/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/locks/test_locks_10.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-11 00:58:58,327 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-11 00:58:58,330 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-11 00:58:58,343 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-11 00:58:58,343 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-11 00:58:58,344 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-11 00:58:58,346 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-11 00:58:58,348 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-11 00:58:58,349 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-11 00:58:58,350 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-11 00:58:58,351 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-11 00:58:58,352 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-11 00:58:58,353 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-11 00:58:58,354 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-11 00:58:58,355 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-11 00:58:58,356 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-11 00:58:58,357 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-11 00:58:58,358 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-11 00:58:58,360 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-11 00:58:58,362 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-11 00:58:58,363 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-11 00:58:58,364 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-11 00:58:58,365 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-11 00:58:58,366 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-11 00:58:58,368 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-11 00:58:58,376 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-11 00:58:58,377 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-11 00:58:58,378 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-11 00:58:58,378 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-11 00:58:58,388 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-11 00:58:58,388 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-11 00:58:58,389 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-11 00:58:58,389 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-11 00:58:58,390 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-11 00:58:58,390 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-11 00:58:58,390 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-11 00:58:58,390 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-11 00:58:58,390 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-11 00:58:58,391 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-11 00:58:58,391 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-11 00:58:58,391 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-11 00:58:58,391 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-11 00:58:58,391 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-11 00:58:58,392 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-11 00:58:58,392 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-11 00:58:58,392 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-11 00:58:58,392 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-11 00:58:58,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-11 00:58:58,393 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-11 00:58:58,393 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-11 00:58:58,393 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-11 00:58:58,393 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-11 00:58:58,707 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-11 00:58:58,722 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-11 00:58:58,726 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-11 00:58:58,727 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-11 00:58:58,727 INFO L275 PluginConnector]: CDTParser initialized [2020-07-11 00:58:58,728 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_10.c [2020-07-11 00:58:58,806 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1b4437ac/1b3be1cfed3e4ac1a4ae7ee5aedc8735/FLAG42785de28 [2020-07-11 00:58:59,279 INFO L306 CDTParser]: Found 1 translation units. [2020-07-11 00:58:59,280 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_10.c [2020-07-11 00:58:59,289 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1b4437ac/1b3be1cfed3e4ac1a4ae7ee5aedc8735/FLAG42785de28 [2020-07-11 00:58:59,694 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1b4437ac/1b3be1cfed3e4ac1a4ae7ee5aedc8735 [2020-07-11 00:58:59,705 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-11 00:58:59,707 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-11 00:58:59,708 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-11 00:58:59,708 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-11 00:58:59,712 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-11 00:58:59,714 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 12:58:59" (1/1) ... [2020-07-11 00:58:59,717 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60986292 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:58:59, skipping insertion in model container [2020-07-11 00:58:59,718 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 12:58:59" (1/1) ... [2020-07-11 00:58:59,725 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-11 00:58:59,748 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-11 00:58:59,933 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-11 00:58:59,939 INFO L203 MainTranslator]: Completed pre-run [2020-07-11 00:58:59,975 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-11 00:58:59,991 INFO L208 MainTranslator]: Completed translation [2020-07-11 00:58:59,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:58:59 WrapperNode [2020-07-11 00:58:59,992 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-11 00:58:59,993 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-11 00:58:59,993 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-11 00:58:59,993 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-11 00:59:00,104 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:58:59" (1/1) ... [2020-07-11 00:59:00,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:58:59" (1/1) ... [2020-07-11 00:59:00,112 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:58:59" (1/1) ... [2020-07-11 00:59:00,112 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:58:59" (1/1) ... [2020-07-11 00:59:00,121 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:58:59" (1/1) ... [2020-07-11 00:59:00,132 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:58:59" (1/1) ... [2020-07-11 00:59:00,133 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:58:59" (1/1) ... [2020-07-11 00:59:00,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-11 00:59:00,137 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-11 00:59:00,137 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-11 00:59:00,137 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-11 00:59:00,142 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:58:59" (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 [2020-07-11 00:59:00,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-11 00:59:00,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-11 00:59:00,216 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-11 00:59:00,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-11 00:59:00,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-11 00:59:00,216 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-11 00:59:00,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-11 00:59:00,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-11 00:59:00,874 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-11 00:59:00,875 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-11 00:59:00,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 12:59:00 BoogieIcfgContainer [2020-07-11 00:59:00,888 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-11 00:59:00,892 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-11 00:59:00,892 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-11 00:59:00,896 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-11 00:59:00,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.07 12:58:59" (1/3) ... [2020-07-11 00:59:00,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f78644a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 12:59:00, skipping insertion in model container [2020-07-11 00:59:00,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:58:59" (2/3) ... [2020-07-11 00:59:00,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f78644a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 12:59:00, skipping insertion in model container [2020-07-11 00:59:00,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 12:59:00" (3/3) ... [2020-07-11 00:59:00,903 INFO L109 eAbstractionObserver]: Analyzing ICFG test_locks_10.c [2020-07-11 00:59:00,915 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-11 00:59:00,927 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-11 00:59:00,944 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-11 00:59:00,963 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-11 00:59:00,964 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-11 00:59:00,964 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-11 00:59:00,964 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-11 00:59:00,964 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-11 00:59:00,964 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-11 00:59:00,965 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-11 00:59:00,965 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-11 00:59:00,980 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states. [2020-07-11 00:59:00,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-07-11 00:59:00,995 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:59:00,996 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] [2020-07-11 00:59:00,996 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:59:01,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:59:01,002 INFO L82 PathProgramCache]: Analyzing trace with hash -74913912, now seen corresponding path program 1 times [2020-07-11 00:59:01,010 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:59:01,010 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [246320356] [2020-07-11 00:59:01,011 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:59:01,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:59:01,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:59:01,277 INFO L280 TraceCheckUtils]: 0: Hoare triple {121#true} assume true; {121#true} is VALID [2020-07-11 00:59:01,278 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {121#true} {121#true} #271#return; {121#true} is VALID [2020-07-11 00:59:01,280 INFO L263 TraceCheckUtils]: 0: Hoare triple {121#true} call ULTIMATE.init(); {121#true} is VALID [2020-07-11 00:59:01,281 INFO L280 TraceCheckUtils]: 1: Hoare triple {121#true} assume true; {121#true} is VALID [2020-07-11 00:59:01,282 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {121#true} {121#true} #271#return; {121#true} is VALID [2020-07-11 00:59:01,282 INFO L263 TraceCheckUtils]: 3: Hoare triple {121#true} call #t~ret11 := main(); {121#true} is VALID [2020-07-11 00:59:01,283 INFO L280 TraceCheckUtils]: 4: Hoare triple {121#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {121#true} is VALID [2020-07-11 00:59:01,283 INFO L280 TraceCheckUtils]: 5: Hoare triple {121#true} ~p1~0 := #t~nondet0; {121#true} is VALID [2020-07-11 00:59:01,284 INFO L280 TraceCheckUtils]: 6: Hoare triple {121#true} havoc #t~nondet0; {121#true} is VALID [2020-07-11 00:59:01,284 INFO L280 TraceCheckUtils]: 7: Hoare triple {121#true} havoc ~lk1~0; {121#true} is VALID [2020-07-11 00:59:01,284 INFO L280 TraceCheckUtils]: 8: Hoare triple {121#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {121#true} is VALID [2020-07-11 00:59:01,285 INFO L280 TraceCheckUtils]: 9: Hoare triple {121#true} ~p2~0 := #t~nondet1; {121#true} is VALID [2020-07-11 00:59:01,285 INFO L280 TraceCheckUtils]: 10: Hoare triple {121#true} havoc #t~nondet1; {121#true} is VALID [2020-07-11 00:59:01,285 INFO L280 TraceCheckUtils]: 11: Hoare triple {121#true} havoc ~lk2~0; {121#true} is VALID [2020-07-11 00:59:01,286 INFO L280 TraceCheckUtils]: 12: Hoare triple {121#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {121#true} is VALID [2020-07-11 00:59:01,286 INFO L280 TraceCheckUtils]: 13: Hoare triple {121#true} ~p3~0 := #t~nondet2; {121#true} is VALID [2020-07-11 00:59:01,287 INFO L280 TraceCheckUtils]: 14: Hoare triple {121#true} havoc #t~nondet2; {121#true} is VALID [2020-07-11 00:59:01,287 INFO L280 TraceCheckUtils]: 15: Hoare triple {121#true} havoc ~lk3~0; {121#true} is VALID [2020-07-11 00:59:01,287 INFO L280 TraceCheckUtils]: 16: Hoare triple {121#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {121#true} is VALID [2020-07-11 00:59:01,288 INFO L280 TraceCheckUtils]: 17: Hoare triple {121#true} ~p4~0 := #t~nondet3; {121#true} is VALID [2020-07-11 00:59:01,288 INFO L280 TraceCheckUtils]: 18: Hoare triple {121#true} havoc #t~nondet3; {121#true} is VALID [2020-07-11 00:59:01,288 INFO L280 TraceCheckUtils]: 19: Hoare triple {121#true} havoc ~lk4~0; {121#true} is VALID [2020-07-11 00:59:01,289 INFO L280 TraceCheckUtils]: 20: Hoare triple {121#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {121#true} is VALID [2020-07-11 00:59:01,289 INFO L280 TraceCheckUtils]: 21: Hoare triple {121#true} ~p5~0 := #t~nondet4; {121#true} is VALID [2020-07-11 00:59:01,289 INFO L280 TraceCheckUtils]: 22: Hoare triple {121#true} havoc #t~nondet4; {121#true} is VALID [2020-07-11 00:59:01,290 INFO L280 TraceCheckUtils]: 23: Hoare triple {121#true} havoc ~lk5~0; {121#true} is VALID [2020-07-11 00:59:01,290 INFO L280 TraceCheckUtils]: 24: Hoare triple {121#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {121#true} is VALID [2020-07-11 00:59:01,291 INFO L280 TraceCheckUtils]: 25: Hoare triple {121#true} ~p6~0 := #t~nondet5; {121#true} is VALID [2020-07-11 00:59:01,291 INFO L280 TraceCheckUtils]: 26: Hoare triple {121#true} havoc #t~nondet5; {121#true} is VALID [2020-07-11 00:59:01,291 INFO L280 TraceCheckUtils]: 27: Hoare triple {121#true} havoc ~lk6~0; {121#true} is VALID [2020-07-11 00:59:01,292 INFO L280 TraceCheckUtils]: 28: Hoare triple {121#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {121#true} is VALID [2020-07-11 00:59:01,292 INFO L280 TraceCheckUtils]: 29: Hoare triple {121#true} ~p7~0 := #t~nondet6; {121#true} is VALID [2020-07-11 00:59:01,292 INFO L280 TraceCheckUtils]: 30: Hoare triple {121#true} havoc #t~nondet6; {121#true} is VALID [2020-07-11 00:59:01,293 INFO L280 TraceCheckUtils]: 31: Hoare triple {121#true} havoc ~lk7~0; {121#true} is VALID [2020-07-11 00:59:01,293 INFO L280 TraceCheckUtils]: 32: Hoare triple {121#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {121#true} is VALID [2020-07-11 00:59:01,293 INFO L280 TraceCheckUtils]: 33: Hoare triple {121#true} ~p8~0 := #t~nondet7; {121#true} is VALID [2020-07-11 00:59:01,294 INFO L280 TraceCheckUtils]: 34: Hoare triple {121#true} havoc #t~nondet7; {121#true} is VALID [2020-07-11 00:59:01,294 INFO L280 TraceCheckUtils]: 35: Hoare triple {121#true} havoc ~lk8~0; {121#true} is VALID [2020-07-11 00:59:01,294 INFO L280 TraceCheckUtils]: 36: Hoare triple {121#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {121#true} is VALID [2020-07-11 00:59:01,295 INFO L280 TraceCheckUtils]: 37: Hoare triple {121#true} ~p9~0 := #t~nondet8; {121#true} is VALID [2020-07-11 00:59:01,295 INFO L280 TraceCheckUtils]: 38: Hoare triple {121#true} havoc #t~nondet8; {121#true} is VALID [2020-07-11 00:59:01,295 INFO L280 TraceCheckUtils]: 39: Hoare triple {121#true} havoc ~lk9~0; {121#true} is VALID [2020-07-11 00:59:01,296 INFO L280 TraceCheckUtils]: 40: Hoare triple {121#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {121#true} is VALID [2020-07-11 00:59:01,296 INFO L280 TraceCheckUtils]: 41: Hoare triple {121#true} ~p10~0 := #t~nondet9; {121#true} is VALID [2020-07-11 00:59:01,296 INFO L280 TraceCheckUtils]: 42: Hoare triple {121#true} havoc #t~nondet9; {121#true} is VALID [2020-07-11 00:59:01,297 INFO L280 TraceCheckUtils]: 43: Hoare triple {121#true} havoc ~lk10~0; {121#true} is VALID [2020-07-11 00:59:01,297 INFO L280 TraceCheckUtils]: 44: Hoare triple {121#true} havoc ~cond~0; {121#true} is VALID [2020-07-11 00:59:01,298 INFO L280 TraceCheckUtils]: 45: Hoare triple {121#true} assume !false; {121#true} is VALID [2020-07-11 00:59:01,298 INFO L280 TraceCheckUtils]: 46: Hoare triple {121#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {121#true} is VALID [2020-07-11 00:59:01,298 INFO L280 TraceCheckUtils]: 47: Hoare triple {121#true} ~cond~0 := #t~nondet10; {121#true} is VALID [2020-07-11 00:59:01,299 INFO L280 TraceCheckUtils]: 48: Hoare triple {121#true} havoc #t~nondet10; {121#true} is VALID [2020-07-11 00:59:01,299 INFO L280 TraceCheckUtils]: 49: Hoare triple {121#true} assume !(0 == ~cond~0); {121#true} is VALID [2020-07-11 00:59:01,299 INFO L280 TraceCheckUtils]: 50: Hoare triple {121#true} ~lk1~0 := 0; {121#true} is VALID [2020-07-11 00:59:01,300 INFO L280 TraceCheckUtils]: 51: Hoare triple {121#true} ~lk2~0 := 0; {121#true} is VALID [2020-07-11 00:59:01,300 INFO L280 TraceCheckUtils]: 52: Hoare triple {121#true} ~lk3~0 := 0; {121#true} is VALID [2020-07-11 00:59:01,300 INFO L280 TraceCheckUtils]: 53: Hoare triple {121#true} ~lk4~0 := 0; {121#true} is VALID [2020-07-11 00:59:01,301 INFO L280 TraceCheckUtils]: 54: Hoare triple {121#true} ~lk5~0 := 0; {121#true} is VALID [2020-07-11 00:59:01,301 INFO L280 TraceCheckUtils]: 55: Hoare triple {121#true} ~lk6~0 := 0; {121#true} is VALID [2020-07-11 00:59:01,301 INFO L280 TraceCheckUtils]: 56: Hoare triple {121#true} ~lk7~0 := 0; {121#true} is VALID [2020-07-11 00:59:01,302 INFO L280 TraceCheckUtils]: 57: Hoare triple {121#true} ~lk8~0 := 0; {121#true} is VALID [2020-07-11 00:59:01,302 INFO L280 TraceCheckUtils]: 58: Hoare triple {121#true} ~lk9~0 := 0; {121#true} is VALID [2020-07-11 00:59:01,302 INFO L280 TraceCheckUtils]: 59: Hoare triple {121#true} ~lk10~0 := 0; {121#true} is VALID [2020-07-11 00:59:01,304 INFO L280 TraceCheckUtils]: 60: Hoare triple {121#true} assume !(0 != ~p1~0); {125#(= 0 main_~p1~0)} is VALID [2020-07-11 00:59:01,307 INFO L280 TraceCheckUtils]: 61: Hoare triple {125#(= 0 main_~p1~0)} assume !(0 != ~p2~0); {125#(= 0 main_~p1~0)} is VALID [2020-07-11 00:59:01,308 INFO L280 TraceCheckUtils]: 62: Hoare triple {125#(= 0 main_~p1~0)} assume !(0 != ~p3~0); {125#(= 0 main_~p1~0)} is VALID [2020-07-11 00:59:01,310 INFO L280 TraceCheckUtils]: 63: Hoare triple {125#(= 0 main_~p1~0)} assume !(0 != ~p4~0); {125#(= 0 main_~p1~0)} is VALID [2020-07-11 00:59:01,314 INFO L280 TraceCheckUtils]: 64: Hoare triple {125#(= 0 main_~p1~0)} assume !(0 != ~p5~0); {125#(= 0 main_~p1~0)} is VALID [2020-07-11 00:59:01,315 INFO L280 TraceCheckUtils]: 65: Hoare triple {125#(= 0 main_~p1~0)} assume !(0 != ~p6~0); {125#(= 0 main_~p1~0)} is VALID [2020-07-11 00:59:01,316 INFO L280 TraceCheckUtils]: 66: Hoare triple {125#(= 0 main_~p1~0)} assume !(0 != ~p7~0); {125#(= 0 main_~p1~0)} is VALID [2020-07-11 00:59:01,317 INFO L280 TraceCheckUtils]: 67: Hoare triple {125#(= 0 main_~p1~0)} assume !(0 != ~p8~0); {125#(= 0 main_~p1~0)} is VALID [2020-07-11 00:59:01,318 INFO L280 TraceCheckUtils]: 68: Hoare triple {125#(= 0 main_~p1~0)} assume !(0 != ~p9~0); {125#(= 0 main_~p1~0)} is VALID [2020-07-11 00:59:01,319 INFO L280 TraceCheckUtils]: 69: Hoare triple {125#(= 0 main_~p1~0)} assume !(0 != ~p10~0); {125#(= 0 main_~p1~0)} is VALID [2020-07-11 00:59:01,320 INFO L280 TraceCheckUtils]: 70: Hoare triple {125#(= 0 main_~p1~0)} assume 0 != ~p1~0; {122#false} is VALID [2020-07-11 00:59:01,320 INFO L280 TraceCheckUtils]: 71: Hoare triple {122#false} assume 1 != ~lk1~0; {122#false} is VALID [2020-07-11 00:59:01,320 INFO L280 TraceCheckUtils]: 72: Hoare triple {122#false} assume !false; {122#false} is VALID [2020-07-11 00:59:01,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 00:59:01,334 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [246320356] [2020-07-11 00:59:01,337 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 00:59:01,337 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-11 00:59:01,338 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983687146] [2020-07-11 00:59:01,346 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2020-07-11 00:59:01,350 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:59:01,356 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-11 00:59:01,482 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 73 edges. 73 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:59:01,482 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-11 00:59:01,483 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:59:01,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-11 00:59:01,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-11 00:59:01,496 INFO L87 Difference]: Start difference. First operand 118 states. Second operand 3 states. [2020-07-11 00:59:02,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:59:02,064 INFO L93 Difference]: Finished difference Result 257 states and 353 transitions. [2020-07-11 00:59:02,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-11 00:59:02,065 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2020-07-11 00:59:02,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:59:02,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-11 00:59:02,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 353 transitions. [2020-07-11 00:59:02,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-11 00:59:02,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 353 transitions. [2020-07-11 00:59:02,098 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 353 transitions. [2020-07-11 00:59:02,536 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 353 edges. 353 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:59:02,559 INFO L225 Difference]: With dead ends: 257 [2020-07-11 00:59:02,559 INFO L226 Difference]: Without dead ends: 176 [2020-07-11 00:59:02,564 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-11 00:59:02,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2020-07-11 00:59:02,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 174. [2020-07-11 00:59:02,721 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:59:02,721 INFO L82 GeneralOperation]: Start isEquivalent. First operand 176 states. Second operand 174 states. [2020-07-11 00:59:02,722 INFO L74 IsIncluded]: Start isIncluded. First operand 176 states. Second operand 174 states. [2020-07-11 00:59:02,722 INFO L87 Difference]: Start difference. First operand 176 states. Second operand 174 states. [2020-07-11 00:59:02,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:59:02,737 INFO L93 Difference]: Finished difference Result 176 states and 231 transitions. [2020-07-11 00:59:02,737 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 231 transitions. [2020-07-11 00:59:02,739 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:59:02,739 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:59:02,740 INFO L74 IsIncluded]: Start isIncluded. First operand 174 states. Second operand 176 states. [2020-07-11 00:59:02,740 INFO L87 Difference]: Start difference. First operand 174 states. Second operand 176 states. [2020-07-11 00:59:02,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:59:02,752 INFO L93 Difference]: Finished difference Result 176 states and 231 transitions. [2020-07-11 00:59:02,753 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 231 transitions. [2020-07-11 00:59:02,754 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:59:02,755 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:59:02,755 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:59:02,755 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:59:02,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2020-07-11 00:59:02,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 230 transitions. [2020-07-11 00:59:02,766 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 230 transitions. Word has length 73 [2020-07-11 00:59:02,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:59:02,767 INFO L479 AbstractCegarLoop]: Abstraction has 174 states and 230 transitions. [2020-07-11 00:59:02,767 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-11 00:59:02,768 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 174 states and 230 transitions. [2020-07-11 00:59:03,016 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 230 edges. 230 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:59:03,016 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 230 transitions. [2020-07-11 00:59:03,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-07-11 00:59:03,019 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:59:03,019 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] [2020-07-11 00:59:03,020 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-11 00:59:03,020 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:59:03,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:59:03,021 INFO L82 PathProgramCache]: Analyzing trace with hash 328701044, now seen corresponding path program 1 times [2020-07-11 00:59:03,021 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:59:03,021 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1006578010] [2020-07-11 00:59:03,021 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:59:03,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:59:03,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:59:03,124 INFO L280 TraceCheckUtils]: 0: Hoare triple {1342#true} assume true; {1342#true} is VALID [2020-07-11 00:59:03,125 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1342#true} {1342#true} #271#return; {1342#true} is VALID [2020-07-11 00:59:03,125 INFO L263 TraceCheckUtils]: 0: Hoare triple {1342#true} call ULTIMATE.init(); {1342#true} is VALID [2020-07-11 00:59:03,126 INFO L280 TraceCheckUtils]: 1: Hoare triple {1342#true} assume true; {1342#true} is VALID [2020-07-11 00:59:03,126 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1342#true} {1342#true} #271#return; {1342#true} is VALID [2020-07-11 00:59:03,126 INFO L263 TraceCheckUtils]: 3: Hoare triple {1342#true} call #t~ret11 := main(); {1342#true} is VALID [2020-07-11 00:59:03,127 INFO L280 TraceCheckUtils]: 4: Hoare triple {1342#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {1342#true} is VALID [2020-07-11 00:59:03,127 INFO L280 TraceCheckUtils]: 5: Hoare triple {1342#true} ~p1~0 := #t~nondet0; {1342#true} is VALID [2020-07-11 00:59:03,127 INFO L280 TraceCheckUtils]: 6: Hoare triple {1342#true} havoc #t~nondet0; {1342#true} is VALID [2020-07-11 00:59:03,128 INFO L280 TraceCheckUtils]: 7: Hoare triple {1342#true} havoc ~lk1~0; {1342#true} is VALID [2020-07-11 00:59:03,128 INFO L280 TraceCheckUtils]: 8: Hoare triple {1342#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {1342#true} is VALID [2020-07-11 00:59:03,129 INFO L280 TraceCheckUtils]: 9: Hoare triple {1342#true} ~p2~0 := #t~nondet1; {1342#true} is VALID [2020-07-11 00:59:03,129 INFO L280 TraceCheckUtils]: 10: Hoare triple {1342#true} havoc #t~nondet1; {1342#true} is VALID [2020-07-11 00:59:03,129 INFO L280 TraceCheckUtils]: 11: Hoare triple {1342#true} havoc ~lk2~0; {1342#true} is VALID [2020-07-11 00:59:03,130 INFO L280 TraceCheckUtils]: 12: Hoare triple {1342#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {1342#true} is VALID [2020-07-11 00:59:03,130 INFO L280 TraceCheckUtils]: 13: Hoare triple {1342#true} ~p3~0 := #t~nondet2; {1342#true} is VALID [2020-07-11 00:59:03,130 INFO L280 TraceCheckUtils]: 14: Hoare triple {1342#true} havoc #t~nondet2; {1342#true} is VALID [2020-07-11 00:59:03,131 INFO L280 TraceCheckUtils]: 15: Hoare triple {1342#true} havoc ~lk3~0; {1342#true} is VALID [2020-07-11 00:59:03,131 INFO L280 TraceCheckUtils]: 16: Hoare triple {1342#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {1342#true} is VALID [2020-07-11 00:59:03,132 INFO L280 TraceCheckUtils]: 17: Hoare triple {1342#true} ~p4~0 := #t~nondet3; {1342#true} is VALID [2020-07-11 00:59:03,132 INFO L280 TraceCheckUtils]: 18: Hoare triple {1342#true} havoc #t~nondet3; {1342#true} is VALID [2020-07-11 00:59:03,132 INFO L280 TraceCheckUtils]: 19: Hoare triple {1342#true} havoc ~lk4~0; {1342#true} is VALID [2020-07-11 00:59:03,132 INFO L280 TraceCheckUtils]: 20: Hoare triple {1342#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {1342#true} is VALID [2020-07-11 00:59:03,133 INFO L280 TraceCheckUtils]: 21: Hoare triple {1342#true} ~p5~0 := #t~nondet4; {1342#true} is VALID [2020-07-11 00:59:03,133 INFO L280 TraceCheckUtils]: 22: Hoare triple {1342#true} havoc #t~nondet4; {1342#true} is VALID [2020-07-11 00:59:03,133 INFO L280 TraceCheckUtils]: 23: Hoare triple {1342#true} havoc ~lk5~0; {1342#true} is VALID [2020-07-11 00:59:03,134 INFO L280 TraceCheckUtils]: 24: Hoare triple {1342#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {1342#true} is VALID [2020-07-11 00:59:03,134 INFO L280 TraceCheckUtils]: 25: Hoare triple {1342#true} ~p6~0 := #t~nondet5; {1342#true} is VALID [2020-07-11 00:59:03,134 INFO L280 TraceCheckUtils]: 26: Hoare triple {1342#true} havoc #t~nondet5; {1342#true} is VALID [2020-07-11 00:59:03,135 INFO L280 TraceCheckUtils]: 27: Hoare triple {1342#true} havoc ~lk6~0; {1342#true} is VALID [2020-07-11 00:59:03,139 INFO L280 TraceCheckUtils]: 28: Hoare triple {1342#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {1342#true} is VALID [2020-07-11 00:59:03,139 INFO L280 TraceCheckUtils]: 29: Hoare triple {1342#true} ~p7~0 := #t~nondet6; {1342#true} is VALID [2020-07-11 00:59:03,139 INFO L280 TraceCheckUtils]: 30: Hoare triple {1342#true} havoc #t~nondet6; {1342#true} is VALID [2020-07-11 00:59:03,140 INFO L280 TraceCheckUtils]: 31: Hoare triple {1342#true} havoc ~lk7~0; {1342#true} is VALID [2020-07-11 00:59:03,140 INFO L280 TraceCheckUtils]: 32: Hoare triple {1342#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {1342#true} is VALID [2020-07-11 00:59:03,141 INFO L280 TraceCheckUtils]: 33: Hoare triple {1342#true} ~p8~0 := #t~nondet7; {1342#true} is VALID [2020-07-11 00:59:03,142 INFO L280 TraceCheckUtils]: 34: Hoare triple {1342#true} havoc #t~nondet7; {1342#true} is VALID [2020-07-11 00:59:03,142 INFO L280 TraceCheckUtils]: 35: Hoare triple {1342#true} havoc ~lk8~0; {1342#true} is VALID [2020-07-11 00:59:03,142 INFO L280 TraceCheckUtils]: 36: Hoare triple {1342#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {1342#true} is VALID [2020-07-11 00:59:03,143 INFO L280 TraceCheckUtils]: 37: Hoare triple {1342#true} ~p9~0 := #t~nondet8; {1342#true} is VALID [2020-07-11 00:59:03,143 INFO L280 TraceCheckUtils]: 38: Hoare triple {1342#true} havoc #t~nondet8; {1342#true} is VALID [2020-07-11 00:59:03,143 INFO L280 TraceCheckUtils]: 39: Hoare triple {1342#true} havoc ~lk9~0; {1342#true} is VALID [2020-07-11 00:59:03,144 INFO L280 TraceCheckUtils]: 40: Hoare triple {1342#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {1342#true} is VALID [2020-07-11 00:59:03,144 INFO L280 TraceCheckUtils]: 41: Hoare triple {1342#true} ~p10~0 := #t~nondet9; {1342#true} is VALID [2020-07-11 00:59:03,144 INFO L280 TraceCheckUtils]: 42: Hoare triple {1342#true} havoc #t~nondet9; {1342#true} is VALID [2020-07-11 00:59:03,154 INFO L280 TraceCheckUtils]: 43: Hoare triple {1342#true} havoc ~lk10~0; {1342#true} is VALID [2020-07-11 00:59:03,155 INFO L280 TraceCheckUtils]: 44: Hoare triple {1342#true} havoc ~cond~0; {1342#true} is VALID [2020-07-11 00:59:03,155 INFO L280 TraceCheckUtils]: 45: Hoare triple {1342#true} assume !false; {1342#true} is VALID [2020-07-11 00:59:03,155 INFO L280 TraceCheckUtils]: 46: Hoare triple {1342#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {1342#true} is VALID [2020-07-11 00:59:03,156 INFO L280 TraceCheckUtils]: 47: Hoare triple {1342#true} ~cond~0 := #t~nondet10; {1342#true} is VALID [2020-07-11 00:59:03,156 INFO L280 TraceCheckUtils]: 48: Hoare triple {1342#true} havoc #t~nondet10; {1342#true} is VALID [2020-07-11 00:59:03,156 INFO L280 TraceCheckUtils]: 49: Hoare triple {1342#true} assume !(0 == ~cond~0); {1342#true} is VALID [2020-07-11 00:59:03,156 INFO L280 TraceCheckUtils]: 50: Hoare triple {1342#true} ~lk1~0 := 0; {1342#true} is VALID [2020-07-11 00:59:03,157 INFO L280 TraceCheckUtils]: 51: Hoare triple {1342#true} ~lk2~0 := 0; {1342#true} is VALID [2020-07-11 00:59:03,157 INFO L280 TraceCheckUtils]: 52: Hoare triple {1342#true} ~lk3~0 := 0; {1342#true} is VALID [2020-07-11 00:59:03,159 INFO L280 TraceCheckUtils]: 53: Hoare triple {1342#true} ~lk4~0 := 0; {1342#true} is VALID [2020-07-11 00:59:03,159 INFO L280 TraceCheckUtils]: 54: Hoare triple {1342#true} ~lk5~0 := 0; {1342#true} is VALID [2020-07-11 00:59:03,160 INFO L280 TraceCheckUtils]: 55: Hoare triple {1342#true} ~lk6~0 := 0; {1342#true} is VALID [2020-07-11 00:59:03,160 INFO L280 TraceCheckUtils]: 56: Hoare triple {1342#true} ~lk7~0 := 0; {1342#true} is VALID [2020-07-11 00:59:03,160 INFO L280 TraceCheckUtils]: 57: Hoare triple {1342#true} ~lk8~0 := 0; {1342#true} is VALID [2020-07-11 00:59:03,161 INFO L280 TraceCheckUtils]: 58: Hoare triple {1342#true} ~lk9~0 := 0; {1342#true} is VALID [2020-07-11 00:59:03,161 INFO L280 TraceCheckUtils]: 59: Hoare triple {1342#true} ~lk10~0 := 0; {1342#true} is VALID [2020-07-11 00:59:03,161 INFO L280 TraceCheckUtils]: 60: Hoare triple {1342#true} assume 0 != ~p1~0; {1342#true} is VALID [2020-07-11 00:59:03,165 INFO L280 TraceCheckUtils]: 61: Hoare triple {1342#true} ~lk1~0 := 1; {1346#(= 1 main_~lk1~0)} is VALID [2020-07-11 00:59:03,166 INFO L280 TraceCheckUtils]: 62: Hoare triple {1346#(= 1 main_~lk1~0)} assume !(0 != ~p2~0); {1346#(= 1 main_~lk1~0)} is VALID [2020-07-11 00:59:03,166 INFO L280 TraceCheckUtils]: 63: Hoare triple {1346#(= 1 main_~lk1~0)} assume !(0 != ~p3~0); {1346#(= 1 main_~lk1~0)} is VALID [2020-07-11 00:59:03,167 INFO L280 TraceCheckUtils]: 64: Hoare triple {1346#(= 1 main_~lk1~0)} assume !(0 != ~p4~0); {1346#(= 1 main_~lk1~0)} is VALID [2020-07-11 00:59:03,168 INFO L280 TraceCheckUtils]: 65: Hoare triple {1346#(= 1 main_~lk1~0)} assume !(0 != ~p5~0); {1346#(= 1 main_~lk1~0)} is VALID [2020-07-11 00:59:03,168 INFO L280 TraceCheckUtils]: 66: Hoare triple {1346#(= 1 main_~lk1~0)} assume !(0 != ~p6~0); {1346#(= 1 main_~lk1~0)} is VALID [2020-07-11 00:59:03,169 INFO L280 TraceCheckUtils]: 67: Hoare triple {1346#(= 1 main_~lk1~0)} assume !(0 != ~p7~0); {1346#(= 1 main_~lk1~0)} is VALID [2020-07-11 00:59:03,169 INFO L280 TraceCheckUtils]: 68: Hoare triple {1346#(= 1 main_~lk1~0)} assume !(0 != ~p8~0); {1346#(= 1 main_~lk1~0)} is VALID [2020-07-11 00:59:03,170 INFO L280 TraceCheckUtils]: 69: Hoare triple {1346#(= 1 main_~lk1~0)} assume !(0 != ~p9~0); {1346#(= 1 main_~lk1~0)} is VALID [2020-07-11 00:59:03,170 INFO L280 TraceCheckUtils]: 70: Hoare triple {1346#(= 1 main_~lk1~0)} assume !(0 != ~p10~0); {1346#(= 1 main_~lk1~0)} is VALID [2020-07-11 00:59:03,171 INFO L280 TraceCheckUtils]: 71: Hoare triple {1346#(= 1 main_~lk1~0)} assume 0 != ~p1~0; {1346#(= 1 main_~lk1~0)} is VALID [2020-07-11 00:59:03,172 INFO L280 TraceCheckUtils]: 72: Hoare triple {1346#(= 1 main_~lk1~0)} assume 1 != ~lk1~0; {1343#false} is VALID [2020-07-11 00:59:03,172 INFO L280 TraceCheckUtils]: 73: Hoare triple {1343#false} assume !false; {1343#false} is VALID [2020-07-11 00:59:03,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 00:59:03,179 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1006578010] [2020-07-11 00:59:03,179 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 00:59:03,179 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-11 00:59:03,180 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667954730] [2020-07-11 00:59:03,181 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2020-07-11 00:59:03,183 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:59:03,184 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-11 00:59:03,257 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 74 edges. 74 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:59:03,258 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-11 00:59:03,259 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:59:03,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-11 00:59:03,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-11 00:59:03,260 INFO L87 Difference]: Start difference. First operand 174 states and 230 transitions. Second operand 3 states. [2020-07-11 00:59:03,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:59:03,740 INFO L93 Difference]: Finished difference Result 211 states and 283 transitions. [2020-07-11 00:59:03,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-11 00:59:03,740 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2020-07-11 00:59:03,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:59:03,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-11 00:59:03,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 222 transitions. [2020-07-11 00:59:03,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-11 00:59:03,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 222 transitions. [2020-07-11 00:59:03,750 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 222 transitions. [2020-07-11 00:59:03,981 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 222 edges. 222 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:59:03,987 INFO L225 Difference]: With dead ends: 211 [2020-07-11 00:59:03,988 INFO L226 Difference]: Without dead ends: 209 [2020-07-11 00:59:03,989 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-11 00:59:03,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2020-07-11 00:59:04,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 174. [2020-07-11 00:59:04,173 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:59:04,173 INFO L82 GeneralOperation]: Start isEquivalent. First operand 209 states. Second operand 174 states. [2020-07-11 00:59:04,173 INFO L74 IsIncluded]: Start isIncluded. First operand 209 states. Second operand 174 states. [2020-07-11 00:59:04,173 INFO L87 Difference]: Start difference. First operand 209 states. Second operand 174 states. [2020-07-11 00:59:04,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:59:04,191 INFO L93 Difference]: Finished difference Result 209 states and 281 transitions. [2020-07-11 00:59:04,191 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 281 transitions. [2020-07-11 00:59:04,192 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:59:04,193 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:59:04,193 INFO L74 IsIncluded]: Start isIncluded. First operand 174 states. Second operand 209 states. [2020-07-11 00:59:04,193 INFO L87 Difference]: Start difference. First operand 174 states. Second operand 209 states. [2020-07-11 00:59:04,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:59:04,210 INFO L93 Difference]: Finished difference Result 209 states and 281 transitions. [2020-07-11 00:59:04,211 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 281 transitions. [2020-07-11 00:59:04,211 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:59:04,211 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:59:04,212 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:59:04,212 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:59:04,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2020-07-11 00:59:04,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 229 transitions. [2020-07-11 00:59:04,225 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 229 transitions. Word has length 74 [2020-07-11 00:59:04,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:59:04,225 INFO L479 AbstractCegarLoop]: Abstraction has 174 states and 229 transitions. [2020-07-11 00:59:04,225 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-11 00:59:04,225 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 174 states and 229 transitions. [2020-07-11 00:59:04,488 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 229 edges. 229 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:59:04,489 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 229 transitions. [2020-07-11 00:59:04,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-07-11 00:59:04,491 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:59:04,492 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] [2020-07-11 00:59:04,492 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-11 00:59:04,492 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:59:04,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:59:04,493 INFO L82 PathProgramCache]: Analyzing trace with hash 1972879950, now seen corresponding path program 1 times [2020-07-11 00:59:04,493 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:59:04,493 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [489629209] [2020-07-11 00:59:04,493 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:59:04,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:59:04,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:59:04,597 INFO L280 TraceCheckUtils]: 0: Hoare triple {2537#true} assume true; {2537#true} is VALID [2020-07-11 00:59:04,597 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2537#true} {2537#true} #271#return; {2537#true} is VALID [2020-07-11 00:59:04,597 INFO L263 TraceCheckUtils]: 0: Hoare triple {2537#true} call ULTIMATE.init(); {2537#true} is VALID [2020-07-11 00:59:04,597 INFO L280 TraceCheckUtils]: 1: Hoare triple {2537#true} assume true; {2537#true} is VALID [2020-07-11 00:59:04,598 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2537#true} {2537#true} #271#return; {2537#true} is VALID [2020-07-11 00:59:04,598 INFO L263 TraceCheckUtils]: 3: Hoare triple {2537#true} call #t~ret11 := main(); {2537#true} is VALID [2020-07-11 00:59:04,598 INFO L280 TraceCheckUtils]: 4: Hoare triple {2537#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {2537#true} is VALID [2020-07-11 00:59:04,598 INFO L280 TraceCheckUtils]: 5: Hoare triple {2537#true} ~p1~0 := #t~nondet0; {2537#true} is VALID [2020-07-11 00:59:04,599 INFO L280 TraceCheckUtils]: 6: Hoare triple {2537#true} havoc #t~nondet0; {2537#true} is VALID [2020-07-11 00:59:04,599 INFO L280 TraceCheckUtils]: 7: Hoare triple {2537#true} havoc ~lk1~0; {2537#true} is VALID [2020-07-11 00:59:04,599 INFO L280 TraceCheckUtils]: 8: Hoare triple {2537#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {2537#true} is VALID [2020-07-11 00:59:04,599 INFO L280 TraceCheckUtils]: 9: Hoare triple {2537#true} ~p2~0 := #t~nondet1; {2537#true} is VALID [2020-07-11 00:59:04,600 INFO L280 TraceCheckUtils]: 10: Hoare triple {2537#true} havoc #t~nondet1; {2537#true} is VALID [2020-07-11 00:59:04,600 INFO L280 TraceCheckUtils]: 11: Hoare triple {2537#true} havoc ~lk2~0; {2537#true} is VALID [2020-07-11 00:59:04,600 INFO L280 TraceCheckUtils]: 12: Hoare triple {2537#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {2537#true} is VALID [2020-07-11 00:59:04,600 INFO L280 TraceCheckUtils]: 13: Hoare triple {2537#true} ~p3~0 := #t~nondet2; {2537#true} is VALID [2020-07-11 00:59:04,601 INFO L280 TraceCheckUtils]: 14: Hoare triple {2537#true} havoc #t~nondet2; {2537#true} is VALID [2020-07-11 00:59:04,601 INFO L280 TraceCheckUtils]: 15: Hoare triple {2537#true} havoc ~lk3~0; {2537#true} is VALID [2020-07-11 00:59:04,601 INFO L280 TraceCheckUtils]: 16: Hoare triple {2537#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {2537#true} is VALID [2020-07-11 00:59:04,601 INFO L280 TraceCheckUtils]: 17: Hoare triple {2537#true} ~p4~0 := #t~nondet3; {2537#true} is VALID [2020-07-11 00:59:04,602 INFO L280 TraceCheckUtils]: 18: Hoare triple {2537#true} havoc #t~nondet3; {2537#true} is VALID [2020-07-11 00:59:04,602 INFO L280 TraceCheckUtils]: 19: Hoare triple {2537#true} havoc ~lk4~0; {2537#true} is VALID [2020-07-11 00:59:04,602 INFO L280 TraceCheckUtils]: 20: Hoare triple {2537#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {2537#true} is VALID [2020-07-11 00:59:04,602 INFO L280 TraceCheckUtils]: 21: Hoare triple {2537#true} ~p5~0 := #t~nondet4; {2537#true} is VALID [2020-07-11 00:59:04,603 INFO L280 TraceCheckUtils]: 22: Hoare triple {2537#true} havoc #t~nondet4; {2537#true} is VALID [2020-07-11 00:59:04,603 INFO L280 TraceCheckUtils]: 23: Hoare triple {2537#true} havoc ~lk5~0; {2537#true} is VALID [2020-07-11 00:59:04,603 INFO L280 TraceCheckUtils]: 24: Hoare triple {2537#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {2537#true} is VALID [2020-07-11 00:59:04,603 INFO L280 TraceCheckUtils]: 25: Hoare triple {2537#true} ~p6~0 := #t~nondet5; {2537#true} is VALID [2020-07-11 00:59:04,604 INFO L280 TraceCheckUtils]: 26: Hoare triple {2537#true} havoc #t~nondet5; {2537#true} is VALID [2020-07-11 00:59:04,604 INFO L280 TraceCheckUtils]: 27: Hoare triple {2537#true} havoc ~lk6~0; {2537#true} is VALID [2020-07-11 00:59:04,604 INFO L280 TraceCheckUtils]: 28: Hoare triple {2537#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {2537#true} is VALID [2020-07-11 00:59:04,604 INFO L280 TraceCheckUtils]: 29: Hoare triple {2537#true} ~p7~0 := #t~nondet6; {2537#true} is VALID [2020-07-11 00:59:04,605 INFO L280 TraceCheckUtils]: 30: Hoare triple {2537#true} havoc #t~nondet6; {2537#true} is VALID [2020-07-11 00:59:04,605 INFO L280 TraceCheckUtils]: 31: Hoare triple {2537#true} havoc ~lk7~0; {2537#true} is VALID [2020-07-11 00:59:04,605 INFO L280 TraceCheckUtils]: 32: Hoare triple {2537#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {2537#true} is VALID [2020-07-11 00:59:04,605 INFO L280 TraceCheckUtils]: 33: Hoare triple {2537#true} ~p8~0 := #t~nondet7; {2537#true} is VALID [2020-07-11 00:59:04,606 INFO L280 TraceCheckUtils]: 34: Hoare triple {2537#true} havoc #t~nondet7; {2537#true} is VALID [2020-07-11 00:59:04,606 INFO L280 TraceCheckUtils]: 35: Hoare triple {2537#true} havoc ~lk8~0; {2537#true} is VALID [2020-07-11 00:59:04,606 INFO L280 TraceCheckUtils]: 36: Hoare triple {2537#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {2537#true} is VALID [2020-07-11 00:59:04,606 INFO L280 TraceCheckUtils]: 37: Hoare triple {2537#true} ~p9~0 := #t~nondet8; {2537#true} is VALID [2020-07-11 00:59:04,607 INFO L280 TraceCheckUtils]: 38: Hoare triple {2537#true} havoc #t~nondet8; {2537#true} is VALID [2020-07-11 00:59:04,607 INFO L280 TraceCheckUtils]: 39: Hoare triple {2537#true} havoc ~lk9~0; {2537#true} is VALID [2020-07-11 00:59:04,607 INFO L280 TraceCheckUtils]: 40: Hoare triple {2537#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {2537#true} is VALID [2020-07-11 00:59:04,607 INFO L280 TraceCheckUtils]: 41: Hoare triple {2537#true} ~p10~0 := #t~nondet9; {2537#true} is VALID [2020-07-11 00:59:04,608 INFO L280 TraceCheckUtils]: 42: Hoare triple {2537#true} havoc #t~nondet9; {2537#true} is VALID [2020-07-11 00:59:04,608 INFO L280 TraceCheckUtils]: 43: Hoare triple {2537#true} havoc ~lk10~0; {2537#true} is VALID [2020-07-11 00:59:04,608 INFO L280 TraceCheckUtils]: 44: Hoare triple {2537#true} havoc ~cond~0; {2537#true} is VALID [2020-07-11 00:59:04,608 INFO L280 TraceCheckUtils]: 45: Hoare triple {2537#true} assume !false; {2537#true} is VALID [2020-07-11 00:59:04,609 INFO L280 TraceCheckUtils]: 46: Hoare triple {2537#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {2537#true} is VALID [2020-07-11 00:59:04,609 INFO L280 TraceCheckUtils]: 47: Hoare triple {2537#true} ~cond~0 := #t~nondet10; {2537#true} is VALID [2020-07-11 00:59:04,609 INFO L280 TraceCheckUtils]: 48: Hoare triple {2537#true} havoc #t~nondet10; {2537#true} is VALID [2020-07-11 00:59:04,609 INFO L280 TraceCheckUtils]: 49: Hoare triple {2537#true} assume !(0 == ~cond~0); {2537#true} is VALID [2020-07-11 00:59:04,610 INFO L280 TraceCheckUtils]: 50: Hoare triple {2537#true} ~lk1~0 := 0; {2537#true} is VALID [2020-07-11 00:59:04,610 INFO L280 TraceCheckUtils]: 51: Hoare triple {2537#true} ~lk2~0 := 0; {2537#true} is VALID [2020-07-11 00:59:04,610 INFO L280 TraceCheckUtils]: 52: Hoare triple {2537#true} ~lk3~0 := 0; {2537#true} is VALID [2020-07-11 00:59:04,610 INFO L280 TraceCheckUtils]: 53: Hoare triple {2537#true} ~lk4~0 := 0; {2537#true} is VALID [2020-07-11 00:59:04,611 INFO L280 TraceCheckUtils]: 54: Hoare triple {2537#true} ~lk5~0 := 0; {2537#true} is VALID [2020-07-11 00:59:04,611 INFO L280 TraceCheckUtils]: 55: Hoare triple {2537#true} ~lk6~0 := 0; {2537#true} is VALID [2020-07-11 00:59:04,611 INFO L280 TraceCheckUtils]: 56: Hoare triple {2537#true} ~lk7~0 := 0; {2537#true} is VALID [2020-07-11 00:59:04,611 INFO L280 TraceCheckUtils]: 57: Hoare triple {2537#true} ~lk8~0 := 0; {2537#true} is VALID [2020-07-11 00:59:04,612 INFO L280 TraceCheckUtils]: 58: Hoare triple {2537#true} ~lk9~0 := 0; {2537#true} is VALID [2020-07-11 00:59:04,612 INFO L280 TraceCheckUtils]: 59: Hoare triple {2537#true} ~lk10~0 := 0; {2537#true} is VALID [2020-07-11 00:59:04,612 INFO L280 TraceCheckUtils]: 60: Hoare triple {2537#true} assume !(0 != ~p1~0); {2537#true} is VALID [2020-07-11 00:59:04,613 INFO L280 TraceCheckUtils]: 61: Hoare triple {2537#true} assume !(0 != ~p2~0); {2541#(= 0 main_~p2~0)} is VALID [2020-07-11 00:59:04,615 INFO L280 TraceCheckUtils]: 62: Hoare triple {2541#(= 0 main_~p2~0)} assume !(0 != ~p3~0); {2541#(= 0 main_~p2~0)} is VALID [2020-07-11 00:59:04,616 INFO L280 TraceCheckUtils]: 63: Hoare triple {2541#(= 0 main_~p2~0)} assume !(0 != ~p4~0); {2541#(= 0 main_~p2~0)} is VALID [2020-07-11 00:59:04,617 INFO L280 TraceCheckUtils]: 64: Hoare triple {2541#(= 0 main_~p2~0)} assume !(0 != ~p5~0); {2541#(= 0 main_~p2~0)} is VALID [2020-07-11 00:59:04,618 INFO L280 TraceCheckUtils]: 65: Hoare triple {2541#(= 0 main_~p2~0)} assume !(0 != ~p6~0); {2541#(= 0 main_~p2~0)} is VALID [2020-07-11 00:59:04,618 INFO L280 TraceCheckUtils]: 66: Hoare triple {2541#(= 0 main_~p2~0)} assume !(0 != ~p7~0); {2541#(= 0 main_~p2~0)} is VALID [2020-07-11 00:59:04,619 INFO L280 TraceCheckUtils]: 67: Hoare triple {2541#(= 0 main_~p2~0)} assume !(0 != ~p8~0); {2541#(= 0 main_~p2~0)} is VALID [2020-07-11 00:59:04,620 INFO L280 TraceCheckUtils]: 68: Hoare triple {2541#(= 0 main_~p2~0)} assume !(0 != ~p9~0); {2541#(= 0 main_~p2~0)} is VALID [2020-07-11 00:59:04,621 INFO L280 TraceCheckUtils]: 69: Hoare triple {2541#(= 0 main_~p2~0)} assume !(0 != ~p10~0); {2541#(= 0 main_~p2~0)} is VALID [2020-07-11 00:59:04,622 INFO L280 TraceCheckUtils]: 70: Hoare triple {2541#(= 0 main_~p2~0)} assume !(0 != ~p1~0); {2541#(= 0 main_~p2~0)} is VALID [2020-07-11 00:59:04,623 INFO L280 TraceCheckUtils]: 71: Hoare triple {2541#(= 0 main_~p2~0)} assume 0 != ~p2~0; {2538#false} is VALID [2020-07-11 00:59:04,623 INFO L280 TraceCheckUtils]: 72: Hoare triple {2538#false} assume 1 != ~lk2~0; {2538#false} is VALID [2020-07-11 00:59:04,624 INFO L280 TraceCheckUtils]: 73: Hoare triple {2538#false} assume !false; {2538#false} is VALID [2020-07-11 00:59:04,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 00:59:04,629 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [489629209] [2020-07-11 00:59:04,629 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 00:59:04,629 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-11 00:59:04,630 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742158060] [2020-07-11 00:59:04,630 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2020-07-11 00:59:04,631 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:59:04,631 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-11 00:59:04,698 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 74 edges. 74 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:59:04,698 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-11 00:59:04,699 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:59:04,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-11 00:59:04,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-11 00:59:04,699 INFO L87 Difference]: Start difference. First operand 174 states and 229 transitions. Second operand 3 states. [2020-07-11 00:59:05,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:59:05,322 INFO L93 Difference]: Finished difference Result 426 states and 589 transitions. [2020-07-11 00:59:05,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-11 00:59:05,323 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2020-07-11 00:59:05,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:59:05,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-11 00:59:05,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 326 transitions. [2020-07-11 00:59:05,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-11 00:59:05,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 326 transitions. [2020-07-11 00:59:05,334 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 326 transitions. [2020-07-11 00:59:05,679 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 326 edges. 326 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:59:05,687 INFO L225 Difference]: With dead ends: 426 [2020-07-11 00:59:05,687 INFO L226 Difference]: Without dead ends: 297 [2020-07-11 00:59:05,689 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-11 00:59:05,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2020-07-11 00:59:05,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 295. [2020-07-11 00:59:05,967 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:59:05,968 INFO L82 GeneralOperation]: Start isEquivalent. First operand 297 states. Second operand 295 states. [2020-07-11 00:59:05,968 INFO L74 IsIncluded]: Start isIncluded. First operand 297 states. Second operand 295 states. [2020-07-11 00:59:05,968 INFO L87 Difference]: Start difference. First operand 297 states. Second operand 295 states. [2020-07-11 00:59:05,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:59:05,980 INFO L93 Difference]: Finished difference Result 297 states and 401 transitions. [2020-07-11 00:59:05,981 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 401 transitions. [2020-07-11 00:59:05,981 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:59:05,982 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:59:05,982 INFO L74 IsIncluded]: Start isIncluded. First operand 295 states. Second operand 297 states. [2020-07-11 00:59:05,982 INFO L87 Difference]: Start difference. First operand 295 states. Second operand 297 states. [2020-07-11 00:59:05,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:59:05,994 INFO L93 Difference]: Finished difference Result 297 states and 401 transitions. [2020-07-11 00:59:05,994 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 401 transitions. [2020-07-11 00:59:05,995 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:59:05,995 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:59:05,995 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:59:05,995 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:59:05,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2020-07-11 00:59:06,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 400 transitions. [2020-07-11 00:59:06,006 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 400 transitions. Word has length 74 [2020-07-11 00:59:06,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:59:06,007 INFO L479 AbstractCegarLoop]: Abstraction has 295 states and 400 transitions. [2020-07-11 00:59:06,007 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-11 00:59:06,007 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 295 states and 400 transitions. [2020-07-11 00:59:06,459 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 400 edges. 400 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:59:06,460 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 400 transitions. [2020-07-11 00:59:06,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-07-11 00:59:06,462 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:59:06,462 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] [2020-07-11 00:59:06,462 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-11 00:59:06,462 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:59:06,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:59:06,463 INFO L82 PathProgramCache]: Analyzing trace with hash -618815907, now seen corresponding path program 1 times [2020-07-11 00:59:06,463 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:59:06,463 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1130426404] [2020-07-11 00:59:06,463 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:59:06,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:59:06,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:59:06,518 INFO L280 TraceCheckUtils]: 0: Hoare triple {4580#true} assume true; {4580#true} is VALID [2020-07-11 00:59:06,518 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {4580#true} {4580#true} #271#return; {4580#true} is VALID [2020-07-11 00:59:06,518 INFO L263 TraceCheckUtils]: 0: Hoare triple {4580#true} call ULTIMATE.init(); {4580#true} is VALID [2020-07-11 00:59:06,518 INFO L280 TraceCheckUtils]: 1: Hoare triple {4580#true} assume true; {4580#true} is VALID [2020-07-11 00:59:06,519 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {4580#true} {4580#true} #271#return; {4580#true} is VALID [2020-07-11 00:59:06,519 INFO L263 TraceCheckUtils]: 3: Hoare triple {4580#true} call #t~ret11 := main(); {4580#true} is VALID [2020-07-11 00:59:06,519 INFO L280 TraceCheckUtils]: 4: Hoare triple {4580#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {4580#true} is VALID [2020-07-11 00:59:06,519 INFO L280 TraceCheckUtils]: 5: Hoare triple {4580#true} ~p1~0 := #t~nondet0; {4580#true} is VALID [2020-07-11 00:59:06,520 INFO L280 TraceCheckUtils]: 6: Hoare triple {4580#true} havoc #t~nondet0; {4580#true} is VALID [2020-07-11 00:59:06,520 INFO L280 TraceCheckUtils]: 7: Hoare triple {4580#true} havoc ~lk1~0; {4580#true} is VALID [2020-07-11 00:59:06,520 INFO L280 TraceCheckUtils]: 8: Hoare triple {4580#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {4580#true} is VALID [2020-07-11 00:59:06,520 INFO L280 TraceCheckUtils]: 9: Hoare triple {4580#true} ~p2~0 := #t~nondet1; {4580#true} is VALID [2020-07-11 00:59:06,521 INFO L280 TraceCheckUtils]: 10: Hoare triple {4580#true} havoc #t~nondet1; {4580#true} is VALID [2020-07-11 00:59:06,521 INFO L280 TraceCheckUtils]: 11: Hoare triple {4580#true} havoc ~lk2~0; {4580#true} is VALID [2020-07-11 00:59:06,521 INFO L280 TraceCheckUtils]: 12: Hoare triple {4580#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {4580#true} is VALID [2020-07-11 00:59:06,521 INFO L280 TraceCheckUtils]: 13: Hoare triple {4580#true} ~p3~0 := #t~nondet2; {4580#true} is VALID [2020-07-11 00:59:06,521 INFO L280 TraceCheckUtils]: 14: Hoare triple {4580#true} havoc #t~nondet2; {4580#true} is VALID [2020-07-11 00:59:06,522 INFO L280 TraceCheckUtils]: 15: Hoare triple {4580#true} havoc ~lk3~0; {4580#true} is VALID [2020-07-11 00:59:06,522 INFO L280 TraceCheckUtils]: 16: Hoare triple {4580#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {4580#true} is VALID [2020-07-11 00:59:06,522 INFO L280 TraceCheckUtils]: 17: Hoare triple {4580#true} ~p4~0 := #t~nondet3; {4580#true} is VALID [2020-07-11 00:59:06,522 INFO L280 TraceCheckUtils]: 18: Hoare triple {4580#true} havoc #t~nondet3; {4580#true} is VALID [2020-07-11 00:59:06,522 INFO L280 TraceCheckUtils]: 19: Hoare triple {4580#true} havoc ~lk4~0; {4580#true} is VALID [2020-07-11 00:59:06,523 INFO L280 TraceCheckUtils]: 20: Hoare triple {4580#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {4580#true} is VALID [2020-07-11 00:59:06,523 INFO L280 TraceCheckUtils]: 21: Hoare triple {4580#true} ~p5~0 := #t~nondet4; {4580#true} is VALID [2020-07-11 00:59:06,523 INFO L280 TraceCheckUtils]: 22: Hoare triple {4580#true} havoc #t~nondet4; {4580#true} is VALID [2020-07-11 00:59:06,523 INFO L280 TraceCheckUtils]: 23: Hoare triple {4580#true} havoc ~lk5~0; {4580#true} is VALID [2020-07-11 00:59:06,524 INFO L280 TraceCheckUtils]: 24: Hoare triple {4580#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {4580#true} is VALID [2020-07-11 00:59:06,524 INFO L280 TraceCheckUtils]: 25: Hoare triple {4580#true} ~p6~0 := #t~nondet5; {4580#true} is VALID [2020-07-11 00:59:06,524 INFO L280 TraceCheckUtils]: 26: Hoare triple {4580#true} havoc #t~nondet5; {4580#true} is VALID [2020-07-11 00:59:06,524 INFO L280 TraceCheckUtils]: 27: Hoare triple {4580#true} havoc ~lk6~0; {4580#true} is VALID [2020-07-11 00:59:06,525 INFO L280 TraceCheckUtils]: 28: Hoare triple {4580#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {4580#true} is VALID [2020-07-11 00:59:06,525 INFO L280 TraceCheckUtils]: 29: Hoare triple {4580#true} ~p7~0 := #t~nondet6; {4580#true} is VALID [2020-07-11 00:59:06,525 INFO L280 TraceCheckUtils]: 30: Hoare triple {4580#true} havoc #t~nondet6; {4580#true} is VALID [2020-07-11 00:59:06,525 INFO L280 TraceCheckUtils]: 31: Hoare triple {4580#true} havoc ~lk7~0; {4580#true} is VALID [2020-07-11 00:59:06,526 INFO L280 TraceCheckUtils]: 32: Hoare triple {4580#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {4580#true} is VALID [2020-07-11 00:59:06,526 INFO L280 TraceCheckUtils]: 33: Hoare triple {4580#true} ~p8~0 := #t~nondet7; {4580#true} is VALID [2020-07-11 00:59:06,526 INFO L280 TraceCheckUtils]: 34: Hoare triple {4580#true} havoc #t~nondet7; {4580#true} is VALID [2020-07-11 00:59:06,526 INFO L280 TraceCheckUtils]: 35: Hoare triple {4580#true} havoc ~lk8~0; {4580#true} is VALID [2020-07-11 00:59:06,526 INFO L280 TraceCheckUtils]: 36: Hoare triple {4580#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {4580#true} is VALID [2020-07-11 00:59:06,527 INFO L280 TraceCheckUtils]: 37: Hoare triple {4580#true} ~p9~0 := #t~nondet8; {4580#true} is VALID [2020-07-11 00:59:06,527 INFO L280 TraceCheckUtils]: 38: Hoare triple {4580#true} havoc #t~nondet8; {4580#true} is VALID [2020-07-11 00:59:06,527 INFO L280 TraceCheckUtils]: 39: Hoare triple {4580#true} havoc ~lk9~0; {4580#true} is VALID [2020-07-11 00:59:06,527 INFO L280 TraceCheckUtils]: 40: Hoare triple {4580#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {4580#true} is VALID [2020-07-11 00:59:06,527 INFO L280 TraceCheckUtils]: 41: Hoare triple {4580#true} ~p10~0 := #t~nondet9; {4580#true} is VALID [2020-07-11 00:59:06,528 INFO L280 TraceCheckUtils]: 42: Hoare triple {4580#true} havoc #t~nondet9; {4580#true} is VALID [2020-07-11 00:59:06,528 INFO L280 TraceCheckUtils]: 43: Hoare triple {4580#true} havoc ~lk10~0; {4580#true} is VALID [2020-07-11 00:59:06,528 INFO L280 TraceCheckUtils]: 44: Hoare triple {4580#true} havoc ~cond~0; {4580#true} is VALID [2020-07-11 00:59:06,528 INFO L280 TraceCheckUtils]: 45: Hoare triple {4580#true} assume !false; {4580#true} is VALID [2020-07-11 00:59:06,529 INFO L280 TraceCheckUtils]: 46: Hoare triple {4580#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {4580#true} is VALID [2020-07-11 00:59:06,529 INFO L280 TraceCheckUtils]: 47: Hoare triple {4580#true} ~cond~0 := #t~nondet10; {4580#true} is VALID [2020-07-11 00:59:06,529 INFO L280 TraceCheckUtils]: 48: Hoare triple {4580#true} havoc #t~nondet10; {4580#true} is VALID [2020-07-11 00:59:06,529 INFO L280 TraceCheckUtils]: 49: Hoare triple {4580#true} assume !(0 == ~cond~0); {4580#true} is VALID [2020-07-11 00:59:06,530 INFO L280 TraceCheckUtils]: 50: Hoare triple {4580#true} ~lk1~0 := 0; {4580#true} is VALID [2020-07-11 00:59:06,530 INFO L280 TraceCheckUtils]: 51: Hoare triple {4580#true} ~lk2~0 := 0; {4580#true} is VALID [2020-07-11 00:59:06,530 INFO L280 TraceCheckUtils]: 52: Hoare triple {4580#true} ~lk3~0 := 0; {4580#true} is VALID [2020-07-11 00:59:06,530 INFO L280 TraceCheckUtils]: 53: Hoare triple {4580#true} ~lk4~0 := 0; {4580#true} is VALID [2020-07-11 00:59:06,531 INFO L280 TraceCheckUtils]: 54: Hoare triple {4580#true} ~lk5~0 := 0; {4580#true} is VALID [2020-07-11 00:59:06,531 INFO L280 TraceCheckUtils]: 55: Hoare triple {4580#true} ~lk6~0 := 0; {4580#true} is VALID [2020-07-11 00:59:06,531 INFO L280 TraceCheckUtils]: 56: Hoare triple {4580#true} ~lk7~0 := 0; {4580#true} is VALID [2020-07-11 00:59:06,531 INFO L280 TraceCheckUtils]: 57: Hoare triple {4580#true} ~lk8~0 := 0; {4580#true} is VALID [2020-07-11 00:59:06,531 INFO L280 TraceCheckUtils]: 58: Hoare triple {4580#true} ~lk9~0 := 0; {4580#true} is VALID [2020-07-11 00:59:06,532 INFO L280 TraceCheckUtils]: 59: Hoare triple {4580#true} ~lk10~0 := 0; {4580#true} is VALID [2020-07-11 00:59:06,532 INFO L280 TraceCheckUtils]: 60: Hoare triple {4580#true} assume !(0 != ~p1~0); {4580#true} is VALID [2020-07-11 00:59:06,532 INFO L280 TraceCheckUtils]: 61: Hoare triple {4580#true} assume 0 != ~p2~0; {4580#true} is VALID [2020-07-11 00:59:06,533 INFO L280 TraceCheckUtils]: 62: Hoare triple {4580#true} ~lk2~0 := 1; {4584#(= 1 main_~lk2~0)} is VALID [2020-07-11 00:59:06,533 INFO L280 TraceCheckUtils]: 63: Hoare triple {4584#(= 1 main_~lk2~0)} assume !(0 != ~p3~0); {4584#(= 1 main_~lk2~0)} is VALID [2020-07-11 00:59:06,534 INFO L280 TraceCheckUtils]: 64: Hoare triple {4584#(= 1 main_~lk2~0)} assume !(0 != ~p4~0); {4584#(= 1 main_~lk2~0)} is VALID [2020-07-11 00:59:06,534 INFO L280 TraceCheckUtils]: 65: Hoare triple {4584#(= 1 main_~lk2~0)} assume !(0 != ~p5~0); {4584#(= 1 main_~lk2~0)} is VALID [2020-07-11 00:59:06,535 INFO L280 TraceCheckUtils]: 66: Hoare triple {4584#(= 1 main_~lk2~0)} assume !(0 != ~p6~0); {4584#(= 1 main_~lk2~0)} is VALID [2020-07-11 00:59:06,535 INFO L280 TraceCheckUtils]: 67: Hoare triple {4584#(= 1 main_~lk2~0)} assume !(0 != ~p7~0); {4584#(= 1 main_~lk2~0)} is VALID [2020-07-11 00:59:06,535 INFO L280 TraceCheckUtils]: 68: Hoare triple {4584#(= 1 main_~lk2~0)} assume !(0 != ~p8~0); {4584#(= 1 main_~lk2~0)} is VALID [2020-07-11 00:59:06,536 INFO L280 TraceCheckUtils]: 69: Hoare triple {4584#(= 1 main_~lk2~0)} assume !(0 != ~p9~0); {4584#(= 1 main_~lk2~0)} is VALID [2020-07-11 00:59:06,536 INFO L280 TraceCheckUtils]: 70: Hoare triple {4584#(= 1 main_~lk2~0)} assume !(0 != ~p10~0); {4584#(= 1 main_~lk2~0)} is VALID [2020-07-11 00:59:06,537 INFO L280 TraceCheckUtils]: 71: Hoare triple {4584#(= 1 main_~lk2~0)} assume !(0 != ~p1~0); {4584#(= 1 main_~lk2~0)} is VALID [2020-07-11 00:59:06,537 INFO L280 TraceCheckUtils]: 72: Hoare triple {4584#(= 1 main_~lk2~0)} assume 0 != ~p2~0; {4584#(= 1 main_~lk2~0)} is VALID [2020-07-11 00:59:06,537 INFO L280 TraceCheckUtils]: 73: Hoare triple {4584#(= 1 main_~lk2~0)} assume 1 != ~lk2~0; {4581#false} is VALID [2020-07-11 00:59:06,538 INFO L280 TraceCheckUtils]: 74: Hoare triple {4581#false} assume !false; {4581#false} is VALID [2020-07-11 00:59:06,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 00:59:06,541 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1130426404] [2020-07-11 00:59:06,541 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 00:59:06,541 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-11 00:59:06,541 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903377810] [2020-07-11 00:59:06,542 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2020-07-11 00:59:06,542 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:59:06,542 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-11 00:59:06,618 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 75 edges. 75 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:59:06,618 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-11 00:59:06,619 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:59:06,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-11 00:59:06,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-11 00:59:06,620 INFO L87 Difference]: Start difference. First operand 295 states and 400 transitions. Second operand 3 states. [2020-07-11 00:59:07,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:59:07,238 INFO L93 Difference]: Finished difference Result 361 states and 496 transitions. [2020-07-11 00:59:07,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-11 00:59:07,239 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2020-07-11 00:59:07,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:59:07,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-11 00:59:07,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 218 transitions. [2020-07-11 00:59:07,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-11 00:59:07,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 218 transitions. [2020-07-11 00:59:07,246 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 218 transitions. [2020-07-11 00:59:07,469 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 218 edges. 218 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:59:07,479 INFO L225 Difference]: With dead ends: 361 [2020-07-11 00:59:07,479 INFO L226 Difference]: Without dead ends: 359 [2020-07-11 00:59:07,480 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-11 00:59:07,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2020-07-11 00:59:07,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 295. [2020-07-11 00:59:07,785 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:59:07,785 INFO L82 GeneralOperation]: Start isEquivalent. First operand 359 states. Second operand 295 states. [2020-07-11 00:59:07,785 INFO L74 IsIncluded]: Start isIncluded. First operand 359 states. Second operand 295 states. [2020-07-11 00:59:07,785 INFO L87 Difference]: Start difference. First operand 359 states. Second operand 295 states. [2020-07-11 00:59:07,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:59:07,801 INFO L93 Difference]: Finished difference Result 359 states and 493 transitions. [2020-07-11 00:59:07,801 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 493 transitions. [2020-07-11 00:59:07,802 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:59:07,802 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:59:07,802 INFO L74 IsIncluded]: Start isIncluded. First operand 295 states. Second operand 359 states. [2020-07-11 00:59:07,803 INFO L87 Difference]: Start difference. First operand 295 states. Second operand 359 states. [2020-07-11 00:59:07,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:59:07,817 INFO L93 Difference]: Finished difference Result 359 states and 493 transitions. [2020-07-11 00:59:07,817 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 493 transitions. [2020-07-11 00:59:07,818 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:59:07,818 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:59:07,818 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:59:07,819 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:59:07,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2020-07-11 00:59:07,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 398 transitions. [2020-07-11 00:59:07,830 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 398 transitions. Word has length 75 [2020-07-11 00:59:07,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:59:07,830 INFO L479 AbstractCegarLoop]: Abstraction has 295 states and 398 transitions. [2020-07-11 00:59:07,830 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-11 00:59:07,830 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 295 states and 398 transitions. [2020-07-11 00:59:08,252 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 398 edges. 398 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:59:08,252 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 398 transitions. [2020-07-11 00:59:08,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-07-11 00:59:08,254 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:59:08,254 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] [2020-07-11 00:59:08,255 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-11 00:59:08,255 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:59:08,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:59:08,255 INFO L82 PathProgramCache]: Analyzing trace with hash 1029980604, now seen corresponding path program 1 times [2020-07-11 00:59:08,256 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:59:08,256 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1389262896] [2020-07-11 00:59:08,256 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:59:08,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:59:08,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:59:08,313 INFO L280 TraceCheckUtils]: 0: Hoare triple {6617#true} assume true; {6617#true} is VALID [2020-07-11 00:59:08,313 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {6617#true} {6617#true} #271#return; {6617#true} is VALID [2020-07-11 00:59:08,313 INFO L263 TraceCheckUtils]: 0: Hoare triple {6617#true} call ULTIMATE.init(); {6617#true} is VALID [2020-07-11 00:59:08,314 INFO L280 TraceCheckUtils]: 1: Hoare triple {6617#true} assume true; {6617#true} is VALID [2020-07-11 00:59:08,314 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {6617#true} {6617#true} #271#return; {6617#true} is VALID [2020-07-11 00:59:08,314 INFO L263 TraceCheckUtils]: 3: Hoare triple {6617#true} call #t~ret11 := main(); {6617#true} is VALID [2020-07-11 00:59:08,314 INFO L280 TraceCheckUtils]: 4: Hoare triple {6617#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {6617#true} is VALID [2020-07-11 00:59:08,315 INFO L280 TraceCheckUtils]: 5: Hoare triple {6617#true} ~p1~0 := #t~nondet0; {6617#true} is VALID [2020-07-11 00:59:08,315 INFO L280 TraceCheckUtils]: 6: Hoare triple {6617#true} havoc #t~nondet0; {6617#true} is VALID [2020-07-11 00:59:08,315 INFO L280 TraceCheckUtils]: 7: Hoare triple {6617#true} havoc ~lk1~0; {6617#true} is VALID [2020-07-11 00:59:08,315 INFO L280 TraceCheckUtils]: 8: Hoare triple {6617#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {6617#true} is VALID [2020-07-11 00:59:08,316 INFO L280 TraceCheckUtils]: 9: Hoare triple {6617#true} ~p2~0 := #t~nondet1; {6617#true} is VALID [2020-07-11 00:59:08,316 INFO L280 TraceCheckUtils]: 10: Hoare triple {6617#true} havoc #t~nondet1; {6617#true} is VALID [2020-07-11 00:59:08,316 INFO L280 TraceCheckUtils]: 11: Hoare triple {6617#true} havoc ~lk2~0; {6617#true} is VALID [2020-07-11 00:59:08,316 INFO L280 TraceCheckUtils]: 12: Hoare triple {6617#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {6617#true} is VALID [2020-07-11 00:59:08,316 INFO L280 TraceCheckUtils]: 13: Hoare triple {6617#true} ~p3~0 := #t~nondet2; {6617#true} is VALID [2020-07-11 00:59:08,316 INFO L280 TraceCheckUtils]: 14: Hoare triple {6617#true} havoc #t~nondet2; {6617#true} is VALID [2020-07-11 00:59:08,317 INFO L280 TraceCheckUtils]: 15: Hoare triple {6617#true} havoc ~lk3~0; {6617#true} is VALID [2020-07-11 00:59:08,317 INFO L280 TraceCheckUtils]: 16: Hoare triple {6617#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {6617#true} is VALID [2020-07-11 00:59:08,317 INFO L280 TraceCheckUtils]: 17: Hoare triple {6617#true} ~p4~0 := #t~nondet3; {6617#true} is VALID [2020-07-11 00:59:08,317 INFO L280 TraceCheckUtils]: 18: Hoare triple {6617#true} havoc #t~nondet3; {6617#true} is VALID [2020-07-11 00:59:08,318 INFO L280 TraceCheckUtils]: 19: Hoare triple {6617#true} havoc ~lk4~0; {6617#true} is VALID [2020-07-11 00:59:08,318 INFO L280 TraceCheckUtils]: 20: Hoare triple {6617#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {6617#true} is VALID [2020-07-11 00:59:08,318 INFO L280 TraceCheckUtils]: 21: Hoare triple {6617#true} ~p5~0 := #t~nondet4; {6617#true} is VALID [2020-07-11 00:59:08,318 INFO L280 TraceCheckUtils]: 22: Hoare triple {6617#true} havoc #t~nondet4; {6617#true} is VALID [2020-07-11 00:59:08,319 INFO L280 TraceCheckUtils]: 23: Hoare triple {6617#true} havoc ~lk5~0; {6617#true} is VALID [2020-07-11 00:59:08,319 INFO L280 TraceCheckUtils]: 24: Hoare triple {6617#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {6617#true} is VALID [2020-07-11 00:59:08,319 INFO L280 TraceCheckUtils]: 25: Hoare triple {6617#true} ~p6~0 := #t~nondet5; {6617#true} is VALID [2020-07-11 00:59:08,319 INFO L280 TraceCheckUtils]: 26: Hoare triple {6617#true} havoc #t~nondet5; {6617#true} is VALID [2020-07-11 00:59:08,319 INFO L280 TraceCheckUtils]: 27: Hoare triple {6617#true} havoc ~lk6~0; {6617#true} is VALID [2020-07-11 00:59:08,320 INFO L280 TraceCheckUtils]: 28: Hoare triple {6617#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {6617#true} is VALID [2020-07-11 00:59:08,320 INFO L280 TraceCheckUtils]: 29: Hoare triple {6617#true} ~p7~0 := #t~nondet6; {6617#true} is VALID [2020-07-11 00:59:08,320 INFO L280 TraceCheckUtils]: 30: Hoare triple {6617#true} havoc #t~nondet6; {6617#true} is VALID [2020-07-11 00:59:08,320 INFO L280 TraceCheckUtils]: 31: Hoare triple {6617#true} havoc ~lk7~0; {6617#true} is VALID [2020-07-11 00:59:08,321 INFO L280 TraceCheckUtils]: 32: Hoare triple {6617#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {6617#true} is VALID [2020-07-11 00:59:08,321 INFO L280 TraceCheckUtils]: 33: Hoare triple {6617#true} ~p8~0 := #t~nondet7; {6617#true} is VALID [2020-07-11 00:59:08,321 INFO L280 TraceCheckUtils]: 34: Hoare triple {6617#true} havoc #t~nondet7; {6617#true} is VALID [2020-07-11 00:59:08,321 INFO L280 TraceCheckUtils]: 35: Hoare triple {6617#true} havoc ~lk8~0; {6617#true} is VALID [2020-07-11 00:59:08,321 INFO L280 TraceCheckUtils]: 36: Hoare triple {6617#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {6617#true} is VALID [2020-07-11 00:59:08,322 INFO L280 TraceCheckUtils]: 37: Hoare triple {6617#true} ~p9~0 := #t~nondet8; {6617#true} is VALID [2020-07-11 00:59:08,322 INFO L280 TraceCheckUtils]: 38: Hoare triple {6617#true} havoc #t~nondet8; {6617#true} is VALID [2020-07-11 00:59:08,322 INFO L280 TraceCheckUtils]: 39: Hoare triple {6617#true} havoc ~lk9~0; {6617#true} is VALID [2020-07-11 00:59:08,322 INFO L280 TraceCheckUtils]: 40: Hoare triple {6617#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {6617#true} is VALID [2020-07-11 00:59:08,322 INFO L280 TraceCheckUtils]: 41: Hoare triple {6617#true} ~p10~0 := #t~nondet9; {6617#true} is VALID [2020-07-11 00:59:08,323 INFO L280 TraceCheckUtils]: 42: Hoare triple {6617#true} havoc #t~nondet9; {6617#true} is VALID [2020-07-11 00:59:08,323 INFO L280 TraceCheckUtils]: 43: Hoare triple {6617#true} havoc ~lk10~0; {6617#true} is VALID [2020-07-11 00:59:08,323 INFO L280 TraceCheckUtils]: 44: Hoare triple {6617#true} havoc ~cond~0; {6617#true} is VALID [2020-07-11 00:59:08,323 INFO L280 TraceCheckUtils]: 45: Hoare triple {6617#true} assume !false; {6617#true} is VALID [2020-07-11 00:59:08,323 INFO L280 TraceCheckUtils]: 46: Hoare triple {6617#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {6617#true} is VALID [2020-07-11 00:59:08,324 INFO L280 TraceCheckUtils]: 47: Hoare triple {6617#true} ~cond~0 := #t~nondet10; {6617#true} is VALID [2020-07-11 00:59:08,324 INFO L280 TraceCheckUtils]: 48: Hoare triple {6617#true} havoc #t~nondet10; {6617#true} is VALID [2020-07-11 00:59:08,324 INFO L280 TraceCheckUtils]: 49: Hoare triple {6617#true} assume !(0 == ~cond~0); {6617#true} is VALID [2020-07-11 00:59:08,324 INFO L280 TraceCheckUtils]: 50: Hoare triple {6617#true} ~lk1~0 := 0; {6617#true} is VALID [2020-07-11 00:59:08,325 INFO L280 TraceCheckUtils]: 51: Hoare triple {6617#true} ~lk2~0 := 0; {6617#true} is VALID [2020-07-11 00:59:08,325 INFO L280 TraceCheckUtils]: 52: Hoare triple {6617#true} ~lk3~0 := 0; {6617#true} is VALID [2020-07-11 00:59:08,325 INFO L280 TraceCheckUtils]: 53: Hoare triple {6617#true} ~lk4~0 := 0; {6617#true} is VALID [2020-07-11 00:59:08,325 INFO L280 TraceCheckUtils]: 54: Hoare triple {6617#true} ~lk5~0 := 0; {6617#true} is VALID [2020-07-11 00:59:08,325 INFO L280 TraceCheckUtils]: 55: Hoare triple {6617#true} ~lk6~0 := 0; {6617#true} is VALID [2020-07-11 00:59:08,326 INFO L280 TraceCheckUtils]: 56: Hoare triple {6617#true} ~lk7~0 := 0; {6617#true} is VALID [2020-07-11 00:59:08,326 INFO L280 TraceCheckUtils]: 57: Hoare triple {6617#true} ~lk8~0 := 0; {6617#true} is VALID [2020-07-11 00:59:08,326 INFO L280 TraceCheckUtils]: 58: Hoare triple {6617#true} ~lk9~0 := 0; {6617#true} is VALID [2020-07-11 00:59:08,326 INFO L280 TraceCheckUtils]: 59: Hoare triple {6617#true} ~lk10~0 := 0; {6617#true} is VALID [2020-07-11 00:59:08,326 INFO L280 TraceCheckUtils]: 60: Hoare triple {6617#true} assume !(0 != ~p1~0); {6617#true} is VALID [2020-07-11 00:59:08,327 INFO L280 TraceCheckUtils]: 61: Hoare triple {6617#true} assume !(0 != ~p2~0); {6617#true} is VALID [2020-07-11 00:59:08,327 INFO L280 TraceCheckUtils]: 62: Hoare triple {6617#true} assume !(0 != ~p3~0); {6621#(= 0 main_~p3~0)} is VALID [2020-07-11 00:59:08,328 INFO L280 TraceCheckUtils]: 63: Hoare triple {6621#(= 0 main_~p3~0)} assume !(0 != ~p4~0); {6621#(= 0 main_~p3~0)} is VALID [2020-07-11 00:59:08,328 INFO L280 TraceCheckUtils]: 64: Hoare triple {6621#(= 0 main_~p3~0)} assume !(0 != ~p5~0); {6621#(= 0 main_~p3~0)} is VALID [2020-07-11 00:59:08,329 INFO L280 TraceCheckUtils]: 65: Hoare triple {6621#(= 0 main_~p3~0)} assume !(0 != ~p6~0); {6621#(= 0 main_~p3~0)} is VALID [2020-07-11 00:59:08,330 INFO L280 TraceCheckUtils]: 66: Hoare triple {6621#(= 0 main_~p3~0)} assume !(0 != ~p7~0); {6621#(= 0 main_~p3~0)} is VALID [2020-07-11 00:59:08,330 INFO L280 TraceCheckUtils]: 67: Hoare triple {6621#(= 0 main_~p3~0)} assume !(0 != ~p8~0); {6621#(= 0 main_~p3~0)} is VALID [2020-07-11 00:59:08,331 INFO L280 TraceCheckUtils]: 68: Hoare triple {6621#(= 0 main_~p3~0)} assume !(0 != ~p9~0); {6621#(= 0 main_~p3~0)} is VALID [2020-07-11 00:59:08,331 INFO L280 TraceCheckUtils]: 69: Hoare triple {6621#(= 0 main_~p3~0)} assume !(0 != ~p10~0); {6621#(= 0 main_~p3~0)} is VALID [2020-07-11 00:59:08,332 INFO L280 TraceCheckUtils]: 70: Hoare triple {6621#(= 0 main_~p3~0)} assume !(0 != ~p1~0); {6621#(= 0 main_~p3~0)} is VALID [2020-07-11 00:59:08,332 INFO L280 TraceCheckUtils]: 71: Hoare triple {6621#(= 0 main_~p3~0)} assume !(0 != ~p2~0); {6621#(= 0 main_~p3~0)} is VALID [2020-07-11 00:59:08,333 INFO L280 TraceCheckUtils]: 72: Hoare triple {6621#(= 0 main_~p3~0)} assume 0 != ~p3~0; {6618#false} is VALID [2020-07-11 00:59:08,333 INFO L280 TraceCheckUtils]: 73: Hoare triple {6618#false} assume 1 != ~lk3~0; {6618#false} is VALID [2020-07-11 00:59:08,334 INFO L280 TraceCheckUtils]: 74: Hoare triple {6618#false} assume !false; {6618#false} is VALID [2020-07-11 00:59:08,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 00:59:08,337 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1389262896] [2020-07-11 00:59:08,337 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 00:59:08,337 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-11 00:59:08,338 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244564289] [2020-07-11 00:59:08,338 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2020-07-11 00:59:08,339 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:59:08,339 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-11 00:59:08,419 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 75 edges. 75 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:59:08,420 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-11 00:59:08,420 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:59:08,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-11 00:59:08,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-11 00:59:08,438 INFO L87 Difference]: Start difference. First operand 295 states and 398 transitions. Second operand 3 states. [2020-07-11 00:59:09,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:59:09,448 INFO L93 Difference]: Finished difference Result 783 states and 1088 transitions. [2020-07-11 00:59:09,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-11 00:59:09,448 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2020-07-11 00:59:09,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:59:09,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-11 00:59:09,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 323 transitions. [2020-07-11 00:59:09,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-11 00:59:09,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 323 transitions. [2020-07-11 00:59:09,457 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 323 transitions. [2020-07-11 00:59:09,786 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 323 edges. 323 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:59:09,802 INFO L225 Difference]: With dead ends: 783 [2020-07-11 00:59:09,803 INFO L226 Difference]: Without dead ends: 533 [2020-07-11 00:59:09,805 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-11 00:59:09,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2020-07-11 00:59:10,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 531. [2020-07-11 00:59:10,537 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:59:10,537 INFO L82 GeneralOperation]: Start isEquivalent. First operand 533 states. Second operand 531 states. [2020-07-11 00:59:10,537 INFO L74 IsIncluded]: Start isIncluded. First operand 533 states. Second operand 531 states. [2020-07-11 00:59:10,538 INFO L87 Difference]: Start difference. First operand 533 states. Second operand 531 states. [2020-07-11 00:59:10,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:59:10,558 INFO L93 Difference]: Finished difference Result 533 states and 727 transitions. [2020-07-11 00:59:10,558 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 727 transitions. [2020-07-11 00:59:10,559 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:59:10,560 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:59:10,560 INFO L74 IsIncluded]: Start isIncluded. First operand 531 states. Second operand 533 states. [2020-07-11 00:59:10,560 INFO L87 Difference]: Start difference. First operand 531 states. Second operand 533 states. [2020-07-11 00:59:10,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:59:10,580 INFO L93 Difference]: Finished difference Result 533 states and 727 transitions. [2020-07-11 00:59:10,580 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 727 transitions. [2020-07-11 00:59:10,581 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:59:10,582 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:59:10,582 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:59:10,582 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:59:10,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 531 states. [2020-07-11 00:59:10,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 726 transitions. [2020-07-11 00:59:10,605 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 726 transitions. Word has length 75 [2020-07-11 00:59:10,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:59:10,606 INFO L479 AbstractCegarLoop]: Abstraction has 531 states and 726 transitions. [2020-07-11 00:59:10,606 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-11 00:59:10,606 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 531 states and 726 transitions. [2020-07-11 00:59:11,430 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 726 edges. 726 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:59:11,430 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 726 transitions. [2020-07-11 00:59:11,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-07-11 00:59:11,432 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:59:11,433 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 00:59:11,433 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-11 00:59:11,433 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:59:11,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:59:11,434 INFO L82 PathProgramCache]: Analyzing trace with hash 72930056, now seen corresponding path program 1 times [2020-07-11 00:59:11,434 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:59:11,434 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [195444730] [2020-07-11 00:59:11,434 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:59:11,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:59:11,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:59:11,492 INFO L280 TraceCheckUtils]: 0: Hoare triple {10318#true} assume true; {10318#true} is VALID [2020-07-11 00:59:11,493 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {10318#true} {10318#true} #271#return; {10318#true} is VALID [2020-07-11 00:59:11,493 INFO L263 TraceCheckUtils]: 0: Hoare triple {10318#true} call ULTIMATE.init(); {10318#true} is VALID [2020-07-11 00:59:11,493 INFO L280 TraceCheckUtils]: 1: Hoare triple {10318#true} assume true; {10318#true} is VALID [2020-07-11 00:59:11,494 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {10318#true} {10318#true} #271#return; {10318#true} is VALID [2020-07-11 00:59:11,494 INFO L263 TraceCheckUtils]: 3: Hoare triple {10318#true} call #t~ret11 := main(); {10318#true} is VALID [2020-07-11 00:59:11,494 INFO L280 TraceCheckUtils]: 4: Hoare triple {10318#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {10318#true} is VALID [2020-07-11 00:59:11,494 INFO L280 TraceCheckUtils]: 5: Hoare triple {10318#true} ~p1~0 := #t~nondet0; {10318#true} is VALID [2020-07-11 00:59:11,494 INFO L280 TraceCheckUtils]: 6: Hoare triple {10318#true} havoc #t~nondet0; {10318#true} is VALID [2020-07-11 00:59:11,495 INFO L280 TraceCheckUtils]: 7: Hoare triple {10318#true} havoc ~lk1~0; {10318#true} is VALID [2020-07-11 00:59:11,495 INFO L280 TraceCheckUtils]: 8: Hoare triple {10318#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {10318#true} is VALID [2020-07-11 00:59:11,495 INFO L280 TraceCheckUtils]: 9: Hoare triple {10318#true} ~p2~0 := #t~nondet1; {10318#true} is VALID [2020-07-11 00:59:11,500 INFO L280 TraceCheckUtils]: 10: Hoare triple {10318#true} havoc #t~nondet1; {10318#true} is VALID [2020-07-11 00:59:11,501 INFO L280 TraceCheckUtils]: 11: Hoare triple {10318#true} havoc ~lk2~0; {10318#true} is VALID [2020-07-11 00:59:11,501 INFO L280 TraceCheckUtils]: 12: Hoare triple {10318#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {10318#true} is VALID [2020-07-11 00:59:11,501 INFO L280 TraceCheckUtils]: 13: Hoare triple {10318#true} ~p3~0 := #t~nondet2; {10318#true} is VALID [2020-07-11 00:59:11,501 INFO L280 TraceCheckUtils]: 14: Hoare triple {10318#true} havoc #t~nondet2; {10318#true} is VALID [2020-07-11 00:59:11,501 INFO L280 TraceCheckUtils]: 15: Hoare triple {10318#true} havoc ~lk3~0; {10318#true} is VALID [2020-07-11 00:59:11,501 INFO L280 TraceCheckUtils]: 16: Hoare triple {10318#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {10318#true} is VALID [2020-07-11 00:59:11,502 INFO L280 TraceCheckUtils]: 17: Hoare triple {10318#true} ~p4~0 := #t~nondet3; {10318#true} is VALID [2020-07-11 00:59:11,502 INFO L280 TraceCheckUtils]: 18: Hoare triple {10318#true} havoc #t~nondet3; {10318#true} is VALID [2020-07-11 00:59:11,502 INFO L280 TraceCheckUtils]: 19: Hoare triple {10318#true} havoc ~lk4~0; {10318#true} is VALID [2020-07-11 00:59:11,502 INFO L280 TraceCheckUtils]: 20: Hoare triple {10318#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {10318#true} is VALID [2020-07-11 00:59:11,503 INFO L280 TraceCheckUtils]: 21: Hoare triple {10318#true} ~p5~0 := #t~nondet4; {10318#true} is VALID [2020-07-11 00:59:11,503 INFO L280 TraceCheckUtils]: 22: Hoare triple {10318#true} havoc #t~nondet4; {10318#true} is VALID [2020-07-11 00:59:11,503 INFO L280 TraceCheckUtils]: 23: Hoare triple {10318#true} havoc ~lk5~0; {10318#true} is VALID [2020-07-11 00:59:11,503 INFO L280 TraceCheckUtils]: 24: Hoare triple {10318#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {10318#true} is VALID [2020-07-11 00:59:11,503 INFO L280 TraceCheckUtils]: 25: Hoare triple {10318#true} ~p6~0 := #t~nondet5; {10318#true} is VALID [2020-07-11 00:59:11,503 INFO L280 TraceCheckUtils]: 26: Hoare triple {10318#true} havoc #t~nondet5; {10318#true} is VALID [2020-07-11 00:59:11,504 INFO L280 TraceCheckUtils]: 27: Hoare triple {10318#true} havoc ~lk6~0; {10318#true} is VALID [2020-07-11 00:59:11,504 INFO L280 TraceCheckUtils]: 28: Hoare triple {10318#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {10318#true} is VALID [2020-07-11 00:59:11,504 INFO L280 TraceCheckUtils]: 29: Hoare triple {10318#true} ~p7~0 := #t~nondet6; {10318#true} is VALID [2020-07-11 00:59:11,504 INFO L280 TraceCheckUtils]: 30: Hoare triple {10318#true} havoc #t~nondet6; {10318#true} is VALID [2020-07-11 00:59:11,504 INFO L280 TraceCheckUtils]: 31: Hoare triple {10318#true} havoc ~lk7~0; {10318#true} is VALID [2020-07-11 00:59:11,504 INFO L280 TraceCheckUtils]: 32: Hoare triple {10318#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {10318#true} is VALID [2020-07-11 00:59:11,504 INFO L280 TraceCheckUtils]: 33: Hoare triple {10318#true} ~p8~0 := #t~nondet7; {10318#true} is VALID [2020-07-11 00:59:11,505 INFO L280 TraceCheckUtils]: 34: Hoare triple {10318#true} havoc #t~nondet7; {10318#true} is VALID [2020-07-11 00:59:11,505 INFO L280 TraceCheckUtils]: 35: Hoare triple {10318#true} havoc ~lk8~0; {10318#true} is VALID [2020-07-11 00:59:11,505 INFO L280 TraceCheckUtils]: 36: Hoare triple {10318#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {10318#true} is VALID [2020-07-11 00:59:11,505 INFO L280 TraceCheckUtils]: 37: Hoare triple {10318#true} ~p9~0 := #t~nondet8; {10318#true} is VALID [2020-07-11 00:59:11,505 INFO L280 TraceCheckUtils]: 38: Hoare triple {10318#true} havoc #t~nondet8; {10318#true} is VALID [2020-07-11 00:59:11,505 INFO L280 TraceCheckUtils]: 39: Hoare triple {10318#true} havoc ~lk9~0; {10318#true} is VALID [2020-07-11 00:59:11,505 INFO L280 TraceCheckUtils]: 40: Hoare triple {10318#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {10318#true} is VALID [2020-07-11 00:59:11,505 INFO L280 TraceCheckUtils]: 41: Hoare triple {10318#true} ~p10~0 := #t~nondet9; {10318#true} is VALID [2020-07-11 00:59:11,506 INFO L280 TraceCheckUtils]: 42: Hoare triple {10318#true} havoc #t~nondet9; {10318#true} is VALID [2020-07-11 00:59:11,506 INFO L280 TraceCheckUtils]: 43: Hoare triple {10318#true} havoc ~lk10~0; {10318#true} is VALID [2020-07-11 00:59:11,506 INFO L280 TraceCheckUtils]: 44: Hoare triple {10318#true} havoc ~cond~0; {10318#true} is VALID [2020-07-11 00:59:11,506 INFO L280 TraceCheckUtils]: 45: Hoare triple {10318#true} assume !false; {10318#true} is VALID [2020-07-11 00:59:11,506 INFO L280 TraceCheckUtils]: 46: Hoare triple {10318#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {10318#true} is VALID [2020-07-11 00:59:11,506 INFO L280 TraceCheckUtils]: 47: Hoare triple {10318#true} ~cond~0 := #t~nondet10; {10318#true} is VALID [2020-07-11 00:59:11,506 INFO L280 TraceCheckUtils]: 48: Hoare triple {10318#true} havoc #t~nondet10; {10318#true} is VALID [2020-07-11 00:59:11,506 INFO L280 TraceCheckUtils]: 49: Hoare triple {10318#true} assume !(0 == ~cond~0); {10318#true} is VALID [2020-07-11 00:59:11,507 INFO L280 TraceCheckUtils]: 50: Hoare triple {10318#true} ~lk1~0 := 0; {10318#true} is VALID [2020-07-11 00:59:11,507 INFO L280 TraceCheckUtils]: 51: Hoare triple {10318#true} ~lk2~0 := 0; {10318#true} is VALID [2020-07-11 00:59:11,507 INFO L280 TraceCheckUtils]: 52: Hoare triple {10318#true} ~lk3~0 := 0; {10318#true} is VALID [2020-07-11 00:59:11,507 INFO L280 TraceCheckUtils]: 53: Hoare triple {10318#true} ~lk4~0 := 0; {10318#true} is VALID [2020-07-11 00:59:11,507 INFO L280 TraceCheckUtils]: 54: Hoare triple {10318#true} ~lk5~0 := 0; {10318#true} is VALID [2020-07-11 00:59:11,507 INFO L280 TraceCheckUtils]: 55: Hoare triple {10318#true} ~lk6~0 := 0; {10318#true} is VALID [2020-07-11 00:59:11,508 INFO L280 TraceCheckUtils]: 56: Hoare triple {10318#true} ~lk7~0 := 0; {10318#true} is VALID [2020-07-11 00:59:11,508 INFO L280 TraceCheckUtils]: 57: Hoare triple {10318#true} ~lk8~0 := 0; {10318#true} is VALID [2020-07-11 00:59:11,508 INFO L280 TraceCheckUtils]: 58: Hoare triple {10318#true} ~lk9~0 := 0; {10318#true} is VALID [2020-07-11 00:59:11,508 INFO L280 TraceCheckUtils]: 59: Hoare triple {10318#true} ~lk10~0 := 0; {10318#true} is VALID [2020-07-11 00:59:11,508 INFO L280 TraceCheckUtils]: 60: Hoare triple {10318#true} assume !(0 != ~p1~0); {10318#true} is VALID [2020-07-11 00:59:11,508 INFO L280 TraceCheckUtils]: 61: Hoare triple {10318#true} assume !(0 != ~p2~0); {10318#true} is VALID [2020-07-11 00:59:11,509 INFO L280 TraceCheckUtils]: 62: Hoare triple {10318#true} assume 0 != ~p3~0; {10318#true} is VALID [2020-07-11 00:59:11,509 INFO L280 TraceCheckUtils]: 63: Hoare triple {10318#true} ~lk3~0 := 1; {10322#(= 1 main_~lk3~0)} is VALID [2020-07-11 00:59:11,510 INFO L280 TraceCheckUtils]: 64: Hoare triple {10322#(= 1 main_~lk3~0)} assume !(0 != ~p4~0); {10322#(= 1 main_~lk3~0)} is VALID [2020-07-11 00:59:11,510 INFO L280 TraceCheckUtils]: 65: Hoare triple {10322#(= 1 main_~lk3~0)} assume !(0 != ~p5~0); {10322#(= 1 main_~lk3~0)} is VALID [2020-07-11 00:59:11,511 INFO L280 TraceCheckUtils]: 66: Hoare triple {10322#(= 1 main_~lk3~0)} assume !(0 != ~p6~0); {10322#(= 1 main_~lk3~0)} is VALID [2020-07-11 00:59:11,511 INFO L280 TraceCheckUtils]: 67: Hoare triple {10322#(= 1 main_~lk3~0)} assume !(0 != ~p7~0); {10322#(= 1 main_~lk3~0)} is VALID [2020-07-11 00:59:11,512 INFO L280 TraceCheckUtils]: 68: Hoare triple {10322#(= 1 main_~lk3~0)} assume !(0 != ~p8~0); {10322#(= 1 main_~lk3~0)} is VALID [2020-07-11 00:59:11,512 INFO L280 TraceCheckUtils]: 69: Hoare triple {10322#(= 1 main_~lk3~0)} assume !(0 != ~p9~0); {10322#(= 1 main_~lk3~0)} is VALID [2020-07-11 00:59:11,513 INFO L280 TraceCheckUtils]: 70: Hoare triple {10322#(= 1 main_~lk3~0)} assume !(0 != ~p10~0); {10322#(= 1 main_~lk3~0)} is VALID [2020-07-11 00:59:11,513 INFO L280 TraceCheckUtils]: 71: Hoare triple {10322#(= 1 main_~lk3~0)} assume !(0 != ~p1~0); {10322#(= 1 main_~lk3~0)} is VALID [2020-07-11 00:59:11,514 INFO L280 TraceCheckUtils]: 72: Hoare triple {10322#(= 1 main_~lk3~0)} assume !(0 != ~p2~0); {10322#(= 1 main_~lk3~0)} is VALID [2020-07-11 00:59:11,514 INFO L280 TraceCheckUtils]: 73: Hoare triple {10322#(= 1 main_~lk3~0)} assume 0 != ~p3~0; {10322#(= 1 main_~lk3~0)} is VALID [2020-07-11 00:59:11,515 INFO L280 TraceCheckUtils]: 74: Hoare triple {10322#(= 1 main_~lk3~0)} assume 1 != ~lk3~0; {10319#false} is VALID [2020-07-11 00:59:11,515 INFO L280 TraceCheckUtils]: 75: Hoare triple {10319#false} assume !false; {10319#false} is VALID [2020-07-11 00:59:11,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 00:59:11,518 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [195444730] [2020-07-11 00:59:11,518 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 00:59:11,519 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-11 00:59:11,519 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097569329] [2020-07-11 00:59:11,519 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 76 [2020-07-11 00:59:11,520 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:59:11,520 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-11 00:59:11,591 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 76 edges. 76 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:59:11,591 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-11 00:59:11,591 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:59:11,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-11 00:59:11,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-11 00:59:11,592 INFO L87 Difference]: Start difference. First operand 531 states and 726 transitions. Second operand 3 states. [2020-07-11 00:59:12,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:59:12,765 INFO L93 Difference]: Finished difference Result 651 states and 900 transitions. [2020-07-11 00:59:12,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-11 00:59:12,765 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 76 [2020-07-11 00:59:12,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:59:12,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-11 00:59:12,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 214 transitions. [2020-07-11 00:59:12,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-11 00:59:12,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 214 transitions. [2020-07-11 00:59:12,771 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 214 transitions. [2020-07-11 00:59:12,953 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 214 edges. 214 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:59:12,984 INFO L225 Difference]: With dead ends: 651 [2020-07-11 00:59:12,984 INFO L226 Difference]: Without dead ends: 649 [2020-07-11 00:59:12,985 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-11 00:59:12,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2020-07-11 00:59:13,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 531. [2020-07-11 00:59:13,699 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:59:13,699 INFO L82 GeneralOperation]: Start isEquivalent. First operand 649 states. Second operand 531 states. [2020-07-11 00:59:13,700 INFO L74 IsIncluded]: Start isIncluded. First operand 649 states. Second operand 531 states. [2020-07-11 00:59:13,700 INFO L87 Difference]: Start difference. First operand 649 states. Second operand 531 states. [2020-07-11 00:59:13,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:59:13,728 INFO L93 Difference]: Finished difference Result 649 states and 895 transitions. [2020-07-11 00:59:13,728 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 895 transitions. [2020-07-11 00:59:13,730 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:59:13,730 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:59:13,730 INFO L74 IsIncluded]: Start isIncluded. First operand 531 states. Second operand 649 states. [2020-07-11 00:59:13,730 INFO L87 Difference]: Start difference. First operand 531 states. Second operand 649 states. [2020-07-11 00:59:13,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:59:13,756 INFO L93 Difference]: Finished difference Result 649 states and 895 transitions. [2020-07-11 00:59:13,757 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 895 transitions. [2020-07-11 00:59:13,758 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:59:13,758 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:59:13,758 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:59:13,758 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:59:13,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 531 states. [2020-07-11 00:59:13,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 722 transitions. [2020-07-11 00:59:13,781 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 722 transitions. Word has length 76 [2020-07-11 00:59:13,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:59:13,782 INFO L479 AbstractCegarLoop]: Abstraction has 531 states and 722 transitions. [2020-07-11 00:59:13,782 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-11 00:59:13,782 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 531 states and 722 transitions. [2020-07-11 00:59:14,639 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 722 edges. 722 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:59:14,639 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 722 transitions. [2020-07-11 00:59:14,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-07-11 00:59:14,641 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:59:14,642 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] [2020-07-11 00:59:14,642 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-11 00:59:14,642 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:59:14,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:59:14,643 INFO L82 PathProgramCache]: Analyzing trace with hash 1864872322, now seen corresponding path program 1 times [2020-07-11 00:59:14,643 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:59:14,643 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1212051634] [2020-07-11 00:59:14,643 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:59:14,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:59:14,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:59:14,699 INFO L280 TraceCheckUtils]: 0: Hoare triple {13987#true} assume true; {13987#true} is VALID [2020-07-11 00:59:14,700 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {13987#true} {13987#true} #271#return; {13987#true} is VALID [2020-07-11 00:59:14,700 INFO L263 TraceCheckUtils]: 0: Hoare triple {13987#true} call ULTIMATE.init(); {13987#true} is VALID [2020-07-11 00:59:14,700 INFO L280 TraceCheckUtils]: 1: Hoare triple {13987#true} assume true; {13987#true} is VALID [2020-07-11 00:59:14,701 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {13987#true} {13987#true} #271#return; {13987#true} is VALID [2020-07-11 00:59:14,701 INFO L263 TraceCheckUtils]: 3: Hoare triple {13987#true} call #t~ret11 := main(); {13987#true} is VALID [2020-07-11 00:59:14,701 INFO L280 TraceCheckUtils]: 4: Hoare triple {13987#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {13987#true} is VALID [2020-07-11 00:59:14,701 INFO L280 TraceCheckUtils]: 5: Hoare triple {13987#true} ~p1~0 := #t~nondet0; {13987#true} is VALID [2020-07-11 00:59:14,702 INFO L280 TraceCheckUtils]: 6: Hoare triple {13987#true} havoc #t~nondet0; {13987#true} is VALID [2020-07-11 00:59:14,702 INFO L280 TraceCheckUtils]: 7: Hoare triple {13987#true} havoc ~lk1~0; {13987#true} is VALID [2020-07-11 00:59:14,702 INFO L280 TraceCheckUtils]: 8: Hoare triple {13987#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {13987#true} is VALID [2020-07-11 00:59:14,702 INFO L280 TraceCheckUtils]: 9: Hoare triple {13987#true} ~p2~0 := #t~nondet1; {13987#true} is VALID [2020-07-11 00:59:14,703 INFO L280 TraceCheckUtils]: 10: Hoare triple {13987#true} havoc #t~nondet1; {13987#true} is VALID [2020-07-11 00:59:14,703 INFO L280 TraceCheckUtils]: 11: Hoare triple {13987#true} havoc ~lk2~0; {13987#true} is VALID [2020-07-11 00:59:14,703 INFO L280 TraceCheckUtils]: 12: Hoare triple {13987#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {13987#true} is VALID [2020-07-11 00:59:14,703 INFO L280 TraceCheckUtils]: 13: Hoare triple {13987#true} ~p3~0 := #t~nondet2; {13987#true} is VALID [2020-07-11 00:59:14,704 INFO L280 TraceCheckUtils]: 14: Hoare triple {13987#true} havoc #t~nondet2; {13987#true} is VALID [2020-07-11 00:59:14,704 INFO L280 TraceCheckUtils]: 15: Hoare triple {13987#true} havoc ~lk3~0; {13987#true} is VALID [2020-07-11 00:59:14,704 INFO L280 TraceCheckUtils]: 16: Hoare triple {13987#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {13987#true} is VALID [2020-07-11 00:59:14,704 INFO L280 TraceCheckUtils]: 17: Hoare triple {13987#true} ~p4~0 := #t~nondet3; {13987#true} is VALID [2020-07-11 00:59:14,705 INFO L280 TraceCheckUtils]: 18: Hoare triple {13987#true} havoc #t~nondet3; {13987#true} is VALID [2020-07-11 00:59:14,705 INFO L280 TraceCheckUtils]: 19: Hoare triple {13987#true} havoc ~lk4~0; {13987#true} is VALID [2020-07-11 00:59:14,705 INFO L280 TraceCheckUtils]: 20: Hoare triple {13987#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {13987#true} is VALID [2020-07-11 00:59:14,705 INFO L280 TraceCheckUtils]: 21: Hoare triple {13987#true} ~p5~0 := #t~nondet4; {13987#true} is VALID [2020-07-11 00:59:14,706 INFO L280 TraceCheckUtils]: 22: Hoare triple {13987#true} havoc #t~nondet4; {13987#true} is VALID [2020-07-11 00:59:14,706 INFO L280 TraceCheckUtils]: 23: Hoare triple {13987#true} havoc ~lk5~0; {13987#true} is VALID [2020-07-11 00:59:14,706 INFO L280 TraceCheckUtils]: 24: Hoare triple {13987#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {13987#true} is VALID [2020-07-11 00:59:14,706 INFO L280 TraceCheckUtils]: 25: Hoare triple {13987#true} ~p6~0 := #t~nondet5; {13987#true} is VALID [2020-07-11 00:59:14,707 INFO L280 TraceCheckUtils]: 26: Hoare triple {13987#true} havoc #t~nondet5; {13987#true} is VALID [2020-07-11 00:59:14,707 INFO L280 TraceCheckUtils]: 27: Hoare triple {13987#true} havoc ~lk6~0; {13987#true} is VALID [2020-07-11 00:59:14,707 INFO L280 TraceCheckUtils]: 28: Hoare triple {13987#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {13987#true} is VALID [2020-07-11 00:59:14,707 INFO L280 TraceCheckUtils]: 29: Hoare triple {13987#true} ~p7~0 := #t~nondet6; {13987#true} is VALID [2020-07-11 00:59:14,708 INFO L280 TraceCheckUtils]: 30: Hoare triple {13987#true} havoc #t~nondet6; {13987#true} is VALID [2020-07-11 00:59:14,708 INFO L280 TraceCheckUtils]: 31: Hoare triple {13987#true} havoc ~lk7~0; {13987#true} is VALID [2020-07-11 00:59:14,708 INFO L280 TraceCheckUtils]: 32: Hoare triple {13987#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {13987#true} is VALID [2020-07-11 00:59:14,708 INFO L280 TraceCheckUtils]: 33: Hoare triple {13987#true} ~p8~0 := #t~nondet7; {13987#true} is VALID [2020-07-11 00:59:14,708 INFO L280 TraceCheckUtils]: 34: Hoare triple {13987#true} havoc #t~nondet7; {13987#true} is VALID [2020-07-11 00:59:14,709 INFO L280 TraceCheckUtils]: 35: Hoare triple {13987#true} havoc ~lk8~0; {13987#true} is VALID [2020-07-11 00:59:14,709 INFO L280 TraceCheckUtils]: 36: Hoare triple {13987#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {13987#true} is VALID [2020-07-11 00:59:14,709 INFO L280 TraceCheckUtils]: 37: Hoare triple {13987#true} ~p9~0 := #t~nondet8; {13987#true} is VALID [2020-07-11 00:59:14,709 INFO L280 TraceCheckUtils]: 38: Hoare triple {13987#true} havoc #t~nondet8; {13987#true} is VALID [2020-07-11 00:59:14,710 INFO L280 TraceCheckUtils]: 39: Hoare triple {13987#true} havoc ~lk9~0; {13987#true} is VALID [2020-07-11 00:59:14,710 INFO L280 TraceCheckUtils]: 40: Hoare triple {13987#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {13987#true} is VALID [2020-07-11 00:59:14,710 INFO L280 TraceCheckUtils]: 41: Hoare triple {13987#true} ~p10~0 := #t~nondet9; {13987#true} is VALID [2020-07-11 00:59:14,710 INFO L280 TraceCheckUtils]: 42: Hoare triple {13987#true} havoc #t~nondet9; {13987#true} is VALID [2020-07-11 00:59:14,711 INFO L280 TraceCheckUtils]: 43: Hoare triple {13987#true} havoc ~lk10~0; {13987#true} is VALID [2020-07-11 00:59:14,711 INFO L280 TraceCheckUtils]: 44: Hoare triple {13987#true} havoc ~cond~0; {13987#true} is VALID [2020-07-11 00:59:14,711 INFO L280 TraceCheckUtils]: 45: Hoare triple {13987#true} assume !false; {13987#true} is VALID [2020-07-11 00:59:14,711 INFO L280 TraceCheckUtils]: 46: Hoare triple {13987#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {13987#true} is VALID [2020-07-11 00:59:14,712 INFO L280 TraceCheckUtils]: 47: Hoare triple {13987#true} ~cond~0 := #t~nondet10; {13987#true} is VALID [2020-07-11 00:59:14,712 INFO L280 TraceCheckUtils]: 48: Hoare triple {13987#true} havoc #t~nondet10; {13987#true} is VALID [2020-07-11 00:59:14,712 INFO L280 TraceCheckUtils]: 49: Hoare triple {13987#true} assume !(0 == ~cond~0); {13987#true} is VALID [2020-07-11 00:59:14,712 INFO L280 TraceCheckUtils]: 50: Hoare triple {13987#true} ~lk1~0 := 0; {13987#true} is VALID [2020-07-11 00:59:14,713 INFO L280 TraceCheckUtils]: 51: Hoare triple {13987#true} ~lk2~0 := 0; {13987#true} is VALID [2020-07-11 00:59:14,713 INFO L280 TraceCheckUtils]: 52: Hoare triple {13987#true} ~lk3~0 := 0; {13987#true} is VALID [2020-07-11 00:59:14,713 INFO L280 TraceCheckUtils]: 53: Hoare triple {13987#true} ~lk4~0 := 0; {13987#true} is VALID [2020-07-11 00:59:14,713 INFO L280 TraceCheckUtils]: 54: Hoare triple {13987#true} ~lk5~0 := 0; {13987#true} is VALID [2020-07-11 00:59:14,714 INFO L280 TraceCheckUtils]: 55: Hoare triple {13987#true} ~lk6~0 := 0; {13987#true} is VALID [2020-07-11 00:59:14,714 INFO L280 TraceCheckUtils]: 56: Hoare triple {13987#true} ~lk7~0 := 0; {13987#true} is VALID [2020-07-11 00:59:14,714 INFO L280 TraceCheckUtils]: 57: Hoare triple {13987#true} ~lk8~0 := 0; {13987#true} is VALID [2020-07-11 00:59:14,715 INFO L280 TraceCheckUtils]: 58: Hoare triple {13987#true} ~lk9~0 := 0; {13987#true} is VALID [2020-07-11 00:59:14,715 INFO L280 TraceCheckUtils]: 59: Hoare triple {13987#true} ~lk10~0 := 0; {13987#true} is VALID [2020-07-11 00:59:14,715 INFO L280 TraceCheckUtils]: 60: Hoare triple {13987#true} assume !(0 != ~p1~0); {13987#true} is VALID [2020-07-11 00:59:14,715 INFO L280 TraceCheckUtils]: 61: Hoare triple {13987#true} assume !(0 != ~p2~0); {13987#true} is VALID [2020-07-11 00:59:14,715 INFO L280 TraceCheckUtils]: 62: Hoare triple {13987#true} assume !(0 != ~p3~0); {13987#true} is VALID [2020-07-11 00:59:14,718 INFO L280 TraceCheckUtils]: 63: Hoare triple {13987#true} assume !(0 != ~p4~0); {13991#(= 0 main_~p4~0)} is VALID [2020-07-11 00:59:14,718 INFO L280 TraceCheckUtils]: 64: Hoare triple {13991#(= 0 main_~p4~0)} assume !(0 != ~p5~0); {13991#(= 0 main_~p4~0)} is VALID [2020-07-11 00:59:14,719 INFO L280 TraceCheckUtils]: 65: Hoare triple {13991#(= 0 main_~p4~0)} assume !(0 != ~p6~0); {13991#(= 0 main_~p4~0)} is VALID [2020-07-11 00:59:14,720 INFO L280 TraceCheckUtils]: 66: Hoare triple {13991#(= 0 main_~p4~0)} assume !(0 != ~p7~0); {13991#(= 0 main_~p4~0)} is VALID [2020-07-11 00:59:14,720 INFO L280 TraceCheckUtils]: 67: Hoare triple {13991#(= 0 main_~p4~0)} assume !(0 != ~p8~0); {13991#(= 0 main_~p4~0)} is VALID [2020-07-11 00:59:14,721 INFO L280 TraceCheckUtils]: 68: Hoare triple {13991#(= 0 main_~p4~0)} assume !(0 != ~p9~0); {13991#(= 0 main_~p4~0)} is VALID [2020-07-11 00:59:14,721 INFO L280 TraceCheckUtils]: 69: Hoare triple {13991#(= 0 main_~p4~0)} assume !(0 != ~p10~0); {13991#(= 0 main_~p4~0)} is VALID [2020-07-11 00:59:14,722 INFO L280 TraceCheckUtils]: 70: Hoare triple {13991#(= 0 main_~p4~0)} assume !(0 != ~p1~0); {13991#(= 0 main_~p4~0)} is VALID [2020-07-11 00:59:14,722 INFO L280 TraceCheckUtils]: 71: Hoare triple {13991#(= 0 main_~p4~0)} assume !(0 != ~p2~0); {13991#(= 0 main_~p4~0)} is VALID [2020-07-11 00:59:14,723 INFO L280 TraceCheckUtils]: 72: Hoare triple {13991#(= 0 main_~p4~0)} assume !(0 != ~p3~0); {13991#(= 0 main_~p4~0)} is VALID [2020-07-11 00:59:14,724 INFO L280 TraceCheckUtils]: 73: Hoare triple {13991#(= 0 main_~p4~0)} assume 0 != ~p4~0; {13988#false} is VALID [2020-07-11 00:59:14,724 INFO L280 TraceCheckUtils]: 74: Hoare triple {13988#false} assume 1 != ~lk4~0; {13988#false} is VALID [2020-07-11 00:59:14,724 INFO L280 TraceCheckUtils]: 75: Hoare triple {13988#false} assume !false; {13988#false} is VALID [2020-07-11 00:59:14,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 00:59:14,730 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1212051634] [2020-07-11 00:59:14,730 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 00:59:14,730 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-11 00:59:14,731 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978296131] [2020-07-11 00:59:14,731 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 76 [2020-07-11 00:59:14,732 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:59:14,732 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-11 00:59:14,843 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 76 edges. 76 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:59:14,843 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-11 00:59:14,843 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:59:14,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-11 00:59:14,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-11 00:59:14,844 INFO L87 Difference]: Start difference. First operand 531 states and 722 transitions. Second operand 3 states. [2020-07-11 00:59:17,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:59:17,039 INFO L93 Difference]: Finished difference Result 1479 states and 2044 transitions. [2020-07-11 00:59:17,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-11 00:59:17,039 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 76 [2020-07-11 00:59:17,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:59:17,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-11 00:59:17,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 320 transitions. [2020-07-11 00:59:17,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-11 00:59:17,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 320 transitions. [2020-07-11 00:59:17,046 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 320 transitions. [2020-07-11 00:59:17,371 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 320 edges. 320 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:59:17,453 INFO L225 Difference]: With dead ends: 1479 [2020-07-11 00:59:17,453 INFO L226 Difference]: Without dead ends: 993 [2020-07-11 00:59:17,457 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-11 00:59:17,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 993 states. [2020-07-11 00:59:19,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 993 to 991. [2020-07-11 00:59:19,127 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:59:19,127 INFO L82 GeneralOperation]: Start isEquivalent. First operand 993 states. Second operand 991 states. [2020-07-11 00:59:19,127 INFO L74 IsIncluded]: Start isIncluded. First operand 993 states. Second operand 991 states. [2020-07-11 00:59:19,127 INFO L87 Difference]: Start difference. First operand 993 states. Second operand 991 states. [2020-07-11 00:59:19,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:59:19,171 INFO L93 Difference]: Finished difference Result 993 states and 1351 transitions. [2020-07-11 00:59:19,171 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1351 transitions. [2020-07-11 00:59:19,173 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:59:19,173 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:59:19,173 INFO L74 IsIncluded]: Start isIncluded. First operand 991 states. Second operand 993 states. [2020-07-11 00:59:19,174 INFO L87 Difference]: Start difference. First operand 991 states. Second operand 993 states. [2020-07-11 00:59:19,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:59:19,225 INFO L93 Difference]: Finished difference Result 993 states and 1351 transitions. [2020-07-11 00:59:19,225 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1351 transitions. [2020-07-11 00:59:19,228 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:59:19,228 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:59:19,228 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:59:19,228 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:59:19,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 991 states. [2020-07-11 00:59:19,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1350 transitions. [2020-07-11 00:59:19,288 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1350 transitions. Word has length 76 [2020-07-11 00:59:19,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:59:19,289 INFO L479 AbstractCegarLoop]: Abstraction has 991 states and 1350 transitions. [2020-07-11 00:59:19,289 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-11 00:59:19,289 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 991 states and 1350 transitions. [2020-07-11 00:59:20,924 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 1350 edges. 1350 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:59:20,925 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1350 transitions. [2020-07-11 00:59:20,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-07-11 00:59:20,927 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:59:20,927 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] [2020-07-11 00:59:20,928 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-11 00:59:20,928 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:59:20,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:59:20,928 INFO L82 PathProgramCache]: Analyzing trace with hash 1976712176, now seen corresponding path program 1 times [2020-07-11 00:59:20,929 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:59:20,929 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [550798955] [2020-07-11 00:59:20,929 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:59:20,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:59:20,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:59:20,993 INFO L280 TraceCheckUtils]: 0: Hoare triple {20920#true} assume true; {20920#true} is VALID [2020-07-11 00:59:20,994 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {20920#true} {20920#true} #271#return; {20920#true} is VALID [2020-07-11 00:59:20,994 INFO L263 TraceCheckUtils]: 0: Hoare triple {20920#true} call ULTIMATE.init(); {20920#true} is VALID [2020-07-11 00:59:20,994 INFO L280 TraceCheckUtils]: 1: Hoare triple {20920#true} assume true; {20920#true} is VALID [2020-07-11 00:59:20,994 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {20920#true} {20920#true} #271#return; {20920#true} is VALID [2020-07-11 00:59:20,995 INFO L263 TraceCheckUtils]: 3: Hoare triple {20920#true} call #t~ret11 := main(); {20920#true} is VALID [2020-07-11 00:59:20,995 INFO L280 TraceCheckUtils]: 4: Hoare triple {20920#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {20920#true} is VALID [2020-07-11 00:59:20,995 INFO L280 TraceCheckUtils]: 5: Hoare triple {20920#true} ~p1~0 := #t~nondet0; {20920#true} is VALID [2020-07-11 00:59:20,995 INFO L280 TraceCheckUtils]: 6: Hoare triple {20920#true} havoc #t~nondet0; {20920#true} is VALID [2020-07-11 00:59:20,995 INFO L280 TraceCheckUtils]: 7: Hoare triple {20920#true} havoc ~lk1~0; {20920#true} is VALID [2020-07-11 00:59:20,995 INFO L280 TraceCheckUtils]: 8: Hoare triple {20920#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {20920#true} is VALID [2020-07-11 00:59:20,996 INFO L280 TraceCheckUtils]: 9: Hoare triple {20920#true} ~p2~0 := #t~nondet1; {20920#true} is VALID [2020-07-11 00:59:20,996 INFO L280 TraceCheckUtils]: 10: Hoare triple {20920#true} havoc #t~nondet1; {20920#true} is VALID [2020-07-11 00:59:20,996 INFO L280 TraceCheckUtils]: 11: Hoare triple {20920#true} havoc ~lk2~0; {20920#true} is VALID [2020-07-11 00:59:20,996 INFO L280 TraceCheckUtils]: 12: Hoare triple {20920#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {20920#true} is VALID [2020-07-11 00:59:20,996 INFO L280 TraceCheckUtils]: 13: Hoare triple {20920#true} ~p3~0 := #t~nondet2; {20920#true} is VALID [2020-07-11 00:59:20,996 INFO L280 TraceCheckUtils]: 14: Hoare triple {20920#true} havoc #t~nondet2; {20920#true} is VALID [2020-07-11 00:59:20,997 INFO L280 TraceCheckUtils]: 15: Hoare triple {20920#true} havoc ~lk3~0; {20920#true} is VALID [2020-07-11 00:59:20,997 INFO L280 TraceCheckUtils]: 16: Hoare triple {20920#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {20920#true} is VALID [2020-07-11 00:59:20,997 INFO L280 TraceCheckUtils]: 17: Hoare triple {20920#true} ~p4~0 := #t~nondet3; {20920#true} is VALID [2020-07-11 00:59:20,997 INFO L280 TraceCheckUtils]: 18: Hoare triple {20920#true} havoc #t~nondet3; {20920#true} is VALID [2020-07-11 00:59:20,997 INFO L280 TraceCheckUtils]: 19: Hoare triple {20920#true} havoc ~lk4~0; {20920#true} is VALID [2020-07-11 00:59:20,997 INFO L280 TraceCheckUtils]: 20: Hoare triple {20920#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {20920#true} is VALID [2020-07-11 00:59:20,998 INFO L280 TraceCheckUtils]: 21: Hoare triple {20920#true} ~p5~0 := #t~nondet4; {20920#true} is VALID [2020-07-11 00:59:20,998 INFO L280 TraceCheckUtils]: 22: Hoare triple {20920#true} havoc #t~nondet4; {20920#true} is VALID [2020-07-11 00:59:20,998 INFO L280 TraceCheckUtils]: 23: Hoare triple {20920#true} havoc ~lk5~0; {20920#true} is VALID [2020-07-11 00:59:20,998 INFO L280 TraceCheckUtils]: 24: Hoare triple {20920#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {20920#true} is VALID [2020-07-11 00:59:20,998 INFO L280 TraceCheckUtils]: 25: Hoare triple {20920#true} ~p6~0 := #t~nondet5; {20920#true} is VALID [2020-07-11 00:59:20,999 INFO L280 TraceCheckUtils]: 26: Hoare triple {20920#true} havoc #t~nondet5; {20920#true} is VALID [2020-07-11 00:59:20,999 INFO L280 TraceCheckUtils]: 27: Hoare triple {20920#true} havoc ~lk6~0; {20920#true} is VALID [2020-07-11 00:59:20,999 INFO L280 TraceCheckUtils]: 28: Hoare triple {20920#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {20920#true} is VALID [2020-07-11 00:59:20,999 INFO L280 TraceCheckUtils]: 29: Hoare triple {20920#true} ~p7~0 := #t~nondet6; {20920#true} is VALID [2020-07-11 00:59:20,999 INFO L280 TraceCheckUtils]: 30: Hoare triple {20920#true} havoc #t~nondet6; {20920#true} is VALID [2020-07-11 00:59:20,999 INFO L280 TraceCheckUtils]: 31: Hoare triple {20920#true} havoc ~lk7~0; {20920#true} is VALID [2020-07-11 00:59:21,000 INFO L280 TraceCheckUtils]: 32: Hoare triple {20920#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {20920#true} is VALID [2020-07-11 00:59:21,000 INFO L280 TraceCheckUtils]: 33: Hoare triple {20920#true} ~p8~0 := #t~nondet7; {20920#true} is VALID [2020-07-11 00:59:21,000 INFO L280 TraceCheckUtils]: 34: Hoare triple {20920#true} havoc #t~nondet7; {20920#true} is VALID [2020-07-11 00:59:21,000 INFO L280 TraceCheckUtils]: 35: Hoare triple {20920#true} havoc ~lk8~0; {20920#true} is VALID [2020-07-11 00:59:21,000 INFO L280 TraceCheckUtils]: 36: Hoare triple {20920#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {20920#true} is VALID [2020-07-11 00:59:21,001 INFO L280 TraceCheckUtils]: 37: Hoare triple {20920#true} ~p9~0 := #t~nondet8; {20920#true} is VALID [2020-07-11 00:59:21,001 INFO L280 TraceCheckUtils]: 38: Hoare triple {20920#true} havoc #t~nondet8; {20920#true} is VALID [2020-07-11 00:59:21,001 INFO L280 TraceCheckUtils]: 39: Hoare triple {20920#true} havoc ~lk9~0; {20920#true} is VALID [2020-07-11 00:59:21,001 INFO L280 TraceCheckUtils]: 40: Hoare triple {20920#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {20920#true} is VALID [2020-07-11 00:59:21,001 INFO L280 TraceCheckUtils]: 41: Hoare triple {20920#true} ~p10~0 := #t~nondet9; {20920#true} is VALID [2020-07-11 00:59:21,001 INFO L280 TraceCheckUtils]: 42: Hoare triple {20920#true} havoc #t~nondet9; {20920#true} is VALID [2020-07-11 00:59:21,002 INFO L280 TraceCheckUtils]: 43: Hoare triple {20920#true} havoc ~lk10~0; {20920#true} is VALID [2020-07-11 00:59:21,002 INFO L280 TraceCheckUtils]: 44: Hoare triple {20920#true} havoc ~cond~0; {20920#true} is VALID [2020-07-11 00:59:21,002 INFO L280 TraceCheckUtils]: 45: Hoare triple {20920#true} assume !false; {20920#true} is VALID [2020-07-11 00:59:21,002 INFO L280 TraceCheckUtils]: 46: Hoare triple {20920#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {20920#true} is VALID [2020-07-11 00:59:21,002 INFO L280 TraceCheckUtils]: 47: Hoare triple {20920#true} ~cond~0 := #t~nondet10; {20920#true} is VALID [2020-07-11 00:59:21,002 INFO L280 TraceCheckUtils]: 48: Hoare triple {20920#true} havoc #t~nondet10; {20920#true} is VALID [2020-07-11 00:59:21,003 INFO L280 TraceCheckUtils]: 49: Hoare triple {20920#true} assume !(0 == ~cond~0); {20920#true} is VALID [2020-07-11 00:59:21,003 INFO L280 TraceCheckUtils]: 50: Hoare triple {20920#true} ~lk1~0 := 0; {20920#true} is VALID [2020-07-11 00:59:21,003 INFO L280 TraceCheckUtils]: 51: Hoare triple {20920#true} ~lk2~0 := 0; {20920#true} is VALID [2020-07-11 00:59:21,003 INFO L280 TraceCheckUtils]: 52: Hoare triple {20920#true} ~lk3~0 := 0; {20920#true} is VALID [2020-07-11 00:59:21,003 INFO L280 TraceCheckUtils]: 53: Hoare triple {20920#true} ~lk4~0 := 0; {20920#true} is VALID [2020-07-11 00:59:21,004 INFO L280 TraceCheckUtils]: 54: Hoare triple {20920#true} ~lk5~0 := 0; {20920#true} is VALID [2020-07-11 00:59:21,004 INFO L280 TraceCheckUtils]: 55: Hoare triple {20920#true} ~lk6~0 := 0; {20920#true} is VALID [2020-07-11 00:59:21,004 INFO L280 TraceCheckUtils]: 56: Hoare triple {20920#true} ~lk7~0 := 0; {20920#true} is VALID [2020-07-11 00:59:21,004 INFO L280 TraceCheckUtils]: 57: Hoare triple {20920#true} ~lk8~0 := 0; {20920#true} is VALID [2020-07-11 00:59:21,004 INFO L280 TraceCheckUtils]: 58: Hoare triple {20920#true} ~lk9~0 := 0; {20920#true} is VALID [2020-07-11 00:59:21,004 INFO L280 TraceCheckUtils]: 59: Hoare triple {20920#true} ~lk10~0 := 0; {20920#true} is VALID [2020-07-11 00:59:21,005 INFO L280 TraceCheckUtils]: 60: Hoare triple {20920#true} assume !(0 != ~p1~0); {20920#true} is VALID [2020-07-11 00:59:21,005 INFO L280 TraceCheckUtils]: 61: Hoare triple {20920#true} assume !(0 != ~p2~0); {20920#true} is VALID [2020-07-11 00:59:21,005 INFO L280 TraceCheckUtils]: 62: Hoare triple {20920#true} assume !(0 != ~p3~0); {20920#true} is VALID [2020-07-11 00:59:21,005 INFO L280 TraceCheckUtils]: 63: Hoare triple {20920#true} assume !(0 != ~p4~0); {20920#true} is VALID [2020-07-11 00:59:21,006 INFO L280 TraceCheckUtils]: 64: Hoare triple {20920#true} assume !(0 != ~p5~0); {20924#(= 0 main_~p5~0)} is VALID [2020-07-11 00:59:21,006 INFO L280 TraceCheckUtils]: 65: Hoare triple {20924#(= 0 main_~p5~0)} assume !(0 != ~p6~0); {20924#(= 0 main_~p5~0)} is VALID [2020-07-11 00:59:21,007 INFO L280 TraceCheckUtils]: 66: Hoare triple {20924#(= 0 main_~p5~0)} assume !(0 != ~p7~0); {20924#(= 0 main_~p5~0)} is VALID [2020-07-11 00:59:21,007 INFO L280 TraceCheckUtils]: 67: Hoare triple {20924#(= 0 main_~p5~0)} assume !(0 != ~p8~0); {20924#(= 0 main_~p5~0)} is VALID [2020-07-11 00:59:21,008 INFO L280 TraceCheckUtils]: 68: Hoare triple {20924#(= 0 main_~p5~0)} assume !(0 != ~p9~0); {20924#(= 0 main_~p5~0)} is VALID [2020-07-11 00:59:21,008 INFO L280 TraceCheckUtils]: 69: Hoare triple {20924#(= 0 main_~p5~0)} assume !(0 != ~p10~0); {20924#(= 0 main_~p5~0)} is VALID [2020-07-11 00:59:21,009 INFO L280 TraceCheckUtils]: 70: Hoare triple {20924#(= 0 main_~p5~0)} assume !(0 != ~p1~0); {20924#(= 0 main_~p5~0)} is VALID [2020-07-11 00:59:21,009 INFO L280 TraceCheckUtils]: 71: Hoare triple {20924#(= 0 main_~p5~0)} assume !(0 != ~p2~0); {20924#(= 0 main_~p5~0)} is VALID [2020-07-11 00:59:21,010 INFO L280 TraceCheckUtils]: 72: Hoare triple {20924#(= 0 main_~p5~0)} assume !(0 != ~p3~0); {20924#(= 0 main_~p5~0)} is VALID [2020-07-11 00:59:21,010 INFO L280 TraceCheckUtils]: 73: Hoare triple {20924#(= 0 main_~p5~0)} assume !(0 != ~p4~0); {20924#(= 0 main_~p5~0)} is VALID [2020-07-11 00:59:21,011 INFO L280 TraceCheckUtils]: 74: Hoare triple {20924#(= 0 main_~p5~0)} assume 0 != ~p5~0; {20921#false} is VALID [2020-07-11 00:59:21,011 INFO L280 TraceCheckUtils]: 75: Hoare triple {20921#false} assume 1 != ~lk5~0; {20921#false} is VALID [2020-07-11 00:59:21,011 INFO L280 TraceCheckUtils]: 76: Hoare triple {20921#false} assume !false; {20921#false} is VALID [2020-07-11 00:59:21,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 00:59:21,015 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [550798955] [2020-07-11 00:59:21,015 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 00:59:21,015 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-11 00:59:21,015 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143193336] [2020-07-11 00:59:21,016 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2020-07-11 00:59:21,016 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:59:21,016 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-11 00:59:21,080 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 77 edges. 77 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:59:21,080 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-11 00:59:21,081 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:59:21,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-11 00:59:21,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-11 00:59:21,081 INFO L87 Difference]: Start difference. First operand 991 states and 1350 transitions. Second operand 3 states. [2020-07-11 00:59:25,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:59:25,491 INFO L93 Difference]: Finished difference Result 2835 states and 3896 transitions. [2020-07-11 00:59:25,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-11 00:59:25,491 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2020-07-11 00:59:25,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:59:25,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-11 00:59:25,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 320 transitions. [2020-07-11 00:59:25,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-11 00:59:25,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 320 transitions. [2020-07-11 00:59:25,496 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 320 transitions. [2020-07-11 00:59:25,795 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 320 edges. 320 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:59:25,924 INFO L225 Difference]: With dead ends: 2835 [2020-07-11 00:59:25,924 INFO L226 Difference]: Without dead ends: 1889 [2020-07-11 00:59:25,926 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-11 00:59:25,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1889 states. [2020-07-11 00:59:29,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1889 to 1887. [2020-07-11 00:59:29,590 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:59:29,590 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1889 states. Second operand 1887 states. [2020-07-11 00:59:29,590 INFO L74 IsIncluded]: Start isIncluded. First operand 1889 states. Second operand 1887 states. [2020-07-11 00:59:29,590 INFO L87 Difference]: Start difference. First operand 1889 states. Second operand 1887 states. [2020-07-11 00:59:29,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:59:29,715 INFO L93 Difference]: Finished difference Result 1889 states and 2559 transitions. [2020-07-11 00:59:29,715 INFO L276 IsEmpty]: Start isEmpty. Operand 1889 states and 2559 transitions. [2020-07-11 00:59:29,717 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:59:29,718 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:59:29,718 INFO L74 IsIncluded]: Start isIncluded. First operand 1887 states. Second operand 1889 states. [2020-07-11 00:59:29,718 INFO L87 Difference]: Start difference. First operand 1887 states. Second operand 1889 states. [2020-07-11 00:59:29,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:59:29,839 INFO L93 Difference]: Finished difference Result 1889 states and 2559 transitions. [2020-07-11 00:59:29,839 INFO L276 IsEmpty]: Start isEmpty. Operand 1889 states and 2559 transitions. [2020-07-11 00:59:29,841 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:59:29,841 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:59:29,841 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:59:29,842 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:59:29,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1887 states. [2020-07-11 00:59:29,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1887 states to 1887 states and 2558 transitions. [2020-07-11 00:59:29,959 INFO L78 Accepts]: Start accepts. Automaton has 1887 states and 2558 transitions. Word has length 77 [2020-07-11 00:59:29,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:59:29,959 INFO L479 AbstractCegarLoop]: Abstraction has 1887 states and 2558 transitions. [2020-07-11 00:59:29,959 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-11 00:59:29,959 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 1887 states and 2558 transitions. [2020-07-11 00:59:32,939 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 2558 edges. 2558 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:59:32,939 INFO L276 IsEmpty]: Start isEmpty. Operand 1887 states and 2558 transitions. [2020-07-11 00:59:32,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-07-11 00:59:32,941 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:59:32,941 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] [2020-07-11 00:59:32,941 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-11 00:59:32,941 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:59:32,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:59:32,942 INFO L82 PathProgramCache]: Analyzing trace with hash 42218801, now seen corresponding path program 1 times [2020-07-11 00:59:32,942 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:59:32,942 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [928593726] [2020-07-11 00:59:32,942 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:59:32,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:59:32,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:59:32,983 INFO L280 TraceCheckUtils]: 0: Hoare triple {34149#true} assume true; {34149#true} is VALID [2020-07-11 00:59:32,984 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {34149#true} {34149#true} #271#return; {34149#true} is VALID [2020-07-11 00:59:32,984 INFO L263 TraceCheckUtils]: 0: Hoare triple {34149#true} call ULTIMATE.init(); {34149#true} is VALID [2020-07-11 00:59:32,984 INFO L280 TraceCheckUtils]: 1: Hoare triple {34149#true} assume true; {34149#true} is VALID [2020-07-11 00:59:32,984 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {34149#true} {34149#true} #271#return; {34149#true} is VALID [2020-07-11 00:59:32,984 INFO L263 TraceCheckUtils]: 3: Hoare triple {34149#true} call #t~ret11 := main(); {34149#true} is VALID [2020-07-11 00:59:32,985 INFO L280 TraceCheckUtils]: 4: Hoare triple {34149#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {34149#true} is VALID [2020-07-11 00:59:32,985 INFO L280 TraceCheckUtils]: 5: Hoare triple {34149#true} ~p1~0 := #t~nondet0; {34149#true} is VALID [2020-07-11 00:59:32,985 INFO L280 TraceCheckUtils]: 6: Hoare triple {34149#true} havoc #t~nondet0; {34149#true} is VALID [2020-07-11 00:59:32,985 INFO L280 TraceCheckUtils]: 7: Hoare triple {34149#true} havoc ~lk1~0; {34149#true} is VALID [2020-07-11 00:59:32,985 INFO L280 TraceCheckUtils]: 8: Hoare triple {34149#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {34149#true} is VALID [2020-07-11 00:59:32,986 INFO L280 TraceCheckUtils]: 9: Hoare triple {34149#true} ~p2~0 := #t~nondet1; {34149#true} is VALID [2020-07-11 00:59:32,986 INFO L280 TraceCheckUtils]: 10: Hoare triple {34149#true} havoc #t~nondet1; {34149#true} is VALID [2020-07-11 00:59:32,986 INFO L280 TraceCheckUtils]: 11: Hoare triple {34149#true} havoc ~lk2~0; {34149#true} is VALID [2020-07-11 00:59:32,986 INFO L280 TraceCheckUtils]: 12: Hoare triple {34149#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {34149#true} is VALID [2020-07-11 00:59:32,986 INFO L280 TraceCheckUtils]: 13: Hoare triple {34149#true} ~p3~0 := #t~nondet2; {34149#true} is VALID [2020-07-11 00:59:32,987 INFO L280 TraceCheckUtils]: 14: Hoare triple {34149#true} havoc #t~nondet2; {34149#true} is VALID [2020-07-11 00:59:32,987 INFO L280 TraceCheckUtils]: 15: Hoare triple {34149#true} havoc ~lk3~0; {34149#true} is VALID [2020-07-11 00:59:32,987 INFO L280 TraceCheckUtils]: 16: Hoare triple {34149#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {34149#true} is VALID [2020-07-11 00:59:32,987 INFO L280 TraceCheckUtils]: 17: Hoare triple {34149#true} ~p4~0 := #t~nondet3; {34149#true} is VALID [2020-07-11 00:59:32,987 INFO L280 TraceCheckUtils]: 18: Hoare triple {34149#true} havoc #t~nondet3; {34149#true} is VALID [2020-07-11 00:59:32,987 INFO L280 TraceCheckUtils]: 19: Hoare triple {34149#true} havoc ~lk4~0; {34149#true} is VALID [2020-07-11 00:59:32,988 INFO L280 TraceCheckUtils]: 20: Hoare triple {34149#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {34149#true} is VALID [2020-07-11 00:59:32,988 INFO L280 TraceCheckUtils]: 21: Hoare triple {34149#true} ~p5~0 := #t~nondet4; {34149#true} is VALID [2020-07-11 00:59:32,988 INFO L280 TraceCheckUtils]: 22: Hoare triple {34149#true} havoc #t~nondet4; {34149#true} is VALID [2020-07-11 00:59:32,988 INFO L280 TraceCheckUtils]: 23: Hoare triple {34149#true} havoc ~lk5~0; {34149#true} is VALID [2020-07-11 00:59:32,988 INFO L280 TraceCheckUtils]: 24: Hoare triple {34149#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {34149#true} is VALID [2020-07-11 00:59:32,989 INFO L280 TraceCheckUtils]: 25: Hoare triple {34149#true} ~p6~0 := #t~nondet5; {34149#true} is VALID [2020-07-11 00:59:32,989 INFO L280 TraceCheckUtils]: 26: Hoare triple {34149#true} havoc #t~nondet5; {34149#true} is VALID [2020-07-11 00:59:32,989 INFO L280 TraceCheckUtils]: 27: Hoare triple {34149#true} havoc ~lk6~0; {34149#true} is VALID [2020-07-11 00:59:32,989 INFO L280 TraceCheckUtils]: 28: Hoare triple {34149#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {34149#true} is VALID [2020-07-11 00:59:32,989 INFO L280 TraceCheckUtils]: 29: Hoare triple {34149#true} ~p7~0 := #t~nondet6; {34149#true} is VALID [2020-07-11 00:59:32,990 INFO L280 TraceCheckUtils]: 30: Hoare triple {34149#true} havoc #t~nondet6; {34149#true} is VALID [2020-07-11 00:59:32,990 INFO L280 TraceCheckUtils]: 31: Hoare triple {34149#true} havoc ~lk7~0; {34149#true} is VALID [2020-07-11 00:59:32,990 INFO L280 TraceCheckUtils]: 32: Hoare triple {34149#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {34149#true} is VALID [2020-07-11 00:59:32,990 INFO L280 TraceCheckUtils]: 33: Hoare triple {34149#true} ~p8~0 := #t~nondet7; {34149#true} is VALID [2020-07-11 00:59:32,990 INFO L280 TraceCheckUtils]: 34: Hoare triple {34149#true} havoc #t~nondet7; {34149#true} is VALID [2020-07-11 00:59:32,990 INFO L280 TraceCheckUtils]: 35: Hoare triple {34149#true} havoc ~lk8~0; {34149#true} is VALID [2020-07-11 00:59:32,991 INFO L280 TraceCheckUtils]: 36: Hoare triple {34149#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {34149#true} is VALID [2020-07-11 00:59:32,991 INFO L280 TraceCheckUtils]: 37: Hoare triple {34149#true} ~p9~0 := #t~nondet8; {34149#true} is VALID [2020-07-11 00:59:32,991 INFO L280 TraceCheckUtils]: 38: Hoare triple {34149#true} havoc #t~nondet8; {34149#true} is VALID [2020-07-11 00:59:32,991 INFO L280 TraceCheckUtils]: 39: Hoare triple {34149#true} havoc ~lk9~0; {34149#true} is VALID [2020-07-11 00:59:32,991 INFO L280 TraceCheckUtils]: 40: Hoare triple {34149#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {34149#true} is VALID [2020-07-11 00:59:32,991 INFO L280 TraceCheckUtils]: 41: Hoare triple {34149#true} ~p10~0 := #t~nondet9; {34149#true} is VALID [2020-07-11 00:59:32,991 INFO L280 TraceCheckUtils]: 42: Hoare triple {34149#true} havoc #t~nondet9; {34149#true} is VALID [2020-07-11 00:59:32,991 INFO L280 TraceCheckUtils]: 43: Hoare triple {34149#true} havoc ~lk10~0; {34149#true} is VALID [2020-07-11 00:59:32,992 INFO L280 TraceCheckUtils]: 44: Hoare triple {34149#true} havoc ~cond~0; {34149#true} is VALID [2020-07-11 00:59:32,992 INFO L280 TraceCheckUtils]: 45: Hoare triple {34149#true} assume !false; {34149#true} is VALID [2020-07-11 00:59:32,992 INFO L280 TraceCheckUtils]: 46: Hoare triple {34149#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {34149#true} is VALID [2020-07-11 00:59:32,992 INFO L280 TraceCheckUtils]: 47: Hoare triple {34149#true} ~cond~0 := #t~nondet10; {34149#true} is VALID [2020-07-11 00:59:32,992 INFO L280 TraceCheckUtils]: 48: Hoare triple {34149#true} havoc #t~nondet10; {34149#true} is VALID [2020-07-11 00:59:32,993 INFO L280 TraceCheckUtils]: 49: Hoare triple {34149#true} assume !(0 == ~cond~0); {34149#true} is VALID [2020-07-11 00:59:32,993 INFO L280 TraceCheckUtils]: 50: Hoare triple {34149#true} ~lk1~0 := 0; {34149#true} is VALID [2020-07-11 00:59:32,993 INFO L280 TraceCheckUtils]: 51: Hoare triple {34149#true} ~lk2~0 := 0; {34149#true} is VALID [2020-07-11 00:59:32,993 INFO L280 TraceCheckUtils]: 52: Hoare triple {34149#true} ~lk3~0 := 0; {34149#true} is VALID [2020-07-11 00:59:32,993 INFO L280 TraceCheckUtils]: 53: Hoare triple {34149#true} ~lk4~0 := 0; {34149#true} is VALID [2020-07-11 00:59:32,993 INFO L280 TraceCheckUtils]: 54: Hoare triple {34149#true} ~lk5~0 := 0; {34149#true} is VALID [2020-07-11 00:59:32,994 INFO L280 TraceCheckUtils]: 55: Hoare triple {34149#true} ~lk6~0 := 0; {34149#true} is VALID [2020-07-11 00:59:32,994 INFO L280 TraceCheckUtils]: 56: Hoare triple {34149#true} ~lk7~0 := 0; {34149#true} is VALID [2020-07-11 00:59:32,994 INFO L280 TraceCheckUtils]: 57: Hoare triple {34149#true} ~lk8~0 := 0; {34149#true} is VALID [2020-07-11 00:59:32,994 INFO L280 TraceCheckUtils]: 58: Hoare triple {34149#true} ~lk9~0 := 0; {34149#true} is VALID [2020-07-11 00:59:32,994 INFO L280 TraceCheckUtils]: 59: Hoare triple {34149#true} ~lk10~0 := 0; {34149#true} is VALID [2020-07-11 00:59:32,995 INFO L280 TraceCheckUtils]: 60: Hoare triple {34149#true} assume !(0 != ~p1~0); {34149#true} is VALID [2020-07-11 00:59:32,995 INFO L280 TraceCheckUtils]: 61: Hoare triple {34149#true} assume !(0 != ~p2~0); {34149#true} is VALID [2020-07-11 00:59:32,995 INFO L280 TraceCheckUtils]: 62: Hoare triple {34149#true} assume !(0 != ~p3~0); {34149#true} is VALID [2020-07-11 00:59:32,995 INFO L280 TraceCheckUtils]: 63: Hoare triple {34149#true} assume 0 != ~p4~0; {34149#true} is VALID [2020-07-11 00:59:33,015 INFO L280 TraceCheckUtils]: 64: Hoare triple {34149#true} ~lk4~0 := 1; {34153#(= 1 main_~lk4~0)} is VALID [2020-07-11 00:59:33,016 INFO L280 TraceCheckUtils]: 65: Hoare triple {34153#(= 1 main_~lk4~0)} assume !(0 != ~p5~0); {34153#(= 1 main_~lk4~0)} is VALID [2020-07-11 00:59:33,016 INFO L280 TraceCheckUtils]: 66: Hoare triple {34153#(= 1 main_~lk4~0)} assume !(0 != ~p6~0); {34153#(= 1 main_~lk4~0)} is VALID [2020-07-11 00:59:33,017 INFO L280 TraceCheckUtils]: 67: Hoare triple {34153#(= 1 main_~lk4~0)} assume !(0 != ~p7~0); {34153#(= 1 main_~lk4~0)} is VALID [2020-07-11 00:59:33,017 INFO L280 TraceCheckUtils]: 68: Hoare triple {34153#(= 1 main_~lk4~0)} assume !(0 != ~p8~0); {34153#(= 1 main_~lk4~0)} is VALID [2020-07-11 00:59:33,017 INFO L280 TraceCheckUtils]: 69: Hoare triple {34153#(= 1 main_~lk4~0)} assume !(0 != ~p9~0); {34153#(= 1 main_~lk4~0)} is VALID [2020-07-11 00:59:33,018 INFO L280 TraceCheckUtils]: 70: Hoare triple {34153#(= 1 main_~lk4~0)} assume !(0 != ~p10~0); {34153#(= 1 main_~lk4~0)} is VALID [2020-07-11 00:59:33,018 INFO L280 TraceCheckUtils]: 71: Hoare triple {34153#(= 1 main_~lk4~0)} assume !(0 != ~p1~0); {34153#(= 1 main_~lk4~0)} is VALID [2020-07-11 00:59:33,018 INFO L280 TraceCheckUtils]: 72: Hoare triple {34153#(= 1 main_~lk4~0)} assume !(0 != ~p2~0); {34153#(= 1 main_~lk4~0)} is VALID [2020-07-11 00:59:33,019 INFO L280 TraceCheckUtils]: 73: Hoare triple {34153#(= 1 main_~lk4~0)} assume !(0 != ~p3~0); {34153#(= 1 main_~lk4~0)} is VALID [2020-07-11 00:59:33,019 INFO L280 TraceCheckUtils]: 74: Hoare triple {34153#(= 1 main_~lk4~0)} assume 0 != ~p4~0; {34153#(= 1 main_~lk4~0)} is VALID [2020-07-11 00:59:33,020 INFO L280 TraceCheckUtils]: 75: Hoare triple {34153#(= 1 main_~lk4~0)} assume 1 != ~lk4~0; {34150#false} is VALID [2020-07-11 00:59:33,020 INFO L280 TraceCheckUtils]: 76: Hoare triple {34150#false} assume !false; {34150#false} is VALID [2020-07-11 00:59:33,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 00:59:33,022 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [928593726] [2020-07-11 00:59:33,023 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 00:59:33,023 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-11 00:59:33,023 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835041025] [2020-07-11 00:59:33,024 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2020-07-11 00:59:33,024 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:59:33,024 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-11 00:59:33,090 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 77 edges. 77 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:59:33,090 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-11 00:59:33,090 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:59:33,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-11 00:59:33,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-11 00:59:33,091 INFO L87 Difference]: Start difference. First operand 1887 states and 2558 transitions. Second operand 3 states. [2020-07-11 00:59:38,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:59:38,124 INFO L93 Difference]: Finished difference Result 2307 states and 3152 transitions. [2020-07-11 00:59:38,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-11 00:59:38,124 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2020-07-11 00:59:38,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:59:38,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-11 00:59:38,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 210 transitions. [2020-07-11 00:59:38,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-11 00:59:38,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 210 transitions. [2020-07-11 00:59:38,127 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 210 transitions. [2020-07-11 00:59:38,330 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 210 edges. 210 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:59:38,512 INFO L225 Difference]: With dead ends: 2307 [2020-07-11 00:59:38,513 INFO L226 Difference]: Without dead ends: 2305 [2020-07-11 00:59:38,514 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-11 00:59:38,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2305 states. [2020-07-11 00:59:42,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2305 to 1887. [2020-07-11 00:59:42,558 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:59:42,559 INFO L82 GeneralOperation]: Start isEquivalent. First operand 2305 states. Second operand 1887 states. [2020-07-11 00:59:42,559 INFO L74 IsIncluded]: Start isIncluded. First operand 2305 states. Second operand 1887 states. [2020-07-11 00:59:42,559 INFO L87 Difference]: Start difference. First operand 2305 states. Second operand 1887 states. [2020-07-11 00:59:42,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:59:42,720 INFO L93 Difference]: Finished difference Result 2305 states and 3135 transitions. [2020-07-11 00:59:42,720 INFO L276 IsEmpty]: Start isEmpty. Operand 2305 states and 3135 transitions. [2020-07-11 00:59:42,723 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:59:42,723 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:59:42,723 INFO L74 IsIncluded]: Start isIncluded. First operand 1887 states. Second operand 2305 states. [2020-07-11 00:59:42,723 INFO L87 Difference]: Start difference. First operand 1887 states. Second operand 2305 states. [2020-07-11 00:59:42,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:59:42,891 INFO L93 Difference]: Finished difference Result 2305 states and 3135 transitions. [2020-07-11 00:59:42,891 INFO L276 IsEmpty]: Start isEmpty. Operand 2305 states and 3135 transitions. [2020-07-11 00:59:42,893 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:59:42,893 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:59:42,893 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:59:42,894 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:59:42,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1887 states. [2020-07-11 00:59:43,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1887 states to 1887 states and 2542 transitions. [2020-07-11 00:59:43,012 INFO L78 Accepts]: Start accepts. Automaton has 1887 states and 2542 transitions. Word has length 77 [2020-07-11 00:59:43,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:59:43,013 INFO L479 AbstractCegarLoop]: Abstraction has 1887 states and 2542 transitions. [2020-07-11 00:59:43,013 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-11 00:59:43,013 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 1887 states and 2542 transitions. [2020-07-11 00:59:46,245 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 2542 edges. 2542 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:59:46,246 INFO L276 IsEmpty]: Start isEmpty. Operand 1887 states and 2542 transitions. [2020-07-11 00:59:46,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-07-11 00:59:46,247 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:59:46,248 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] [2020-07-11 00:59:46,248 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-11 00:59:46,248 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:59:46,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:59:46,248 INFO L82 PathProgramCache]: Analyzing trace with hash -909829732, now seen corresponding path program 1 times [2020-07-11 00:59:46,248 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:59:46,249 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1129747928] [2020-07-11 00:59:46,249 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:59:46,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:59:46,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:59:46,313 INFO L280 TraceCheckUtils]: 0: Hoare triple {47154#true} assume true; {47154#true} is VALID [2020-07-11 00:59:46,313 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {47154#true} {47154#true} #271#return; {47154#true} is VALID [2020-07-11 00:59:46,313 INFO L263 TraceCheckUtils]: 0: Hoare triple {47154#true} call ULTIMATE.init(); {47154#true} is VALID [2020-07-11 00:59:46,314 INFO L280 TraceCheckUtils]: 1: Hoare triple {47154#true} assume true; {47154#true} is VALID [2020-07-11 00:59:46,314 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {47154#true} {47154#true} #271#return; {47154#true} is VALID [2020-07-11 00:59:46,314 INFO L263 TraceCheckUtils]: 3: Hoare triple {47154#true} call #t~ret11 := main(); {47154#true} is VALID [2020-07-11 00:59:46,314 INFO L280 TraceCheckUtils]: 4: Hoare triple {47154#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {47154#true} is VALID [2020-07-11 00:59:46,314 INFO L280 TraceCheckUtils]: 5: Hoare triple {47154#true} ~p1~0 := #t~nondet0; {47154#true} is VALID [2020-07-11 00:59:46,314 INFO L280 TraceCheckUtils]: 6: Hoare triple {47154#true} havoc #t~nondet0; {47154#true} is VALID [2020-07-11 00:59:46,315 INFO L280 TraceCheckUtils]: 7: Hoare triple {47154#true} havoc ~lk1~0; {47154#true} is VALID [2020-07-11 00:59:46,315 INFO L280 TraceCheckUtils]: 8: Hoare triple {47154#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {47154#true} is VALID [2020-07-11 00:59:46,315 INFO L280 TraceCheckUtils]: 9: Hoare triple {47154#true} ~p2~0 := #t~nondet1; {47154#true} is VALID [2020-07-11 00:59:46,315 INFO L280 TraceCheckUtils]: 10: Hoare triple {47154#true} havoc #t~nondet1; {47154#true} is VALID [2020-07-11 00:59:46,315 INFO L280 TraceCheckUtils]: 11: Hoare triple {47154#true} havoc ~lk2~0; {47154#true} is VALID [2020-07-11 00:59:46,316 INFO L280 TraceCheckUtils]: 12: Hoare triple {47154#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {47154#true} is VALID [2020-07-11 00:59:46,316 INFO L280 TraceCheckUtils]: 13: Hoare triple {47154#true} ~p3~0 := #t~nondet2; {47154#true} is VALID [2020-07-11 00:59:46,316 INFO L280 TraceCheckUtils]: 14: Hoare triple {47154#true} havoc #t~nondet2; {47154#true} is VALID [2020-07-11 00:59:46,316 INFO L280 TraceCheckUtils]: 15: Hoare triple {47154#true} havoc ~lk3~0; {47154#true} is VALID [2020-07-11 00:59:46,316 INFO L280 TraceCheckUtils]: 16: Hoare triple {47154#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {47154#true} is VALID [2020-07-11 00:59:46,316 INFO L280 TraceCheckUtils]: 17: Hoare triple {47154#true} ~p4~0 := #t~nondet3; {47154#true} is VALID [2020-07-11 00:59:46,317 INFO L280 TraceCheckUtils]: 18: Hoare triple {47154#true} havoc #t~nondet3; {47154#true} is VALID [2020-07-11 00:59:46,317 INFO L280 TraceCheckUtils]: 19: Hoare triple {47154#true} havoc ~lk4~0; {47154#true} is VALID [2020-07-11 00:59:46,317 INFO L280 TraceCheckUtils]: 20: Hoare triple {47154#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {47154#true} is VALID [2020-07-11 00:59:46,317 INFO L280 TraceCheckUtils]: 21: Hoare triple {47154#true} ~p5~0 := #t~nondet4; {47154#true} is VALID [2020-07-11 00:59:46,317 INFO L280 TraceCheckUtils]: 22: Hoare triple {47154#true} havoc #t~nondet4; {47154#true} is VALID [2020-07-11 00:59:46,318 INFO L280 TraceCheckUtils]: 23: Hoare triple {47154#true} havoc ~lk5~0; {47154#true} is VALID [2020-07-11 00:59:46,318 INFO L280 TraceCheckUtils]: 24: Hoare triple {47154#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {47154#true} is VALID [2020-07-11 00:59:46,318 INFO L280 TraceCheckUtils]: 25: Hoare triple {47154#true} ~p6~0 := #t~nondet5; {47154#true} is VALID [2020-07-11 00:59:46,318 INFO L280 TraceCheckUtils]: 26: Hoare triple {47154#true} havoc #t~nondet5; {47154#true} is VALID [2020-07-11 00:59:46,318 INFO L280 TraceCheckUtils]: 27: Hoare triple {47154#true} havoc ~lk6~0; {47154#true} is VALID [2020-07-11 00:59:46,318 INFO L280 TraceCheckUtils]: 28: Hoare triple {47154#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {47154#true} is VALID [2020-07-11 00:59:46,319 INFO L280 TraceCheckUtils]: 29: Hoare triple {47154#true} ~p7~0 := #t~nondet6; {47154#true} is VALID [2020-07-11 00:59:46,319 INFO L280 TraceCheckUtils]: 30: Hoare triple {47154#true} havoc #t~nondet6; {47154#true} is VALID [2020-07-11 00:59:46,319 INFO L280 TraceCheckUtils]: 31: Hoare triple {47154#true} havoc ~lk7~0; {47154#true} is VALID [2020-07-11 00:59:46,319 INFO L280 TraceCheckUtils]: 32: Hoare triple {47154#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {47154#true} is VALID [2020-07-11 00:59:46,319 INFO L280 TraceCheckUtils]: 33: Hoare triple {47154#true} ~p8~0 := #t~nondet7; {47154#true} is VALID [2020-07-11 00:59:46,319 INFO L280 TraceCheckUtils]: 34: Hoare triple {47154#true} havoc #t~nondet7; {47154#true} is VALID [2020-07-11 00:59:46,320 INFO L280 TraceCheckUtils]: 35: Hoare triple {47154#true} havoc ~lk8~0; {47154#true} is VALID [2020-07-11 00:59:46,320 INFO L280 TraceCheckUtils]: 36: Hoare triple {47154#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {47154#true} is VALID [2020-07-11 00:59:46,320 INFO L280 TraceCheckUtils]: 37: Hoare triple {47154#true} ~p9~0 := #t~nondet8; {47154#true} is VALID [2020-07-11 00:59:46,320 INFO L280 TraceCheckUtils]: 38: Hoare triple {47154#true} havoc #t~nondet8; {47154#true} is VALID [2020-07-11 00:59:46,320 INFO L280 TraceCheckUtils]: 39: Hoare triple {47154#true} havoc ~lk9~0; {47154#true} is VALID [2020-07-11 00:59:46,320 INFO L280 TraceCheckUtils]: 40: Hoare triple {47154#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {47154#true} is VALID [2020-07-11 00:59:46,321 INFO L280 TraceCheckUtils]: 41: Hoare triple {47154#true} ~p10~0 := #t~nondet9; {47154#true} is VALID [2020-07-11 00:59:46,321 INFO L280 TraceCheckUtils]: 42: Hoare triple {47154#true} havoc #t~nondet9; {47154#true} is VALID [2020-07-11 00:59:46,321 INFO L280 TraceCheckUtils]: 43: Hoare triple {47154#true} havoc ~lk10~0; {47154#true} is VALID [2020-07-11 00:59:46,321 INFO L280 TraceCheckUtils]: 44: Hoare triple {47154#true} havoc ~cond~0; {47154#true} is VALID [2020-07-11 00:59:46,321 INFO L280 TraceCheckUtils]: 45: Hoare triple {47154#true} assume !false; {47154#true} is VALID [2020-07-11 00:59:46,321 INFO L280 TraceCheckUtils]: 46: Hoare triple {47154#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {47154#true} is VALID [2020-07-11 00:59:46,322 INFO L280 TraceCheckUtils]: 47: Hoare triple {47154#true} ~cond~0 := #t~nondet10; {47154#true} is VALID [2020-07-11 00:59:46,322 INFO L280 TraceCheckUtils]: 48: Hoare triple {47154#true} havoc #t~nondet10; {47154#true} is VALID [2020-07-11 00:59:46,322 INFO L280 TraceCheckUtils]: 49: Hoare triple {47154#true} assume !(0 == ~cond~0); {47154#true} is VALID [2020-07-11 00:59:46,322 INFO L280 TraceCheckUtils]: 50: Hoare triple {47154#true} ~lk1~0 := 0; {47154#true} is VALID [2020-07-11 00:59:46,322 INFO L280 TraceCheckUtils]: 51: Hoare triple {47154#true} ~lk2~0 := 0; {47154#true} is VALID [2020-07-11 00:59:46,323 INFO L280 TraceCheckUtils]: 52: Hoare triple {47154#true} ~lk3~0 := 0; {47154#true} is VALID [2020-07-11 00:59:46,323 INFO L280 TraceCheckUtils]: 53: Hoare triple {47154#true} ~lk4~0 := 0; {47154#true} is VALID [2020-07-11 00:59:46,323 INFO L280 TraceCheckUtils]: 54: Hoare triple {47154#true} ~lk5~0 := 0; {47154#true} is VALID [2020-07-11 00:59:46,323 INFO L280 TraceCheckUtils]: 55: Hoare triple {47154#true} ~lk6~0 := 0; {47154#true} is VALID [2020-07-11 00:59:46,323 INFO L280 TraceCheckUtils]: 56: Hoare triple {47154#true} ~lk7~0 := 0; {47154#true} is VALID [2020-07-11 00:59:46,323 INFO L280 TraceCheckUtils]: 57: Hoare triple {47154#true} ~lk8~0 := 0; {47154#true} is VALID [2020-07-11 00:59:46,324 INFO L280 TraceCheckUtils]: 58: Hoare triple {47154#true} ~lk9~0 := 0; {47154#true} is VALID [2020-07-11 00:59:46,324 INFO L280 TraceCheckUtils]: 59: Hoare triple {47154#true} ~lk10~0 := 0; {47154#true} is VALID [2020-07-11 00:59:46,324 INFO L280 TraceCheckUtils]: 60: Hoare triple {47154#true} assume !(0 != ~p1~0); {47154#true} is VALID [2020-07-11 00:59:46,324 INFO L280 TraceCheckUtils]: 61: Hoare triple {47154#true} assume !(0 != ~p2~0); {47154#true} is VALID [2020-07-11 00:59:46,324 INFO L280 TraceCheckUtils]: 62: Hoare triple {47154#true} assume !(0 != ~p3~0); {47154#true} is VALID [2020-07-11 00:59:46,324 INFO L280 TraceCheckUtils]: 63: Hoare triple {47154#true} assume !(0 != ~p4~0); {47154#true} is VALID [2020-07-11 00:59:46,325 INFO L280 TraceCheckUtils]: 64: Hoare triple {47154#true} assume 0 != ~p5~0; {47154#true} is VALID [2020-07-11 00:59:46,325 INFO L280 TraceCheckUtils]: 65: Hoare triple {47154#true} ~lk5~0 := 1; {47158#(= 1 main_~lk5~0)} is VALID [2020-07-11 00:59:46,326 INFO L280 TraceCheckUtils]: 66: Hoare triple {47158#(= 1 main_~lk5~0)} assume !(0 != ~p6~0); {47158#(= 1 main_~lk5~0)} is VALID [2020-07-11 00:59:46,326 INFO L280 TraceCheckUtils]: 67: Hoare triple {47158#(= 1 main_~lk5~0)} assume !(0 != ~p7~0); {47158#(= 1 main_~lk5~0)} is VALID [2020-07-11 00:59:46,327 INFO L280 TraceCheckUtils]: 68: Hoare triple {47158#(= 1 main_~lk5~0)} assume !(0 != ~p8~0); {47158#(= 1 main_~lk5~0)} is VALID [2020-07-11 00:59:46,327 INFO L280 TraceCheckUtils]: 69: Hoare triple {47158#(= 1 main_~lk5~0)} assume !(0 != ~p9~0); {47158#(= 1 main_~lk5~0)} is VALID [2020-07-11 00:59:46,328 INFO L280 TraceCheckUtils]: 70: Hoare triple {47158#(= 1 main_~lk5~0)} assume !(0 != ~p10~0); {47158#(= 1 main_~lk5~0)} is VALID [2020-07-11 00:59:46,328 INFO L280 TraceCheckUtils]: 71: Hoare triple {47158#(= 1 main_~lk5~0)} assume !(0 != ~p1~0); {47158#(= 1 main_~lk5~0)} is VALID [2020-07-11 00:59:46,329 INFO L280 TraceCheckUtils]: 72: Hoare triple {47158#(= 1 main_~lk5~0)} assume !(0 != ~p2~0); {47158#(= 1 main_~lk5~0)} is VALID [2020-07-11 00:59:46,329 INFO L280 TraceCheckUtils]: 73: Hoare triple {47158#(= 1 main_~lk5~0)} assume !(0 != ~p3~0); {47158#(= 1 main_~lk5~0)} is VALID [2020-07-11 00:59:46,330 INFO L280 TraceCheckUtils]: 74: Hoare triple {47158#(= 1 main_~lk5~0)} assume !(0 != ~p4~0); {47158#(= 1 main_~lk5~0)} is VALID [2020-07-11 00:59:46,330 INFO L280 TraceCheckUtils]: 75: Hoare triple {47158#(= 1 main_~lk5~0)} assume 0 != ~p5~0; {47158#(= 1 main_~lk5~0)} is VALID [2020-07-11 00:59:46,331 INFO L280 TraceCheckUtils]: 76: Hoare triple {47158#(= 1 main_~lk5~0)} assume 1 != ~lk5~0; {47155#false} is VALID [2020-07-11 00:59:46,331 INFO L280 TraceCheckUtils]: 77: Hoare triple {47155#false} assume !false; {47155#false} is VALID [2020-07-11 00:59:46,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 00:59:46,335 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1129747928] [2020-07-11 00:59:46,335 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 00:59:46,336 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-11 00:59:46,336 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964886230] [2020-07-11 00:59:46,336 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2020-07-11 00:59:46,337 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:59:46,337 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-11 00:59:46,404 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 78 edges. 78 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:59:46,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-11 00:59:46,404 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:59:46,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-11 00:59:46,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-11 00:59:46,405 INFO L87 Difference]: Start difference. First operand 1887 states and 2542 transitions. Second operand 3 states. [2020-07-11 00:59:51,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:59:51,963 INFO L93 Difference]: Finished difference Result 2291 states and 3104 transitions. [2020-07-11 00:59:51,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-11 00:59:51,963 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2020-07-11 00:59:51,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:59:51,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-11 00:59:51,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 206 transitions. [2020-07-11 00:59:51,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-11 00:59:51,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 206 transitions. [2020-07-11 00:59:51,967 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 206 transitions. [2020-07-11 00:59:52,161 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 206 edges. 206 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:59:52,337 INFO L225 Difference]: With dead ends: 2291 [2020-07-11 00:59:52,337 INFO L226 Difference]: Without dead ends: 2289 [2020-07-11 00:59:52,338 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-11 00:59:52,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2289 states. [2020-07-11 00:59:56,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2289 to 1887. [2020-07-11 00:59:56,828 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:59:56,828 INFO L82 GeneralOperation]: Start isEquivalent. First operand 2289 states. Second operand 1887 states. [2020-07-11 00:59:56,829 INFO L74 IsIncluded]: Start isIncluded. First operand 2289 states. Second operand 1887 states. [2020-07-11 00:59:56,829 INFO L87 Difference]: Start difference. First operand 2289 states. Second operand 1887 states. [2020-07-11 00:59:56,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:59:56,984 INFO L93 Difference]: Finished difference Result 2289 states and 3087 transitions. [2020-07-11 00:59:56,984 INFO L276 IsEmpty]: Start isEmpty. Operand 2289 states and 3087 transitions. [2020-07-11 00:59:56,986 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:59:56,987 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:59:56,987 INFO L74 IsIncluded]: Start isIncluded. First operand 1887 states. Second operand 2289 states. [2020-07-11 00:59:56,987 INFO L87 Difference]: Start difference. First operand 1887 states. Second operand 2289 states. [2020-07-11 00:59:57,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:59:57,156 INFO L93 Difference]: Finished difference Result 2289 states and 3087 transitions. [2020-07-11 00:59:57,156 INFO L276 IsEmpty]: Start isEmpty. Operand 2289 states and 3087 transitions. [2020-07-11 00:59:57,159 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:59:57,159 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:59:57,159 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:59:57,159 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:59:57,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1887 states. [2020-07-11 00:59:57,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1887 states to 1887 states and 2526 transitions. [2020-07-11 00:59:57,276 INFO L78 Accepts]: Start accepts. Automaton has 1887 states and 2526 transitions. Word has length 78 [2020-07-11 00:59:57,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:59:57,276 INFO L479 AbstractCegarLoop]: Abstraction has 1887 states and 2526 transitions. [2020-07-11 00:59:57,277 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-11 00:59:57,277 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 1887 states and 2526 transitions. [2020-07-11 01:00:00,624 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 2526 edges. 2526 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:00:00,625 INFO L276 IsEmpty]: Start isEmpty. Operand 1887 states and 2526 transitions. [2020-07-11 01:00:00,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-07-11 01:00:00,627 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 01:00:00,627 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] [2020-07-11 01:00:00,627 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-11 01:00:00,628 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 01:00:00,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 01:00:00,628 INFO L82 PathProgramCache]: Analyzing trace with hash 1148780726, now seen corresponding path program 1 times [2020-07-11 01:00:00,629 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 01:00:00,629 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1022176141] [2020-07-11 01:00:00,629 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 01:00:00,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:00:00,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:00:00,686 INFO L280 TraceCheckUtils]: 0: Hoare triple {60095#true} assume true; {60095#true} is VALID [2020-07-11 01:00:00,687 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {60095#true} {60095#true} #271#return; {60095#true} is VALID [2020-07-11 01:00:00,687 INFO L263 TraceCheckUtils]: 0: Hoare triple {60095#true} call ULTIMATE.init(); {60095#true} is VALID [2020-07-11 01:00:00,687 INFO L280 TraceCheckUtils]: 1: Hoare triple {60095#true} assume true; {60095#true} is VALID [2020-07-11 01:00:00,687 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {60095#true} {60095#true} #271#return; {60095#true} is VALID [2020-07-11 01:00:00,687 INFO L263 TraceCheckUtils]: 3: Hoare triple {60095#true} call #t~ret11 := main(); {60095#true} is VALID [2020-07-11 01:00:00,688 INFO L280 TraceCheckUtils]: 4: Hoare triple {60095#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {60095#true} is VALID [2020-07-11 01:00:00,688 INFO L280 TraceCheckUtils]: 5: Hoare triple {60095#true} ~p1~0 := #t~nondet0; {60095#true} is VALID [2020-07-11 01:00:00,688 INFO L280 TraceCheckUtils]: 6: Hoare triple {60095#true} havoc #t~nondet0; {60095#true} is VALID [2020-07-11 01:00:00,688 INFO L280 TraceCheckUtils]: 7: Hoare triple {60095#true} havoc ~lk1~0; {60095#true} is VALID [2020-07-11 01:00:00,688 INFO L280 TraceCheckUtils]: 8: Hoare triple {60095#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {60095#true} is VALID [2020-07-11 01:00:00,688 INFO L280 TraceCheckUtils]: 9: Hoare triple {60095#true} ~p2~0 := #t~nondet1; {60095#true} is VALID [2020-07-11 01:00:00,688 INFO L280 TraceCheckUtils]: 10: Hoare triple {60095#true} havoc #t~nondet1; {60095#true} is VALID [2020-07-11 01:00:00,688 INFO L280 TraceCheckUtils]: 11: Hoare triple {60095#true} havoc ~lk2~0; {60095#true} is VALID [2020-07-11 01:00:00,689 INFO L280 TraceCheckUtils]: 12: Hoare triple {60095#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {60095#true} is VALID [2020-07-11 01:00:00,689 INFO L280 TraceCheckUtils]: 13: Hoare triple {60095#true} ~p3~0 := #t~nondet2; {60095#true} is VALID [2020-07-11 01:00:00,689 INFO L280 TraceCheckUtils]: 14: Hoare triple {60095#true} havoc #t~nondet2; {60095#true} is VALID [2020-07-11 01:00:00,689 INFO L280 TraceCheckUtils]: 15: Hoare triple {60095#true} havoc ~lk3~0; {60095#true} is VALID [2020-07-11 01:00:00,689 INFO L280 TraceCheckUtils]: 16: Hoare triple {60095#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {60095#true} is VALID [2020-07-11 01:00:00,689 INFO L280 TraceCheckUtils]: 17: Hoare triple {60095#true} ~p4~0 := #t~nondet3; {60095#true} is VALID [2020-07-11 01:00:00,689 INFO L280 TraceCheckUtils]: 18: Hoare triple {60095#true} havoc #t~nondet3; {60095#true} is VALID [2020-07-11 01:00:00,689 INFO L280 TraceCheckUtils]: 19: Hoare triple {60095#true} havoc ~lk4~0; {60095#true} is VALID [2020-07-11 01:00:00,690 INFO L280 TraceCheckUtils]: 20: Hoare triple {60095#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {60095#true} is VALID [2020-07-11 01:00:00,690 INFO L280 TraceCheckUtils]: 21: Hoare triple {60095#true} ~p5~0 := #t~nondet4; {60095#true} is VALID [2020-07-11 01:00:00,690 INFO L280 TraceCheckUtils]: 22: Hoare triple {60095#true} havoc #t~nondet4; {60095#true} is VALID [2020-07-11 01:00:00,690 INFO L280 TraceCheckUtils]: 23: Hoare triple {60095#true} havoc ~lk5~0; {60095#true} is VALID [2020-07-11 01:00:00,690 INFO L280 TraceCheckUtils]: 24: Hoare triple {60095#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {60095#true} is VALID [2020-07-11 01:00:00,690 INFO L280 TraceCheckUtils]: 25: Hoare triple {60095#true} ~p6~0 := #t~nondet5; {60095#true} is VALID [2020-07-11 01:00:00,691 INFO L280 TraceCheckUtils]: 26: Hoare triple {60095#true} havoc #t~nondet5; {60095#true} is VALID [2020-07-11 01:00:00,691 INFO L280 TraceCheckUtils]: 27: Hoare triple {60095#true} havoc ~lk6~0; {60095#true} is VALID [2020-07-11 01:00:00,691 INFO L280 TraceCheckUtils]: 28: Hoare triple {60095#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {60095#true} is VALID [2020-07-11 01:00:00,691 INFO L280 TraceCheckUtils]: 29: Hoare triple {60095#true} ~p7~0 := #t~nondet6; {60095#true} is VALID [2020-07-11 01:00:00,691 INFO L280 TraceCheckUtils]: 30: Hoare triple {60095#true} havoc #t~nondet6; {60095#true} is VALID [2020-07-11 01:00:00,691 INFO L280 TraceCheckUtils]: 31: Hoare triple {60095#true} havoc ~lk7~0; {60095#true} is VALID [2020-07-11 01:00:00,691 INFO L280 TraceCheckUtils]: 32: Hoare triple {60095#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {60095#true} is VALID [2020-07-11 01:00:00,692 INFO L280 TraceCheckUtils]: 33: Hoare triple {60095#true} ~p8~0 := #t~nondet7; {60095#true} is VALID [2020-07-11 01:00:00,692 INFO L280 TraceCheckUtils]: 34: Hoare triple {60095#true} havoc #t~nondet7; {60095#true} is VALID [2020-07-11 01:00:00,692 INFO L280 TraceCheckUtils]: 35: Hoare triple {60095#true} havoc ~lk8~0; {60095#true} is VALID [2020-07-11 01:00:00,692 INFO L280 TraceCheckUtils]: 36: Hoare triple {60095#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {60095#true} is VALID [2020-07-11 01:00:00,692 INFO L280 TraceCheckUtils]: 37: Hoare triple {60095#true} ~p9~0 := #t~nondet8; {60095#true} is VALID [2020-07-11 01:00:00,692 INFO L280 TraceCheckUtils]: 38: Hoare triple {60095#true} havoc #t~nondet8; {60095#true} is VALID [2020-07-11 01:00:00,692 INFO L280 TraceCheckUtils]: 39: Hoare triple {60095#true} havoc ~lk9~0; {60095#true} is VALID [2020-07-11 01:00:00,692 INFO L280 TraceCheckUtils]: 40: Hoare triple {60095#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {60095#true} is VALID [2020-07-11 01:00:00,693 INFO L280 TraceCheckUtils]: 41: Hoare triple {60095#true} ~p10~0 := #t~nondet9; {60095#true} is VALID [2020-07-11 01:00:00,693 INFO L280 TraceCheckUtils]: 42: Hoare triple {60095#true} havoc #t~nondet9; {60095#true} is VALID [2020-07-11 01:00:00,693 INFO L280 TraceCheckUtils]: 43: Hoare triple {60095#true} havoc ~lk10~0; {60095#true} is VALID [2020-07-11 01:00:00,693 INFO L280 TraceCheckUtils]: 44: Hoare triple {60095#true} havoc ~cond~0; {60095#true} is VALID [2020-07-11 01:00:00,693 INFO L280 TraceCheckUtils]: 45: Hoare triple {60095#true} assume !false; {60095#true} is VALID [2020-07-11 01:00:00,693 INFO L280 TraceCheckUtils]: 46: Hoare triple {60095#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {60095#true} is VALID [2020-07-11 01:00:00,693 INFO L280 TraceCheckUtils]: 47: Hoare triple {60095#true} ~cond~0 := #t~nondet10; {60095#true} is VALID [2020-07-11 01:00:00,693 INFO L280 TraceCheckUtils]: 48: Hoare triple {60095#true} havoc #t~nondet10; {60095#true} is VALID [2020-07-11 01:00:00,694 INFO L280 TraceCheckUtils]: 49: Hoare triple {60095#true} assume !(0 == ~cond~0); {60095#true} is VALID [2020-07-11 01:00:00,694 INFO L280 TraceCheckUtils]: 50: Hoare triple {60095#true} ~lk1~0 := 0; {60095#true} is VALID [2020-07-11 01:00:00,694 INFO L280 TraceCheckUtils]: 51: Hoare triple {60095#true} ~lk2~0 := 0; {60095#true} is VALID [2020-07-11 01:00:00,694 INFO L280 TraceCheckUtils]: 52: Hoare triple {60095#true} ~lk3~0 := 0; {60095#true} is VALID [2020-07-11 01:00:00,694 INFO L280 TraceCheckUtils]: 53: Hoare triple {60095#true} ~lk4~0 := 0; {60095#true} is VALID [2020-07-11 01:00:00,694 INFO L280 TraceCheckUtils]: 54: Hoare triple {60095#true} ~lk5~0 := 0; {60095#true} is VALID [2020-07-11 01:00:00,694 INFO L280 TraceCheckUtils]: 55: Hoare triple {60095#true} ~lk6~0 := 0; {60095#true} is VALID [2020-07-11 01:00:00,694 INFO L280 TraceCheckUtils]: 56: Hoare triple {60095#true} ~lk7~0 := 0; {60095#true} is VALID [2020-07-11 01:00:00,695 INFO L280 TraceCheckUtils]: 57: Hoare triple {60095#true} ~lk8~0 := 0; {60095#true} is VALID [2020-07-11 01:00:00,695 INFO L280 TraceCheckUtils]: 58: Hoare triple {60095#true} ~lk9~0 := 0; {60095#true} is VALID [2020-07-11 01:00:00,695 INFO L280 TraceCheckUtils]: 59: Hoare triple {60095#true} ~lk10~0 := 0; {60095#true} is VALID [2020-07-11 01:00:00,695 INFO L280 TraceCheckUtils]: 60: Hoare triple {60095#true} assume !(0 != ~p1~0); {60095#true} is VALID [2020-07-11 01:00:00,695 INFO L280 TraceCheckUtils]: 61: Hoare triple {60095#true} assume !(0 != ~p2~0); {60095#true} is VALID [2020-07-11 01:00:00,695 INFO L280 TraceCheckUtils]: 62: Hoare triple {60095#true} assume !(0 != ~p3~0); {60095#true} is VALID [2020-07-11 01:00:00,696 INFO L280 TraceCheckUtils]: 63: Hoare triple {60095#true} assume !(0 != ~p4~0); {60095#true} is VALID [2020-07-11 01:00:00,696 INFO L280 TraceCheckUtils]: 64: Hoare triple {60095#true} assume !(0 != ~p5~0); {60095#true} is VALID [2020-07-11 01:00:00,700 INFO L280 TraceCheckUtils]: 65: Hoare triple {60095#true} assume !(0 != ~p6~0); {60099#(= 0 main_~p6~0)} is VALID [2020-07-11 01:00:00,701 INFO L280 TraceCheckUtils]: 66: Hoare triple {60099#(= 0 main_~p6~0)} assume !(0 != ~p7~0); {60099#(= 0 main_~p6~0)} is VALID [2020-07-11 01:00:00,702 INFO L280 TraceCheckUtils]: 67: Hoare triple {60099#(= 0 main_~p6~0)} assume !(0 != ~p8~0); {60099#(= 0 main_~p6~0)} is VALID [2020-07-11 01:00:00,704 INFO L280 TraceCheckUtils]: 68: Hoare triple {60099#(= 0 main_~p6~0)} assume !(0 != ~p9~0); {60099#(= 0 main_~p6~0)} is VALID [2020-07-11 01:00:00,705 INFO L280 TraceCheckUtils]: 69: Hoare triple {60099#(= 0 main_~p6~0)} assume !(0 != ~p10~0); {60099#(= 0 main_~p6~0)} is VALID [2020-07-11 01:00:00,706 INFO L280 TraceCheckUtils]: 70: Hoare triple {60099#(= 0 main_~p6~0)} assume !(0 != ~p1~0); {60099#(= 0 main_~p6~0)} is VALID [2020-07-11 01:00:00,706 INFO L280 TraceCheckUtils]: 71: Hoare triple {60099#(= 0 main_~p6~0)} assume !(0 != ~p2~0); {60099#(= 0 main_~p6~0)} is VALID [2020-07-11 01:00:00,707 INFO L280 TraceCheckUtils]: 72: Hoare triple {60099#(= 0 main_~p6~0)} assume !(0 != ~p3~0); {60099#(= 0 main_~p6~0)} is VALID [2020-07-11 01:00:00,707 INFO L280 TraceCheckUtils]: 73: Hoare triple {60099#(= 0 main_~p6~0)} assume !(0 != ~p4~0); {60099#(= 0 main_~p6~0)} is VALID [2020-07-11 01:00:00,708 INFO L280 TraceCheckUtils]: 74: Hoare triple {60099#(= 0 main_~p6~0)} assume !(0 != ~p5~0); {60099#(= 0 main_~p6~0)} is VALID [2020-07-11 01:00:00,708 INFO L280 TraceCheckUtils]: 75: Hoare triple {60099#(= 0 main_~p6~0)} assume 0 != ~p6~0; {60096#false} is VALID [2020-07-11 01:00:00,708 INFO L280 TraceCheckUtils]: 76: Hoare triple {60096#false} assume 1 != ~lk6~0; {60096#false} is VALID [2020-07-11 01:00:00,708 INFO L280 TraceCheckUtils]: 77: Hoare triple {60096#false} assume !false; {60096#false} is VALID [2020-07-11 01:00:00,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 01:00:00,712 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1022176141] [2020-07-11 01:00:00,712 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 01:00:00,712 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-11 01:00:00,712 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774468633] [2020-07-11 01:00:00,713 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2020-07-11 01:00:00,713 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 01:00:00,713 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-11 01:00:00,792 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 78 edges. 78 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:00:00,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-11 01:00:00,793 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 01:00:00,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-11 01:00:00,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-11 01:00:00,793 INFO L87 Difference]: Start difference. First operand 1887 states and 2526 transitions. Second operand 3 states. [2020-07-11 01:00:11,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:00:11,801 INFO L93 Difference]: Finished difference Result 5475 states and 7360 transitions. [2020-07-11 01:00:11,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-11 01:00:11,801 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2020-07-11 01:00:11,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 01:00:11,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-11 01:00:11,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 314 transitions. [2020-07-11 01:00:11,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-11 01:00:11,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 314 transitions. [2020-07-11 01:00:11,806 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 314 transitions. [2020-07-11 01:00:12,101 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 314 edges. 314 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:00:12,530 INFO L225 Difference]: With dead ends: 5475 [2020-07-11 01:00:12,531 INFO L226 Difference]: Without dead ends: 3633 [2020-07-11 01:00:12,535 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-11 01:00:12,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3633 states. [2020-07-11 01:00:21,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3633 to 3631. [2020-07-11 01:00:21,779 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 01:00:21,779 INFO L82 GeneralOperation]: Start isEquivalent. First operand 3633 states. Second operand 3631 states. [2020-07-11 01:00:21,779 INFO L74 IsIncluded]: Start isIncluded. First operand 3633 states. Second operand 3631 states. [2020-07-11 01:00:21,779 INFO L87 Difference]: Start difference. First operand 3633 states. Second operand 3631 states. [2020-07-11 01:00:22,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:00:22,228 INFO L93 Difference]: Finished difference Result 3633 states and 4815 transitions. [2020-07-11 01:00:22,228 INFO L276 IsEmpty]: Start isEmpty. Operand 3633 states and 4815 transitions. [2020-07-11 01:00:22,232 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:00:22,232 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:00:22,232 INFO L74 IsIncluded]: Start isIncluded. First operand 3631 states. Second operand 3633 states. [2020-07-11 01:00:22,232 INFO L87 Difference]: Start difference. First operand 3631 states. Second operand 3633 states. [2020-07-11 01:00:22,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:00:22,636 INFO L93 Difference]: Finished difference Result 3633 states and 4815 transitions. [2020-07-11 01:00:22,636 INFO L276 IsEmpty]: Start isEmpty. Operand 3633 states and 4815 transitions. [2020-07-11 01:00:22,640 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:00:22,640 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:00:22,640 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 01:00:22,640 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 01:00:22,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3631 states. [2020-07-11 01:00:23,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3631 states to 3631 states and 4814 transitions. [2020-07-11 01:00:23,109 INFO L78 Accepts]: Start accepts. Automaton has 3631 states and 4814 transitions. Word has length 78 [2020-07-11 01:00:23,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 01:00:23,110 INFO L479 AbstractCegarLoop]: Abstraction has 3631 states and 4814 transitions. [2020-07-11 01:00:23,110 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-11 01:00:23,110 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3631 states and 4814 transitions. [2020-07-11 01:00:29,638 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 4814 edges. 4814 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:00:29,638 INFO L276 IsEmpty]: Start isEmpty. Operand 3631 states and 4814 transitions. [2020-07-11 01:00:29,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-07-11 01:00:29,640 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 01:00:29,640 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] [2020-07-11 01:00:29,640 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-11 01:00:29,641 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 01:00:29,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 01:00:29,641 INFO L82 PathProgramCache]: Analyzing trace with hash 1252709924, now seen corresponding path program 1 times [2020-07-11 01:00:29,641 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 01:00:29,641 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1675480950] [2020-07-11 01:00:29,641 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 01:00:29,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:00:29,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:00:29,681 INFO L280 TraceCheckUtils]: 0: Hoare triple {85580#true} assume true; {85580#true} is VALID [2020-07-11 01:00:29,682 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {85580#true} {85580#true} #271#return; {85580#true} is VALID [2020-07-11 01:00:29,682 INFO L263 TraceCheckUtils]: 0: Hoare triple {85580#true} call ULTIMATE.init(); {85580#true} is VALID [2020-07-11 01:00:29,682 INFO L280 TraceCheckUtils]: 1: Hoare triple {85580#true} assume true; {85580#true} is VALID [2020-07-11 01:00:29,682 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {85580#true} {85580#true} #271#return; {85580#true} is VALID [2020-07-11 01:00:29,682 INFO L263 TraceCheckUtils]: 3: Hoare triple {85580#true} call #t~ret11 := main(); {85580#true} is VALID [2020-07-11 01:00:29,682 INFO L280 TraceCheckUtils]: 4: Hoare triple {85580#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {85580#true} is VALID [2020-07-11 01:00:29,683 INFO L280 TraceCheckUtils]: 5: Hoare triple {85580#true} ~p1~0 := #t~nondet0; {85580#true} is VALID [2020-07-11 01:00:29,683 INFO L280 TraceCheckUtils]: 6: Hoare triple {85580#true} havoc #t~nondet0; {85580#true} is VALID [2020-07-11 01:00:29,683 INFO L280 TraceCheckUtils]: 7: Hoare triple {85580#true} havoc ~lk1~0; {85580#true} is VALID [2020-07-11 01:00:29,683 INFO L280 TraceCheckUtils]: 8: Hoare triple {85580#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {85580#true} is VALID [2020-07-11 01:00:29,683 INFO L280 TraceCheckUtils]: 9: Hoare triple {85580#true} ~p2~0 := #t~nondet1; {85580#true} is VALID [2020-07-11 01:00:29,684 INFO L280 TraceCheckUtils]: 10: Hoare triple {85580#true} havoc #t~nondet1; {85580#true} is VALID [2020-07-11 01:00:29,684 INFO L280 TraceCheckUtils]: 11: Hoare triple {85580#true} havoc ~lk2~0; {85580#true} is VALID [2020-07-11 01:00:29,684 INFO L280 TraceCheckUtils]: 12: Hoare triple {85580#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {85580#true} is VALID [2020-07-11 01:00:29,684 INFO L280 TraceCheckUtils]: 13: Hoare triple {85580#true} ~p3~0 := #t~nondet2; {85580#true} is VALID [2020-07-11 01:00:29,684 INFO L280 TraceCheckUtils]: 14: Hoare triple {85580#true} havoc #t~nondet2; {85580#true} is VALID [2020-07-11 01:00:29,684 INFO L280 TraceCheckUtils]: 15: Hoare triple {85580#true} havoc ~lk3~0; {85580#true} is VALID [2020-07-11 01:00:29,685 INFO L280 TraceCheckUtils]: 16: Hoare triple {85580#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {85580#true} is VALID [2020-07-11 01:00:29,685 INFO L280 TraceCheckUtils]: 17: Hoare triple {85580#true} ~p4~0 := #t~nondet3; {85580#true} is VALID [2020-07-11 01:00:29,685 INFO L280 TraceCheckUtils]: 18: Hoare triple {85580#true} havoc #t~nondet3; {85580#true} is VALID [2020-07-11 01:00:29,685 INFO L280 TraceCheckUtils]: 19: Hoare triple {85580#true} havoc ~lk4~0; {85580#true} is VALID [2020-07-11 01:00:29,685 INFO L280 TraceCheckUtils]: 20: Hoare triple {85580#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {85580#true} is VALID [2020-07-11 01:00:29,686 INFO L280 TraceCheckUtils]: 21: Hoare triple {85580#true} ~p5~0 := #t~nondet4; {85580#true} is VALID [2020-07-11 01:00:29,686 INFO L280 TraceCheckUtils]: 22: Hoare triple {85580#true} havoc #t~nondet4; {85580#true} is VALID [2020-07-11 01:00:29,686 INFO L280 TraceCheckUtils]: 23: Hoare triple {85580#true} havoc ~lk5~0; {85580#true} is VALID [2020-07-11 01:00:29,686 INFO L280 TraceCheckUtils]: 24: Hoare triple {85580#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {85580#true} is VALID [2020-07-11 01:00:29,686 INFO L280 TraceCheckUtils]: 25: Hoare triple {85580#true} ~p6~0 := #t~nondet5; {85580#true} is VALID [2020-07-11 01:00:29,686 INFO L280 TraceCheckUtils]: 26: Hoare triple {85580#true} havoc #t~nondet5; {85580#true} is VALID [2020-07-11 01:00:29,687 INFO L280 TraceCheckUtils]: 27: Hoare triple {85580#true} havoc ~lk6~0; {85580#true} is VALID [2020-07-11 01:00:29,687 INFO L280 TraceCheckUtils]: 28: Hoare triple {85580#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {85580#true} is VALID [2020-07-11 01:00:29,687 INFO L280 TraceCheckUtils]: 29: Hoare triple {85580#true} ~p7~0 := #t~nondet6; {85580#true} is VALID [2020-07-11 01:00:29,687 INFO L280 TraceCheckUtils]: 30: Hoare triple {85580#true} havoc #t~nondet6; {85580#true} is VALID [2020-07-11 01:00:29,687 INFO L280 TraceCheckUtils]: 31: Hoare triple {85580#true} havoc ~lk7~0; {85580#true} is VALID [2020-07-11 01:00:29,688 INFO L280 TraceCheckUtils]: 32: Hoare triple {85580#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {85580#true} is VALID [2020-07-11 01:00:29,688 INFO L280 TraceCheckUtils]: 33: Hoare triple {85580#true} ~p8~0 := #t~nondet7; {85580#true} is VALID [2020-07-11 01:00:29,688 INFO L280 TraceCheckUtils]: 34: Hoare triple {85580#true} havoc #t~nondet7; {85580#true} is VALID [2020-07-11 01:00:29,688 INFO L280 TraceCheckUtils]: 35: Hoare triple {85580#true} havoc ~lk8~0; {85580#true} is VALID [2020-07-11 01:00:29,688 INFO L280 TraceCheckUtils]: 36: Hoare triple {85580#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {85580#true} is VALID [2020-07-11 01:00:29,688 INFO L280 TraceCheckUtils]: 37: Hoare triple {85580#true} ~p9~0 := #t~nondet8; {85580#true} is VALID [2020-07-11 01:00:29,689 INFO L280 TraceCheckUtils]: 38: Hoare triple {85580#true} havoc #t~nondet8; {85580#true} is VALID [2020-07-11 01:00:29,689 INFO L280 TraceCheckUtils]: 39: Hoare triple {85580#true} havoc ~lk9~0; {85580#true} is VALID [2020-07-11 01:00:29,689 INFO L280 TraceCheckUtils]: 40: Hoare triple {85580#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {85580#true} is VALID [2020-07-11 01:00:29,689 INFO L280 TraceCheckUtils]: 41: Hoare triple {85580#true} ~p10~0 := #t~nondet9; {85580#true} is VALID [2020-07-11 01:00:29,689 INFO L280 TraceCheckUtils]: 42: Hoare triple {85580#true} havoc #t~nondet9; {85580#true} is VALID [2020-07-11 01:00:29,689 INFO L280 TraceCheckUtils]: 43: Hoare triple {85580#true} havoc ~lk10~0; {85580#true} is VALID [2020-07-11 01:00:29,690 INFO L280 TraceCheckUtils]: 44: Hoare triple {85580#true} havoc ~cond~0; {85580#true} is VALID [2020-07-11 01:00:29,690 INFO L280 TraceCheckUtils]: 45: Hoare triple {85580#true} assume !false; {85580#true} is VALID [2020-07-11 01:00:29,690 INFO L280 TraceCheckUtils]: 46: Hoare triple {85580#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {85580#true} is VALID [2020-07-11 01:00:29,690 INFO L280 TraceCheckUtils]: 47: Hoare triple {85580#true} ~cond~0 := #t~nondet10; {85580#true} is VALID [2020-07-11 01:00:29,690 INFO L280 TraceCheckUtils]: 48: Hoare triple {85580#true} havoc #t~nondet10; {85580#true} is VALID [2020-07-11 01:00:29,691 INFO L280 TraceCheckUtils]: 49: Hoare triple {85580#true} assume !(0 == ~cond~0); {85580#true} is VALID [2020-07-11 01:00:29,691 INFO L280 TraceCheckUtils]: 50: Hoare triple {85580#true} ~lk1~0 := 0; {85580#true} is VALID [2020-07-11 01:00:29,691 INFO L280 TraceCheckUtils]: 51: Hoare triple {85580#true} ~lk2~0 := 0; {85580#true} is VALID [2020-07-11 01:00:29,691 INFO L280 TraceCheckUtils]: 52: Hoare triple {85580#true} ~lk3~0 := 0; {85580#true} is VALID [2020-07-11 01:00:29,691 INFO L280 TraceCheckUtils]: 53: Hoare triple {85580#true} ~lk4~0 := 0; {85580#true} is VALID [2020-07-11 01:00:29,691 INFO L280 TraceCheckUtils]: 54: Hoare triple {85580#true} ~lk5~0 := 0; {85580#true} is VALID [2020-07-11 01:00:29,692 INFO L280 TraceCheckUtils]: 55: Hoare triple {85580#true} ~lk6~0 := 0; {85580#true} is VALID [2020-07-11 01:00:29,692 INFO L280 TraceCheckUtils]: 56: Hoare triple {85580#true} ~lk7~0 := 0; {85580#true} is VALID [2020-07-11 01:00:29,692 INFO L280 TraceCheckUtils]: 57: Hoare triple {85580#true} ~lk8~0 := 0; {85580#true} is VALID [2020-07-11 01:00:29,692 INFO L280 TraceCheckUtils]: 58: Hoare triple {85580#true} ~lk9~0 := 0; {85580#true} is VALID [2020-07-11 01:00:29,692 INFO L280 TraceCheckUtils]: 59: Hoare triple {85580#true} ~lk10~0 := 0; {85580#true} is VALID [2020-07-11 01:00:29,693 INFO L280 TraceCheckUtils]: 60: Hoare triple {85580#true} assume !(0 != ~p1~0); {85580#true} is VALID [2020-07-11 01:00:29,693 INFO L280 TraceCheckUtils]: 61: Hoare triple {85580#true} assume !(0 != ~p2~0); {85580#true} is VALID [2020-07-11 01:00:29,693 INFO L280 TraceCheckUtils]: 62: Hoare triple {85580#true} assume !(0 != ~p3~0); {85580#true} is VALID [2020-07-11 01:00:29,693 INFO L280 TraceCheckUtils]: 63: Hoare triple {85580#true} assume !(0 != ~p4~0); {85580#true} is VALID [2020-07-11 01:00:29,693 INFO L280 TraceCheckUtils]: 64: Hoare triple {85580#true} assume !(0 != ~p5~0); {85580#true} is VALID [2020-07-11 01:00:29,693 INFO L280 TraceCheckUtils]: 65: Hoare triple {85580#true} assume !(0 != ~p6~0); {85580#true} is VALID [2020-07-11 01:00:29,694 INFO L280 TraceCheckUtils]: 66: Hoare triple {85580#true} assume !(0 != ~p7~0); {85584#(= 0 main_~p7~0)} is VALID [2020-07-11 01:00:29,695 INFO L280 TraceCheckUtils]: 67: Hoare triple {85584#(= 0 main_~p7~0)} assume !(0 != ~p8~0); {85584#(= 0 main_~p7~0)} is VALID [2020-07-11 01:00:29,695 INFO L280 TraceCheckUtils]: 68: Hoare triple {85584#(= 0 main_~p7~0)} assume !(0 != ~p9~0); {85584#(= 0 main_~p7~0)} is VALID [2020-07-11 01:00:29,696 INFO L280 TraceCheckUtils]: 69: Hoare triple {85584#(= 0 main_~p7~0)} assume !(0 != ~p10~0); {85584#(= 0 main_~p7~0)} is VALID [2020-07-11 01:00:29,696 INFO L280 TraceCheckUtils]: 70: Hoare triple {85584#(= 0 main_~p7~0)} assume !(0 != ~p1~0); {85584#(= 0 main_~p7~0)} is VALID [2020-07-11 01:00:29,697 INFO L280 TraceCheckUtils]: 71: Hoare triple {85584#(= 0 main_~p7~0)} assume !(0 != ~p2~0); {85584#(= 0 main_~p7~0)} is VALID [2020-07-11 01:00:29,697 INFO L280 TraceCheckUtils]: 72: Hoare triple {85584#(= 0 main_~p7~0)} assume !(0 != ~p3~0); {85584#(= 0 main_~p7~0)} is VALID [2020-07-11 01:00:29,698 INFO L280 TraceCheckUtils]: 73: Hoare triple {85584#(= 0 main_~p7~0)} assume !(0 != ~p4~0); {85584#(= 0 main_~p7~0)} is VALID [2020-07-11 01:00:29,698 INFO L280 TraceCheckUtils]: 74: Hoare triple {85584#(= 0 main_~p7~0)} assume !(0 != ~p5~0); {85584#(= 0 main_~p7~0)} is VALID [2020-07-11 01:00:29,699 INFO L280 TraceCheckUtils]: 75: Hoare triple {85584#(= 0 main_~p7~0)} assume !(0 != ~p6~0); {85584#(= 0 main_~p7~0)} is VALID [2020-07-11 01:00:29,699 INFO L280 TraceCheckUtils]: 76: Hoare triple {85584#(= 0 main_~p7~0)} assume 0 != ~p7~0; {85581#false} is VALID [2020-07-11 01:00:29,700 INFO L280 TraceCheckUtils]: 77: Hoare triple {85581#false} assume 1 != ~lk7~0; {85581#false} is VALID [2020-07-11 01:00:29,700 INFO L280 TraceCheckUtils]: 78: Hoare triple {85581#false} assume !false; {85581#false} is VALID [2020-07-11 01:00:29,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 01:00:29,706 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1675480950] [2020-07-11 01:00:29,706 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 01:00:29,707 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-11 01:00:29,707 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41661948] [2020-07-11 01:00:29,708 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2020-07-11 01:00:29,708 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 01:00:29,708 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-11 01:00:29,789 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 79 edges. 79 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:00:29,790 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-11 01:00:29,790 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 01:00:29,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-11 01:00:29,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-11 01:00:29,791 INFO L87 Difference]: Start difference. First operand 3631 states and 4814 transitions. Second operand 3 states. [2020-07-11 01:00:55,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:00:55,973 INFO L93 Difference]: Finished difference Result 10611 states and 14096 transitions. [2020-07-11 01:00:55,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-11 01:00:55,973 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2020-07-11 01:00:55,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 01:00:55,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-11 01:00:55,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 314 transitions. [2020-07-11 01:00:55,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-11 01:00:55,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 314 transitions. [2020-07-11 01:00:55,977 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 314 transitions. [2020-07-11 01:00:56,315 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 314 edges. 314 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:00:58,130 INFO L225 Difference]: With dead ends: 10611 [2020-07-11 01:00:58,130 INFO L226 Difference]: Without dead ends: 7025 [2020-07-11 01:00:58,137 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-11 01:00:58,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7025 states. [2020-07-11 01:01:18,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7025 to 7023. [2020-07-11 01:01:18,947 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 01:01:18,947 INFO L82 GeneralOperation]: Start isEquivalent. First operand 7025 states. Second operand 7023 states. [2020-07-11 01:01:18,947 INFO L74 IsIncluded]: Start isIncluded. First operand 7025 states. Second operand 7023 states. [2020-07-11 01:01:18,947 INFO L87 Difference]: Start difference. First operand 7025 states. Second operand 7023 states. [2020-07-11 01:01:20,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:01:20,627 INFO L93 Difference]: Finished difference Result 7025 states and 9199 transitions. [2020-07-11 01:01:20,627 INFO L276 IsEmpty]: Start isEmpty. Operand 7025 states and 9199 transitions. [2020-07-11 01:01:20,638 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:01:20,638 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:01:20,638 INFO L74 IsIncluded]: Start isIncluded. First operand 7023 states. Second operand 7025 states. [2020-07-11 01:01:20,639 INFO L87 Difference]: Start difference. First operand 7023 states. Second operand 7025 states. [2020-07-11 01:01:22,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:01:22,531 INFO L93 Difference]: Finished difference Result 7025 states and 9199 transitions. [2020-07-11 01:01:22,531 INFO L276 IsEmpty]: Start isEmpty. Operand 7025 states and 9199 transitions. [2020-07-11 01:01:22,539 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:01:22,539 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:01:22,539 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 01:01:22,539 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 01:01:22,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7023 states. [2020-07-11 01:01:24,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7023 states to 7023 states and 9198 transitions. [2020-07-11 01:01:24,363 INFO L78 Accepts]: Start accepts. Automaton has 7023 states and 9198 transitions. Word has length 79 [2020-07-11 01:01:24,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 01:01:24,363 INFO L479 AbstractCegarLoop]: Abstraction has 7023 states and 9198 transitions. [2020-07-11 01:01:24,363 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-11 01:01:24,363 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7023 states and 9198 transitions. [2020-07-11 01:01:36,932 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 9198 edges. 9198 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:01:36,933 INFO L276 IsEmpty]: Start isEmpty. Operand 7023 states and 9198 transitions. [2020-07-11 01:01:36,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-07-11 01:01:36,936 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 01:01:36,936 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] [2020-07-11 01:01:36,937 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-07-11 01:01:36,937 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 01:01:36,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 01:01:36,937 INFO L82 PathProgramCache]: Analyzing trace with hash -358562811, now seen corresponding path program 1 times [2020-07-11 01:01:36,937 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 01:01:36,937 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [499841925] [2020-07-11 01:01:36,938 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 01:01:36,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:01:37,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:01:37,007 INFO L280 TraceCheckUtils]: 0: Hoare triple {134905#true} assume true; {134905#true} is VALID [2020-07-11 01:01:37,007 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {134905#true} {134905#true} #271#return; {134905#true} is VALID [2020-07-11 01:01:37,008 INFO L263 TraceCheckUtils]: 0: Hoare triple {134905#true} call ULTIMATE.init(); {134905#true} is VALID [2020-07-11 01:01:37,008 INFO L280 TraceCheckUtils]: 1: Hoare triple {134905#true} assume true; {134905#true} is VALID [2020-07-11 01:01:37,008 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {134905#true} {134905#true} #271#return; {134905#true} is VALID [2020-07-11 01:01:37,008 INFO L263 TraceCheckUtils]: 3: Hoare triple {134905#true} call #t~ret11 := main(); {134905#true} is VALID [2020-07-11 01:01:37,009 INFO L280 TraceCheckUtils]: 4: Hoare triple {134905#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {134905#true} is VALID [2020-07-11 01:01:37,009 INFO L280 TraceCheckUtils]: 5: Hoare triple {134905#true} ~p1~0 := #t~nondet0; {134905#true} is VALID [2020-07-11 01:01:37,009 INFO L280 TraceCheckUtils]: 6: Hoare triple {134905#true} havoc #t~nondet0; {134905#true} is VALID [2020-07-11 01:01:37,009 INFO L280 TraceCheckUtils]: 7: Hoare triple {134905#true} havoc ~lk1~0; {134905#true} is VALID [2020-07-11 01:01:37,009 INFO L280 TraceCheckUtils]: 8: Hoare triple {134905#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {134905#true} is VALID [2020-07-11 01:01:37,010 INFO L280 TraceCheckUtils]: 9: Hoare triple {134905#true} ~p2~0 := #t~nondet1; {134905#true} is VALID [2020-07-11 01:01:37,010 INFO L280 TraceCheckUtils]: 10: Hoare triple {134905#true} havoc #t~nondet1; {134905#true} is VALID [2020-07-11 01:01:37,010 INFO L280 TraceCheckUtils]: 11: Hoare triple {134905#true} havoc ~lk2~0; {134905#true} is VALID [2020-07-11 01:01:37,010 INFO L280 TraceCheckUtils]: 12: Hoare triple {134905#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {134905#true} is VALID [2020-07-11 01:01:37,010 INFO L280 TraceCheckUtils]: 13: Hoare triple {134905#true} ~p3~0 := #t~nondet2; {134905#true} is VALID [2020-07-11 01:01:37,010 INFO L280 TraceCheckUtils]: 14: Hoare triple {134905#true} havoc #t~nondet2; {134905#true} is VALID [2020-07-11 01:01:37,011 INFO L280 TraceCheckUtils]: 15: Hoare triple {134905#true} havoc ~lk3~0; {134905#true} is VALID [2020-07-11 01:01:37,011 INFO L280 TraceCheckUtils]: 16: Hoare triple {134905#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {134905#true} is VALID [2020-07-11 01:01:37,011 INFO L280 TraceCheckUtils]: 17: Hoare triple {134905#true} ~p4~0 := #t~nondet3; {134905#true} is VALID [2020-07-11 01:01:37,011 INFO L280 TraceCheckUtils]: 18: Hoare triple {134905#true} havoc #t~nondet3; {134905#true} is VALID [2020-07-11 01:01:37,011 INFO L280 TraceCheckUtils]: 19: Hoare triple {134905#true} havoc ~lk4~0; {134905#true} is VALID [2020-07-11 01:01:37,011 INFO L280 TraceCheckUtils]: 20: Hoare triple {134905#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {134905#true} is VALID [2020-07-11 01:01:37,012 INFO L280 TraceCheckUtils]: 21: Hoare triple {134905#true} ~p5~0 := #t~nondet4; {134905#true} is VALID [2020-07-11 01:01:37,012 INFO L280 TraceCheckUtils]: 22: Hoare triple {134905#true} havoc #t~nondet4; {134905#true} is VALID [2020-07-11 01:01:37,012 INFO L280 TraceCheckUtils]: 23: Hoare triple {134905#true} havoc ~lk5~0; {134905#true} is VALID [2020-07-11 01:01:37,012 INFO L280 TraceCheckUtils]: 24: Hoare triple {134905#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {134905#true} is VALID [2020-07-11 01:01:37,012 INFO L280 TraceCheckUtils]: 25: Hoare triple {134905#true} ~p6~0 := #t~nondet5; {134905#true} is VALID [2020-07-11 01:01:37,012 INFO L280 TraceCheckUtils]: 26: Hoare triple {134905#true} havoc #t~nondet5; {134905#true} is VALID [2020-07-11 01:01:37,013 INFO L280 TraceCheckUtils]: 27: Hoare triple {134905#true} havoc ~lk6~0; {134905#true} is VALID [2020-07-11 01:01:37,013 INFO L280 TraceCheckUtils]: 28: Hoare triple {134905#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {134905#true} is VALID [2020-07-11 01:01:37,013 INFO L280 TraceCheckUtils]: 29: Hoare triple {134905#true} ~p7~0 := #t~nondet6; {134905#true} is VALID [2020-07-11 01:01:37,013 INFO L280 TraceCheckUtils]: 30: Hoare triple {134905#true} havoc #t~nondet6; {134905#true} is VALID [2020-07-11 01:01:37,013 INFO L280 TraceCheckUtils]: 31: Hoare triple {134905#true} havoc ~lk7~0; {134905#true} is VALID [2020-07-11 01:01:37,014 INFO L280 TraceCheckUtils]: 32: Hoare triple {134905#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {134905#true} is VALID [2020-07-11 01:01:37,014 INFO L280 TraceCheckUtils]: 33: Hoare triple {134905#true} ~p8~0 := #t~nondet7; {134905#true} is VALID [2020-07-11 01:01:37,014 INFO L280 TraceCheckUtils]: 34: Hoare triple {134905#true} havoc #t~nondet7; {134905#true} is VALID [2020-07-11 01:01:37,014 INFO L280 TraceCheckUtils]: 35: Hoare triple {134905#true} havoc ~lk8~0; {134905#true} is VALID [2020-07-11 01:01:37,014 INFO L280 TraceCheckUtils]: 36: Hoare triple {134905#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {134905#true} is VALID [2020-07-11 01:01:37,015 INFO L280 TraceCheckUtils]: 37: Hoare triple {134905#true} ~p9~0 := #t~nondet8; {134905#true} is VALID [2020-07-11 01:01:37,015 INFO L280 TraceCheckUtils]: 38: Hoare triple {134905#true} havoc #t~nondet8; {134905#true} is VALID [2020-07-11 01:01:37,015 INFO L280 TraceCheckUtils]: 39: Hoare triple {134905#true} havoc ~lk9~0; {134905#true} is VALID [2020-07-11 01:01:37,015 INFO L280 TraceCheckUtils]: 40: Hoare triple {134905#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {134905#true} is VALID [2020-07-11 01:01:37,015 INFO L280 TraceCheckUtils]: 41: Hoare triple {134905#true} ~p10~0 := #t~nondet9; {134905#true} is VALID [2020-07-11 01:01:37,016 INFO L280 TraceCheckUtils]: 42: Hoare triple {134905#true} havoc #t~nondet9; {134905#true} is VALID [2020-07-11 01:01:37,016 INFO L280 TraceCheckUtils]: 43: Hoare triple {134905#true} havoc ~lk10~0; {134905#true} is VALID [2020-07-11 01:01:37,016 INFO L280 TraceCheckUtils]: 44: Hoare triple {134905#true} havoc ~cond~0; {134905#true} is VALID [2020-07-11 01:01:37,016 INFO L280 TraceCheckUtils]: 45: Hoare triple {134905#true} assume !false; {134905#true} is VALID [2020-07-11 01:01:37,016 INFO L280 TraceCheckUtils]: 46: Hoare triple {134905#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {134905#true} is VALID [2020-07-11 01:01:37,016 INFO L280 TraceCheckUtils]: 47: Hoare triple {134905#true} ~cond~0 := #t~nondet10; {134905#true} is VALID [2020-07-11 01:01:37,017 INFO L280 TraceCheckUtils]: 48: Hoare triple {134905#true} havoc #t~nondet10; {134905#true} is VALID [2020-07-11 01:01:37,017 INFO L280 TraceCheckUtils]: 49: Hoare triple {134905#true} assume !(0 == ~cond~0); {134905#true} is VALID [2020-07-11 01:01:37,017 INFO L280 TraceCheckUtils]: 50: Hoare triple {134905#true} ~lk1~0 := 0; {134905#true} is VALID [2020-07-11 01:01:37,017 INFO L280 TraceCheckUtils]: 51: Hoare triple {134905#true} ~lk2~0 := 0; {134905#true} is VALID [2020-07-11 01:01:37,017 INFO L280 TraceCheckUtils]: 52: Hoare triple {134905#true} ~lk3~0 := 0; {134905#true} is VALID [2020-07-11 01:01:37,018 INFO L280 TraceCheckUtils]: 53: Hoare triple {134905#true} ~lk4~0 := 0; {134905#true} is VALID [2020-07-11 01:01:37,018 INFO L280 TraceCheckUtils]: 54: Hoare triple {134905#true} ~lk5~0 := 0; {134905#true} is VALID [2020-07-11 01:01:37,018 INFO L280 TraceCheckUtils]: 55: Hoare triple {134905#true} ~lk6~0 := 0; {134905#true} is VALID [2020-07-11 01:01:37,018 INFO L280 TraceCheckUtils]: 56: Hoare triple {134905#true} ~lk7~0 := 0; {134905#true} is VALID [2020-07-11 01:01:37,018 INFO L280 TraceCheckUtils]: 57: Hoare triple {134905#true} ~lk8~0 := 0; {134905#true} is VALID [2020-07-11 01:01:37,019 INFO L280 TraceCheckUtils]: 58: Hoare triple {134905#true} ~lk9~0 := 0; {134905#true} is VALID [2020-07-11 01:01:37,019 INFO L280 TraceCheckUtils]: 59: Hoare triple {134905#true} ~lk10~0 := 0; {134905#true} is VALID [2020-07-11 01:01:37,019 INFO L280 TraceCheckUtils]: 60: Hoare triple {134905#true} assume !(0 != ~p1~0); {134905#true} is VALID [2020-07-11 01:01:37,019 INFO L280 TraceCheckUtils]: 61: Hoare triple {134905#true} assume !(0 != ~p2~0); {134905#true} is VALID [2020-07-11 01:01:37,019 INFO L280 TraceCheckUtils]: 62: Hoare triple {134905#true} assume !(0 != ~p3~0); {134905#true} is VALID [2020-07-11 01:01:37,019 INFO L280 TraceCheckUtils]: 63: Hoare triple {134905#true} assume !(0 != ~p4~0); {134905#true} is VALID [2020-07-11 01:01:37,020 INFO L280 TraceCheckUtils]: 64: Hoare triple {134905#true} assume !(0 != ~p5~0); {134905#true} is VALID [2020-07-11 01:01:37,020 INFO L280 TraceCheckUtils]: 65: Hoare triple {134905#true} assume 0 != ~p6~0; {134905#true} is VALID [2020-07-11 01:01:37,020 INFO L280 TraceCheckUtils]: 66: Hoare triple {134905#true} ~lk6~0 := 1; {134909#(= 1 main_~lk6~0)} is VALID [2020-07-11 01:01:37,021 INFO L280 TraceCheckUtils]: 67: Hoare triple {134909#(= 1 main_~lk6~0)} assume !(0 != ~p7~0); {134909#(= 1 main_~lk6~0)} is VALID [2020-07-11 01:01:37,021 INFO L280 TraceCheckUtils]: 68: Hoare triple {134909#(= 1 main_~lk6~0)} assume !(0 != ~p8~0); {134909#(= 1 main_~lk6~0)} is VALID [2020-07-11 01:01:37,022 INFO L280 TraceCheckUtils]: 69: Hoare triple {134909#(= 1 main_~lk6~0)} assume !(0 != ~p9~0); {134909#(= 1 main_~lk6~0)} is VALID [2020-07-11 01:01:37,022 INFO L280 TraceCheckUtils]: 70: Hoare triple {134909#(= 1 main_~lk6~0)} assume !(0 != ~p10~0); {134909#(= 1 main_~lk6~0)} is VALID [2020-07-11 01:01:37,023 INFO L280 TraceCheckUtils]: 71: Hoare triple {134909#(= 1 main_~lk6~0)} assume !(0 != ~p1~0); {134909#(= 1 main_~lk6~0)} is VALID [2020-07-11 01:01:37,023 INFO L280 TraceCheckUtils]: 72: Hoare triple {134909#(= 1 main_~lk6~0)} assume !(0 != ~p2~0); {134909#(= 1 main_~lk6~0)} is VALID [2020-07-11 01:01:37,024 INFO L280 TraceCheckUtils]: 73: Hoare triple {134909#(= 1 main_~lk6~0)} assume !(0 != ~p3~0); {134909#(= 1 main_~lk6~0)} is VALID [2020-07-11 01:01:37,024 INFO L280 TraceCheckUtils]: 74: Hoare triple {134909#(= 1 main_~lk6~0)} assume !(0 != ~p4~0); {134909#(= 1 main_~lk6~0)} is VALID [2020-07-11 01:01:37,024 INFO L280 TraceCheckUtils]: 75: Hoare triple {134909#(= 1 main_~lk6~0)} assume !(0 != ~p5~0); {134909#(= 1 main_~lk6~0)} is VALID [2020-07-11 01:01:37,025 INFO L280 TraceCheckUtils]: 76: Hoare triple {134909#(= 1 main_~lk6~0)} assume 0 != ~p6~0; {134909#(= 1 main_~lk6~0)} is VALID [2020-07-11 01:01:37,025 INFO L280 TraceCheckUtils]: 77: Hoare triple {134909#(= 1 main_~lk6~0)} assume 1 != ~lk6~0; {134906#false} is VALID [2020-07-11 01:01:37,026 INFO L280 TraceCheckUtils]: 78: Hoare triple {134906#false} assume !false; {134906#false} is VALID [2020-07-11 01:01:37,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 01:01:37,029 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [499841925] [2020-07-11 01:01:37,030 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 01:01:37,030 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-11 01:01:37,030 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339763576] [2020-07-11 01:01:37,030 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2020-07-11 01:01:37,031 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 01:01:37,031 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-11 01:01:37,101 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 79 edges. 79 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:01:37,101 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-11 01:01:37,101 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 01:01:37,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-11 01:01:37,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-11 01:01:37,102 INFO L87 Difference]: Start difference. First operand 7023 states and 9198 transitions. Second operand 3 states. [2020-07-11 01:02:06,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:02:06,116 INFO L93 Difference]: Finished difference Result 8435 states and 11056 transitions. [2020-07-11 01:02:06,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-11 01:02:06,117 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2020-07-11 01:02:06,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 01:02:06,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-11 01:02:06,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 202 transitions. [2020-07-11 01:02:06,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-11 01:02:06,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 202 transitions. [2020-07-11 01:02:06,120 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 202 transitions. [2020-07-11 01:02:06,312 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 202 edges. 202 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:02:09,087 INFO L225 Difference]: With dead ends: 8435 [2020-07-11 01:02:09,087 INFO L226 Difference]: Without dead ends: 8433 [2020-07-11 01:02:09,089 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-11 01:02:09,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8433 states. [2020-07-11 01:02:31,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8433 to 7023. [2020-07-11 01:02:31,453 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 01:02:31,453 INFO L82 GeneralOperation]: Start isEquivalent. First operand 8433 states. Second operand 7023 states. [2020-07-11 01:02:31,453 INFO L74 IsIncluded]: Start isIncluded. First operand 8433 states. Second operand 7023 states. [2020-07-11 01:02:31,453 INFO L87 Difference]: Start difference. First operand 8433 states. Second operand 7023 states. [2020-07-11 01:02:33,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:02:33,852 INFO L93 Difference]: Finished difference Result 8433 states and 10991 transitions. [2020-07-11 01:02:33,852 INFO L276 IsEmpty]: Start isEmpty. Operand 8433 states and 10991 transitions. [2020-07-11 01:02:33,861 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:02:33,861 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:02:33,861 INFO L74 IsIncluded]: Start isIncluded. First operand 7023 states. Second operand 8433 states. [2020-07-11 01:02:33,861 INFO L87 Difference]: Start difference. First operand 7023 states. Second operand 8433 states. [2020-07-11 01:02:36,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:02:36,265 INFO L93 Difference]: Finished difference Result 8433 states and 10991 transitions. [2020-07-11 01:02:36,265 INFO L276 IsEmpty]: Start isEmpty. Operand 8433 states and 10991 transitions. [2020-07-11 01:02:36,274 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:02:36,275 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:02:36,275 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 01:02:36,275 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 01:02:36,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7023 states. [2020-07-11 01:02:38,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7023 states to 7023 states and 9134 transitions. [2020-07-11 01:02:38,128 INFO L78 Accepts]: Start accepts. Automaton has 7023 states and 9134 transitions. Word has length 79 [2020-07-11 01:02:38,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 01:02:38,129 INFO L479 AbstractCegarLoop]: Abstraction has 7023 states and 9134 transitions. [2020-07-11 01:02:38,129 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-11 01:02:38,129 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7023 states and 9134 transitions. [2020-07-11 01:02:51,249 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 9134 edges. 9134 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:02:51,250 INFO L276 IsEmpty]: Start isEmpty. Operand 7023 states and 9134 transitions. [2020-07-11 01:02:51,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-07-11 01:02:51,253 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 01:02:51,253 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] [2020-07-11 01:02:51,253 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-07-11 01:02:51,253 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 01:02:51,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 01:02:51,254 INFO L82 PathProgramCache]: Analyzing trace with hash -449157072, now seen corresponding path program 1 times [2020-07-11 01:02:51,254 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 01:02:51,254 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [607559972] [2020-07-11 01:02:51,254 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 01:02:51,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:02:51,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:02:51,306 INFO L280 TraceCheckUtils]: 0: Hoare triple {182694#true} assume true; {182694#true} is VALID [2020-07-11 01:02:51,307 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {182694#true} {182694#true} #271#return; {182694#true} is VALID [2020-07-11 01:02:51,307 INFO L263 TraceCheckUtils]: 0: Hoare triple {182694#true} call ULTIMATE.init(); {182694#true} is VALID [2020-07-11 01:02:51,307 INFO L280 TraceCheckUtils]: 1: Hoare triple {182694#true} assume true; {182694#true} is VALID [2020-07-11 01:02:51,307 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {182694#true} {182694#true} #271#return; {182694#true} is VALID [2020-07-11 01:02:51,307 INFO L263 TraceCheckUtils]: 3: Hoare triple {182694#true} call #t~ret11 := main(); {182694#true} is VALID [2020-07-11 01:02:51,308 INFO L280 TraceCheckUtils]: 4: Hoare triple {182694#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {182694#true} is VALID [2020-07-11 01:02:51,308 INFO L280 TraceCheckUtils]: 5: Hoare triple {182694#true} ~p1~0 := #t~nondet0; {182694#true} is VALID [2020-07-11 01:02:51,308 INFO L280 TraceCheckUtils]: 6: Hoare triple {182694#true} havoc #t~nondet0; {182694#true} is VALID [2020-07-11 01:02:51,309 INFO L280 TraceCheckUtils]: 7: Hoare triple {182694#true} havoc ~lk1~0; {182694#true} is VALID [2020-07-11 01:02:51,309 INFO L280 TraceCheckUtils]: 8: Hoare triple {182694#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {182694#true} is VALID [2020-07-11 01:02:51,310 INFO L280 TraceCheckUtils]: 9: Hoare triple {182694#true} ~p2~0 := #t~nondet1; {182694#true} is VALID [2020-07-11 01:02:51,310 INFO L280 TraceCheckUtils]: 10: Hoare triple {182694#true} havoc #t~nondet1; {182694#true} is VALID [2020-07-11 01:02:51,310 INFO L280 TraceCheckUtils]: 11: Hoare triple {182694#true} havoc ~lk2~0; {182694#true} is VALID [2020-07-11 01:02:51,310 INFO L280 TraceCheckUtils]: 12: Hoare triple {182694#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {182694#true} is VALID [2020-07-11 01:02:51,310 INFO L280 TraceCheckUtils]: 13: Hoare triple {182694#true} ~p3~0 := #t~nondet2; {182694#true} is VALID [2020-07-11 01:02:51,311 INFO L280 TraceCheckUtils]: 14: Hoare triple {182694#true} havoc #t~nondet2; {182694#true} is VALID [2020-07-11 01:02:51,311 INFO L280 TraceCheckUtils]: 15: Hoare triple {182694#true} havoc ~lk3~0; {182694#true} is VALID [2020-07-11 01:02:51,311 INFO L280 TraceCheckUtils]: 16: Hoare triple {182694#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {182694#true} is VALID [2020-07-11 01:02:51,311 INFO L280 TraceCheckUtils]: 17: Hoare triple {182694#true} ~p4~0 := #t~nondet3; {182694#true} is VALID [2020-07-11 01:02:51,311 INFO L280 TraceCheckUtils]: 18: Hoare triple {182694#true} havoc #t~nondet3; {182694#true} is VALID [2020-07-11 01:02:51,312 INFO L280 TraceCheckUtils]: 19: Hoare triple {182694#true} havoc ~lk4~0; {182694#true} is VALID [2020-07-11 01:02:51,312 INFO L280 TraceCheckUtils]: 20: Hoare triple {182694#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {182694#true} is VALID [2020-07-11 01:02:51,312 INFO L280 TraceCheckUtils]: 21: Hoare triple {182694#true} ~p5~0 := #t~nondet4; {182694#true} is VALID [2020-07-11 01:02:51,313 INFO L280 TraceCheckUtils]: 22: Hoare triple {182694#true} havoc #t~nondet4; {182694#true} is VALID [2020-07-11 01:02:51,313 INFO L280 TraceCheckUtils]: 23: Hoare triple {182694#true} havoc ~lk5~0; {182694#true} is VALID [2020-07-11 01:02:51,313 INFO L280 TraceCheckUtils]: 24: Hoare triple {182694#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {182694#true} is VALID [2020-07-11 01:02:51,313 INFO L280 TraceCheckUtils]: 25: Hoare triple {182694#true} ~p6~0 := #t~nondet5; {182694#true} is VALID [2020-07-11 01:02:51,314 INFO L280 TraceCheckUtils]: 26: Hoare triple {182694#true} havoc #t~nondet5; {182694#true} is VALID [2020-07-11 01:02:51,314 INFO L280 TraceCheckUtils]: 27: Hoare triple {182694#true} havoc ~lk6~0; {182694#true} is VALID [2020-07-11 01:02:51,314 INFO L280 TraceCheckUtils]: 28: Hoare triple {182694#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {182694#true} is VALID [2020-07-11 01:02:51,314 INFO L280 TraceCheckUtils]: 29: Hoare triple {182694#true} ~p7~0 := #t~nondet6; {182694#true} is VALID [2020-07-11 01:02:51,314 INFO L280 TraceCheckUtils]: 30: Hoare triple {182694#true} havoc #t~nondet6; {182694#true} is VALID [2020-07-11 01:02:51,314 INFO L280 TraceCheckUtils]: 31: Hoare triple {182694#true} havoc ~lk7~0; {182694#true} is VALID [2020-07-11 01:02:51,315 INFO L280 TraceCheckUtils]: 32: Hoare triple {182694#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {182694#true} is VALID [2020-07-11 01:02:51,315 INFO L280 TraceCheckUtils]: 33: Hoare triple {182694#true} ~p8~0 := #t~nondet7; {182694#true} is VALID [2020-07-11 01:02:51,315 INFO L280 TraceCheckUtils]: 34: Hoare triple {182694#true} havoc #t~nondet7; {182694#true} is VALID [2020-07-11 01:02:51,315 INFO L280 TraceCheckUtils]: 35: Hoare triple {182694#true} havoc ~lk8~0; {182694#true} is VALID [2020-07-11 01:02:51,315 INFO L280 TraceCheckUtils]: 36: Hoare triple {182694#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {182694#true} is VALID [2020-07-11 01:02:51,315 INFO L280 TraceCheckUtils]: 37: Hoare triple {182694#true} ~p9~0 := #t~nondet8; {182694#true} is VALID [2020-07-11 01:02:51,316 INFO L280 TraceCheckUtils]: 38: Hoare triple {182694#true} havoc #t~nondet8; {182694#true} is VALID [2020-07-11 01:02:51,316 INFO L280 TraceCheckUtils]: 39: Hoare triple {182694#true} havoc ~lk9~0; {182694#true} is VALID [2020-07-11 01:02:51,316 INFO L280 TraceCheckUtils]: 40: Hoare triple {182694#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {182694#true} is VALID [2020-07-11 01:02:51,316 INFO L280 TraceCheckUtils]: 41: Hoare triple {182694#true} ~p10~0 := #t~nondet9; {182694#true} is VALID [2020-07-11 01:02:51,316 INFO L280 TraceCheckUtils]: 42: Hoare triple {182694#true} havoc #t~nondet9; {182694#true} is VALID [2020-07-11 01:02:51,317 INFO L280 TraceCheckUtils]: 43: Hoare triple {182694#true} havoc ~lk10~0; {182694#true} is VALID [2020-07-11 01:02:51,317 INFO L280 TraceCheckUtils]: 44: Hoare triple {182694#true} havoc ~cond~0; {182694#true} is VALID [2020-07-11 01:02:51,317 INFO L280 TraceCheckUtils]: 45: Hoare triple {182694#true} assume !false; {182694#true} is VALID [2020-07-11 01:02:51,317 INFO L280 TraceCheckUtils]: 46: Hoare triple {182694#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {182694#true} is VALID [2020-07-11 01:02:51,317 INFO L280 TraceCheckUtils]: 47: Hoare triple {182694#true} ~cond~0 := #t~nondet10; {182694#true} is VALID [2020-07-11 01:02:51,317 INFO L280 TraceCheckUtils]: 48: Hoare triple {182694#true} havoc #t~nondet10; {182694#true} is VALID [2020-07-11 01:02:51,318 INFO L280 TraceCheckUtils]: 49: Hoare triple {182694#true} assume !(0 == ~cond~0); {182694#true} is VALID [2020-07-11 01:02:51,318 INFO L280 TraceCheckUtils]: 50: Hoare triple {182694#true} ~lk1~0 := 0; {182694#true} is VALID [2020-07-11 01:02:51,318 INFO L280 TraceCheckUtils]: 51: Hoare triple {182694#true} ~lk2~0 := 0; {182694#true} is VALID [2020-07-11 01:02:51,318 INFO L280 TraceCheckUtils]: 52: Hoare triple {182694#true} ~lk3~0 := 0; {182694#true} is VALID [2020-07-11 01:02:51,319 INFO L280 TraceCheckUtils]: 53: Hoare triple {182694#true} ~lk4~0 := 0; {182694#true} is VALID [2020-07-11 01:02:51,319 INFO L280 TraceCheckUtils]: 54: Hoare triple {182694#true} ~lk5~0 := 0; {182694#true} is VALID [2020-07-11 01:02:51,319 INFO L280 TraceCheckUtils]: 55: Hoare triple {182694#true} ~lk6~0 := 0; {182694#true} is VALID [2020-07-11 01:02:51,319 INFO L280 TraceCheckUtils]: 56: Hoare triple {182694#true} ~lk7~0 := 0; {182694#true} is VALID [2020-07-11 01:02:51,319 INFO L280 TraceCheckUtils]: 57: Hoare triple {182694#true} ~lk8~0 := 0; {182694#true} is VALID [2020-07-11 01:02:51,320 INFO L280 TraceCheckUtils]: 58: Hoare triple {182694#true} ~lk9~0 := 0; {182694#true} is VALID [2020-07-11 01:02:51,320 INFO L280 TraceCheckUtils]: 59: Hoare triple {182694#true} ~lk10~0 := 0; {182694#true} is VALID [2020-07-11 01:02:51,320 INFO L280 TraceCheckUtils]: 60: Hoare triple {182694#true} assume !(0 != ~p1~0); {182694#true} is VALID [2020-07-11 01:02:51,320 INFO L280 TraceCheckUtils]: 61: Hoare triple {182694#true} assume !(0 != ~p2~0); {182694#true} is VALID [2020-07-11 01:02:51,320 INFO L280 TraceCheckUtils]: 62: Hoare triple {182694#true} assume !(0 != ~p3~0); {182694#true} is VALID [2020-07-11 01:02:51,321 INFO L280 TraceCheckUtils]: 63: Hoare triple {182694#true} assume !(0 != ~p4~0); {182694#true} is VALID [2020-07-11 01:02:51,321 INFO L280 TraceCheckUtils]: 64: Hoare triple {182694#true} assume !(0 != ~p5~0); {182694#true} is VALID [2020-07-11 01:02:51,321 INFO L280 TraceCheckUtils]: 65: Hoare triple {182694#true} assume !(0 != ~p6~0); {182694#true} is VALID [2020-07-11 01:02:51,321 INFO L280 TraceCheckUtils]: 66: Hoare triple {182694#true} assume 0 != ~p7~0; {182694#true} is VALID [2020-07-11 01:02:51,322 INFO L280 TraceCheckUtils]: 67: Hoare triple {182694#true} ~lk7~0 := 1; {182698#(= main_~lk7~0 1)} is VALID [2020-07-11 01:02:51,322 INFO L280 TraceCheckUtils]: 68: Hoare triple {182698#(= main_~lk7~0 1)} assume !(0 != ~p8~0); {182698#(= main_~lk7~0 1)} is VALID [2020-07-11 01:02:51,323 INFO L280 TraceCheckUtils]: 69: Hoare triple {182698#(= main_~lk7~0 1)} assume !(0 != ~p9~0); {182698#(= main_~lk7~0 1)} is VALID [2020-07-11 01:02:51,323 INFO L280 TraceCheckUtils]: 70: Hoare triple {182698#(= main_~lk7~0 1)} assume !(0 != ~p10~0); {182698#(= main_~lk7~0 1)} is VALID [2020-07-11 01:02:51,324 INFO L280 TraceCheckUtils]: 71: Hoare triple {182698#(= main_~lk7~0 1)} assume !(0 != ~p1~0); {182698#(= main_~lk7~0 1)} is VALID [2020-07-11 01:02:51,324 INFO L280 TraceCheckUtils]: 72: Hoare triple {182698#(= main_~lk7~0 1)} assume !(0 != ~p2~0); {182698#(= main_~lk7~0 1)} is VALID [2020-07-11 01:02:51,325 INFO L280 TraceCheckUtils]: 73: Hoare triple {182698#(= main_~lk7~0 1)} assume !(0 != ~p3~0); {182698#(= main_~lk7~0 1)} is VALID [2020-07-11 01:02:51,325 INFO L280 TraceCheckUtils]: 74: Hoare triple {182698#(= main_~lk7~0 1)} assume !(0 != ~p4~0); {182698#(= main_~lk7~0 1)} is VALID [2020-07-11 01:02:51,326 INFO L280 TraceCheckUtils]: 75: Hoare triple {182698#(= main_~lk7~0 1)} assume !(0 != ~p5~0); {182698#(= main_~lk7~0 1)} is VALID [2020-07-11 01:02:51,326 INFO L280 TraceCheckUtils]: 76: Hoare triple {182698#(= main_~lk7~0 1)} assume !(0 != ~p6~0); {182698#(= main_~lk7~0 1)} is VALID [2020-07-11 01:02:51,326 INFO L280 TraceCheckUtils]: 77: Hoare triple {182698#(= main_~lk7~0 1)} assume 0 != ~p7~0; {182698#(= main_~lk7~0 1)} is VALID [2020-07-11 01:02:51,327 INFO L280 TraceCheckUtils]: 78: Hoare triple {182698#(= main_~lk7~0 1)} assume 1 != ~lk7~0; {182695#false} is VALID [2020-07-11 01:02:51,327 INFO L280 TraceCheckUtils]: 79: Hoare triple {182695#false} assume !false; {182695#false} is VALID [2020-07-11 01:02:51,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 01:02:51,332 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [607559972] [2020-07-11 01:02:51,332 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 01:02:51,332 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-11 01:02:51,332 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201904961] [2020-07-11 01:02:51,333 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 80 [2020-07-11 01:02:51,333 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 01:02:51,333 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-11 01:02:51,402 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 80 edges. 80 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:02:51,403 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-11 01:02:51,403 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 01:02:51,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-11 01:02:51,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-11 01:02:51,404 INFO L87 Difference]: Start difference. First operand 7023 states and 9134 transitions. Second operand 3 states. [2020-07-11 01:03:22,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:03:22,613 INFO L93 Difference]: Finished difference Result 8371 states and 10864 transitions. [2020-07-11 01:03:22,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-11 01:03:22,613 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 80 [2020-07-11 01:03:22,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 01:03:22,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-11 01:03:22,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 198 transitions. [2020-07-11 01:03:22,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-11 01:03:22,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 198 transitions. [2020-07-11 01:03:22,617 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 198 transitions. [2020-07-11 01:03:22,805 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 198 edges. 198 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:03:25,191 INFO L225 Difference]: With dead ends: 8371 [2020-07-11 01:03:25,192 INFO L226 Difference]: Without dead ends: 8369 [2020-07-11 01:03:25,193 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-11 01:03:25,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8369 states. [2020-07-11 01:03:49,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8369 to 7023. [2020-07-11 01:03:49,131 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 01:03:49,131 INFO L82 GeneralOperation]: Start isEquivalent. First operand 8369 states. Second operand 7023 states. [2020-07-11 01:03:49,131 INFO L74 IsIncluded]: Start isIncluded. First operand 8369 states. Second operand 7023 states. [2020-07-11 01:03:49,131 INFO L87 Difference]: Start difference. First operand 8369 states. Second operand 7023 states. [2020-07-11 01:03:51,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:03:51,399 INFO L93 Difference]: Finished difference Result 8369 states and 10799 transitions. [2020-07-11 01:03:51,399 INFO L276 IsEmpty]: Start isEmpty. Operand 8369 states and 10799 transitions. [2020-07-11 01:03:51,404 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:03:51,405 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:03:51,405 INFO L74 IsIncluded]: Start isIncluded. First operand 7023 states. Second operand 8369 states. [2020-07-11 01:03:51,405 INFO L87 Difference]: Start difference. First operand 7023 states. Second operand 8369 states. [2020-07-11 01:03:53,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:03:53,756 INFO L93 Difference]: Finished difference Result 8369 states and 10799 transitions. [2020-07-11 01:03:53,756 INFO L276 IsEmpty]: Start isEmpty. Operand 8369 states and 10799 transitions. [2020-07-11 01:03:53,762 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:03:53,763 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:03:53,763 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 01:03:53,763 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 01:03:53,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7023 states. [2020-07-11 01:03:55,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7023 states to 7023 states and 9070 transitions. [2020-07-11 01:03:55,782 INFO L78 Accepts]: Start accepts. Automaton has 7023 states and 9070 transitions. Word has length 80 [2020-07-11 01:03:55,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 01:03:55,782 INFO L479 AbstractCegarLoop]: Abstraction has 7023 states and 9070 transitions. [2020-07-11 01:03:55,782 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-11 01:03:55,782 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7023 states and 9070 transitions. [2020-07-11 01:04:08,930 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 9070 edges. 9070 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:04:08,932 INFO L276 IsEmpty]: Start isEmpty. Operand 7023 states and 9070 transitions. [2020-07-11 01:04:08,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-07-11 01:04:08,935 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 01:04:08,936 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] [2020-07-11 01:04:08,936 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-07-11 01:04:08,936 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 01:04:08,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 01:04:08,937 INFO L82 PathProgramCache]: Analyzing trace with hash 179548138, now seen corresponding path program 1 times [2020-07-11 01:04:08,937 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 01:04:08,937 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2008412510] [2020-07-11 01:04:08,937 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 01:04:08,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:04:08,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:04:08,971 INFO L280 TraceCheckUtils]: 0: Hoare triple {230227#true} assume true; {230227#true} is VALID [2020-07-11 01:04:08,972 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {230227#true} {230227#true} #271#return; {230227#true} is VALID [2020-07-11 01:04:08,972 INFO L263 TraceCheckUtils]: 0: Hoare triple {230227#true} call ULTIMATE.init(); {230227#true} is VALID [2020-07-11 01:04:08,972 INFO L280 TraceCheckUtils]: 1: Hoare triple {230227#true} assume true; {230227#true} is VALID [2020-07-11 01:04:08,972 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {230227#true} {230227#true} #271#return; {230227#true} is VALID [2020-07-11 01:04:08,972 INFO L263 TraceCheckUtils]: 3: Hoare triple {230227#true} call #t~ret11 := main(); {230227#true} is VALID [2020-07-11 01:04:08,973 INFO L280 TraceCheckUtils]: 4: Hoare triple {230227#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {230227#true} is VALID [2020-07-11 01:04:08,973 INFO L280 TraceCheckUtils]: 5: Hoare triple {230227#true} ~p1~0 := #t~nondet0; {230227#true} is VALID [2020-07-11 01:04:08,973 INFO L280 TraceCheckUtils]: 6: Hoare triple {230227#true} havoc #t~nondet0; {230227#true} is VALID [2020-07-11 01:04:08,973 INFO L280 TraceCheckUtils]: 7: Hoare triple {230227#true} havoc ~lk1~0; {230227#true} is VALID [2020-07-11 01:04:08,973 INFO L280 TraceCheckUtils]: 8: Hoare triple {230227#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {230227#true} is VALID [2020-07-11 01:04:08,973 INFO L280 TraceCheckUtils]: 9: Hoare triple {230227#true} ~p2~0 := #t~nondet1; {230227#true} is VALID [2020-07-11 01:04:08,973 INFO L280 TraceCheckUtils]: 10: Hoare triple {230227#true} havoc #t~nondet1; {230227#true} is VALID [2020-07-11 01:04:08,974 INFO L280 TraceCheckUtils]: 11: Hoare triple {230227#true} havoc ~lk2~0; {230227#true} is VALID [2020-07-11 01:04:08,974 INFO L280 TraceCheckUtils]: 12: Hoare triple {230227#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {230227#true} is VALID [2020-07-11 01:04:08,974 INFO L280 TraceCheckUtils]: 13: Hoare triple {230227#true} ~p3~0 := #t~nondet2; {230227#true} is VALID [2020-07-11 01:04:08,974 INFO L280 TraceCheckUtils]: 14: Hoare triple {230227#true} havoc #t~nondet2; {230227#true} is VALID [2020-07-11 01:04:08,974 INFO L280 TraceCheckUtils]: 15: Hoare triple {230227#true} havoc ~lk3~0; {230227#true} is VALID [2020-07-11 01:04:08,975 INFO L280 TraceCheckUtils]: 16: Hoare triple {230227#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {230227#true} is VALID [2020-07-11 01:04:08,975 INFO L280 TraceCheckUtils]: 17: Hoare triple {230227#true} ~p4~0 := #t~nondet3; {230227#true} is VALID [2020-07-11 01:04:08,975 INFO L280 TraceCheckUtils]: 18: Hoare triple {230227#true} havoc #t~nondet3; {230227#true} is VALID [2020-07-11 01:04:08,975 INFO L280 TraceCheckUtils]: 19: Hoare triple {230227#true} havoc ~lk4~0; {230227#true} is VALID [2020-07-11 01:04:08,975 INFO L280 TraceCheckUtils]: 20: Hoare triple {230227#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {230227#true} is VALID [2020-07-11 01:04:08,975 INFO L280 TraceCheckUtils]: 21: Hoare triple {230227#true} ~p5~0 := #t~nondet4; {230227#true} is VALID [2020-07-11 01:04:08,976 INFO L280 TraceCheckUtils]: 22: Hoare triple {230227#true} havoc #t~nondet4; {230227#true} is VALID [2020-07-11 01:04:08,976 INFO L280 TraceCheckUtils]: 23: Hoare triple {230227#true} havoc ~lk5~0; {230227#true} is VALID [2020-07-11 01:04:08,976 INFO L280 TraceCheckUtils]: 24: Hoare triple {230227#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {230227#true} is VALID [2020-07-11 01:04:08,976 INFO L280 TraceCheckUtils]: 25: Hoare triple {230227#true} ~p6~0 := #t~nondet5; {230227#true} is VALID [2020-07-11 01:04:08,976 INFO L280 TraceCheckUtils]: 26: Hoare triple {230227#true} havoc #t~nondet5; {230227#true} is VALID [2020-07-11 01:04:08,976 INFO L280 TraceCheckUtils]: 27: Hoare triple {230227#true} havoc ~lk6~0; {230227#true} is VALID [2020-07-11 01:04:08,977 INFO L280 TraceCheckUtils]: 28: Hoare triple {230227#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {230227#true} is VALID [2020-07-11 01:04:08,977 INFO L280 TraceCheckUtils]: 29: Hoare triple {230227#true} ~p7~0 := #t~nondet6; {230227#true} is VALID [2020-07-11 01:04:08,977 INFO L280 TraceCheckUtils]: 30: Hoare triple {230227#true} havoc #t~nondet6; {230227#true} is VALID [2020-07-11 01:04:08,977 INFO L280 TraceCheckUtils]: 31: Hoare triple {230227#true} havoc ~lk7~0; {230227#true} is VALID [2020-07-11 01:04:08,977 INFO L280 TraceCheckUtils]: 32: Hoare triple {230227#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {230227#true} is VALID [2020-07-11 01:04:08,977 INFO L280 TraceCheckUtils]: 33: Hoare triple {230227#true} ~p8~0 := #t~nondet7; {230227#true} is VALID [2020-07-11 01:04:08,978 INFO L280 TraceCheckUtils]: 34: Hoare triple {230227#true} havoc #t~nondet7; {230227#true} is VALID [2020-07-11 01:04:08,978 INFO L280 TraceCheckUtils]: 35: Hoare triple {230227#true} havoc ~lk8~0; {230227#true} is VALID [2020-07-11 01:04:08,978 INFO L280 TraceCheckUtils]: 36: Hoare triple {230227#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {230227#true} is VALID [2020-07-11 01:04:08,978 INFO L280 TraceCheckUtils]: 37: Hoare triple {230227#true} ~p9~0 := #t~nondet8; {230227#true} is VALID [2020-07-11 01:04:08,979 INFO L280 TraceCheckUtils]: 38: Hoare triple {230227#true} havoc #t~nondet8; {230227#true} is VALID [2020-07-11 01:04:08,979 INFO L280 TraceCheckUtils]: 39: Hoare triple {230227#true} havoc ~lk9~0; {230227#true} is VALID [2020-07-11 01:04:08,979 INFO L280 TraceCheckUtils]: 40: Hoare triple {230227#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {230227#true} is VALID [2020-07-11 01:04:08,979 INFO L280 TraceCheckUtils]: 41: Hoare triple {230227#true} ~p10~0 := #t~nondet9; {230227#true} is VALID [2020-07-11 01:04:08,979 INFO L280 TraceCheckUtils]: 42: Hoare triple {230227#true} havoc #t~nondet9; {230227#true} is VALID [2020-07-11 01:04:08,979 INFO L280 TraceCheckUtils]: 43: Hoare triple {230227#true} havoc ~lk10~0; {230227#true} is VALID [2020-07-11 01:04:08,979 INFO L280 TraceCheckUtils]: 44: Hoare triple {230227#true} havoc ~cond~0; {230227#true} is VALID [2020-07-11 01:04:08,980 INFO L280 TraceCheckUtils]: 45: Hoare triple {230227#true} assume !false; {230227#true} is VALID [2020-07-11 01:04:08,980 INFO L280 TraceCheckUtils]: 46: Hoare triple {230227#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {230227#true} is VALID [2020-07-11 01:04:08,980 INFO L280 TraceCheckUtils]: 47: Hoare triple {230227#true} ~cond~0 := #t~nondet10; {230227#true} is VALID [2020-07-11 01:04:08,980 INFO L280 TraceCheckUtils]: 48: Hoare triple {230227#true} havoc #t~nondet10; {230227#true} is VALID [2020-07-11 01:04:08,980 INFO L280 TraceCheckUtils]: 49: Hoare triple {230227#true} assume !(0 == ~cond~0); {230227#true} is VALID [2020-07-11 01:04:08,980 INFO L280 TraceCheckUtils]: 50: Hoare triple {230227#true} ~lk1~0 := 0; {230227#true} is VALID [2020-07-11 01:04:08,980 INFO L280 TraceCheckUtils]: 51: Hoare triple {230227#true} ~lk2~0 := 0; {230227#true} is VALID [2020-07-11 01:04:08,980 INFO L280 TraceCheckUtils]: 52: Hoare triple {230227#true} ~lk3~0 := 0; {230227#true} is VALID [2020-07-11 01:04:08,981 INFO L280 TraceCheckUtils]: 53: Hoare triple {230227#true} ~lk4~0 := 0; {230227#true} is VALID [2020-07-11 01:04:08,981 INFO L280 TraceCheckUtils]: 54: Hoare triple {230227#true} ~lk5~0 := 0; {230227#true} is VALID [2020-07-11 01:04:08,981 INFO L280 TraceCheckUtils]: 55: Hoare triple {230227#true} ~lk6~0 := 0; {230227#true} is VALID [2020-07-11 01:04:08,981 INFO L280 TraceCheckUtils]: 56: Hoare triple {230227#true} ~lk7~0 := 0; {230227#true} is VALID [2020-07-11 01:04:08,981 INFO L280 TraceCheckUtils]: 57: Hoare triple {230227#true} ~lk8~0 := 0; {230227#true} is VALID [2020-07-11 01:04:08,981 INFO L280 TraceCheckUtils]: 58: Hoare triple {230227#true} ~lk9~0 := 0; {230227#true} is VALID [2020-07-11 01:04:08,981 INFO L280 TraceCheckUtils]: 59: Hoare triple {230227#true} ~lk10~0 := 0; {230227#true} is VALID [2020-07-11 01:04:08,981 INFO L280 TraceCheckUtils]: 60: Hoare triple {230227#true} assume !(0 != ~p1~0); {230227#true} is VALID [2020-07-11 01:04:08,982 INFO L280 TraceCheckUtils]: 61: Hoare triple {230227#true} assume !(0 != ~p2~0); {230227#true} is VALID [2020-07-11 01:04:08,982 INFO L280 TraceCheckUtils]: 62: Hoare triple {230227#true} assume !(0 != ~p3~0); {230227#true} is VALID [2020-07-11 01:04:08,982 INFO L280 TraceCheckUtils]: 63: Hoare triple {230227#true} assume !(0 != ~p4~0); {230227#true} is VALID [2020-07-11 01:04:08,982 INFO L280 TraceCheckUtils]: 64: Hoare triple {230227#true} assume !(0 != ~p5~0); {230227#true} is VALID [2020-07-11 01:04:08,982 INFO L280 TraceCheckUtils]: 65: Hoare triple {230227#true} assume !(0 != ~p6~0); {230227#true} is VALID [2020-07-11 01:04:08,982 INFO L280 TraceCheckUtils]: 66: Hoare triple {230227#true} assume !(0 != ~p7~0); {230227#true} is VALID [2020-07-11 01:04:08,983 INFO L280 TraceCheckUtils]: 67: Hoare triple {230227#true} assume !(0 != ~p8~0); {230231#(= 0 main_~p8~0)} is VALID [2020-07-11 01:04:08,983 INFO L280 TraceCheckUtils]: 68: Hoare triple {230231#(= 0 main_~p8~0)} assume !(0 != ~p9~0); {230231#(= 0 main_~p8~0)} is VALID [2020-07-11 01:04:08,983 INFO L280 TraceCheckUtils]: 69: Hoare triple {230231#(= 0 main_~p8~0)} assume !(0 != ~p10~0); {230231#(= 0 main_~p8~0)} is VALID [2020-07-11 01:04:08,984 INFO L280 TraceCheckUtils]: 70: Hoare triple {230231#(= 0 main_~p8~0)} assume !(0 != ~p1~0); {230231#(= 0 main_~p8~0)} is VALID [2020-07-11 01:04:08,984 INFO L280 TraceCheckUtils]: 71: Hoare triple {230231#(= 0 main_~p8~0)} assume !(0 != ~p2~0); {230231#(= 0 main_~p8~0)} is VALID [2020-07-11 01:04:08,985 INFO L280 TraceCheckUtils]: 72: Hoare triple {230231#(= 0 main_~p8~0)} assume !(0 != ~p3~0); {230231#(= 0 main_~p8~0)} is VALID [2020-07-11 01:04:08,985 INFO L280 TraceCheckUtils]: 73: Hoare triple {230231#(= 0 main_~p8~0)} assume !(0 != ~p4~0); {230231#(= 0 main_~p8~0)} is VALID [2020-07-11 01:04:08,985 INFO L280 TraceCheckUtils]: 74: Hoare triple {230231#(= 0 main_~p8~0)} assume !(0 != ~p5~0); {230231#(= 0 main_~p8~0)} is VALID [2020-07-11 01:04:08,986 INFO L280 TraceCheckUtils]: 75: Hoare triple {230231#(= 0 main_~p8~0)} assume !(0 != ~p6~0); {230231#(= 0 main_~p8~0)} is VALID [2020-07-11 01:04:08,986 INFO L280 TraceCheckUtils]: 76: Hoare triple {230231#(= 0 main_~p8~0)} assume !(0 != ~p7~0); {230231#(= 0 main_~p8~0)} is VALID [2020-07-11 01:04:08,986 INFO L280 TraceCheckUtils]: 77: Hoare triple {230231#(= 0 main_~p8~0)} assume 0 != ~p8~0; {230228#false} is VALID [2020-07-11 01:04:08,987 INFO L280 TraceCheckUtils]: 78: Hoare triple {230228#false} assume 1 != ~lk8~0; {230228#false} is VALID [2020-07-11 01:04:08,987 INFO L280 TraceCheckUtils]: 79: Hoare triple {230228#false} assume !false; {230228#false} is VALID [2020-07-11 01:04:08,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 01:04:08,990 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2008412510] [2020-07-11 01:04:08,990 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 01:04:08,990 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-11 01:04:08,990 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811243766] [2020-07-11 01:04:08,991 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 80 [2020-07-11 01:04:08,991 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 01:04:08,991 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-11 01:04:09,065 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 80 edges. 80 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:04:09,066 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-11 01:04:09,066 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 01:04:09,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-11 01:04:09,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-11 01:04:09,067 INFO L87 Difference]: Start difference. First operand 7023 states and 9070 transitions. Second operand 3 states. [2020-07-11 01:05:44,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:05:44,813 INFO L93 Difference]: Finished difference Result 20595 states and 26608 transitions. [2020-07-11 01:05:44,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-11 01:05:44,813 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 80 [2020-07-11 01:05:44,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 01:05:44,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-11 01:05:44,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 308 transitions. [2020-07-11 01:05:44,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-11 01:05:44,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 308 transitions. [2020-07-11 01:05:44,818 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 308 transitions. [2020-07-11 01:05:45,114 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 308 edges. 308 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:05:55,707 INFO L225 Difference]: With dead ends: 20595 [2020-07-11 01:05:55,708 INFO L226 Difference]: Without dead ends: 13617 [2020-07-11 01:05:55,722 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-11 01:05:55,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13617 states. [2020-07-11 01:06:44,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13617 to 13615. [2020-07-11 01:06:44,172 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 01:06:44,173 INFO L82 GeneralOperation]: Start isEquivalent. First operand 13617 states. Second operand 13615 states. [2020-07-11 01:06:44,173 INFO L74 IsIncluded]: Start isIncluded. First operand 13617 states. Second operand 13615 states. [2020-07-11 01:06:44,173 INFO L87 Difference]: Start difference. First operand 13617 states. Second operand 13615 states. [2020-07-11 01:06:56,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:06:56,077 INFO L93 Difference]: Finished difference Result 13617 states and 17327 transitions. [2020-07-11 01:06:56,077 INFO L276 IsEmpty]: Start isEmpty. Operand 13617 states and 17327 transitions. [2020-07-11 01:06:56,086 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:06:56,086 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:06:56,086 INFO L74 IsIncluded]: Start isIncluded. First operand 13615 states. Second operand 13617 states. [2020-07-11 01:06:56,086 INFO L87 Difference]: Start difference. First operand 13615 states. Second operand 13617 states. [2020-07-11 01:07:04,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:07:04,646 INFO L93 Difference]: Finished difference Result 13617 states and 17327 transitions. [2020-07-11 01:07:04,646 INFO L276 IsEmpty]: Start isEmpty. Operand 13617 states and 17327 transitions. [2020-07-11 01:07:04,659 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:07:04,660 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:07:04,660 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 01:07:04,660 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 01:07:04,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13615 states. [2020-07-11 01:07:17,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13615 states to 13615 states and 17326 transitions. [2020-07-11 01:07:17,058 INFO L78 Accepts]: Start accepts. Automaton has 13615 states and 17326 transitions. Word has length 80 [2020-07-11 01:07:17,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 01:07:17,058 INFO L479 AbstractCegarLoop]: Abstraction has 13615 states and 17326 transitions. [2020-07-11 01:07:17,058 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-11 01:07:17,058 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13615 states and 17326 transitions. [2020-07-11 01:07:42,801 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17326 edges. 17326 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:07:42,801 INFO L276 IsEmpty]: Start isEmpty. Operand 13615 states and 17326 transitions. [2020-07-11 01:07:42,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-07-11 01:07:42,806 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 01:07:42,807 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] [2020-07-11 01:07:42,807 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-07-11 01:07:42,807 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 01:07:42,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 01:07:42,807 INFO L82 PathProgramCache]: Analyzing trace with hash 1037388505, now seen corresponding path program 1 times [2020-07-11 01:07:42,807 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 01:07:42,808 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1507475953] [2020-07-11 01:07:42,808 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 01:07:42,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:07:42,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:07:42,849 INFO L280 TraceCheckUtils]: 0: Hoare triple {325888#true} assume true; {325888#true} is VALID [2020-07-11 01:07:42,849 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {325888#true} {325888#true} #271#return; {325888#true} is VALID [2020-07-11 01:07:42,850 INFO L263 TraceCheckUtils]: 0: Hoare triple {325888#true} call ULTIMATE.init(); {325888#true} is VALID [2020-07-11 01:07:42,850 INFO L280 TraceCheckUtils]: 1: Hoare triple {325888#true} assume true; {325888#true} is VALID [2020-07-11 01:07:42,850 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {325888#true} {325888#true} #271#return; {325888#true} is VALID [2020-07-11 01:07:42,850 INFO L263 TraceCheckUtils]: 3: Hoare triple {325888#true} call #t~ret11 := main(); {325888#true} is VALID [2020-07-11 01:07:42,850 INFO L280 TraceCheckUtils]: 4: Hoare triple {325888#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {325888#true} is VALID [2020-07-11 01:07:42,851 INFO L280 TraceCheckUtils]: 5: Hoare triple {325888#true} ~p1~0 := #t~nondet0; {325888#true} is VALID [2020-07-11 01:07:42,851 INFO L280 TraceCheckUtils]: 6: Hoare triple {325888#true} havoc #t~nondet0; {325888#true} is VALID [2020-07-11 01:07:42,851 INFO L280 TraceCheckUtils]: 7: Hoare triple {325888#true} havoc ~lk1~0; {325888#true} is VALID [2020-07-11 01:07:42,851 INFO L280 TraceCheckUtils]: 8: Hoare triple {325888#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {325888#true} is VALID [2020-07-11 01:07:42,851 INFO L280 TraceCheckUtils]: 9: Hoare triple {325888#true} ~p2~0 := #t~nondet1; {325888#true} is VALID [2020-07-11 01:07:42,852 INFO L280 TraceCheckUtils]: 10: Hoare triple {325888#true} havoc #t~nondet1; {325888#true} is VALID [2020-07-11 01:07:42,852 INFO L280 TraceCheckUtils]: 11: Hoare triple {325888#true} havoc ~lk2~0; {325888#true} is VALID [2020-07-11 01:07:42,852 INFO L280 TraceCheckUtils]: 12: Hoare triple {325888#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {325888#true} is VALID [2020-07-11 01:07:42,852 INFO L280 TraceCheckUtils]: 13: Hoare triple {325888#true} ~p3~0 := #t~nondet2; {325888#true} is VALID [2020-07-11 01:07:42,852 INFO L280 TraceCheckUtils]: 14: Hoare triple {325888#true} havoc #t~nondet2; {325888#true} is VALID [2020-07-11 01:07:42,853 INFO L280 TraceCheckUtils]: 15: Hoare triple {325888#true} havoc ~lk3~0; {325888#true} is VALID [2020-07-11 01:07:42,853 INFO L280 TraceCheckUtils]: 16: Hoare triple {325888#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {325888#true} is VALID [2020-07-11 01:07:42,853 INFO L280 TraceCheckUtils]: 17: Hoare triple {325888#true} ~p4~0 := #t~nondet3; {325888#true} is VALID [2020-07-11 01:07:42,853 INFO L280 TraceCheckUtils]: 18: Hoare triple {325888#true} havoc #t~nondet3; {325888#true} is VALID [2020-07-11 01:07:42,853 INFO L280 TraceCheckUtils]: 19: Hoare triple {325888#true} havoc ~lk4~0; {325888#true} is VALID [2020-07-11 01:07:42,854 INFO L280 TraceCheckUtils]: 20: Hoare triple {325888#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {325888#true} is VALID [2020-07-11 01:07:42,854 INFO L280 TraceCheckUtils]: 21: Hoare triple {325888#true} ~p5~0 := #t~nondet4; {325888#true} is VALID [2020-07-11 01:07:42,854 INFO L280 TraceCheckUtils]: 22: Hoare triple {325888#true} havoc #t~nondet4; {325888#true} is VALID [2020-07-11 01:07:42,854 INFO L280 TraceCheckUtils]: 23: Hoare triple {325888#true} havoc ~lk5~0; {325888#true} is VALID [2020-07-11 01:07:42,854 INFO L280 TraceCheckUtils]: 24: Hoare triple {325888#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {325888#true} is VALID [2020-07-11 01:07:42,854 INFO L280 TraceCheckUtils]: 25: Hoare triple {325888#true} ~p6~0 := #t~nondet5; {325888#true} is VALID [2020-07-11 01:07:42,855 INFO L280 TraceCheckUtils]: 26: Hoare triple {325888#true} havoc #t~nondet5; {325888#true} is VALID [2020-07-11 01:07:42,855 INFO L280 TraceCheckUtils]: 27: Hoare triple {325888#true} havoc ~lk6~0; {325888#true} is VALID [2020-07-11 01:07:42,855 INFO L280 TraceCheckUtils]: 28: Hoare triple {325888#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {325888#true} is VALID [2020-07-11 01:07:42,855 INFO L280 TraceCheckUtils]: 29: Hoare triple {325888#true} ~p7~0 := #t~nondet6; {325888#true} is VALID [2020-07-11 01:07:42,855 INFO L280 TraceCheckUtils]: 30: Hoare triple {325888#true} havoc #t~nondet6; {325888#true} is VALID [2020-07-11 01:07:42,856 INFO L280 TraceCheckUtils]: 31: Hoare triple {325888#true} havoc ~lk7~0; {325888#true} is VALID [2020-07-11 01:07:42,856 INFO L280 TraceCheckUtils]: 32: Hoare triple {325888#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {325888#true} is VALID [2020-07-11 01:07:42,856 INFO L280 TraceCheckUtils]: 33: Hoare triple {325888#true} ~p8~0 := #t~nondet7; {325888#true} is VALID [2020-07-11 01:07:42,856 INFO L280 TraceCheckUtils]: 34: Hoare triple {325888#true} havoc #t~nondet7; {325888#true} is VALID [2020-07-11 01:07:42,856 INFO L280 TraceCheckUtils]: 35: Hoare triple {325888#true} havoc ~lk8~0; {325888#true} is VALID [2020-07-11 01:07:42,857 INFO L280 TraceCheckUtils]: 36: Hoare triple {325888#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {325888#true} is VALID [2020-07-11 01:07:42,857 INFO L280 TraceCheckUtils]: 37: Hoare triple {325888#true} ~p9~0 := #t~nondet8; {325888#true} is VALID [2020-07-11 01:07:42,857 INFO L280 TraceCheckUtils]: 38: Hoare triple {325888#true} havoc #t~nondet8; {325888#true} is VALID [2020-07-11 01:07:42,857 INFO L280 TraceCheckUtils]: 39: Hoare triple {325888#true} havoc ~lk9~0; {325888#true} is VALID [2020-07-11 01:07:42,857 INFO L280 TraceCheckUtils]: 40: Hoare triple {325888#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {325888#true} is VALID [2020-07-11 01:07:42,857 INFO L280 TraceCheckUtils]: 41: Hoare triple {325888#true} ~p10~0 := #t~nondet9; {325888#true} is VALID [2020-07-11 01:07:42,858 INFO L280 TraceCheckUtils]: 42: Hoare triple {325888#true} havoc #t~nondet9; {325888#true} is VALID [2020-07-11 01:07:42,858 INFO L280 TraceCheckUtils]: 43: Hoare triple {325888#true} havoc ~lk10~0; {325888#true} is VALID [2020-07-11 01:07:42,858 INFO L280 TraceCheckUtils]: 44: Hoare triple {325888#true} havoc ~cond~0; {325888#true} is VALID [2020-07-11 01:07:42,858 INFO L280 TraceCheckUtils]: 45: Hoare triple {325888#true} assume !false; {325888#true} is VALID [2020-07-11 01:07:42,858 INFO L280 TraceCheckUtils]: 46: Hoare triple {325888#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {325888#true} is VALID [2020-07-11 01:07:42,859 INFO L280 TraceCheckUtils]: 47: Hoare triple {325888#true} ~cond~0 := #t~nondet10; {325888#true} is VALID [2020-07-11 01:07:42,859 INFO L280 TraceCheckUtils]: 48: Hoare triple {325888#true} havoc #t~nondet10; {325888#true} is VALID [2020-07-11 01:07:42,859 INFO L280 TraceCheckUtils]: 49: Hoare triple {325888#true} assume !(0 == ~cond~0); {325888#true} is VALID [2020-07-11 01:07:42,859 INFO L280 TraceCheckUtils]: 50: Hoare triple {325888#true} ~lk1~0 := 0; {325888#true} is VALID [2020-07-11 01:07:42,860 INFO L280 TraceCheckUtils]: 51: Hoare triple {325888#true} ~lk2~0 := 0; {325888#true} is VALID [2020-07-11 01:07:42,860 INFO L280 TraceCheckUtils]: 52: Hoare triple {325888#true} ~lk3~0 := 0; {325888#true} is VALID [2020-07-11 01:07:42,860 INFO L280 TraceCheckUtils]: 53: Hoare triple {325888#true} ~lk4~0 := 0; {325888#true} is VALID [2020-07-11 01:07:42,860 INFO L280 TraceCheckUtils]: 54: Hoare triple {325888#true} ~lk5~0 := 0; {325888#true} is VALID [2020-07-11 01:07:42,861 INFO L280 TraceCheckUtils]: 55: Hoare triple {325888#true} ~lk6~0 := 0; {325888#true} is VALID [2020-07-11 01:07:42,861 INFO L280 TraceCheckUtils]: 56: Hoare triple {325888#true} ~lk7~0 := 0; {325888#true} is VALID [2020-07-11 01:07:42,861 INFO L280 TraceCheckUtils]: 57: Hoare triple {325888#true} ~lk8~0 := 0; {325888#true} is VALID [2020-07-11 01:07:42,861 INFO L280 TraceCheckUtils]: 58: Hoare triple {325888#true} ~lk9~0 := 0; {325888#true} is VALID [2020-07-11 01:07:42,861 INFO L280 TraceCheckUtils]: 59: Hoare triple {325888#true} ~lk10~0 := 0; {325888#true} is VALID [2020-07-11 01:07:42,862 INFO L280 TraceCheckUtils]: 60: Hoare triple {325888#true} assume !(0 != ~p1~0); {325888#true} is VALID [2020-07-11 01:07:42,862 INFO L280 TraceCheckUtils]: 61: Hoare triple {325888#true} assume !(0 != ~p2~0); {325888#true} is VALID [2020-07-11 01:07:42,862 INFO L280 TraceCheckUtils]: 62: Hoare triple {325888#true} assume !(0 != ~p3~0); {325888#true} is VALID [2020-07-11 01:07:42,862 INFO L280 TraceCheckUtils]: 63: Hoare triple {325888#true} assume !(0 != ~p4~0); {325888#true} is VALID [2020-07-11 01:07:42,863 INFO L280 TraceCheckUtils]: 64: Hoare triple {325888#true} assume !(0 != ~p5~0); {325888#true} is VALID [2020-07-11 01:07:42,863 INFO L280 TraceCheckUtils]: 65: Hoare triple {325888#true} assume !(0 != ~p6~0); {325888#true} is VALID [2020-07-11 01:07:42,863 INFO L280 TraceCheckUtils]: 66: Hoare triple {325888#true} assume !(0 != ~p7~0); {325888#true} is VALID [2020-07-11 01:07:42,863 INFO L280 TraceCheckUtils]: 67: Hoare triple {325888#true} assume 0 != ~p8~0; {325888#true} is VALID [2020-07-11 01:07:42,869 INFO L280 TraceCheckUtils]: 68: Hoare triple {325888#true} ~lk8~0 := 1; {325892#(= 1 main_~lk8~0)} is VALID [2020-07-11 01:07:42,869 INFO L280 TraceCheckUtils]: 69: Hoare triple {325892#(= 1 main_~lk8~0)} assume !(0 != ~p9~0); {325892#(= 1 main_~lk8~0)} is VALID [2020-07-11 01:07:42,870 INFO L280 TraceCheckUtils]: 70: Hoare triple {325892#(= 1 main_~lk8~0)} assume !(0 != ~p10~0); {325892#(= 1 main_~lk8~0)} is VALID [2020-07-11 01:07:42,871 INFO L280 TraceCheckUtils]: 71: Hoare triple {325892#(= 1 main_~lk8~0)} assume !(0 != ~p1~0); {325892#(= 1 main_~lk8~0)} is VALID [2020-07-11 01:07:42,871 INFO L280 TraceCheckUtils]: 72: Hoare triple {325892#(= 1 main_~lk8~0)} assume !(0 != ~p2~0); {325892#(= 1 main_~lk8~0)} is VALID [2020-07-11 01:07:42,872 INFO L280 TraceCheckUtils]: 73: Hoare triple {325892#(= 1 main_~lk8~0)} assume !(0 != ~p3~0); {325892#(= 1 main_~lk8~0)} is VALID [2020-07-11 01:07:42,872 INFO L280 TraceCheckUtils]: 74: Hoare triple {325892#(= 1 main_~lk8~0)} assume !(0 != ~p4~0); {325892#(= 1 main_~lk8~0)} is VALID [2020-07-11 01:07:42,873 INFO L280 TraceCheckUtils]: 75: Hoare triple {325892#(= 1 main_~lk8~0)} assume !(0 != ~p5~0); {325892#(= 1 main_~lk8~0)} is VALID [2020-07-11 01:07:42,873 INFO L280 TraceCheckUtils]: 76: Hoare triple {325892#(= 1 main_~lk8~0)} assume !(0 != ~p6~0); {325892#(= 1 main_~lk8~0)} is VALID [2020-07-11 01:07:42,874 INFO L280 TraceCheckUtils]: 77: Hoare triple {325892#(= 1 main_~lk8~0)} assume !(0 != ~p7~0); {325892#(= 1 main_~lk8~0)} is VALID [2020-07-11 01:07:42,874 INFO L280 TraceCheckUtils]: 78: Hoare triple {325892#(= 1 main_~lk8~0)} assume 0 != ~p8~0; {325892#(= 1 main_~lk8~0)} is VALID [2020-07-11 01:07:42,875 INFO L280 TraceCheckUtils]: 79: Hoare triple {325892#(= 1 main_~lk8~0)} assume 1 != ~lk8~0; {325889#false} is VALID [2020-07-11 01:07:42,875 INFO L280 TraceCheckUtils]: 80: Hoare triple {325889#false} assume !false; {325889#false} is VALID [2020-07-11 01:07:42,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 01:07:42,880 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1507475953] [2020-07-11 01:07:42,880 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 01:07:42,881 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-11 01:07:42,881 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604954530] [2020-07-11 01:07:42,881 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 81 [2020-07-11 01:07:42,882 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 01:07:42,882 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-11 01:07:42,963 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 81 edges. 81 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:07:42,963 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-11 01:07:42,963 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 01:07:42,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-11 01:07:42,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-11 01:07:42,964 INFO L87 Difference]: Start difference. First operand 13615 states and 17326 transitions. Second operand 3 states. [2020-07-11 01:08:53,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:08:53,579 INFO L93 Difference]: Finished difference Result 16051 states and 20272 transitions. [2020-07-11 01:08:53,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-11 01:08:53,579 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 81 [2020-07-11 01:08:53,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 01:08:53,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-11 01:08:53,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 194 transitions. [2020-07-11 01:08:53,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-11 01:08:53,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 194 transitions. [2020-07-11 01:08:53,582 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 194 transitions. [2020-07-11 01:08:53,756 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 194 edges. 194 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:09:03,554 INFO L225 Difference]: With dead ends: 16051 [2020-07-11 01:09:03,554 INFO L226 Difference]: Without dead ends: 16049 [2020-07-11 01:09:03,557 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-11 01:09:03,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16049 states. [2020-07-11 01:09:53,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16049 to 13615. [2020-07-11 01:09:53,565 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 01:09:53,565 INFO L82 GeneralOperation]: Start isEquivalent. First operand 16049 states. Second operand 13615 states. [2020-07-11 01:09:53,565 INFO L74 IsIncluded]: Start isIncluded. First operand 16049 states. Second operand 13615 states. [2020-07-11 01:09:53,565 INFO L87 Difference]: Start difference. First operand 16049 states. Second operand 13615 states. [2020-07-11 01:10:02,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:10:02,988 INFO L93 Difference]: Finished difference Result 16049 states and 20143 transitions. [2020-07-11 01:10:02,988 INFO L276 IsEmpty]: Start isEmpty. Operand 16049 states and 20143 transitions. [2020-07-11 01:10:03,003 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:10:03,004 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:10:03,004 INFO L74 IsIncluded]: Start isIncluded. First operand 13615 states. Second operand 16049 states. [2020-07-11 01:10:03,004 INFO L87 Difference]: Start difference. First operand 13615 states. Second operand 16049 states. [2020-07-11 01:10:16,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:10:16,090 INFO L93 Difference]: Finished difference Result 16049 states and 20143 transitions. [2020-07-11 01:10:16,090 INFO L276 IsEmpty]: Start isEmpty. Operand 16049 states and 20143 transitions. [2020-07-11 01:10:16,100 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:10:16,101 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:10:16,101 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 01:10:16,101 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 01:10:16,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13615 states. [2020-07-11 01:10:26,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13615 states to 13615 states and 17198 transitions. [2020-07-11 01:10:26,556 INFO L78 Accepts]: Start accepts. Automaton has 13615 states and 17198 transitions. Word has length 81 [2020-07-11 01:10:26,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 01:10:26,557 INFO L479 AbstractCegarLoop]: Abstraction has 13615 states and 17198 transitions. [2020-07-11 01:10:26,557 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-11 01:10:26,557 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13615 states and 17198 transitions. [2020-07-11 01:10:52,098 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17198 edges. 17198 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:10:52,100 INFO L276 IsEmpty]: Start isEmpty. Operand 13615 states and 17198 transitions. [2020-07-11 01:10:52,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-07-11 01:10:52,105 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 01:10:52,105 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] [2020-07-11 01:10:52,105 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-07-11 01:10:52,106 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 01:10:52,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 01:10:52,106 INFO L82 PathProgramCache]: Analyzing trace with hash 1271271512, now seen corresponding path program 1 times [2020-07-11 01:10:52,106 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 01:10:52,106 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [168175041] [2020-07-11 01:10:52,106 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 01:10:52,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:10:52,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:10:52,137 INFO L280 TraceCheckUtils]: 0: Hoare triple {417325#true} assume true; {417325#true} is VALID [2020-07-11 01:10:52,137 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {417325#true} {417325#true} #271#return; {417325#true} is VALID [2020-07-11 01:10:52,137 INFO L263 TraceCheckUtils]: 0: Hoare triple {417325#true} call ULTIMATE.init(); {417325#true} is VALID [2020-07-11 01:10:52,137 INFO L280 TraceCheckUtils]: 1: Hoare triple {417325#true} assume true; {417325#true} is VALID [2020-07-11 01:10:52,138 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {417325#true} {417325#true} #271#return; {417325#true} is VALID [2020-07-11 01:10:52,138 INFO L263 TraceCheckUtils]: 3: Hoare triple {417325#true} call #t~ret11 := main(); {417325#true} is VALID [2020-07-11 01:10:52,138 INFO L280 TraceCheckUtils]: 4: Hoare triple {417325#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {417325#true} is VALID [2020-07-11 01:10:52,138 INFO L280 TraceCheckUtils]: 5: Hoare triple {417325#true} ~p1~0 := #t~nondet0; {417325#true} is VALID [2020-07-11 01:10:52,138 INFO L280 TraceCheckUtils]: 6: Hoare triple {417325#true} havoc #t~nondet0; {417325#true} is VALID [2020-07-11 01:10:52,138 INFO L280 TraceCheckUtils]: 7: Hoare triple {417325#true} havoc ~lk1~0; {417325#true} is VALID [2020-07-11 01:10:52,138 INFO L280 TraceCheckUtils]: 8: Hoare triple {417325#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {417325#true} is VALID [2020-07-11 01:10:52,138 INFO L280 TraceCheckUtils]: 9: Hoare triple {417325#true} ~p2~0 := #t~nondet1; {417325#true} is VALID [2020-07-11 01:10:52,139 INFO L280 TraceCheckUtils]: 10: Hoare triple {417325#true} havoc #t~nondet1; {417325#true} is VALID [2020-07-11 01:10:52,139 INFO L280 TraceCheckUtils]: 11: Hoare triple {417325#true} havoc ~lk2~0; {417325#true} is VALID [2020-07-11 01:10:52,139 INFO L280 TraceCheckUtils]: 12: Hoare triple {417325#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {417325#true} is VALID [2020-07-11 01:10:52,139 INFO L280 TraceCheckUtils]: 13: Hoare triple {417325#true} ~p3~0 := #t~nondet2; {417325#true} is VALID [2020-07-11 01:10:52,139 INFO L280 TraceCheckUtils]: 14: Hoare triple {417325#true} havoc #t~nondet2; {417325#true} is VALID [2020-07-11 01:10:52,139 INFO L280 TraceCheckUtils]: 15: Hoare triple {417325#true} havoc ~lk3~0; {417325#true} is VALID [2020-07-11 01:10:52,139 INFO L280 TraceCheckUtils]: 16: Hoare triple {417325#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {417325#true} is VALID [2020-07-11 01:10:52,139 INFO L280 TraceCheckUtils]: 17: Hoare triple {417325#true} ~p4~0 := #t~nondet3; {417325#true} is VALID [2020-07-11 01:10:52,140 INFO L280 TraceCheckUtils]: 18: Hoare triple {417325#true} havoc #t~nondet3; {417325#true} is VALID [2020-07-11 01:10:52,140 INFO L280 TraceCheckUtils]: 19: Hoare triple {417325#true} havoc ~lk4~0; {417325#true} is VALID [2020-07-11 01:10:52,140 INFO L280 TraceCheckUtils]: 20: Hoare triple {417325#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {417325#true} is VALID [2020-07-11 01:10:52,140 INFO L280 TraceCheckUtils]: 21: Hoare triple {417325#true} ~p5~0 := #t~nondet4; {417325#true} is VALID [2020-07-11 01:10:52,140 INFO L280 TraceCheckUtils]: 22: Hoare triple {417325#true} havoc #t~nondet4; {417325#true} is VALID [2020-07-11 01:10:52,140 INFO L280 TraceCheckUtils]: 23: Hoare triple {417325#true} havoc ~lk5~0; {417325#true} is VALID [2020-07-11 01:10:52,140 INFO L280 TraceCheckUtils]: 24: Hoare triple {417325#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {417325#true} is VALID [2020-07-11 01:10:52,140 INFO L280 TraceCheckUtils]: 25: Hoare triple {417325#true} ~p6~0 := #t~nondet5; {417325#true} is VALID [2020-07-11 01:10:52,141 INFO L280 TraceCheckUtils]: 26: Hoare triple {417325#true} havoc #t~nondet5; {417325#true} is VALID [2020-07-11 01:10:52,141 INFO L280 TraceCheckUtils]: 27: Hoare triple {417325#true} havoc ~lk6~0; {417325#true} is VALID [2020-07-11 01:10:52,141 INFO L280 TraceCheckUtils]: 28: Hoare triple {417325#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {417325#true} is VALID [2020-07-11 01:10:52,141 INFO L280 TraceCheckUtils]: 29: Hoare triple {417325#true} ~p7~0 := #t~nondet6; {417325#true} is VALID [2020-07-11 01:10:52,141 INFO L280 TraceCheckUtils]: 30: Hoare triple {417325#true} havoc #t~nondet6; {417325#true} is VALID [2020-07-11 01:10:52,141 INFO L280 TraceCheckUtils]: 31: Hoare triple {417325#true} havoc ~lk7~0; {417325#true} is VALID [2020-07-11 01:10:52,141 INFO L280 TraceCheckUtils]: 32: Hoare triple {417325#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {417325#true} is VALID [2020-07-11 01:10:52,141 INFO L280 TraceCheckUtils]: 33: Hoare triple {417325#true} ~p8~0 := #t~nondet7; {417325#true} is VALID [2020-07-11 01:10:52,142 INFO L280 TraceCheckUtils]: 34: Hoare triple {417325#true} havoc #t~nondet7; {417325#true} is VALID [2020-07-11 01:10:52,142 INFO L280 TraceCheckUtils]: 35: Hoare triple {417325#true} havoc ~lk8~0; {417325#true} is VALID [2020-07-11 01:10:52,142 INFO L280 TraceCheckUtils]: 36: Hoare triple {417325#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {417325#true} is VALID [2020-07-11 01:10:52,142 INFO L280 TraceCheckUtils]: 37: Hoare triple {417325#true} ~p9~0 := #t~nondet8; {417325#true} is VALID [2020-07-11 01:10:52,142 INFO L280 TraceCheckUtils]: 38: Hoare triple {417325#true} havoc #t~nondet8; {417325#true} is VALID [2020-07-11 01:10:52,142 INFO L280 TraceCheckUtils]: 39: Hoare triple {417325#true} havoc ~lk9~0; {417325#true} is VALID [2020-07-11 01:10:52,142 INFO L280 TraceCheckUtils]: 40: Hoare triple {417325#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {417325#true} is VALID [2020-07-11 01:10:52,142 INFO L280 TraceCheckUtils]: 41: Hoare triple {417325#true} ~p10~0 := #t~nondet9; {417325#true} is VALID [2020-07-11 01:10:52,143 INFO L280 TraceCheckUtils]: 42: Hoare triple {417325#true} havoc #t~nondet9; {417325#true} is VALID [2020-07-11 01:10:52,143 INFO L280 TraceCheckUtils]: 43: Hoare triple {417325#true} havoc ~lk10~0; {417325#true} is VALID [2020-07-11 01:10:52,143 INFO L280 TraceCheckUtils]: 44: Hoare triple {417325#true} havoc ~cond~0; {417325#true} is VALID [2020-07-11 01:10:52,143 INFO L280 TraceCheckUtils]: 45: Hoare triple {417325#true} assume !false; {417325#true} is VALID [2020-07-11 01:10:52,143 INFO L280 TraceCheckUtils]: 46: Hoare triple {417325#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {417325#true} is VALID [2020-07-11 01:10:52,143 INFO L280 TraceCheckUtils]: 47: Hoare triple {417325#true} ~cond~0 := #t~nondet10; {417325#true} is VALID [2020-07-11 01:10:52,143 INFO L280 TraceCheckUtils]: 48: Hoare triple {417325#true} havoc #t~nondet10; {417325#true} is VALID [2020-07-11 01:10:52,143 INFO L280 TraceCheckUtils]: 49: Hoare triple {417325#true} assume !(0 == ~cond~0); {417325#true} is VALID [2020-07-11 01:10:52,144 INFO L280 TraceCheckUtils]: 50: Hoare triple {417325#true} ~lk1~0 := 0; {417325#true} is VALID [2020-07-11 01:10:52,144 INFO L280 TraceCheckUtils]: 51: Hoare triple {417325#true} ~lk2~0 := 0; {417325#true} is VALID [2020-07-11 01:10:52,144 INFO L280 TraceCheckUtils]: 52: Hoare triple {417325#true} ~lk3~0 := 0; {417325#true} is VALID [2020-07-11 01:10:52,144 INFO L280 TraceCheckUtils]: 53: Hoare triple {417325#true} ~lk4~0 := 0; {417325#true} is VALID [2020-07-11 01:10:52,144 INFO L280 TraceCheckUtils]: 54: Hoare triple {417325#true} ~lk5~0 := 0; {417325#true} is VALID [2020-07-11 01:10:52,144 INFO L280 TraceCheckUtils]: 55: Hoare triple {417325#true} ~lk6~0 := 0; {417325#true} is VALID [2020-07-11 01:10:52,145 INFO L280 TraceCheckUtils]: 56: Hoare triple {417325#true} ~lk7~0 := 0; {417325#true} is VALID [2020-07-11 01:10:52,145 INFO L280 TraceCheckUtils]: 57: Hoare triple {417325#true} ~lk8~0 := 0; {417325#true} is VALID [2020-07-11 01:10:52,145 INFO L280 TraceCheckUtils]: 58: Hoare triple {417325#true} ~lk9~0 := 0; {417325#true} is VALID [2020-07-11 01:10:52,145 INFO L280 TraceCheckUtils]: 59: Hoare triple {417325#true} ~lk10~0 := 0; {417325#true} is VALID [2020-07-11 01:10:52,145 INFO L280 TraceCheckUtils]: 60: Hoare triple {417325#true} assume !(0 != ~p1~0); {417325#true} is VALID [2020-07-11 01:10:52,146 INFO L280 TraceCheckUtils]: 61: Hoare triple {417325#true} assume !(0 != ~p2~0); {417325#true} is VALID [2020-07-11 01:10:52,146 INFO L280 TraceCheckUtils]: 62: Hoare triple {417325#true} assume !(0 != ~p3~0); {417325#true} is VALID [2020-07-11 01:10:52,146 INFO L280 TraceCheckUtils]: 63: Hoare triple {417325#true} assume !(0 != ~p4~0); {417325#true} is VALID [2020-07-11 01:10:52,146 INFO L280 TraceCheckUtils]: 64: Hoare triple {417325#true} assume !(0 != ~p5~0); {417325#true} is VALID [2020-07-11 01:10:52,146 INFO L280 TraceCheckUtils]: 65: Hoare triple {417325#true} assume !(0 != ~p6~0); {417325#true} is VALID [2020-07-11 01:10:52,146 INFO L280 TraceCheckUtils]: 66: Hoare triple {417325#true} assume !(0 != ~p7~0); {417325#true} is VALID [2020-07-11 01:10:52,147 INFO L280 TraceCheckUtils]: 67: Hoare triple {417325#true} assume !(0 != ~p8~0); {417325#true} is VALID [2020-07-11 01:10:52,152 INFO L280 TraceCheckUtils]: 68: Hoare triple {417325#true} assume !(0 != ~p9~0); {417329#(= 0 main_~p9~0)} is VALID [2020-07-11 01:10:52,152 INFO L280 TraceCheckUtils]: 69: Hoare triple {417329#(= 0 main_~p9~0)} assume !(0 != ~p10~0); {417329#(= 0 main_~p9~0)} is VALID [2020-07-11 01:10:52,153 INFO L280 TraceCheckUtils]: 70: Hoare triple {417329#(= 0 main_~p9~0)} assume !(0 != ~p1~0); {417329#(= 0 main_~p9~0)} is VALID [2020-07-11 01:10:52,153 INFO L280 TraceCheckUtils]: 71: Hoare triple {417329#(= 0 main_~p9~0)} assume !(0 != ~p2~0); {417329#(= 0 main_~p9~0)} is VALID [2020-07-11 01:10:52,154 INFO L280 TraceCheckUtils]: 72: Hoare triple {417329#(= 0 main_~p9~0)} assume !(0 != ~p3~0); {417329#(= 0 main_~p9~0)} is VALID [2020-07-11 01:10:52,154 INFO L280 TraceCheckUtils]: 73: Hoare triple {417329#(= 0 main_~p9~0)} assume !(0 != ~p4~0); {417329#(= 0 main_~p9~0)} is VALID [2020-07-11 01:10:52,155 INFO L280 TraceCheckUtils]: 74: Hoare triple {417329#(= 0 main_~p9~0)} assume !(0 != ~p5~0); {417329#(= 0 main_~p9~0)} is VALID [2020-07-11 01:10:52,155 INFO L280 TraceCheckUtils]: 75: Hoare triple {417329#(= 0 main_~p9~0)} assume !(0 != ~p6~0); {417329#(= 0 main_~p9~0)} is VALID [2020-07-11 01:10:52,163 INFO L280 TraceCheckUtils]: 76: Hoare triple {417329#(= 0 main_~p9~0)} assume !(0 != ~p7~0); {417329#(= 0 main_~p9~0)} is VALID [2020-07-11 01:10:52,164 INFO L280 TraceCheckUtils]: 77: Hoare triple {417329#(= 0 main_~p9~0)} assume !(0 != ~p8~0); {417329#(= 0 main_~p9~0)} is VALID [2020-07-11 01:10:52,172 INFO L280 TraceCheckUtils]: 78: Hoare triple {417329#(= 0 main_~p9~0)} assume 0 != ~p9~0; {417326#false} is VALID [2020-07-11 01:10:52,173 INFO L280 TraceCheckUtils]: 79: Hoare triple {417326#false} assume 1 != ~lk9~0; {417326#false} is VALID [2020-07-11 01:10:52,173 INFO L280 TraceCheckUtils]: 80: Hoare triple {417326#false} assume !false; {417326#false} is VALID [2020-07-11 01:10:52,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 01:10:52,176 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [168175041] [2020-07-11 01:10:52,177 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 01:10:52,177 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-11 01:10:52,177 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553313080] [2020-07-11 01:10:52,178 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 81 [2020-07-11 01:10:52,178 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 01:10:52,178 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-11 01:10:52,245 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 81 edges. 81 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:10:52,246 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-11 01:10:52,246 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 01:10:52,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-11 01:10:52,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-11 01:10:52,247 INFO L87 Difference]: Start difference. First operand 13615 states and 17198 transitions. Second operand 3 states.