/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-10 20:22:48,059 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-10 20:22:48,062 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-10 20:22:48,080 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-10 20:22:48,080 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-10 20:22:48,082 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-10 20:22:48,084 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-10 20:22:48,094 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-10 20:22:48,098 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-10 20:22:48,101 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-10 20:22:48,103 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-10 20:22:48,105 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-10 20:22:48,106 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-10 20:22:48,107 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-10 20:22:48,110 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-10 20:22:48,111 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-10 20:22:48,113 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-10 20:22:48,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-10 20:22:48,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-10 20:22:48,120 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-10 20:22:48,125 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-10 20:22:48,128 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-10 20:22:48,129 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-10 20:22:48,130 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-10 20:22:48,132 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-10 20:22:48,141 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-10 20:22:48,142 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-10 20:22:48,143 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-10 20:22:48,144 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-10 20:22:48,169 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-10 20:22:48,169 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-10 20:22:48,171 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-10 20:22:48,171 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-10 20:22:48,171 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-10 20:22:48,174 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-10 20:22:48,175 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-10 20:22:48,175 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-10 20:22:48,175 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-10 20:22:48,175 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-10 20:22:48,175 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-10 20:22:48,175 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-10 20:22:48,176 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-10 20:22:48,176 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-10 20:22:48,176 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-10 20:22:48,178 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-10 20:22:48,178 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-10 20:22:48,179 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-10 20:22:48,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 20:22:48,179 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-10 20:22:48,179 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-10 20:22:48,179 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-10 20:22:48,180 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-10 20:22:48,457 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-10 20:22:48,470 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-10 20:22:48,474 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-10 20:22:48,475 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-10 20:22:48,476 INFO L275 PluginConnector]: CDTParser initialized [2020-07-10 20:22:48,476 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2020-07-10 20:22:48,544 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50807e2ef/f753bf075f944f709206c4fcfde9d65d/FLAG0918207f9 [2020-07-10 20:22:49,072 INFO L306 CDTParser]: Found 1 translation units. [2020-07-10 20:22:49,073 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2020-07-10 20:22:49,082 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50807e2ef/f753bf075f944f709206c4fcfde9d65d/FLAG0918207f9 [2020-07-10 20:22:49,355 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50807e2ef/f753bf075f944f709206c4fcfde9d65d [2020-07-10 20:22:49,364 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-10 20:22:49,366 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-10 20:22:49,367 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-10 20:22:49,367 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-10 20:22:49,371 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-10 20:22:49,373 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 08:22:49" (1/1) ... [2020-07-10 20:22:49,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20f2ddd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:22:49, skipping insertion in model container [2020-07-10 20:22:49,376 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 08:22:49" (1/1) ... [2020-07-10 20:22:49,385 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-10 20:22:49,417 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-10 20:22:49,629 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 20:22:49,635 INFO L203 MainTranslator]: Completed pre-run [2020-07-10 20:22:49,681 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 20:22:49,697 INFO L208 MainTranslator]: Completed translation [2020-07-10 20:22:49,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:22:49 WrapperNode [2020-07-10 20:22:49,698 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-10 20:22:49,699 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-10 20:22:49,699 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-10 20:22:49,699 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-10 20:22:49,807 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:22:49" (1/1) ... [2020-07-10 20:22:49,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:22:49" (1/1) ... [2020-07-10 20:22:49,816 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:22:49" (1/1) ... [2020-07-10 20:22:49,816 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:22:49" (1/1) ... [2020-07-10 20:22:49,827 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:22:49" (1/1) ... [2020-07-10 20:22:49,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:22:49" (1/1) ... [2020-07-10 20:22:49,836 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:22:49" (1/1) ... [2020-07-10 20:22:49,839 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-10 20:22:49,839 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-10 20:22:49,839 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-10 20:22:49,840 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-10 20:22:49,841 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:22:49" (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 [2020-07-10 20:22:49,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-10 20:22:49,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-10 20:22:49,899 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-10 20:22:49,899 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-10 20:22:49,900 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-10 20:22:49,900 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-10 20:22:49,900 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-10 20:22:49,900 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-10 20:22:49,900 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-10 20:22:49,901 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-10 20:22:49,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-10 20:22:49,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-10 20:22:50,628 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-10 20:22:50,628 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-10 20:22:50,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 08:22:50 BoogieIcfgContainer [2020-07-10 20:22:50,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-10 20:22:50,637 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-10 20:22:50,637 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-10 20:22:50,641 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-10 20:22:50,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 08:22:49" (1/3) ... [2020-07-10 20:22:50,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ec8c341 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 08:22:50, skipping insertion in model container [2020-07-10 20:22:50,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:22:49" (2/3) ... [2020-07-10 20:22:50,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ec8c341 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 08:22:50, skipping insertion in model container [2020-07-10 20:22:50,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 08:22:50" (3/3) ... [2020-07-10 20:22:50,645 INFO L109 eAbstractionObserver]: Analyzing ICFG SpamAssassin-loop.i.v+cfa-reducer.c [2020-07-10 20:22:50,656 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-10 20:22:50,666 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 16 error locations. [2020-07-10 20:22:50,681 INFO L251 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2020-07-10 20:22:50,706 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-10 20:22:50,706 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-10 20:22:50,706 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-10 20:22:50,706 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-10 20:22:50,707 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-10 20:22:50,707 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-10 20:22:50,708 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-10 20:22:50,708 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-10 20:22:50,732 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states. [2020-07-10 20:22:50,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-07-10 20:22:50,745 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 20:22:50,746 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] [2020-07-10 20:22:50,747 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]=== [2020-07-10 20:22:50,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 20:22:50,753 INFO L82 PathProgramCache]: Analyzing trace with hash -2057699390, now seen corresponding path program 1 times [2020-07-10 20:22:50,760 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 20:22:50,760 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1915032487] [2020-07-10 20:22:50,761 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 20:22:50,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 20:22:51,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 20:22:51,070 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 [2020-07-10 20:22:51,071 INFO L280 TraceCheckUtils]: 1: Hoare triple {181#true} ~__return_334~0 := 0; {181#true} is VALID [2020-07-10 20:22:51,071 INFO L280 TraceCheckUtils]: 2: Hoare triple {181#true} assume true; {181#true} is VALID [2020-07-10 20:22:51,072 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {181#true} {181#true} #261#return; {181#true} is VALID [2020-07-10 20:22:51,075 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 [2020-07-10 20:22:51,075 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 [2020-07-10 20:22:51,076 INFO L280 TraceCheckUtils]: 2: Hoare triple {181#true} ~__return_334~0 := 0; {181#true} is VALID [2020-07-10 20:22:51,076 INFO L280 TraceCheckUtils]: 3: Hoare triple {181#true} assume true; {181#true} is VALID [2020-07-10 20:22:51,077 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {181#true} {181#true} #261#return; {181#true} is VALID [2020-07-10 20:22:51,077 INFO L263 TraceCheckUtils]: 5: Hoare triple {181#true} call #t~ret3 := main(); {181#true} is VALID [2020-07-10 20:22:51,077 INFO L280 TraceCheckUtils]: 6: Hoare triple {181#true} havoc ~main__len~0; {181#true} is VALID [2020-07-10 20:22:51,078 INFO L280 TraceCheckUtils]: 7: Hoare triple {181#true} havoc ~main__i~0; {181#true} is VALID [2020-07-10 20:22:51,078 INFO L280 TraceCheckUtils]: 8: Hoare triple {181#true} havoc ~main__j~0; {181#true} is VALID [2020-07-10 20:22:51,079 INFO L280 TraceCheckUtils]: 9: Hoare triple {181#true} havoc ~main__bufsize~0; {181#true} is VALID [2020-07-10 20:22:51,079 INFO L280 TraceCheckUtils]: 10: Hoare triple {181#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {181#true} is VALID [2020-07-10 20:22:51,080 INFO L280 TraceCheckUtils]: 11: Hoare triple {181#true} ~main__bufsize~0 := #t~nondet0; {181#true} is VALID [2020-07-10 20:22:51,080 INFO L280 TraceCheckUtils]: 12: Hoare triple {181#true} havoc #t~nondet0; {181#true} is VALID [2020-07-10 20:22:51,080 INFO L280 TraceCheckUtils]: 13: Hoare triple {181#true} assume !(~main__bufsize~0 < 0); {181#true} is VALID [2020-07-10 20:22:51,081 INFO L280 TraceCheckUtils]: 14: Hoare triple {181#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {181#true} is VALID [2020-07-10 20:22:51,081 INFO L280 TraceCheckUtils]: 15: Hoare triple {181#true} ~main__len~0 := #t~nondet1; {181#true} is VALID [2020-07-10 20:22:51,082 INFO L280 TraceCheckUtils]: 16: Hoare triple {181#true} havoc #t~nondet1; {181#true} is VALID [2020-07-10 20:22:51,082 INFO L280 TraceCheckUtils]: 17: Hoare triple {181#true} ~main__limit~0 := ~main__bufsize~0 - 4; {181#true} is VALID [2020-07-10 20:22:51,083 INFO L280 TraceCheckUtils]: 18: Hoare triple {181#true} ~main__i~0 := 0; {181#true} is VALID [2020-07-10 20:22:51,084 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 [2020-07-10 20:22:51,086 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 [2020-07-10 20:22:51,088 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 [2020-07-10 20:22:51,091 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 [2020-07-10 20:22:51,094 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 [2020-07-10 20:22:51,095 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 [2020-07-10 20:22:51,096 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 [2020-07-10 20:22:51,098 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 [2020-07-10 20:22:51,099 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 [2020-07-10 20:22:51,100 INFO L280 TraceCheckUtils]: 28: Hoare triple {189#(not (= 0 main_~__VERIFIER_assert__cond~2))} assume 0 == ~__VERIFIER_assert__cond~2; {182#false} is VALID [2020-07-10 20:22:51,100 INFO L280 TraceCheckUtils]: 29: Hoare triple {182#false} assume !false; {182#false} is VALID [2020-07-10 20:22:51,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 20:22:51,106 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 20:22:51,109 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1915032487] [2020-07-10 20:22:51,111 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 20:22:51,111 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-10 20:22:51,112 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515026147] [2020-07-10 20:22:51,119 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2020-07-10 20:22:51,122 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 20:22:51,127 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-10 20:22:51,196 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:22:51,197 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-10 20:22:51,197 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-10 20:22:51,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-10 20:22:51,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-10 20:22:51,209 INFO L87 Difference]: Start difference. First operand 178 states. Second operand 6 states. [2020-07-10 20:22:53,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:22:53,908 INFO L93 Difference]: Finished difference Result 435 states and 497 transitions. [2020-07-10 20:22:53,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-10 20:22:53,909 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2020-07-10 20:22:53,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 20:22:53,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-10 20:22:53,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 497 transitions. [2020-07-10 20:22:53,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-10 20:22:53,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 497 transitions. [2020-07-10 20:22:53,944 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 497 transitions. [2020-07-10 20:22:54,518 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 497 edges. 497 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:22:54,548 INFO L225 Difference]: With dead ends: 435 [2020-07-10 20:22:54,548 INFO L226 Difference]: Without dead ends: 264 [2020-07-10 20:22:54,555 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 [2020-07-10 20:22:54,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2020-07-10 20:22:54,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 154. [2020-07-10 20:22:54,996 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 20:22:54,997 INFO L82 GeneralOperation]: Start isEquivalent. First operand 264 states. Second operand 154 states. [2020-07-10 20:22:54,998 INFO L74 IsIncluded]: Start isIncluded. First operand 264 states. Second operand 154 states. [2020-07-10 20:22:54,998 INFO L87 Difference]: Start difference. First operand 264 states. Second operand 154 states. [2020-07-10 20:22:55,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:22:55,016 INFO L93 Difference]: Finished difference Result 264 states and 272 transitions. [2020-07-10 20:22:55,016 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 272 transitions. [2020-07-10 20:22:55,027 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 20:22:55,028 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 20:22:55,028 INFO L74 IsIncluded]: Start isIncluded. First operand 154 states. Second operand 264 states. [2020-07-10 20:22:55,028 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 264 states. [2020-07-10 20:22:55,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:22:55,055 INFO L93 Difference]: Finished difference Result 264 states and 272 transitions. [2020-07-10 20:22:55,055 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 272 transitions. [2020-07-10 20:22:55,058 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 20:22:55,058 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 20:22:55,058 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 20:22:55,059 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 20:22:55,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-07-10 20:22:55,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 158 transitions. [2020-07-10 20:22:55,073 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 158 transitions. Word has length 30 [2020-07-10 20:22:55,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 20:22:55,074 INFO L479 AbstractCegarLoop]: Abstraction has 154 states and 158 transitions. [2020-07-10 20:22:55,074 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-10 20:22:55,074 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 154 states and 158 transitions. [2020-07-10 20:22:55,317 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 158 edges. 158 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:22:55,318 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 158 transitions. [2020-07-10 20:22:55,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-07-10 20:22:55,319 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 20:22:55,319 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] [2020-07-10 20:22:55,319 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-10 20:22:55,320 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]=== [2020-07-10 20:22:55,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 20:22:55,320 INFO L82 PathProgramCache]: Analyzing trace with hash 1575143415, now seen corresponding path program 1 times [2020-07-10 20:22:55,321 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 20:22:55,321 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [533105790] [2020-07-10 20:22:55,321 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 20:22:55,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 20:22:55,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 20:22:55,456 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 [2020-07-10 20:22:55,457 INFO L280 TraceCheckUtils]: 1: Hoare triple {1911#true} ~__return_334~0 := 0; {1911#true} is VALID [2020-07-10 20:22:55,457 INFO L280 TraceCheckUtils]: 2: Hoare triple {1911#true} assume true; {1911#true} is VALID [2020-07-10 20:22:55,458 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1911#true} {1911#true} #261#return; {1911#true} is VALID [2020-07-10 20:22:55,458 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 [2020-07-10 20:22:55,459 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 [2020-07-10 20:22:55,459 INFO L280 TraceCheckUtils]: 2: Hoare triple {1911#true} ~__return_334~0 := 0; {1911#true} is VALID [2020-07-10 20:22:55,459 INFO L280 TraceCheckUtils]: 3: Hoare triple {1911#true} assume true; {1911#true} is VALID [2020-07-10 20:22:55,460 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1911#true} {1911#true} #261#return; {1911#true} is VALID [2020-07-10 20:22:55,460 INFO L263 TraceCheckUtils]: 5: Hoare triple {1911#true} call #t~ret3 := main(); {1911#true} is VALID [2020-07-10 20:22:55,460 INFO L280 TraceCheckUtils]: 6: Hoare triple {1911#true} havoc ~main__len~0; {1911#true} is VALID [2020-07-10 20:22:55,461 INFO L280 TraceCheckUtils]: 7: Hoare triple {1911#true} havoc ~main__i~0; {1911#true} is VALID [2020-07-10 20:22:55,461 INFO L280 TraceCheckUtils]: 8: Hoare triple {1911#true} havoc ~main__j~0; {1911#true} is VALID [2020-07-10 20:22:55,461 INFO L280 TraceCheckUtils]: 9: Hoare triple {1911#true} havoc ~main__bufsize~0; {1911#true} is VALID [2020-07-10 20:22:55,462 INFO L280 TraceCheckUtils]: 10: Hoare triple {1911#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {1911#true} is VALID [2020-07-10 20:22:55,462 INFO L280 TraceCheckUtils]: 11: Hoare triple {1911#true} ~main__bufsize~0 := #t~nondet0; {1911#true} is VALID [2020-07-10 20:22:55,462 INFO L280 TraceCheckUtils]: 12: Hoare triple {1911#true} havoc #t~nondet0; {1911#true} is VALID [2020-07-10 20:22:55,463 INFO L280 TraceCheckUtils]: 13: Hoare triple {1911#true} assume !(~main__bufsize~0 < 0); {1911#true} is VALID [2020-07-10 20:22:55,463 INFO L280 TraceCheckUtils]: 14: Hoare triple {1911#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {1911#true} is VALID [2020-07-10 20:22:55,463 INFO L280 TraceCheckUtils]: 15: Hoare triple {1911#true} ~main__len~0 := #t~nondet1; {1911#true} is VALID [2020-07-10 20:22:55,464 INFO L280 TraceCheckUtils]: 16: Hoare triple {1911#true} havoc #t~nondet1; {1911#true} is VALID [2020-07-10 20:22:55,464 INFO L280 TraceCheckUtils]: 17: Hoare triple {1911#true} ~main__limit~0 := ~main__bufsize~0 - 4; {1911#true} is VALID [2020-07-10 20:22:55,464 INFO L280 TraceCheckUtils]: 18: Hoare triple {1911#true} ~main__i~0 := 0; {1911#true} is VALID [2020-07-10 20:22:55,464 INFO L280 TraceCheckUtils]: 19: Hoare triple {1911#true} assume ~main__i~0 < ~main__len~0; {1911#true} is VALID [2020-07-10 20:22:55,465 INFO L280 TraceCheckUtils]: 20: Hoare triple {1911#true} ~main__j~0 := 0; {1911#true} is VALID [2020-07-10 20:22:55,465 INFO L280 TraceCheckUtils]: 21: Hoare triple {1911#true} assume ~main__i~0 < ~main__len~0; {1911#true} is VALID [2020-07-10 20:22:55,465 INFO L280 TraceCheckUtils]: 22: Hoare triple {1911#true} assume ~main__j~0 < ~main__limit~0; {1911#true} is VALID [2020-07-10 20:22:55,466 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 [2020-07-10 20:22:55,467 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 [2020-07-10 20:22:55,468 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 [2020-07-10 20:22:55,469 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 [2020-07-10 20:22:55,469 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 [2020-07-10 20:22:55,470 INFO L280 TraceCheckUtils]: 28: Hoare triple {1919#(not (= 0 main_~__VERIFIER_assert__cond~0))} assume 0 == ~__VERIFIER_assert__cond~0; {1912#false} is VALID [2020-07-10 20:22:55,470 INFO L280 TraceCheckUtils]: 29: Hoare triple {1912#false} assume !false; {1912#false} is VALID [2020-07-10 20:22:55,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 20:22:55,472 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 20:22:55,472 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [533105790] [2020-07-10 20:22:55,473 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 20:22:55,473 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-10 20:22:55,473 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542099009] [2020-07-10 20:22:55,474 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2020-07-10 20:22:55,474 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 20:22:55,475 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-10 20:22:55,508 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:22:55,508 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-10 20:22:55,508 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-10 20:22:55,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-10 20:22:55,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-10 20:22:55,509 INFO L87 Difference]: Start difference. First operand 154 states and 158 transitions. Second operand 6 states. [2020-07-10 20:22:57,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:22:57,295 INFO L93 Difference]: Finished difference Result 223 states and 230 transitions. [2020-07-10 20:22:57,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-10 20:22:57,295 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2020-07-10 20:22:57,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 20:22:57,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-10 20:22:57,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 228 transitions. [2020-07-10 20:22:57,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-10 20:22:57,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 228 transitions. [2020-07-10 20:22:57,303 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 228 transitions. [2020-07-10 20:22:57,613 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 228 edges. 228 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:22:57,625 INFO L225 Difference]: With dead ends: 223 [2020-07-10 20:22:57,625 INFO L226 Difference]: Without dead ends: 221 [2020-07-10 20:22:57,629 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 [2020-07-10 20:22:57,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2020-07-10 20:22:58,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 152. [2020-07-10 20:22:58,153 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 20:22:58,153 INFO L82 GeneralOperation]: Start isEquivalent. First operand 221 states. Second operand 152 states. [2020-07-10 20:22:58,153 INFO L74 IsIncluded]: Start isIncluded. First operand 221 states. Second operand 152 states. [2020-07-10 20:22:58,154 INFO L87 Difference]: Start difference. First operand 221 states. Second operand 152 states. [2020-07-10 20:22:58,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:22:58,161 INFO L93 Difference]: Finished difference Result 221 states and 228 transitions. [2020-07-10 20:22:58,161 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 228 transitions. [2020-07-10 20:22:58,162 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 20:22:58,162 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 20:22:58,163 INFO L74 IsIncluded]: Start isIncluded. First operand 152 states. Second operand 221 states. [2020-07-10 20:22:58,163 INFO L87 Difference]: Start difference. First operand 152 states. Second operand 221 states. [2020-07-10 20:22:58,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:22:58,171 INFO L93 Difference]: Finished difference Result 221 states and 228 transitions. [2020-07-10 20:22:58,171 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 228 transitions. [2020-07-10 20:22:58,172 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 20:22:58,172 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 20:22:58,172 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 20:22:58,172 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 20:22:58,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-07-10 20:22:58,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 156 transitions. [2020-07-10 20:22:58,177 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 156 transitions. Word has length 30 [2020-07-10 20:22:58,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 20:22:58,178 INFO L479 AbstractCegarLoop]: Abstraction has 152 states and 156 transitions. [2020-07-10 20:22:58,178 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-10 20:22:58,178 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 152 states and 156 transitions. [2020-07-10 20:22:58,449 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 156 edges. 156 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:22:58,450 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 156 transitions. [2020-07-10 20:22:58,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-07-10 20:22:58,451 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 20:22:58,451 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] [2020-07-10 20:22:58,451 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-10 20:22:58,452 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]=== [2020-07-10 20:22:58,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 20:22:58,452 INFO L82 PathProgramCache]: Analyzing trace with hash 949374873, now seen corresponding path program 1 times [2020-07-10 20:22:58,452 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 20:22:58,452 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1104556801] [2020-07-10 20:22:58,453 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 20:22:58,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 20:22:58,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 20:22:58,551 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 [2020-07-10 20:22:58,552 INFO L280 TraceCheckUtils]: 1: Hoare triple {3126#true} ~__return_334~0 := 0; {3126#true} is VALID [2020-07-10 20:22:58,552 INFO L280 TraceCheckUtils]: 2: Hoare triple {3126#true} assume true; {3126#true} is VALID [2020-07-10 20:22:58,553 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3126#true} {3126#true} #261#return; {3126#true} is VALID [2020-07-10 20:22:58,554 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 [2020-07-10 20:22:58,554 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 [2020-07-10 20:22:58,555 INFO L280 TraceCheckUtils]: 2: Hoare triple {3126#true} ~__return_334~0 := 0; {3126#true} is VALID [2020-07-10 20:22:58,555 INFO L280 TraceCheckUtils]: 3: Hoare triple {3126#true} assume true; {3126#true} is VALID [2020-07-10 20:22:58,555 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3126#true} {3126#true} #261#return; {3126#true} is VALID [2020-07-10 20:22:58,556 INFO L263 TraceCheckUtils]: 5: Hoare triple {3126#true} call #t~ret3 := main(); {3126#true} is VALID [2020-07-10 20:22:58,556 INFO L280 TraceCheckUtils]: 6: Hoare triple {3126#true} havoc ~main__len~0; {3126#true} is VALID [2020-07-10 20:22:58,556 INFO L280 TraceCheckUtils]: 7: Hoare triple {3126#true} havoc ~main__i~0; {3126#true} is VALID [2020-07-10 20:22:58,557 INFO L280 TraceCheckUtils]: 8: Hoare triple {3126#true} havoc ~main__j~0; {3126#true} is VALID [2020-07-10 20:22:58,557 INFO L280 TraceCheckUtils]: 9: Hoare triple {3126#true} havoc ~main__bufsize~0; {3126#true} is VALID [2020-07-10 20:22:58,557 INFO L280 TraceCheckUtils]: 10: Hoare triple {3126#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {3126#true} is VALID [2020-07-10 20:22:58,558 INFO L280 TraceCheckUtils]: 11: Hoare triple {3126#true} ~main__bufsize~0 := #t~nondet0; {3126#true} is VALID [2020-07-10 20:22:58,558 INFO L280 TraceCheckUtils]: 12: Hoare triple {3126#true} havoc #t~nondet0; {3126#true} is VALID [2020-07-10 20:22:58,559 INFO L280 TraceCheckUtils]: 13: Hoare triple {3126#true} assume !(~main__bufsize~0 < 0); {3126#true} is VALID [2020-07-10 20:22:58,559 INFO L280 TraceCheckUtils]: 14: Hoare triple {3126#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {3126#true} is VALID [2020-07-10 20:22:58,559 INFO L280 TraceCheckUtils]: 15: Hoare triple {3126#true} ~main__len~0 := #t~nondet1; {3126#true} is VALID [2020-07-10 20:22:58,560 INFO L280 TraceCheckUtils]: 16: Hoare triple {3126#true} havoc #t~nondet1; {3126#true} is VALID [2020-07-10 20:22:58,560 INFO L280 TraceCheckUtils]: 17: Hoare triple {3126#true} ~main__limit~0 := ~main__bufsize~0 - 4; {3126#true} is VALID [2020-07-10 20:22:58,561 INFO L280 TraceCheckUtils]: 18: Hoare triple {3126#true} ~main__i~0 := 0; {3132#(<= 0 main_~main__i~0)} is VALID [2020-07-10 20:22:58,562 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 [2020-07-10 20:22:58,562 INFO L280 TraceCheckUtils]: 20: Hoare triple {3132#(<= 0 main_~main__i~0)} ~main__j~0 := 0; {3132#(<= 0 main_~main__i~0)} is VALID [2020-07-10 20:22:58,563 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 [2020-07-10 20:22:58,564 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 [2020-07-10 20:22:58,565 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 [2020-07-10 20:22:58,566 INFO L280 TraceCheckUtils]: 24: Hoare triple {3132#(<= 0 main_~main__i~0)} havoc ~__tmp_3~0; {3132#(<= 0 main_~main__i~0)} is VALID [2020-07-10 20:22:58,566 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 [2020-07-10 20:22:58,567 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 [2020-07-10 20:22:58,568 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 [2020-07-10 20:22:58,569 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 [2020-07-10 20:22:58,570 INFO L280 TraceCheckUtils]: 29: Hoare triple {3132#(<= 0 main_~main__i~0)} havoc ~__tmp_4~0; {3132#(<= 0 main_~main__i~0)} is VALID [2020-07-10 20:22:58,570 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 [2020-07-10 20:22:58,571 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 [2020-07-10 20:22:58,572 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 [2020-07-10 20:22:58,573 INFO L280 TraceCheckUtils]: 33: Hoare triple {3134#(not (= 0 main_~__VERIFIER_assert__cond~3))} assume 0 == ~__VERIFIER_assert__cond~3; {3127#false} is VALID [2020-07-10 20:22:58,573 INFO L280 TraceCheckUtils]: 34: Hoare triple {3127#false} assume !false; {3127#false} is VALID [2020-07-10 20:22:58,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 20:22:58,576 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 20:22:58,577 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1104556801] [2020-07-10 20:22:58,577 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 20:22:58,577 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-10 20:22:58,578 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787368624] [2020-07-10 20:22:58,578 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-07-10 20:22:58,579 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 20:22:58,579 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-10 20:22:58,613 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:22:58,613 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-10 20:22:58,613 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-10 20:22:58,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-10 20:22:58,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-10 20:22:58,614 INFO L87 Difference]: Start difference. First operand 152 states and 156 transitions. Second operand 6 states. [2020-07-10 20:23:00,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:23:00,864 INFO L93 Difference]: Finished difference Result 263 states and 271 transitions. [2020-07-10 20:23:00,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-10 20:23:00,864 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-07-10 20:23:00,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 20:23:00,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-10 20:23:00,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 269 transitions. [2020-07-10 20:23:00,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-10 20:23:00,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 269 transitions. [2020-07-10 20:23:00,873 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 269 transitions. [2020-07-10 20:23:01,223 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 269 edges. 269 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:23:01,229 INFO L225 Difference]: With dead ends: 263 [2020-07-10 20:23:01,229 INFO L226 Difference]: Without dead ends: 261 [2020-07-10 20:23:01,230 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 [2020-07-10 20:23:01,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2020-07-10 20:23:01,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 150. [2020-07-10 20:23:01,893 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 20:23:01,894 INFO L82 GeneralOperation]: Start isEquivalent. First operand 261 states. Second operand 150 states. [2020-07-10 20:23:01,894 INFO L74 IsIncluded]: Start isIncluded. First operand 261 states. Second operand 150 states. [2020-07-10 20:23:01,894 INFO L87 Difference]: Start difference. First operand 261 states. Second operand 150 states. [2020-07-10 20:23:01,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:23:01,904 INFO L93 Difference]: Finished difference Result 261 states and 269 transitions. [2020-07-10 20:23:01,905 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 269 transitions. [2020-07-10 20:23:01,905 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 20:23:01,906 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 20:23:01,906 INFO L74 IsIncluded]: Start isIncluded. First operand 150 states. Second operand 261 states. [2020-07-10 20:23:01,906 INFO L87 Difference]: Start difference. First operand 150 states. Second operand 261 states. [2020-07-10 20:23:01,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:23:01,915 INFO L93 Difference]: Finished difference Result 261 states and 269 transitions. [2020-07-10 20:23:01,916 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 269 transitions. [2020-07-10 20:23:01,916 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 20:23:01,917 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 20:23:01,917 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 20:23:01,917 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 20:23:01,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-07-10 20:23:01,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 154 transitions. [2020-07-10 20:23:01,922 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 154 transitions. Word has length 35 [2020-07-10 20:23:01,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 20:23:01,922 INFO L479 AbstractCegarLoop]: Abstraction has 150 states and 154 transitions. [2020-07-10 20:23:01,923 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-10 20:23:01,923 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 150 states and 154 transitions. [2020-07-10 20:23:02,265 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 154 edges. 154 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:23:02,265 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 154 transitions. [2020-07-10 20:23:02,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-07-10 20:23:02,266 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 20:23:02,267 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] [2020-07-10 20:23:02,267 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-10 20:23:02,268 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]=== [2020-07-10 20:23:02,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 20:23:02,268 INFO L82 PathProgramCache]: Analyzing trace with hash 386303974, now seen corresponding path program 1 times [2020-07-10 20:23:02,269 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 20:23:02,269 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1843292759] [2020-07-10 20:23:02,269 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 20:23:02,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 20:23:02,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 20:23:02,370 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 [2020-07-10 20:23:02,371 INFO L280 TraceCheckUtils]: 1: Hoare triple {4494#true} ~__return_334~0 := 0; {4494#true} is VALID [2020-07-10 20:23:02,371 INFO L280 TraceCheckUtils]: 2: Hoare triple {4494#true} assume true; {4494#true} is VALID [2020-07-10 20:23:02,371 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4494#true} {4494#true} #261#return; {4494#true} is VALID [2020-07-10 20:23:02,372 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 [2020-07-10 20:23:02,372 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 [2020-07-10 20:23:02,372 INFO L280 TraceCheckUtils]: 2: Hoare triple {4494#true} ~__return_334~0 := 0; {4494#true} is VALID [2020-07-10 20:23:02,373 INFO L280 TraceCheckUtils]: 3: Hoare triple {4494#true} assume true; {4494#true} is VALID [2020-07-10 20:23:02,373 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4494#true} {4494#true} #261#return; {4494#true} is VALID [2020-07-10 20:23:02,373 INFO L263 TraceCheckUtils]: 5: Hoare triple {4494#true} call #t~ret3 := main(); {4494#true} is VALID [2020-07-10 20:23:02,373 INFO L280 TraceCheckUtils]: 6: Hoare triple {4494#true} havoc ~main__len~0; {4494#true} is VALID [2020-07-10 20:23:02,374 INFO L280 TraceCheckUtils]: 7: Hoare triple {4494#true} havoc ~main__i~0; {4494#true} is VALID [2020-07-10 20:23:02,374 INFO L280 TraceCheckUtils]: 8: Hoare triple {4494#true} havoc ~main__j~0; {4494#true} is VALID [2020-07-10 20:23:02,374 INFO L280 TraceCheckUtils]: 9: Hoare triple {4494#true} havoc ~main__bufsize~0; {4494#true} is VALID [2020-07-10 20:23:02,374 INFO L280 TraceCheckUtils]: 10: Hoare triple {4494#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {4494#true} is VALID [2020-07-10 20:23:02,374 INFO L280 TraceCheckUtils]: 11: Hoare triple {4494#true} ~main__bufsize~0 := #t~nondet0; {4494#true} is VALID [2020-07-10 20:23:02,375 INFO L280 TraceCheckUtils]: 12: Hoare triple {4494#true} havoc #t~nondet0; {4494#true} is VALID [2020-07-10 20:23:02,375 INFO L280 TraceCheckUtils]: 13: Hoare triple {4494#true} assume !(~main__bufsize~0 < 0); {4494#true} is VALID [2020-07-10 20:23:02,375 INFO L280 TraceCheckUtils]: 14: Hoare triple {4494#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {4494#true} is VALID [2020-07-10 20:23:02,376 INFO L280 TraceCheckUtils]: 15: Hoare triple {4494#true} ~main__len~0 := #t~nondet1; {4494#true} is VALID [2020-07-10 20:23:02,376 INFO L280 TraceCheckUtils]: 16: Hoare triple {4494#true} havoc #t~nondet1; {4494#true} is VALID [2020-07-10 20:23:02,376 INFO L280 TraceCheckUtils]: 17: Hoare triple {4494#true} ~main__limit~0 := ~main__bufsize~0 - 4; {4494#true} is VALID [2020-07-10 20:23:02,384 INFO L280 TraceCheckUtils]: 18: Hoare triple {4494#true} ~main__i~0 := 0; {4500#(<= 0 main_~main__i~0)} is VALID [2020-07-10 20:23:02,384 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 [2020-07-10 20:23:02,387 INFO L280 TraceCheckUtils]: 20: Hoare triple {4500#(<= 0 main_~main__i~0)} ~main__j~0 := 0; {4500#(<= 0 main_~main__i~0)} is VALID [2020-07-10 20:23:02,388 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 [2020-07-10 20:23:02,388 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 [2020-07-10 20:23:02,389 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 [2020-07-10 20:23:02,389 INFO L280 TraceCheckUtils]: 24: Hoare triple {4500#(<= 0 main_~main__i~0)} havoc ~__tmp_1~0; {4500#(<= 0 main_~main__i~0)} is VALID [2020-07-10 20:23:02,390 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 [2020-07-10 20:23:02,390 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 [2020-07-10 20:23:02,391 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 [2020-07-10 20:23:02,398 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 [2020-07-10 20:23:02,399 INFO L280 TraceCheckUtils]: 29: Hoare triple {4500#(<= 0 main_~main__i~0)} havoc ~__tmp_2~0; {4500#(<= 0 main_~main__i~0)} is VALID [2020-07-10 20:23:02,401 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 [2020-07-10 20:23:02,404 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 [2020-07-10 20:23:02,407 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 [2020-07-10 20:23:02,410 INFO L280 TraceCheckUtils]: 33: Hoare triple {4502#(not (= 0 main_~__VERIFIER_assert__cond~1))} assume 0 == ~__VERIFIER_assert__cond~1; {4495#false} is VALID [2020-07-10 20:23:02,411 INFO L280 TraceCheckUtils]: 34: Hoare triple {4495#false} assume !false; {4495#false} is VALID [2020-07-10 20:23:02,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 20:23:02,413 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 20:23:02,414 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1843292759] [2020-07-10 20:23:02,420 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 20:23:02,420 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-10 20:23:02,420 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155550987] [2020-07-10 20:23:02,421 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-07-10 20:23:02,421 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 20:23:02,421 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-10 20:23:02,455 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:23:02,456 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-10 20:23:02,456 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-10 20:23:02,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-10 20:23:02,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-10 20:23:02,457 INFO L87 Difference]: Start difference. First operand 150 states and 154 transitions. Second operand 6 states. [2020-07-10 20:23:04,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:23:04,182 INFO L93 Difference]: Finished difference Result 192 states and 199 transitions. [2020-07-10 20:23:04,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-10 20:23:04,182 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-07-10 20:23:04,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 20:23:04,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-10 20:23:04,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 197 transitions. [2020-07-10 20:23:04,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-10 20:23:04,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 197 transitions. [2020-07-10 20:23:04,188 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 197 transitions. [2020-07-10 20:23:04,462 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 197 edges. 197 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:23:04,467 INFO L225 Difference]: With dead ends: 192 [2020-07-10 20:23:04,467 INFO L226 Difference]: Without dead ends: 190 [2020-07-10 20:23:04,467 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 [2020-07-10 20:23:04,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2020-07-10 20:23:05,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 148. [2020-07-10 20:23:05,197 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 20:23:05,198 INFO L82 GeneralOperation]: Start isEquivalent. First operand 190 states. Second operand 148 states. [2020-07-10 20:23:05,198 INFO L74 IsIncluded]: Start isIncluded. First operand 190 states. Second operand 148 states. [2020-07-10 20:23:05,198 INFO L87 Difference]: Start difference. First operand 190 states. Second operand 148 states. [2020-07-10 20:23:05,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:23:05,204 INFO L93 Difference]: Finished difference Result 190 states and 197 transitions. [2020-07-10 20:23:05,204 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 197 transitions. [2020-07-10 20:23:05,205 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 20:23:05,205 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 20:23:05,205 INFO L74 IsIncluded]: Start isIncluded. First operand 148 states. Second operand 190 states. [2020-07-10 20:23:05,205 INFO L87 Difference]: Start difference. First operand 148 states. Second operand 190 states. [2020-07-10 20:23:05,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:23:05,211 INFO L93 Difference]: Finished difference Result 190 states and 197 transitions. [2020-07-10 20:23:05,211 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 197 transitions. [2020-07-10 20:23:05,212 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 20:23:05,212 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 20:23:05,212 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 20:23:05,212 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 20:23:05,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-07-10 20:23:05,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 152 transitions. [2020-07-10 20:23:05,217 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 152 transitions. Word has length 35 [2020-07-10 20:23:05,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 20:23:05,217 INFO L479 AbstractCegarLoop]: Abstraction has 148 states and 152 transitions. [2020-07-10 20:23:05,217 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-10 20:23:05,217 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 148 states and 152 transitions. [2020-07-10 20:23:05,547 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 152 edges. 152 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:23:05,547 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 152 transitions. [2020-07-10 20:23:05,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-07-10 20:23:05,548 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 20:23:05,548 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] [2020-07-10 20:23:05,549 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-10 20:23:05,549 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]=== [2020-07-10 20:23:05,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 20:23:05,549 INFO L82 PathProgramCache]: Analyzing trace with hash 1765112685, now seen corresponding path program 1 times [2020-07-10 20:23:05,550 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 20:23:05,550 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1639709456] [2020-07-10 20:23:05,550 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 20:23:05,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 20:23:05,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 20:23:05,712 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 [2020-07-10 20:23:05,712 INFO L280 TraceCheckUtils]: 1: Hoare triple {5574#true} ~__return_334~0 := 0; {5574#true} is VALID [2020-07-10 20:23:05,712 INFO L280 TraceCheckUtils]: 2: Hoare triple {5574#true} assume true; {5574#true} is VALID [2020-07-10 20:23:05,712 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {5574#true} {5574#true} #261#return; {5574#true} is VALID [2020-07-10 20:23:05,713 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 [2020-07-10 20:23:05,713 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 [2020-07-10 20:23:05,714 INFO L280 TraceCheckUtils]: 2: Hoare triple {5574#true} ~__return_334~0 := 0; {5574#true} is VALID [2020-07-10 20:23:05,714 INFO L280 TraceCheckUtils]: 3: Hoare triple {5574#true} assume true; {5574#true} is VALID [2020-07-10 20:23:05,714 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {5574#true} {5574#true} #261#return; {5574#true} is VALID [2020-07-10 20:23:05,714 INFO L263 TraceCheckUtils]: 5: Hoare triple {5574#true} call #t~ret3 := main(); {5574#true} is VALID [2020-07-10 20:23:05,714 INFO L280 TraceCheckUtils]: 6: Hoare triple {5574#true} havoc ~main__len~0; {5574#true} is VALID [2020-07-10 20:23:05,715 INFO L280 TraceCheckUtils]: 7: Hoare triple {5574#true} havoc ~main__i~0; {5574#true} is VALID [2020-07-10 20:23:05,715 INFO L280 TraceCheckUtils]: 8: Hoare triple {5574#true} havoc ~main__j~0; {5574#true} is VALID [2020-07-10 20:23:05,715 INFO L280 TraceCheckUtils]: 9: Hoare triple {5574#true} havoc ~main__bufsize~0; {5574#true} is VALID [2020-07-10 20:23:05,715 INFO L280 TraceCheckUtils]: 10: Hoare triple {5574#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {5574#true} is VALID [2020-07-10 20:23:05,715 INFO L280 TraceCheckUtils]: 11: Hoare triple {5574#true} ~main__bufsize~0 := #t~nondet0; {5574#true} is VALID [2020-07-10 20:23:05,716 INFO L280 TraceCheckUtils]: 12: Hoare triple {5574#true} havoc #t~nondet0; {5574#true} is VALID [2020-07-10 20:23:05,716 INFO L280 TraceCheckUtils]: 13: Hoare triple {5574#true} assume !(~main__bufsize~0 < 0); {5574#true} is VALID [2020-07-10 20:23:05,716 INFO L280 TraceCheckUtils]: 14: Hoare triple {5574#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {5574#true} is VALID [2020-07-10 20:23:05,716 INFO L280 TraceCheckUtils]: 15: Hoare triple {5574#true} ~main__len~0 := #t~nondet1; {5574#true} is VALID [2020-07-10 20:23:05,716 INFO L280 TraceCheckUtils]: 16: Hoare triple {5574#true} havoc #t~nondet1; {5574#true} is VALID [2020-07-10 20:23:05,717 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 [2020-07-10 20:23:05,718 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 [2020-07-10 20:23:05,718 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 [2020-07-10 20:23:05,719 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 [2020-07-10 20:23:05,719 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 [2020-07-10 20:23:05,720 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 [2020-07-10 20:23:05,720 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 [2020-07-10 20:23:05,721 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 [2020-07-10 20:23:05,721 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 [2020-07-10 20:23:05,727 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 [2020-07-10 20:23:05,728 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 [2020-07-10 20:23:05,729 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 [2020-07-10 20:23:05,729 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 [2020-07-10 20:23:05,729 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 [2020-07-10 20:23:05,730 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 [2020-07-10 20:23:05,730 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 [2020-07-10 20:23:05,731 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 [2020-07-10 20:23:05,731 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 [2020-07-10 20:23:05,732 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 [2020-07-10 20:23:05,732 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 [2020-07-10 20:23:05,734 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 [2020-07-10 20:23:05,734 INFO L280 TraceCheckUtils]: 38: Hoare triple {5583#(not (= 0 main_~__VERIFIER_assert__cond~4))} assume 0 == ~__VERIFIER_assert__cond~4; {5575#false} is VALID [2020-07-10 20:23:05,734 INFO L280 TraceCheckUtils]: 39: Hoare triple {5575#false} assume !false; {5575#false} is VALID [2020-07-10 20:23:05,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 20:23:05,737 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 20:23:05,737 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1639709456] [2020-07-10 20:23:05,738 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 20:23:05,738 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-10 20:23:05,738 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35024606] [2020-07-10 20:23:05,738 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 40 [2020-07-10 20:23:05,739 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 20:23:05,739 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-10 20:23:05,788 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 40 edges. 40 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:23:05,789 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-10 20:23:05,789 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-10 20:23:05,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-10 20:23:05,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-07-10 20:23:05,789 INFO L87 Difference]: Start difference. First operand 148 states and 152 transitions. Second operand 7 states. [2020-07-10 20:23:09,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:23:09,002 INFO L93 Difference]: Finished difference Result 262 states and 270 transitions. [2020-07-10 20:23:09,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-10 20:23:09,002 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 40 [2020-07-10 20:23:09,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 20:23:09,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-10 20:23:09,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 268 transitions. [2020-07-10 20:23:09,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-10 20:23:09,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 268 transitions. [2020-07-10 20:23:09,014 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 268 transitions. [2020-07-10 20:23:09,407 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 268 edges. 268 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:23:09,414 INFO L225 Difference]: With dead ends: 262 [2020-07-10 20:23:09,414 INFO L226 Difference]: Without dead ends: 260 [2020-07-10 20:23:09,415 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 [2020-07-10 20:23:09,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2020-07-10 20:23:10,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 146. [2020-07-10 20:23:10,332 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 20:23:10,333 INFO L82 GeneralOperation]: Start isEquivalent. First operand 260 states. Second operand 146 states. [2020-07-10 20:23:10,333 INFO L74 IsIncluded]: Start isIncluded. First operand 260 states. Second operand 146 states. [2020-07-10 20:23:10,333 INFO L87 Difference]: Start difference. First operand 260 states. Second operand 146 states. [2020-07-10 20:23:10,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:23:10,342 INFO L93 Difference]: Finished difference Result 260 states and 268 transitions. [2020-07-10 20:23:10,342 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 268 transitions. [2020-07-10 20:23:10,343 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 20:23:10,343 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 20:23:10,343 INFO L74 IsIncluded]: Start isIncluded. First operand 146 states. Second operand 260 states. [2020-07-10 20:23:10,343 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 260 states. [2020-07-10 20:23:10,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:23:10,352 INFO L93 Difference]: Finished difference Result 260 states and 268 transitions. [2020-07-10 20:23:10,352 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 268 transitions. [2020-07-10 20:23:10,353 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 20:23:10,353 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 20:23:10,353 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 20:23:10,354 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 20:23:10,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-07-10 20:23:10,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 150 transitions. [2020-07-10 20:23:10,358 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 150 transitions. Word has length 40 [2020-07-10 20:23:10,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 20:23:10,358 INFO L479 AbstractCegarLoop]: Abstraction has 146 states and 150 transitions. [2020-07-10 20:23:10,359 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-10 20:23:10,359 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 146 states and 150 transitions. [2020-07-10 20:23:10,741 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 150 edges. 150 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:23:10,741 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 150 transitions. [2020-07-10 20:23:10,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-07-10 20:23:10,742 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 20:23:10,743 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] [2020-07-10 20:23:10,743 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-10 20:23:10,744 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]=== [2020-07-10 20:23:10,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 20:23:10,744 INFO L82 PathProgramCache]: Analyzing trace with hash -1900232348, now seen corresponding path program 1 times [2020-07-10 20:23:10,744 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 20:23:10,745 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [911609392] [2020-07-10 20:23:10,745 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 20:23:10,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 20:23:10,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 20:23:10,840 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 [2020-07-10 20:23:10,841 INFO L280 TraceCheckUtils]: 1: Hoare triple {6935#true} ~__return_334~0 := 0; {6935#true} is VALID [2020-07-10 20:23:10,841 INFO L280 TraceCheckUtils]: 2: Hoare triple {6935#true} assume true; {6935#true} is VALID [2020-07-10 20:23:10,841 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {6935#true} {6935#true} #261#return; {6935#true} is VALID [2020-07-10 20:23:10,842 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 [2020-07-10 20:23:10,843 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 [2020-07-10 20:23:10,843 INFO L280 TraceCheckUtils]: 2: Hoare triple {6935#true} ~__return_334~0 := 0; {6935#true} is VALID [2020-07-10 20:23:10,843 INFO L280 TraceCheckUtils]: 3: Hoare triple {6935#true} assume true; {6935#true} is VALID [2020-07-10 20:23:10,843 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {6935#true} {6935#true} #261#return; {6935#true} is VALID [2020-07-10 20:23:10,844 INFO L263 TraceCheckUtils]: 5: Hoare triple {6935#true} call #t~ret3 := main(); {6935#true} is VALID [2020-07-10 20:23:10,844 INFO L280 TraceCheckUtils]: 6: Hoare triple {6935#true} havoc ~main__len~0; {6935#true} is VALID [2020-07-10 20:23:10,844 INFO L280 TraceCheckUtils]: 7: Hoare triple {6935#true} havoc ~main__i~0; {6935#true} is VALID [2020-07-10 20:23:10,844 INFO L280 TraceCheckUtils]: 8: Hoare triple {6935#true} havoc ~main__j~0; {6935#true} is VALID [2020-07-10 20:23:10,845 INFO L280 TraceCheckUtils]: 9: Hoare triple {6935#true} havoc ~main__bufsize~0; {6935#true} is VALID [2020-07-10 20:23:10,845 INFO L280 TraceCheckUtils]: 10: Hoare triple {6935#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {6935#true} is VALID [2020-07-10 20:23:10,845 INFO L280 TraceCheckUtils]: 11: Hoare triple {6935#true} ~main__bufsize~0 := #t~nondet0; {6935#true} is VALID [2020-07-10 20:23:10,845 INFO L280 TraceCheckUtils]: 12: Hoare triple {6935#true} havoc #t~nondet0; {6935#true} is VALID [2020-07-10 20:23:10,846 INFO L280 TraceCheckUtils]: 13: Hoare triple {6935#true} assume !(~main__bufsize~0 < 0); {6935#true} is VALID [2020-07-10 20:23:10,846 INFO L280 TraceCheckUtils]: 14: Hoare triple {6935#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {6935#true} is VALID [2020-07-10 20:23:10,846 INFO L280 TraceCheckUtils]: 15: Hoare triple {6935#true} ~main__len~0 := #t~nondet1; {6935#true} is VALID [2020-07-10 20:23:10,846 INFO L280 TraceCheckUtils]: 16: Hoare triple {6935#true} havoc #t~nondet1; {6935#true} is VALID [2020-07-10 20:23:10,847 INFO L280 TraceCheckUtils]: 17: Hoare triple {6935#true} ~main__limit~0 := ~main__bufsize~0 - 4; {6935#true} is VALID [2020-07-10 20:23:10,847 INFO L280 TraceCheckUtils]: 18: Hoare triple {6935#true} ~main__i~0 := 0; {6935#true} is VALID [2020-07-10 20:23:10,847 INFO L280 TraceCheckUtils]: 19: Hoare triple {6935#true} assume ~main__i~0 < ~main__len~0; {6935#true} is VALID [2020-07-10 20:23:10,849 INFO L280 TraceCheckUtils]: 20: Hoare triple {6935#true} ~main__j~0 := 0; {6941#(<= 0 main_~main__j~0)} is VALID [2020-07-10 20:23:10,850 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 [2020-07-10 20:23:10,851 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 [2020-07-10 20:23:10,851 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 [2020-07-10 20:23:10,852 INFO L280 TraceCheckUtils]: 24: Hoare triple {6941#(<= 0 main_~main__j~0)} havoc ~__tmp_3~0; {6941#(<= 0 main_~main__j~0)} is VALID [2020-07-10 20:23:10,852 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 [2020-07-10 20:23:10,853 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 [2020-07-10 20:23:10,853 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 [2020-07-10 20:23:10,854 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 [2020-07-10 20:23:10,854 INFO L280 TraceCheckUtils]: 29: Hoare triple {6941#(<= 0 main_~main__j~0)} havoc ~__tmp_4~0; {6941#(<= 0 main_~main__j~0)} is VALID [2020-07-10 20:23:10,854 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 [2020-07-10 20:23:10,855 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 [2020-07-10 20:23:10,855 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 [2020-07-10 20:23:10,856 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 [2020-07-10 20:23:10,856 INFO L280 TraceCheckUtils]: 34: Hoare triple {6941#(<= 0 main_~main__j~0)} havoc ~__tmp_5~0; {6941#(<= 0 main_~main__j~0)} is VALID [2020-07-10 20:23:10,857 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 [2020-07-10 20:23:10,857 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 [2020-07-10 20:23:10,858 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 [2020-07-10 20:23:10,858 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 [2020-07-10 20:23:10,858 INFO L280 TraceCheckUtils]: 39: Hoare triple {6941#(<= 0 main_~main__j~0)} havoc ~__tmp_6~0; {6941#(<= 0 main_~main__j~0)} is VALID [2020-07-10 20:23:10,859 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 [2020-07-10 20:23:10,859 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 [2020-07-10 20:23:10,860 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 [2020-07-10 20:23:10,860 INFO L280 TraceCheckUtils]: 43: Hoare triple {6943#(not (= 0 main_~__VERIFIER_assert__cond~5))} assume 0 == ~__VERIFIER_assert__cond~5; {6936#false} is VALID [2020-07-10 20:23:10,861 INFO L280 TraceCheckUtils]: 44: Hoare triple {6936#false} assume !false; {6936#false} is VALID [2020-07-10 20:23:10,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 20:23:10,863 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 20:23:10,863 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [911609392] [2020-07-10 20:23:10,863 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 20:23:10,864 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-10 20:23:10,864 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430551442] [2020-07-10 20:23:10,864 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 45 [2020-07-10 20:23:10,865 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 20:23:10,865 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-10 20:23:10,918 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 45 edges. 45 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:23:10,918 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-10 20:23:10,918 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-10 20:23:10,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-10 20:23:10,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-10 20:23:10,919 INFO L87 Difference]: Start difference. First operand 146 states and 150 transitions. Second operand 6 states. [2020-07-10 20:23:13,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:23:13,954 INFO L93 Difference]: Finished difference Result 267 states and 275 transitions. [2020-07-10 20:23:13,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-10 20:23:13,955 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 45 [2020-07-10 20:23:13,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 20:23:13,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-10 20:23:13,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 273 transitions. [2020-07-10 20:23:13,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-10 20:23:13,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 273 transitions. [2020-07-10 20:23:13,976 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 273 transitions. [2020-07-10 20:23:14,339 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 273 edges. 273 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:23:14,346 INFO L225 Difference]: With dead ends: 267 [2020-07-10 20:23:14,346 INFO L226 Difference]: Without dead ends: 265 [2020-07-10 20:23:14,347 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 [2020-07-10 20:23:14,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2020-07-10 20:23:15,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 144. [2020-07-10 20:23:15,420 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 20:23:15,421 INFO L82 GeneralOperation]: Start isEquivalent. First operand 265 states. Second operand 144 states. [2020-07-10 20:23:15,421 INFO L74 IsIncluded]: Start isIncluded. First operand 265 states. Second operand 144 states. [2020-07-10 20:23:15,421 INFO L87 Difference]: Start difference. First operand 265 states. Second operand 144 states. [2020-07-10 20:23:15,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:23:15,427 INFO L93 Difference]: Finished difference Result 265 states and 273 transitions. [2020-07-10 20:23:15,427 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 273 transitions. [2020-07-10 20:23:15,428 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 20:23:15,428 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 20:23:15,428 INFO L74 IsIncluded]: Start isIncluded. First operand 144 states. Second operand 265 states. [2020-07-10 20:23:15,428 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 265 states. [2020-07-10 20:23:15,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:23:15,435 INFO L93 Difference]: Finished difference Result 265 states and 273 transitions. [2020-07-10 20:23:15,435 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 273 transitions. [2020-07-10 20:23:15,436 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 20:23:15,436 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 20:23:15,436 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 20:23:15,436 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 20:23:15,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-07-10 20:23:15,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 148 transitions. [2020-07-10 20:23:15,439 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 148 transitions. Word has length 45 [2020-07-10 20:23:15,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 20:23:15,439 INFO L479 AbstractCegarLoop]: Abstraction has 144 states and 148 transitions. [2020-07-10 20:23:15,440 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-10 20:23:15,440 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 144 states and 148 transitions. [2020-07-10 20:23:15,900 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 148 edges. 148 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:23:15,900 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 148 transitions. [2020-07-10 20:23:15,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-07-10 20:23:15,901 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 20:23:15,901 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] [2020-07-10 20:23:15,902 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-10 20:23:15,902 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]=== [2020-07-10 20:23:15,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 20:23:15,903 INFO L82 PathProgramCache]: Analyzing trace with hash -1678067487, now seen corresponding path program 1 times [2020-07-10 20:23:15,903 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 20:23:15,904 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [506480532] [2020-07-10 20:23:15,905 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 20:23:15,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 20:23:16,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 20:23:16,036 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 [2020-07-10 20:23:16,037 INFO L280 TraceCheckUtils]: 1: Hoare triple {8309#true} ~__return_334~0 := 0; {8309#true} is VALID [2020-07-10 20:23:16,037 INFO L280 TraceCheckUtils]: 2: Hoare triple {8309#true} assume true; {8309#true} is VALID [2020-07-10 20:23:16,037 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {8309#true} {8309#true} #261#return; {8309#true} is VALID [2020-07-10 20:23:16,038 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 [2020-07-10 20:23:16,038 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 [2020-07-10 20:23:16,038 INFO L280 TraceCheckUtils]: 2: Hoare triple {8309#true} ~__return_334~0 := 0; {8309#true} is VALID [2020-07-10 20:23:16,038 INFO L280 TraceCheckUtils]: 3: Hoare triple {8309#true} assume true; {8309#true} is VALID [2020-07-10 20:23:16,038 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {8309#true} {8309#true} #261#return; {8309#true} is VALID [2020-07-10 20:23:16,039 INFO L263 TraceCheckUtils]: 5: Hoare triple {8309#true} call #t~ret3 := main(); {8309#true} is VALID [2020-07-10 20:23:16,039 INFO L280 TraceCheckUtils]: 6: Hoare triple {8309#true} havoc ~main__len~0; {8309#true} is VALID [2020-07-10 20:23:16,039 INFO L280 TraceCheckUtils]: 7: Hoare triple {8309#true} havoc ~main__i~0; {8309#true} is VALID [2020-07-10 20:23:16,039 INFO L280 TraceCheckUtils]: 8: Hoare triple {8309#true} havoc ~main__j~0; {8309#true} is VALID [2020-07-10 20:23:16,040 INFO L280 TraceCheckUtils]: 9: Hoare triple {8309#true} havoc ~main__bufsize~0; {8309#true} is VALID [2020-07-10 20:23:16,040 INFO L280 TraceCheckUtils]: 10: Hoare triple {8309#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {8309#true} is VALID [2020-07-10 20:23:16,040 INFO L280 TraceCheckUtils]: 11: Hoare triple {8309#true} ~main__bufsize~0 := #t~nondet0; {8309#true} is VALID [2020-07-10 20:23:16,040 INFO L280 TraceCheckUtils]: 12: Hoare triple {8309#true} havoc #t~nondet0; {8309#true} is VALID [2020-07-10 20:23:16,041 INFO L280 TraceCheckUtils]: 13: Hoare triple {8309#true} assume !(~main__bufsize~0 < 0); {8309#true} is VALID [2020-07-10 20:23:16,041 INFO L280 TraceCheckUtils]: 14: Hoare triple {8309#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {8309#true} is VALID [2020-07-10 20:23:16,041 INFO L280 TraceCheckUtils]: 15: Hoare triple {8309#true} ~main__len~0 := #t~nondet1; {8309#true} is VALID [2020-07-10 20:23:16,041 INFO L280 TraceCheckUtils]: 16: Hoare triple {8309#true} havoc #t~nondet1; {8309#true} is VALID [2020-07-10 20:23:16,042 INFO L280 TraceCheckUtils]: 17: Hoare triple {8309#true} ~main__limit~0 := ~main__bufsize~0 - 4; {8309#true} is VALID [2020-07-10 20:23:16,042 INFO L280 TraceCheckUtils]: 18: Hoare triple {8309#true} ~main__i~0 := 0; {8309#true} is VALID [2020-07-10 20:23:16,042 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 [2020-07-10 20:23:16,044 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 [2020-07-10 20:23:16,045 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 [2020-07-10 20:23:16,046 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 [2020-07-10 20:23:16,047 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 [2020-07-10 20:23:16,049 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 [2020-07-10 20:23:16,049 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 [2020-07-10 20:23:16,050 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 [2020-07-10 20:23:16,050 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 [2020-07-10 20:23:16,050 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 [2020-07-10 20:23:16,051 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 [2020-07-10 20:23:16,051 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 [2020-07-10 20:23:16,052 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 [2020-07-10 20:23:16,052 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 [2020-07-10 20:23:16,052 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 [2020-07-10 20:23:16,053 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 [2020-07-10 20:23:16,053 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 [2020-07-10 20:23:16,054 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 [2020-07-10 20:23:16,054 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 [2020-07-10 20:23:16,055 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 [2020-07-10 20:23:16,055 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 [2020-07-10 20:23:16,056 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 [2020-07-10 20:23:16,056 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 [2020-07-10 20:23:16,057 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 [2020-07-10 20:23:16,058 INFO L280 TraceCheckUtils]: 43: Hoare triple {8317#(not (= 0 main_~__VERIFIER_assert__cond~6))} assume 0 == ~__VERIFIER_assert__cond~6; {8310#false} is VALID [2020-07-10 20:23:16,058 INFO L280 TraceCheckUtils]: 44: Hoare triple {8310#false} assume !false; {8310#false} is VALID [2020-07-10 20:23:16,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 20:23:16,059 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 20:23:16,060 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [506480532] [2020-07-10 20:23:16,060 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 20:23:16,060 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-10 20:23:16,060 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838374059] [2020-07-10 20:23:16,061 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 45 [2020-07-10 20:23:16,061 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 20:23:16,061 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-10 20:23:16,114 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 45 edges. 45 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:23:16,115 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-10 20:23:16,115 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-10 20:23:16,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-10 20:23:16,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-10 20:23:16,116 INFO L87 Difference]: Start difference. First operand 144 states and 148 transitions. Second operand 6 states. [2020-07-10 20:23:18,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:23:18,463 INFO L93 Difference]: Finished difference Result 194 states and 202 transitions. [2020-07-10 20:23:18,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-10 20:23:18,463 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 45 [2020-07-10 20:23:18,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 20:23:18,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-10 20:23:18,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 202 transitions. [2020-07-10 20:23:18,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-10 20:23:18,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 202 transitions. [2020-07-10 20:23:18,468 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 202 transitions. [2020-07-10 20:23:18,719 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 202 edges. 202 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:23:18,723 INFO L225 Difference]: With dead ends: 194 [2020-07-10 20:23:18,724 INFO L226 Difference]: Without dead ends: 192 [2020-07-10 20:23:18,725 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 [2020-07-10 20:23:18,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2020-07-10 20:23:19,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 142. [2020-07-10 20:23:19,829 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 20:23:19,830 INFO L82 GeneralOperation]: Start isEquivalent. First operand 192 states. Second operand 142 states. [2020-07-10 20:23:19,830 INFO L74 IsIncluded]: Start isIncluded. First operand 192 states. Second operand 142 states. [2020-07-10 20:23:19,830 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 142 states. [2020-07-10 20:23:19,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:23:19,834 INFO L93 Difference]: Finished difference Result 192 states and 200 transitions. [2020-07-10 20:23:19,834 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 200 transitions. [2020-07-10 20:23:19,835 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 20:23:19,835 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 20:23:19,835 INFO L74 IsIncluded]: Start isIncluded. First operand 142 states. Second operand 192 states. [2020-07-10 20:23:19,835 INFO L87 Difference]: Start difference. First operand 142 states. Second operand 192 states. [2020-07-10 20:23:19,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:23:19,839 INFO L93 Difference]: Finished difference Result 192 states and 200 transitions. [2020-07-10 20:23:19,840 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 200 transitions. [2020-07-10 20:23:19,840 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 20:23:19,840 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 20:23:19,840 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 20:23:19,841 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 20:23:19,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-07-10 20:23:19,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 146 transitions. [2020-07-10 20:23:19,844 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 146 transitions. Word has length 45 [2020-07-10 20:23:19,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 20:23:19,844 INFO L479 AbstractCegarLoop]: Abstraction has 142 states and 146 transitions. [2020-07-10 20:23:19,844 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-10 20:23:19,844 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 142 states and 146 transitions. [2020-07-10 20:23:20,287 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 146 edges. 146 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:23:20,288 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 146 transitions. [2020-07-10 20:23:20,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-07-10 20:23:20,289 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 20:23:20,289 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 20:23:20,289 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-10 20:23:20,289 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]=== [2020-07-10 20:23:20,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 20:23:20,290 INFO L82 PathProgramCache]: Analyzing trace with hash 776869197, now seen corresponding path program 1 times [2020-07-10 20:23:20,290 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 20:23:20,290 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [733768165] [2020-07-10 20:23:20,290 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 20:23:20,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 20:23:20,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 20:23:20,454 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 [2020-07-10 20:23:20,455 INFO L280 TraceCheckUtils]: 1: Hoare triple {9387#true} ~__return_334~0 := 0; {9387#true} is VALID [2020-07-10 20:23:20,455 INFO L280 TraceCheckUtils]: 2: Hoare triple {9387#true} assume true; {9387#true} is VALID [2020-07-10 20:23:20,455 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {9387#true} {9387#true} #261#return; {9387#true} is VALID [2020-07-10 20:23:20,456 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 [2020-07-10 20:23:20,457 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 [2020-07-10 20:23:20,457 INFO L280 TraceCheckUtils]: 2: Hoare triple {9387#true} ~__return_334~0 := 0; {9387#true} is VALID [2020-07-10 20:23:20,457 INFO L280 TraceCheckUtils]: 3: Hoare triple {9387#true} assume true; {9387#true} is VALID [2020-07-10 20:23:20,458 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {9387#true} {9387#true} #261#return; {9387#true} is VALID [2020-07-10 20:23:20,460 INFO L263 TraceCheckUtils]: 5: Hoare triple {9387#true} call #t~ret3 := main(); {9387#true} is VALID [2020-07-10 20:23:20,461 INFO L280 TraceCheckUtils]: 6: Hoare triple {9387#true} havoc ~main__len~0; {9387#true} is VALID [2020-07-10 20:23:20,461 INFO L280 TraceCheckUtils]: 7: Hoare triple {9387#true} havoc ~main__i~0; {9387#true} is VALID [2020-07-10 20:23:20,461 INFO L280 TraceCheckUtils]: 8: Hoare triple {9387#true} havoc ~main__j~0; {9387#true} is VALID [2020-07-10 20:23:20,462 INFO L280 TraceCheckUtils]: 9: Hoare triple {9387#true} havoc ~main__bufsize~0; {9387#true} is VALID [2020-07-10 20:23:20,462 INFO L280 TraceCheckUtils]: 10: Hoare triple {9387#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {9387#true} is VALID [2020-07-10 20:23:20,462 INFO L280 TraceCheckUtils]: 11: Hoare triple {9387#true} ~main__bufsize~0 := #t~nondet0; {9387#true} is VALID [2020-07-10 20:23:20,463 INFO L280 TraceCheckUtils]: 12: Hoare triple {9387#true} havoc #t~nondet0; {9387#true} is VALID [2020-07-10 20:23:20,466 INFO L280 TraceCheckUtils]: 13: Hoare triple {9387#true} assume !(~main__bufsize~0 < 0); {9387#true} is VALID [2020-07-10 20:23:20,467 INFO L280 TraceCheckUtils]: 14: Hoare triple {9387#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {9387#true} is VALID [2020-07-10 20:23:20,467 INFO L280 TraceCheckUtils]: 15: Hoare triple {9387#true} ~main__len~0 := #t~nondet1; {9387#true} is VALID [2020-07-10 20:23:20,467 INFO L280 TraceCheckUtils]: 16: Hoare triple {9387#true} havoc #t~nondet1; {9387#true} is VALID [2020-07-10 20:23:20,468 INFO L280 TraceCheckUtils]: 17: Hoare triple {9387#true} ~main__limit~0 := ~main__bufsize~0 - 4; {9387#true} is VALID [2020-07-10 20:23:20,468 INFO L280 TraceCheckUtils]: 18: Hoare triple {9387#true} ~main__i~0 := 0; {9387#true} is VALID [2020-07-10 20:23:20,468 INFO L280 TraceCheckUtils]: 19: Hoare triple {9387#true} assume ~main__i~0 < ~main__len~0; {9387#true} is VALID [2020-07-10 20:23:20,469 INFO L280 TraceCheckUtils]: 20: Hoare triple {9387#true} ~main__j~0 := 0; {9387#true} is VALID [2020-07-10 20:23:20,472 INFO L280 TraceCheckUtils]: 21: Hoare triple {9387#true} assume ~main__i~0 < ~main__len~0; {9387#true} is VALID [2020-07-10 20:23:20,473 INFO L280 TraceCheckUtils]: 22: Hoare triple {9387#true} assume ~main__j~0 < ~main__limit~0; {9387#true} is VALID [2020-07-10 20:23:20,473 INFO L280 TraceCheckUtils]: 23: Hoare triple {9387#true} assume 1 + ~main__i~0 < ~main__len~0; {9387#true} is VALID [2020-07-10 20:23:20,473 INFO L280 TraceCheckUtils]: 24: Hoare triple {9387#true} havoc ~__tmp_1~0; {9387#true} is VALID [2020-07-10 20:23:20,474 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 [2020-07-10 20:23:20,474 INFO L280 TraceCheckUtils]: 26: Hoare triple {9387#true} havoc ~__VERIFIER_assert__cond~0; {9387#true} is VALID [2020-07-10 20:23:20,474 INFO L280 TraceCheckUtils]: 27: Hoare triple {9387#true} ~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {9387#true} is VALID [2020-07-10 20:23:20,475 INFO L280 TraceCheckUtils]: 28: Hoare triple {9387#true} assume !(0 == ~__VERIFIER_assert__cond~0); {9387#true} is VALID [2020-07-10 20:23:20,479 INFO L280 TraceCheckUtils]: 29: Hoare triple {9387#true} havoc ~__tmp_2~0; {9387#true} is VALID [2020-07-10 20:23:20,484 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 [2020-07-10 20:23:20,486 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 [2020-07-10 20:23:20,489 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 [2020-07-10 20:23:20,490 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 [2020-07-10 20:23:20,491 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 [2020-07-10 20:23:20,492 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 [2020-07-10 20:23:20,493 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 [2020-07-10 20:23:20,493 INFO L280 TraceCheckUtils]: 37: Hoare triple {9395#(<= 0 main_~main__i~0)} havoc #t~nondet2; {9395#(<= 0 main_~main__i~0)} is VALID [2020-07-10 20:23:20,494 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 [2020-07-10 20:23:20,495 INFO L280 TraceCheckUtils]: 39: Hoare triple {9395#(<= 0 main_~main__i~0)} havoc ~__tmp_7~0; {9395#(<= 0 main_~main__i~0)} is VALID [2020-07-10 20:23:20,495 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 [2020-07-10 20:23:20,496 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 [2020-07-10 20:23:20,496 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 [2020-07-10 20:23:20,497 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 [2020-07-10 20:23:20,499 INFO L280 TraceCheckUtils]: 44: Hoare triple {9395#(<= 0 main_~main__i~0)} havoc ~__tmp_8~0; {9395#(<= 0 main_~main__i~0)} is VALID [2020-07-10 20:23:20,500 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 [2020-07-10 20:23:20,500 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 [2020-07-10 20:23:20,501 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 [2020-07-10 20:23:20,502 INFO L280 TraceCheckUtils]: 48: Hoare triple {9397#(not (= 0 main_~__VERIFIER_assert__cond~7))} assume 0 == ~__VERIFIER_assert__cond~7; {9388#false} is VALID [2020-07-10 20:23:20,503 INFO L280 TraceCheckUtils]: 49: Hoare triple {9388#false} assume !false; {9388#false} is VALID [2020-07-10 20:23:20,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 20:23:20,511 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 20:23:20,511 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [733768165] [2020-07-10 20:23:20,511 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 20:23:20,511 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-10 20:23:20,512 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431039001] [2020-07-10 20:23:20,513 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 50 [2020-07-10 20:23:20,513 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 20:23:20,513 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-10 20:23:20,575 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:23:20,575 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-10 20:23:20,576 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-10 20:23:20,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-10 20:23:20,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-07-10 20:23:20,576 INFO L87 Difference]: Start difference. First operand 142 states and 146 transitions. Second operand 8 states. [2020-07-10 20:23:24,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:23:24,509 INFO L93 Difference]: Finished difference Result 233 states and 244 transitions. [2020-07-10 20:23:24,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-10 20:23:24,510 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 50 [2020-07-10 20:23:24,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 20:23:24,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-10 20:23:24,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 241 transitions. [2020-07-10 20:23:24,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-10 20:23:24,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 241 transitions. [2020-07-10 20:23:24,515 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states and 241 transitions. [2020-07-10 20:23:24,842 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 241 edges. 241 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:23:24,849 INFO L225 Difference]: With dead ends: 233 [2020-07-10 20:23:24,849 INFO L226 Difference]: Without dead ends: 231 [2020-07-10 20:23:24,852 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 [2020-07-10 20:23:24,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2020-07-10 20:23:26,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 140. [2020-07-10 20:23:26,149 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 20:23:26,149 INFO L82 GeneralOperation]: Start isEquivalent. First operand 231 states. Second operand 140 states. [2020-07-10 20:23:26,149 INFO L74 IsIncluded]: Start isIncluded. First operand 231 states. Second operand 140 states. [2020-07-10 20:23:26,149 INFO L87 Difference]: Start difference. First operand 231 states. Second operand 140 states. [2020-07-10 20:23:26,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:23:26,154 INFO L93 Difference]: Finished difference Result 231 states and 242 transitions. [2020-07-10 20:23:26,155 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 242 transitions. [2020-07-10 20:23:26,155 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 20:23:26,155 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 20:23:26,156 INFO L74 IsIncluded]: Start isIncluded. First operand 140 states. Second operand 231 states. [2020-07-10 20:23:26,156 INFO L87 Difference]: Start difference. First operand 140 states. Second operand 231 states. [2020-07-10 20:23:26,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:23:26,161 INFO L93 Difference]: Finished difference Result 231 states and 242 transitions. [2020-07-10 20:23:26,161 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 242 transitions. [2020-07-10 20:23:26,162 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 20:23:26,162 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 20:23:26,162 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 20:23:26,162 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 20:23:26,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-07-10 20:23:26,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 144 transitions. [2020-07-10 20:23:26,165 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 144 transitions. Word has length 50 [2020-07-10 20:23:26,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 20:23:26,166 INFO L479 AbstractCegarLoop]: Abstraction has 140 states and 144 transitions. [2020-07-10 20:23:26,166 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-10 20:23:26,166 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 140 states and 144 transitions. [2020-07-10 20:23:26,654 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 144 edges. 144 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:23:26,654 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 144 transitions. [2020-07-10 20:23:26,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-07-10 20:23:26,655 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 20:23:26,655 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 20:23:26,656 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-10 20:23:26,656 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]=== [2020-07-10 20:23:26,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 20:23:26,657 INFO L82 PathProgramCache]: Analyzing trace with hash -828388948, now seen corresponding path program 1 times [2020-07-10 20:23:26,657 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 20:23:26,657 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [96089678] [2020-07-10 20:23:26,657 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 20:23:26,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 20:23:26,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 20:23:26,774 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 [2020-07-10 20:23:26,774 INFO L280 TraceCheckUtils]: 1: Hoare triple {10630#true} ~__return_334~0 := 0; {10630#true} is VALID [2020-07-10 20:23:26,775 INFO L280 TraceCheckUtils]: 2: Hoare triple {10630#true} assume true; {10630#true} is VALID [2020-07-10 20:23:26,775 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {10630#true} {10630#true} #261#return; {10630#true} is VALID [2020-07-10 20:23:26,775 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 [2020-07-10 20:23:26,776 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 [2020-07-10 20:23:26,776 INFO L280 TraceCheckUtils]: 2: Hoare triple {10630#true} ~__return_334~0 := 0; {10630#true} is VALID [2020-07-10 20:23:26,776 INFO L280 TraceCheckUtils]: 3: Hoare triple {10630#true} assume true; {10630#true} is VALID [2020-07-10 20:23:26,776 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {10630#true} {10630#true} #261#return; {10630#true} is VALID [2020-07-10 20:23:26,776 INFO L263 TraceCheckUtils]: 5: Hoare triple {10630#true} call #t~ret3 := main(); {10630#true} is VALID [2020-07-10 20:23:26,776 INFO L280 TraceCheckUtils]: 6: Hoare triple {10630#true} havoc ~main__len~0; {10630#true} is VALID [2020-07-10 20:23:26,776 INFO L280 TraceCheckUtils]: 7: Hoare triple {10630#true} havoc ~main__i~0; {10630#true} is VALID [2020-07-10 20:23:26,777 INFO L280 TraceCheckUtils]: 8: Hoare triple {10630#true} havoc ~main__j~0; {10630#true} is VALID [2020-07-10 20:23:26,777 INFO L280 TraceCheckUtils]: 9: Hoare triple {10630#true} havoc ~main__bufsize~0; {10630#true} is VALID [2020-07-10 20:23:26,777 INFO L280 TraceCheckUtils]: 10: Hoare triple {10630#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {10630#true} is VALID [2020-07-10 20:23:26,777 INFO L280 TraceCheckUtils]: 11: Hoare triple {10630#true} ~main__bufsize~0 := #t~nondet0; {10630#true} is VALID [2020-07-10 20:23:26,777 INFO L280 TraceCheckUtils]: 12: Hoare triple {10630#true} havoc #t~nondet0; {10630#true} is VALID [2020-07-10 20:23:26,777 INFO L280 TraceCheckUtils]: 13: Hoare triple {10630#true} assume !(~main__bufsize~0 < 0); {10630#true} is VALID [2020-07-10 20:23:26,778 INFO L280 TraceCheckUtils]: 14: Hoare triple {10630#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {10630#true} is VALID [2020-07-10 20:23:26,778 INFO L280 TraceCheckUtils]: 15: Hoare triple {10630#true} ~main__len~0 := #t~nondet1; {10630#true} is VALID [2020-07-10 20:23:26,778 INFO L280 TraceCheckUtils]: 16: Hoare triple {10630#true} havoc #t~nondet1; {10630#true} is VALID [2020-07-10 20:23:26,778 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 [2020-07-10 20:23:26,779 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 [2020-07-10 20:23:26,779 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 [2020-07-10 20:23:26,780 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 [2020-07-10 20:23:26,780 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 [2020-07-10 20:23:26,781 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 [2020-07-10 20:23:26,781 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 [2020-07-10 20:23:26,781 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 [2020-07-10 20:23:26,782 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 [2020-07-10 20:23:26,782 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 [2020-07-10 20:23:26,783 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 [2020-07-10 20:23:26,783 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 [2020-07-10 20:23:26,783 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 [2020-07-10 20:23:26,784 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 [2020-07-10 20:23:26,784 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 [2020-07-10 20:23:26,785 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 [2020-07-10 20:23:26,785 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 [2020-07-10 20:23:26,785 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 [2020-07-10 20:23:26,786 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 [2020-07-10 20:23:26,787 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 [2020-07-10 20:23:26,788 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 [2020-07-10 20:23:26,792 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 [2020-07-10 20:23:26,794 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 [2020-07-10 20:23:26,801 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 [2020-07-10 20:23:26,802 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 [2020-07-10 20:23:26,803 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 [2020-07-10 20:23:26,803 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 [2020-07-10 20:23:26,804 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 [2020-07-10 20:23:26,804 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 [2020-07-10 20:23:26,805 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 [2020-07-10 20:23:26,806 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 [2020-07-10 20:23:26,806 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 [2020-07-10 20:23:26,807 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 [2020-07-10 20:23:26,808 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 [2020-07-10 20:23:26,808 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 [2020-07-10 20:23:26,809 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 [2020-07-10 20:23:26,810 INFO L280 TraceCheckUtils]: 53: Hoare triple {10639#(not (= 0 main_~__VERIFIER_assert__cond~8))} assume 0 == ~__VERIFIER_assert__cond~8; {10631#false} is VALID [2020-07-10 20:23:26,810 INFO L280 TraceCheckUtils]: 54: Hoare triple {10631#false} assume !false; {10631#false} is VALID [2020-07-10 20:23:26,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 20:23:26,814 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 20:23:26,815 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [96089678] [2020-07-10 20:23:26,815 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 20:23:26,815 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-10 20:23:26,818 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116893834] [2020-07-10 20:23:26,819 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2020-07-10 20:23:26,820 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 20:23:26,820 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-10 20:23:26,877 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 55 edges. 55 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:23:26,877 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-10 20:23:26,878 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-10 20:23:26,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-10 20:23:26,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-07-10 20:23:26,878 INFO L87 Difference]: Start difference. First operand 140 states and 144 transitions. Second operand 7 states. [2020-07-10 20:23:29,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:23:29,891 INFO L93 Difference]: Finished difference Result 198 states and 206 transitions. [2020-07-10 20:23:29,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-10 20:23:29,891 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2020-07-10 20:23:29,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 20:23:29,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-10 20:23:29,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 204 transitions. [2020-07-10 20:23:29,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-10 20:23:29,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 204 transitions. [2020-07-10 20:23:29,896 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 204 transitions. [2020-07-10 20:23:30,186 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 204 edges. 204 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:23:30,190 INFO L225 Difference]: With dead ends: 198 [2020-07-10 20:23:30,190 INFO L226 Difference]: Without dead ends: 196 [2020-07-10 20:23:30,191 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 [2020-07-10 20:23:30,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2020-07-10 20:23:31,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 138. [2020-07-10 20:23:31,539 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 20:23:31,539 INFO L82 GeneralOperation]: Start isEquivalent. First operand 196 states. Second operand 138 states. [2020-07-10 20:23:31,539 INFO L74 IsIncluded]: Start isIncluded. First operand 196 states. Second operand 138 states. [2020-07-10 20:23:31,539 INFO L87 Difference]: Start difference. First operand 196 states. Second operand 138 states. [2020-07-10 20:23:31,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:23:31,544 INFO L93 Difference]: Finished difference Result 196 states and 204 transitions. [2020-07-10 20:23:31,545 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 204 transitions. [2020-07-10 20:23:31,545 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 20:23:31,545 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 20:23:31,545 INFO L74 IsIncluded]: Start isIncluded. First operand 138 states. Second operand 196 states. [2020-07-10 20:23:31,546 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 196 states. [2020-07-10 20:23:31,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:23:31,550 INFO L93 Difference]: Finished difference Result 196 states and 204 transitions. [2020-07-10 20:23:31,550 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 204 transitions. [2020-07-10 20:23:31,551 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 20:23:31,551 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 20:23:31,551 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 20:23:31,551 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 20:23:31,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-07-10 20:23:31,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 142 transitions. [2020-07-10 20:23:31,554 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 142 transitions. Word has length 55 [2020-07-10 20:23:31,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 20:23:31,555 INFO L479 AbstractCegarLoop]: Abstraction has 138 states and 142 transitions. [2020-07-10 20:23:31,555 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-10 20:23:31,555 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 138 states and 142 transitions. [2020-07-10 20:23:32,099 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 142 edges. 142 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:23:32,100 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 142 transitions. [2020-07-10 20:23:32,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-10 20:23:32,100 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 20:23:32,101 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] [2020-07-10 20:23:32,101 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-10 20:23:32,101 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]=== [2020-07-10 20:23:32,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 20:23:32,101 INFO L82 PathProgramCache]: Analyzing trace with hash -2080692744, now seen corresponding path program 1 times [2020-07-10 20:23:32,102 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 20:23:32,102 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2117314215] [2020-07-10 20:23:32,102 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 20:23:32,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 20:23:32,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 20:23:32,229 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 [2020-07-10 20:23:32,230 INFO L280 TraceCheckUtils]: 1: Hoare triple {11719#true} ~__return_334~0 := 0; {11719#true} is VALID [2020-07-10 20:23:32,230 INFO L280 TraceCheckUtils]: 2: Hoare triple {11719#true} assume true; {11719#true} is VALID [2020-07-10 20:23:32,230 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {11719#true} {11719#true} #261#return; {11719#true} is VALID [2020-07-10 20:23:32,231 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 [2020-07-10 20:23:32,231 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 [2020-07-10 20:23:32,231 INFO L280 TraceCheckUtils]: 2: Hoare triple {11719#true} ~__return_334~0 := 0; {11719#true} is VALID [2020-07-10 20:23:32,232 INFO L280 TraceCheckUtils]: 3: Hoare triple {11719#true} assume true; {11719#true} is VALID [2020-07-10 20:23:32,232 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {11719#true} {11719#true} #261#return; {11719#true} is VALID [2020-07-10 20:23:32,232 INFO L263 TraceCheckUtils]: 5: Hoare triple {11719#true} call #t~ret3 := main(); {11719#true} is VALID [2020-07-10 20:23:32,232 INFO L280 TraceCheckUtils]: 6: Hoare triple {11719#true} havoc ~main__len~0; {11719#true} is VALID [2020-07-10 20:23:32,232 INFO L280 TraceCheckUtils]: 7: Hoare triple {11719#true} havoc ~main__i~0; {11719#true} is VALID [2020-07-10 20:23:32,233 INFO L280 TraceCheckUtils]: 8: Hoare triple {11719#true} havoc ~main__j~0; {11719#true} is VALID [2020-07-10 20:23:32,233 INFO L280 TraceCheckUtils]: 9: Hoare triple {11719#true} havoc ~main__bufsize~0; {11719#true} is VALID [2020-07-10 20:23:32,233 INFO L280 TraceCheckUtils]: 10: Hoare triple {11719#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {11719#true} is VALID [2020-07-10 20:23:32,233 INFO L280 TraceCheckUtils]: 11: Hoare triple {11719#true} ~main__bufsize~0 := #t~nondet0; {11719#true} is VALID [2020-07-10 20:23:32,233 INFO L280 TraceCheckUtils]: 12: Hoare triple {11719#true} havoc #t~nondet0; {11719#true} is VALID [2020-07-10 20:23:32,234 INFO L280 TraceCheckUtils]: 13: Hoare triple {11719#true} assume !(~main__bufsize~0 < 0); {11719#true} is VALID [2020-07-10 20:23:32,234 INFO L280 TraceCheckUtils]: 14: Hoare triple {11719#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {11719#true} is VALID [2020-07-10 20:23:32,234 INFO L280 TraceCheckUtils]: 15: Hoare triple {11719#true} ~main__len~0 := #t~nondet1; {11719#true} is VALID [2020-07-10 20:23:32,234 INFO L280 TraceCheckUtils]: 16: Hoare triple {11719#true} havoc #t~nondet1; {11719#true} is VALID [2020-07-10 20:23:32,234 INFO L280 TraceCheckUtils]: 17: Hoare triple {11719#true} ~main__limit~0 := ~main__bufsize~0 - 4; {11719#true} is VALID [2020-07-10 20:23:32,234 INFO L280 TraceCheckUtils]: 18: Hoare triple {11719#true} ~main__i~0 := 0; {11719#true} is VALID [2020-07-10 20:23:32,235 INFO L280 TraceCheckUtils]: 19: Hoare triple {11719#true} assume ~main__i~0 < ~main__len~0; {11719#true} is VALID [2020-07-10 20:23:32,235 INFO L280 TraceCheckUtils]: 20: Hoare triple {11719#true} ~main__j~0 := 0; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-10 20:23:32,236 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 [2020-07-10 20:23:32,236 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 [2020-07-10 20:23:32,236 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 [2020-07-10 20:23:32,237 INFO L280 TraceCheckUtils]: 24: Hoare triple {11725#(<= 0 main_~main__j~0)} havoc ~__tmp_1~0; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-10 20:23:32,237 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 [2020-07-10 20:23:32,237 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 [2020-07-10 20:23:32,238 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 [2020-07-10 20:23:32,238 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 [2020-07-10 20:23:32,239 INFO L280 TraceCheckUtils]: 29: Hoare triple {11725#(<= 0 main_~main__j~0)} havoc ~__tmp_2~0; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-10 20:23:32,239 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 [2020-07-10 20:23:32,239 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 [2020-07-10 20:23:32,240 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 [2020-07-10 20:23:32,241 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 [2020-07-10 20:23:32,242 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 [2020-07-10 20:23:32,242 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 [2020-07-10 20:23:32,243 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 [2020-07-10 20:23:32,243 INFO L280 TraceCheckUtils]: 37: Hoare triple {11725#(<= 0 main_~main__j~0)} havoc #t~nondet2; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-10 20:23:32,244 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 [2020-07-10 20:23:32,244 INFO L280 TraceCheckUtils]: 39: Hoare triple {11725#(<= 0 main_~main__j~0)} havoc ~__tmp_7~0; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-10 20:23:32,245 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 [2020-07-10 20:23:32,245 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 [2020-07-10 20:23:32,246 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 [2020-07-10 20:23:32,246 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 [2020-07-10 20:23:32,246 INFO L280 TraceCheckUtils]: 44: Hoare triple {11725#(<= 0 main_~main__j~0)} havoc ~__tmp_8~0; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-10 20:23:32,247 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 [2020-07-10 20:23:32,247 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 [2020-07-10 20:23:32,248 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 [2020-07-10 20:23:32,250 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 [2020-07-10 20:23:32,253 INFO L280 TraceCheckUtils]: 49: Hoare triple {11725#(<= 0 main_~main__j~0)} havoc ~__tmp_9~0; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-10 20:23:32,254 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 [2020-07-10 20:23:32,254 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 [2020-07-10 20:23:32,255 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 [2020-07-10 20:23:32,255 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 [2020-07-10 20:23:32,256 INFO L280 TraceCheckUtils]: 54: Hoare triple {11725#(<= 0 main_~main__j~0)} havoc ~__tmp_10~0; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-10 20:23:32,256 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 [2020-07-10 20:23:32,256 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 [2020-07-10 20:23:32,257 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 [2020-07-10 20:23:32,257 INFO L280 TraceCheckUtils]: 58: Hoare triple {11727#(not (= 0 main_~__VERIFIER_assert__cond~9))} assume 0 == ~__VERIFIER_assert__cond~9; {11720#false} is VALID [2020-07-10 20:23:32,257 INFO L280 TraceCheckUtils]: 59: Hoare triple {11720#false} assume !false; {11720#false} is VALID [2020-07-10 20:23:32,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 20:23:32,260 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 20:23:32,260 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2117314215] [2020-07-10 20:23:32,260 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 20:23:32,260 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-10 20:23:32,261 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470989852] [2020-07-10 20:23:32,261 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2020-07-10 20:23:32,261 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 20:23:32,261 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-10 20:23:32,332 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 60 edges. 60 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:23:32,332 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-10 20:23:32,333 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-10 20:23:32,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-10 20:23:32,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-10 20:23:32,333 INFO L87 Difference]: Start difference. First operand 138 states and 142 transitions. Second operand 6 states. [2020-07-10 20:23:35,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:23:35,198 INFO L93 Difference]: Finished difference Result 203 states and 211 transitions. [2020-07-10 20:23:35,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-10 20:23:35,198 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2020-07-10 20:23:35,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 20:23:35,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-10 20:23:35,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 209 transitions. [2020-07-10 20:23:35,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-10 20:23:35,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 209 transitions. [2020-07-10 20:23:35,202 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 209 transitions. [2020-07-10 20:23:35,502 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 209 edges. 209 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:23:35,506 INFO L225 Difference]: With dead ends: 203 [2020-07-10 20:23:35,506 INFO L226 Difference]: Without dead ends: 201 [2020-07-10 20:23:35,506 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 [2020-07-10 20:23:35,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2020-07-10 20:23:36,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 136. [2020-07-10 20:23:36,976 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 20:23:36,976 INFO L82 GeneralOperation]: Start isEquivalent. First operand 201 states. Second operand 136 states. [2020-07-10 20:23:36,977 INFO L74 IsIncluded]: Start isIncluded. First operand 201 states. Second operand 136 states. [2020-07-10 20:23:36,977 INFO L87 Difference]: Start difference. First operand 201 states. Second operand 136 states. [2020-07-10 20:23:36,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:23:36,981 INFO L93 Difference]: Finished difference Result 201 states and 209 transitions. [2020-07-10 20:23:36,981 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 209 transitions. [2020-07-10 20:23:36,982 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 20:23:36,982 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 20:23:36,982 INFO L74 IsIncluded]: Start isIncluded. First operand 136 states. Second operand 201 states. [2020-07-10 20:23:36,982 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 201 states. [2020-07-10 20:23:36,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:23:36,986 INFO L93 Difference]: Finished difference Result 201 states and 209 transitions. [2020-07-10 20:23:36,986 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 209 transitions. [2020-07-10 20:23:36,987 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 20:23:36,987 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 20:23:36,987 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 20:23:36,987 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 20:23:36,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-07-10 20:23:36,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 140 transitions. [2020-07-10 20:23:36,989 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 140 transitions. Word has length 60 [2020-07-10 20:23:36,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 20:23:36,989 INFO L479 AbstractCegarLoop]: Abstraction has 136 states and 140 transitions. [2020-07-10 20:23:36,989 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-10 20:23:36,989 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 136 states and 140 transitions. [2020-07-10 20:23:37,534 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 140 edges. 140 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:23:37,534 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 140 transitions. [2020-07-10 20:23:37,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-07-10 20:23:37,535 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 20:23:37,536 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] [2020-07-10 20:23:37,536 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-10 20:23:37,536 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]=== [2020-07-10 20:23:37,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 20:23:37,537 INFO L82 PathProgramCache]: Analyzing trace with hash 1555133305, now seen corresponding path program 1 times [2020-07-10 20:23:37,537 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 20:23:37,537 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1875290834] [2020-07-10 20:23:37,537 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 20:23:37,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 20:23:37,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 20:23:37,688 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 [2020-07-10 20:23:37,689 INFO L280 TraceCheckUtils]: 1: Hoare triple {12821#true} ~__return_334~0 := 0; {12821#true} is VALID [2020-07-10 20:23:37,689 INFO L280 TraceCheckUtils]: 2: Hoare triple {12821#true} assume true; {12821#true} is VALID [2020-07-10 20:23:37,689 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {12821#true} {12821#true} #261#return; {12821#true} is VALID [2020-07-10 20:23:37,690 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 [2020-07-10 20:23:37,690 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 [2020-07-10 20:23:37,691 INFO L280 TraceCheckUtils]: 2: Hoare triple {12821#true} ~__return_334~0 := 0; {12821#true} is VALID [2020-07-10 20:23:37,691 INFO L280 TraceCheckUtils]: 3: Hoare triple {12821#true} assume true; {12821#true} is VALID [2020-07-10 20:23:37,691 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {12821#true} {12821#true} #261#return; {12821#true} is VALID [2020-07-10 20:23:37,691 INFO L263 TraceCheckUtils]: 5: Hoare triple {12821#true} call #t~ret3 := main(); {12821#true} is VALID [2020-07-10 20:23:37,691 INFO L280 TraceCheckUtils]: 6: Hoare triple {12821#true} havoc ~main__len~0; {12821#true} is VALID [2020-07-10 20:23:37,692 INFO L280 TraceCheckUtils]: 7: Hoare triple {12821#true} havoc ~main__i~0; {12821#true} is VALID [2020-07-10 20:23:37,692 INFO L280 TraceCheckUtils]: 8: Hoare triple {12821#true} havoc ~main__j~0; {12821#true} is VALID [2020-07-10 20:23:37,692 INFO L280 TraceCheckUtils]: 9: Hoare triple {12821#true} havoc ~main__bufsize~0; {12821#true} is VALID [2020-07-10 20:23:37,692 INFO L280 TraceCheckUtils]: 10: Hoare triple {12821#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {12821#true} is VALID [2020-07-10 20:23:37,692 INFO L280 TraceCheckUtils]: 11: Hoare triple {12821#true} ~main__bufsize~0 := #t~nondet0; {12821#true} is VALID [2020-07-10 20:23:37,693 INFO L280 TraceCheckUtils]: 12: Hoare triple {12821#true} havoc #t~nondet0; {12821#true} is VALID [2020-07-10 20:23:37,693 INFO L280 TraceCheckUtils]: 13: Hoare triple {12821#true} assume !(~main__bufsize~0 < 0); {12821#true} is VALID [2020-07-10 20:23:37,693 INFO L280 TraceCheckUtils]: 14: Hoare triple {12821#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {12821#true} is VALID [2020-07-10 20:23:37,693 INFO L280 TraceCheckUtils]: 15: Hoare triple {12821#true} ~main__len~0 := #t~nondet1; {12821#true} is VALID [2020-07-10 20:23:37,693 INFO L280 TraceCheckUtils]: 16: Hoare triple {12821#true} havoc #t~nondet1; {12821#true} is VALID [2020-07-10 20:23:37,694 INFO L280 TraceCheckUtils]: 17: Hoare triple {12821#true} ~main__limit~0 := ~main__bufsize~0 - 4; {12821#true} is VALID [2020-07-10 20:23:37,694 INFO L280 TraceCheckUtils]: 18: Hoare triple {12821#true} ~main__i~0 := 0; {12821#true} is VALID [2020-07-10 20:23:37,694 INFO L280 TraceCheckUtils]: 19: Hoare triple {12821#true} assume ~main__i~0 < ~main__len~0; {12821#true} is VALID [2020-07-10 20:23:37,694 INFO L280 TraceCheckUtils]: 20: Hoare triple {12821#true} ~main__j~0 := 0; {12821#true} is VALID [2020-07-10 20:23:37,694 INFO L280 TraceCheckUtils]: 21: Hoare triple {12821#true} assume ~main__i~0 < ~main__len~0; {12821#true} is VALID [2020-07-10 20:23:37,695 INFO L280 TraceCheckUtils]: 22: Hoare triple {12821#true} assume ~main__j~0 < ~main__limit~0; {12821#true} is VALID [2020-07-10 20:23:37,695 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 [2020-07-10 20:23:37,696 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 [2020-07-10 20:23:37,697 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 [2020-07-10 20:23:37,697 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 [2020-07-10 20:23:37,698 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 [2020-07-10 20:23:37,698 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 [2020-07-10 20:23:37,699 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 [2020-07-10 20:23:37,700 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 [2020-07-10 20:23:37,700 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 [2020-07-10 20:23:37,701 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 [2020-07-10 20:23:37,701 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 [2020-07-10 20:23:37,702 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 [2020-07-10 20:23:37,702 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 [2020-07-10 20:23:37,703 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 [2020-07-10 20:23:37,703 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 [2020-07-10 20:23:37,704 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 [2020-07-10 20:23:37,704 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 [2020-07-10 20:23:37,705 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 [2020-07-10 20:23:37,706 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 [2020-07-10 20:23:37,706 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 [2020-07-10 20:23:37,723 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 [2020-07-10 20:23:37,724 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 [2020-07-10 20:23:37,725 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 [2020-07-10 20:23:37,725 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 [2020-07-10 20:23:37,726 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 [2020-07-10 20:23:37,726 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 [2020-07-10 20:23:37,727 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 [2020-07-10 20:23:37,727 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 [2020-07-10 20:23:37,728 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 [2020-07-10 20:23:37,728 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 [2020-07-10 20:23:37,729 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 [2020-07-10 20:23:37,730 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 [2020-07-10 20:23:37,730 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 [2020-07-10 20:23:37,731 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 [2020-07-10 20:23:37,731 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 [2020-07-10 20:23:37,732 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 [2020-07-10 20:23:37,732 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 [2020-07-10 20:23:37,733 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 [2020-07-10 20:23:37,734 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 [2020-07-10 20:23:37,734 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 [2020-07-10 20:23:37,735 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 [2020-07-10 20:23:37,736 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 [2020-07-10 20:23:37,737 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 [2020-07-10 20:23:37,737 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 [2020-07-10 20:23:37,738 INFO L280 TraceCheckUtils]: 67: Hoare triple {12830#(not (= main_~__VERIFIER_assert__cond~10 0))} assume 0 == ~__VERIFIER_assert__cond~10; {12822#false} is VALID [2020-07-10 20:23:37,738 INFO L280 TraceCheckUtils]: 68: Hoare triple {12822#false} assume !false; {12822#false} is VALID [2020-07-10 20:23:37,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 20:23:37,743 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 20:23:37,743 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1875290834] [2020-07-10 20:23:37,743 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 20:23:37,743 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-10 20:23:37,744 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408255752] [2020-07-10 20:23:37,744 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 69 [2020-07-10 20:23:37,744 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 20:23:37,744 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-10 20:23:37,820 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 69 edges. 69 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:23:37,821 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-10 20:23:37,821 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-10 20:23:37,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-10 20:23:37,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-10 20:23:37,822 INFO L87 Difference]: Start difference. First operand 136 states and 140 transitions. Second operand 7 states. [2020-07-10 20:23:42,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:23:42,281 INFO L93 Difference]: Finished difference Result 375 states and 390 transitions. [2020-07-10 20:23:42,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-10 20:23:42,281 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 69 [2020-07-10 20:23:42,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 20:23:42,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-10 20:23:42,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 387 transitions. [2020-07-10 20:23:42,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-10 20:23:42,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 387 transitions. [2020-07-10 20:23:42,287 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 387 transitions. [2020-07-10 20:23:42,809 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 387 edges. 387 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:23:42,814 INFO L225 Difference]: With dead ends: 375 [2020-07-10 20:23:42,814 INFO L226 Difference]: Without dead ends: 258 [2020-07-10 20:23:42,815 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 [2020-07-10 20:23:42,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2020-07-10 20:23:44,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 158. [2020-07-10 20:23:44,543 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 20:23:44,543 INFO L82 GeneralOperation]: Start isEquivalent. First operand 258 states. Second operand 158 states. [2020-07-10 20:23:44,544 INFO L74 IsIncluded]: Start isIncluded. First operand 258 states. Second operand 158 states. [2020-07-10 20:23:44,544 INFO L87 Difference]: Start difference. First operand 258 states. Second operand 158 states. [2020-07-10 20:23:44,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:23:44,550 INFO L93 Difference]: Finished difference Result 258 states and 266 transitions. [2020-07-10 20:23:44,550 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 266 transitions. [2020-07-10 20:23:44,550 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 20:23:44,551 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 20:23:44,551 INFO L74 IsIncluded]: Start isIncluded. First operand 158 states. Second operand 258 states. [2020-07-10 20:23:44,551 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 258 states. [2020-07-10 20:23:44,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:23:44,556 INFO L93 Difference]: Finished difference Result 258 states and 266 transitions. [2020-07-10 20:23:44,557 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 266 transitions. [2020-07-10 20:23:44,557 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 20:23:44,557 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 20:23:44,558 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 20:23:44,558 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 20:23:44,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-07-10 20:23:44,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 162 transitions. [2020-07-10 20:23:44,560 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 162 transitions. Word has length 69 [2020-07-10 20:23:44,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 20:23:44,561 INFO L479 AbstractCegarLoop]: Abstraction has 158 states and 162 transitions. [2020-07-10 20:23:44,561 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-10 20:23:44,561 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 158 states and 162 transitions. [2020-07-10 20:23:45,245 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 162 edges. 162 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:23:45,246 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 162 transitions. [2020-07-10 20:23:45,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-07-10 20:23:45,247 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 20:23:45,247 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] [2020-07-10 20:23:45,247 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-10 20:23:45,248 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]=== [2020-07-10 20:23:45,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 20:23:45,248 INFO L82 PathProgramCache]: Analyzing trace with hash -623432219, now seen corresponding path program 1 times [2020-07-10 20:23:45,249 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 20:23:45,249 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [176248731] [2020-07-10 20:23:45,249 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 20:23:45,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 20:23:45,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 20:23:45,353 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 [2020-07-10 20:23:45,354 INFO L280 TraceCheckUtils]: 1: Hoare triple {14432#true} ~__return_334~0 := 0; {14432#true} is VALID [2020-07-10 20:23:45,354 INFO L280 TraceCheckUtils]: 2: Hoare triple {14432#true} assume true; {14432#true} is VALID [2020-07-10 20:23:45,354 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {14432#true} {14432#true} #261#return; {14432#true} is VALID [2020-07-10 20:23:45,355 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 [2020-07-10 20:23:45,356 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 [2020-07-10 20:23:45,356 INFO L280 TraceCheckUtils]: 2: Hoare triple {14432#true} ~__return_334~0 := 0; {14432#true} is VALID [2020-07-10 20:23:45,356 INFO L280 TraceCheckUtils]: 3: Hoare triple {14432#true} assume true; {14432#true} is VALID [2020-07-10 20:23:45,356 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {14432#true} {14432#true} #261#return; {14432#true} is VALID [2020-07-10 20:23:45,357 INFO L263 TraceCheckUtils]: 5: Hoare triple {14432#true} call #t~ret3 := main(); {14432#true} is VALID [2020-07-10 20:23:45,357 INFO L280 TraceCheckUtils]: 6: Hoare triple {14432#true} havoc ~main__len~0; {14432#true} is VALID [2020-07-10 20:23:45,357 INFO L280 TraceCheckUtils]: 7: Hoare triple {14432#true} havoc ~main__i~0; {14432#true} is VALID [2020-07-10 20:23:45,358 INFO L280 TraceCheckUtils]: 8: Hoare triple {14432#true} havoc ~main__j~0; {14432#true} is VALID [2020-07-10 20:23:45,358 INFO L280 TraceCheckUtils]: 9: Hoare triple {14432#true} havoc ~main__bufsize~0; {14432#true} is VALID [2020-07-10 20:23:45,358 INFO L280 TraceCheckUtils]: 10: Hoare triple {14432#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {14432#true} is VALID [2020-07-10 20:23:45,358 INFO L280 TraceCheckUtils]: 11: Hoare triple {14432#true} ~main__bufsize~0 := #t~nondet0; {14432#true} is VALID [2020-07-10 20:23:45,359 INFO L280 TraceCheckUtils]: 12: Hoare triple {14432#true} havoc #t~nondet0; {14432#true} is VALID [2020-07-10 20:23:45,359 INFO L280 TraceCheckUtils]: 13: Hoare triple {14432#true} assume !(~main__bufsize~0 < 0); {14432#true} is VALID [2020-07-10 20:23:45,359 INFO L280 TraceCheckUtils]: 14: Hoare triple {14432#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {14432#true} is VALID [2020-07-10 20:23:45,360 INFO L280 TraceCheckUtils]: 15: Hoare triple {14432#true} ~main__len~0 := #t~nondet1; {14432#true} is VALID [2020-07-10 20:23:45,360 INFO L280 TraceCheckUtils]: 16: Hoare triple {14432#true} havoc #t~nondet1; {14432#true} is VALID [2020-07-10 20:23:45,360 INFO L280 TraceCheckUtils]: 17: Hoare triple {14432#true} ~main__limit~0 := ~main__bufsize~0 - 4; {14432#true} is VALID [2020-07-10 20:23:45,361 INFO L280 TraceCheckUtils]: 18: Hoare triple {14432#true} ~main__i~0 := 0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-10 20:23:45,362 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 [2020-07-10 20:23:45,362 INFO L280 TraceCheckUtils]: 20: Hoare triple {14438#(<= 0 main_~main__i~0)} ~main__j~0 := 0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-10 20:23:45,363 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 [2020-07-10 20:23:45,363 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 [2020-07-10 20:23:45,364 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 [2020-07-10 20:23:45,365 INFO L280 TraceCheckUtils]: 24: Hoare triple {14438#(<= 0 main_~main__i~0)} havoc ~__tmp_1~0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-10 20:23:45,365 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 [2020-07-10 20:23:45,366 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 [2020-07-10 20:23:45,367 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 [2020-07-10 20:23:45,368 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 [2020-07-10 20:23:45,368 INFO L280 TraceCheckUtils]: 29: Hoare triple {14438#(<= 0 main_~main__i~0)} havoc ~__tmp_2~0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-10 20:23:45,369 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 [2020-07-10 20:23:45,370 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 [2020-07-10 20:23:45,371 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 [2020-07-10 20:23:45,372 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 [2020-07-10 20:23:45,372 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 [2020-07-10 20:23:45,373 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 [2020-07-10 20:23:45,374 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 [2020-07-10 20:23:45,375 INFO L280 TraceCheckUtils]: 37: Hoare triple {14438#(<= 0 main_~main__i~0)} havoc #t~nondet2; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-10 20:23:45,375 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 [2020-07-10 20:23:45,376 INFO L280 TraceCheckUtils]: 39: Hoare triple {14438#(<= 0 main_~main__i~0)} havoc ~__tmp_7~0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-10 20:23:45,377 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 [2020-07-10 20:23:45,378 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 [2020-07-10 20:23:45,378 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 [2020-07-10 20:23:45,379 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 [2020-07-10 20:23:45,380 INFO L280 TraceCheckUtils]: 44: Hoare triple {14438#(<= 0 main_~main__i~0)} havoc ~__tmp_8~0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-10 20:23:45,381 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 [2020-07-10 20:23:45,381 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 [2020-07-10 20:23:45,382 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 [2020-07-10 20:23:45,382 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 [2020-07-10 20:23:45,383 INFO L280 TraceCheckUtils]: 49: Hoare triple {14438#(<= 0 main_~main__i~0)} havoc ~__tmp_9~0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-10 20:23:45,384 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 [2020-07-10 20:23:45,384 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 [2020-07-10 20:23:45,385 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 [2020-07-10 20:23:45,385 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 [2020-07-10 20:23:45,386 INFO L280 TraceCheckUtils]: 54: Hoare triple {14438#(<= 0 main_~main__i~0)} havoc ~__tmp_10~0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-10 20:23:45,387 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 [2020-07-10 20:23:45,387 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 [2020-07-10 20:23:45,388 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 [2020-07-10 20:23:45,388 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 [2020-07-10 20:23:45,389 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 [2020-07-10 20:23:45,390 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 [2020-07-10 20:23:45,391 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 [2020-07-10 20:23:45,392 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 [2020-07-10 20:23:45,393 INFO L280 TraceCheckUtils]: 63: Hoare triple {14439#(<= 1 main_~main__i~0)} havoc ~__tmp_11~0; {14439#(<= 1 main_~main__i~0)} is VALID [2020-07-10 20:23:45,394 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 [2020-07-10 20:23:45,394 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 [2020-07-10 20:23:45,395 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 [2020-07-10 20:23:45,396 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 [2020-07-10 20:23:45,397 INFO L280 TraceCheckUtils]: 68: Hoare triple {14439#(<= 1 main_~main__i~0)} havoc ~__tmp_12~0; {14439#(<= 1 main_~main__i~0)} is VALID [2020-07-10 20:23:45,398 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 [2020-07-10 20:23:45,399 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 [2020-07-10 20:23:45,399 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 [2020-07-10 20:23:45,400 INFO L280 TraceCheckUtils]: 72: Hoare triple {14441#(not (= main_~__VERIFIER_assert__cond~11 0))} assume 0 == ~__VERIFIER_assert__cond~11; {14433#false} is VALID [2020-07-10 20:23:45,401 INFO L280 TraceCheckUtils]: 73: Hoare triple {14433#false} assume !false; {14433#false} is VALID [2020-07-10 20:23:45,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 20:23:45,409 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 20:23:45,410 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [176248731] [2020-07-10 20:23:45,410 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 20:23:45,410 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-10 20:23:45,411 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610490552] [2020-07-10 20:23:45,411 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 74 [2020-07-10 20:23:45,412 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 20:23:45,412 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-10 20:23:45,491 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 74 edges. 74 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:23:45,491 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-10 20:23:45,492 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-10 20:23:45,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-10 20:23:45,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-10 20:23:45,493 INFO L87 Difference]: Start difference. First operand 158 states and 162 transitions. Second operand 7 states. [2020-07-10 20:23:51,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:23:51,096 INFO L93 Difference]: Finished difference Result 351 states and 362 transitions. [2020-07-10 20:23:51,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-10 20:23:51,096 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 74 [2020-07-10 20:23:51,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 20:23:51,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-10 20:23:51,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 288 transitions. [2020-07-10 20:23:51,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-10 20:23:51,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 288 transitions. [2020-07-10 20:23:51,099 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 288 transitions. [2020-07-10 20:23:51,476 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 288 edges. 288 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:23:51,485 INFO L225 Difference]: With dead ends: 351 [2020-07-10 20:23:51,485 INFO L226 Difference]: Without dead ends: 349 [2020-07-10 20:23:51,485 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 [2020-07-10 20:23:51,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2020-07-10 20:23:53,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 156. [2020-07-10 20:23:53,347 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 20:23:53,347 INFO L82 GeneralOperation]: Start isEquivalent. First operand 349 states. Second operand 156 states. [2020-07-10 20:23:53,347 INFO L74 IsIncluded]: Start isIncluded. First operand 349 states. Second operand 156 states. [2020-07-10 20:23:53,348 INFO L87 Difference]: Start difference. First operand 349 states. Second operand 156 states. [2020-07-10 20:23:53,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:23:53,356 INFO L93 Difference]: Finished difference Result 349 states and 360 transitions. [2020-07-10 20:23:53,357 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 360 transitions. [2020-07-10 20:23:53,357 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 20:23:53,357 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 20:23:53,357 INFO L74 IsIncluded]: Start isIncluded. First operand 156 states. Second operand 349 states. [2020-07-10 20:23:53,357 INFO L87 Difference]: Start difference. First operand 156 states. Second operand 349 states. [2020-07-10 20:23:53,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:23:53,364 INFO L93 Difference]: Finished difference Result 349 states and 360 transitions. [2020-07-10 20:23:53,364 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 360 transitions. [2020-07-10 20:23:53,364 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 20:23:53,364 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 20:23:53,365 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 20:23:53,365 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 20:23:53,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2020-07-10 20:23:53,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 160 transitions. [2020-07-10 20:23:53,367 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 160 transitions. Word has length 74 [2020-07-10 20:23:53,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 20:23:53,368 INFO L479 AbstractCegarLoop]: Abstraction has 156 states and 160 transitions. [2020-07-10 20:23:53,368 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-10 20:23:53,368 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 156 states and 160 transitions. [2020-07-10 20:23:54,053 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 160 edges. 160 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:23:54,054 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 160 transitions. [2020-07-10 20:23:54,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-07-10 20:23:54,055 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 20:23:54,055 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] [2020-07-10 20:23:54,056 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-07-10 20:23:54,056 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]=== [2020-07-10 20:23:54,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 20:23:54,056 INFO L82 PathProgramCache]: Analyzing trace with hash -1977531324, now seen corresponding path program 1 times [2020-07-10 20:23:54,057 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 20:23:54,057 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [139290484] [2020-07-10 20:23:54,057 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 20:23:54,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 20:23:54,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 20:23:54,179 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 [2020-07-10 20:23:54,180 INFO L280 TraceCheckUtils]: 1: Hoare triple {16167#true} ~__return_334~0 := 0; {16167#true} is VALID [2020-07-10 20:23:54,180 INFO L280 TraceCheckUtils]: 2: Hoare triple {16167#true} assume true; {16167#true} is VALID [2020-07-10 20:23:54,180 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {16167#true} {16167#true} #261#return; {16167#true} is VALID [2020-07-10 20:23:54,181 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 [2020-07-10 20:23:54,182 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 [2020-07-10 20:23:54,182 INFO L280 TraceCheckUtils]: 2: Hoare triple {16167#true} ~__return_334~0 := 0; {16167#true} is VALID [2020-07-10 20:23:54,182 INFO L280 TraceCheckUtils]: 3: Hoare triple {16167#true} assume true; {16167#true} is VALID [2020-07-10 20:23:54,182 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {16167#true} {16167#true} #261#return; {16167#true} is VALID [2020-07-10 20:23:54,182 INFO L263 TraceCheckUtils]: 5: Hoare triple {16167#true} call #t~ret3 := main(); {16167#true} is VALID [2020-07-10 20:23:54,183 INFO L280 TraceCheckUtils]: 6: Hoare triple {16167#true} havoc ~main__len~0; {16167#true} is VALID [2020-07-10 20:23:54,183 INFO L280 TraceCheckUtils]: 7: Hoare triple {16167#true} havoc ~main__i~0; {16167#true} is VALID [2020-07-10 20:23:54,183 INFO L280 TraceCheckUtils]: 8: Hoare triple {16167#true} havoc ~main__j~0; {16167#true} is VALID [2020-07-10 20:23:54,183 INFO L280 TraceCheckUtils]: 9: Hoare triple {16167#true} havoc ~main__bufsize~0; {16167#true} is VALID [2020-07-10 20:23:54,183 INFO L280 TraceCheckUtils]: 10: Hoare triple {16167#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {16167#true} is VALID [2020-07-10 20:23:54,184 INFO L280 TraceCheckUtils]: 11: Hoare triple {16167#true} ~main__bufsize~0 := #t~nondet0; {16167#true} is VALID [2020-07-10 20:23:54,184 INFO L280 TraceCheckUtils]: 12: Hoare triple {16167#true} havoc #t~nondet0; {16167#true} is VALID [2020-07-10 20:23:54,184 INFO L280 TraceCheckUtils]: 13: Hoare triple {16167#true} assume !(~main__bufsize~0 < 0); {16167#true} is VALID [2020-07-10 20:23:54,184 INFO L280 TraceCheckUtils]: 14: Hoare triple {16167#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {16167#true} is VALID [2020-07-10 20:23:54,184 INFO L280 TraceCheckUtils]: 15: Hoare triple {16167#true} ~main__len~0 := #t~nondet1; {16167#true} is VALID [2020-07-10 20:23:54,185 INFO L280 TraceCheckUtils]: 16: Hoare triple {16167#true} havoc #t~nondet1; {16167#true} is VALID [2020-07-10 20:23:54,185 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 [2020-07-10 20:23:54,186 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 [2020-07-10 20:23:54,186 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 [2020-07-10 20:23:54,187 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 [2020-07-10 20:23:54,187 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 [2020-07-10 20:23:54,188 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 [2020-07-10 20:23:54,189 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 [2020-07-10 20:23:54,189 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 [2020-07-10 20:23:54,190 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 [2020-07-10 20:23:54,190 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 [2020-07-10 20:23:54,191 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 [2020-07-10 20:23:54,191 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 [2020-07-10 20:23:54,192 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 [2020-07-10 20:23:54,192 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 [2020-07-10 20:23:54,193 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 [2020-07-10 20:23:54,193 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 [2020-07-10 20:23:54,194 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 [2020-07-10 20:23:54,195 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 [2020-07-10 20:23:54,195 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 [2020-07-10 20:23:54,196 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 [2020-07-10 20:23:54,196 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 [2020-07-10 20:23:54,197 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 [2020-07-10 20:23:54,197 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 [2020-07-10 20:23:54,197 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 [2020-07-10 20:23:54,198 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 [2020-07-10 20:23:54,199 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 [2020-07-10 20:23:54,199 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 [2020-07-10 20:23:54,200 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 [2020-07-10 20:23:54,200 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 [2020-07-10 20:23:54,201 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 [2020-07-10 20:23:54,201 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 [2020-07-10 20:23:54,202 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 [2020-07-10 20:23:54,202 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 [2020-07-10 20:23:54,203 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 [2020-07-10 20:23:54,203 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 [2020-07-10 20:23:54,204 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 [2020-07-10 20:23:54,204 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 [2020-07-10 20:23:54,205 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 [2020-07-10 20:23:54,205 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 [2020-07-10 20:23:54,206 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 [2020-07-10 20:23:54,206 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 [2020-07-10 20:23:54,207 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 [2020-07-10 20:23:54,207 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 [2020-07-10 20:23:54,208 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 [2020-07-10 20:23:54,209 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 [2020-07-10 20:23:54,209 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 [2020-07-10 20:23:54,210 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 [2020-07-10 20:23:54,210 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 [2020-07-10 20:23:54,211 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 [2020-07-10 20:23:54,218 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 [2020-07-10 20:23:54,218 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 [2020-07-10 20:23:54,219 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 [2020-07-10 20:23:54,219 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 [2020-07-10 20:23:54,220 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 [2020-07-10 20:23:54,220 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 [2020-07-10 20:23:54,221 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 [2020-07-10 20:23:54,230 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 [2020-07-10 20:23:54,232 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 [2020-07-10 20:23:54,232 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 [2020-07-10 20:23:54,233 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 [2020-07-10 20:23:54,234 INFO L280 TraceCheckUtils]: 77: Hoare triple {16177#(not (= main_~__VERIFIER_assert__cond~12 0))} assume 0 == ~__VERIFIER_assert__cond~12; {16168#false} is VALID [2020-07-10 20:23:54,234 INFO L280 TraceCheckUtils]: 78: Hoare triple {16168#false} assume !false; {16168#false} is VALID [2020-07-10 20:23:54,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 20:23:54,242 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 20:23:54,243 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [139290484] [2020-07-10 20:23:54,243 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 20:23:54,244 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-10 20:23:54,244 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444829316] [2020-07-10 20:23:54,244 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 79 [2020-07-10 20:23:54,244 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 20:23:54,245 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-10 20:23:54,320 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 79 edges. 79 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:23:54,320 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-10 20:23:54,320 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-10 20:23:54,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-10 20:23:54,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-10 20:23:54,321 INFO L87 Difference]: Start difference. First operand 156 states and 160 transitions. Second operand 8 states. [2020-07-10 20:23:59,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:23:59,191 INFO L93 Difference]: Finished difference Result 271 states and 282 transitions. [2020-07-10 20:23:59,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-10 20:23:59,191 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 79 [2020-07-10 20:23:59,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 20:23:59,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-10 20:23:59,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 231 transitions. [2020-07-10 20:23:59,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-10 20:23:59,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 231 transitions. [2020-07-10 20:23:59,195 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 231 transitions. [2020-07-10 20:23:59,566 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 231 edges. 231 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:23:59,572 INFO L225 Difference]: With dead ends: 271 [2020-07-10 20:23:59,572 INFO L226 Difference]: Without dead ends: 269 [2020-07-10 20:23:59,572 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 [2020-07-10 20:23:59,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2020-07-10 20:24:01,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 154. [2020-07-10 20:24:01,621 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 20:24:01,621 INFO L82 GeneralOperation]: Start isEquivalent. First operand 269 states. Second operand 154 states. [2020-07-10 20:24:01,621 INFO L74 IsIncluded]: Start isIncluded. First operand 269 states. Second operand 154 states. [2020-07-10 20:24:01,621 INFO L87 Difference]: Start difference. First operand 269 states. Second operand 154 states. [2020-07-10 20:24:01,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:24:01,627 INFO L93 Difference]: Finished difference Result 269 states and 280 transitions. [2020-07-10 20:24:01,627 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 280 transitions. [2020-07-10 20:24:01,628 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 20:24:01,628 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 20:24:01,628 INFO L74 IsIncluded]: Start isIncluded. First operand 154 states. Second operand 269 states. [2020-07-10 20:24:01,628 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 269 states. [2020-07-10 20:24:01,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:24:01,633 INFO L93 Difference]: Finished difference Result 269 states and 280 transitions. [2020-07-10 20:24:01,633 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 280 transitions. [2020-07-10 20:24:01,634 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 20:24:01,634 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 20:24:01,634 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 20:24:01,634 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 20:24:01,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-07-10 20:24:01,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 158 transitions. [2020-07-10 20:24:01,637 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 158 transitions. Word has length 79 [2020-07-10 20:24:01,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 20:24:01,637 INFO L479 AbstractCegarLoop]: Abstraction has 154 states and 158 transitions. [2020-07-10 20:24:01,637 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-10 20:24:01,637 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 154 states and 158 transitions. [2020-07-10 20:24:02,465 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 158 edges. 158 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:24:02,465 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 158 transitions. [2020-07-10 20:24:02,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-07-10 20:24:02,466 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 20:24:02,467 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] [2020-07-10 20:24:02,467 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-07-10 20:24:02,467 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]=== [2020-07-10 20:24:02,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 20:24:02,468 INFO L82 PathProgramCache]: Analyzing trace with hash 108101264, now seen corresponding path program 1 times [2020-07-10 20:24:02,468 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 20:24:02,468 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1444527327] [2020-07-10 20:24:02,468 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 20:24:02,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 20:24:02,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 20:24:02,557 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 [2020-07-10 20:24:02,557 INFO L280 TraceCheckUtils]: 1: Hoare triple {17585#true} ~__return_334~0 := 0; {17585#true} is VALID [2020-07-10 20:24:02,557 INFO L280 TraceCheckUtils]: 2: Hoare triple {17585#true} assume true; {17585#true} is VALID [2020-07-10 20:24:02,557 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {17585#true} {17585#true} #261#return; {17585#true} is VALID [2020-07-10 20:24:02,558 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 [2020-07-10 20:24:02,558 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 [2020-07-10 20:24:02,559 INFO L280 TraceCheckUtils]: 2: Hoare triple {17585#true} ~__return_334~0 := 0; {17585#true} is VALID [2020-07-10 20:24:02,559 INFO L280 TraceCheckUtils]: 3: Hoare triple {17585#true} assume true; {17585#true} is VALID [2020-07-10 20:24:02,559 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {17585#true} {17585#true} #261#return; {17585#true} is VALID [2020-07-10 20:24:02,559 INFO L263 TraceCheckUtils]: 5: Hoare triple {17585#true} call #t~ret3 := main(); {17585#true} is VALID [2020-07-10 20:24:02,559 INFO L280 TraceCheckUtils]: 6: Hoare triple {17585#true} havoc ~main__len~0; {17585#true} is VALID [2020-07-10 20:24:02,560 INFO L280 TraceCheckUtils]: 7: Hoare triple {17585#true} havoc ~main__i~0; {17585#true} is VALID [2020-07-10 20:24:02,560 INFO L280 TraceCheckUtils]: 8: Hoare triple {17585#true} havoc ~main__j~0; {17585#true} is VALID [2020-07-10 20:24:02,560 INFO L280 TraceCheckUtils]: 9: Hoare triple {17585#true} havoc ~main__bufsize~0; {17585#true} is VALID [2020-07-10 20:24:02,560 INFO L280 TraceCheckUtils]: 10: Hoare triple {17585#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {17585#true} is VALID [2020-07-10 20:24:02,560 INFO L280 TraceCheckUtils]: 11: Hoare triple {17585#true} ~main__bufsize~0 := #t~nondet0; {17585#true} is VALID [2020-07-10 20:24:02,561 INFO L280 TraceCheckUtils]: 12: Hoare triple {17585#true} havoc #t~nondet0; {17585#true} is VALID [2020-07-10 20:24:02,561 INFO L280 TraceCheckUtils]: 13: Hoare triple {17585#true} assume !(~main__bufsize~0 < 0); {17585#true} is VALID [2020-07-10 20:24:02,561 INFO L280 TraceCheckUtils]: 14: Hoare triple {17585#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {17585#true} is VALID [2020-07-10 20:24:02,561 INFO L280 TraceCheckUtils]: 15: Hoare triple {17585#true} ~main__len~0 := #t~nondet1; {17585#true} is VALID [2020-07-10 20:24:02,561 INFO L280 TraceCheckUtils]: 16: Hoare triple {17585#true} havoc #t~nondet1; {17585#true} is VALID [2020-07-10 20:24:02,562 INFO L280 TraceCheckUtils]: 17: Hoare triple {17585#true} ~main__limit~0 := ~main__bufsize~0 - 4; {17585#true} is VALID [2020-07-10 20:24:02,562 INFO L280 TraceCheckUtils]: 18: Hoare triple {17585#true} ~main__i~0 := 0; {17585#true} is VALID [2020-07-10 20:24:02,562 INFO L280 TraceCheckUtils]: 19: Hoare triple {17585#true} assume ~main__i~0 < ~main__len~0; {17585#true} is VALID [2020-07-10 20:24:02,563 INFO L280 TraceCheckUtils]: 20: Hoare triple {17585#true} ~main__j~0 := 0; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-10 20:24:02,563 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 [2020-07-10 20:24:02,564 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 [2020-07-10 20:24:02,564 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 [2020-07-10 20:24:02,565 INFO L280 TraceCheckUtils]: 24: Hoare triple {17591#(<= 0 main_~main__j~0)} havoc ~__tmp_1~0; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-10 20:24:02,566 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 [2020-07-10 20:24:02,566 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 [2020-07-10 20:24:02,567 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 [2020-07-10 20:24:02,567 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 [2020-07-10 20:24:02,568 INFO L280 TraceCheckUtils]: 29: Hoare triple {17591#(<= 0 main_~main__j~0)} havoc ~__tmp_2~0; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-10 20:24:02,568 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 [2020-07-10 20:24:02,569 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 [2020-07-10 20:24:02,570 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 [2020-07-10 20:24:02,570 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 [2020-07-10 20:24:02,571 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 [2020-07-10 20:24:02,572 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 [2020-07-10 20:24:02,572 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 [2020-07-10 20:24:02,579 INFO L280 TraceCheckUtils]: 37: Hoare triple {17591#(<= 0 main_~main__j~0)} havoc #t~nondet2; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-10 20:24:02,580 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 [2020-07-10 20:24:02,581 INFO L280 TraceCheckUtils]: 39: Hoare triple {17591#(<= 0 main_~main__j~0)} havoc ~__tmp_7~0; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-10 20:24:02,582 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 [2020-07-10 20:24:02,582 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 [2020-07-10 20:24:02,583 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 [2020-07-10 20:24:02,584 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 [2020-07-10 20:24:02,584 INFO L280 TraceCheckUtils]: 44: Hoare triple {17591#(<= 0 main_~main__j~0)} havoc ~__tmp_8~0; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-10 20:24:02,585 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 [2020-07-10 20:24:02,585 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 [2020-07-10 20:24:02,586 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 [2020-07-10 20:24:02,587 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 [2020-07-10 20:24:02,587 INFO L280 TraceCheckUtils]: 49: Hoare triple {17591#(<= 0 main_~main__j~0)} havoc ~__tmp_9~0; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-10 20:24:02,588 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 [2020-07-10 20:24:02,588 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 [2020-07-10 20:24:02,589 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 [2020-07-10 20:24:02,589 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 [2020-07-10 20:24:02,590 INFO L280 TraceCheckUtils]: 54: Hoare triple {17591#(<= 0 main_~main__j~0)} havoc ~__tmp_10~0; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-10 20:24:02,590 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 [2020-07-10 20:24:02,591 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 [2020-07-10 20:24:02,591 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 [2020-07-10 20:24:02,592 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 [2020-07-10 20:24:02,592 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 [2020-07-10 20:24:02,593 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 [2020-07-10 20:24:02,594 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 [2020-07-10 20:24:02,594 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 [2020-07-10 20:24:02,595 INFO L280 TraceCheckUtils]: 63: Hoare triple {17592#(<= 1 main_~main__j~0)} havoc ~__tmp_11~0; {17592#(<= 1 main_~main__j~0)} is VALID [2020-07-10 20:24:02,595 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 [2020-07-10 20:24:02,596 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 [2020-07-10 20:24:02,596 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 [2020-07-10 20:24:02,597 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 [2020-07-10 20:24:02,598 INFO L280 TraceCheckUtils]: 68: Hoare triple {17592#(<= 1 main_~main__j~0)} havoc ~__tmp_12~0; {17592#(<= 1 main_~main__j~0)} is VALID [2020-07-10 20:24:02,598 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 [2020-07-10 20:24:02,599 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 [2020-07-10 20:24:02,599 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 [2020-07-10 20:24:02,600 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 [2020-07-10 20:24:02,600 INFO L280 TraceCheckUtils]: 73: Hoare triple {17592#(<= 1 main_~main__j~0)} havoc ~__tmp_13~0; {17592#(<= 1 main_~main__j~0)} is VALID [2020-07-10 20:24:02,601 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 [2020-07-10 20:24:02,601 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 [2020-07-10 20:24:02,602 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 [2020-07-10 20:24:02,603 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 [2020-07-10 20:24:02,603 INFO L280 TraceCheckUtils]: 78: Hoare triple {17592#(<= 1 main_~main__j~0)} havoc ~__tmp_14~0; {17592#(<= 1 main_~main__j~0)} is VALID [2020-07-10 20:24:02,604 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 [2020-07-10 20:24:02,605 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 [2020-07-10 20:24:02,605 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 [2020-07-10 20:24:02,606 INFO L280 TraceCheckUtils]: 82: Hoare triple {17594#(not (= main_~__VERIFIER_assert__cond~13 0))} assume 0 == ~__VERIFIER_assert__cond~13; {17586#false} is VALID [2020-07-10 20:24:02,606 INFO L280 TraceCheckUtils]: 83: Hoare triple {17586#false} assume !false; {17586#false} is VALID [2020-07-10 20:24:02,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 20:24:02,612 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 20:24:02,613 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1444527327] [2020-07-10 20:24:02,613 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 20:24:02,613 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-10 20:24:02,614 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293298619] [2020-07-10 20:24:02,614 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 84 [2020-07-10 20:24:02,614 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 20:24:02,615 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-10 20:24:02,713 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 84 edges. 84 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:24:02,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-10 20:24:02,713 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-10 20:24:02,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-10 20:24:02,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-10 20:24:02,714 INFO L87 Difference]: Start difference. First operand 154 states and 158 transitions. Second operand 7 states. [2020-07-10 20:24:10,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:24:10,771 INFO L93 Difference]: Finished difference Result 439 states and 453 transitions. [2020-07-10 20:24:10,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-10 20:24:10,771 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 84 [2020-07-10 20:24:10,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 20:24:10,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-10 20:24:10,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 359 transitions. [2020-07-10 20:24:10,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-10 20:24:10,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 359 transitions. [2020-07-10 20:24:10,775 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 359 transitions. [2020-07-10 20:24:11,290 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 359 edges. 359 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:24:11,300 INFO L225 Difference]: With dead ends: 439 [2020-07-10 20:24:11,300 INFO L226 Difference]: Without dead ends: 437 [2020-07-10 20:24:11,300 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 [2020-07-10 20:24:11,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2020-07-10 20:24:13,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 152. [2020-07-10 20:24:13,333 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 20:24:13,333 INFO L82 GeneralOperation]: Start isEquivalent. First operand 437 states. Second operand 152 states. [2020-07-10 20:24:13,333 INFO L74 IsIncluded]: Start isIncluded. First operand 437 states. Second operand 152 states. [2020-07-10 20:24:13,333 INFO L87 Difference]: Start difference. First operand 437 states. Second operand 152 states. [2020-07-10 20:24:13,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:24:13,344 INFO L93 Difference]: Finished difference Result 437 states and 451 transitions. [2020-07-10 20:24:13,344 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 451 transitions. [2020-07-10 20:24:13,345 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 20:24:13,345 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 20:24:13,345 INFO L74 IsIncluded]: Start isIncluded. First operand 152 states. Second operand 437 states. [2020-07-10 20:24:13,346 INFO L87 Difference]: Start difference. First operand 152 states. Second operand 437 states. [2020-07-10 20:24:13,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:24:13,358 INFO L93 Difference]: Finished difference Result 437 states and 451 transitions. [2020-07-10 20:24:13,358 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 451 transitions. [2020-07-10 20:24:13,359 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 20:24:13,359 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 20:24:13,359 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 20:24:13,359 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 20:24:13,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-07-10 20:24:13,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 156 transitions. [2020-07-10 20:24:13,362 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 156 transitions. Word has length 84 [2020-07-10 20:24:13,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 20:24:13,362 INFO L479 AbstractCegarLoop]: Abstraction has 152 states and 156 transitions. [2020-07-10 20:24:13,362 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-10 20:24:13,362 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 152 states and 156 transitions. [2020-07-10 20:24:14,217 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 156 edges. 156 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:24:14,218 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 156 transitions. [2020-07-10 20:24:14,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-10 20:24:14,218 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 20:24:14,219 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] [2020-07-10 20:24:14,219 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-07-10 20:24:14,219 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]=== [2020-07-10 20:24:14,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 20:24:14,220 INFO L82 PathProgramCache]: Analyzing trace with hash 274017809, now seen corresponding path program 1 times [2020-07-10 20:24:14,220 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 20:24:14,220 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1838349508] [2020-07-10 20:24:14,220 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 20:24:14,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 20:24:14,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 20:24:14,335 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 [2020-07-10 20:24:14,335 INFO L280 TraceCheckUtils]: 1: Hoare triple {19670#true} ~__return_334~0 := 0; {19670#true} is VALID [2020-07-10 20:24:14,335 INFO L280 TraceCheckUtils]: 2: Hoare triple {19670#true} assume true; {19670#true} is VALID [2020-07-10 20:24:14,335 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {19670#true} {19670#true} #261#return; {19670#true} is VALID [2020-07-10 20:24:14,336 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 [2020-07-10 20:24:14,336 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 [2020-07-10 20:24:14,336 INFO L280 TraceCheckUtils]: 2: Hoare triple {19670#true} ~__return_334~0 := 0; {19670#true} is VALID [2020-07-10 20:24:14,336 INFO L280 TraceCheckUtils]: 3: Hoare triple {19670#true} assume true; {19670#true} is VALID [2020-07-10 20:24:14,337 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {19670#true} {19670#true} #261#return; {19670#true} is VALID [2020-07-10 20:24:14,337 INFO L263 TraceCheckUtils]: 5: Hoare triple {19670#true} call #t~ret3 := main(); {19670#true} is VALID [2020-07-10 20:24:14,337 INFO L280 TraceCheckUtils]: 6: Hoare triple {19670#true} havoc ~main__len~0; {19670#true} is VALID [2020-07-10 20:24:14,337 INFO L280 TraceCheckUtils]: 7: Hoare triple {19670#true} havoc ~main__i~0; {19670#true} is VALID [2020-07-10 20:24:14,337 INFO L280 TraceCheckUtils]: 8: Hoare triple {19670#true} havoc ~main__j~0; {19670#true} is VALID [2020-07-10 20:24:14,337 INFO L280 TraceCheckUtils]: 9: Hoare triple {19670#true} havoc ~main__bufsize~0; {19670#true} is VALID [2020-07-10 20:24:14,337 INFO L280 TraceCheckUtils]: 10: Hoare triple {19670#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {19670#true} is VALID [2020-07-10 20:24:14,338 INFO L280 TraceCheckUtils]: 11: Hoare triple {19670#true} ~main__bufsize~0 := #t~nondet0; {19670#true} is VALID [2020-07-10 20:24:14,338 INFO L280 TraceCheckUtils]: 12: Hoare triple {19670#true} havoc #t~nondet0; {19670#true} is VALID [2020-07-10 20:24:14,338 INFO L280 TraceCheckUtils]: 13: Hoare triple {19670#true} assume !(~main__bufsize~0 < 0); {19670#true} is VALID [2020-07-10 20:24:14,338 INFO L280 TraceCheckUtils]: 14: Hoare triple {19670#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {19670#true} is VALID [2020-07-10 20:24:14,338 INFO L280 TraceCheckUtils]: 15: Hoare triple {19670#true} ~main__len~0 := #t~nondet1; {19670#true} is VALID [2020-07-10 20:24:14,338 INFO L280 TraceCheckUtils]: 16: Hoare triple {19670#true} havoc #t~nondet1; {19670#true} is VALID [2020-07-10 20:24:14,339 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 [2020-07-10 20:24:14,339 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 [2020-07-10 20:24:14,340 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 [2020-07-10 20:24:14,340 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 [2020-07-10 20:24:14,340 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 [2020-07-10 20:24:14,341 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 [2020-07-10 20:24:14,342 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 [2020-07-10 20:24:14,342 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 [2020-07-10 20:24:14,342 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 [2020-07-10 20:24:14,343 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 [2020-07-10 20:24:14,343 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 [2020-07-10 20:24:14,344 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 [2020-07-10 20:24:14,344 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 [2020-07-10 20:24:14,344 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 [2020-07-10 20:24:14,345 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 [2020-07-10 20:24:14,345 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 [2020-07-10 20:24:14,345 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 [2020-07-10 20:24:14,346 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 [2020-07-10 20:24:14,346 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 [2020-07-10 20:24:14,347 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 [2020-07-10 20:24:14,347 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 [2020-07-10 20:24:14,347 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 [2020-07-10 20:24:14,348 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 [2020-07-10 20:24:14,348 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 [2020-07-10 20:24:14,349 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 [2020-07-10 20:24:14,349 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 [2020-07-10 20:24:14,349 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 [2020-07-10 20:24:14,350 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 [2020-07-10 20:24:14,350 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 [2020-07-10 20:24:14,350 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 [2020-07-10 20:24:14,351 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 [2020-07-10 20:24:14,351 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 [2020-07-10 20:24:14,352 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 [2020-07-10 20:24:14,352 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 [2020-07-10 20:24:14,352 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 [2020-07-10 20:24:14,353 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 [2020-07-10 20:24:14,353 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 [2020-07-10 20:24:14,353 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 [2020-07-10 20:24:14,354 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 [2020-07-10 20:24:14,354 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 [2020-07-10 20:24:14,355 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 [2020-07-10 20:24:14,355 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 [2020-07-10 20:24:14,355 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 [2020-07-10 20:24:14,356 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 [2020-07-10 20:24:14,357 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 [2020-07-10 20:24:14,357 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 [2020-07-10 20:24:14,357 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 [2020-07-10 20:24:14,358 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 [2020-07-10 20:24:14,358 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 [2020-07-10 20:24:14,358 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 [2020-07-10 20:24:14,359 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 [2020-07-10 20:24:14,359 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 [2020-07-10 20:24:14,360 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 [2020-07-10 20:24:14,360 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 [2020-07-10 20:24:14,360 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 [2020-07-10 20:24:14,361 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 [2020-07-10 20:24:14,361 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 [2020-07-10 20:24:14,362 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 [2020-07-10 20:24:14,367 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 [2020-07-10 20:24:14,368 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 [2020-07-10 20:24:14,369 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 [2020-07-10 20:24:14,369 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 [2020-07-10 20:24:14,370 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 [2020-07-10 20:24:14,371 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 [2020-07-10 20:24:14,371 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 [2020-07-10 20:24:14,372 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 [2020-07-10 20:24:14,372 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 [2020-07-10 20:24:14,373 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 [2020-07-10 20:24:14,374 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 [2020-07-10 20:24:14,374 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 [2020-07-10 20:24:14,375 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 [2020-07-10 20:24:14,376 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 [2020-07-10 20:24:14,377 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 [2020-07-10 20:24:14,378 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 [2020-07-10 20:24:14,378 INFO L280 TraceCheckUtils]: 91: Hoare triple {19681#(not (= main_~__VERIFIER_assert__cond~14 0))} assume 0 == ~__VERIFIER_assert__cond~14; {19671#false} is VALID [2020-07-10 20:24:14,379 INFO L280 TraceCheckUtils]: 92: Hoare triple {19671#false} assume !false; {19671#false} is VALID [2020-07-10 20:24:14,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 20:24:14,390 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 20:24:14,390 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1838349508] [2020-07-10 20:24:14,390 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 20:24:14,390 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-10 20:24:14,390 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532411835] [2020-07-10 20:24:14,391 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 93 [2020-07-10 20:24:14,391 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 20:24:14,391 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states. [2020-07-10 20:24:14,500 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 93 edges. 93 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:24:14,501 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-10 20:24:14,501 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-10 20:24:14,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-10 20:24:14,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-07-10 20:24:14,502 INFO L87 Difference]: Start difference. First operand 152 states and 156 transitions. Second operand 9 states. [2020-07-10 20:24:20,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:24:20,208 INFO L93 Difference]: Finished difference Result 281 states and 292 transitions. [2020-07-10 20:24:20,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-10 20:24:20,209 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 93 [2020-07-10 20:24:20,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 20:24:20,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-10 20:24:20,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 241 transitions. [2020-07-10 20:24:20,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-10 20:24:20,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 241 transitions. [2020-07-10 20:24:20,212 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states and 241 transitions. [2020-07-10 20:24:20,582 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 241 edges. 241 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:24:20,588 INFO L225 Difference]: With dead ends: 281 [2020-07-10 20:24:20,588 INFO L226 Difference]: Without dead ends: 279 [2020-07-10 20:24:20,589 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2020-07-10 20:24:20,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2020-07-10 20:24:22,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 150. [2020-07-10 20:24:22,677 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 20:24:22,677 INFO L82 GeneralOperation]: Start isEquivalent. First operand 279 states. Second operand 150 states. [2020-07-10 20:24:22,677 INFO L74 IsIncluded]: Start isIncluded. First operand 279 states. Second operand 150 states. [2020-07-10 20:24:22,677 INFO L87 Difference]: Start difference. First operand 279 states. Second operand 150 states. [2020-07-10 20:24:22,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:24:22,683 INFO L93 Difference]: Finished difference Result 279 states and 290 transitions. [2020-07-10 20:24:22,683 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 290 transitions. [2020-07-10 20:24:22,683 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 20:24:22,683 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 20:24:22,683 INFO L74 IsIncluded]: Start isIncluded. First operand 150 states. Second operand 279 states. [2020-07-10 20:24:22,684 INFO L87 Difference]: Start difference. First operand 150 states. Second operand 279 states. [2020-07-10 20:24:22,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:24:22,690 INFO L93 Difference]: Finished difference Result 279 states and 290 transitions. [2020-07-10 20:24:22,690 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 290 transitions. [2020-07-10 20:24:22,691 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 20:24:22,691 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 20:24:22,691 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 20:24:22,691 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 20:24:22,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-07-10 20:24:22,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 154 transitions. [2020-07-10 20:24:22,694 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 154 transitions. Word has length 93 [2020-07-10 20:24:22,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 20:24:22,694 INFO L479 AbstractCegarLoop]: Abstraction has 150 states and 154 transitions. [2020-07-10 20:24:22,695 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-10 20:24:22,695 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 150 states and 154 transitions. [2020-07-10 20:24:23,594 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 154 edges. 154 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:24:23,595 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 154 transitions. [2020-07-10 20:24:23,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-10 20:24:23,596 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 20:24:23,596 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] [2020-07-10 20:24:23,597 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-07-10 20:24:23,597 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]=== [2020-07-10 20:24:23,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 20:24:23,597 INFO L82 PathProgramCache]: Analyzing trace with hash 1620264573, now seen corresponding path program 1 times [2020-07-10 20:24:23,598 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 20:24:23,598 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1272594153] [2020-07-10 20:24:23,598 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 20:24:23,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 20:24:23,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 20:24:23,714 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 [2020-07-10 20:24:23,714 INFO L280 TraceCheckUtils]: 1: Hoare triple {21125#true} ~__return_334~0 := 0; {21125#true} is VALID [2020-07-10 20:24:23,715 INFO L280 TraceCheckUtils]: 2: Hoare triple {21125#true} assume true; {21125#true} is VALID [2020-07-10 20:24:23,715 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {21125#true} {21125#true} #261#return; {21125#true} is VALID [2020-07-10 20:24:23,716 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 [2020-07-10 20:24:23,716 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 [2020-07-10 20:24:23,716 INFO L280 TraceCheckUtils]: 2: Hoare triple {21125#true} ~__return_334~0 := 0; {21125#true} is VALID [2020-07-10 20:24:23,716 INFO L280 TraceCheckUtils]: 3: Hoare triple {21125#true} assume true; {21125#true} is VALID [2020-07-10 20:24:23,717 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {21125#true} {21125#true} #261#return; {21125#true} is VALID [2020-07-10 20:24:23,717 INFO L263 TraceCheckUtils]: 5: Hoare triple {21125#true} call #t~ret3 := main(); {21125#true} is VALID [2020-07-10 20:24:23,717 INFO L280 TraceCheckUtils]: 6: Hoare triple {21125#true} havoc ~main__len~0; {21125#true} is VALID [2020-07-10 20:24:23,717 INFO L280 TraceCheckUtils]: 7: Hoare triple {21125#true} havoc ~main__i~0; {21125#true} is VALID [2020-07-10 20:24:23,717 INFO L280 TraceCheckUtils]: 8: Hoare triple {21125#true} havoc ~main__j~0; {21125#true} is VALID [2020-07-10 20:24:23,717 INFO L280 TraceCheckUtils]: 9: Hoare triple {21125#true} havoc ~main__bufsize~0; {21125#true} is VALID [2020-07-10 20:24:23,718 INFO L280 TraceCheckUtils]: 10: Hoare triple {21125#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {21125#true} is VALID [2020-07-10 20:24:23,718 INFO L280 TraceCheckUtils]: 11: Hoare triple {21125#true} ~main__bufsize~0 := #t~nondet0; {21125#true} is VALID [2020-07-10 20:24:23,718 INFO L280 TraceCheckUtils]: 12: Hoare triple {21125#true} havoc #t~nondet0; {21125#true} is VALID [2020-07-10 20:24:23,718 INFO L280 TraceCheckUtils]: 13: Hoare triple {21125#true} assume !(~main__bufsize~0 < 0); {21125#true} is VALID [2020-07-10 20:24:23,718 INFO L280 TraceCheckUtils]: 14: Hoare triple {21125#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {21125#true} is VALID [2020-07-10 20:24:23,718 INFO L280 TraceCheckUtils]: 15: Hoare triple {21125#true} ~main__len~0 := #t~nondet1; {21125#true} is VALID [2020-07-10 20:24:23,719 INFO L280 TraceCheckUtils]: 16: Hoare triple {21125#true} havoc #t~nondet1; {21125#true} is VALID [2020-07-10 20:24:23,719 INFO L280 TraceCheckUtils]: 17: Hoare triple {21125#true} ~main__limit~0 := ~main__bufsize~0 - 4; {21125#true} is VALID [2020-07-10 20:24:23,719 INFO L280 TraceCheckUtils]: 18: Hoare triple {21125#true} ~main__i~0 := 0; {21125#true} is VALID [2020-07-10 20:24:23,719 INFO L280 TraceCheckUtils]: 19: Hoare triple {21125#true} assume ~main__i~0 < ~main__len~0; {21125#true} is VALID [2020-07-10 20:24:23,720 INFO L280 TraceCheckUtils]: 20: Hoare triple {21125#true} ~main__j~0 := 0; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-10 20:24:23,722 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 [2020-07-10 20:24:23,722 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 [2020-07-10 20:24:23,723 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 [2020-07-10 20:24:23,723 INFO L280 TraceCheckUtils]: 24: Hoare triple {21131#(<= 0 main_~main__j~0)} havoc ~__tmp_1~0; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-10 20:24:23,724 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 [2020-07-10 20:24:23,725 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 [2020-07-10 20:24:23,725 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 [2020-07-10 20:24:23,726 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 [2020-07-10 20:24:23,727 INFO L280 TraceCheckUtils]: 29: Hoare triple {21131#(<= 0 main_~main__j~0)} havoc ~__tmp_2~0; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-10 20:24:23,727 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 [2020-07-10 20:24:23,728 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 [2020-07-10 20:24:23,728 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 [2020-07-10 20:24:23,729 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 [2020-07-10 20:24:23,729 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 [2020-07-10 20:24:23,730 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 [2020-07-10 20:24:23,731 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 [2020-07-10 20:24:23,732 INFO L280 TraceCheckUtils]: 37: Hoare triple {21131#(<= 0 main_~main__j~0)} havoc #t~nondet2; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-10 20:24:23,732 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 [2020-07-10 20:24:23,733 INFO L280 TraceCheckUtils]: 39: Hoare triple {21131#(<= 0 main_~main__j~0)} havoc ~__tmp_7~0; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-10 20:24:23,734 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 [2020-07-10 20:24:23,734 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 [2020-07-10 20:24:23,735 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 [2020-07-10 20:24:23,736 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 [2020-07-10 20:24:23,736 INFO L280 TraceCheckUtils]: 44: Hoare triple {21131#(<= 0 main_~main__j~0)} havoc ~__tmp_8~0; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-10 20:24:23,737 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 [2020-07-10 20:24:23,738 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 [2020-07-10 20:24:23,738 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 [2020-07-10 20:24:23,739 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 [2020-07-10 20:24:23,739 INFO L280 TraceCheckUtils]: 49: Hoare triple {21131#(<= 0 main_~main__j~0)} havoc ~__tmp_9~0; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-10 20:24:23,740 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 [2020-07-10 20:24:23,741 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 [2020-07-10 20:24:23,742 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 [2020-07-10 20:24:23,742 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 [2020-07-10 20:24:23,743 INFO L280 TraceCheckUtils]: 54: Hoare triple {21131#(<= 0 main_~main__j~0)} havoc ~__tmp_10~0; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-10 20:24:23,743 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 [2020-07-10 20:24:23,744 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 [2020-07-10 20:24:23,744 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 [2020-07-10 20:24:23,745 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 [2020-07-10 20:24:23,746 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 [2020-07-10 20:24:23,747 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 [2020-07-10 20:24:23,747 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 [2020-07-10 20:24:23,748 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 [2020-07-10 20:24:23,749 INFO L280 TraceCheckUtils]: 63: Hoare triple {21132#(<= 1 main_~main__j~0)} havoc ~__tmp_11~0; {21132#(<= 1 main_~main__j~0)} is VALID [2020-07-10 20:24:23,749 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 [2020-07-10 20:24:23,750 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 [2020-07-10 20:24:23,750 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 [2020-07-10 20:24:23,751 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 [2020-07-10 20:24:23,752 INFO L280 TraceCheckUtils]: 68: Hoare triple {21132#(<= 1 main_~main__j~0)} havoc ~__tmp_12~0; {21132#(<= 1 main_~main__j~0)} is VALID [2020-07-10 20:24:23,752 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 [2020-07-10 20:24:23,753 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 [2020-07-10 20:24:23,754 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 [2020-07-10 20:24:23,754 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 [2020-07-10 20:24:23,755 INFO L280 TraceCheckUtils]: 73: Hoare triple {21132#(<= 1 main_~main__j~0)} havoc ~__tmp_13~0; {21132#(<= 1 main_~main__j~0)} is VALID [2020-07-10 20:24:23,755 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 [2020-07-10 20:24:23,756 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 [2020-07-10 20:24:23,757 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 [2020-07-10 20:24:23,758 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 [2020-07-10 20:24:23,759 INFO L280 TraceCheckUtils]: 78: Hoare triple {21132#(<= 1 main_~main__j~0)} havoc ~__tmp_14~0; {21132#(<= 1 main_~main__j~0)} is VALID [2020-07-10 20:24:23,760 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 [2020-07-10 20:24:23,761 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 [2020-07-10 20:24:23,762 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 [2020-07-10 20:24:23,762 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 [2020-07-10 20:24:23,763 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 [2020-07-10 20:24:23,765 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 [2020-07-10 20:24:23,766 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 [2020-07-10 20:24:23,767 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 [2020-07-10 20:24:23,768 INFO L280 TraceCheckUtils]: 87: Hoare triple {21133#(<= 2 main_~main__j~0)} havoc ~__tmp_15~0; {21133#(<= 2 main_~main__j~0)} is VALID [2020-07-10 20:24:23,769 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 [2020-07-10 20:24:23,770 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 [2020-07-10 20:24:23,771 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 [2020-07-10 20:24:23,772 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 [2020-07-10 20:24:23,772 INFO L280 TraceCheckUtils]: 92: Hoare triple {21133#(<= 2 main_~main__j~0)} havoc ~__tmp_16~0; {21133#(<= 2 main_~main__j~0)} is VALID [2020-07-10 20:24:23,774 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 [2020-07-10 20:24:23,775 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 [2020-07-10 20:24:23,776 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 [2020-07-10 20:24:23,777 INFO L280 TraceCheckUtils]: 96: Hoare triple {21135#(not (= main_~__VERIFIER_assert__cond~15 0))} assume 0 == ~__VERIFIER_assert__cond~15; {21126#false} is VALID [2020-07-10 20:24:23,777 INFO L280 TraceCheckUtils]: 97: Hoare triple {21126#false} assume !false; {21126#false} is VALID [2020-07-10 20:24:23,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 20:24:23,796 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 20:24:23,796 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1272594153] [2020-07-10 20:24:23,796 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 20:24:23,797 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-10 20:24:23,797 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280068625] [2020-07-10 20:24:23,798 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2020-07-10 20:24:23,798 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 20:24:23,798 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-10 20:24:23,950 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 98 edges. 98 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:24:23,950 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-10 20:24:23,950 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-10 20:24:23,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-10 20:24:23,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-10 20:24:23,951 INFO L87 Difference]: Start difference. First operand 150 states and 154 transitions. Second operand 8 states. [2020-07-10 20:24:37,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:24:37,663 INFO L93 Difference]: Finished difference Result 679 states and 701 transitions. [2020-07-10 20:24:37,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-10 20:24:37,663 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2020-07-10 20:24:37,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 20:24:37,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-10 20:24:37,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 557 transitions. [2020-07-10 20:24:37,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-10 20:24:37,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 557 transitions. [2020-07-10 20:24:37,670 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 557 transitions. [2020-07-10 20:24:38,505 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 557 edges. 557 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:24:38,506 INFO L225 Difference]: With dead ends: 679 [2020-07-10 20:24:38,506 INFO L226 Difference]: Without dead ends: 0 [2020-07-10 20:24:38,509 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 [2020-07-10 20:24:38,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-10 20:24:38,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-10 20:24:38,510 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 20:24:38,510 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-10 20:24:38,510 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-10 20:24:38,511 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-10 20:24:38,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:24:38,511 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-10 20:24:38,511 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-10 20:24:38,511 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 20:24:38,511 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 20:24:38,511 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-10 20:24:38,511 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-10 20:24:38,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:24:38,512 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-10 20:24:38,512 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-10 20:24:38,512 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 20:24:38,512 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 20:24:38,512 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 20:24:38,512 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 20:24:38,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-10 20:24:38,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-10 20:24:38,513 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 98 [2020-07-10 20:24:38,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 20:24:38,513 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-10 20:24:38,513 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-10 20:24:38,513 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 0 states and 0 transitions. [2020-07-10 20:24:38,514 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:24:38,514 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-10 20:24:38,514 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 20:24:38,514 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-07-10 20:24:38,516 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-10 20:24:38,680 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 112 [2020-07-10 20:24:39,089 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 95 [2020-07-10 20:24:39,479 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 71 [2020-07-10 20:24:39,853 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 150 [2020-07-10 20:24:40,022 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 121 [2020-07-10 20:24:40,175 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 119 [2020-07-10 20:24:40,314 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 99 [2020-07-10 20:24:40,681 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 141 [2020-07-10 20:24:40,979 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 141 [2020-07-10 20:24:41,181 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 102 [2020-07-10 20:24:41,301 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 141 [2020-07-10 20:24:41,425 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 110 [2020-07-10 20:24:41,543 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 133 [2020-07-10 20:24:41,828 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 163 [2020-07-10 20:24:41,974 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 146 [2020-07-10 20:24:42,407 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 145 [2020-07-10 20:24:42,611 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 146 [2020-07-10 20:24:42,760 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 142 [2020-07-10 20:24:42,877 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 163 [2020-07-10 20:24:42,982 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 166 [2020-07-10 20:24:43,378 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 111 [2020-07-10 20:24:44,312 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 153 [2020-07-10 20:24:44,418 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 144 [2020-07-10 20:24:44,526 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 148 [2020-07-10 20:24:44,899 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 120 [2020-07-10 20:24:45,012 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 154 [2020-07-10 20:24:45,121 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 153 [2020-07-10 20:24:46,042 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 166 [2020-07-10 20:24:46,265 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 125 [2020-07-10 20:24:46,446 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 150 [2020-07-10 20:24:46,554 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 171 [2020-07-10 20:24:46,676 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 164 [2020-07-10 20:24:46,785 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 160 [2020-07-10 20:24:46,890 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 166 [2020-07-10 20:24:47,250 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 53 [2020-07-10 20:24:47,680 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 57 [2020-07-10 20:24:47,843 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 77 [2020-07-10 20:24:48,031 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 20 [2020-07-10 20:24:48,143 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 20 [2020-07-10 20:24:48,600 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 28 [2020-07-10 20:24:48,834 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 40 [2020-07-10 20:24:49,188 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 38 [2020-07-10 20:24:49,380 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 45 [2020-07-10 20:24:49,607 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 66 [2020-07-10 20:24:49,829 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 69 [2020-07-10 20:24:50,068 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 75 [2020-07-10 20:24:50,228 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 80 [2020-07-10 20:24:50,547 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 35 [2020-07-10 20:24:50,830 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 57 [2020-07-10 20:24:50,956 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2020-07-10 20:24:51,188 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 66 [2020-07-10 20:24:51,493 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 35 [2020-07-10 20:24:51,675 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 89 [2020-07-10 20:24:51,994 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 16 [2020-07-10 20:24:52,293 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 35 [2020-07-10 20:24:52,483 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 26 [2020-07-10 20:24:52,788 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 31 [2020-07-10 20:24:53,096 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 35 [2020-07-10 20:24:53,628 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 39 [2020-07-10 20:24:54,113 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 42 [2020-07-10 20:24:54,477 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 46 [2020-07-10 20:24:54,762 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 80 [2020-07-10 20:24:54,930 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2020-07-10 20:24:55,110 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 89 [2020-07-10 20:24:55,502 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 26 [2020-07-10 20:24:55,927 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 30 [2020-07-10 20:24:56,335 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 35 [2020-07-10 20:24:56,865 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 39 [2020-07-10 20:24:57,351 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 45 [2020-07-10 20:24:57,618 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 39 [2020-07-10 20:24:57,810 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 42 [2020-07-10 20:24:58,066 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 48 [2020-07-10 20:24:58,317 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 50 [2020-07-10 20:24:58,585 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2020-07-10 20:24:58,904 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 20 [2020-07-10 20:24:59,086 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 13 [2020-07-10 20:24:59,282 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 34 [2020-07-10 20:24:59,551 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 39 [2020-07-10 20:24:59,730 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 61 [2020-07-10 20:25:00,065 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 63 [2020-07-10 20:25:00,207 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 69 [2020-07-10 20:25:00,441 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 72 [2020-07-10 20:25:00,600 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2020-07-10 20:25:00,869 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 30 [2020-07-10 20:25:01,117 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 34 [2020-07-10 20:25:01,404 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 61 [2020-07-10 20:25:01,581 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2020-07-10 20:25:01,751 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2020-07-10 20:25:01,960 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 23 [2020-07-10 20:25:02,249 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 30 [2020-07-10 20:25:02,551 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 35 [2020-07-10 20:25:02,967 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 35 [2020-07-10 20:25:03,309 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 36 [2020-07-10 20:25:03,681 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 44 [2020-07-10 20:25:04,029 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 46 [2020-07-10 20:25:04,368 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 50 [2020-07-10 20:25:04,905 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 57 [2020-07-10 20:25:05,069 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 77 [2020-07-10 20:25:05,262 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2020-07-10 20:25:05,450 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 89 [2020-07-10 20:25:05,781 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 25 [2020-07-10 20:25:06,250 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 29 [2020-07-10 20:25:06,655 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 35 [2020-07-10 20:25:06,850 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 35 [2020-07-10 20:25:07,152 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 41 [2020-07-10 20:25:07,465 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 46 [2020-07-10 20:25:07,850 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 50 [2020-07-10 20:25:08,182 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 72 [2020-07-10 20:25:08,431 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 75 [2020-07-10 20:25:08,587 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 80 [2020-07-10 20:25:08,748 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 19 [2020-07-10 20:25:09,058 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 35 [2020-07-10 20:25:09,270 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 58 [2020-07-10 20:25:09,395 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 63 [2020-07-10 20:25:09,630 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 67 [2020-07-10 20:25:09,865 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 72 [2020-07-10 20:25:10,027 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2020-07-10 20:25:10,303 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 28 [2020-07-10 20:25:10,569 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 32 [2020-07-10 20:25:10,869 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 35 [2020-07-10 20:25:11,399 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 45 [2020-07-10 20:25:11,657 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 54 [2020-07-10 20:25:11,822 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 80 [2020-07-10 20:25:11,999 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2020-07-10 20:25:12,459 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 43 [2020-07-10 20:25:12,811 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 25 [2020-07-10 20:25:13,284 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 28 [2020-07-10 20:25:13,830 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 31 [2020-07-10 20:25:14,504 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 37 [2020-07-10 20:25:15,101 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 39 [2020-07-10 20:25:15,606 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 45 [2020-07-10 20:25:15,805 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 45 [2020-07-10 20:25:16,073 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 49 [2020-07-10 20:25:16,080 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-07-10 20:25:16,080 INFO L271 CegarLoopResult]: At program point L10(line 10) the Hoare annotation is: true [2020-07-10 20:25:16,080 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)|)) [2020-07-10 20:25:16,080 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-07-10 20:25:16,080 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-07-10 20:25:16,080 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-10 20:25:16,080 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-10 20:25:16,081 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-07-10 20:25:16,081 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 4 6) no Hoare annotation was computed. [2020-07-10 20:25:16,081 INFO L268 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2020-07-10 20:25:16,081 INFO L268 CegarLoopResult]: For program point L5-1(line 5) no Hoare annotation was computed. [2020-07-10 20:25:16,081 INFO L268 CegarLoopResult]: For program point L5-3(lines 4 6) no Hoare annotation was computed. [2020-07-10 20:25:16,081 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 4 6) no Hoare annotation was computed. [2020-07-10 20:25:16,082 INFO L264 CegarLoopResult]: At program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 86) the Hoare annotation is: false [2020-07-10 20:25:16,082 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)) [2020-07-10 20:25:16,083 INFO L271 CegarLoopResult]: At program point mainEXIT(lines 11 311) the Hoare annotation is: true [2020-07-10 20:25:16,083 INFO L264 CegarLoopResult]: At program point L151(line 151) the Hoare annotation is: false [2020-07-10 20:25:16,083 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)) [2020-07-10 20:25:16,083 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)) [2020-07-10 20:25:16,084 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)) [2020-07-10 20:25:16,084 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)) [2020-07-10 20:25:16,084 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)) [2020-07-10 20:25:16,084 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)) [2020-07-10 20:25:16,085 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)) [2020-07-10 20:25:16,085 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)) [2020-07-10 20:25:16,085 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)) [2020-07-10 20:25:16,085 INFO L264 CegarLoopResult]: At program point L152(line 152) the Hoare annotation is: false [2020-07-10 20:25:16,085 INFO L264 CegarLoopResult]: At program point L86(line 86) the Hoare annotation is: false [2020-07-10 20:25:16,085 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)) [2020-07-10 20:25:16,086 INFO L264 CegarLoopResult]: At program point L20(line 20) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-10 20:25:16,086 INFO L264 CegarLoopResult]: At program point mainErr14ASSERT_VIOLATIONERROR_FUNCTION(line 243) the Hoare annotation is: false [2020-07-10 20:25:16,086 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)) [2020-07-10 20:25:16,086 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)) [2020-07-10 20:25:16,086 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)) [2020-07-10 20:25:16,086 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)) [2020-07-10 20:25:16,087 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)) [2020-07-10 20:25:16,087 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)) [2020-07-10 20:25:16,087 INFO L264 CegarLoopResult]: At program point L87(line 87) the Hoare annotation is: false [2020-07-10 20:25:16,087 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)) [2020-07-10 20:25:16,087 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)) [2020-07-10 20:25:16,087 INFO L271 CegarLoopResult]: At program point mainFINAL(lines 11 311) the Hoare annotation is: true [2020-07-10 20:25:16,087 INFO L264 CegarLoopResult]: At program point L203(line 203) the Hoare annotation is: false [2020-07-10 20:25:16,087 INFO L264 CegarLoopResult]: At program point mainErr13ASSERT_VIOLATIONERROR_FUNCTION(line 227) the Hoare annotation is: false [2020-07-10 20:25:16,088 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)) [2020-07-10 20:25:16,088 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)) [2020-07-10 20:25:16,088 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)) [2020-07-10 20:25:16,088 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)) [2020-07-10 20:25:16,088 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)) [2020-07-10 20:25:16,089 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)) [2020-07-10 20:25:16,089 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)) [2020-07-10 20:25:16,089 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)) [2020-07-10 20:25:16,089 INFO L264 CegarLoopResult]: At program point L204(line 204) the Hoare annotation is: false [2020-07-10 20:25:16,089 INFO L264 CegarLoopResult]: At program point mainErr8ASSERT_VIOLATIONERROR_FUNCTION(line 163) the Hoare annotation is: false [2020-07-10 20:25:16,089 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)) [2020-07-10 20:25:16,090 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)) [2020-07-10 20:25:16,090 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)) [2020-07-10 20:25:16,090 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)) [2020-07-10 20:25:16,090 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)) [2020-07-10 20:25:16,091 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)) [2020-07-10 20:25:16,091 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)) [2020-07-10 20:25:16,091 INFO L264 CegarLoopResult]: At program point mainErr15ASSERT_VIOLATIONERROR_FUNCTION(line 255) the Hoare annotation is: false [2020-07-10 20:25:16,091 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)) [2020-07-10 20:25:16,091 INFO L264 CegarLoopResult]: At program point L139(line 139) the Hoare annotation is: false [2020-07-10 20:25:16,092 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)) [2020-07-10 20:25:16,092 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)) [2020-07-10 20:25:16,092 INFO L264 CegarLoopResult]: At program point L255(line 255) the Hoare annotation is: false [2020-07-10 20:25:16,092 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)) [2020-07-10 20:25:16,092 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)) [2020-07-10 20:25:16,092 INFO L264 CegarLoopResult]: At program point L57(line 57) the Hoare annotation is: false [2020-07-10 20:25:16,092 INFO L264 CegarLoopResult]: At program point L24(line 24) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-10 20:25:16,092 INFO L264 CegarLoopResult]: At program point L24-1(line 24) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-10 20:25:16,092 INFO L264 CegarLoopResult]: At program point L24-2(line 24) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-10 20:25:16,093 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)) [2020-07-10 20:25:16,093 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)) [2020-07-10 20:25:16,093 INFO L264 CegarLoopResult]: At program point L140(line 140) the Hoare annotation is: false [2020-07-10 20:25:16,093 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)) [2020-07-10 20:25:16,093 INFO L264 CegarLoopResult]: At program point L74(line 74) the Hoare annotation is: false [2020-07-10 20:25:16,093 INFO L264 CegarLoopResult]: At program point mainErr10ASSERT_VIOLATIONERROR_FUNCTION(line 191) the Hoare annotation is: false [2020-07-10 20:25:16,094 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)) [2020-07-10 20:25:16,095 INFO L264 CegarLoopResult]: At program point L256(line 256) the Hoare annotation is: false [2020-07-10 20:25:16,096 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)) [2020-07-10 20:25:16,096 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)) [2020-07-10 20:25:16,096 INFO L264 CegarLoopResult]: At program point L58(line 58) the Hoare annotation is: false [2020-07-10 20:25:16,096 INFO L264 CegarLoopResult]: At program point L25(line 25) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-10 20:25:16,096 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)) [2020-07-10 20:25:16,097 INFO L264 CegarLoopResult]: At program point mainErr9ASSERT_VIOLATIONERROR_FUNCTION(line 175) the Hoare annotation is: false [2020-07-10 20:25:16,097 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)) [2020-07-10 20:25:16,097 INFO L264 CegarLoopResult]: At program point L75(line 75) the Hoare annotation is: false [2020-07-10 20:25:16,097 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)) [2020-07-10 20:25:16,097 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)) [2020-07-10 20:25:16,097 INFO L264 CegarLoopResult]: At program point L191(line 191) the Hoare annotation is: false [2020-07-10 20:25:16,098 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)) [2020-07-10 20:25:16,098 INFO L264 CegarLoopResult]: At program point mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 98) the Hoare annotation is: false [2020-07-10 20:25:16,099 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)) [2020-07-10 20:25:16,099 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)) [2020-07-10 20:25:16,099 INFO L264 CegarLoopResult]: At program point L307(line 307) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-10 20:25:16,099 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)) [2020-07-10 20:25:16,099 INFO L264 CegarLoopResult]: At program point L175(line 175) the Hoare annotation is: false [2020-07-10 20:25:16,100 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)) [2020-07-10 20:25:16,100 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)) [2020-07-10 20:25:16,100 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)) [2020-07-10 20:25:16,100 INFO L264 CegarLoopResult]: At program point L192(line 192) the Hoare annotation is: false [2020-07-10 20:25:16,100 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)) [2020-07-10 20:25:16,101 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)) [2020-07-10 20:25:16,101 INFO L271 CegarLoopResult]: At program point L308(line 308) the Hoare annotation is: true [2020-07-10 20:25:16,101 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)) [2020-07-10 20:25:16,101 INFO L264 CegarLoopResult]: At program point L176(line 176) the Hoare annotation is: false [2020-07-10 20:25:16,101 INFO L264 CegarLoopResult]: At program point L110(line 110) the Hoare annotation is: false [2020-07-10 20:25:16,101 INFO L264 CegarLoopResult]: At program point mainErr11ASSERT_VIOLATIONERROR_FUNCTION(line 203) the Hoare annotation is: false [2020-07-10 20:25:16,102 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)) [2020-07-10 20:25:16,102 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)) [2020-07-10 20:25:16,102 INFO L264 CegarLoopResult]: At program point mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 139) the Hoare annotation is: false [2020-07-10 20:25:16,102 INFO L264 CegarLoopResult]: At program point L243(line 243) the Hoare annotation is: false [2020-07-10 20:25:16,102 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)) [2020-07-10 20:25:16,102 INFO L264 CegarLoopResult]: At program point L111(line 111) the Hoare annotation is: false [2020-07-10 20:25:16,103 INFO L264 CegarLoopResult]: At program point L45(line 45) the Hoare annotation is: false [2020-07-10 20:25:16,103 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)) [2020-07-10 20:25:16,103 INFO L264 CegarLoopResult]: At program point L227(line 227) the Hoare annotation is: false [2020-07-10 20:25:16,103 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)) [2020-07-10 20:25:16,104 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)) [2020-07-10 20:25:16,104 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)) [2020-07-10 20:25:16,104 INFO L264 CegarLoopResult]: At program point mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 110) the Hoare annotation is: false [2020-07-10 20:25:16,104 INFO L264 CegarLoopResult]: At program point L244(line 244) the Hoare annotation is: false [2020-07-10 20:25:16,104 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)) [2020-07-10 20:25:16,105 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)) [2020-07-10 20:25:16,105 INFO L264 CegarLoopResult]: At program point L46(line 46) the Hoare annotation is: false [2020-07-10 20:25:16,105 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)) [2020-07-10 20:25:16,105 INFO L264 CegarLoopResult]: At program point L228(line 228) the Hoare annotation is: false [2020-07-10 20:25:16,105 INFO L264 CegarLoopResult]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 45) the Hoare annotation is: false [2020-07-10 20:25:16,106 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)) [2020-07-10 20:25:16,106 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)) [2020-07-10 20:25:16,106 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)) [2020-07-10 20:25:16,106 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)) [2020-07-10 20:25:16,106 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 11 311) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-10 20:25:16,106 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)) [2020-07-10 20:25:16,107 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)) [2020-07-10 20:25:16,107 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)) [2020-07-10 20:25:16,107 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)) [2020-07-10 20:25:16,107 INFO L264 CegarLoopResult]: At program point L14(line 14) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-10 20:25:16,107 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)))) [2020-07-10 20:25:16,108 INFO L264 CegarLoopResult]: At program point L163(line 163) the Hoare annotation is: false [2020-07-10 20:25:16,108 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)) [2020-07-10 20:25:16,108 INFO L264 CegarLoopResult]: At program point mainErr7ASSERT_VIOLATIONERROR_FUNCTION(line 151) the Hoare annotation is: false [2020-07-10 20:25:16,108 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)) [2020-07-10 20:25:16,108 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)) [2020-07-10 20:25:16,109 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)) [2020-07-10 20:25:16,109 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)) [2020-07-10 20:25:16,109 INFO L264 CegarLoopResult]: At program point L15(line 15) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-10 20:25:16,109 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)) [2020-07-10 20:25:16,109 INFO L264 CegarLoopResult]: At program point L164(line 164) the Hoare annotation is: false [2020-07-10 20:25:16,109 INFO L264 CegarLoopResult]: At program point L98(line 98) the Hoare annotation is: false [2020-07-10 20:25:16,110 INFO L264 CegarLoopResult]: At program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 74) the Hoare annotation is: false [2020-07-10 20:25:16,110 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)) [2020-07-10 20:25:16,110 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)) [2020-07-10 20:25:16,110 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)) [2020-07-10 20:25:16,110 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)) [2020-07-10 20:25:16,110 INFO L264 CegarLoopResult]: At program point L16(line 16) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-10 20:25:16,111 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)) [2020-07-10 20:25:16,111 INFO L264 CegarLoopResult]: At program point L99(line 99) the Hoare annotation is: false [2020-07-10 20:25:16,111 INFO L264 CegarLoopResult]: At program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 57) the Hoare annotation is: false [2020-07-10 20:25:16,111 INFO L264 CegarLoopResult]: At program point L215(line 215) the Hoare annotation is: false [2020-07-10 20:25:16,111 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)) [2020-07-10 20:25:16,112 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)) [2020-07-10 20:25:16,112 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)) [2020-07-10 20:25:16,112 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)) [2020-07-10 20:25:16,112 INFO L264 CegarLoopResult]: At program point L17(line 17) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-10 20:25:16,112 INFO L264 CegarLoopResult]: At program point L17-1(line 17) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-10 20:25:16,112 INFO L264 CegarLoopResult]: At program point L17-2(line 17) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-10 20:25:16,113 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)) [2020-07-10 20:25:16,113 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)) [2020-07-10 20:25:16,113 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)) [2020-07-10 20:25:16,113 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)) [2020-07-10 20:25:16,113 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)) [2020-07-10 20:25:16,114 INFO L264 CegarLoopResult]: At program point L216(line 216) the Hoare annotation is: false [2020-07-10 20:25:16,114 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)) [2020-07-10 20:25:16,114 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)) [2020-07-10 20:25:16,114 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)) [2020-07-10 20:25:16,114 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)) [2020-07-10 20:25:16,114 INFO L264 CegarLoopResult]: At program point L18(lines 18 310) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-10 20:25:16,115 INFO L264 CegarLoopResult]: At program point mainErr12ASSERT_VIOLATIONERROR_FUNCTION(line 215) the Hoare annotation is: false [2020-07-10 20:25:16,115 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)) [2020-07-10 20:25:16,115 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)) [2020-07-10 20:25:16,115 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)) [2020-07-10 20:25:16,120 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2020-07-10 20:25:16,121 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2020-07-10 20:25:16,121 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2020-07-10 20:25:16,122 WARN L170 areAnnotationChecker]: L5-1 has no Hoare annotation [2020-07-10 20:25:16,122 WARN L170 areAnnotationChecker]: L5-3 has no Hoare annotation [2020-07-10 20:25:16,258 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. [2020-07-10 20:25:16,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 08:25:16 BoogieIcfgContainer [2020-07-10 20:25:16,288 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-10 20:25:16,291 INFO L168 Benchmark]: Toolchain (without parser) took 146925.79 ms. Allocated memory was 146.3 MB in the beginning and 513.8 MB in the end (delta: 367.5 MB). Free memory was 104.9 MB in the beginning and 347.9 MB in the end (delta: -243.0 MB). Peak memory consumption was 124.5 MB. Max. memory is 7.1 GB. [2020-07-10 20:25:16,292 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 146.3 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-10 20:25:16,297 INFO L168 Benchmark]: CACSL2BoogieTranslator took 331.40 ms. Allocated memory is still 146.3 MB. Free memory was 104.7 MB in the beginning and 91.5 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. [2020-07-10 20:25:16,298 INFO L168 Benchmark]: Boogie Preprocessor took 139.93 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 91.5 MB in the beginning and 181.5 MB in the end (delta: -90.0 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2020-07-10 20:25:16,298 INFO L168 Benchmark]: RCFGBuilder took 796.59 ms. Allocated memory is still 203.9 MB. Free memory was 181.5 MB in the beginning and 127.3 MB in the end (delta: 54.2 MB). Peak memory consumption was 54.2 MB. Max. memory is 7.1 GB. [2020-07-10 20:25:16,299 INFO L168 Benchmark]: TraceAbstraction took 145651.51 ms. Allocated memory was 203.9 MB in the beginning and 513.8 MB in the end (delta: 309.9 MB). Free memory was 126.7 MB in the beginning and 347.9 MB in the end (delta: -221.3 MB). Peak memory consumption was 88.6 MB. Max. memory is 7.1 GB. [2020-07-10 20:25:16,302 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 0.23 ms. Allocated memory is still 146.3 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 331.40 ms. Allocated memory is still 146.3 MB. Free memory was 104.7 MB in the beginning and 91.5 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 139.93 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 91.5 MB in the beginning and 181.5 MB in the end (delta: -90.0 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 796.59 ms. Allocated memory is still 203.9 MB. Free memory was 181.5 MB in the beginning and 127.3 MB in the end (delta: 54.2 MB). Peak memory consumption was 54.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 145651.51 ms. Allocated memory was 203.9 MB in the beginning and 513.8 MB in the end (delta: 309.9 MB). Free memory was 126.7 MB in the beginning and 347.9 MB in the end (delta: -221.3 MB). Peak memory consumption was 88.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 45]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 255]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 151]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 163]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 227]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 175]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 191]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 243]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 215]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 98]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 203]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 74]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 139]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 110]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 86]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 57]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((((\old(__return_334) == __return_334 && !(__VERIFIER_assert__cond == 0)) && ((((main__limit + 4 <= main__bufsize && !(__VERIFIER_assert__cond == 0)) && !(0 == __tmp_13)) && 1 <= main__i) || ((main__limit + 4 <= main__bufsize && main__j + 4 <= main__bufsize) && 1 <= main__i))) && 1 <= main__j) && !(0 == __tmp_15)) || ((((\old(__return_334) == __return_334 && main__i < main__len) && 0 <= main__j) && main__limit + 4 <= main__bufsize) && 0 <= main__i)) || (((\old(__return_334) == __return_334 && main__j + 4 <= main__bufsize) && ((((main__limit + 4 <= main__bufsize && !(__VERIFIER_assert__cond == 0)) && !(0 == __tmp_13)) && 1 <= main__i) || ((main__limit + 4 <= main__bufsize && main__j + 4 <= main__bufsize) && 1 <= main__i))) && 1 <= main__j) - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: ((((main__i < main__len && \old(__return_334) == __return_334) && 0 <= main__j) && main__limit + 4 <= main__bufsize) && 0 <= main__i) && main__j + 5 <= main__bufsize - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: (\old(__return_334) == __return_334 && main__limit + 4 <= main__bufsize) && 0 <= main__i - ProcedureContractResult [Line: 11]: Procedure Contract for main Derived contract for procedure main: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 183 locations, 16 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 107.8s, OverallIterations: 16, TraceHistogramMax: 1, AutomataDifference: 76.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 37.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3461 SDtfs, 8686 SDslu, 396 SDs, 0 SdLazy, 6219 SolverSat, 240 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 243 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 175 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=178occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 19.6s AutomataMinimizationTime, 16 MinimizatonAttempts, 1653 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 178 LocationsWithAnnotation, 178 PreInvPairs, 848 NumberOfFragments, 6575 HoareAnnotationTreeSize, 178 FomulaSimplifications, 3317376878 FormulaSimplificationTreeSizeReduction, 8.4s HoareSimplificationTime, 178 FomulaSimplificationsInter, 18240044 FormulaSimplificationTreeSizeReductionInter, 28.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...