ret3 := main(); {4494#true} is VALID [2020-07-18 06:35:46,431 INFO L280 TraceCheckUtils]: 6: Hoare triple {4494#true} havoc ~main__len~0; {4494#true} is VALID [2020-07-18 06:35:46,431 INFO L280 TraceCheckUtils]: 7: Hoare triple {4494#true} havoc ~main__i~0; {4494#true} is VALID [2020-07-18 06:35:46,431 INFO L280 TraceCheckUtils]: 8: Hoare triple {4494#true} havoc ~main__j~0; {4494#true} is VALID [2020-07-18 06:35:46,432 INFO L280 TraceCheckUtils]: 9: Hoare triple {4494#true} havoc ~main__bufsize~0; {4494#true} is VALID [2020-07-18 06:35:46,432 INFO L280 TraceCheckUtils]: 10: Hoare triple {4494#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {4494#true} is VALID [2020-07-18 06:35:46,432 INFO L280 TraceCheckUtils]: 11: Hoare triple {4494#true} ~main__bufsize~0 := #t~nondet0; {4494#true} is VALID [2020-07-18 06:35:46,432 INFO L280 TraceCheckUtils]: 12: Hoare triple {4494#true} havoc #t~nondet0; {4494#true} is VALID [2020-07-18 06:35:46,433 INFO L280 TraceCheckUtils]: 13: Hoare triple {4494#true} assume !(~main__bufsize~0 < 0); {4494#true} is VALID [2020-07-18 06:35:46,433 INFO L280 TraceCheckUtils]: 14: Hoare triple {4494#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {4494#true} is VALID [2020-07-18 06:35:46,433 INFO L280 TraceCheckUtils]: 15: Hoare triple {4494#true} ~main__len~0 := #t~nondet1; {4494#true} is VALID [2020-07-18 06:35:46,434 INFO L280 TraceCheckUtils]: 16: Hoare triple {4494#true} havoc #t~nondet1; {4494#true} is VALID [2020-07-18 06:35:46,434 INFO L280 TraceCheckUtils]: 17: Hoare triple {4494#true} ~main__limit~0 := ~main__bufsize~0 - 4; {4494#true} is VALID [2020-07-18 06:35:46,438 INFO L280 TraceCheckUtils]: 18: Hoare triple {4494#true} ~main__i~0 := 0; {4500#(<= 0 main_~main__i~0)} is VALID [2020-07-18 06:35:46,439 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 06:35:46,440 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 06:35:46,441 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 06:35:46,442 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 06:35:46,442 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 06:35:46,443 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 06:35:46,444 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 06:35:46,445 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 06:35:46,445 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 06:35:46,446 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 06:35:46,447 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 06:35:46,448 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 06:35:46,449 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 06:35:46,450 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 06:35:46,451 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 06:35:46,451 INFO L280 TraceCheckUtils]: 34: Hoare triple {4495#false} assume !false; {4495#false} is VALID [2020-07-18 06:35:46,463 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 06:35:46,464 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1175398802] [2020-07-18 06:35:46,464 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 06:35:46,464 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-18 06:35:46,465 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314801255] [2020-07-18 06:35:46,465 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-07-18 06:35:46,466 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 06:35:46,466 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-18 06:35:46,507 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 06:35:46,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-18 06:35:46,508 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 06:35:46,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-18 06:35:46,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-18 06:35:46,509 INFO L87 Difference]: Start difference. First operand 150 states and 154 transitions. Second operand 6 states. [2020-07-18 06:35:48,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:35:48,258 INFO L93 Difference]: Finished difference Result 192 states and 199 transitions. [2020-07-18 06:35:48,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-18 06:35:48,258 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-07-18 06:35:48,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 06:35:48,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-18 06:35:48,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 197 transitions. [2020-07-18 06:35:48,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-18 06:35:48,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 197 transitions. [2020-07-18 06:35:48,266 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 197 transitions. [2020-07-18 06:35:48,555 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 06:35:48,560 INFO L225 Difference]: With dead ends: 192 [2020-07-18 06:35:48,560 INFO L226 Difference]: Without dead ends: 190 [2020-07-18 06:35:48,561 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-07-18 06:35:48,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2020-07-18 06:35:49,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 148. [2020-07-18 06:35:49,399 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 06:35:49,399 INFO L82 GeneralOperation]: Start isEquivalent. First operand 190 states. Second operand 148 states. [2020-07-18 06:35:49,399 INFO L74 IsIncluded]: Start isIncluded. First operand 190 states. Second operand 148 states. [2020-07-18 06:35:49,400 INFO L87 Difference]: Start difference. First operand 190 states. Second operand 148 states. [2020-07-18 06:35:49,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:35:49,406 INFO L93 Difference]: Finished difference Result 190 states and 197 transitions. [2020-07-18 06:35:49,406 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 197 transitions. [2020-07-18 06:35:49,406 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:35:49,406 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:35:49,407 INFO L74 IsIncluded]: Start isIncluded. First operand 148 states. Second operand 190 states. [2020-07-18 06:35:49,407 INFO L87 Difference]: Start difference. First operand 148 states. Second operand 190 states. [2020-07-18 06:35:49,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:35:49,413 INFO L93 Difference]: Finished difference Result 190 states and 197 transitions. [2020-07-18 06:35:49,414 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 197 transitions. [2020-07-18 06:35:49,414 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:35:49,414 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:35:49,415 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 06:35:49,415 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 06:35:49,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-07-18 06:35:49,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 152 transitions. [2020-07-18 06:35:49,420 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 152 transitions. Word has length 35 [2020-07-18 06:35:49,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 06:35:49,421 INFO L479 AbstractCegarLoop]: Abstraction has 148 states and 152 transitions. [2020-07-18 06:35:49,421 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-18 06:35:49,421 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 148 states and 152 transitions. [2020-07-18 06:35:49,820 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 06:35:49,820 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 152 transitions. [2020-07-18 06:35:49,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-07-18 06:35:49,821 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 06:35:49,821 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 06:35:49,822 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-18 06:35:49,822 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 06:35:49,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 06:35:49,822 INFO L82 PathProgramCache]: Analyzing trace with hash 1765112685, now seen corresponding path program 1 times [2020-07-18 06:35:49,823 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 06:35:49,823 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [489583805] [2020-07-18 06:35:49,823 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 06:35:49,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:49,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:49,960 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 06:35:49,961 INFO L280 TraceCheckUtils]: 1: Hoare triple {5574#true} ~__return_334~0 := 0; {5574#true} is VALID [2020-07-18 06:35:49,961 INFO L280 TraceCheckUtils]: 2: Hoare triple {5574#true} assume true; {5574#true} is VALID [2020-07-18 06:35:49,961 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {5574#true} {5574#true} #261#return; {5574#true} is VALID [2020-07-18 06:35:49,963 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 06:35:49,963 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 06:35:49,963 INFO L280 TraceCheckUtils]: 2: Hoare triple {5574#true} ~__return_334~0 := 0; {5574#true} is VALID [2020-07-18 06:35:49,963 INFO L280 TraceCheckUtils]: 3: Hoare triple {5574#true} assume true; {5574#true} is VALID [2020-07-18 06:35:49,963 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {5574#true} {5574#true} #261#return; {5574#true} is VALID [2020-07-18 06:35:49,964 INFO L263 TraceCheckUtils]: 5: Hoare triple {5574#true} call #t~ret3 := main(); {5574#true} is VALID [2020-07-18 06:35:49,964 INFO L280 TraceCheckUtils]: 6: Hoare triple {5574#true} havoc ~main__len~0; {5574#true} is VALID [2020-07-18 06:35:49,964 INFO L280 TraceCheckUtils]: 7: Hoare triple {5574#true} havoc ~main__i~0; {5574#true} is VALID [2020-07-18 06:35:49,964 INFO L280 TraceCheckUtils]: 8: Hoare triple {5574#true} havoc ~main__j~0; {5574#true} is VALID [2020-07-18 06:35:49,964 INFO L280 TraceCheckUtils]: 9: Hoare triple {5574#true} havoc ~main__bufsize~0; {5574#true} is VALID [2020-07-18 06:35:49,965 INFO L280 TraceCheckUtils]: 10: Hoare triple {5574#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {5574#true} is VALID [2020-07-18 06:35:49,965 INFO L280 TraceCheckUtils]: 11: Hoare triple {5574#true} ~main__bufsize~0 := #t~nondet0; {5574#true} is VALID [2020-07-18 06:35:49,965 INFO L280 TraceCheckUtils]: 12: Hoare triple {5574#true} havoc #t~nondet0; {5574#true} is VALID [2020-07-18 06:35:49,965 INFO L280 TraceCheckUtils]: 13: Hoare triple {5574#true} assume !(~main__bufsize~0 < 0); {5574#true} is VALID [2020-07-18 06:35:49,965 INFO L280 TraceCheckUtils]: 14: Hoare triple {5574#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {5574#true} is VALID [2020-07-18 06:35:49,965 INFO L280 TraceCheckUtils]: 15: Hoare triple {5574#true} ~main__len~0 := #t~nondet1; {5574#true} is VALID [2020-07-18 06:35:49,966 INFO L280 TraceCheckUtils]: 16: Hoare triple {5574#true} havoc #t~nondet1; {5574#true} is VALID [2020-07-18 06:35:49,966 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 06:35:49,967 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 06:35:49,967 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 06:35:49,968 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 06:35:49,968 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 06:35:49,969 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 06:35:49,970 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 06:35:49,970 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 06:35:49,971 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 06:35:49,978 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 06:35:49,978 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 06:35:49,979 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 06:35:49,980 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 06:35:49,980 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 06:35:49,980 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 06:35:49,981 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 06:35:49,982 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 06:35:49,982 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 06:35:49,983 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 06:35:49,984 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 06:35:49,985 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 06:35:49,986 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 06:35:49,986 INFO L280 TraceCheckUtils]: 39: Hoare triple {5575#false} assume !false; {5575#false} is VALID [2020-07-18 06:35:49,990 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 06:35:49,990 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [489583805] [2020-07-18 06:35:49,990 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 06:35:49,990 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-18 06:35:49,991 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337165883] [2020-07-18 06:35:49,991 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 40 [2020-07-18 06:35:49,991 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 06:35:49,992 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-18 06:35:50,039 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 06:35:50,039 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-18 06:35:50,040 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 06:35:50,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-18 06:35:50,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-07-18 06:35:50,041 INFO L87 Difference]: Start difference. First operand 148 states and 152 transitions. Second operand 7 states. [2020-07-18 06:35:53,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:35:53,466 INFO L93 Difference]: Finished difference Result 262 states and 270 transitions. [2020-07-18 06:35:53,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-18 06:35:53,466 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 40 [2020-07-18 06:35:53,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 06:35:53,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-18 06:35:53,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 268 transitions. [2020-07-18 06:35:53,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-18 06:35:53,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 268 transitions. [2020-07-18 06:35:53,476 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 268 transitions. [2020-07-18 06:35:53,924 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 06:35:53,930 INFO L225 Difference]: With dead ends: 262 [2020-07-18 06:35:53,930 INFO L226 Difference]: Without dead ends: 260 [2020-07-18 06:35:53,931 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2020-07-18 06:35:53,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2020-07-18 06:35:54,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 146. [2020-07-18 06:35:54,872 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 06:35:54,872 INFO L82 GeneralOperation]: Start isEquivalent. First operand 260 states. Second operand 146 states. [2020-07-18 06:35:54,872 INFO L74 IsIncluded]: Start isIncluded. First operand 260 states. Second operand 146 states. [2020-07-18 06:35:54,872 INFO L87 Difference]: Start difference. First operand 260 states. Second operand 146 states. [2020-07-18 06:35:54,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:35:54,882 INFO L93 Difference]: Finished difference Result 260 states and 268 transitions. [2020-07-18 06:35:54,883 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 268 transitions. [2020-07-18 06:35:54,883 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:35:54,884 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:35:54,884 INFO L74 IsIncluded]: Start isIncluded. First operand 146 states. Second operand 260 states. [2020-07-18 06:35:54,884 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 260 states. [2020-07-18 06:35:54,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:35:54,893 INFO L93 Difference]: Finished difference Result 260 states and 268 transitions. [2020-07-18 06:35:54,894 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 268 transitions. [2020-07-18 06:35:54,895 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:35:54,895 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:35:54,895 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 06:35:54,895 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 06:35:54,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-07-18 06:35:54,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 150 transitions. [2020-07-18 06:35:54,906 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 150 transitions. Word has length 40 [2020-07-18 06:35:54,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 06:35:54,911 INFO L479 AbstractCegarLoop]: Abstraction has 146 states and 150 transitions. [2020-07-18 06:35:54,911 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-18 06:35:54,911 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 146 states and 150 transitions. [2020-07-18 06:35:55,404 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 06:35:55,404 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 150 transitions. [2020-07-18 06:35:55,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-07-18 06:35:55,405 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 06:35:55,405 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 06:35:55,406 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-18 06:35:55,406 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 06:35:55,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 06:35:55,408 INFO L82 PathProgramCache]: Analyzing trace with hash -1900232348, now seen corresponding path program 1 times [2020-07-18 06:35:55,408 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 06:35:55,408 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1301565986] [2020-07-18 06:35:55,408 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 06:35:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:55,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:55,590 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 06:35:55,591 INFO L280 TraceCheckUtils]: 1: Hoare triple {6935#true} ~__return_334~0 := 0; {6935#true} is VALID [2020-07-18 06:35:55,591 INFO L280 TraceCheckUtils]: 2: Hoare triple {6935#true} assume true; {6935#true} is VALID [2020-07-18 06:35:55,591 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {6935#true} {6935#true} #261#return; {6935#true} is VALID [2020-07-18 06:35:55,594 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 06:35:55,595 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 06:35:55,595 INFO L280 TraceCheckUtils]: 2: Hoare triple {6935#true} ~__return_334~0 := 0; {6935#true} is VALID [2020-07-18 06:35:55,595 INFO L280 TraceCheckUtils]: 3: Hoare triple {6935#true} assume true; {6935#true} is VALID [2020-07-18 06:35:55,595 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {6935#true} {6935#true} #261#return; {6935#true} is VALID [2020-07-18 06:35:55,596 INFO L263 TraceCheckUtils]: 5: Hoare triple {6935#true} call #t~ret3 := main(); {6935#true} is VALID [2020-07-18 06:35:55,596 INFO L280 TraceCheckUtils]: 6: Hoare triple {6935#true} havoc ~main__len~0; {6935#true} is VALID [2020-07-18 06:35:55,596 INFO L280 TraceCheckUtils]: 7: Hoare triple {6935#true} havoc ~main__i~0; {6935#true} is VALID [2020-07-18 06:35:55,596 INFO L280 TraceCheckUtils]: 8: Hoare triple {6935#true} havoc ~main__j~0; {6935#true} is VALID [2020-07-18 06:35:55,596 INFO L280 TraceCheckUtils]: 9: Hoare triple {6935#true} havoc ~main__bufsize~0; {6935#true} is VALID [2020-07-18 06:35:55,597 INFO L280 TraceCheckUtils]: 10: Hoare triple {6935#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {6935#true} is VALID [2020-07-18 06:35:55,597 INFO L280 TraceCheckUtils]: 11: Hoare triple {6935#true} ~main__bufsize~0 := #t~nondet0; {6935#true} is VALID [2020-07-18 06:35:55,597 INFO L280 TraceCheckUtils]: 12: Hoare triple {6935#true} havoc #t~nondet0; {6935#true} is VALID [2020-07-18 06:35:55,597 INFO L280 TraceCheckUtils]: 13: Hoare triple {6935#true} assume !(~main__bufsize~0 < 0); {6935#true} is VALID [2020-07-18 06:35:55,597 INFO L280 TraceCheckUtils]: 14: Hoare triple {6935#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {6935#true} is VALID [2020-07-18 06:35:55,597 INFO L280 TraceCheckUtils]: 15: Hoare triple {6935#true} ~main__len~0 := #t~nondet1; {6935#true} is VALID [2020-07-18 06:35:55,598 INFO L280 TraceCheckUtils]: 16: Hoare triple {6935#true} havoc #t~nondet1; {6935#true} is VALID [2020-07-18 06:35:55,598 INFO L280 TraceCheckUtils]: 17: Hoare triple {6935#true} ~main__limit~0 := ~main__bufsize~0 - 4; {6935#true} is VALID [2020-07-18 06:35:55,598 INFO L280 TraceCheckUtils]: 18: Hoare triple {6935#true} ~main__i~0 := 0; {6935#true} is VALID [2020-07-18 06:35:55,598 INFO L280 TraceCheckUtils]: 19: Hoare triple {6935#true} assume ~main__i~0 < ~main__len~0; {6935#true} is VALID [2020-07-18 06:35:55,601 INFO L280 TraceCheckUtils]: 20: Hoare triple {6935#true} ~main__j~0 := 0; {6941#(<= 0 main_~main__j~0)} is VALID [2020-07-18 06:35:55,602 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 06:35:55,605 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 06:35:55,605 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 06:35:55,606 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 06:35:55,606 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 06:35:55,607 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 06:35:55,607 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 06:35:55,608 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 06:35:55,608 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 06:35:55,609 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 06:35:55,609 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 06:35:55,610 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 06:35:55,610 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 06:35:55,611 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 06:35:55,611 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 06:35:55,612 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 06:35:55,613 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 06:35:55,613 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 06:35:55,614 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 06:35:55,614 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 06:35:55,615 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 06:35:55,616 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 06:35:55,616 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 06:35:55,617 INFO L280 TraceCheckUtils]: 44: Hoare triple {6936#false} assume !false; {6936#false} is VALID [2020-07-18 06:35:55,619 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 06:35:55,620 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1301565986] [2020-07-18 06:35:55,620 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 06:35:55,620 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-18 06:35:55,620 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55178530] [2020-07-18 06:35:55,621 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 45 [2020-07-18 06:35:55,621 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 06:35:55,622 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-18 06:35:55,674 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 06:35:55,674 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-18 06:35:55,675 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 06:35:55,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-18 06:35:55,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-18 06:35:55,676 INFO L87 Difference]: Start difference. First operand 146 states and 150 transitions. Second operand 6 states. [2020-07-18 06:35:58,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:35:58,821 INFO L93 Difference]: Finished difference Result 267 states and 275 transitions. [2020-07-18 06:35:58,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-18 06:35:58,822 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 45 [2020-07-18 06:35:58,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 06:35:58,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-18 06:35:58,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 273 transitions. [2020-07-18 06:35:58,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-18 06:35:58,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 273 transitions. [2020-07-18 06:35:58,831 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 273 transitions. [2020-07-18 06:35:59,219 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 06:35:59,225 INFO L225 Difference]: With dead ends: 267 [2020-07-18 06:35:59,226 INFO L226 Difference]: Without dead ends: 265 [2020-07-18 06:35:59,227 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-07-18 06:35:59,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2020-07-18 06:36:00,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 144. [2020-07-18 06:36:00,298 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 06:36:00,298 INFO L82 GeneralOperation]: Start isEquivalent. First operand 265 states. Second operand 144 states. [2020-07-18 06:36:00,298 INFO L74 IsIncluded]: Start isIncluded. First operand 265 states. Second operand 144 states. [2020-07-18 06:36:00,298 INFO L87 Difference]: Start difference. First operand 265 states. Second operand 144 states. [2020-07-18 06:36:00,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:36:00,305 INFO L93 Difference]: Finished difference Result 265 states and 273 transitions. [2020-07-18 06:36:00,306 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 273 transitions. [2020-07-18 06:36:00,307 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:36:00,307 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:36:00,307 INFO L74 IsIncluded]: Start isIncluded. First operand 144 states. Second operand 265 states. [2020-07-18 06:36:00,307 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 265 states. [2020-07-18 06:36:00,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:36:00,315 INFO L93 Difference]: Finished difference Result 265 states and 273 transitions. [2020-07-18 06:36:00,315 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 273 transitions. [2020-07-18 06:36:00,316 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:36:00,316 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:36:00,316 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 06:36:00,316 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 06:36:00,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-07-18 06:36:00,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 148 transitions. [2020-07-18 06:36:00,320 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 148 transitions. Word has length 45 [2020-07-18 06:36:00,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 06:36:00,320 INFO L479 AbstractCegarLoop]: Abstraction has 144 states and 148 transitions. [2020-07-18 06:36:00,320 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-18 06:36:00,320 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 144 states and 148 transitions. [2020-07-18 06:36:00,851 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 06:36:00,851 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 148 transitions. [2020-07-18 06:36:00,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-07-18 06:36:00,852 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 06:36:00,852 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 06:36:00,853 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-18 06:36:00,853 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 06:36:00,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 06:36:00,855 INFO L82 PathProgramCache]: Analyzing trace with hash -1678067487, now seen corresponding path program 1 times [2020-07-18 06:36:00,855 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 06:36:00,855 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1168415818] [2020-07-18 06:36:00,856 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 06:36:00,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:36:01,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:36:01,015 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 06:36:01,016 INFO L280 TraceCheckUtils]: 1: Hoare triple {8309#true} ~__return_334~0 := 0; {8309#true} is VALID [2020-07-18 06:36:01,016 INFO L280 TraceCheckUtils]: 2: Hoare triple {8309#true} assume true; {8309#true} is VALID [2020-07-18 06:36:01,016 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {8309#true} {8309#true} #261#return; {8309#true} is VALID [2020-07-18 06:36:01,018 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 06:36:01,018 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 06:36:01,018 INFO L280 TraceCheckUtils]: 2: Hoare triple {8309#true} ~__return_334~0 := 0; {8309#true} is VALID [2020-07-18 06:36:01,018 INFO L280 TraceCheckUtils]: 3: Hoare triple {8309#true} assume true; {8309#true} is VALID [2020-07-18 06:36:01,019 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {8309#true} {8309#true} #261#return; {8309#true} is VALID [2020-07-18 06:36:01,019 INFO L263 TraceCheckUtils]: 5: Hoare triple {8309#true} call #t~ret3 := main(); {8309#true} is VALID [2020-07-18 06:36:01,019 INFO L280 TraceCheckUtils]: 6: Hoare triple {8309#true} havoc ~main__len~0; {8309#true} is VALID [2020-07-18 06:36:01,019 INFO L280 TraceCheckUtils]: 7: Hoare triple {8309#true} havoc ~main__i~0; {8309#true} is VALID [2020-07-18 06:36:01,020 INFO L280 TraceCheckUtils]: 8: Hoare triple {8309#true} havoc ~main__j~0; {8309#true} is VALID [2020-07-18 06:36:01,020 INFO L280 TraceCheckUtils]: 9: Hoare triple {8309#true} havoc ~main__bufsize~0; {8309#true} is VALID [2020-07-18 06:36:01,020 INFO L280 TraceCheckUtils]: 10: Hoare triple {8309#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {8309#true} is VALID [2020-07-18 06:36:01,020 INFO L280 TraceCheckUtils]: 11: Hoare triple {8309#true} ~main__bufsize~0 := #t~nondet0; {8309#true} is VALID [2020-07-18 06:36:01,021 INFO L280 TraceCheckUtils]: 12: Hoare triple {8309#true} havoc #t~nondet0; {8309#true} is VALID [2020-07-18 06:36:01,021 INFO L280 TraceCheckUtils]: 13: Hoare triple {8309#true} assume !(~main__bufsize~0 < 0); {8309#true} is VALID [2020-07-18 06:36:01,021 INFO L280 TraceCheckUtils]: 14: Hoare triple {8309#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {8309#true} is VALID [2020-07-18 06:36:01,021 INFO L280 TraceCheckUtils]: 15: Hoare triple {8309#true} ~main__len~0 := #t~nondet1; {8309#true} is VALID [2020-07-18 06:36:01,022 INFO L280 TraceCheckUtils]: 16: Hoare triple {8309#true} havoc #t~nondet1; {8309#true} is VALID [2020-07-18 06:36:01,022 INFO L280 TraceCheckUtils]: 17: Hoare triple {8309#true} ~main__limit~0 := ~main__bufsize~0 - 4; {8309#true} is VALID [2020-07-18 06:36:01,022 INFO L280 TraceCheckUtils]: 18: Hoare triple {8309#true} ~main__i~0 := 0; {8309#true} is VALID [2020-07-18 06:36:01,023 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 06:36:01,024 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 06:36:01,025 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 06:36:01,025 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 06:36:01,026 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 06:36:01,027 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 06:36:01,027 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 06:36:01,028 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 06:36:01,029 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 06:36:01,030 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 06:36:01,030 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 06:36:01,031 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 06:36:01,032 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 06:36:01,033 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 06:36:01,034 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 06:36:01,034 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 06:36:01,035 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 06:36:01,036 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 06:36:01,037 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 06:36:01,039 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 06:36:01,040 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 06:36:01,041 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 06:36:01,042 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 06:36:01,043 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 06:36:01,045 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 06:36:01,045 INFO L280 TraceCheckUtils]: 44: Hoare triple {8310#false} assume !false; {8310#false} is VALID [2020-07-18 06:36:01,048 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 06:36:01,049 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1168415818] [2020-07-18 06:36:01,049 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 06:36:01,050 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-18 06:36:01,050 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530438333] [2020-07-18 06:36:01,051 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 45 [2020-07-18 06:36:01,051 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 06:36:01,051 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-18 06:36:01,113 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 06:36:01,114 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-18 06:36:01,114 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 06:36:01,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-18 06:36:01,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-18 06:36:01,115 INFO L87 Difference]: Start difference. First operand 144 states and 148 transitions. Second operand 6 states. [2020-07-18 06:36:03,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:36:03,660 INFO L93 Difference]: Finished difference Result 194 states and 202 transitions. [2020-07-18 06:36:03,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-18 06:36:03,661 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 45 [2020-07-18 06:36:03,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 06:36:03,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-18 06:36:03,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 202 transitions. [2020-07-18 06:36:03,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-18 06:36:03,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 202 transitions. [2020-07-18 06:36:03,667 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 202 transitions. [2020-07-18 06:36:04,004 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 06:36:04,011 INFO L225 Difference]: With dead ends: 194 [2020-07-18 06:36:04,011 INFO L226 Difference]: Without dead ends: 192 [2020-07-18 06:36:04,013 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-07-18 06:36:04,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2020-07-18 06:36:05,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 142. [2020-07-18 06:36:05,165 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 06:36:05,165 INFO L82 GeneralOperation]: Start isEquivalent. First operand 192 states. Second operand 142 states. [2020-07-18 06:36:05,165 INFO L74 IsIncluded]: Start isIncluded. First operand 192 states. Second operand 142 states. [2020-07-18 06:36:05,166 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 142 states. [2020-07-18 06:36:05,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:36:05,170 INFO L93 Difference]: Finished difference Result 192 states and 200 transitions. [2020-07-18 06:36:05,171 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 200 transitions. [2020-07-18 06:36:05,171 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:36:05,171 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:36:05,172 INFO L74 IsIncluded]: Start isIncluded. First operand 142 states. Second operand 192 states. [2020-07-18 06:36:05,172 INFO L87 Difference]: Start difference. First operand 142 states. Second operand 192 states. [2020-07-18 06:36:05,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:36:05,177 INFO L93 Difference]: Finished difference Result 192 states and 200 transitions. [2020-07-18 06:36:05,177 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 200 transitions. [2020-07-18 06:36:05,178 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:36:05,178 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:36:05,178 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 06:36:05,179 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 06:36:05,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-07-18 06:36:05,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 146 transitions. [2020-07-18 06:36:05,182 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 146 transitions. Word has length 45 [2020-07-18 06:36:05,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 06:36:05,183 INFO L479 AbstractCegarLoop]: Abstraction has 142 states and 146 transitions. [2020-07-18 06:36:05,183 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-18 06:36:05,183 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 142 states and 146 transitions. [2020-07-18 06:36:05,779 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 06:36:05,779 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 146 transitions. [2020-07-18 06:36:05,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-07-18 06:36:05,780 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 06:36:05,780 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 06:36:05,781 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-18 06:36:05,781 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 06:36:05,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 06:36:05,781 INFO L82 PathProgramCache]: Analyzing trace with hash 776869197, now seen corresponding path program 1 times [2020-07-18 06:36:05,782 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 06:36:05,782 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1010152197] [2020-07-18 06:36:05,782 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 06:36:05,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:36:05,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:36:05,937 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 06:36:05,937 INFO L280 TraceCheckUtils]: 1: Hoare triple {9387#true} ~__return_334~0 := 0; {9387#true} is VALID [2020-07-18 06:36:05,938 INFO L280 TraceCheckUtils]: 2: Hoare triple {9387#true} assume true; {9387#true} is VALID [2020-07-18 06:36:05,938 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {9387#true} {9387#true} #261#return; {9387#true} is VALID [2020-07-18 06:36:05,938 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 06:36:05,939 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 06:36:05,939 INFO L280 TraceCheckUtils]: 2: Hoare triple {9387#true} ~__return_334~0 := 0; {9387#true} is VALID [2020-07-18 06:36:05,939 INFO L280 TraceCheckUtils]: 3: Hoare triple {9387#true} assume true; {9387#true} is VALID [2020-07-18 06:36:05,939 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {9387#true} {9387#true} #261#return; {9387#true} is VALID [2020-07-18 06:36:05,940 INFO L263 TraceCheckUtils]: 5: Hoare triple {9387#true} call #t~ret3 := main(); {9387#true} is VALID [2020-07-18 06:36:05,940 INFO L280 TraceCheckUtils]: 6: Hoare triple {9387#true} havoc ~main__len~0; {9387#true} is VALID [2020-07-18 06:36:05,940 INFO L280 TraceCheckUtils]: 7: Hoare triple {9387#true} havoc ~main__i~0; {9387#true} is VALID [2020-07-18 06:36:05,940 INFO L280 TraceCheckUtils]: 8: Hoare triple {9387#true} havoc ~main__j~0; {9387#true} is VALID [2020-07-18 06:36:05,940 INFO L280 TraceCheckUtils]: 9: Hoare triple {9387#true} havoc ~main__bufsize~0; {9387#true} is VALID [2020-07-18 06:36:05,941 INFO L280 TraceCheckUtils]: 10: Hoare triple {9387#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {9387#true} is VALID [2020-07-18 06:36:05,941 INFO L280 TraceCheckUtils]: 11: Hoare triple {9387#true} ~main__bufsize~0 := #t~nondet0; {9387#true} is VALID [2020-07-18 06:36:05,941 INFO L280 TraceCheckUtils]: 12: Hoare triple {9387#true} havoc #t~nondet0; {9387#true} is VALID [2020-07-18 06:36:05,941 INFO L280 TraceCheckUtils]: 13: Hoare triple {9387#true} assume !(~main__bufsize~0 < 0); {9387#true} is VALID [2020-07-18 06:36:05,942 INFO L280 TraceCheckUtils]: 14: Hoare triple {9387#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {9387#true} is VALID [2020-07-18 06:36:05,942 INFO L280 TraceCheckUtils]: 15: Hoare triple {9387#true} ~main__len~0 := #t~nondet1; {9387#true} is VALID [2020-07-18 06:36:05,942 INFO L280 TraceCheckUtils]: 16: Hoare triple {9387#true} havoc #t~nondet1; {9387#true} is VALID [2020-07-18 06:36:05,942 INFO L280 TraceCheckUtils]: 17: Hoare triple {9387#true} ~main__limit~0 := ~main__bufsize~0 - 4; {9387#true} is VALID [2020-07-18 06:36:05,943 INFO L280 TraceCheckUtils]: 18: Hoare triple {9387#true} ~main__i~0 := 0; {9387#true} is VALID [2020-07-18 06:36:05,943 INFO L280 TraceCheckUtils]: 19: Hoare triple {9387#true} assume ~main__i~0 < ~main__len~0; {9387#true} is VALID [2020-07-18 06:36:05,943 INFO L280 TraceCheckUtils]: 20: Hoare triple {9387#true} ~main__j~0 := 0; {9387#true} is VALID [2020-07-18 06:36:05,944 INFO L280 TraceCheckUtils]: 21: Hoare triple {9387#true} assume ~main__i~0 < ~main__len~0; {9387#true} is VALID [2020-07-18 06:36:05,945 INFO L280 TraceCheckUtils]: 22: Hoare triple {9387#true} assume ~main__j~0 < ~main__limit~0; {9387#true} is VALID [2020-07-18 06:36:05,945 INFO L280 TraceCheckUtils]: 23: Hoare triple {9387#true} assume 1 + ~main__i~0 < ~main__len~0; {9387#true} is VALID [2020-07-18 06:36:05,948 INFO L280 TraceCheckUtils]: 24: Hoare triple {9387#true} havoc ~__tmp_1~0; {9387#true} is VALID [2020-07-18 06:36:05,948 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 06:36:05,948 INFO L280 TraceCheckUtils]: 26: Hoare triple {9387#true} havoc ~__VERIFIER_assert__cond~0; {9387#true} is VALID [2020-07-18 06:36:05,949 INFO L280 TraceCheckUtils]: 27: Hoare triple {9387#true} ~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {9387#true} is VALID [2020-07-18 06:36:05,950 INFO L280 TraceCheckUtils]: 28: Hoare triple {9387#true} assume !(0 == ~__VERIFIER_assert__cond~0); {9387#true} is VALID [2020-07-18 06:36:05,950 INFO L280 TraceCheckUtils]: 29: Hoare triple {9387#true} havoc ~__tmp_2~0; {9387#true} is VALID [2020-07-18 06:36:05,952 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 06:36:05,954 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 06:36:05,956 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 06:36:05,957 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 06:36:05,957 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 06:36:05,958 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 06:36:05,958 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 06:36:05,958 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 06:36:05,959 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 06:36:05,959 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 06:36:05,960 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 06:36:05,960 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 06:36:05,961 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 06:36:05,961 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 06:36:05,961 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 06:36:05,962 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 06:36:05,962 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 06:36:05,963 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 06:36:05,963 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 06:36:05,964 INFO L280 TraceCheckUtils]: 49: Hoare triple {9388#false} assume !false; {9388#false} is VALID [2020-07-18 06:36:05,968 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 06:36:05,969 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1010152197] [2020-07-18 06:36:05,969 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 06:36:05,969 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-18 06:36:05,969 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413634890] [2020-07-18 06:36:05,970 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 50 [2020-07-18 06:36:05,970 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 06:36:05,970 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-18 06:36:06,045 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 06:36:06,045 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-18 06:36:06,045 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 06:36:06,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-18 06:36:06,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-07-18 06:36:06,046 INFO L87 Difference]: Start difference. First operand 142 states and 146 transitions. Second operand 8 states. [2020-07-18 06:36:10,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:36:10,204 INFO L93 Difference]: Finished difference Result 233 states and 244 transitions. [2020-07-18 06:36:10,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-18 06:36:10,205 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 50 [2020-07-18 06:36:10,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 06:36:10,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-18 06:36:10,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 241 transitions. [2020-07-18 06:36:10,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-18 06:36:10,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 241 transitions. [2020-07-18 06:36:10,212 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states and 241 transitions. [2020-07-18 06:36:10,615 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 06:36:10,620 INFO L225 Difference]: With dead ends: 233 [2020-07-18 06:36:10,620 INFO L226 Difference]: Without dead ends: 231 [2020-07-18 06:36:10,623 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2020-07-18 06:36:10,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2020-07-18 06:36:12,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 140. [2020-07-18 06:36:12,015 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 06:36:12,015 INFO L82 GeneralOperation]: Start isEquivalent. First operand 231 states. Second operand 140 states. [2020-07-18 06:36:12,016 INFO L74 IsIncluded]: Start isIncluded. First operand 231 states. Second operand 140 states. [2020-07-18 06:36:12,016 INFO L87 Difference]: Start difference. First operand 231 states. Second operand 140 states. [2020-07-18 06:36:12,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:36:12,023 INFO L93 Difference]: Finished difference Result 231 states and 242 transitions. [2020-07-18 06:36:12,023 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 242 transitions. [2020-07-18 06:36:12,024 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:36:12,024 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:36:12,024 INFO L74 IsIncluded]: Start isIncluded. First operand 140 states. Second operand 231 states. [2020-07-18 06:36:12,024 INFO L87 Difference]: Start difference. First operand 140 states. Second operand 231 states. [2020-07-18 06:36:12,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:36:12,030 INFO L93 Difference]: Finished difference Result 231 states and 242 transitions. [2020-07-18 06:36:12,030 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 242 transitions. [2020-07-18 06:36:12,031 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:36:12,031 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:36:12,031 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 06:36:12,031 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 06:36:12,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-07-18 06:36:12,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 144 transitions. [2020-07-18 06:36:12,035 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 144 transitions. Word has length 50 [2020-07-18 06:36:12,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 06:36:12,035 INFO L479 AbstractCegarLoop]: Abstraction has 140 states and 144 transitions. [2020-07-18 06:36:12,035 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-18 06:36:12,035 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 140 states and 144 transitions. [2020-07-18 06:36:12,623 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 06:36:12,624 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 144 transitions. [2020-07-18 06:36:12,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-07-18 06:36:12,625 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 06:36:12,625 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 06:36:12,625 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-18 06:36:12,625 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 06:36:12,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 06:36:12,626 INFO L82 PathProgramCache]: Analyzing trace with hash -828388948, now seen corresponding path program 1 times [2020-07-18 06:36:12,626 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 06:36:12,626 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [291842159] [2020-07-18 06:36:12,627 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 06:36:12,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:36:12,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:36:12,810 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 06:36:12,811 INFO L280 TraceCheckUtils]: 1: Hoare triple {10630#true} ~__return_334~0 := 0; {10630#true} is VALID [2020-07-18 06:36:12,811 INFO L280 TraceCheckUtils]: 2: Hoare triple {10630#true} assume true; {10630#true} is VALID [2020-07-18 06:36:12,811 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {10630#true} {10630#true} #261#return; {10630#true} is VALID [2020-07-18 06:36:12,812 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 06:36:12,813 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 06:36:12,813 INFO L280 TraceCheckUtils]: 2: Hoare triple {10630#true} ~__return_334~0 := 0; {10630#true} is VALID [2020-07-18 06:36:12,813 INFO L280 TraceCheckUtils]: 3: Hoare triple {10630#true} assume true; {10630#true} is VALID [2020-07-18 06:36:12,813 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {10630#true} {10630#true} #261#return; {10630#true} is VALID [2020-07-18 06:36:12,814 INFO L263 TraceCheckUtils]: 5: Hoare triple {10630#true} call #t~ret3 := main(); {10630#true} is VALID [2020-07-18 06:36:12,814 INFO L280 TraceCheckUtils]: 6: Hoare triple {10630#true} havoc ~main__len~0; {10630#true} is VALID [2020-07-18 06:36:12,814 INFO L280 TraceCheckUtils]: 7: Hoare triple {10630#true} havoc ~main__i~0; {10630#true} is VALID [2020-07-18 06:36:12,814 INFO L280 TraceCheckUtils]: 8: Hoare triple {10630#true} havoc ~main__j~0; {10630#true} is VALID [2020-07-18 06:36:12,814 INFO L280 TraceCheckUtils]: 9: Hoare triple {10630#true} havoc ~main__bufsize~0; {10630#true} is VALID [2020-07-18 06:36:12,815 INFO L280 TraceCheckUtils]: 10: Hoare triple {10630#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {10630#true} is VALID [2020-07-18 06:36:12,815 INFO L280 TraceCheckUtils]: 11: Hoare triple {10630#true} ~main__bufsize~0 := #t~nondet0; {10630#true} is VALID [2020-07-18 06:36:12,815 INFO L280 TraceCheckUtils]: 12: Hoare triple {10630#true} havoc #t~nondet0; {10630#true} is VALID [2020-07-18 06:36:12,815 INFO L280 TraceCheckUtils]: 13: Hoare triple {10630#true} assume !(~main__bufsize~0 < 0); {10630#true} is VALID [2020-07-18 06:36:12,816 INFO L280 TraceCheckUtils]: 14: Hoare triple {10630#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {10630#true} is VALID [2020-07-18 06:36:12,816 INFO L280 TraceCheckUtils]: 15: Hoare triple {10630#true} ~main__len~0 := #t~nondet1; {10630#true} is VALID [2020-07-18 06:36:12,816 INFO L280 TraceCheckUtils]: 16: Hoare triple {10630#true} havoc #t~nondet1; {10630#true} is VALID [2020-07-18 06:36:12,818 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 06:36:12,819 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 06:36:12,819 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 06:36:12,820 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 06:36:12,820 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 06:36:12,821 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 06:36:12,822 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 06:36:12,823 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 06:36:12,823 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 06:36:12,824 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 06:36:12,825 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 06:36:12,825 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 06:36:12,826 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 06:36:12,827 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 06:36:12,827 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 06:36:12,828 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 06:36:12,828 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 06:36:12,829 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 06:36:12,830 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 06:36:12,832 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 06:36:12,837 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 06:36:12,842 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 06:36:12,848 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 06:36:12,849 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 06:36:12,849 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 06:36:12,850 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 06:36:12,851 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 06:36:12,851 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 06:36:12,852 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 06:36:12,853 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 06:36:12,853 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 06:36:12,854 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 06:36:12,855 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 06:36:12,856 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 06:36:12,857 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 06:36:12,857 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 06:36:12,858 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 06:36:12,858 INFO L280 TraceCheckUtils]: 54: Hoare triple {10631#false} assume !false; {10631#false} is VALID [2020-07-18 06:36:12,862 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 06:36:12,863 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [291842159] [2020-07-18 06:36:12,863 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 06:36:12,863 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-18 06:36:12,866 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772392107] [2020-07-18 06:36:12,867 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2020-07-18 06:36:12,867 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 06:36:12,869 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-18 06:36:12,931 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 06:36:12,932 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-18 06:36:12,932 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 06:36:12,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-18 06:36:12,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-07-18 06:36:12,933 INFO L87 Difference]: Start difference. First operand 140 states and 144 transitions. Second operand 7 states. [2020-07-18 06:36:16,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:36:16,021 INFO L93 Difference]: Finished difference Result 198 states and 206 transitions. [2020-07-18 06:36:16,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-18 06:36:16,022 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2020-07-18 06:36:16,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 06:36:16,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-18 06:36:16,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 204 transitions. [2020-07-18 06:36:16,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-18 06:36:16,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 204 transitions. [2020-07-18 06:36:16,027 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 204 transitions. [2020-07-18 06:36:16,431 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 06:36:16,436 INFO L225 Difference]: With dead ends: 198 [2020-07-18 06:36:16,436 INFO L226 Difference]: Without dead ends: 196 [2020-07-18 06:36:16,437 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2020-07-18 06:36:16,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2020-07-18 06:36:17,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 138. [2020-07-18 06:36:17,853 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 06:36:17,853 INFO L82 GeneralOperation]: Start isEquivalent. First operand 196 states. Second operand 138 states. [2020-07-18 06:36:17,853 INFO L74 IsIncluded]: Start isIncluded. First operand 196 states. Second operand 138 states. [2020-07-18 06:36:17,853 INFO L87 Difference]: Start difference. First operand 196 states. Second operand 138 states. [2020-07-18 06:36:17,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:36:17,856 INFO L93 Difference]: Finished difference Result 196 states and 204 transitions. [2020-07-18 06:36:17,857 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 204 transitions. [2020-07-18 06:36:17,857 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:36:17,857 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:36:17,857 INFO L74 IsIncluded]: Start isIncluded. First operand 138 states. Second operand 196 states. [2020-07-18 06:36:17,858 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 196 states. [2020-07-18 06:36:17,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:36:17,862 INFO L93 Difference]: Finished difference Result 196 states and 204 transitions. [2020-07-18 06:36:17,862 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 204 transitions. [2020-07-18 06:36:17,863 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:36:17,863 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:36:17,863 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 06:36:17,863 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 06:36:17,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-07-18 06:36:17,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 142 transitions. [2020-07-18 06:36:17,867 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 142 transitions. Word has length 55 [2020-07-18 06:36:17,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 06:36:17,867 INFO L479 AbstractCegarLoop]: Abstraction has 138 states and 142 transitions. [2020-07-18 06:36:17,867 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-18 06:36:17,867 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 138 states and 142 transitions. [2020-07-18 06:36:18,497 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 06:36:18,497 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 142 transitions. [2020-07-18 06:36:18,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-18 06:36:18,498 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 06:36:18,499 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 06:36:18,499 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-18 06:36:18,499 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 06:36:18,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 06:36:18,500 INFO L82 PathProgramCache]: Analyzing trace with hash -2080692744, now seen corresponding path program 1 times [2020-07-18 06:36:18,500 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 06:36:18,500 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1663674385] [2020-07-18 06:36:18,500 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 06:36:18,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:36:18,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:36:18,619 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 06:36:18,620 INFO L280 TraceCheckUtils]: 1: Hoare triple {11719#true} ~__return_334~0 := 0; {11719#true} is VALID [2020-07-18 06:36:18,620 INFO L280 TraceCheckUtils]: 2: Hoare triple {11719#true} assume true; {11719#true} is VALID [2020-07-18 06:36:18,620 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {11719#true} {11719#true} #261#return; {11719#true} is VALID [2020-07-18 06:36:18,621 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 06:36:18,621 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 06:36:18,622 INFO L280 TraceCheckUtils]: 2: Hoare triple {11719#true} ~__return_334~0 := 0; {11719#true} is VALID [2020-07-18 06:36:18,622 INFO L280 TraceCheckUtils]: 3: Hoare triple {11719#true} assume true; {11719#true} is VALID [2020-07-18 06:36:18,622 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {11719#true} {11719#true} #261#return; {11719#true} is VALID [2020-07-18 06:36:18,622 INFO L263 TraceCheckUtils]: 5: Hoare triple {11719#true} call #t~ret3 := main(); {11719#true} is VALID [2020-07-18 06:36:18,622 INFO L280 TraceCheckUtils]: 6: Hoare triple {11719#true} havoc ~main__len~0; {11719#true} is VALID [2020-07-18 06:36:18,622 INFO L280 TraceCheckUtils]: 7: Hoare triple {11719#true} havoc ~main__i~0; {11719#true} is VALID [2020-07-18 06:36:18,623 INFO L280 TraceCheckUtils]: 8: Hoare triple {11719#true} havoc ~main__j~0; {11719#true} is VALID [2020-07-18 06:36:18,623 INFO L280 TraceCheckUtils]: 9: Hoare triple {11719#true} havoc ~main__bufsize~0; {11719#true} is VALID [2020-07-18 06:36:18,623 INFO L280 TraceCheckUtils]: 10: Hoare triple {11719#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {11719#true} is VALID [2020-07-18 06:36:18,623 INFO L280 TraceCheckUtils]: 11: Hoare triple {11719#true} ~main__bufsize~0 := #t~nondet0; {11719#true} is VALID [2020-07-18 06:36:18,623 INFO L280 TraceCheckUtils]: 12: Hoare triple {11719#true} havoc #t~nondet0; {11719#true} is VALID [2020-07-18 06:36:18,623 INFO L280 TraceCheckUtils]: 13: Hoare triple {11719#true} assume !(~main__bufsize~0 < 0); {11719#true} is VALID [2020-07-18 06:36:18,623 INFO L280 TraceCheckUtils]: 14: Hoare triple {11719#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {11719#true} is VALID [2020-07-18 06:36:18,624 INFO L280 TraceCheckUtils]: 15: Hoare triple {11719#true} ~main__len~0 := #t~nondet1; {11719#true} is VALID [2020-07-18 06:36:18,624 INFO L280 TraceCheckUtils]: 16: Hoare triple {11719#true} havoc #t~nondet1; {11719#true} is VALID [2020-07-18 06:36:18,624 INFO L280 TraceCheckUtils]: 17: Hoare triple {11719#true} ~main__limit~0 := ~main__bufsize~0 - 4; {11719#true} is VALID [2020-07-18 06:36:18,624 INFO L280 TraceCheckUtils]: 18: Hoare triple {11719#true} ~main__i~0 := 0; {11719#true} is VALID [2020-07-18 06:36:18,624 INFO L280 TraceCheckUtils]: 19: Hoare triple {11719#true} assume ~main__i~0 < ~main__len~0; {11719#true} is VALID [2020-07-18 06:36:18,625 INFO L280 TraceCheckUtils]: 20: Hoare triple {11719#true} ~main__j~0 := 0; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-18 06:36:18,625 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 06:36:18,626 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 06:36:18,626 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 06:36:18,627 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 06:36:18,627 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 06:36:18,628 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 06:36:18,628 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 06:36:18,629 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 06:36:18,629 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 06:36:18,630 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 06:36:18,630 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 06:36:18,631 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 06:36:18,631 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 06:36:18,633 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 06:36:18,633 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 06:36:18,634 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 06:36:18,635 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 06:36:18,635 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 06:36:18,636 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 06:36:18,636 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 06:36:18,637 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 06:36:18,637 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 06:36:18,637 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 06:36:18,638 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 06:36:18,638 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 06:36:18,639 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 06:36:18,639 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 06:36:18,640 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 06:36:18,640 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 06:36:18,641 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 06:36:18,641 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 06:36:18,641 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 06:36:18,642 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 06:36:18,642 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 06:36:18,643 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 06:36:18,643 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 06:36:18,651 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 06:36:18,651 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 06:36:18,652 INFO L280 TraceCheckUtils]: 59: Hoare triple {11720#false} assume !false; {11720#false} is VALID [2020-07-18 06:36:18,654 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 06:36:18,655 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1663674385] [2020-07-18 06:36:18,655 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 06:36:18,655 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-18 06:36:18,655 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153557442] [2020-07-18 06:36:18,656 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2020-07-18 06:36:18,656 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 06:36:18,656 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-18 06:36:18,719 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 06:36:18,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-18 06:36:18,720 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 06:36:18,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-18 06:36:18,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-18 06:36:18,721 INFO L87 Difference]: Start difference. First operand 138 states and 142 transitions. Second operand 6 states. [2020-07-18 06:36:21,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:36:21,698 INFO L93 Difference]: Finished difference Result 203 states and 211 transitions. [2020-07-18 06:36:21,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-18 06:36:21,699 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2020-07-18 06:36:21,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 06:36:21,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-18 06:36:21,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 209 transitions. [2020-07-18 06:36:21,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-18 06:36:21,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 209 transitions. [2020-07-18 06:36:21,704 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 209 transitions. [2020-07-18 06:36:22,027 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 06:36:22,033 INFO L225 Difference]: With dead ends: 203 [2020-07-18 06:36:22,033 INFO L226 Difference]: Without dead ends: 201 [2020-07-18 06:36:22,034 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-07-18 06:36:22,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2020-07-18 06:36:23,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 136. [2020-07-18 06:36:23,500 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 06:36:23,500 INFO L82 GeneralOperation]: Start isEquivalent. First operand 201 states. Second operand 136 states. [2020-07-18 06:36:23,500 INFO L74 IsIncluded]: Start isIncluded. First operand 201 states. Second operand 136 states. [2020-07-18 06:36:23,501 INFO L87 Difference]: Start difference. First operand 201 states. Second operand 136 states. [2020-07-18 06:36:23,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:36:23,506 INFO L93 Difference]: Finished difference Result 201 states and 209 transitions. [2020-07-18 06:36:23,506 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 209 transitions. [2020-07-18 06:36:23,507 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:36:23,507 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:36:23,507 INFO L74 IsIncluded]: Start isIncluded. First operand 136 states. Second operand 201 states. [2020-07-18 06:36:23,507 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 201 states. [2020-07-18 06:36:23,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:36:23,513 INFO L93 Difference]: Finished difference Result 201 states and 209 transitions. [2020-07-18 06:36:23,513 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 209 transitions. [2020-07-18 06:36:23,514 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:36:23,514 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:36:23,514 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 06:36:23,515 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 06:36:23,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-07-18 06:36:23,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 140 transitions. [2020-07-18 06:36:23,518 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 140 transitions. Word has length 60 [2020-07-18 06:36:23,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 06:36:23,519 INFO L479 AbstractCegarLoop]: Abstraction has 136 states and 140 transitions. [2020-07-18 06:36:23,519 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-18 06:36:23,519 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 136 states and 140 transitions. [2020-07-18 06:36:24,187 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 06:36:24,187 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 140 transitions. [2020-07-18 06:36:24,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-07-18 06:36:24,188 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 06:36:24,188 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 06:36:24,188 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-18 06:36:24,189 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 06:36:24,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 06:36:24,189 INFO L82 PathProgramCache]: Analyzing trace with hash 1555133305, now seen corresponding path program 1 times [2020-07-18 06:36:24,189 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 06:36:24,190 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1432856628] [2020-07-18 06:36:24,190 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 06:36:24,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:36:24,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:36:24,364 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 06:36:24,364 INFO L280 TraceCheckUtils]: 1: Hoare triple {12821#true} ~__return_334~0 := 0; {12821#true} is VALID [2020-07-18 06:36:24,365 INFO L280 TraceCheckUtils]: 2: Hoare triple {12821#true} assume true; {12821#true} is VALID [2020-07-18 06:36:24,365 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {12821#true} {12821#true} #261#return; {12821#true} is VALID [2020-07-18 06:36:24,367 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 06:36:24,367 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 06:36:24,368 INFO L280 TraceCheckUtils]: 2: Hoare triple {12821#true} ~__return_334~0 := 0; {12821#true} is VALID [2020-07-18 06:36:24,368 INFO L280 TraceCheckUtils]: 3: Hoare triple {12821#true} assume true; {12821#true} is VALID [2020-07-18 06:36:24,368 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {12821#true} {12821#true} #261#return; {12821#true} is VALID [2020-07-18 06:36:24,368 INFO L263 TraceCheckUtils]: 5: Hoare triple {12821#true} call #t~ret3 := main(); {12821#true} is VALID [2020-07-18 06:36:24,369 INFO L280 TraceCheckUtils]: 6: Hoare triple {12821#true} havoc ~main__len~0; {12821#true} is VALID [2020-07-18 06:36:24,369 INFO L280 TraceCheckUtils]: 7: Hoare triple {12821#true} havoc ~main__i~0; {12821#true} is VALID [2020-07-18 06:36:24,369 INFO L280 TraceCheckUtils]: 8: Hoare triple {12821#true} havoc ~main__j~0; {12821#true} is VALID [2020-07-18 06:36:24,370 INFO L280 TraceCheckUtils]: 9: Hoare triple {12821#true} havoc ~main__bufsize~0; {12821#true} is VALID [2020-07-18 06:36:24,370 INFO L280 TraceCheckUtils]: 10: Hoare triple {12821#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {12821#true} is VALID [2020-07-18 06:36:24,370 INFO L280 TraceCheckUtils]: 11: Hoare triple {12821#true} ~main__bufsize~0 := #t~nondet0; {12821#true} is VALID [2020-07-18 06:36:24,371 INFO L280 TraceCheckUtils]: 12: Hoare triple {12821#true} havoc #t~nondet0; {12821#true} is VALID [2020-07-18 06:36:24,372 INFO L280 TraceCheckUtils]: 13: Hoare triple {12821#true} assume !(~main__bufsize~0 < 0); {12821#true} is VALID [2020-07-18 06:36:24,372 INFO L280 TraceCheckUtils]: 14: Hoare triple {12821#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {12821#true} is VALID [2020-07-18 06:36:24,372 INFO L280 TraceCheckUtils]: 15: Hoare triple {12821#true} ~main__len~0 := #t~nondet1; {12821#true} is VALID [2020-07-18 06:36:24,372 INFO L280 TraceCheckUtils]: 16: Hoare triple {12821#true} havoc #t~nondet1; {12821#true} is VALID [2020-07-18 06:36:24,373 INFO L280 TraceCheckUtils]: 17: Hoare triple {12821#true} ~main__limit~0 := ~main__bufsize~0 - 4; {12821#true} is VALID [2020-07-18 06:36:24,373 INFO L280 TraceCheckUtils]: 18: Hoare triple {12821#true} ~main__i~0 := 0; {12821#true} is VALID [2020-07-18 06:36:24,373 INFO L280 TraceCheckUtils]: 19: Hoare triple {12821#true} assume ~main__i~0 < ~main__len~0; {12821#true} is VALID [2020-07-18 06:36:24,373 INFO L280 TraceCheckUtils]: 20: Hoare triple {12821#true} ~main__j~0 := 0; {12821#true} is VALID [2020-07-18 06:36:24,373 INFO L280 TraceCheckUtils]: 21: Hoare triple {12821#true} assume ~main__i~0 < ~main__len~0; {12821#true} is VALID [2020-07-18 06:36:24,374 INFO L280 TraceCheckUtils]: 22: Hoare triple {12821#true} assume ~main__j~0 < ~main__limit~0; {12821#true} is VALID [2020-07-18 06:36:24,375 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 06:36:24,377 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 06:36:24,377 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 06:36:24,378 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 06:36:24,379 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 06:36:24,379 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 06:36:24,380 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 06:36:24,381 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 06:36:24,382 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 06:36:24,383 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 06:36:24,383 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 06:36:24,384 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 06:36:24,386 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 06:36:24,387 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 06:36:24,387 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 06:36:24,388 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 06:36:24,388 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 06:36:24,389 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 06:36:24,390 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 06:36:24,390 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 06:36:24,412 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 06:36:24,413 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 06:36:24,414 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 06:36:24,414 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 06:36:24,415 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 06:36:24,415 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 06:36:24,417 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 06:36:24,417 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 06:36:24,418 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 06:36:24,419 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 06:36:24,420 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 06:36:24,420 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 06:36:24,421 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 06:36:24,422 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 06:36:24,422 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 06:36:24,423 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 06:36:24,424 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 06:36:24,425 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 06:36:24,426 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 06:36:24,427 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 06:36:24,428 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 06:36:24,429 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 06:36:24,430 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 06:36:24,432 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 06:36:24,432 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 06:36:24,433 INFO L280 TraceCheckUtils]: 68: Hoare triple {12822#false} assume !false; {12822#false} is VALID [2020-07-18 06:36:24,441 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 06:36:24,442 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1432856628] [2020-07-18 06:36:24,442 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 06:36:24,442 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-18 06:36:24,442 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760091267] [2020-07-18 06:36:24,443 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 69 [2020-07-18 06:36:24,443 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 06:36:24,443 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-18 06:36:24,518 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 06:36:24,518 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-18 06:36:24,519 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 06:36:24,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-18 06:36:24,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-18 06:36:24,519 INFO L87 Difference]: Start difference. First operand 136 states and 140 transitions. Second operand 7 states. [2020-07-18 06:36:29,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:36:29,195 INFO L93 Difference]: Finished difference Result 375 states and 390 transitions. [2020-07-18 06:36:29,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-18 06:36:29,195 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 69 [2020-07-18 06:36:29,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 06:36:29,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-18 06:36:29,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 387 transitions. [2020-07-18 06:36:29,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-18 06:36:29,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 387 transitions. [2020-07-18 06:36:29,203 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 387 transitions. [2020-07-18 06:36:29,760 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 06:36:29,766 INFO L225 Difference]: With dead ends: 375 [2020-07-18 06:36:29,766 INFO L226 Difference]: Without dead ends: 258 [2020-07-18 06:36:29,771 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 5 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 06:36:29,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2020-07-18 06:36:31,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 158. [2020-07-18 06:36:31,663 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 06:36:31,663 INFO L82 GeneralOperation]: Start isEquivalent. First operand 258 states. Second operand 158 states. [2020-07-18 06:36:31,663 INFO L74 IsIncluded]: Start isIncluded. First operand 258 states. Second operand 158 states. [2020-07-18 06:36:31,664 INFO L87 Difference]: Start difference. First operand 258 states. Second operand 158 states. [2020-07-18 06:36:31,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:36:31,671 INFO L93 Difference]: Finished difference Result 258 states and 266 transitions. [2020-07-18 06:36:31,671 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 266 transitions. [2020-07-18 06:36:31,672 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:36:31,673 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:36:31,673 INFO L74 IsIncluded]: Start isIncluded. First operand 158 states. Second operand 258 states. [2020-07-18 06:36:31,673 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 258 states. [2020-07-18 06:36:31,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:36:31,681 INFO L93 Difference]: Finished difference Result 258 states and 266 transitions. [2020-07-18 06:36:31,681 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 266 transitions. [2020-07-18 06:36:31,682 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:36:31,682 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:36:31,682 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 06:36:31,682 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 06:36:31,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-07-18 06:36:31,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 162 transitions. [2020-07-18 06:36:31,686 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 162 transitions. Word has length 69 [2020-07-18 06:36:31,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 06:36:31,687 INFO L479 AbstractCegarLoop]: Abstraction has 158 states and 162 transitions. [2020-07-18 06:36:31,687 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-18 06:36:31,687 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 158 states and 162 transitions. [2020-07-18 06:36:32,534 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 06:36:32,535 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 162 transitions. [2020-07-18 06:36:32,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-07-18 06:36:32,536 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 06:36:32,537 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 06:36:32,537 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-18 06:36:32,537 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 06:36:32,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 06:36:32,538 INFO L82 PathProgramCache]: Analyzing trace with hash -623432219, now seen corresponding path program 1 times [2020-07-18 06:36:32,538 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 06:36:32,538 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2044767071] [2020-07-18 06:36:32,538 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 06:36:32,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:36:32,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:36:32,642 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 06:36:32,643 INFO L280 TraceCheckUtils]: 1: Hoare triple {14432#true} ~__return_334~0 := 0; {14432#true} is VALID [2020-07-18 06:36:32,643 INFO L280 TraceCheckUtils]: 2: Hoare triple {14432#true} assume true; {14432#true} is VALID [2020-07-18 06:36:32,643 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {14432#true} {14432#true} #261#return; {14432#true} is VALID [2020-07-18 06:36:32,644 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 06:36:32,645 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 06:36:32,645 INFO L280 TraceCheckUtils]: 2: Hoare triple {14432#true} ~__return_334~0 := 0; {14432#true} is VALID [2020-07-18 06:36:32,645 INFO L280 TraceCheckUtils]: 3: Hoare triple {14432#true} assume true; {14432#true} is VALID [2020-07-18 06:36:32,645 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {14432#true} {14432#true} #261#return; {14432#true} is VALID [2020-07-18 06:36:32,645 INFO L263 TraceCheckUtils]: 5: Hoare triple {14432#true} call #t~ret3 := main(); {14432#true} is VALID [2020-07-18 06:36:32,646 INFO L280 TraceCheckUtils]: 6: Hoare triple {14432#true} havoc ~main__len~0; {14432#true} is VALID [2020-07-18 06:36:32,646 INFO L280 TraceCheckUtils]: 7: Hoare triple {14432#true} havoc ~main__i~0; {14432#true} is VALID [2020-07-18 06:36:32,646 INFO L280 TraceCheckUtils]: 8: Hoare triple {14432#true} havoc ~main__j~0; {14432#true} is VALID [2020-07-18 06:36:32,646 INFO L280 TraceCheckUtils]: 9: Hoare triple {14432#true} havoc ~main__bufsize~0; {14432#true} is VALID [2020-07-18 06:36:32,646 INFO L280 TraceCheckUtils]: 10: Hoare triple {14432#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {14432#true} is VALID [2020-07-18 06:36:32,647 INFO L280 TraceCheckUtils]: 11: Hoare triple {14432#true} ~main__bufsize~0 := #t~nondet0; {14432#true} is VALID [2020-07-18 06:36:32,647 INFO L280 TraceCheckUtils]: 12: Hoare triple {14432#true} havoc #t~nondet0; {14432#true} is VALID [2020-07-18 06:36:32,647 INFO L280 TraceCheckUtils]: 13: Hoare triple {14432#true} assume !(~main__bufsize~0 < 0); {14432#true} is VALID [2020-07-18 06:36:32,647 INFO L280 TraceCheckUtils]: 14: Hoare triple {14432#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {14432#true} is VALID [2020-07-18 06:36:32,648 INFO L280 TraceCheckUtils]: 15: Hoare triple {14432#true} ~main__len~0 := #t~nondet1; {14432#true} is VALID [2020-07-18 06:36:32,648 INFO L280 TraceCheckUtils]: 16: Hoare triple {14432#true} havoc #t~nondet1; {14432#true} is VALID [2020-07-18 06:36:32,648 INFO L280 TraceCheckUtils]: 17: Hoare triple {14432#true} ~main__limit~0 := ~main__bufsize~0 - 4; {14432#true} is VALID [2020-07-18 06:36:32,649 INFO L280 TraceCheckUtils]: 18: Hoare triple {14432#true} ~main__i~0 := 0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-18 06:36:32,650 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 06:36:32,651 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 06:36:32,651 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 06:36:32,652 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 06:36:32,653 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 06:36:32,653 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 06:36:32,654 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 06:36:32,655 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 06:36:32,655 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 06:36:32,656 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 06:36:32,657 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 06:36:32,658 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 06:36:32,659 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 06:36:32,659 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 06:36:32,660 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 06:36:32,661 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 06:36:32,662 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 06:36:32,662 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 06:36:32,663 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 06:36:32,664 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 06:36:32,665 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 06:36:32,666 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 06:36:32,667 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 06:36:32,668 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 06:36:32,669 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 06:36:32,670 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 06:36:32,670 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 06:36:32,671 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 06:36:32,672 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 06:36:32,673 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 06:36:32,674 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 06:36:32,674 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 06:36:32,675 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 06:36:32,676 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 06:36:32,677 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 06:36:32,678 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 06:36:32,678 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 06:36:32,679 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 06:36:32,683 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 06:36:32,684 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 06:36:32,685 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 06:36:32,686 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 06:36:32,687 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 06:36:32,688 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 06:36:32,688 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 06:36:32,689 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 06:36:32,690 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 06:36:32,691 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 06:36:32,691 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 06:36:32,692 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 06:36:32,693 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 06:36:32,694 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 06:36:32,695 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 06:36:32,696 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 06:36:32,696 INFO L280 TraceCheckUtils]: 73: Hoare triple {14433#false} assume !false; {14433#false} is VALID [2020-07-18 06:36:32,702 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 06:36:32,703 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2044767071] [2020-07-18 06:36:32,703 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 06:36:32,703 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-18 06:36:32,704 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7240814] [2020-07-18 06:36:32,704 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 74 [2020-07-18 06:36:32,705 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 06:36:32,705 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-18 06:36:32,799 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 06:36:32,799 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-18 06:36:32,800 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 06:36:32,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-18 06:36:32,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-18 06:36:32,800 INFO L87 Difference]: Start difference. First operand 158 states and 162 transitions. Second operand 7 states. [2020-07-18 06:36:38,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:36:38,844 INFO L93 Difference]: Finished difference Result 351 states and 362 transitions. [2020-07-18 06:36:38,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-18 06:36:38,844 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 74 [2020-07-18 06:36:38,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 06:36:38,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-18 06:36:38,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 288 transitions. [2020-07-18 06:36:38,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-18 06:36:38,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 288 transitions. [2020-07-18 06:36:38,851 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 288 transitions. [2020-07-18 06:36:39,348 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 06:36:39,356 INFO L225 Difference]: With dead ends: 351 [2020-07-18 06:36:39,356 INFO L226 Difference]: Without dead ends: 349 [2020-07-18 06:36:39,357 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2020-07-18 06:36:39,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2020-07-18 06:36:41,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 156. [2020-07-18 06:36:41,396 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 06:36:41,396 INFO L82 GeneralOperation]: Start isEquivalent. First operand 349 states. Second operand 156 states. [2020-07-18 06:36:41,396 INFO L74 IsIncluded]: Start isIncluded. First operand 349 states. Second operand 156 states. [2020-07-18 06:36:41,396 INFO L87 Difference]: Start difference. First operand 349 states. Second operand 156 states. [2020-07-18 06:36:41,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:36:41,406 INFO L93 Difference]: Finished difference Result 349 states and 360 transitions. [2020-07-18 06:36:41,406 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 360 transitions. [2020-07-18 06:36:41,407 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:36:41,407 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:36:41,407 INFO L74 IsIncluded]: Start isIncluded. First operand 156 states. Second operand 349 states. [2020-07-18 06:36:41,407 INFO L87 Difference]: Start difference. First operand 156 states. Second operand 349 states. [2020-07-18 06:36:41,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:36:41,414 INFO L93 Difference]: Finished difference Result 349 states and 360 transitions. [2020-07-18 06:36:41,414 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 360 transitions. [2020-07-18 06:36:41,415 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:36:41,415 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:36:41,415 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 06:36:41,416 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 06:36:41,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2020-07-18 06:36:41,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 160 transitions. [2020-07-18 06:36:41,418 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 160 transitions. Word has length 74 [2020-07-18 06:36:41,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 06:36:41,419 INFO L479 AbstractCegarLoop]: Abstraction has 156 states and 160 transitions. [2020-07-18 06:36:41,419 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-18 06:36:41,419 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 156 states and 160 transitions. [2020-07-18 06:36:42,243 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 06:36:42,243 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 160 transitions. [2020-07-18 06:36:42,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-07-18 06:36:42,245 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 06:36:42,245 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 06:36:42,245 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-07-18 06:36:42,245 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 06:36:42,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 06:36:42,246 INFO L82 PathProgramCache]: Analyzing trace with hash -1977531324, now seen corresponding path program 1 times [2020-07-18 06:36:42,246 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 06:36:42,247 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [92089634] [2020-07-18 06:36:42,247 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 06:36:42,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:36:42,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:36:42,399 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 06:36:42,399 INFO L280 TraceCheckUtils]: 1: Hoare triple {16167#true} ~__return_334~0 := 0; {16167#true} is VALID [2020-07-18 06:36:42,400 INFO L280 TraceCheckUtils]: 2: Hoare triple {16167#true} assume true; {16167#true} is VALID [2020-07-18 06:36:42,400 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {16167#true} {16167#true} #261#return; {16167#true} is VALID [2020-07-18 06:36:42,401 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 06:36:42,401 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 06:36:42,401 INFO L280 TraceCheckUtils]: 2: Hoare triple {16167#true} ~__return_334~0 := 0; {16167#true} is VALID [2020-07-18 06:36:42,401 INFO L280 TraceCheckUtils]: 3: Hoare triple {16167#true} assume true; {16167#true} is VALID [2020-07-18 06:36:42,401 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {16167#true} {16167#true} #261#return; {16167#true} is VALID [2020-07-18 06:36:42,401 INFO L263 TraceCheckUtils]: 5: Hoare triple {16167#true} call #t~ret3 := main(); {16167#true} is VALID [2020-07-18 06:36:42,401 INFO L280 TraceCheckUtils]: 6: Hoare triple {16167#true} havoc ~main__len~0; {16167#true} is VALID [2020-07-18 06:36:42,401 INFO L280 TraceCheckUtils]: 7: Hoare triple {16167#true} havoc ~main__i~0; {16167#true} is VALID [2020-07-18 06:36:42,402 INFO L280 TraceCheckUtils]: 8: Hoare triple {16167#true} havoc ~main__j~0; {16167#true} is VALID [2020-07-18 06:36:42,402 INFO L280 TraceCheckUtils]: 9: Hoare triple {16167#true} havoc ~main__bufsize~0; {16167#true} is VALID [2020-07-18 06:36:42,402 INFO L280 TraceCheckUtils]: 10: Hoare triple {16167#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {16167#true} is VALID [2020-07-18 06:36:42,402 INFO L280 TraceCheckUtils]: 11: Hoare triple {16167#true} ~main__bufsize~0 := #t~nondet0; {16167#true} is VALID [2020-07-18 06:36:42,402 INFO L280 TraceCheckUtils]: 12: Hoare triple {16167#true} havoc #t~nondet0; {16167#true} is VALID [2020-07-18 06:36:42,403 INFO L280 TraceCheckUtils]: 13: Hoare triple {16167#true} assume !(~main__bufsize~0 < 0); {16167#true} is VALID [2020-07-18 06:36:42,403 INFO L280 TraceCheckUtils]: 14: Hoare triple {16167#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {16167#true} is VALID [2020-07-18 06:36:42,403 INFO L280 TraceCheckUtils]: 15: Hoare triple {16167#true} ~main__len~0 := #t~nondet1; {16167#true} is VALID [2020-07-18 06:36:42,403 INFO L280 TraceCheckUtils]: 16: Hoare triple {16167#true} havoc #t~nondet1; {16167#true} is VALID [2020-07-18 06:36:42,405 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 06:36:42,406 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 06:36:42,407 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 06:36:42,407 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 06:36:42,408 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 06:36:42,408 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 06:36:42,409 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 06:36:42,409 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 06:36:42,410 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 06:36:42,410 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 06:36:42,410 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 06:36:42,411 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 06:36:42,411 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 06:36:42,412 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 06:36:42,412 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 06:36:42,412 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 06:36:42,413 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 06:36:42,413 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 06:36:42,414 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 06:36:42,414 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 06:36:42,414 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 06:36:42,415 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 06:36:42,415 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 06:36:42,416 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 06:36:42,416 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 06:36:42,418 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 06:36:42,419 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 06:36:42,421 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 06:36:42,423 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 06:36:42,425 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 06:36:42,427 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 06:36:42,429 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 06:36:42,430 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 06:36:42,431 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 06:36:42,432 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 06:36:42,432 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 06:36:42,433 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 06:36:42,433 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 06:36:42,434 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 06:36:42,434 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 06:36:42,435 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 06:36:42,435 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 06:36:42,436 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 06:36:42,437 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 06:36:42,438 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 06:36:42,439 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 06:36:42,439 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 06:36:42,440 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 06:36:42,440 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 06:36:42,442 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 06:36:42,443 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 06:36:42,445 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 06:36:42,447 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 06:36:42,448 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 06:36:42,448 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 06:36:42,449 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 06:36:42,450 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 06:36:42,450 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 06:36:42,451 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 06:36:42,452 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 06:36:42,452 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 06:36:42,453 INFO L280 TraceCheckUtils]: 78: Hoare triple {16168#false} assume !false; {16168#false} is VALID [2020-07-18 06:36:42,461 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 06:36:42,461 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [92089634] [2020-07-18 06:36:42,462 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 06:36:42,462 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-18 06:36:42,462 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455024988] [2020-07-18 06:36:42,462 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 79 [2020-07-18 06:36:42,463 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 06:36:42,463 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-18 06:36:42,554 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 06:36:42,555 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-18 06:36:42,555 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 06:36:42,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-18 06:36:42,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-18 06:36:42,556 INFO L87 Difference]: Start difference. First operand 156 states and 160 transitions. Second operand 8 states. [2020-07-18 06:36:47,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:36:47,760 INFO L93 Difference]: Finished difference Result 271 states and 282 transitions. [2020-07-18 06:36:47,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-18 06:36:47,760 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 79 [2020-07-18 06:36:47,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 06:36:47,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-18 06:36:47,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 231 transitions. [2020-07-18 06:36:47,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-18 06:36:47,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 231 transitions. [2020-07-18 06:36:47,765 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 231 transitions. [2020-07-18 06:36:48,170 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 06:36:48,176 INFO L225 Difference]: With dead ends: 271 [2020-07-18 06:36:48,177 INFO L226 Difference]: Without dead ends: 269 [2020-07-18 06:36:48,177 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2020-07-18 06:36:48,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2020-07-18 06:36:50,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 154. [2020-07-18 06:36:50,227 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 06:36:50,227 INFO L82 GeneralOperation]: Start isEquivalent. First operand 269 states. Second operand 154 states. [2020-07-18 06:36:50,227 INFO L74 IsIncluded]: Start isIncluded. First operand 269 states. Second operand 154 states. [2020-07-18 06:36:50,227 INFO L87 Difference]: Start difference. First operand 269 states. Second operand 154 states. [2020-07-18 06:36:50,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:36:50,234 INFO L93 Difference]: Finished difference Result 269 states and 280 transitions. [2020-07-18 06:36:50,234 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 280 transitions. [2020-07-18 06:36:50,235 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:36:50,235 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:36:50,235 INFO L74 IsIncluded]: Start isIncluded. First operand 154 states. Second operand 269 states. [2020-07-18 06:36:50,235 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 269 states. [2020-07-18 06:36:50,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:36:50,241 INFO L93 Difference]: Finished difference Result 269 states and 280 transitions. [2020-07-18 06:36:50,241 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 280 transitions. [2020-07-18 06:36:50,241 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:36:50,242 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:36:50,242 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 06:36:50,242 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 06:36:50,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-07-18 06:36:50,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 158 transitions. [2020-07-18 06:36:50,245 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 158 transitions. Word has length 79 [2020-07-18 06:36:50,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 06:36:50,246 INFO L479 AbstractCegarLoop]: Abstraction has 154 states and 158 transitions. [2020-07-18 06:36:50,246 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-18 06:36:50,246 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 154 states and 158 transitions. [2020-07-18 06:36:51,097 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 06:36:51,097 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 158 transitions. [2020-07-18 06:36:51,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-07-18 06:36:51,098 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 06:36:51,098 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 06:36:51,099 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-07-18 06:36:51,099 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 06:36:51,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 06:36:51,099 INFO L82 PathProgramCache]: Analyzing trace with hash 108101264, now seen corresponding path program 1 times [2020-07-18 06:36:51,100 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 06:36:51,100 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1706453474] [2020-07-18 06:36:51,100 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 06:36:51,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:36:51,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:36:51,220 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 06:36:51,220 INFO L280 TraceCheckUtils]: 1: Hoare triple {17585#true} ~__return_334~0 := 0; {17585#true} is VALID [2020-07-18 06:36:51,220 INFO L280 TraceCheckUtils]: 2: Hoare triple {17585#true} assume true; {17585#true} is VALID [2020-07-18 06:36:51,220 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {17585#true} {17585#true} #261#return; {17585#true} is VALID [2020-07-18 06:36:51,222 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 06:36:51,222 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 06:36:51,222 INFO L280 TraceCheckUtils]: 2: Hoare triple {17585#true} ~__return_334~0 := 0; {17585#true} is VALID [2020-07-18 06:36:51,222 INFO L280 TraceCheckUtils]: 3: Hoare triple {17585#true} assume true; {17585#true} is VALID [2020-07-18 06:36:51,223 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {17585#true} {17585#true} #261#return; {17585#true} is VALID [2020-07-18 06:36:51,223 INFO L263 TraceCheckUtils]: 5: Hoare triple {17585#true} call #t~ret3 := main(); {17585#true} is VALID [2020-07-18 06:36:51,223 INFO L280 TraceCheckUtils]: 6: Hoare triple {17585#true} havoc ~main__len~0; {17585#true} is VALID [2020-07-18 06:36:51,223 INFO L280 TraceCheckUtils]: 7: Hoare triple {17585#true} havoc ~main__i~0; {17585#true} is VALID [2020-07-18 06:36:51,224 INFO L280 TraceCheckUtils]: 8: Hoare triple {17585#true} havoc ~main__j~0; {17585#true} is VALID [2020-07-18 06:36:51,224 INFO L280 TraceCheckUtils]: 9: Hoare triple {17585#true} havoc ~main__bufsize~0; {17585#true} is VALID [2020-07-18 06:36:51,224 INFO L280 TraceCheckUtils]: 10: Hoare triple {17585#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {17585#true} is VALID [2020-07-18 06:36:51,224 INFO L280 TraceCheckUtils]: 11: Hoare triple {17585#true} ~main__bufsize~0 := #t~nondet0; {17585#true} is VALID [2020-07-18 06:36:51,224 INFO L280 TraceCheckUtils]: 12: Hoare triple {17585#true} havoc #t~nondet0; {17585#true} is VALID [2020-07-18 06:36:51,225 INFO L280 TraceCheckUtils]: 13: Hoare triple {17585#true} assume !(~main__bufsize~0 < 0); {17585#true} is VALID [2020-07-18 06:36:51,225 INFO L280 TraceCheckUtils]: 14: Hoare triple {17585#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {17585#true} is VALID [2020-07-18 06:36:51,225 INFO L280 TraceCheckUtils]: 15: Hoare triple {17585#true} ~main__len~0 := #t~nondet1; {17585#true} is VALID [2020-07-18 06:36:51,225 INFO L280 TraceCheckUtils]: 16: Hoare triple {17585#true} havoc #t~nondet1; {17585#true} is VALID [2020-07-18 06:36:51,226 INFO L280 TraceCheckUtils]: 17: Hoare triple {17585#true} ~main__limit~0 := ~main__bufsize~0 - 4; {17585#true} is VALID [2020-07-18 06:36:51,226 INFO L280 TraceCheckUtils]: 18: Hoare triple {17585#true} ~main__i~0 := 0; {17585#true} is VALID [2020-07-18 06:36:51,226 INFO L280 TraceCheckUtils]: 19: Hoare triple {17585#true} assume ~main__i~0 < ~main__len~0; {17585#true} is VALID [2020-07-18 06:36:51,227 INFO L280 TraceCheckUtils]: 20: Hoare triple {17585#true} ~main__j~0 := 0; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-18 06:36:51,228 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 06:36:51,229 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 06:36:51,230 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 06:36:51,231 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 06:36:51,232 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 06:36:51,233 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 06:36:51,234 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 06:36:51,235 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 06:36:51,235 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 06:36:51,236 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 06:36:51,237 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 06:36:51,238 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 06:36:51,239 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 06:36:51,239 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 06:36:51,240 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 06:36:51,241 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 06:36:51,242 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 06:36:51,244 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 06:36:51,245 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 06:36:51,246 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 06:36:51,247 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 06:36:51,248 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 06:36:51,248 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 06:36:51,249 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 06:36:51,250 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 06:36:51,250 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 06:36:51,251 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 06:36:51,251 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 06:36:51,252 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 06:36:51,253 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 06:36:51,253 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 06:36:51,254 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 06:36:51,254 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 06:36:51,255 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 06:36:51,256 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 06:36:51,256 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 06:36:51,257 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 06:36:51,257 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 06:36:51,258 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 06:36:51,259 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 06:36:51,260 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 06:36:51,260 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 06:36:51,261 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 06:36:51,262 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 06:36:51,262 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 06:36:51,263 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 06:36:51,264 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 06:36:51,265 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 06:36:51,266 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 06:36:51,267 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 06:36:51,268 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 06:36:51,269 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 06:36:51,270 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 06:36:51,271 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 06:36:51,272 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 06:36:51,276 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 06:36:51,277 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 06:36:51,278 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 06:36:51,280 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 06:36:51,281 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 06:36:51,282 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 06:36:51,283 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 06:36:51,283 INFO L280 TraceCheckUtils]: 83: Hoare triple {17586#false} assume !false; {17586#false} is VALID [2020-07-18 06:36:51,293 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 06:36:51,294 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1706453474] [2020-07-18 06:36:51,294 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 06:36:51,294 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-18 06:36:51,295 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884691317] [2020-07-18 06:36:51,295 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 84 [2020-07-18 06:36:51,296 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 06:36:51,296 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-18 06:36:51,404 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 06:36:51,405 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-18 06:36:51,405 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 06:36:51,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-18 06:36:51,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-18 06:36:51,406 INFO L87 Difference]: Start difference. First operand 154 states and 158 transitions. Second operand 7 states. [2020-07-18 06:36:59,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:36:59,999 INFO L93 Difference]: Finished difference Result 439 states and 453 transitions. [2020-07-18 06:36:59,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-18 06:36:59,999 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 84 [2020-07-18 06:36:59,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 06:36:59,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-18 06:37:00,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 359 transitions. [2020-07-18 06:37:00,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-18 06:37:00,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 359 transitions. [2020-07-18 06:37:00,004 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 359 transitions. [2020-07-18 06:37:00,561 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 06:37:00,572 INFO L225 Difference]: With dead ends: 439 [2020-07-18 06:37:00,572 INFO L226 Difference]: Without dead ends: 437 [2020-07-18 06:37:00,573 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2020-07-18 06:37:00,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2020-07-18 06:37:02,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 152. [2020-07-18 06:37:02,747 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 06:37:02,747 INFO L82 GeneralOperation]: Start isEquivalent. First operand 437 states. Second operand 152 states. [2020-07-18 06:37:02,747 INFO L74 IsIncluded]: Start isIncluded. First operand 437 states. Second operand 152 states. [2020-07-18 06:37:02,747 INFO L87 Difference]: Start difference. First operand 437 states. Second operand 152 states. [2020-07-18 06:37:02,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:37:02,758 INFO L93 Difference]: Finished difference Result 437 states and 451 transitions. [2020-07-18 06:37:02,758 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 451 transitions. [2020-07-18 06:37:02,759 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:37:02,759 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:37:02,759 INFO L74 IsIncluded]: Start isIncluded. First operand 152 states. Second operand 437 states. [2020-07-18 06:37:02,759 INFO L87 Difference]: Start difference. First operand 152 states. Second operand 437 states. [2020-07-18 06:37:02,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:37:02,772 INFO L93 Difference]: Finished difference Result 437 states and 451 transitions. [2020-07-18 06:37:02,772 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 451 transitions. [2020-07-18 06:37:02,773 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:37:02,773 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:37:02,773 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 06:37:02,773 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 06:37:02,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-07-18 06:37:02,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 156 transitions. [2020-07-18 06:37:02,776 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 156 transitions. Word has length 84 [2020-07-18 06:37:02,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 06:37:02,776 INFO L479 AbstractCegarLoop]: Abstraction has 152 states and 156 transitions. [2020-07-18 06:37:02,776 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-18 06:37:02,776 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 152 states and 156 transitions. [2020-07-18 06:37:03,688 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 06:37:03,688 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 156 transitions. [2020-07-18 06:37:03,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-18 06:37:03,690 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 06:37:03,690 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 06:37:03,690 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-07-18 06:37:03,690 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 06:37:03,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 06:37:03,691 INFO L82 PathProgramCache]: Analyzing trace with hash 274017809, now seen corresponding path program 1 times [2020-07-18 06:37:03,691 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 06:37:03,691 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1235468755] [2020-07-18 06:37:03,691 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 06:37:03,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:37:03,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:37:03,845 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 06:37:03,846 INFO L280 TraceCheckUtils]: 1: Hoare triple {19670#true} ~__return_334~0 := 0; {19670#true} is VALID [2020-07-18 06:37:03,846 INFO L280 TraceCheckUtils]: 2: Hoare triple {19670#true} assume true; {19670#true} is VALID [2020-07-18 06:37:03,846 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {19670#true} {19670#true} #261#return; {19670#true} is VALID [2020-07-18 06:37:03,847 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 06:37:03,847 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 06:37:03,847 INFO L280 TraceCheckUtils]: 2: Hoare triple {19670#true} ~__return_334~0 := 0; {19670#true} is VALID [2020-07-18 06:37:03,847 INFO L280 TraceCheckUtils]: 3: Hoare triple {19670#true} assume true; {19670#true} is VALID [2020-07-18 06:37:03,847 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {19670#true} {19670#true} #261#return; {19670#true} is VALID [2020-07-18 06:37:03,848 INFO L263 TraceCheckUtils]: 5: Hoare triple {19670#true} call #t~ret3 := main(); {19670#true} is VALID [2020-07-18 06:37:03,848 INFO L280 TraceCheckUtils]: 6: Hoare triple {19670#true} havoc ~main__len~0; {19670#true} is VALID [2020-07-18 06:37:03,848 INFO L280 TraceCheckUtils]: 7: Hoare triple {19670#true} havoc ~main__i~0; {19670#true} is VALID [2020-07-18 06:37:03,848 INFO L280 TraceCheckUtils]: 8: Hoare triple {19670#true} havoc ~main__j~0; {19670#true} is VALID [2020-07-18 06:37:03,848 INFO L280 TraceCheckUtils]: 9: Hoare triple {19670#true} havoc ~main__bufsize~0; {19670#true} is VALID [2020-07-18 06:37:03,849 INFO L280 TraceCheckUtils]: 10: Hoare triple {19670#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {19670#true} is VALID [2020-07-18 06:37:03,849 INFO L280 TraceCheckUtils]: 11: Hoare triple {19670#true} ~main__bufsize~0 := #t~nondet0; {19670#true} is VALID [2020-07-18 06:37:03,849 INFO L280 TraceCheckUtils]: 12: Hoare triple {19670#true} havoc #t~nondet0; {19670#true} is VALID [2020-07-18 06:37:03,849 INFO L280 TraceCheckUtils]: 13: Hoare triple {19670#true} assume !(~main__bufsize~0 < 0); {19670#true} is VALID [2020-07-18 06:37:03,849 INFO L280 TraceCheckUtils]: 14: Hoare triple {19670#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {19670#true} is VALID [2020-07-18 06:37:03,849 INFO L280 TraceCheckUtils]: 15: Hoare triple {19670#true} ~main__len~0 := #t~nondet1; {19670#true} is VALID [2020-07-18 06:37:03,850 INFO L280 TraceCheckUtils]: 16: Hoare triple {19670#true} havoc #t~nondet1; {19670#true} is VALID [2020-07-18 06:37:03,851 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 06:37:03,860 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 06:37:03,861 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 06:37:03,862 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 06:37:03,863 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 06:37:03,864 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 06:37:03,865 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 06:37:03,866 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 06:37:03,866 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 06:37:03,867 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 06:37:03,868 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 06:37:03,868 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 06:37:03,868 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 06:37:03,869 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 06:37:03,869 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 06:37:03,870 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 06:37:03,870 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 06:37:03,871 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 06:37:03,871 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 06:37:03,872 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 06:37:03,873 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 06:37:03,873 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 06:37:03,873 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 06:37:03,874 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 06:37:03,874 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 06:37:03,875 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 06:37:03,875 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 06:37:03,876 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 06:37:03,876 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 06:37:03,877 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 06:37:03,877 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 06:37:03,878 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 06:37:03,878 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 06:37:03,879 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 06:37:03,879 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 06:37:03,880 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 06:37:03,880 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 06:37:03,881 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 06:37:03,881 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 06:37:03,881 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 06:37:03,882 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 06:37:03,882 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 06:37:03,883 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 06:37:03,884 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 06:37:03,884 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 06:37:03,885 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 06:37:03,885 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 06:37:03,886 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 06:37:03,886 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 06:37:03,887 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 06:37:03,887 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 06:37:03,888 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 06:37:03,888 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 06:37:03,889 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 06:37:03,890 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 06:37:03,890 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 06:37:03,890 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 06:37:03,891 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 06:37:03,891 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 06:37:03,892 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 06:37:03,892 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 06:37:03,893 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 06:37:03,893 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 06:37:03,894 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 06:37:03,894 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 06:37:03,895 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 06:37:03,895 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 06:37:03,896 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 06:37:03,896 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 06:37:03,897 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 06:37:03,898 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 06:37:03,898 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 06:37:03,899 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 06:37:03,900 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 06:37:03,900 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 06:37:03,900 INFO L280 TraceCheckUtils]: 92: Hoare triple {19671#false} assume !false; {19671#false} is VALID [2020-07-18 06:37:03,911 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 06:37:03,911 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1235468755] [2020-07-18 06:37:03,912 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 06:37:03,912 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-18 06:37:03,912 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694943611] [2020-07-18 06:37:03,912 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 93 [2020-07-18 06:37:03,913 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 06:37:03,913 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states. [2020-07-18 06:37:04,033 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 06:37:04,033 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-18 06:37:04,033 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 06:37:04,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-18 06:37:04,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-07-18 06:37:04,034 INFO L87 Difference]: Start difference. First operand 152 states and 156 transitions. Second operand 9 states. [2020-07-18 06:37:10,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:37:10,088 INFO L93 Difference]: Finished difference Result 281 states and 292 transitions. [2020-07-18 06:37:10,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-18 06:37:10,088 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 93 [2020-07-18 06:37:10,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 06:37:10,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-18 06:37:10,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 241 transitions. [2020-07-18 06:37:10,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-18 06:37:10,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 241 transitions. [2020-07-18 06:37:10,093 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states and 241 transitions. [2020-07-18 06:37:10,527 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 06:37:10,534 INFO L225 Difference]: With dead ends: 281 [2020-07-18 06:37:10,534 INFO L226 Difference]: Without dead ends: 279 [2020-07-18 06:37:10,535 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2020-07-18 06:37:10,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2020-07-18 06:37:12,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 150. [2020-07-18 06:37:12,708 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 06:37:12,708 INFO L82 GeneralOperation]: Start isEquivalent. First operand 279 states. Second operand 150 states. [2020-07-18 06:37:12,708 INFO L74 IsIncluded]: Start isIncluded. First operand 279 states. Second operand 150 states. [2020-07-18 06:37:12,708 INFO L87 Difference]: Start difference. First operand 279 states. Second operand 150 states. [2020-07-18 06:37:12,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:37:12,714 INFO L93 Difference]: Finished difference Result 279 states and 290 transitions. [2020-07-18 06:37:12,714 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 290 transitions. [2020-07-18 06:37:12,714 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:37:12,715 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:37:12,715 INFO L74 IsIncluded]: Start isIncluded. First operand 150 states. Second operand 279 states. [2020-07-18 06:37:12,715 INFO L87 Difference]: Start difference. First operand 150 states. Second operand 279 states. [2020-07-18 06:37:12,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:37:12,721 INFO L93 Difference]: Finished difference Result 279 states and 290 transitions. [2020-07-18 06:37:12,721 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 290 transitions. [2020-07-18 06:37:12,722 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:37:12,722 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:37:12,722 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 06:37:12,723 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 06:37:12,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-07-18 06:37:12,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 154 transitions. [2020-07-18 06:37:12,726 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 154 transitions. Word has length 93 [2020-07-18 06:37:12,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 06:37:12,726 INFO L479 AbstractCegarLoop]: Abstraction has 150 states and 154 transitions. [2020-07-18 06:37:12,726 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-18 06:37:12,726 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 150 states and 154 transitions. [2020-07-18 06:37:13,716 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 06:37:13,717 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 154 transitions. [2020-07-18 06:37:13,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-18 06:37:13,718 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 06:37:13,719 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 06:37:13,719 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-07-18 06:37:13,719 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 06:37:13,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 06:37:13,720 INFO L82 PathProgramCache]: Analyzing trace with hash 1620264573, now seen corresponding path program 1 times [2020-07-18 06:37:13,720 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 06:37:13,720 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1674125774] [2020-07-18 06:37:13,720 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 06:37:13,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:37:13,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:37:13,834 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 06:37:13,835 INFO L280 TraceCheckUtils]: 1: Hoare triple {21125#true} ~__return_334~0 := 0; {21125#true} is VALID [2020-07-18 06:37:13,835 INFO L280 TraceCheckUtils]: 2: Hoare triple {21125#true} assume true; {21125#true} is VALID [2020-07-18 06:37:13,835 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {21125#true} {21125#true} #261#return; {21125#true} is VALID [2020-07-18 06:37:13,836 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 06:37:13,836 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 06:37:13,836 INFO L280 TraceCheckUtils]: 2: Hoare triple {21125#true} ~__return_334~0 := 0; {21125#true} is VALID [2020-07-18 06:37:13,836 INFO L280 TraceCheckUtils]: 3: Hoare triple {21125#true} assume true; {21125#true} is VALID [2020-07-18 06:37:13,837 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {21125#true} {21125#true} #261#return; {21125#true} is VALID [2020-07-18 06:37:13,837 INFO L263 TraceCheckUtils]: 5: Hoare triple {21125#true} call #t~ret3 := main(); {21125#true} is VALID [2020-07-18 06:37:13,837 INFO L280 TraceCheckUtils]: 6: Hoare triple {21125#true} havoc ~main__len~0; {21125#true} is VALID [2020-07-18 06:37:13,838 INFO L280 TraceCheckUtils]: 7: Hoare triple {21125#true} havoc ~main__i~0; {21125#true} is VALID [2020-07-18 06:37:13,838 INFO L280 TraceCheckUtils]: 8: Hoare triple {21125#true} havoc ~main__j~0; {21125#true} is VALID [2020-07-18 06:37:13,838 INFO L280 TraceCheckUtils]: 9: Hoare triple {21125#true} havoc ~main__bufsize~0; {21125#true} is VALID [2020-07-18 06:37:13,838 INFO L280 TraceCheckUtils]: 10: Hoare triple {21125#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {21125#true} is VALID [2020-07-18 06:37:13,838 INFO L280 TraceCheckUtils]: 11: Hoare triple {21125#true} ~main__bufsize~0 := #t~nondet0; {21125#true} is VALID [2020-07-18 06:37:13,838 INFO L280 TraceCheckUtils]: 12: Hoare triple {21125#true} havoc #t~nondet0; {21125#true} is VALID [2020-07-18 06:37:13,839 INFO L280 TraceCheckUtils]: 13: Hoare triple {21125#true} assume !(~main__bufsize~0 < 0); {21125#true} is VALID [2020-07-18 06:37:13,839 INFO L280 TraceCheckUtils]: 14: Hoare triple {21125#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {21125#true} is VALID [2020-07-18 06:37:13,839 INFO L280 TraceCheckUtils]: 15: Hoare triple {21125#true} ~main__len~0 := #t~nondet1; {21125#true} is VALID [2020-07-18 06:37:13,840 INFO L280 TraceCheckUtils]: 16: Hoare triple {21125#true} havoc #t~nondet1; {21125#true} is VALID [2020-07-18 06:37:13,840 INFO L280 TraceCheckUtils]: 17: Hoare triple {21125#true} ~main__limit~0 := ~main__bufsize~0 - 4; {21125#true} is VALID [2020-07-18 06:37:13,840 INFO L280 TraceCheckUtils]: 18: Hoare triple {21125#true} ~main__i~0 := 0; {21125#true} is VALID [2020-07-18 06:37:13,840 INFO L280 TraceCheckUtils]: 19: Hoare triple {21125#true} assume ~main__i~0 < ~main__len~0; {21125#true} is VALID [2020-07-18 06:37:13,842 INFO L280 TraceCheckUtils]: 20: Hoare triple {21125#true} ~main__j~0 := 0; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-18 06:37:13,843 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 06:37:13,844 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 06:37:13,845 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 06:37:13,846 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 06:37:13,847 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 06:37:13,848 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 06:37:13,848 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 06:37:13,849 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 06:37:13,850 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 06:37:13,851 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 06:37:13,852 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 06:37:13,853 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 06:37:13,854 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 06:37:13,856 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 06:37:13,856 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 06:37:13,857 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 06:37:13,858 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 06:37:13,858 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 06:37:13,859 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 06:37:13,859 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 06:37:13,860 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 06:37:13,861 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 06:37:13,862 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 06:37:13,862 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 06:37:13,863 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 06:37:13,864 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 06:37:13,865 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 06:37:13,866 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 06:37:13,866 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 06:37:13,867 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 06:37:13,868 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 06:37:13,869 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 06:37:13,870 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 06:37:13,871 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 06:37:13,872 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 06:37:13,872 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 06:37:13,873 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 06:37:13,875 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 06:37:13,876 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 06:37:13,877 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 06:37:13,877 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 06:37:13,878 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 06:37:13,878 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 06:37:13,879 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 06:37:13,880 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 06:37:13,880 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 06:37:13,881 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 06:37:13,882 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 06:37:13,882 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 06:37:13,883 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 06:37:13,883 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 06:37:13,884 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 06:37:13,886 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 06:37:13,887 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 06:37:13,888 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 06:37:13,888 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 06:37:13,889 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 06:37:13,890 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 06:37:13,890 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 06:37:13,891 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 06:37:13,892 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 06:37:13,893 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 06:37:13,894 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 06:37:13,895 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 06:37:13,896 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 06:37:13,897 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 06:37:13,897 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 06:37:13,898 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 06:37:13,899 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 06:37:13,900 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 06:37:13,901 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 06:37:13,901 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 06:37:13,903 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 06:37:13,904 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 06:37:13,905 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 06:37:13,907 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 06:37:13,907 INFO L280 TraceCheckUtils]: 97: Hoare triple {21126#false} assume !false; {21126#false} is VALID [2020-07-18 06:37:13,926 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 06:37:13,927 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1674125774] [2020-07-18 06:37:13,931 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 06:37:13,932 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-18 06:37:13,932 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173256449] [2020-07-18 06:37:13,933 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2020-07-18 06:37:13,933 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 06:37:13,933 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-18 06:37:14,104 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 06:37:14,104 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-18 06:37:14,105 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 06:37:14,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-18 06:37:14,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-18 06:37:14,106 INFO L87 Difference]: Start difference. First operand 150 states and 154 transitions. Second operand 8 states. [2020-07-18 06:37:28,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:37:28,756 INFO L93 Difference]: Finished difference Result 679 states and 701 transitions. [2020-07-18 06:37:28,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-18 06:37:28,756 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2020-07-18 06:37:28,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 06:37:28,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-18 06:37:28,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 557 transitions. [2020-07-18 06:37:28,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-18 06:37:28,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 557 transitions. [2020-07-18 06:37:28,761 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 557 transitions. [2020-07-18 06:37:29,584 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 06:37:29,584 INFO L225 Difference]: With dead ends: 679 [2020-07-18 06:37:29,585 INFO L226 Difference]: Without dead ends: 0 [2020-07-18 06:37:29,588 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2020-07-18 06:37:29,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-18 06:37:29,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-18 06:37:29,589 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 06:37:29,589 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-18 06:37:29,589 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-18 06:37:29,589 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-18 06:37:29,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:37:29,589 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-18 06:37:29,589 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-18 06:37:29,589 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:37:29,589 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:37:29,589 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-18 06:37:29,590 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-18 06:37:29,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:37:29,590 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-18 06:37:29,590 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-18 06:37:29,590 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:37:29,590 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:37:29,590 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 06:37:29,590 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 06:37:29,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-18 06:37:29,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-18 06:37:29,591 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 98 [2020-07-18 06:37:29,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 06:37:29,591 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-18 06:37:29,591 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-18 06:37:29,591 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 0 states and 0 transitions. [2020-07-18 06:37:29,591 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 06:37:29,591 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-18 06:37:29,591 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:37:29,592 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-07-18 06:37:29,593 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-18 06:37:29,774 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 112 [2020-07-18 06:37:29,895 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 134 [2020-07-18 06:37:30,224 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 95 [2020-07-18 06:37:30,542 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 71 [2020-07-18 06:37:30,897 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 150 [2020-07-18 06:37:31,066 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 121 [2020-07-18 06:37:31,204 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 119 [2020-07-18 06:37:31,344 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 99 [2020-07-18 06:37:31,689 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 141 [2020-07-18 06:37:32,018 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 141 [2020-07-18 06:37:32,200 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 102 [2020-07-18 06:37:32,316 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 141 [2020-07-18 06:37:32,531 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 133 [2020-07-18 06:37:32,663 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 141 [2020-07-18 06:37:32,846 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 163 [2020-07-18 06:37:32,997 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 146 [2020-07-18 06:37:33,131 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 155 [2020-07-18 06:37:33,400 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 145 [2020-07-18 06:37:33,525 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 146 [2020-07-18 06:37:33,639 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 142 [2020-07-18 06:37:33,797 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 163 [2020-07-18 06:37:33,902 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 166 [2020-07-18 06:37:34,334 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 111 [2020-07-18 06:37:35,287 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 153 [2020-07-18 06:37:35,401 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 144 [2020-07-18 06:37:35,506 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 148 [2020-07-18 06:37:35,876 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 120 [2020-07-18 06:37:35,991 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 154 [2020-07-18 06:37:36,101 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 153 [2020-07-18 06:37:37,256 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 125 [2020-07-18 06:37:37,436 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 150 [2020-07-18 06:37:37,545 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 171 [2020-07-18 06:37:37,661 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 164 [2020-07-18 06:37:37,768 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 160 [2020-07-18 06:37:37,873 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 166 [2020-07-18 06:37:38,215 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 53 [2020-07-18 06:37:38,649 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 57 [2020-07-18 06:37:38,812 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 77 [2020-07-18 06:37:38,996 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 20 [2020-07-18 06:37:39,108 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 20 [2020-07-18 06:37:39,548 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 28 [2020-07-18 06:37:39,762 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 40 [2020-07-18 06:37:40,107 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 38 [2020-07-18 06:37:40,294 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 45 [2020-07-18 06:37:40,523 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 66 [2020-07-18 06:37:40,743 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 69 [2020-07-18 06:37:40,984 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 75 [2020-07-18 06:37:41,146 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 80 [2020-07-18 06:37:41,468 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 35 [2020-07-18 06:37:41,730 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 57 [2020-07-18 06:37:41,850 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2020-07-18 06:37:42,088 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 66 [2020-07-18 06:37:42,382 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 35 [2020-07-18 06:37:42,559 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 89 [2020-07-18 06:37:42,855 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 16 [2020-07-18 06:37:43,153 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 35 [2020-07-18 06:37:43,337 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 26 [2020-07-18 06:37:43,628 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 31 [2020-07-18 06:37:43,920 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 35 [2020-07-18 06:37:44,473 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 39 [2020-07-18 06:37:44,951 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 42 [2020-07-18 06:37:45,318 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 46 [2020-07-18 06:37:45,600 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 80 [2020-07-18 06:37:45,761 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2020-07-18 06:37:45,937 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 89 [2020-07-18 06:37:46,302 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 26 [2020-07-18 06:37:46,709 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 30 [2020-07-18 06:37:47,103 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 35 [2020-07-18 06:37:47,618 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 39 [2020-07-18 06:37:48,106 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 45 [2020-07-18 06:37:48,363 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 39 [2020-07-18 06:37:48,555 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 42 [2020-07-18 06:37:48,798 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 48 [2020-07-18 06:37:49,049 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 50 [2020-07-18 06:37:49,159 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 55 [2020-07-18 06:37:49,326 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2020-07-18 06:37:49,641 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 20 [2020-07-18 06:37:49,814 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 13 [2020-07-18 06:37:50,017 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 34 [2020-07-18 06:37:50,283 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 39 [2020-07-18 06:37:50,475 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 61 [2020-07-18 06:37:50,814 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 63 [2020-07-18 06:37:50,958 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 69 [2020-07-18 06:37:51,207 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 72 [2020-07-18 06:37:51,359 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2020-07-18 06:37:51,617 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 30 [2020-07-18 06:37:51,870 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 34 [2020-07-18 06:37:52,169 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 61 [2020-07-18 06:37:52,348 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2020-07-18 06:37:52,520 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2020-07-18 06:37:52,753 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 23 [2020-07-18 06:37:53,019 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 30 [2020-07-18 06:37:53,317 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 35 [2020-07-18 06:37:53,711 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 35 [2020-07-18 06:37:54,036 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 36 [2020-07-18 06:37:54,398 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 44 [2020-07-18 06:37:54,744 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 46 [2020-07-18 06:37:55,089 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 50 [2020-07-18 06:37:55,617 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 57 [2020-07-18 06:37:55,786 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 77 [2020-07-18 06:37:55,960 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2020-07-18 06:37:56,148 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 89 [2020-07-18 06:37:56,477 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 25 [2020-07-18 06:37:56,874 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 29 [2020-07-18 06:37:57,261 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 35 [2020-07-18 06:37:57,449 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 35 [2020-07-18 06:37:57,752 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 41 [2020-07-18 06:37:58,036 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 46 [2020-07-18 06:37:58,367 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 50 [2020-07-18 06:37:58,725 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 72 [2020-07-18 06:37:58,996 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 75 [2020-07-18 06:37:59,168 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 80 [2020-07-18 06:37:59,346 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 19 [2020-07-18 06:37:59,679 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 35 [2020-07-18 06:37:59,903 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 58 [2020-07-18 06:38:00,033 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 63 [2020-07-18 06:38:00,279 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 67 [2020-07-18 06:38:00,530 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 72 [2020-07-18 06:38:00,692 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2020-07-18 06:38:00,984 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 28 [2020-07-18 06:38:01,259 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 32 [2020-07-18 06:38:01,589 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 35 [2020-07-18 06:38:02,114 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 45 [2020-07-18 06:38:02,382 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 54 [2020-07-18 06:38:02,543 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 80 [2020-07-18 06:38:02,722 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2020-07-18 06:38:03,223 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 43 [2020-07-18 06:38:03,586 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 25 [2020-07-18 06:38:04,058 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 28 [2020-07-18 06:38:04,585 WARN L193 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 31 [2020-07-18 06:38:05,260 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 37 [2020-07-18 06:38:05,852 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 39 [2020-07-18 06:38:06,359 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 45 [2020-07-18 06:38:06,566 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 45 [2020-07-18 06:38:06,841 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 49 [2020-07-18 06:38:06,848 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-07-18 06:38:06,848 INFO L271 CegarLoopResult]: At program point L10(line 10) the Hoare annotation is: true [2020-07-18 06:38:06,849 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 06:38:06,849 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-07-18 06:38:06,849 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-07-18 06:38:06,849 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-18 06:38:06,849 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-18 06:38:06,849 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-07-18 06:38:06,850 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 4 6) no Hoare annotation was computed. [2020-07-18 06:38:06,850 INFO L268 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2020-07-18 06:38:06,850 INFO L268 CegarLoopResult]: For program point L5-1(line 5) no Hoare annotation was computed. [2020-07-18 06:38:06,850 INFO L268 CegarLoopResult]: For program point L5-3(lines 4 6) no Hoare annotation was computed. [2020-07-18 06:38:06,850 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 4 6) no Hoare annotation was computed. [2020-07-18 06:38:06,850 INFO L264 CegarLoopResult]: At program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 86) the Hoare annotation is: false [2020-07-18 06:38:06,851 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 06:38:06,851 INFO L271 CegarLoopResult]: At program point mainEXIT(lines 11 311) the Hoare annotation is: true [2020-07-18 06:38:06,851 INFO L264 CegarLoopResult]: At program point L151(line 151) the Hoare annotation is: false [2020-07-18 06:38:06,852 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 06:38:06,852 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 06:38:06,852 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 06:38:06,853 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 06:38:06,853 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 06:38:06,853 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 06:38:06,853 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 06:38:06,853 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 06:38:06,853 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 06:38:06,854 INFO L264 CegarLoopResult]: At program point L152(line 152) the Hoare annotation is: false [2020-07-18 06:38:06,854 INFO L264 CegarLoopResult]: At program point L86(line 86) the Hoare annotation is: false [2020-07-18 06:38:06,854 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 06:38:06,854 INFO L264 CegarLoopResult]: At program point L20(line 20) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-18 06:38:06,854 INFO L264 CegarLoopResult]: At program point mainErr14ASSERT_VIOLATIONERROR_FUNCTION(line 243) the Hoare annotation is: false [2020-07-18 06:38:06,854 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 06:38:06,854 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 06:38:06,855 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 06:38:06,855 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 06:38:06,855 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 06:38:06,855 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 06:38:06,855 INFO L264 CegarLoopResult]: At program point L87(line 87) the Hoare annotation is: false [2020-07-18 06:38:06,855 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 06:38:06,855 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 06:38:06,856 INFO L271 CegarLoopResult]: At program point mainFINAL(lines 11 311) the Hoare annotation is: true [2020-07-18 06:38:06,856 INFO L264 CegarLoopResult]: At program point L203(line 203) the Hoare annotation is: false [2020-07-18 06:38:06,856 INFO L264 CegarLoopResult]: At program point mainErr13ASSERT_VIOLATIONERROR_FUNCTION(line 227) the Hoare annotation is: false [2020-07-18 06:38:06,856 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 06:38:06,856 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 06:38:06,856 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 06:38:06,857 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 06:38:06,857 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 06:38:06,857 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 06:38:06,857 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 06:38:06,858 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 06:38:06,858 INFO L264 CegarLoopResult]: At program point L204(line 204) the Hoare annotation is: false [2020-07-18 06:38:06,858 INFO L264 CegarLoopResult]: At program point mainErr8ASSERT_VIOLATIONERROR_FUNCTION(line 163) the Hoare annotation is: false [2020-07-18 06:38:06,858 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 06:38:06,858 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 06:38:06,858 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 06:38:06,859 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 06:38:06,859 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 06:38:06,859 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 06:38:06,859 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 06:38:06,860 INFO L264 CegarLoopResult]: At program point mainErr15ASSERT_VIOLATIONERROR_FUNCTION(line 255) the Hoare annotation is: false [2020-07-18 06:38:06,860 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 06:38:06,860 INFO L264 CegarLoopResult]: At program point L139(line 139) the Hoare annotation is: false [2020-07-18 06:38:06,860 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 06:38:06,860 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 06:38:06,860 INFO L264 CegarLoopResult]: At program point L255(line 255) the Hoare annotation is: false [2020-07-18 06:38:06,860 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 06:38:06,861 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 06:38:06,861 INFO L264 CegarLoopResult]: At program point L57(line 57) the Hoare annotation is: false [2020-07-18 06:38:06,861 INFO L264 CegarLoopResult]: At program point L24(line 24) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-18 06:38:06,861 INFO L264 CegarLoopResult]: At program point L24-1(line 24) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-18 06:38:06,861 INFO L264 CegarLoopResult]: At program point L24-2(line 24) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-18 06:38:06,861 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 06:38:06,861 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 06:38:06,861 INFO L264 CegarLoopResult]: At program point L140(line 140) the Hoare annotation is: false [2020-07-18 06:38:06,862 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 06:38:06,862 INFO L264 CegarLoopResult]: At program point L74(line 74) the Hoare annotation is: false [2020-07-18 06:38:06,862 INFO L264 CegarLoopResult]: At program point mainErr10ASSERT_VIOLATIONERROR_FUNCTION(line 191) the Hoare annotation is: false [2020-07-18 06:38:06,862 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 06:38:06,862 INFO L264 CegarLoopResult]: At program point L256(line 256) the Hoare annotation is: false [2020-07-18 06:38:06,862 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 06:38:06,863 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 06:38:06,863 INFO L264 CegarLoopResult]: At program point L58(line 58) the Hoare annotation is: false [2020-07-18 06:38:06,863 INFO L264 CegarLoopResult]: At program point L25(line 25) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-18 06:38:06,863 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 06:38:06,863 INFO L264 CegarLoopResult]: At program point mainErr9ASSERT_VIOLATIONERROR_FUNCTION(line 175) the Hoare annotation is: false [2020-07-18 06:38:06,864 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 06:38:06,864 INFO L264 CegarLoopResult]: At program point L75(line 75) the Hoare annotation is: false [2020-07-18 06:38:06,864 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 06:38:06,864 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 06:38:06,864 INFO L264 CegarLoopResult]: At program point L191(line 191) the Hoare annotation is: false [2020-07-18 06:38:06,865 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 06:38:06,865 INFO L264 CegarLoopResult]: At program point mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 98) the Hoare annotation is: false [2020-07-18 06:38:06,865 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 06:38:06,865 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 06:38:06,865 INFO L264 CegarLoopResult]: At program point L307(line 307) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-18 06:38:06,865 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 06:38:06,866 INFO L264 CegarLoopResult]: At program point L175(line 175) the Hoare annotation is: false [2020-07-18 06:38:06,866 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 06:38:06,866 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 06:38:06,866 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 06:38:06,866 INFO L264 CegarLoopResult]: At program point L192(line 192) the Hoare annotation is: false [2020-07-18 06:38:06,867 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 06:38:06,867 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 06:38:06,867 INFO L271 CegarLoopResult]: At program point L308(line 308) the Hoare annotation is: true [2020-07-18 06:38:06,867 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 06:38:06,867 INFO L264 CegarLoopResult]: At program point L176(line 176) the Hoare annotation is: false [2020-07-18 06:38:06,867 INFO L264 CegarLoopResult]: At program point L110(line 110) the Hoare annotation is: false [2020-07-18 06:38:06,867 INFO L264 CegarLoopResult]: At program point mainErr11ASSERT_VIOLATIONERROR_FUNCTION(line 203) the Hoare annotation is: false [2020-07-18 06:38:06,868 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 06:38:06,868 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 06:38:06,868 INFO L264 CegarLoopResult]: At program point mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 139) the Hoare annotation is: false [2020-07-18 06:38:06,868 INFO L264 CegarLoopResult]: At program point L243(line 243) the Hoare annotation is: false [2020-07-18 06:38:06,868 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 06:38:06,868 INFO L264 CegarLoopResult]: At program point L111(line 111) the Hoare annotation is: false [2020-07-18 06:38:06,869 INFO L264 CegarLoopResult]: At program point L45(line 45) the Hoare annotation is: false [2020-07-18 06:38:06,869 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 06:38:06,869 INFO L264 CegarLoopResult]: At program point L227(line 227) the Hoare annotation is: false [2020-07-18 06:38:06,869 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 06:38:06,869 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 06:38:06,870 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 06:38:06,870 INFO L264 CegarLoopResult]: At program point mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 110) the Hoare annotation is: false [2020-07-18 06:38:06,870 INFO L264 CegarLoopResult]: At program point L244(line 244) the Hoare annotation is: false [2020-07-18 06:38:06,870 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 06:38:06,870 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 06:38:06,870 INFO L264 CegarLoopResult]: At program point L46(line 46) the Hoare annotation is: false [2020-07-18 06:38:06,871 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 06:38:06,871 INFO L264 CegarLoopResult]: At program point L228(line 228) the Hoare annotation is: false [2020-07-18 06:38:06,871 INFO L264 CegarLoopResult]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 45) the Hoare annotation is: false [2020-07-18 06:38:06,871 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 06:38:06,871 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 06:38:06,872 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 06:38:06,872 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 06:38:06,872 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 11 311) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-18 06:38:06,872 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 06:38:06,872 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 06:38:06,873 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 06:38:06,873 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 06:38:06,873 INFO L264 CegarLoopResult]: At program point L14(line 14) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-18 06:38:06,873 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 06:38:06,873 INFO L264 CegarLoopResult]: At program point L163(line 163) the Hoare annotation is: false [2020-07-18 06:38:06,874 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 06:38:06,874 INFO L264 CegarLoopResult]: At program point mainErr7ASSERT_VIOLATIONERROR_FUNCTION(line 151) the Hoare annotation is: false [2020-07-18 06:38:06,874 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 06:38:06,874 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 06:38:06,874 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 06:38:06,875 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 06:38:06,875 INFO L264 CegarLoopResult]: At program point L15(line 15) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-18 06:38:06,875 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 06:38:06,875 INFO L264 CegarLoopResult]: At program point L164(line 164) the Hoare annotation is: false [2020-07-18 06:38:06,875 INFO L264 CegarLoopResult]: At program point L98(line 98) the Hoare annotation is: false [2020-07-18 06:38:06,875 INFO L264 CegarLoopResult]: At program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 74) the Hoare annotation is: false [2020-07-18 06:38:06,876 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 06:38:06,876 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 06:38:06,876 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 06:38:06,876 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 06:38:06,876 INFO L264 CegarLoopResult]: At program point L16(line 16) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-18 06:38:06,877 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 06:38:06,877 INFO L264 CegarLoopResult]: At program point L99(line 99) the Hoare annotation is: false [2020-07-18 06:38:06,877 INFO L264 CegarLoopResult]: At program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 57) the Hoare annotation is: false [2020-07-18 06:38:06,877 INFO L264 CegarLoopResult]: At program point L215(line 215) the Hoare annotation is: false [2020-07-18 06:38:06,877 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 06:38:06,878 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 06:38:06,878 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 06:38:06,878 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 06:38:06,878 INFO L264 CegarLoopResult]: At program point L17(line 17) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-18 06:38:06,878 INFO L264 CegarLoopResult]: At program point L17-1(line 17) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-18 06:38:06,878 INFO L264 CegarLoopResult]: At program point L17-2(line 17) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-18 06:38:06,879 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 06:38:06,879 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 06:38:06,879 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 06:38:06,879 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 06:38:06,880 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 06:38:06,880 INFO L264 CegarLoopResult]: At program point L216(line 216) the Hoare annotation is: false [2020-07-18 06:38:06,880 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 06:38:06,880 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 06:38:06,880 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 06:38:06,880 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 06:38:06,881 INFO L264 CegarLoopResult]: At program point L18(lines 18 310) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-18 06:38:06,881 INFO L264 CegarLoopResult]: At program point mainErr12ASSERT_VIOLATIONERROR_FUNCTION(line 215) the Hoare annotation is: false [2020-07-18 06:38:06,881 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 06:38:06,881 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 06:38:06,881 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 06:38:06,890 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2020-07-18 06:38:06,891 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2020-07-18 06:38:06,891 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2020-07-18 06:38:06,891 WARN L170 areAnnotationChecker]: L5-1 has no Hoare annotation [2020-07-18 06:38:06,891 WARN L170 areAnnotationChecker]: L5-3 has no Hoare annotation [2020-07-18 06:38:07,036 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 06:38:07,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.07 06:38:07 BoogieIcfgContainer [2020-07-18 06:38:07,057 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-18 06:38:07,059 INFO L168 Benchmark]: Toolchain (without parser) took 155601.08 ms. Allocated memory was 137.9 MB in the beginning and 632.3 MB in the end (delta: 494.4 MB). Free memory was 101.6 MB in the beginning and 593.0 MB in the end (delta: -491.4 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2020-07-18 06:38:07,060 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 137.9 MB. Free memory was 120.1 MB in the beginning and 119.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-18 06:38:07,060 INFO L168 Benchmark]: CACSL2BoogieTranslator took 529.93 ms. Allocated memory is still 137.9 MB. Free memory was 101.2 MB in the beginning and 88.1 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. [2020-07-18 06:38:07,061 INFO L168 Benchmark]: Boogie Preprocessor took 214.46 ms. Allocated memory was 137.9 MB in the beginning and 204.5 MB in the end (delta: 66.6 MB). Free memory was 88.1 MB in the beginning and 181.7 MB in the end (delta: -93.6 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2020-07-18 06:38:07,061 INFO L168 Benchmark]: RCFGBuilder took 955.83 ms. Allocated memory is still 204.5 MB. Free memory was 181.7 MB in the beginning and 127.9 MB in the end (delta: 53.8 MB). Peak memory consumption was 53.8 MB. Max. memory is 7.1 GB. [2020-07-18 06:38:07,062 INFO L168 Benchmark]: TraceAbstraction took 153892.03 ms. Allocated memory was 204.5 MB in the beginning and 632.3 MB in the end (delta: 427.8 MB). Free memory was 127.9 MB in the beginning and 593.0 MB in the end (delta: -465.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-07-18 06:38:07,065 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 0.31 ms. Allocated memory is still 137.9 MB. Free memory was 120.1 MB in the beginning and 119.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 529.93 ms. Allocated memory is still 137.9 MB. Free memory was 101.2 MB in the beginning and 88.1 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 214.46 ms. Allocated memory was 137.9 MB in the beginning and 204.5 MB in the end (delta: 66.6 MB). Free memory was 88.1 MB in the beginning and 181.7 MB in the end (delta: -93.6 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 955.83 ms. Allocated memory is still 204.5 MB. Free memory was 181.7 MB in the beginning and 127.9 MB in the end (delta: 53.8 MB). Peak memory consumption was 53.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 153892.03 ms. Allocated memory was 204.5 MB in the beginning and 632.3 MB in the end (delta: 427.8 MB). Free memory was 127.9 MB in the beginning and 593.0 MB in the end (delta: -465.0 MB). There was no memory consumed. 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: 116.3s, OverallIterations: 16, TraceHistogramMax: 1, AutomataDifference: 81.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 37.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3461 SDtfs, 8686 SDslu, 396 SDs, 0 SdLazy, 6219 SolverSat, 240 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 243 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 175 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=178occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 20.8s AutomataMinimizationTime, 16 MinimizatonAttempts, 1653 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 178 LocationsWithAnnotation, 178 PreInvPairs, 848 NumberOfFragments, 6575 HoareAnnotationTreeSize, 178 FomulaSimplifications, 3317376878 FormulaSimplificationTreeSizeReduction, 8.3s HoareSimplificationTime, 178 FomulaSimplificationsInter, 18240044 FormulaSimplificationTreeSizeReductionInter, 28.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 922 NumberOfCodeBlocks, 922 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 906 ConstructedInterpolants, 0 QuantifiedInterpolants, 182160 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...