/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/recursive-with-pointer/simple-recursive.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-46f3038-m [2020-07-08 22:09:12,437 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 22:09:12,440 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 22:09:12,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-08 22:09:12,453 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-08 22:09:12,454 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-08 22:09:12,457 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-08 22:09:12,459 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-08 22:09:12,461 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-08 22:09:12,462 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-08 22:09:12,463 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-08 22:09:12,464 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-08 22:09:12,464 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 22:09:12,465 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 22:09:12,466 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 22:09:12,467 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 22:09:12,468 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 22:09:12,469 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 22:09:12,471 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 22:09:12,473 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 22:09:12,475 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 22:09:12,476 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 22:09:12,478 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 22:09:12,478 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 22:09:12,481 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-08 22:09:12,482 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-08 22:09:12,482 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-08 22:09:12,483 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-08 22:09:12,483 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-08 22:09:12,484 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-08 22:09:12,485 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-08 22:09:12,485 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-08 22:09:12,486 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-08 22:09:12,488 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-08 22:09:12,490 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-08 22:09:12,490 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-08 22:09:12,491 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-08 22:09:12,491 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-08 22:09:12,494 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-08 22:09:12,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-08 22:09:12,496 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-08 22:09:12,499 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-08 22:09:12,518 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 22:09:12,518 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 22:09:12,521 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 22:09:12,521 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-08 22:09:12,522 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 22:09:12,522 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-08 22:09:12,522 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 22:09:12,522 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 22:09:12,522 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 22:09:12,522 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 22:09:12,523 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-08 22:09:12,523 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 22:09:12,523 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 22:09:12,525 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 22:09:12,525 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 22:09:12,525 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-08 22:09:12,525 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 22:09:12,525 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 22:09:12,526 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 22:09:12,526 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 22:09:12,526 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-08 22:09:12,527 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 22:09:12,527 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-08 22:09:12,805 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 22:09:12,820 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 22:09:12,823 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 22:09:12,825 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 22:09:12,826 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 22:09:12,826 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-with-pointer/simple-recursive.c [2020-07-08 22:09:12,893 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd62aeb09/258ebb05f6894238b856241ec02b973f/FLAGafd71008d [2020-07-08 22:09:13,391 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 22:09:13,392 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive-with-pointer/simple-recursive.c [2020-07-08 22:09:13,400 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd62aeb09/258ebb05f6894238b856241ec02b973f/FLAGafd71008d [2020-07-08 22:09:13,737 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd62aeb09/258ebb05f6894238b856241ec02b973f [2020-07-08 22:09:13,749 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 22:09:13,753 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 22:09:13,756 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 22:09:13,756 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 22:09:13,759 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 22:09:13,761 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 10:09:13" (1/1) ... [2020-07-08 22:09:13,764 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1811a2d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:09:13, skipping insertion in model container [2020-07-08 22:09:13,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 10:09:13" (1/1) ... [2020-07-08 22:09:13,772 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 22:09:13,786 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 22:09:13,953 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 22:09:13,966 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 22:09:13,986 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 22:09:14,005 INFO L208 MainTranslator]: Completed translation [2020-07-08 22:09:14,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:09:14 WrapperNode [2020-07-08 22:09:14,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 22:09:14,007 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 22:09:14,007 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 22:09:14,007 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 22:09:14,120 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:09:14" (1/1) ... [2020-07-08 22:09:14,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:09:14" (1/1) ... [2020-07-08 22:09:14,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:09:14" (1/1) ... [2020-07-08 22:09:14,128 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:09:14" (1/1) ... [2020-07-08 22:09:14,137 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:09:14" (1/1) ... [2020-07-08 22:09:14,139 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:09:14" (1/1) ... [2020-07-08 22:09:14,140 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:09:14" (1/1) ... [2020-07-08 22:09:14,143 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 22:09:14,143 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 22:09:14,143 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 22:09:14,144 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 22:09:14,145 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:09:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 22:09:14,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 22:09:14,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 22:09:14,207 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2020-07-08 22:09:14,207 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2020-07-08 22:09:14,207 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 22:09:14,207 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 22:09:14,207 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2020-07-08 22:09:14,207 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2020-07-08 22:09:14,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-08 22:09:14,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-08 22:09:14,208 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 22:09:14,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-08 22:09:14,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-08 22:09:14,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-08 22:09:14,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 22:09:14,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 22:09:14,518 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 22:09:14,519 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-08 22:09:14,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 10:09:14 BoogieIcfgContainer [2020-07-08 22:09:14,523 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 22:09:14,525 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 22:09:14,525 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 22:09:14,528 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 22:09:14,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 10:09:13" (1/3) ... [2020-07-08 22:09:14,530 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aaf052f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 10:09:14, skipping insertion in model container [2020-07-08 22:09:14,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:09:14" (2/3) ... [2020-07-08 22:09:14,530 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aaf052f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 10:09:14, skipping insertion in model container [2020-07-08 22:09:14,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 10:09:14" (3/3) ... [2020-07-08 22:09:14,532 INFO L109 eAbstractionObserver]: Analyzing ICFG simple-recursive.c [2020-07-08 22:09:14,546 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-08 22:09:14,555 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-08 22:09:14,573 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-08 22:09:14,601 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 22:09:14,601 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 22:09:14,602 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-08 22:09:14,602 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 22:09:14,602 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 22:09:14,602 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 22:09:14,602 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 22:09:14,603 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 22:09:14,633 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states. [2020-07-08 22:09:14,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-08 22:09:14,659 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:09:14,660 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] [2020-07-08 22:09:14,662 INFO L427 AbstractCegarLoop]: === Iteration 1 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:09:14,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:09:14,668 INFO L82 PathProgramCache]: Analyzing trace with hash 474032392, now seen corresponding path program 1 times [2020-07-08 22:09:14,674 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:09:14,675 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1677823228] [2020-07-08 22:09:14,676 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:09:14,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:15,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:15,092 INFO L280 TraceCheckUtils]: 0: Hoare triple {57#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {46#true} is VALID [2020-07-08 22:09:15,094 INFO L280 TraceCheckUtils]: 1: Hoare triple {46#true} #valid := #valid[0 := 0]; {46#true} is VALID [2020-07-08 22:09:15,095 INFO L280 TraceCheckUtils]: 2: Hoare triple {46#true} assume 0 < #StackHeapBarrier; {46#true} is VALID [2020-07-08 22:09:15,095 INFO L280 TraceCheckUtils]: 3: Hoare triple {46#true} assume true; {46#true} is VALID [2020-07-08 22:09:15,096 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {46#true} {46#true} #50#return; {46#true} is VALID [2020-07-08 22:09:15,100 INFO L263 TraceCheckUtils]: 0: Hoare triple {46#true} call ULTIMATE.init(); {57#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 22:09:15,101 INFO L280 TraceCheckUtils]: 1: Hoare triple {57#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {46#true} is VALID [2020-07-08 22:09:15,101 INFO L280 TraceCheckUtils]: 2: Hoare triple {46#true} #valid := #valid[0 := 0]; {46#true} is VALID [2020-07-08 22:09:15,102 INFO L280 TraceCheckUtils]: 3: Hoare triple {46#true} assume 0 < #StackHeapBarrier; {46#true} is VALID [2020-07-08 22:09:15,102 INFO L280 TraceCheckUtils]: 4: Hoare triple {46#true} assume true; {46#true} is VALID [2020-07-08 22:09:15,103 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {46#true} {46#true} #50#return; {46#true} is VALID [2020-07-08 22:09:15,103 INFO L263 TraceCheckUtils]: 6: Hoare triple {46#true} call #t~ret4 := main(#in~argc, #in~argv.base, #in~argv.offset); {46#true} is VALID [2020-07-08 22:09:15,103 INFO L280 TraceCheckUtils]: 7: Hoare triple {46#true} ~argc := #in~argc; {46#true} is VALID [2020-07-08 22:09:15,104 INFO L280 TraceCheckUtils]: 8: Hoare triple {46#true} ~argv.base, ~argv.offset := #in~argv.base, #in~argv.offset; {46#true} is VALID [2020-07-08 22:09:15,107 INFO L280 TraceCheckUtils]: 9: Hoare triple {46#true} SUMMARY for call ~#x~0.base, ~#x~0.offset := #Ultimate.allocOnStack(4); srcloc: L22 {46#true} is VALID [2020-07-08 22:09:15,108 INFO L280 TraceCheckUtils]: 10: Hoare triple {46#true} SUMMARY for call write~init~int(0, ~#x~0.base, ~#x~0.offset, 4); srcloc: L22-1 {46#true} is VALID [2020-07-08 22:09:15,109 INFO L280 TraceCheckUtils]: 11: Hoare triple {46#true} ~p~0.base, ~p~0.offset := ~#x~0.base, ~#x~0.offset; {46#true} is VALID [2020-07-08 22:09:15,111 INFO L280 TraceCheckUtils]: 12: Hoare triple {46#true} SUMMARY for call write~int(10, ~p~0.base, ~p~0.offset, 4); srcloc: L24 {53#(= 10 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))} is VALID [2020-07-08 22:09:15,116 INFO L263 TraceCheckUtils]: 13: Hoare triple {53#(= 10 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))} call foo(~p~0.base, ~p~0.offset); {54#(= 10 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|))} is VALID [2020-07-08 22:09:15,118 INFO L280 TraceCheckUtils]: 14: Hoare triple {54#(= 10 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|))} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {55#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:09:15,121 INFO L280 TraceCheckUtils]: 15: Hoare triple {55#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {56#(= 10 |foo_#t~mem2|)} is VALID [2020-07-08 22:09:15,123 INFO L280 TraceCheckUtils]: 16: Hoare triple {56#(= 10 |foo_#t~mem2|)} assume !(#t~mem2 < 20); {47#false} is VALID [2020-07-08 22:09:15,124 INFO L280 TraceCheckUtils]: 17: Hoare triple {47#false} havoc #t~mem2; {47#false} is VALID [2020-07-08 22:09:15,124 INFO L280 TraceCheckUtils]: 18: Hoare triple {47#false} SUMMARY for call #t~mem3 := read~int(~p.base, ~p.offset, 4); srcloc: L12 {47#false} is VALID [2020-07-08 22:09:15,127 INFO L280 TraceCheckUtils]: 19: Hoare triple {47#false} assume !(20 == #t~mem3); {47#false} is VALID [2020-07-08 22:09:15,127 INFO L280 TraceCheckUtils]: 20: Hoare triple {47#false} havoc #t~mem3; {47#false} is VALID [2020-07-08 22:09:15,128 INFO L280 TraceCheckUtils]: 21: Hoare triple {47#false} assume !false; {47#false} is VALID [2020-07-08 22:09:15,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 22:09:15,139 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1677823228] [2020-07-08 22:09:15,141 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 22:09:15,142 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-08 22:09:15,144 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614571243] [2020-07-08 22:09:15,152 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2020-07-08 22:09:15,159 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:09:15,164 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-08 22:09:15,230 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:09:15,231 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-08 22:09:15,231 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:09:15,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-08 22:09:15,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-07-08 22:09:15,244 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 7 states. [2020-07-08 22:09:16,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:09:16,108 INFO L93 Difference]: Finished difference Result 65 states and 71 transitions. [2020-07-08 22:09:16,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-08 22:09:16,108 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2020-07-08 22:09:16,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:09:16,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-08 22:09:16,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 71 transitions. [2020-07-08 22:09:16,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-08 22:09:16,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 71 transitions. [2020-07-08 22:09:16,127 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 71 transitions. [2020-07-08 22:09:16,232 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 71 edges. 71 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:09:16,245 INFO L225 Difference]: With dead ends: 65 [2020-07-08 22:09:16,246 INFO L226 Difference]: Without dead ends: 37 [2020-07-08 22:09:16,249 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-07-08 22:09:16,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-07-08 22:09:16,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 35. [2020-07-08 22:09:16,358 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:09:16,359 INFO L82 GeneralOperation]: Start isEquivalent. First operand 37 states. Second operand 35 states. [2020-07-08 22:09:16,360 INFO L74 IsIncluded]: Start isIncluded. First operand 37 states. Second operand 35 states. [2020-07-08 22:09:16,360 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 35 states. [2020-07-08 22:09:16,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:09:16,366 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2020-07-08 22:09:16,366 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions. [2020-07-08 22:09:16,367 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:09:16,367 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:09:16,367 INFO L74 IsIncluded]: Start isIncluded. First operand 35 states. Second operand 37 states. [2020-07-08 22:09:16,368 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 37 states. [2020-07-08 22:09:16,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:09:16,373 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2020-07-08 22:09:16,373 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions. [2020-07-08 22:09:16,374 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:09:16,374 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:09:16,374 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:09:16,375 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:09:16,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-07-08 22:09:16,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2020-07-08 22:09:16,380 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 35 transitions. Word has length 22 [2020-07-08 22:09:16,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:09:16,381 INFO L479 AbstractCegarLoop]: Abstraction has 35 states and 35 transitions. [2020-07-08 22:09:16,381 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-08 22:09:16,381 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 35 states and 35 transitions. [2020-07-08 22:09:16,436 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:09:16,436 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2020-07-08 22:09:16,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-07-08 22:09:16,438 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:09:16,438 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 22:09:16,438 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 22:09:16,439 INFO L427 AbstractCegarLoop]: === Iteration 2 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:09:16,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:09:16,439 INFO L82 PathProgramCache]: Analyzing trace with hash 705842607, now seen corresponding path program 1 times [2020-07-08 22:09:16,440 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:09:16,440 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1938741065] [2020-07-08 22:09:16,440 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:09:16,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:16,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:16,723 INFO L280 TraceCheckUtils]: 0: Hoare triple {358#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {340#true} is VALID [2020-07-08 22:09:16,724 INFO L280 TraceCheckUtils]: 1: Hoare triple {340#true} #valid := #valid[0 := 0]; {340#true} is VALID [2020-07-08 22:09:16,724 INFO L280 TraceCheckUtils]: 2: Hoare triple {340#true} assume 0 < #StackHeapBarrier; {340#true} is VALID [2020-07-08 22:09:16,725 INFO L280 TraceCheckUtils]: 3: Hoare triple {340#true} assume true; {340#true} is VALID [2020-07-08 22:09:16,725 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {340#true} {340#true} #50#return; {340#true} is VALID [2020-07-08 22:09:16,727 INFO L263 TraceCheckUtils]: 0: Hoare triple {340#true} call ULTIMATE.init(); {358#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 22:09:16,727 INFO L280 TraceCheckUtils]: 1: Hoare triple {358#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {340#true} is VALID [2020-07-08 22:09:16,727 INFO L280 TraceCheckUtils]: 2: Hoare triple {340#true} #valid := #valid[0 := 0]; {340#true} is VALID [2020-07-08 22:09:16,728 INFO L280 TraceCheckUtils]: 3: Hoare triple {340#true} assume 0 < #StackHeapBarrier; {340#true} is VALID [2020-07-08 22:09:16,728 INFO L280 TraceCheckUtils]: 4: Hoare triple {340#true} assume true; {340#true} is VALID [2020-07-08 22:09:16,728 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {340#true} {340#true} #50#return; {340#true} is VALID [2020-07-08 22:09:16,729 INFO L263 TraceCheckUtils]: 6: Hoare triple {340#true} call #t~ret4 := main(#in~argc, #in~argv.base, #in~argv.offset); {340#true} is VALID [2020-07-08 22:09:16,729 INFO L280 TraceCheckUtils]: 7: Hoare triple {340#true} ~argc := #in~argc; {340#true} is VALID [2020-07-08 22:09:16,730 INFO L280 TraceCheckUtils]: 8: Hoare triple {340#true} ~argv.base, ~argv.offset := #in~argv.base, #in~argv.offset; {340#true} is VALID [2020-07-08 22:09:16,730 INFO L280 TraceCheckUtils]: 9: Hoare triple {340#true} SUMMARY for call ~#x~0.base, ~#x~0.offset := #Ultimate.allocOnStack(4); srcloc: L22 {340#true} is VALID [2020-07-08 22:09:16,730 INFO L280 TraceCheckUtils]: 10: Hoare triple {340#true} SUMMARY for call write~init~int(0, ~#x~0.base, ~#x~0.offset, 4); srcloc: L22-1 {340#true} is VALID [2020-07-08 22:09:16,731 INFO L280 TraceCheckUtils]: 11: Hoare triple {340#true} ~p~0.base, ~p~0.offset := ~#x~0.base, ~#x~0.offset; {340#true} is VALID [2020-07-08 22:09:16,732 INFO L280 TraceCheckUtils]: 12: Hoare triple {340#true} SUMMARY for call write~int(10, ~p~0.base, ~p~0.offset, 4); srcloc: L24 {347#(= 10 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))} is VALID [2020-07-08 22:09:16,734 INFO L263 TraceCheckUtils]: 13: Hoare triple {347#(= 10 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))} call foo(~p~0.base, ~p~0.offset); {348#(= 10 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|))} is VALID [2020-07-08 22:09:16,735 INFO L280 TraceCheckUtils]: 14: Hoare triple {348#(= 10 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|))} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {349#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:09:16,736 INFO L280 TraceCheckUtils]: 15: Hoare triple {349#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {349#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:09:16,737 INFO L280 TraceCheckUtils]: 16: Hoare triple {349#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} assume #t~mem2 < 20; {349#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:09:16,737 INFO L280 TraceCheckUtils]: 17: Hoare triple {349#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} havoc #t~mem2; {349#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:09:16,739 INFO L263 TraceCheckUtils]: 18: Hoare triple {349#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} call plus(~p.base, ~p.offset); {350#(= 10 (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|))} is VALID [2020-07-08 22:09:16,740 INFO L280 TraceCheckUtils]: 19: Hoare triple {350#(= 10 (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|))} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {351#(= 10 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} is VALID [2020-07-08 22:09:16,741 INFO L280 TraceCheckUtils]: 20: Hoare triple {351#(= 10 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} SUMMARY for call #t~mem0 := read~int(~p.base, ~p.offset, 4); srcloc: L5 {352#(= 10 |plus_#t~mem0|)} is VALID [2020-07-08 22:09:16,742 INFO L280 TraceCheckUtils]: 21: Hoare triple {352#(= 10 |plus_#t~mem0|)} #t~post1 := #t~mem0; {353#(= 10 |plus_#t~post1|)} is VALID [2020-07-08 22:09:16,743 INFO L280 TraceCheckUtils]: 22: Hoare triple {353#(= 10 |plus_#t~post1|)} SUMMARY for call write~int(1 + #t~post1, ~p.base, ~p.offset, 4); srcloc: L5-2 {354#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} is VALID [2020-07-08 22:09:16,744 INFO L280 TraceCheckUtils]: 23: Hoare triple {354#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} havoc #t~post1; {354#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} is VALID [2020-07-08 22:09:16,745 INFO L280 TraceCheckUtils]: 24: Hoare triple {354#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} havoc #t~mem0; {354#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} is VALID [2020-07-08 22:09:16,746 INFO L263 TraceCheckUtils]: 25: Hoare triple {354#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} call foo(~p.base, ~p.offset); {355#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 11)} is VALID [2020-07-08 22:09:16,747 INFO L280 TraceCheckUtils]: 26: Hoare triple {355#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 11)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {356#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} is VALID [2020-07-08 22:09:16,747 INFO L280 TraceCheckUtils]: 27: Hoare triple {356#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {357#(<= |foo_#t~mem2| 11)} is VALID [2020-07-08 22:09:16,748 INFO L280 TraceCheckUtils]: 28: Hoare triple {357#(<= |foo_#t~mem2| 11)} assume !(#t~mem2 < 20); {341#false} is VALID [2020-07-08 22:09:16,749 INFO L280 TraceCheckUtils]: 29: Hoare triple {341#false} havoc #t~mem2; {341#false} is VALID [2020-07-08 22:09:16,749 INFO L280 TraceCheckUtils]: 30: Hoare triple {341#false} SUMMARY for call #t~mem3 := read~int(~p.base, ~p.offset, 4); srcloc: L12 {341#false} is VALID [2020-07-08 22:09:16,749 INFO L280 TraceCheckUtils]: 31: Hoare triple {341#false} assume !(20 == #t~mem3); {341#false} is VALID [2020-07-08 22:09:16,750 INFO L280 TraceCheckUtils]: 32: Hoare triple {341#false} havoc #t~mem3; {341#false} is VALID [2020-07-08 22:09:16,750 INFO L280 TraceCheckUtils]: 33: Hoare triple {341#false} assume !false; {341#false} is VALID [2020-07-08 22:09:16,753 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 22:09:16,754 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1938741065] [2020-07-08 22:09:16,754 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-08 22:09:16,754 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-07-08 22:09:16,754 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884093873] [2020-07-08 22:09:16,756 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 34 [2020-07-08 22:09:16,757 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:09:16,757 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states. [2020-07-08 22:09:16,798 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:09:16,798 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-08 22:09:16,799 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:09:16,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-08 22:09:16,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-07-08 22:09:16,800 INFO L87 Difference]: Start difference. First operand 35 states and 35 transitions. Second operand 14 states. [2020-07-08 22:09:17,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:09:17,892 INFO L93 Difference]: Finished difference Result 55 states and 55 transitions. [2020-07-08 22:09:17,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-08 22:09:17,893 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 34 [2020-07-08 22:09:17,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:09:17,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-08 22:09:17,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 55 transitions. [2020-07-08 22:09:17,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-08 22:09:17,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 55 transitions. [2020-07-08 22:09:17,900 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 17 states and 55 transitions. [2020-07-08 22:09:17,962 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 55 edges. 55 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:09:17,965 INFO L225 Difference]: With dead ends: 55 [2020-07-08 22:09:17,965 INFO L226 Difference]: Without dead ends: 49 [2020-07-08 22:09:17,967 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=130, Invalid=572, Unknown=0, NotChecked=0, Total=702 [2020-07-08 22:09:17,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-07-08 22:09:18,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 47. [2020-07-08 22:09:18,078 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:09:18,078 INFO L82 GeneralOperation]: Start isEquivalent. First operand 49 states. Second operand 47 states. [2020-07-08 22:09:18,079 INFO L74 IsIncluded]: Start isIncluded. First operand 49 states. Second operand 47 states. [2020-07-08 22:09:18,079 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 47 states. [2020-07-08 22:09:18,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:09:18,088 INFO L93 Difference]: Finished difference Result 49 states and 49 transitions. [2020-07-08 22:09:18,088 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 49 transitions. [2020-07-08 22:09:18,089 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:09:18,089 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:09:18,089 INFO L74 IsIncluded]: Start isIncluded. First operand 47 states. Second operand 49 states. [2020-07-08 22:09:18,090 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 49 states. [2020-07-08 22:09:18,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:09:18,097 INFO L93 Difference]: Finished difference Result 49 states and 49 transitions. [2020-07-08 22:09:18,097 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 49 transitions. [2020-07-08 22:09:18,098 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:09:18,098 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:09:18,099 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:09:18,099 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:09:18,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-07-08 22:09:18,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 47 transitions. [2020-07-08 22:09:18,108 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 47 transitions. Word has length 34 [2020-07-08 22:09:18,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:09:18,108 INFO L479 AbstractCegarLoop]: Abstraction has 47 states and 47 transitions. [2020-07-08 22:09:18,109 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-08 22:09:18,117 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 47 states and 47 transitions. [2020-07-08 22:09:18,181 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 47 edges. 47 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:09:18,182 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 47 transitions. [2020-07-08 22:09:18,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-08 22:09:18,184 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:09:18,184 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 22:09:18,184 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-08 22:09:18,185 INFO L427 AbstractCegarLoop]: === Iteration 3 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:09:18,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:09:18,185 INFO L82 PathProgramCache]: Analyzing trace with hash 180793302, now seen corresponding path program 2 times [2020-07-08 22:09:18,185 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:09:18,186 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1020683444] [2020-07-08 22:09:18,186 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:09:18,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:18,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:18,606 INFO L280 TraceCheckUtils]: 0: Hoare triple {713#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {689#true} is VALID [2020-07-08 22:09:18,607 INFO L280 TraceCheckUtils]: 1: Hoare triple {689#true} #valid := #valid[0 := 0]; {689#true} is VALID [2020-07-08 22:09:18,607 INFO L280 TraceCheckUtils]: 2: Hoare triple {689#true} assume 0 < #StackHeapBarrier; {689#true} is VALID [2020-07-08 22:09:18,607 INFO L280 TraceCheckUtils]: 3: Hoare triple {689#true} assume true; {689#true} is VALID [2020-07-08 22:09:18,608 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {689#true} {689#true} #50#return; {689#true} is VALID [2020-07-08 22:09:18,608 INFO L263 TraceCheckUtils]: 0: Hoare triple {689#true} call ULTIMATE.init(); {713#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 22:09:18,609 INFO L280 TraceCheckUtils]: 1: Hoare triple {713#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {689#true} is VALID [2020-07-08 22:09:18,609 INFO L280 TraceCheckUtils]: 2: Hoare triple {689#true} #valid := #valid[0 := 0]; {689#true} is VALID [2020-07-08 22:09:18,609 INFO L280 TraceCheckUtils]: 3: Hoare triple {689#true} assume 0 < #StackHeapBarrier; {689#true} is VALID [2020-07-08 22:09:18,609 INFO L280 TraceCheckUtils]: 4: Hoare triple {689#true} assume true; {689#true} is VALID [2020-07-08 22:09:18,609 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {689#true} {689#true} #50#return; {689#true} is VALID [2020-07-08 22:09:18,610 INFO L263 TraceCheckUtils]: 6: Hoare triple {689#true} call #t~ret4 := main(#in~argc, #in~argv.base, #in~argv.offset); {689#true} is VALID [2020-07-08 22:09:18,610 INFO L280 TraceCheckUtils]: 7: Hoare triple {689#true} ~argc := #in~argc; {689#true} is VALID [2020-07-08 22:09:18,610 INFO L280 TraceCheckUtils]: 8: Hoare triple {689#true} ~argv.base, ~argv.offset := #in~argv.base, #in~argv.offset; {689#true} is VALID [2020-07-08 22:09:18,611 INFO L280 TraceCheckUtils]: 9: Hoare triple {689#true} SUMMARY for call ~#x~0.base, ~#x~0.offset := #Ultimate.allocOnStack(4); srcloc: L22 {689#true} is VALID [2020-07-08 22:09:18,611 INFO L280 TraceCheckUtils]: 10: Hoare triple {689#true} SUMMARY for call write~init~int(0, ~#x~0.base, ~#x~0.offset, 4); srcloc: L22-1 {689#true} is VALID [2020-07-08 22:09:18,611 INFO L280 TraceCheckUtils]: 11: Hoare triple {689#true} ~p~0.base, ~p~0.offset := ~#x~0.base, ~#x~0.offset; {689#true} is VALID [2020-07-08 22:09:18,618 INFO L280 TraceCheckUtils]: 12: Hoare triple {689#true} SUMMARY for call write~int(10, ~p~0.base, ~p~0.offset, 4); srcloc: L24 {696#(= 10 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))} is VALID [2020-07-08 22:09:18,620 INFO L263 TraceCheckUtils]: 13: Hoare triple {696#(= 10 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))} call foo(~p~0.base, ~p~0.offset); {697#(= 10 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|))} is VALID [2020-07-08 22:09:18,621 INFO L280 TraceCheckUtils]: 14: Hoare triple {697#(= 10 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|))} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {698#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:09:18,621 INFO L280 TraceCheckUtils]: 15: Hoare triple {698#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {698#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:09:18,622 INFO L280 TraceCheckUtils]: 16: Hoare triple {698#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} assume #t~mem2 < 20; {698#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:09:18,628 INFO L280 TraceCheckUtils]: 17: Hoare triple {698#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} havoc #t~mem2; {698#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:09:18,630 INFO L263 TraceCheckUtils]: 18: Hoare triple {698#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} call plus(~p.base, ~p.offset); {699#(= 10 (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|))} is VALID [2020-07-08 22:09:18,630 INFO L280 TraceCheckUtils]: 19: Hoare triple {699#(= 10 (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|))} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {700#(= 10 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} is VALID [2020-07-08 22:09:18,631 INFO L280 TraceCheckUtils]: 20: Hoare triple {700#(= 10 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} SUMMARY for call #t~mem0 := read~int(~p.base, ~p.offset, 4); srcloc: L5 {701#(= 10 |plus_#t~mem0|)} is VALID [2020-07-08 22:09:18,632 INFO L280 TraceCheckUtils]: 21: Hoare triple {701#(= 10 |plus_#t~mem0|)} #t~post1 := #t~mem0; {702#(= 10 |plus_#t~post1|)} is VALID [2020-07-08 22:09:18,633 INFO L280 TraceCheckUtils]: 22: Hoare triple {702#(= 10 |plus_#t~post1|)} SUMMARY for call write~int(1 + #t~post1, ~p.base, ~p.offset, 4); srcloc: L5-2 {703#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} is VALID [2020-07-08 22:09:18,634 INFO L280 TraceCheckUtils]: 23: Hoare triple {703#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} havoc #t~post1; {703#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} is VALID [2020-07-08 22:09:18,634 INFO L280 TraceCheckUtils]: 24: Hoare triple {703#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} havoc #t~mem0; {703#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} is VALID [2020-07-08 22:09:18,635 INFO L263 TraceCheckUtils]: 25: Hoare triple {703#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} call foo(~p.base, ~p.offset); {704#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 11)} is VALID [2020-07-08 22:09:18,636 INFO L280 TraceCheckUtils]: 26: Hoare triple {704#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 11)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {705#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} is VALID [2020-07-08 22:09:18,637 INFO L280 TraceCheckUtils]: 27: Hoare triple {705#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {705#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} is VALID [2020-07-08 22:09:18,638 INFO L280 TraceCheckUtils]: 28: Hoare triple {705#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} assume #t~mem2 < 20; {705#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} is VALID [2020-07-08 22:09:18,638 INFO L280 TraceCheckUtils]: 29: Hoare triple {705#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} havoc #t~mem2; {705#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} is VALID [2020-07-08 22:09:18,639 INFO L263 TraceCheckUtils]: 30: Hoare triple {705#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} call plus(~p.base, ~p.offset); {706#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 11)} is VALID [2020-07-08 22:09:18,640 INFO L280 TraceCheckUtils]: 31: Hoare triple {706#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 11)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {703#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} is VALID [2020-07-08 22:09:18,641 INFO L280 TraceCheckUtils]: 32: Hoare triple {703#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} SUMMARY for call #t~mem0 := read~int(~p.base, ~p.offset, 4); srcloc: L5 {707#(<= |plus_#t~mem0| 11)} is VALID [2020-07-08 22:09:18,642 INFO L280 TraceCheckUtils]: 33: Hoare triple {707#(<= |plus_#t~mem0| 11)} #t~post1 := #t~mem0; {708#(<= |plus_#t~post1| 11)} is VALID [2020-07-08 22:09:18,643 INFO L280 TraceCheckUtils]: 34: Hoare triple {708#(<= |plus_#t~post1| 11)} SUMMARY for call write~int(1 + #t~post1, ~p.base, ~p.offset, 4); srcloc: L5-2 {709#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} is VALID [2020-07-08 22:09:18,646 INFO L280 TraceCheckUtils]: 35: Hoare triple {709#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} havoc #t~post1; {709#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} is VALID [2020-07-08 22:09:18,647 INFO L280 TraceCheckUtils]: 36: Hoare triple {709#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} havoc #t~mem0; {709#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} is VALID [2020-07-08 22:09:18,649 INFO L263 TraceCheckUtils]: 37: Hoare triple {709#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} call foo(~p.base, ~p.offset); {710#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 12)} is VALID [2020-07-08 22:09:18,649 INFO L280 TraceCheckUtils]: 38: Hoare triple {710#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 12)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {711#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} is VALID [2020-07-08 22:09:18,650 INFO L280 TraceCheckUtils]: 39: Hoare triple {711#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {712#(<= |foo_#t~mem2| 12)} is VALID [2020-07-08 22:09:18,651 INFO L280 TraceCheckUtils]: 40: Hoare triple {712#(<= |foo_#t~mem2| 12)} assume !(#t~mem2 < 20); {690#false} is VALID [2020-07-08 22:09:18,651 INFO L280 TraceCheckUtils]: 41: Hoare triple {690#false} havoc #t~mem2; {690#false} is VALID [2020-07-08 22:09:18,651 INFO L280 TraceCheckUtils]: 42: Hoare triple {690#false} SUMMARY for call #t~mem3 := read~int(~p.base, ~p.offset, 4); srcloc: L12 {690#false} is VALID [2020-07-08 22:09:18,652 INFO L280 TraceCheckUtils]: 43: Hoare triple {690#false} assume !(20 == #t~mem3); {690#false} is VALID [2020-07-08 22:09:18,652 INFO L280 TraceCheckUtils]: 44: Hoare triple {690#false} havoc #t~mem3; {690#false} is VALID [2020-07-08 22:09:18,652 INFO L280 TraceCheckUtils]: 45: Hoare triple {690#false} assume !false; {690#false} is VALID [2020-07-08 22:09:18,657 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 22:09:18,657 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1020683444] [2020-07-08 22:09:18,657 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-08 22:09:18,658 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-07-08 22:09:18,658 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868958658] [2020-07-08 22:09:18,658 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 46 [2020-07-08 22:09:18,659 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:09:18,659 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 20 states. [2020-07-08 22:09:18,713 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 46 edges. 46 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:09:18,714 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-08 22:09:18,714 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:09:18,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-08 22:09:18,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2020-07-08 22:09:18,716 INFO L87 Difference]: Start difference. First operand 47 states and 47 transitions. Second operand 20 states. [2020-07-08 22:09:20,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:09:20,392 INFO L93 Difference]: Finished difference Result 67 states and 67 transitions. [2020-07-08 22:09:20,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-07-08 22:09:20,395 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 46 [2020-07-08 22:09:20,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:09:20,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-07-08 22:09:20,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 67 transitions. [2020-07-08 22:09:20,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-07-08 22:09:20,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 67 transitions. [2020-07-08 22:09:20,409 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 26 states and 67 transitions. [2020-07-08 22:09:20,503 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 67 edges. 67 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:09:20,506 INFO L225 Difference]: With dead ends: 67 [2020-07-08 22:09:20,506 INFO L226 Difference]: Without dead ends: 61 [2020-07-08 22:09:20,510 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 286 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=282, Invalid=1440, Unknown=0, NotChecked=0, Total=1722 [2020-07-08 22:09:20,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2020-07-08 22:09:20,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 59. [2020-07-08 22:09:20,633 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:09:20,633 INFO L82 GeneralOperation]: Start isEquivalent. First operand 61 states. Second operand 59 states. [2020-07-08 22:09:20,633 INFO L74 IsIncluded]: Start isIncluded. First operand 61 states. Second operand 59 states. [2020-07-08 22:09:20,634 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 59 states. [2020-07-08 22:09:20,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:09:20,638 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2020-07-08 22:09:20,638 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2020-07-08 22:09:20,639 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:09:20,639 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:09:20,639 INFO L74 IsIncluded]: Start isIncluded. First operand 59 states. Second operand 61 states. [2020-07-08 22:09:20,639 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 61 states. [2020-07-08 22:09:20,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:09:20,643 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2020-07-08 22:09:20,643 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2020-07-08 22:09:20,644 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:09:20,644 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:09:20,644 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:09:20,644 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:09:20,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-07-08 22:09:20,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 59 transitions. [2020-07-08 22:09:20,647 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 59 transitions. Word has length 46 [2020-07-08 22:09:20,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:09:20,647 INFO L479 AbstractCegarLoop]: Abstraction has 59 states and 59 transitions. [2020-07-08 22:09:20,648 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-08 22:09:20,648 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 59 states and 59 transitions. [2020-07-08 22:09:20,728 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 59 edges. 59 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:09:20,728 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 59 transitions. [2020-07-08 22:09:20,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-07-08 22:09:20,731 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:09:20,731 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 22:09:20,731 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-08 22:09:20,731 INFO L427 AbstractCegarLoop]: === Iteration 4 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:09:20,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:09:20,732 INFO L82 PathProgramCache]: Analyzing trace with hash -68284547, now seen corresponding path program 3 times [2020-07-08 22:09:20,732 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:09:20,732 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2118080609] [2020-07-08 22:09:20,732 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:09:20,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:21,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:21,336 INFO L280 TraceCheckUtils]: 0: Hoare triple {1164#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {1134#true} is VALID [2020-07-08 22:09:21,337 INFO L280 TraceCheckUtils]: 1: Hoare triple {1134#true} #valid := #valid[0 := 0]; {1134#true} is VALID [2020-07-08 22:09:21,337 INFO L280 TraceCheckUtils]: 2: Hoare triple {1134#true} assume 0 < #StackHeapBarrier; {1134#true} is VALID [2020-07-08 22:09:21,337 INFO L280 TraceCheckUtils]: 3: Hoare triple {1134#true} assume true; {1134#true} is VALID [2020-07-08 22:09:21,337 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1134#true} {1134#true} #50#return; {1134#true} is VALID [2020-07-08 22:09:21,339 INFO L263 TraceCheckUtils]: 0: Hoare triple {1134#true} call ULTIMATE.init(); {1164#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 22:09:21,339 INFO L280 TraceCheckUtils]: 1: Hoare triple {1164#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {1134#true} is VALID [2020-07-08 22:09:21,339 INFO L280 TraceCheckUtils]: 2: Hoare triple {1134#true} #valid := #valid[0 := 0]; {1134#true} is VALID [2020-07-08 22:09:21,340 INFO L280 TraceCheckUtils]: 3: Hoare triple {1134#true} assume 0 < #StackHeapBarrier; {1134#true} is VALID [2020-07-08 22:09:21,340 INFO L280 TraceCheckUtils]: 4: Hoare triple {1134#true} assume true; {1134#true} is VALID [2020-07-08 22:09:21,340 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {1134#true} {1134#true} #50#return; {1134#true} is VALID [2020-07-08 22:09:21,340 INFO L263 TraceCheckUtils]: 6: Hoare triple {1134#true} call #t~ret4 := main(#in~argc, #in~argv.base, #in~argv.offset); {1134#true} is VALID [2020-07-08 22:09:21,341 INFO L280 TraceCheckUtils]: 7: Hoare triple {1134#true} ~argc := #in~argc; {1134#true} is VALID [2020-07-08 22:09:21,341 INFO L280 TraceCheckUtils]: 8: Hoare triple {1134#true} ~argv.base, ~argv.offset := #in~argv.base, #in~argv.offset; {1134#true} is VALID [2020-07-08 22:09:21,341 INFO L280 TraceCheckUtils]: 9: Hoare triple {1134#true} SUMMARY for call ~#x~0.base, ~#x~0.offset := #Ultimate.allocOnStack(4); srcloc: L22 {1134#true} is VALID [2020-07-08 22:09:21,341 INFO L280 TraceCheckUtils]: 10: Hoare triple {1134#true} SUMMARY for call write~init~int(0, ~#x~0.base, ~#x~0.offset, 4); srcloc: L22-1 {1134#true} is VALID [2020-07-08 22:09:21,342 INFO L280 TraceCheckUtils]: 11: Hoare triple {1134#true} ~p~0.base, ~p~0.offset := ~#x~0.base, ~#x~0.offset; {1134#true} is VALID [2020-07-08 22:09:21,343 INFO L280 TraceCheckUtils]: 12: Hoare triple {1134#true} SUMMARY for call write~int(10, ~p~0.base, ~p~0.offset, 4); srcloc: L24 {1141#(= 10 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))} is VALID [2020-07-08 22:09:21,344 INFO L263 TraceCheckUtils]: 13: Hoare triple {1141#(= 10 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))} call foo(~p~0.base, ~p~0.offset); {1142#(= 10 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|))} is VALID [2020-07-08 22:09:21,345 INFO L280 TraceCheckUtils]: 14: Hoare triple {1142#(= 10 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|))} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {1143#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:09:21,346 INFO L280 TraceCheckUtils]: 15: Hoare triple {1143#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {1143#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:09:21,346 INFO L280 TraceCheckUtils]: 16: Hoare triple {1143#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} assume #t~mem2 < 20; {1143#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:09:21,347 INFO L280 TraceCheckUtils]: 17: Hoare triple {1143#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} havoc #t~mem2; {1143#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:09:21,348 INFO L263 TraceCheckUtils]: 18: Hoare triple {1143#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} call plus(~p.base, ~p.offset); {1144#(= 10 (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|))} is VALID [2020-07-08 22:09:21,349 INFO L280 TraceCheckUtils]: 19: Hoare triple {1144#(= 10 (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|))} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {1145#(= 10 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} is VALID [2020-07-08 22:09:21,350 INFO L280 TraceCheckUtils]: 20: Hoare triple {1145#(= 10 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} SUMMARY for call #t~mem0 := read~int(~p.base, ~p.offset, 4); srcloc: L5 {1146#(= 10 |plus_#t~mem0|)} is VALID [2020-07-08 22:09:21,350 INFO L280 TraceCheckUtils]: 21: Hoare triple {1146#(= 10 |plus_#t~mem0|)} #t~post1 := #t~mem0; {1147#(= 10 |plus_#t~post1|)} is VALID [2020-07-08 22:09:21,351 INFO L280 TraceCheckUtils]: 22: Hoare triple {1147#(= 10 |plus_#t~post1|)} SUMMARY for call write~int(1 + #t~post1, ~p.base, ~p.offset, 4); srcloc: L5-2 {1148#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} is VALID [2020-07-08 22:09:21,352 INFO L280 TraceCheckUtils]: 23: Hoare triple {1148#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} havoc #t~post1; {1148#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} is VALID [2020-07-08 22:09:21,353 INFO L280 TraceCheckUtils]: 24: Hoare triple {1148#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} havoc #t~mem0; {1148#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} is VALID [2020-07-08 22:09:21,356 INFO L263 TraceCheckUtils]: 25: Hoare triple {1148#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} call foo(~p.base, ~p.offset); {1149#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 11)} is VALID [2020-07-08 22:09:21,357 INFO L280 TraceCheckUtils]: 26: Hoare triple {1149#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 11)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {1150#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} is VALID [2020-07-08 22:09:21,357 INFO L280 TraceCheckUtils]: 27: Hoare triple {1150#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {1150#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} is VALID [2020-07-08 22:09:21,358 INFO L280 TraceCheckUtils]: 28: Hoare triple {1150#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} assume #t~mem2 < 20; {1150#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} is VALID [2020-07-08 22:09:21,358 INFO L280 TraceCheckUtils]: 29: Hoare triple {1150#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} havoc #t~mem2; {1150#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} is VALID [2020-07-08 22:09:21,359 INFO L263 TraceCheckUtils]: 30: Hoare triple {1150#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} call plus(~p.base, ~p.offset); {1151#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 11)} is VALID [2020-07-08 22:09:21,360 INFO L280 TraceCheckUtils]: 31: Hoare triple {1151#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 11)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {1148#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} is VALID [2020-07-08 22:09:21,360 INFO L280 TraceCheckUtils]: 32: Hoare triple {1148#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} SUMMARY for call #t~mem0 := read~int(~p.base, ~p.offset, 4); srcloc: L5 {1152#(<= |plus_#t~mem0| 11)} is VALID [2020-07-08 22:09:21,361 INFO L280 TraceCheckUtils]: 33: Hoare triple {1152#(<= |plus_#t~mem0| 11)} #t~post1 := #t~mem0; {1153#(<= |plus_#t~post1| 11)} is VALID [2020-07-08 22:09:21,362 INFO L280 TraceCheckUtils]: 34: Hoare triple {1153#(<= |plus_#t~post1| 11)} SUMMARY for call write~int(1 + #t~post1, ~p.base, ~p.offset, 4); srcloc: L5-2 {1154#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} is VALID [2020-07-08 22:09:21,363 INFO L280 TraceCheckUtils]: 35: Hoare triple {1154#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} havoc #t~post1; {1154#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} is VALID [2020-07-08 22:09:21,363 INFO L280 TraceCheckUtils]: 36: Hoare triple {1154#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} havoc #t~mem0; {1154#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} is VALID [2020-07-08 22:09:21,365 INFO L263 TraceCheckUtils]: 37: Hoare triple {1154#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} call foo(~p.base, ~p.offset); {1155#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 12)} is VALID [2020-07-08 22:09:21,366 INFO L280 TraceCheckUtils]: 38: Hoare triple {1155#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 12)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {1156#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} is VALID [2020-07-08 22:09:21,366 INFO L280 TraceCheckUtils]: 39: Hoare triple {1156#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {1156#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} is VALID [2020-07-08 22:09:21,372 INFO L280 TraceCheckUtils]: 40: Hoare triple {1156#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} assume #t~mem2 < 20; {1156#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} is VALID [2020-07-08 22:09:21,372 INFO L280 TraceCheckUtils]: 41: Hoare triple {1156#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} havoc #t~mem2; {1156#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} is VALID [2020-07-08 22:09:21,374 INFO L263 TraceCheckUtils]: 42: Hoare triple {1156#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} call plus(~p.base, ~p.offset); {1157#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 12)} is VALID [2020-07-08 22:09:21,375 INFO L280 TraceCheckUtils]: 43: Hoare triple {1157#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 12)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {1154#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} is VALID [2020-07-08 22:09:21,376 INFO L280 TraceCheckUtils]: 44: Hoare triple {1154#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} SUMMARY for call #t~mem0 := read~int(~p.base, ~p.offset, 4); srcloc: L5 {1158#(<= |plus_#t~mem0| 12)} is VALID [2020-07-08 22:09:21,379 INFO L280 TraceCheckUtils]: 45: Hoare triple {1158#(<= |plus_#t~mem0| 12)} #t~post1 := #t~mem0; {1159#(<= |plus_#t~post1| 12)} is VALID [2020-07-08 22:09:21,380 INFO L280 TraceCheckUtils]: 46: Hoare triple {1159#(<= |plus_#t~post1| 12)} SUMMARY for call write~int(1 + #t~post1, ~p.base, ~p.offset, 4); srcloc: L5-2 {1160#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 13)} is VALID [2020-07-08 22:09:21,381 INFO L280 TraceCheckUtils]: 47: Hoare triple {1160#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 13)} havoc #t~post1; {1160#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 13)} is VALID [2020-07-08 22:09:21,381 INFO L280 TraceCheckUtils]: 48: Hoare triple {1160#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 13)} havoc #t~mem0; {1160#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 13)} is VALID [2020-07-08 22:09:21,382 INFO L263 TraceCheckUtils]: 49: Hoare triple {1160#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 13)} call foo(~p.base, ~p.offset); {1161#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 13)} is VALID [2020-07-08 22:09:21,382 INFO L280 TraceCheckUtils]: 50: Hoare triple {1161#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 13)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {1162#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 13)} is VALID [2020-07-08 22:09:21,383 INFO L280 TraceCheckUtils]: 51: Hoare triple {1162#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 13)} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {1163#(<= |foo_#t~mem2| 13)} is VALID [2020-07-08 22:09:21,384 INFO L280 TraceCheckUtils]: 52: Hoare triple {1163#(<= |foo_#t~mem2| 13)} assume !(#t~mem2 < 20); {1135#false} is VALID [2020-07-08 22:09:21,384 INFO L280 TraceCheckUtils]: 53: Hoare triple {1135#false} havoc #t~mem2; {1135#false} is VALID [2020-07-08 22:09:21,384 INFO L280 TraceCheckUtils]: 54: Hoare triple {1135#false} SUMMARY for call #t~mem3 := read~int(~p.base, ~p.offset, 4); srcloc: L12 {1135#false} is VALID [2020-07-08 22:09:21,385 INFO L280 TraceCheckUtils]: 55: Hoare triple {1135#false} assume !(20 == #t~mem3); {1135#false} is VALID [2020-07-08 22:09:21,385 INFO L280 TraceCheckUtils]: 56: Hoare triple {1135#false} havoc #t~mem3; {1135#false} is VALID [2020-07-08 22:09:21,385 INFO L280 TraceCheckUtils]: 57: Hoare triple {1135#false} assume !false; {1135#false} is VALID [2020-07-08 22:09:21,392 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 22:09:21,392 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2118080609] [2020-07-08 22:09:21,392 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-08 22:09:21,392 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2020-07-08 22:09:21,393 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931196560] [2020-07-08 22:09:21,393 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 58 [2020-07-08 22:09:21,394 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:09:21,394 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 26 states. [2020-07-08 22:09:21,460 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 58 edges. 58 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:09:21,460 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-07-08 22:09:21,461 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:09:21,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-07-08 22:09:21,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=574, Unknown=0, NotChecked=0, Total=650 [2020-07-08 22:09:21,462 INFO L87 Difference]: Start difference. First operand 59 states and 59 transitions. Second operand 26 states. [2020-07-08 22:09:23,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:09:23,821 INFO L93 Difference]: Finished difference Result 79 states and 79 transitions. [2020-07-08 22:09:23,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-07-08 22:09:23,821 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 58 [2020-07-08 22:09:23,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:09:23,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-07-08 22:09:23,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 79 transitions. [2020-07-08 22:09:23,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-07-08 22:09:23,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 79 transitions. [2020-07-08 22:09:23,835 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 35 states and 79 transitions. [2020-07-08 22:09:23,941 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 79 edges. 79 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:09:23,944 INFO L225 Difference]: With dead ends: 79 [2020-07-08 22:09:23,945 INFO L226 Difference]: Without dead ends: 73 [2020-07-08 22:09:23,946 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 611 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=491, Invalid=2701, Unknown=0, NotChecked=0, Total=3192 [2020-07-08 22:09:23,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-07-08 22:09:24,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 71. [2020-07-08 22:09:24,108 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:09:24,108 INFO L82 GeneralOperation]: Start isEquivalent. First operand 73 states. Second operand 71 states. [2020-07-08 22:09:24,108 INFO L74 IsIncluded]: Start isIncluded. First operand 73 states. Second operand 71 states. [2020-07-08 22:09:24,108 INFO L87 Difference]: Start difference. First operand 73 states. Second operand 71 states. [2020-07-08 22:09:24,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:09:24,112 INFO L93 Difference]: Finished difference Result 73 states and 73 transitions. [2020-07-08 22:09:24,113 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 73 transitions. [2020-07-08 22:09:24,113 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:09:24,113 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:09:24,113 INFO L74 IsIncluded]: Start isIncluded. First operand 71 states. Second operand 73 states. [2020-07-08 22:09:24,114 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 73 states. [2020-07-08 22:09:24,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:09:24,117 INFO L93 Difference]: Finished difference Result 73 states and 73 transitions. [2020-07-08 22:09:24,117 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 73 transitions. [2020-07-08 22:09:24,117 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:09:24,118 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:09:24,118 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:09:24,118 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:09:24,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-07-08 22:09:24,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 71 transitions. [2020-07-08 22:09:24,121 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 71 transitions. Word has length 58 [2020-07-08 22:09:24,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:09:24,121 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 71 transitions. [2020-07-08 22:09:24,122 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-07-08 22:09:24,122 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 71 states and 71 transitions. [2020-07-08 22:09:24,238 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 71 edges. 71 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:09:24,238 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 71 transitions. [2020-07-08 22:09:24,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-08 22:09:24,241 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:09:24,241 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 22:09:24,241 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-08 22:09:24,242 INFO L427 AbstractCegarLoop]: === Iteration 5 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:09:24,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:09:24,242 INFO L82 PathProgramCache]: Analyzing trace with hash -1585959772, now seen corresponding path program 4 times [2020-07-08 22:09:24,242 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:09:24,243 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [481627236] [2020-07-08 22:09:24,243 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:09:24,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:24,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:24,993 INFO L280 TraceCheckUtils]: 0: Hoare triple {1711#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {1675#true} is VALID [2020-07-08 22:09:24,994 INFO L280 TraceCheckUtils]: 1: Hoare triple {1675#true} #valid := #valid[0 := 0]; {1675#true} is VALID [2020-07-08 22:09:24,994 INFO L280 TraceCheckUtils]: 2: Hoare triple {1675#true} assume 0 < #StackHeapBarrier; {1675#true} is VALID [2020-07-08 22:09:24,994 INFO L280 TraceCheckUtils]: 3: Hoare triple {1675#true} assume true; {1675#true} is VALID [2020-07-08 22:09:24,994 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1675#true} {1675#true} #50#return; {1675#true} is VALID [2020-07-08 22:09:24,995 INFO L263 TraceCheckUtils]: 0: Hoare triple {1675#true} call ULTIMATE.init(); {1711#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 22:09:24,996 INFO L280 TraceCheckUtils]: 1: Hoare triple {1711#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {1675#true} is VALID [2020-07-08 22:09:24,996 INFO L280 TraceCheckUtils]: 2: Hoare triple {1675#true} #valid := #valid[0 := 0]; {1675#true} is VALID [2020-07-08 22:09:24,996 INFO L280 TraceCheckUtils]: 3: Hoare triple {1675#true} assume 0 < #StackHeapBarrier; {1675#true} is VALID [2020-07-08 22:09:24,996 INFO L280 TraceCheckUtils]: 4: Hoare triple {1675#true} assume true; {1675#true} is VALID [2020-07-08 22:09:24,997 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {1675#true} {1675#true} #50#return; {1675#true} is VALID [2020-07-08 22:09:24,997 INFO L263 TraceCheckUtils]: 6: Hoare triple {1675#true} call #t~ret4 := main(#in~argc, #in~argv.base, #in~argv.offset); {1675#true} is VALID [2020-07-08 22:09:25,000 INFO L280 TraceCheckUtils]: 7: Hoare triple {1675#true} ~argc := #in~argc; {1675#true} is VALID [2020-07-08 22:09:25,001 INFO L280 TraceCheckUtils]: 8: Hoare triple {1675#true} ~argv.base, ~argv.offset := #in~argv.base, #in~argv.offset; {1675#true} is VALID [2020-07-08 22:09:25,001 INFO L280 TraceCheckUtils]: 9: Hoare triple {1675#true} SUMMARY for call ~#x~0.base, ~#x~0.offset := #Ultimate.allocOnStack(4); srcloc: L22 {1675#true} is VALID [2020-07-08 22:09:25,001 INFO L280 TraceCheckUtils]: 10: Hoare triple {1675#true} SUMMARY for call write~init~int(0, ~#x~0.base, ~#x~0.offset, 4); srcloc: L22-1 {1675#true} is VALID [2020-07-08 22:09:25,002 INFO L280 TraceCheckUtils]: 11: Hoare triple {1675#true} ~p~0.base, ~p~0.offset := ~#x~0.base, ~#x~0.offset; {1675#true} is VALID [2020-07-08 22:09:25,005 INFO L280 TraceCheckUtils]: 12: Hoare triple {1675#true} SUMMARY for call write~int(10, ~p~0.base, ~p~0.offset, 4); srcloc: L24 {1682#(= 10 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))} is VALID [2020-07-08 22:09:25,007 INFO L263 TraceCheckUtils]: 13: Hoare triple {1682#(= 10 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))} call foo(~p~0.base, ~p~0.offset); {1683#(= 10 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|))} is VALID [2020-07-08 22:09:25,009 INFO L280 TraceCheckUtils]: 14: Hoare triple {1683#(= 10 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|))} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {1684#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:09:25,009 INFO L280 TraceCheckUtils]: 15: Hoare triple {1684#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {1684#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:09:25,010 INFO L280 TraceCheckUtils]: 16: Hoare triple {1684#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} assume #t~mem2 < 20; {1684#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:09:25,011 INFO L280 TraceCheckUtils]: 17: Hoare triple {1684#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} havoc #t~mem2; {1684#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:09:25,018 INFO L263 TraceCheckUtils]: 18: Hoare triple {1684#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} call plus(~p.base, ~p.offset); {1685#(= 10 (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|))} is VALID [2020-07-08 22:09:25,019 INFO L280 TraceCheckUtils]: 19: Hoare triple {1685#(= 10 (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|))} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {1686#(= 10 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} is VALID [2020-07-08 22:09:25,020 INFO L280 TraceCheckUtils]: 20: Hoare triple {1686#(= 10 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} SUMMARY for call #t~mem0 := read~int(~p.base, ~p.offset, 4); srcloc: L5 {1687#(= 10 |plus_#t~mem0|)} is VALID [2020-07-08 22:09:25,022 INFO L280 TraceCheckUtils]: 21: Hoare triple {1687#(= 10 |plus_#t~mem0|)} #t~post1 := #t~mem0; {1688#(= 10 |plus_#t~post1|)} is VALID [2020-07-08 22:09:25,023 INFO L280 TraceCheckUtils]: 22: Hoare triple {1688#(= 10 |plus_#t~post1|)} SUMMARY for call write~int(1 + #t~post1, ~p.base, ~p.offset, 4); srcloc: L5-2 {1689#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} is VALID [2020-07-08 22:09:25,023 INFO L280 TraceCheckUtils]: 23: Hoare triple {1689#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} havoc #t~post1; {1689#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} is VALID [2020-07-08 22:09:25,024 INFO L280 TraceCheckUtils]: 24: Hoare triple {1689#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} havoc #t~mem0; {1689#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} is VALID [2020-07-08 22:09:25,025 INFO L263 TraceCheckUtils]: 25: Hoare triple {1689#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} call foo(~p.base, ~p.offset); {1690#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 11)} is VALID [2020-07-08 22:09:25,026 INFO L280 TraceCheckUtils]: 26: Hoare triple {1690#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 11)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {1691#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} is VALID [2020-07-08 22:09:25,026 INFO L280 TraceCheckUtils]: 27: Hoare triple {1691#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {1691#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} is VALID [2020-07-08 22:09:25,027 INFO L280 TraceCheckUtils]: 28: Hoare triple {1691#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} assume #t~mem2 < 20; {1691#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} is VALID [2020-07-08 22:09:25,027 INFO L280 TraceCheckUtils]: 29: Hoare triple {1691#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} havoc #t~mem2; {1691#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} is VALID [2020-07-08 22:09:25,028 INFO L263 TraceCheckUtils]: 30: Hoare triple {1691#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} call plus(~p.base, ~p.offset); {1692#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 11)} is VALID [2020-07-08 22:09:25,029 INFO L280 TraceCheckUtils]: 31: Hoare triple {1692#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 11)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {1689#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} is VALID [2020-07-08 22:09:25,030 INFO L280 TraceCheckUtils]: 32: Hoare triple {1689#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} SUMMARY for call #t~mem0 := read~int(~p.base, ~p.offset, 4); srcloc: L5 {1693#(<= |plus_#t~mem0| 11)} is VALID [2020-07-08 22:09:25,030 INFO L280 TraceCheckUtils]: 33: Hoare triple {1693#(<= |plus_#t~mem0| 11)} #t~post1 := #t~mem0; {1694#(<= |plus_#t~post1| 11)} is VALID [2020-07-08 22:09:25,031 INFO L280 TraceCheckUtils]: 34: Hoare triple {1694#(<= |plus_#t~post1| 11)} SUMMARY for call write~int(1 + #t~post1, ~p.base, ~p.offset, 4); srcloc: L5-2 {1695#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} is VALID [2020-07-08 22:09:25,032 INFO L280 TraceCheckUtils]: 35: Hoare triple {1695#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} havoc #t~post1; {1695#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} is VALID [2020-07-08 22:09:25,032 INFO L280 TraceCheckUtils]: 36: Hoare triple {1695#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} havoc #t~mem0; {1695#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} is VALID [2020-07-08 22:09:25,033 INFO L263 TraceCheckUtils]: 37: Hoare triple {1695#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} call foo(~p.base, ~p.offset); {1696#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 12)} is VALID [2020-07-08 22:09:25,034 INFO L280 TraceCheckUtils]: 38: Hoare triple {1696#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 12)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {1697#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} is VALID [2020-07-08 22:09:25,035 INFO L280 TraceCheckUtils]: 39: Hoare triple {1697#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {1697#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} is VALID [2020-07-08 22:09:25,036 INFO L280 TraceCheckUtils]: 40: Hoare triple {1697#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} assume #t~mem2 < 20; {1697#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} is VALID [2020-07-08 22:09:25,037 INFO L280 TraceCheckUtils]: 41: Hoare triple {1697#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} havoc #t~mem2; {1697#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} is VALID [2020-07-08 22:09:25,038 INFO L263 TraceCheckUtils]: 42: Hoare triple {1697#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} call plus(~p.base, ~p.offset); {1698#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 12)} is VALID [2020-07-08 22:09:25,038 INFO L280 TraceCheckUtils]: 43: Hoare triple {1698#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 12)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {1695#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} is VALID [2020-07-08 22:09:25,039 INFO L280 TraceCheckUtils]: 44: Hoare triple {1695#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} SUMMARY for call #t~mem0 := read~int(~p.base, ~p.offset, 4); srcloc: L5 {1699#(<= |plus_#t~mem0| 12)} is VALID [2020-07-08 22:09:25,040 INFO L280 TraceCheckUtils]: 45: Hoare triple {1699#(<= |plus_#t~mem0| 12)} #t~post1 := #t~mem0; {1700#(<= |plus_#t~post1| 12)} is VALID [2020-07-08 22:09:25,041 INFO L280 TraceCheckUtils]: 46: Hoare triple {1700#(<= |plus_#t~post1| 12)} SUMMARY for call write~int(1 + #t~post1, ~p.base, ~p.offset, 4); srcloc: L5-2 {1701#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 13)} is VALID [2020-07-08 22:09:25,041 INFO L280 TraceCheckUtils]: 47: Hoare triple {1701#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 13)} havoc #t~post1; {1701#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 13)} is VALID [2020-07-08 22:09:25,042 INFO L280 TraceCheckUtils]: 48: Hoare triple {1701#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 13)} havoc #t~mem0; {1701#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 13)} is VALID [2020-07-08 22:09:25,043 INFO L263 TraceCheckUtils]: 49: Hoare triple {1701#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 13)} call foo(~p.base, ~p.offset); {1702#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 13)} is VALID [2020-07-08 22:09:25,044 INFO L280 TraceCheckUtils]: 50: Hoare triple {1702#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 13)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {1703#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 13)} is VALID [2020-07-08 22:09:25,044 INFO L280 TraceCheckUtils]: 51: Hoare triple {1703#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 13)} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {1703#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 13)} is VALID [2020-07-08 22:09:25,045 INFO L280 TraceCheckUtils]: 52: Hoare triple {1703#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 13)} assume #t~mem2 < 20; {1703#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 13)} is VALID [2020-07-08 22:09:25,046 INFO L280 TraceCheckUtils]: 53: Hoare triple {1703#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 13)} havoc #t~mem2; {1703#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 13)} is VALID [2020-07-08 22:09:25,047 INFO L263 TraceCheckUtils]: 54: Hoare triple {1703#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 13)} call plus(~p.base, ~p.offset); {1704#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 13)} is VALID [2020-07-08 22:09:25,047 INFO L280 TraceCheckUtils]: 55: Hoare triple {1704#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 13)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {1701#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 13)} is VALID [2020-07-08 22:09:25,048 INFO L280 TraceCheckUtils]: 56: Hoare triple {1701#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 13)} SUMMARY for call #t~mem0 := read~int(~p.base, ~p.offset, 4); srcloc: L5 {1705#(<= |plus_#t~mem0| 13)} is VALID [2020-07-08 22:09:25,049 INFO L280 TraceCheckUtils]: 57: Hoare triple {1705#(<= |plus_#t~mem0| 13)} #t~post1 := #t~mem0; {1706#(<= |plus_#t~post1| 13)} is VALID [2020-07-08 22:09:25,049 INFO L280 TraceCheckUtils]: 58: Hoare triple {1706#(<= |plus_#t~post1| 13)} SUMMARY for call write~int(1 + #t~post1, ~p.base, ~p.offset, 4); srcloc: L5-2 {1707#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 14)} is VALID [2020-07-08 22:09:25,050 INFO L280 TraceCheckUtils]: 59: Hoare triple {1707#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 14)} havoc #t~post1; {1707#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 14)} is VALID [2020-07-08 22:09:25,051 INFO L280 TraceCheckUtils]: 60: Hoare triple {1707#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 14)} havoc #t~mem0; {1707#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 14)} is VALID [2020-07-08 22:09:25,052 INFO L263 TraceCheckUtils]: 61: Hoare triple {1707#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 14)} call foo(~p.base, ~p.offset); {1708#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 14)} is VALID [2020-07-08 22:09:25,052 INFO L280 TraceCheckUtils]: 62: Hoare triple {1708#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 14)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {1709#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 14)} is VALID [2020-07-08 22:09:25,053 INFO L280 TraceCheckUtils]: 63: Hoare triple {1709#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 14)} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {1710#(<= |foo_#t~mem2| 14)} is VALID [2020-07-08 22:09:25,054 INFO L280 TraceCheckUtils]: 64: Hoare triple {1710#(<= |foo_#t~mem2| 14)} assume !(#t~mem2 < 20); {1676#false} is VALID [2020-07-08 22:09:25,054 INFO L280 TraceCheckUtils]: 65: Hoare triple {1676#false} havoc #t~mem2; {1676#false} is VALID [2020-07-08 22:09:25,054 INFO L280 TraceCheckUtils]: 66: Hoare triple {1676#false} SUMMARY for call #t~mem3 := read~int(~p.base, ~p.offset, 4); srcloc: L12 {1676#false} is VALID [2020-07-08 22:09:25,055 INFO L280 TraceCheckUtils]: 67: Hoare triple {1676#false} assume !(20 == #t~mem3); {1676#false} is VALID [2020-07-08 22:09:25,055 INFO L280 TraceCheckUtils]: 68: Hoare triple {1676#false} havoc #t~mem3; {1676#false} is VALID [2020-07-08 22:09:25,055 INFO L280 TraceCheckUtils]: 69: Hoare triple {1676#false} assume !false; {1676#false} is VALID [2020-07-08 22:09:25,063 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 22:09:25,063 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [481627236] [2020-07-08 22:09:25,064 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-08 22:09:25,064 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2020-07-08 22:09:25,064 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40046625] [2020-07-08 22:09:25,065 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 70 [2020-07-08 22:09:25,065 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:09:25,065 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 32 states. [2020-07-08 22:09:25,135 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 70 edges. 70 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:09:25,135 INFO L459 AbstractCegarLoop]: Interpolant automaton has 32 states [2020-07-08 22:09:25,135 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:09:25,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2020-07-08 22:09:25,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=883, Unknown=0, NotChecked=0, Total=992 [2020-07-08 22:09:25,137 INFO L87 Difference]: Start difference. First operand 71 states and 71 transitions. Second operand 32 states. [2020-07-08 22:09:28,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:09:28,803 INFO L93 Difference]: Finished difference Result 91 states and 91 transitions. [2020-07-08 22:09:28,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-07-08 22:09:28,803 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 70 [2020-07-08 22:09:28,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:09:28,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-07-08 22:09:28,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 91 transitions. [2020-07-08 22:09:28,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-07-08 22:09:28,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 91 transitions. [2020-07-08 22:09:28,810 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 44 states and 91 transitions. [2020-07-08 22:09:28,940 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 91 edges. 91 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:09:28,944 INFO L225 Difference]: With dead ends: 91 [2020-07-08 22:09:28,944 INFO L226 Difference]: Without dead ends: 85 [2020-07-08 22:09:28,946 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1056 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=757, Invalid=4355, Unknown=0, NotChecked=0, Total=5112 [2020-07-08 22:09:28,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2020-07-08 22:09:29,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 83. [2020-07-08 22:09:29,176 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:09:29,176 INFO L82 GeneralOperation]: Start isEquivalent. First operand 85 states. Second operand 83 states. [2020-07-08 22:09:29,176 INFO L74 IsIncluded]: Start isIncluded. First operand 85 states. Second operand 83 states. [2020-07-08 22:09:29,176 INFO L87 Difference]: Start difference. First operand 85 states. Second operand 83 states. [2020-07-08 22:09:29,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:09:29,180 INFO L93 Difference]: Finished difference Result 85 states and 85 transitions. [2020-07-08 22:09:29,180 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 85 transitions. [2020-07-08 22:09:29,180 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:09:29,180 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:09:29,180 INFO L74 IsIncluded]: Start isIncluded. First operand 83 states. Second operand 85 states. [2020-07-08 22:09:29,181 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 85 states. [2020-07-08 22:09:29,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:09:29,184 INFO L93 Difference]: Finished difference Result 85 states and 85 transitions. [2020-07-08 22:09:29,184 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 85 transitions. [2020-07-08 22:09:29,184 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:09:29,184 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:09:29,184 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:09:29,184 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:09:29,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-07-08 22:09:29,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 83 transitions. [2020-07-08 22:09:29,187 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 83 transitions. Word has length 70 [2020-07-08 22:09:29,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:09:29,188 INFO L479 AbstractCegarLoop]: Abstraction has 83 states and 83 transitions. [2020-07-08 22:09:29,188 INFO L480 AbstractCegarLoop]: Interpolant automaton has 32 states. [2020-07-08 22:09:29,188 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 83 states and 83 transitions. [2020-07-08 22:09:29,317 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 83 edges. 83 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:09:29,318 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 83 transitions. [2020-07-08 22:09:29,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-07-08 22:09:29,319 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:09:29,320 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 22:09:29,320 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-08 22:09:29,320 INFO L427 AbstractCegarLoop]: === Iteration 6 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:09:29,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:09:29,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1974781771, now seen corresponding path program 5 times [2020-07-08 22:09:29,321 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:09:29,321 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [480207975] [2020-07-08 22:09:29,321 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:09:29,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:30,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:30,237 INFO L280 TraceCheckUtils]: 0: Hoare triple {2354#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {2312#true} is VALID [2020-07-08 22:09:30,238 INFO L280 TraceCheckUtils]: 1: Hoare triple {2312#true} #valid := #valid[0 := 0]; {2312#true} is VALID [2020-07-08 22:09:30,238 INFO L280 TraceCheckUtils]: 2: Hoare triple {2312#true} assume 0 < #StackHeapBarrier; {2312#true} is VALID [2020-07-08 22:09:30,238 INFO L280 TraceCheckUtils]: 3: Hoare triple {2312#true} assume true; {2312#true} is VALID [2020-07-08 22:09:30,238 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {2312#true} {2312#true} #50#return; {2312#true} is VALID [2020-07-08 22:09:30,242 INFO L263 TraceCheckUtils]: 0: Hoare triple {2312#true} call ULTIMATE.init(); {2354#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 22:09:30,242 INFO L280 TraceCheckUtils]: 1: Hoare triple {2354#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {2312#true} is VALID [2020-07-08 22:09:30,242 INFO L280 TraceCheckUtils]: 2: Hoare triple {2312#true} #valid := #valid[0 := 0]; {2312#true} is VALID [2020-07-08 22:09:30,242 INFO L280 TraceCheckUtils]: 3: Hoare triple {2312#true} assume 0 < #StackHeapBarrier; {2312#true} is VALID [2020-07-08 22:09:30,243 INFO L280 TraceCheckUtils]: 4: Hoare triple {2312#true} assume true; {2312#true} is VALID [2020-07-08 22:09:30,243 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {2312#true} {2312#true} #50#return; {2312#true} is VALID [2020-07-08 22:09:30,243 INFO L263 TraceCheckUtils]: 6: Hoare triple {2312#true} call #t~ret4 := main(#in~argc, #in~argv.base, #in~argv.offset); {2312#true} is VALID [2020-07-08 22:09:30,243 INFO L280 TraceCheckUtils]: 7: Hoare triple {2312#true} ~argc := #in~argc; {2312#true} is VALID [2020-07-08 22:09:30,243 INFO L280 TraceCheckUtils]: 8: Hoare triple {2312#true} ~argv.base, ~argv.offset := #in~argv.base, #in~argv.offset; {2312#true} is VALID [2020-07-08 22:09:30,244 INFO L280 TraceCheckUtils]: 9: Hoare triple {2312#true} SUMMARY for call ~#x~0.base, ~#x~0.offset := #Ultimate.allocOnStack(4); srcloc: L22 {2312#true} is VALID [2020-07-08 22:09:30,244 INFO L280 TraceCheckUtils]: 10: Hoare triple {2312#true} SUMMARY for call write~init~int(0, ~#x~0.base, ~#x~0.offset, 4); srcloc: L22-1 {2312#true} is VALID [2020-07-08 22:09:30,244 INFO L280 TraceCheckUtils]: 11: Hoare triple {2312#true} ~p~0.base, ~p~0.offset := ~#x~0.base, ~#x~0.offset; {2312#true} is VALID [2020-07-08 22:09:30,245 INFO L280 TraceCheckUtils]: 12: Hoare triple {2312#true} SUMMARY for call write~int(10, ~p~0.base, ~p~0.offset, 4); srcloc: L24 {2319#(= 10 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))} is VALID [2020-07-08 22:09:30,246 INFO L263 TraceCheckUtils]: 13: Hoare triple {2319#(= 10 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))} call foo(~p~0.base, ~p~0.offset); {2320#(= 10 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|))} is VALID [2020-07-08 22:09:30,247 INFO L280 TraceCheckUtils]: 14: Hoare triple {2320#(= 10 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|))} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {2321#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:09:30,247 INFO L280 TraceCheckUtils]: 15: Hoare triple {2321#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {2321#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:09:30,247 INFO L280 TraceCheckUtils]: 16: Hoare triple {2321#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} assume #t~mem2 < 20; {2321#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:09:30,248 INFO L280 TraceCheckUtils]: 17: Hoare triple {2321#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} havoc #t~mem2; {2321#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:09:30,249 INFO L263 TraceCheckUtils]: 18: Hoare triple {2321#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} call plus(~p.base, ~p.offset); {2322#(= 10 (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|))} is VALID [2020-07-08 22:09:30,249 INFO L280 TraceCheckUtils]: 19: Hoare triple {2322#(= 10 (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|))} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {2323#(= 10 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} is VALID [2020-07-08 22:09:30,250 INFO L280 TraceCheckUtils]: 20: Hoare triple {2323#(= 10 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} SUMMARY for call #t~mem0 := read~int(~p.base, ~p.offset, 4); srcloc: L5 {2324#(= 10 |plus_#t~mem0|)} is VALID [2020-07-08 22:09:30,251 INFO L280 TraceCheckUtils]: 21: Hoare triple {2324#(= 10 |plus_#t~mem0|)} #t~post1 := #t~mem0; {2325#(= 10 |plus_#t~post1|)} is VALID [2020-07-08 22:09:30,251 INFO L280 TraceCheckUtils]: 22: Hoare triple {2325#(= 10 |plus_#t~post1|)} SUMMARY for call write~int(1 + #t~post1, ~p.base, ~p.offset, 4); srcloc: L5-2 {2326#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} is VALID [2020-07-08 22:09:30,253 INFO L280 TraceCheckUtils]: 23: Hoare triple {2326#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} havoc #t~post1; {2326#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} is VALID [2020-07-08 22:09:30,254 INFO L280 TraceCheckUtils]: 24: Hoare triple {2326#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} havoc #t~mem0; {2326#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} is VALID [2020-07-08 22:09:30,255 INFO L263 TraceCheckUtils]: 25: Hoare triple {2326#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} call foo(~p.base, ~p.offset); {2327#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 11)} is VALID [2020-07-08 22:09:30,255 INFO L280 TraceCheckUtils]: 26: Hoare triple {2327#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 11)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {2328#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} is VALID [2020-07-08 22:09:30,256 INFO L280 TraceCheckUtils]: 27: Hoare triple {2328#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {2328#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} is VALID [2020-07-08 22:09:30,256 INFO L280 TraceCheckUtils]: 28: Hoare triple {2328#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} assume #t~mem2 < 20; {2328#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} is VALID [2020-07-08 22:09:30,257 INFO L280 TraceCheckUtils]: 29: Hoare triple {2328#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} havoc #t~mem2; {2328#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} is VALID [2020-07-08 22:09:30,260 INFO L263 TraceCheckUtils]: 30: Hoare triple {2328#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} call plus(~p.base, ~p.offset); {2329#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 11)} is VALID [2020-07-08 22:09:30,260 INFO L280 TraceCheckUtils]: 31: Hoare triple {2329#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 11)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {2326#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} is VALID [2020-07-08 22:09:30,261 INFO L280 TraceCheckUtils]: 32: Hoare triple {2326#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} SUMMARY for call #t~mem0 := read~int(~p.base, ~p.offset, 4); srcloc: L5 {2330#(<= |plus_#t~mem0| 11)} is VALID [2020-07-08 22:09:30,261 INFO L280 TraceCheckUtils]: 33: Hoare triple {2330#(<= |plus_#t~mem0| 11)} #t~post1 := #t~mem0; {2331#(<= |plus_#t~post1| 11)} is VALID [2020-07-08 22:09:30,262 INFO L280 TraceCheckUtils]: 34: Hoare triple {2331#(<= |plus_#t~post1| 11)} SUMMARY for call write~int(1 + #t~post1, ~p.base, ~p.offset, 4); srcloc: L5-2 {2332#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} is VALID [2020-07-08 22:09:30,263 INFO L280 TraceCheckUtils]: 35: Hoare triple {2332#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} havoc #t~post1; {2332#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} is VALID [2020-07-08 22:09:30,263 INFO L280 TraceCheckUtils]: 36: Hoare triple {2332#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} havoc #t~mem0; {2332#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} is VALID [2020-07-08 22:09:30,264 INFO L263 TraceCheckUtils]: 37: Hoare triple {2332#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} call foo(~p.base, ~p.offset); {2333#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 12)} is VALID [2020-07-08 22:09:30,264 INFO L280 TraceCheckUtils]: 38: Hoare triple {2333#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 12)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {2334#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} is VALID [2020-07-08 22:09:30,265 INFO L280 TraceCheckUtils]: 39: Hoare triple {2334#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {2334#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} is VALID [2020-07-08 22:09:30,265 INFO L280 TraceCheckUtils]: 40: Hoare triple {2334#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} assume #t~mem2 < 20; {2334#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} is VALID [2020-07-08 22:09:30,266 INFO L280 TraceCheckUtils]: 41: Hoare triple {2334#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} havoc #t~mem2; {2334#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} is VALID [2020-07-08 22:09:30,266 INFO L263 TraceCheckUtils]: 42: Hoare triple {2334#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} call plus(~p.base, ~p.offset); {2335#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 12)} is VALID [2020-07-08 22:09:30,267 INFO L280 TraceCheckUtils]: 43: Hoare triple {2335#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 12)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {2332#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} is VALID [2020-07-08 22:09:30,268 INFO L280 TraceCheckUtils]: 44: Hoare triple {2332#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} SUMMARY for call #t~mem0 := read~int(~p.base, ~p.offset, 4); srcloc: L5 {2336#(<= |plus_#t~mem0| 12)} is VALID [2020-07-08 22:09:30,269 INFO L280 TraceCheckUtils]: 45: Hoare triple {2336#(<= |plus_#t~mem0| 12)} #t~post1 := #t~mem0; {2337#(<= |plus_#t~post1| 12)} is VALID [2020-07-08 22:09:30,270 INFO L280 TraceCheckUtils]: 46: Hoare triple {2337#(<= |plus_#t~post1| 12)} SUMMARY for call write~int(1 + #t~post1, ~p.base, ~p.offset, 4); srcloc: L5-2 {2338#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 13)} is VALID [2020-07-08 22:09:30,271 INFO L280 TraceCheckUtils]: 47: Hoare triple {2338#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 13)} havoc #t~post1; {2338#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 13)} is VALID [2020-07-08 22:09:30,272 INFO L280 TraceCheckUtils]: 48: Hoare triple {2338#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 13)} havoc #t~mem0; {2338#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 13)} is VALID [2020-07-08 22:09:30,273 INFO L263 TraceCheckUtils]: 49: Hoare triple {2338#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 13)} call foo(~p.base, ~p.offset); {2339#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 13)} is VALID [2020-07-08 22:09:30,274 INFO L280 TraceCheckUtils]: 50: Hoare triple {2339#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 13)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {2340#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 13)} is VALID [2020-07-08 22:09:30,274 INFO L280 TraceCheckUtils]: 51: Hoare triple {2340#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 13)} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {2340#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 13)} is VALID [2020-07-08 22:09:30,275 INFO L280 TraceCheckUtils]: 52: Hoare triple {2340#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 13)} assume #t~mem2 < 20; {2340#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 13)} is VALID [2020-07-08 22:09:30,276 INFO L280 TraceCheckUtils]: 53: Hoare triple {2340#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 13)} havoc #t~mem2; {2340#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 13)} is VALID [2020-07-08 22:09:30,276 INFO L263 TraceCheckUtils]: 54: Hoare triple {2340#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 13)} call plus(~p.base, ~p.offset); {2341#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 13)} is VALID [2020-07-08 22:09:30,277 INFO L280 TraceCheckUtils]: 55: Hoare triple {2341#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 13)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {2338#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 13)} is VALID [2020-07-08 22:09:30,282 INFO L280 TraceCheckUtils]: 56: Hoare triple {2338#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 13)} SUMMARY for call #t~mem0 := read~int(~p.base, ~p.offset, 4); srcloc: L5 {2342#(<= |plus_#t~mem0| 13)} is VALID [2020-07-08 22:09:30,283 INFO L280 TraceCheckUtils]: 57: Hoare triple {2342#(<= |plus_#t~mem0| 13)} #t~post1 := #t~mem0; {2343#(<= |plus_#t~post1| 13)} is VALID [2020-07-08 22:09:30,284 INFO L280 TraceCheckUtils]: 58: Hoare triple {2343#(<= |plus_#t~post1| 13)} SUMMARY for call write~int(1 + #t~post1, ~p.base, ~p.offset, 4); srcloc: L5-2 {2344#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 14)} is VALID [2020-07-08 22:09:30,285 INFO L280 TraceCheckUtils]: 59: Hoare triple {2344#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 14)} havoc #t~post1; {2344#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 14)} is VALID [2020-07-08 22:09:30,285 INFO L280 TraceCheckUtils]: 60: Hoare triple {2344#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 14)} havoc #t~mem0; {2344#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 14)} is VALID [2020-07-08 22:09:30,286 INFO L263 TraceCheckUtils]: 61: Hoare triple {2344#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 14)} call foo(~p.base, ~p.offset); {2345#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 14)} is VALID [2020-07-08 22:09:30,286 INFO L280 TraceCheckUtils]: 62: Hoare triple {2345#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 14)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {2346#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 14)} is VALID [2020-07-08 22:09:30,287 INFO L280 TraceCheckUtils]: 63: Hoare triple {2346#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 14)} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {2346#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 14)} is VALID [2020-07-08 22:09:30,287 INFO L280 TraceCheckUtils]: 64: Hoare triple {2346#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 14)} assume #t~mem2 < 20; {2346#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 14)} is VALID [2020-07-08 22:09:30,288 INFO L280 TraceCheckUtils]: 65: Hoare triple {2346#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 14)} havoc #t~mem2; {2346#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 14)} is VALID [2020-07-08 22:09:30,288 INFO L263 TraceCheckUtils]: 66: Hoare triple {2346#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 14)} call plus(~p.base, ~p.offset); {2347#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 14)} is VALID [2020-07-08 22:09:30,289 INFO L280 TraceCheckUtils]: 67: Hoare triple {2347#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 14)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {2344#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 14)} is VALID [2020-07-08 22:09:30,289 INFO L280 TraceCheckUtils]: 68: Hoare triple {2344#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 14)} SUMMARY for call #t~mem0 := read~int(~p.base, ~p.offset, 4); srcloc: L5 {2348#(<= |plus_#t~mem0| 14)} is VALID [2020-07-08 22:09:30,290 INFO L280 TraceCheckUtils]: 69: Hoare triple {2348#(<= |plus_#t~mem0| 14)} #t~post1 := #t~mem0; {2349#(<= |plus_#t~post1| 14)} is VALID [2020-07-08 22:09:30,291 INFO L280 TraceCheckUtils]: 70: Hoare triple {2349#(<= |plus_#t~post1| 14)} SUMMARY for call write~int(1 + #t~post1, ~p.base, ~p.offset, 4); srcloc: L5-2 {2350#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 15)} is VALID [2020-07-08 22:09:30,291 INFO L280 TraceCheckUtils]: 71: Hoare triple {2350#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 15)} havoc #t~post1; {2350#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 15)} is VALID [2020-07-08 22:09:30,292 INFO L280 TraceCheckUtils]: 72: Hoare triple {2350#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 15)} havoc #t~mem0; {2350#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 15)} is VALID [2020-07-08 22:09:30,292 INFO L263 TraceCheckUtils]: 73: Hoare triple {2350#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 15)} call foo(~p.base, ~p.offset); {2351#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 15)} is VALID [2020-07-08 22:09:30,293 INFO L280 TraceCheckUtils]: 74: Hoare triple {2351#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 15)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {2352#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 15)} is VALID [2020-07-08 22:09:30,293 INFO L280 TraceCheckUtils]: 75: Hoare triple {2352#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 15)} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {2353#(<= |foo_#t~mem2| 15)} is VALID [2020-07-08 22:09:30,294 INFO L280 TraceCheckUtils]: 76: Hoare triple {2353#(<= |foo_#t~mem2| 15)} assume !(#t~mem2 < 20); {2313#false} is VALID [2020-07-08 22:09:30,294 INFO L280 TraceCheckUtils]: 77: Hoare triple {2313#false} havoc #t~mem2; {2313#false} is VALID [2020-07-08 22:09:30,294 INFO L280 TraceCheckUtils]: 78: Hoare triple {2313#false} SUMMARY for call #t~mem3 := read~int(~p.base, ~p.offset, 4); srcloc: L12 {2313#false} is VALID [2020-07-08 22:09:30,295 INFO L280 TraceCheckUtils]: 79: Hoare triple {2313#false} assume !(20 == #t~mem3); {2313#false} is VALID [2020-07-08 22:09:30,295 INFO L280 TraceCheckUtils]: 80: Hoare triple {2313#false} havoc #t~mem3; {2313#false} is VALID [2020-07-08 22:09:30,295 INFO L280 TraceCheckUtils]: 81: Hoare triple {2313#false} assume !false; {2313#false} is VALID [2020-07-08 22:09:30,303 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 22:09:30,304 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [480207975] [2020-07-08 22:09:30,304 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-08 22:09:30,304 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2020-07-08 22:09:30,305 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718143636] [2020-07-08 22:09:30,306 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 82 [2020-07-08 22:09:30,306 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:09:30,306 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 38 states. [2020-07-08 22:09:30,403 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 82 edges. 82 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:09:30,403 INFO L459 AbstractCegarLoop]: Interpolant automaton has 38 states [2020-07-08 22:09:30,403 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:09:30,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2020-07-08 22:09:30,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=1258, Unknown=0, NotChecked=0, Total=1406 [2020-07-08 22:09:30,405 INFO L87 Difference]: Start difference. First operand 83 states and 83 transitions. Second operand 38 states. [2020-07-08 22:09:35,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:09:35,027 INFO L93 Difference]: Finished difference Result 103 states and 103 transitions. [2020-07-08 22:09:35,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-07-08 22:09:35,027 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 82 [2020-07-08 22:09:35,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:09:35,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-07-08 22:09:35,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 103 transitions. [2020-07-08 22:09:35,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-07-08 22:09:35,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 103 transitions. [2020-07-08 22:09:35,034 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 53 states and 103 transitions. [2020-07-08 22:09:35,187 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 103 edges. 103 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:09:35,190 INFO L225 Difference]: With dead ends: 103 [2020-07-08 22:09:35,190 INFO L226 Difference]: Without dead ends: 97 [2020-07-08 22:09:35,192 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1621 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=1080, Invalid=6402, Unknown=0, NotChecked=0, Total=7482 [2020-07-08 22:09:35,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-07-08 22:09:35,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 95. [2020-07-08 22:09:35,448 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:09:35,449 INFO L82 GeneralOperation]: Start isEquivalent. First operand 97 states. Second operand 95 states. [2020-07-08 22:09:35,449 INFO L74 IsIncluded]: Start isIncluded. First operand 97 states. Second operand 95 states. [2020-07-08 22:09:35,449 INFO L87 Difference]: Start difference. First operand 97 states. Second operand 95 states. [2020-07-08 22:09:35,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:09:35,453 INFO L93 Difference]: Finished difference Result 97 states and 97 transitions. [2020-07-08 22:09:35,454 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 97 transitions. [2020-07-08 22:09:35,454 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:09:35,454 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:09:35,454 INFO L74 IsIncluded]: Start isIncluded. First operand 95 states. Second operand 97 states. [2020-07-08 22:09:35,455 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 97 states. [2020-07-08 22:09:35,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:09:35,458 INFO L93 Difference]: Finished difference Result 97 states and 97 transitions. [2020-07-08 22:09:35,459 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 97 transitions. [2020-07-08 22:09:35,459 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:09:35,459 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:09:35,459 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:09:35,459 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:09:35,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-07-08 22:09:35,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 95 transitions. [2020-07-08 22:09:35,463 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 95 transitions. Word has length 82 [2020-07-08 22:09:35,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:09:35,463 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 95 transitions. [2020-07-08 22:09:35,464 INFO L480 AbstractCegarLoop]: Interpolant automaton has 38 states. [2020-07-08 22:09:35,464 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 95 states and 95 transitions. [2020-07-08 22:09:35,611 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 95 edges. 95 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:09:35,611 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 95 transitions. [2020-07-08 22:09:35,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-07-08 22:09:35,613 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:09:35,614 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 22:09:35,614 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-08 22:09:35,614 INFO L427 AbstractCegarLoop]: === Iteration 7 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:09:35,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:09:35,614 INFO L82 PathProgramCache]: Analyzing trace with hash 961781618, now seen corresponding path program 6 times [2020-07-08 22:09:35,615 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:09:35,615 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [7148984] [2020-07-08 22:09:35,615 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:09:35,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:36,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:36,815 INFO L280 TraceCheckUtils]: 0: Hoare triple {3093#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {3045#true} is VALID [2020-07-08 22:09:36,815 INFO L280 TraceCheckUtils]: 1: Hoare triple {3045#true} #valid := #valid[0 := 0]; {3045#true} is VALID [2020-07-08 22:09:36,816 INFO L280 TraceCheckUtils]: 2: Hoare triple {3045#true} assume 0 < #StackHeapBarrier; {3045#true} is VALID [2020-07-08 22:09:36,816 INFO L280 TraceCheckUtils]: 3: Hoare triple {3045#true} assume true; {3045#true} is VALID [2020-07-08 22:09:36,816 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3045#true} {3045#true} #50#return; {3045#true} is VALID [2020-07-08 22:09:36,821 INFO L263 TraceCheckUtils]: 0: Hoare triple {3045#true} call ULTIMATE.init(); {3093#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 22:09:36,821 INFO L280 TraceCheckUtils]: 1: Hoare triple {3093#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {3045#true} is VALID [2020-07-08 22:09:36,821 INFO L280 TraceCheckUtils]: 2: Hoare triple {3045#true} #valid := #valid[0 := 0]; {3045#true} is VALID [2020-07-08 22:09:36,821 INFO L280 TraceCheckUtils]: 3: Hoare triple {3045#true} assume 0 < #StackHeapBarrier; {3045#true} is VALID [2020-07-08 22:09:36,821 INFO L280 TraceCheckUtils]: 4: Hoare triple {3045#true} assume true; {3045#true} is VALID [2020-07-08 22:09:36,822 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {3045#true} {3045#true} #50#return; {3045#true} is VALID [2020-07-08 22:09:36,822 INFO L263 TraceCheckUtils]: 6: Hoare triple {3045#true} call #t~ret4 := main(#in~argc, #in~argv.base, #in~argv.offset); {3045#true} is VALID [2020-07-08 22:09:36,822 INFO L280 TraceCheckUtils]: 7: Hoare triple {3045#true} ~argc := #in~argc; {3045#true} is VALID [2020-07-08 22:09:36,822 INFO L280 TraceCheckUtils]: 8: Hoare triple {3045#true} ~argv.base, ~argv.offset := #in~argv.base, #in~argv.offset; {3045#true} is VALID [2020-07-08 22:09:36,822 INFO L280 TraceCheckUtils]: 9: Hoare triple {3045#true} SUMMARY for call ~#x~0.base, ~#x~0.offset := #Ultimate.allocOnStack(4); srcloc: L22 {3045#true} is VALID [2020-07-08 22:09:36,823 INFO L280 TraceCheckUtils]: 10: Hoare triple {3045#true} SUMMARY for call write~init~int(0, ~#x~0.base, ~#x~0.offset, 4); srcloc: L22-1 {3045#true} is VALID [2020-07-08 22:09:36,823 INFO L280 TraceCheckUtils]: 11: Hoare triple {3045#true} ~p~0.base, ~p~0.offset := ~#x~0.base, ~#x~0.offset; {3045#true} is VALID [2020-07-08 22:09:36,824 INFO L280 TraceCheckUtils]: 12: Hoare triple {3045#true} SUMMARY for call write~int(10, ~p~0.base, ~p~0.offset, 4); srcloc: L24 {3052#(= 10 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))} is VALID [2020-07-08 22:09:36,824 INFO L263 TraceCheckUtils]: 13: Hoare triple {3052#(= 10 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))} call foo(~p~0.base, ~p~0.offset); {3053#(= 10 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|))} is VALID [2020-07-08 22:09:36,825 INFO L280 TraceCheckUtils]: 14: Hoare triple {3053#(= 10 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|))} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {3054#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:09:36,825 INFO L280 TraceCheckUtils]: 15: Hoare triple {3054#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {3054#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:09:36,826 INFO L280 TraceCheckUtils]: 16: Hoare triple {3054#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} assume #t~mem2 < 20; {3054#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:09:36,826 INFO L280 TraceCheckUtils]: 17: Hoare triple {3054#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} havoc #t~mem2; {3054#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:09:36,827 INFO L263 TraceCheckUtils]: 18: Hoare triple {3054#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} call plus(~p.base, ~p.offset); {3055#(= 10 (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|))} is VALID [2020-07-08 22:09:36,827 INFO L280 TraceCheckUtils]: 19: Hoare triple {3055#(= 10 (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|))} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {3056#(= 10 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} is VALID [2020-07-08 22:09:36,828 INFO L280 TraceCheckUtils]: 20: Hoare triple {3056#(= 10 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} SUMMARY for call #t~mem0 := read~int(~p.base, ~p.offset, 4); srcloc: L5 {3057#(= 10 |plus_#t~mem0|)} is VALID [2020-07-08 22:09:36,828 INFO L280 TraceCheckUtils]: 21: Hoare triple {3057#(= 10 |plus_#t~mem0|)} #t~post1 := #t~mem0; {3058#(= 10 |plus_#t~post1|)} is VALID [2020-07-08 22:09:36,829 INFO L280 TraceCheckUtils]: 22: Hoare triple {3058#(= 10 |plus_#t~post1|)} SUMMARY for call write~int(1 + #t~post1, ~p.base, ~p.offset, 4); srcloc: L5-2 {3059#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} is VALID [2020-07-08 22:09:36,830 INFO L280 TraceCheckUtils]: 23: Hoare triple {3059#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} havoc #t~post1; {3059#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} is VALID [2020-07-08 22:09:36,830 INFO L280 TraceCheckUtils]: 24: Hoare triple {3059#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} havoc #t~mem0; {3059#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} is VALID [2020-07-08 22:09:36,831 INFO L263 TraceCheckUtils]: 25: Hoare triple {3059#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} call foo(~p.base, ~p.offset); {3060#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 11)} is VALID [2020-07-08 22:09:36,831 INFO L280 TraceCheckUtils]: 26: Hoare triple {3060#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 11)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {3061#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} is VALID [2020-07-08 22:09:36,832 INFO L280 TraceCheckUtils]: 27: Hoare triple {3061#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {3061#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} is VALID [2020-07-08 22:09:36,833 INFO L280 TraceCheckUtils]: 28: Hoare triple {3061#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} assume #t~mem2 < 20; {3061#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} is VALID [2020-07-08 22:09:36,833 INFO L280 TraceCheckUtils]: 29: Hoare triple {3061#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} havoc #t~mem2; {3061#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} is VALID [2020-07-08 22:09:36,834 INFO L263 TraceCheckUtils]: 30: Hoare triple {3061#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} call plus(~p.base, ~p.offset); {3062#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 11)} is VALID [2020-07-08 22:09:36,835 INFO L280 TraceCheckUtils]: 31: Hoare triple {3062#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 11)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {3059#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} is VALID [2020-07-08 22:09:36,836 INFO L280 TraceCheckUtils]: 32: Hoare triple {3059#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} SUMMARY for call #t~mem0 := read~int(~p.base, ~p.offset, 4); srcloc: L5 {3063#(<= |plus_#t~mem0| 11)} is VALID [2020-07-08 22:09:36,836 INFO L280 TraceCheckUtils]: 33: Hoare triple {3063#(<= |plus_#t~mem0| 11)} #t~post1 := #t~mem0; {3064#(<= |plus_#t~post1| 11)} is VALID [2020-07-08 22:09:36,837 INFO L280 TraceCheckUtils]: 34: Hoare triple {3064#(<= |plus_#t~post1| 11)} SUMMARY for call write~int(1 + #t~post1, ~p.base, ~p.offset, 4); srcloc: L5-2 {3065#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} is VALID [2020-07-08 22:09:36,838 INFO L280 TraceCheckUtils]: 35: Hoare triple {3065#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} havoc #t~post1; {3065#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} is VALID [2020-07-08 22:09:36,841 INFO L280 TraceCheckUtils]: 36: Hoare triple {3065#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} havoc #t~mem0; {3065#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} is VALID [2020-07-08 22:09:36,844 INFO L263 TraceCheckUtils]: 37: Hoare triple {3065#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} call foo(~p.base, ~p.offset); {3066#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 12)} is VALID [2020-07-08 22:09:36,845 INFO L280 TraceCheckUtils]: 38: Hoare triple {3066#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 12)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {3067#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} is VALID [2020-07-08 22:09:36,845 INFO L280 TraceCheckUtils]: 39: Hoare triple {3067#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {3067#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} is VALID [2020-07-08 22:09:36,846 INFO L280 TraceCheckUtils]: 40: Hoare triple {3067#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} assume #t~mem2 < 20; {3067#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} is VALID [2020-07-08 22:09:36,846 INFO L280 TraceCheckUtils]: 41: Hoare triple {3067#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} havoc #t~mem2; {3067#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} is VALID [2020-07-08 22:09:36,847 INFO L263 TraceCheckUtils]: 42: Hoare triple {3067#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} call plus(~p.base, ~p.offset); {3068#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 12)} is VALID [2020-07-08 22:09:36,848 INFO L280 TraceCheckUtils]: 43: Hoare triple {3068#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 12)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {3065#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} is VALID [2020-07-08 22:09:36,848 INFO L280 TraceCheckUtils]: 44: Hoare triple {3065#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} SUMMARY for call #t~mem0 := read~int(~p.base, ~p.offset, 4); srcloc: L5 {3069#(<= |plus_#t~mem0| 12)} is VALID [2020-07-08 22:09:36,848 INFO L280 TraceCheckUtils]: 45: Hoare triple {3069#(<= |plus_#t~mem0| 12)} #t~post1 := #t~mem0; {3070#(<= |plus_#t~post1| 12)} is VALID [2020-07-08 22:09:36,849 INFO L280 TraceCheckUtils]: 46: Hoare triple {3070#(<= |plus_#t~post1| 12)} SUMMARY for call write~int(1 + #t~post1, ~p.base, ~p.offset, 4); srcloc: L5-2 {3071#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 13)} is VALID [2020-07-08 22:09:36,850 INFO L280 TraceCheckUtils]: 47: Hoare triple {3071#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 13)} havoc #t~post1; {3071#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 13)} is VALID [2020-07-08 22:09:36,850 INFO L280 TraceCheckUtils]: 48: Hoare triple {3071#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 13)} havoc #t~mem0; {3071#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 13)} is VALID [2020-07-08 22:09:36,851 INFO L263 TraceCheckUtils]: 49: Hoare triple {3071#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 13)} call foo(~p.base, ~p.offset); {3072#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 13)} is VALID [2020-07-08 22:09:36,852 INFO L280 TraceCheckUtils]: 50: Hoare triple {3072#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 13)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {3073#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 13)} is VALID [2020-07-08 22:09:36,853 INFO L280 TraceCheckUtils]: 51: Hoare triple {3073#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 13)} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {3073#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 13)} is VALID [2020-07-08 22:09:36,853 INFO L280 TraceCheckUtils]: 52: Hoare triple {3073#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 13)} assume #t~mem2 < 20; {3073#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 13)} is VALID [2020-07-08 22:09:36,854 INFO L280 TraceCheckUtils]: 53: Hoare triple {3073#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 13)} havoc #t~mem2; {3073#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 13)} is VALID [2020-07-08 22:09:36,854 INFO L263 TraceCheckUtils]: 54: Hoare triple {3073#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 13)} call plus(~p.base, ~p.offset); {3074#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 13)} is VALID [2020-07-08 22:09:36,855 INFO L280 TraceCheckUtils]: 55: Hoare triple {3074#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 13)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {3071#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 13)} is VALID [2020-07-08 22:09:36,855 INFO L280 TraceCheckUtils]: 56: Hoare triple {3071#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 13)} SUMMARY for call #t~mem0 := read~int(~p.base, ~p.offset, 4); srcloc: L5 {3075#(<= |plus_#t~mem0| 13)} is VALID [2020-07-08 22:09:36,856 INFO L280 TraceCheckUtils]: 57: Hoare triple {3075#(<= |plus_#t~mem0| 13)} #t~post1 := #t~mem0; {3076#(<= |plus_#t~post1| 13)} is VALID [2020-07-08 22:09:36,856 INFO L280 TraceCheckUtils]: 58: Hoare triple {3076#(<= |plus_#t~post1| 13)} SUMMARY for call write~int(1 + #t~post1, ~p.base, ~p.offset, 4); srcloc: L5-2 {3077#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 14)} is VALID [2020-07-08 22:09:36,857 INFO L280 TraceCheckUtils]: 59: Hoare triple {3077#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 14)} havoc #t~post1; {3077#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 14)} is VALID [2020-07-08 22:09:36,857 INFO L280 TraceCheckUtils]: 60: Hoare triple {3077#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 14)} havoc #t~mem0; {3077#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 14)} is VALID [2020-07-08 22:09:36,858 INFO L263 TraceCheckUtils]: 61: Hoare triple {3077#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 14)} call foo(~p.base, ~p.offset); {3078#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 14)} is VALID [2020-07-08 22:09:36,858 INFO L280 TraceCheckUtils]: 62: Hoare triple {3078#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 14)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {3079#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 14)} is VALID [2020-07-08 22:09:36,859 INFO L280 TraceCheckUtils]: 63: Hoare triple {3079#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 14)} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {3079#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 14)} is VALID [2020-07-08 22:09:36,861 INFO L280 TraceCheckUtils]: 64: Hoare triple {3079#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 14)} assume #t~mem2 < 20; {3079#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 14)} is VALID [2020-07-08 22:09:36,862 INFO L280 TraceCheckUtils]: 65: Hoare triple {3079#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 14)} havoc #t~mem2; {3079#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 14)} is VALID [2020-07-08 22:09:36,863 INFO L263 TraceCheckUtils]: 66: Hoare triple {3079#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 14)} call plus(~p.base, ~p.offset); {3080#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 14)} is VALID [2020-07-08 22:09:36,863 INFO L280 TraceCheckUtils]: 67: Hoare triple {3080#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 14)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {3077#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 14)} is VALID [2020-07-08 22:09:36,864 INFO L280 TraceCheckUtils]: 68: Hoare triple {3077#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 14)} SUMMARY for call #t~mem0 := read~int(~p.base, ~p.offset, 4); srcloc: L5 {3081#(<= |plus_#t~mem0| 14)} is VALID [2020-07-08 22:09:36,864 INFO L280 TraceCheckUtils]: 69: Hoare triple {3081#(<= |plus_#t~mem0| 14)} #t~post1 := #t~mem0; {3082#(<= |plus_#t~post1| 14)} is VALID [2020-07-08 22:09:36,865 INFO L280 TraceCheckUtils]: 70: Hoare triple {3082#(<= |plus_#t~post1| 14)} SUMMARY for call write~int(1 + #t~post1, ~p.base, ~p.offset, 4); srcloc: L5-2 {3083#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 15)} is VALID [2020-07-08 22:09:36,866 INFO L280 TraceCheckUtils]: 71: Hoare triple {3083#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 15)} havoc #t~post1; {3083#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 15)} is VALID [2020-07-08 22:09:36,867 INFO L280 TraceCheckUtils]: 72: Hoare triple {3083#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 15)} havoc #t~mem0; {3083#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 15)} is VALID [2020-07-08 22:09:36,868 INFO L263 TraceCheckUtils]: 73: Hoare triple {3083#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 15)} call foo(~p.base, ~p.offset); {3084#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 15)} is VALID [2020-07-08 22:09:36,869 INFO L280 TraceCheckUtils]: 74: Hoare triple {3084#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 15)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {3085#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 15)} is VALID [2020-07-08 22:09:36,869 INFO L280 TraceCheckUtils]: 75: Hoare triple {3085#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 15)} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {3085#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 15)} is VALID [2020-07-08 22:09:36,870 INFO L280 TraceCheckUtils]: 76: Hoare triple {3085#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 15)} assume #t~mem2 < 20; {3085#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 15)} is VALID [2020-07-08 22:09:36,870 INFO L280 TraceCheckUtils]: 77: Hoare triple {3085#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 15)} havoc #t~mem2; {3085#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 15)} is VALID [2020-07-08 22:09:36,873 INFO L263 TraceCheckUtils]: 78: Hoare triple {3085#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 15)} call plus(~p.base, ~p.offset); {3086#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 15)} is VALID [2020-07-08 22:09:36,873 INFO L280 TraceCheckUtils]: 79: Hoare triple {3086#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 15)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {3083#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 15)} is VALID [2020-07-08 22:09:36,874 INFO L280 TraceCheckUtils]: 80: Hoare triple {3083#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 15)} SUMMARY for call #t~mem0 := read~int(~p.base, ~p.offset, 4); srcloc: L5 {3087#(<= |plus_#t~mem0| 15)} is VALID [2020-07-08 22:09:36,874 INFO L280 TraceCheckUtils]: 81: Hoare triple {3087#(<= |plus_#t~mem0| 15)} #t~post1 := #t~mem0; {3088#(<= |plus_#t~post1| 15)} is VALID [2020-07-08 22:09:36,875 INFO L280 TraceCheckUtils]: 82: Hoare triple {3088#(<= |plus_#t~post1| 15)} SUMMARY for call write~int(1 + #t~post1, ~p.base, ~p.offset, 4); srcloc: L5-2 {3089#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 16)} is VALID [2020-07-08 22:09:36,875 INFO L280 TraceCheckUtils]: 83: Hoare triple {3089#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 16)} havoc #t~post1; {3089#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 16)} is VALID [2020-07-08 22:09:36,875 INFO L280 TraceCheckUtils]: 84: Hoare triple {3089#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 16)} havoc #t~mem0; {3089#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 16)} is VALID [2020-07-08 22:09:36,876 INFO L263 TraceCheckUtils]: 85: Hoare triple {3089#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 16)} call foo(~p.base, ~p.offset); {3090#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 16)} is VALID [2020-07-08 22:09:36,877 INFO L280 TraceCheckUtils]: 86: Hoare triple {3090#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 16)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {3091#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 16)} is VALID [2020-07-08 22:09:36,877 INFO L280 TraceCheckUtils]: 87: Hoare triple {3091#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 16)} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {3092#(<= |foo_#t~mem2| 16)} is VALID [2020-07-08 22:09:36,878 INFO L280 TraceCheckUtils]: 88: Hoare triple {3092#(<= |foo_#t~mem2| 16)} assume !(#t~mem2 < 20); {3046#false} is VALID [2020-07-08 22:09:36,878 INFO L280 TraceCheckUtils]: 89: Hoare triple {3046#false} havoc #t~mem2; {3046#false} is VALID [2020-07-08 22:09:36,878 INFO L280 TraceCheckUtils]: 90: Hoare triple {3046#false} SUMMARY for call #t~mem3 := read~int(~p.base, ~p.offset, 4); srcloc: L12 {3046#false} is VALID [2020-07-08 22:09:36,879 INFO L280 TraceCheckUtils]: 91: Hoare triple {3046#false} assume !(20 == #t~mem3); {3046#false} is VALID [2020-07-08 22:09:36,879 INFO L280 TraceCheckUtils]: 92: Hoare triple {3046#false} havoc #t~mem3; {3046#false} is VALID [2020-07-08 22:09:36,879 INFO L280 TraceCheckUtils]: 93: Hoare triple {3046#false} assume !false; {3046#false} is VALID [2020-07-08 22:09:36,890 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 22:09:36,890 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [7148984] [2020-07-08 22:09:36,891 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-08 22:09:36,891 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44] total 44 [2020-07-08 22:09:36,891 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181084378] [2020-07-08 22:09:36,892 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 94 [2020-07-08 22:09:36,892 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:09:36,892 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 44 states. [2020-07-08 22:09:36,997 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 94 edges. 94 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:09:36,997 INFO L459 AbstractCegarLoop]: Interpolant automaton has 44 states [2020-07-08 22:09:36,997 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:09:36,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2020-07-08 22:09:36,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=1699, Unknown=0, NotChecked=0, Total=1892 [2020-07-08 22:09:36,999 INFO L87 Difference]: Start difference. First operand 95 states and 95 transitions. Second operand 44 states. [2020-07-08 22:09:41,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:09:41,939 INFO L93 Difference]: Finished difference Result 115 states and 115 transitions. [2020-07-08 22:09:41,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2020-07-08 22:09:41,939 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 94 [2020-07-08 22:09:41,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:09:41,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-07-08 22:09:41,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 115 transitions. [2020-07-08 22:09:41,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-07-08 22:09:41,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 115 transitions. [2020-07-08 22:09:41,949 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 62 states and 115 transitions. [2020-07-08 22:09:42,110 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 115 edges. 115 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:09:42,113 INFO L225 Difference]: With dead ends: 115 [2020-07-08 22:09:42,114 INFO L226 Difference]: Without dead ends: 109 [2020-07-08 22:09:42,117 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2306 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=1460, Invalid=8842, Unknown=0, NotChecked=0, Total=10302 [2020-07-08 22:09:42,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-07-08 22:09:42,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 107. [2020-07-08 22:09:42,420 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:09:42,420 INFO L82 GeneralOperation]: Start isEquivalent. First operand 109 states. Second operand 107 states. [2020-07-08 22:09:42,420 INFO L74 IsIncluded]: Start isIncluded. First operand 109 states. Second operand 107 states. [2020-07-08 22:09:42,420 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 107 states. [2020-07-08 22:09:42,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:09:42,424 INFO L93 Difference]: Finished difference Result 109 states and 109 transitions. [2020-07-08 22:09:42,424 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 109 transitions. [2020-07-08 22:09:42,425 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:09:42,425 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:09:42,425 INFO L74 IsIncluded]: Start isIncluded. First operand 107 states. Second operand 109 states. [2020-07-08 22:09:42,425 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 109 states. [2020-07-08 22:09:42,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:09:42,429 INFO L93 Difference]: Finished difference Result 109 states and 109 transitions. [2020-07-08 22:09:42,429 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 109 transitions. [2020-07-08 22:09:42,430 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:09:42,430 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:09:42,430 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:09:42,430 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:09:42,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-07-08 22:09:42,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 107 transitions. [2020-07-08 22:09:42,433 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 107 transitions. Word has length 94 [2020-07-08 22:09:42,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:09:42,434 INFO L479 AbstractCegarLoop]: Abstraction has 107 states and 107 transitions. [2020-07-08 22:09:42,434 INFO L480 AbstractCegarLoop]: Interpolant automaton has 44 states. [2020-07-08 22:09:42,434 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 107 states and 107 transitions. [2020-07-08 22:09:42,601 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 107 edges. 107 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:09:42,601 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 107 transitions. [2020-07-08 22:09:42,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-07-08 22:09:42,605 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:09:42,605 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 22:09:42,605 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-08 22:09:42,606 INFO L427 AbstractCegarLoop]: === Iteration 8 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:09:42,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:09:42,606 INFO L82 PathProgramCache]: Analyzing trace with hash 1667527961, now seen corresponding path program 7 times [2020-07-08 22:09:42,606 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:09:42,606 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [486507922] [2020-07-08 22:09:42,607 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:09:42,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:44,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:44,126 INFO L280 TraceCheckUtils]: 0: Hoare triple {3928#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {3874#true} is VALID [2020-07-08 22:09:44,126 INFO L280 TraceCheckUtils]: 1: Hoare triple {3874#true} #valid := #valid[0 := 0]; {3874#true} is VALID [2020-07-08 22:09:44,127 INFO L280 TraceCheckUtils]: 2: Hoare triple {3874#true} assume 0 < #StackHeapBarrier; {3874#true} is VALID [2020-07-08 22:09:44,127 INFO L280 TraceCheckUtils]: 3: Hoare triple {3874#true} assume true; {3874#true} is VALID [2020-07-08 22:09:44,127 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3874#true} {3874#true} #50#return; {3874#true} is VALID [2020-07-08 22:09:44,127 INFO L263 TraceCheckUtils]: 0: Hoare triple {3874#true} call ULTIMATE.init(); {3928#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 22:09:44,128 INFO L280 TraceCheckUtils]: 1: Hoare triple {3928#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {3874#true} is VALID [2020-07-08 22:09:44,128 INFO L280 TraceCheckUtils]: 2: Hoare triple {3874#true} #valid := #valid[0 := 0]; {3874#true} is VALID [2020-07-08 22:09:44,128 INFO L280 TraceCheckUtils]: 3: Hoare triple {3874#true} assume 0 < #StackHeapBarrier; {3874#true} is VALID [2020-07-08 22:09:44,128 INFO L280 TraceCheckUtils]: 4: Hoare triple {3874#true} assume true; {3874#true} is VALID [2020-07-08 22:09:44,128 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {3874#true} {3874#true} #50#return; {3874#true} is VALID [2020-07-08 22:09:44,128 INFO L263 TraceCheckUtils]: 6: Hoare triple {3874#true} call #t~ret4 := main(#in~argc, #in~argv.base, #in~argv.offset); {3874#true} is VALID [2020-07-08 22:09:44,128 INFO L280 TraceCheckUtils]: 7: Hoare triple {3874#true} ~argc := #in~argc; {3874#true} is VALID [2020-07-08 22:09:44,129 INFO L280 TraceCheckUtils]: 8: Hoare triple {3874#true} ~argv.base, ~argv.offset := #in~argv.base, #in~argv.offset; {3874#true} is VALID [2020-07-08 22:09:44,129 INFO L280 TraceCheckUtils]: 9: Hoare triple {3874#true} SUMMARY for call ~#x~0.base, ~#x~0.offset := #Ultimate.allocOnStack(4); srcloc: L22 {3874#true} is VALID [2020-07-08 22:09:44,129 INFO L280 TraceCheckUtils]: 10: Hoare triple {3874#true} SUMMARY for call write~init~int(0, ~#x~0.base, ~#x~0.offset, 4); srcloc: L22-1 {3874#true} is VALID [2020-07-08 22:09:44,129 INFO L280 TraceCheckUtils]: 11: Hoare triple {3874#true} ~p~0.base, ~p~0.offset := ~#x~0.base, ~#x~0.offset; {3874#true} is VALID [2020-07-08 22:09:44,130 INFO L280 TraceCheckUtils]: 12: Hoare triple {3874#true} SUMMARY for call write~int(10, ~p~0.base, ~p~0.offset, 4); srcloc: L24 {3881#(= 10 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))} is VALID [2020-07-08 22:09:44,130 INFO L263 TraceCheckUtils]: 13: Hoare triple {3881#(= 10 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))} call foo(~p~0.base, ~p~0.offset); {3882#(= 10 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|))} is VALID [2020-07-08 22:09:44,131 INFO L280 TraceCheckUtils]: 14: Hoare triple {3882#(= 10 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|))} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {3883#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:09:44,131 INFO L280 TraceCheckUtils]: 15: Hoare triple {3883#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {3883#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:09:44,132 INFO L280 TraceCheckUtils]: 16: Hoare triple {3883#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} assume #t~mem2 < 20; {3883#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:09:44,132 INFO L280 TraceCheckUtils]: 17: Hoare triple {3883#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} havoc #t~mem2; {3883#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:09:44,133 INFO L263 TraceCheckUtils]: 18: Hoare triple {3883#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} call plus(~p.base, ~p.offset); {3884#(= 10 (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|))} is VALID [2020-07-08 22:09:44,134 INFO L280 TraceCheckUtils]: 19: Hoare triple {3884#(= 10 (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|))} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {3885#(= 10 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} is VALID [2020-07-08 22:09:44,135 INFO L280 TraceCheckUtils]: 20: Hoare triple {3885#(= 10 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} SUMMARY for call #t~mem0 := read~int(~p.base, ~p.offset, 4); srcloc: L5 {3886#(= 10 |plus_#t~mem0|)} is VALID [2020-07-08 22:09:44,135 INFO L280 TraceCheckUtils]: 21: Hoare triple {3886#(= 10 |plus_#t~mem0|)} #t~post1 := #t~mem0; {3887#(= 10 |plus_#t~post1|)} is VALID [2020-07-08 22:09:44,136 INFO L280 TraceCheckUtils]: 22: Hoare triple {3887#(= 10 |plus_#t~post1|)} SUMMARY for call write~int(1 + #t~post1, ~p.base, ~p.offset, 4); srcloc: L5-2 {3888#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} is VALID [2020-07-08 22:09:44,137 INFO L280 TraceCheckUtils]: 23: Hoare triple {3888#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} havoc #t~post1; {3888#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} is VALID [2020-07-08 22:09:44,137 INFO L280 TraceCheckUtils]: 24: Hoare triple {3888#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} havoc #t~mem0; {3888#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} is VALID [2020-07-08 22:09:44,141 INFO L263 TraceCheckUtils]: 25: Hoare triple {3888#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} call foo(~p.base, ~p.offset); {3889#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 11)} is VALID [2020-07-08 22:09:44,141 INFO L280 TraceCheckUtils]: 26: Hoare triple {3889#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 11)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {3890#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} is VALID [2020-07-08 22:09:44,142 INFO L280 TraceCheckUtils]: 27: Hoare triple {3890#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {3890#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} is VALID [2020-07-08 22:09:44,142 INFO L280 TraceCheckUtils]: 28: Hoare triple {3890#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} assume #t~mem2 < 20; {3890#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} is VALID [2020-07-08 22:09:44,142 INFO L280 TraceCheckUtils]: 29: Hoare triple {3890#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} havoc #t~mem2; {3890#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} is VALID [2020-07-08 22:09:44,143 INFO L263 TraceCheckUtils]: 30: Hoare triple {3890#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} call plus(~p.base, ~p.offset); {3891#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 11)} is VALID [2020-07-08 22:09:44,144 INFO L280 TraceCheckUtils]: 31: Hoare triple {3891#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 11)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {3888#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} is VALID [2020-07-08 22:09:44,144 INFO L280 TraceCheckUtils]: 32: Hoare triple {3888#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} SUMMARY for call #t~mem0 := read~int(~p.base, ~p.offset, 4); srcloc: L5 {3892#(<= |plus_#t~mem0| 11)} is VALID [2020-07-08 22:09:44,145 INFO L280 TraceCheckUtils]: 33: Hoare triple {3892#(<= |plus_#t~mem0| 11)} #t~post1 := #t~mem0; {3893#(<= |plus_#t~post1| 11)} is VALID [2020-07-08 22:09:44,145 INFO L280 TraceCheckUtils]: 34: Hoare triple {3893#(<= |plus_#t~post1| 11)} SUMMARY for call write~int(1 + #t~post1, ~p.base, ~p.offset, 4); srcloc: L5-2 {3894#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} is VALID [2020-07-08 22:09:44,146 INFO L280 TraceCheckUtils]: 35: Hoare triple {3894#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} havoc #t~post1; {3894#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} is VALID [2020-07-08 22:09:44,146 INFO L280 TraceCheckUtils]: 36: Hoare triple {3894#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} havoc #t~mem0; {3894#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} is VALID [2020-07-08 22:09:44,147 INFO L263 TraceCheckUtils]: 37: Hoare triple {3894#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} call foo(~p.base, ~p.offset); {3895#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 12)} is VALID [2020-07-08 22:09:44,147 INFO L280 TraceCheckUtils]: 38: Hoare triple {3895#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 12)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {3896#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} is VALID [2020-07-08 22:09:44,148 INFO L280 TraceCheckUtils]: 39: Hoare triple {3896#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {3896#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} is VALID [2020-07-08 22:09:44,148 INFO L280 TraceCheckUtils]: 40: Hoare triple {3896#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} assume #t~mem2 < 20; {3896#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} is VALID [2020-07-08 22:09:44,148 INFO L280 TraceCheckUtils]: 41: Hoare triple {3896#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} havoc #t~mem2; {3896#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} is VALID [2020-07-08 22:09:44,149 INFO L263 TraceCheckUtils]: 42: Hoare triple {3896#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} call plus(~p.base, ~p.offset); {3897#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 12)} is VALID [2020-07-08 22:09:44,150 INFO L280 TraceCheckUtils]: 43: Hoare triple {3897#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 12)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {3894#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} is VALID [2020-07-08 22:09:44,150 INFO L280 TraceCheckUtils]: 44: Hoare triple {3894#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} SUMMARY for call #t~mem0 := read~int(~p.base, ~p.offset, 4); srcloc: L5 {3898#(<= |plus_#t~mem0| 12)} is VALID [2020-07-08 22:09:44,151 INFO L280 TraceCheckUtils]: 45: Hoare triple {3898#(<= |plus_#t~mem0| 12)} #t~post1 := #t~mem0; {3899#(<= |plus_#t~post1| 12)} is VALID [2020-07-08 22:09:44,152 INFO L280 TraceCheckUtils]: 46: Hoare triple {3899#(<= |plus_#t~post1| 12)} SUMMARY for call write~int(1 + #t~post1, ~p.base, ~p.offset, 4); srcloc: L5-2 {3900#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 13)} is VALID [2020-07-08 22:09:44,152 INFO L280 TraceCheckUtils]: 47: Hoare triple {3900#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 13)} havoc #t~post1; {3900#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 13)} is VALID [2020-07-08 22:09:44,153 INFO L280 TraceCheckUtils]: 48: Hoare triple {3900#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 13)} havoc #t~mem0; {3900#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 13)} is VALID [2020-07-08 22:09:44,154 INFO L263 TraceCheckUtils]: 49: Hoare triple {3900#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 13)} call foo(~p.base, ~p.offset); {3901#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 13)} is VALID [2020-07-08 22:09:44,154 INFO L280 TraceCheckUtils]: 50: Hoare triple {3901#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 13)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {3902#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 13)} is VALID [2020-07-08 22:09:44,154 INFO L280 TraceCheckUtils]: 51: Hoare triple {3902#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 13)} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {3902#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 13)} is VALID [2020-07-08 22:09:44,155 INFO L280 TraceCheckUtils]: 52: Hoare triple {3902#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 13)} assume #t~mem2 < 20; {3902#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 13)} is VALID [2020-07-08 22:09:44,155 INFO L280 TraceCheckUtils]: 53: Hoare triple {3902#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 13)} havoc #t~mem2; {3902#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 13)} is VALID [2020-07-08 22:09:44,156 INFO L263 TraceCheckUtils]: 54: Hoare triple {3902#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 13)} call plus(~p.base, ~p.offset); {3903#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 13)} is VALID [2020-07-08 22:09:44,157 INFO L280 TraceCheckUtils]: 55: Hoare triple {3903#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 13)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {3900#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 13)} is VALID [2020-07-08 22:09:44,158 INFO L280 TraceCheckUtils]: 56: Hoare triple {3900#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 13)} SUMMARY for call #t~mem0 := read~int(~p.base, ~p.offset, 4); srcloc: L5 {3904#(<= |plus_#t~mem0| 13)} is VALID [2020-07-08 22:09:44,158 INFO L280 TraceCheckUtils]: 57: Hoare triple {3904#(<= |plus_#t~mem0| 13)} #t~post1 := #t~mem0; {3905#(<= |plus_#t~post1| 13)} is VALID [2020-07-08 22:09:44,159 INFO L280 TraceCheckUtils]: 58: Hoare triple {3905#(<= |plus_#t~post1| 13)} SUMMARY for call write~int(1 + #t~post1, ~p.base, ~p.offset, 4); srcloc: L5-2 {3906#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 14)} is VALID [2020-07-08 22:09:44,159 INFO L280 TraceCheckUtils]: 59: Hoare triple {3906#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 14)} havoc #t~post1; {3906#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 14)} is VALID [2020-07-08 22:09:44,160 INFO L280 TraceCheckUtils]: 60: Hoare triple {3906#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 14)} havoc #t~mem0; {3906#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 14)} is VALID [2020-07-08 22:09:44,160 INFO L263 TraceCheckUtils]: 61: Hoare triple {3906#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 14)} call foo(~p.base, ~p.offset); {3907#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 14)} is VALID [2020-07-08 22:09:44,161 INFO L280 TraceCheckUtils]: 62: Hoare triple {3907#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 14)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {3908#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 14)} is VALID [2020-07-08 22:09:44,161 INFO L280 TraceCheckUtils]: 63: Hoare triple {3908#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 14)} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {3908#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 14)} is VALID [2020-07-08 22:09:44,161 INFO L280 TraceCheckUtils]: 64: Hoare triple {3908#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 14)} assume #t~mem2 < 20; {3908#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 14)} is VALID [2020-07-08 22:09:44,162 INFO L280 TraceCheckUtils]: 65: Hoare triple {3908#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 14)} havoc #t~mem2; {3908#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 14)} is VALID [2020-07-08 22:09:44,174 INFO L263 TraceCheckUtils]: 66: Hoare triple {3908#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 14)} call plus(~p.base, ~p.offset); {3909#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 14)} is VALID [2020-07-08 22:09:44,175 INFO L280 TraceCheckUtils]: 67: Hoare triple {3909#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 14)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {3906#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 14)} is VALID [2020-07-08 22:09:44,176 INFO L280 TraceCheckUtils]: 68: Hoare triple {3906#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 14)} SUMMARY for call #t~mem0 := read~int(~p.base, ~p.offset, 4); srcloc: L5 {3910#(<= |plus_#t~mem0| 14)} is VALID [2020-07-08 22:09:44,176 INFO L280 TraceCheckUtils]: 69: Hoare triple {3910#(<= |plus_#t~mem0| 14)} #t~post1 := #t~mem0; {3911#(<= |plus_#t~post1| 14)} is VALID [2020-07-08 22:09:44,177 INFO L280 TraceCheckUtils]: 70: Hoare triple {3911#(<= |plus_#t~post1| 14)} SUMMARY for call write~int(1 + #t~post1, ~p.base, ~p.offset, 4); srcloc: L5-2 {3912#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 15)} is VALID [2020-07-08 22:09:44,178 INFO L280 TraceCheckUtils]: 71: Hoare triple {3912#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 15)} havoc #t~post1; {3912#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 15)} is VALID [2020-07-08 22:09:44,178 INFO L280 TraceCheckUtils]: 72: Hoare triple {3912#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 15)} havoc #t~mem0; {3912#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 15)} is VALID [2020-07-08 22:09:44,179 INFO L263 TraceCheckUtils]: 73: Hoare triple {3912#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 15)} call foo(~p.base, ~p.offset); {3913#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 15)} is VALID [2020-07-08 22:09:44,179 INFO L280 TraceCheckUtils]: 74: Hoare triple {3913#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 15)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {3914#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 15)} is VALID [2020-07-08 22:09:44,180 INFO L280 TraceCheckUtils]: 75: Hoare triple {3914#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 15)} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {3914#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 15)} is VALID [2020-07-08 22:09:44,180 INFO L280 TraceCheckUtils]: 76: Hoare triple {3914#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 15)} assume #t~mem2 < 20; {3914#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 15)} is VALID [2020-07-08 22:09:44,181 INFO L280 TraceCheckUtils]: 77: Hoare triple {3914#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 15)} havoc #t~mem2; {3914#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 15)} is VALID [2020-07-08 22:09:44,182 INFO L263 TraceCheckUtils]: 78: Hoare triple {3914#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 15)} call plus(~p.base, ~p.offset); {3915#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 15)} is VALID [2020-07-08 22:09:44,182 INFO L280 TraceCheckUtils]: 79: Hoare triple {3915#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 15)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {3912#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 15)} is VALID [2020-07-08 22:09:44,183 INFO L280 TraceCheckUtils]: 80: Hoare triple {3912#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 15)} SUMMARY for call #t~mem0 := read~int(~p.base, ~p.offset, 4); srcloc: L5 {3916#(<= |plus_#t~mem0| 15)} is VALID [2020-07-08 22:09:44,183 INFO L280 TraceCheckUtils]: 81: Hoare triple {3916#(<= |plus_#t~mem0| 15)} #t~post1 := #t~mem0; {3917#(<= |plus_#t~post1| 15)} is VALID [2020-07-08 22:09:44,184 INFO L280 TraceCheckUtils]: 82: Hoare triple {3917#(<= |plus_#t~post1| 15)} SUMMARY for call write~int(1 + #t~post1, ~p.base, ~p.offset, 4); srcloc: L5-2 {3918#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 16)} is VALID [2020-07-08 22:09:44,185 INFO L280 TraceCheckUtils]: 83: Hoare triple {3918#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 16)} havoc #t~post1; {3918#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 16)} is VALID [2020-07-08 22:09:44,185 INFO L280 TraceCheckUtils]: 84: Hoare triple {3918#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 16)} havoc #t~mem0; {3918#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 16)} is VALID [2020-07-08 22:09:44,186 INFO L263 TraceCheckUtils]: 85: Hoare triple {3918#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 16)} call foo(~p.base, ~p.offset); {3919#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 16)} is VALID [2020-07-08 22:09:44,186 INFO L280 TraceCheckUtils]: 86: Hoare triple {3919#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 16)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {3920#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 16)} is VALID [2020-07-08 22:09:44,187 INFO L280 TraceCheckUtils]: 87: Hoare triple {3920#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 16)} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {3920#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 16)} is VALID [2020-07-08 22:09:44,187 INFO L280 TraceCheckUtils]: 88: Hoare triple {3920#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 16)} assume #t~mem2 < 20; {3920#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 16)} is VALID [2020-07-08 22:09:44,188 INFO L280 TraceCheckUtils]: 89: Hoare triple {3920#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 16)} havoc #t~mem2; {3920#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 16)} is VALID [2020-07-08 22:09:44,188 INFO L263 TraceCheckUtils]: 90: Hoare triple {3920#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 16)} call plus(~p.base, ~p.offset); {3921#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 16)} is VALID [2020-07-08 22:09:44,189 INFO L280 TraceCheckUtils]: 91: Hoare triple {3921#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 16)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {3918#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 16)} is VALID [2020-07-08 22:09:44,190 INFO L280 TraceCheckUtils]: 92: Hoare triple {3918#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 16)} SUMMARY for call #t~mem0 := read~int(~p.base, ~p.offset, 4); srcloc: L5 {3922#(<= |plus_#t~mem0| 16)} is VALID [2020-07-08 22:09:44,191 INFO L280 TraceCheckUtils]: 93: Hoare triple {3922#(<= |plus_#t~mem0| 16)} #t~post1 := #t~mem0; {3923#(<= |plus_#t~post1| 16)} is VALID [2020-07-08 22:09:44,192 INFO L280 TraceCheckUtils]: 94: Hoare triple {3923#(<= |plus_#t~post1| 16)} SUMMARY for call write~int(1 + #t~post1, ~p.base, ~p.offset, 4); srcloc: L5-2 {3924#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 17)} is VALID [2020-07-08 22:09:44,192 INFO L280 TraceCheckUtils]: 95: Hoare triple {3924#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 17)} havoc #t~post1; {3924#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 17)} is VALID [2020-07-08 22:09:44,193 INFO L280 TraceCheckUtils]: 96: Hoare triple {3924#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 17)} havoc #t~mem0; {3924#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 17)} is VALID [2020-07-08 22:09:44,194 INFO L263 TraceCheckUtils]: 97: Hoare triple {3924#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 17)} call foo(~p.base, ~p.offset); {3925#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 17)} is VALID [2020-07-08 22:09:44,195 INFO L280 TraceCheckUtils]: 98: Hoare triple {3925#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 17)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {3926#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 17)} is VALID [2020-07-08 22:09:44,195 INFO L280 TraceCheckUtils]: 99: Hoare triple {3926#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 17)} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {3927#(<= |foo_#t~mem2| 17)} is VALID [2020-07-08 22:09:44,196 INFO L280 TraceCheckUtils]: 100: Hoare triple {3927#(<= |foo_#t~mem2| 17)} assume !(#t~mem2 < 20); {3875#false} is VALID [2020-07-08 22:09:44,196 INFO L280 TraceCheckUtils]: 101: Hoare triple {3875#false} havoc #t~mem2; {3875#false} is VALID [2020-07-08 22:09:44,196 INFO L280 TraceCheckUtils]: 102: Hoare triple {3875#false} SUMMARY for call #t~mem3 := read~int(~p.base, ~p.offset, 4); srcloc: L12 {3875#false} is VALID [2020-07-08 22:09:44,196 INFO L280 TraceCheckUtils]: 103: Hoare triple {3875#false} assume !(20 == #t~mem3); {3875#false} is VALID [2020-07-08 22:09:44,196 INFO L280 TraceCheckUtils]: 104: Hoare triple {3875#false} havoc #t~mem3; {3875#false} is VALID [2020-07-08 22:09:44,196 INFO L280 TraceCheckUtils]: 105: Hoare triple {3875#false} assume !false; {3875#false} is VALID [2020-07-08 22:09:44,210 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 273 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 22:09:44,210 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [486507922] [2020-07-08 22:09:44,210 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-08 22:09:44,211 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50] total 50 [2020-07-08 22:09:44,211 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631729106] [2020-07-08 22:09:44,211 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 106 [2020-07-08 22:09:44,211 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:09:44,212 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 50 states. [2020-07-08 22:09:44,334 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 106 edges. 106 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:09:44,335 INFO L459 AbstractCegarLoop]: Interpolant automaton has 50 states [2020-07-08 22:09:44,335 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:09:44,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2020-07-08 22:09:44,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=244, Invalid=2206, Unknown=0, NotChecked=0, Total=2450 [2020-07-08 22:09:44,337 INFO L87 Difference]: Start difference. First operand 107 states and 107 transitions. Second operand 50 states. [2020-07-08 22:09:50,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:09:50,263 INFO L93 Difference]: Finished difference Result 127 states and 127 transitions. [2020-07-08 22:09:50,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2020-07-08 22:09:50,263 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 106 [2020-07-08 22:09:50,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:09:50,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-07-08 22:09:50,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 127 transitions. [2020-07-08 22:09:50,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-07-08 22:09:50,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 127 transitions. [2020-07-08 22:09:50,277 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 71 states and 127 transitions. [2020-07-08 22:09:50,516 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 127 edges. 127 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:09:50,520 INFO L225 Difference]: With dead ends: 127 [2020-07-08 22:09:50,520 INFO L226 Difference]: Without dead ends: 121 [2020-07-08 22:09:50,528 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3111 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=1897, Invalid=11675, Unknown=0, NotChecked=0, Total=13572 [2020-07-08 22:09:50,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-07-08 22:09:50,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 119. [2020-07-08 22:09:50,966 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:09:50,966 INFO L82 GeneralOperation]: Start isEquivalent. First operand 121 states. Second operand 119 states. [2020-07-08 22:09:50,966 INFO L74 IsIncluded]: Start isIncluded. First operand 121 states. Second operand 119 states. [2020-07-08 22:09:50,966 INFO L87 Difference]: Start difference. First operand 121 states. Second operand 119 states. [2020-07-08 22:09:50,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:09:50,973 INFO L93 Difference]: Finished difference Result 121 states and 121 transitions. [2020-07-08 22:09:50,973 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 121 transitions. [2020-07-08 22:09:50,974 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:09:50,974 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:09:50,974 INFO L74 IsIncluded]: Start isIncluded. First operand 119 states. Second operand 121 states. [2020-07-08 22:09:50,974 INFO L87 Difference]: Start difference. First operand 119 states. Second operand 121 states. [2020-07-08 22:09:50,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:09:50,978 INFO L93 Difference]: Finished difference Result 121 states and 121 transitions. [2020-07-08 22:09:50,979 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 121 transitions. [2020-07-08 22:09:50,979 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:09:50,979 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:09:50,979 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:09:50,979 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:09:50,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-07-08 22:09:50,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 119 transitions. [2020-07-08 22:09:50,984 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 119 transitions. Word has length 106 [2020-07-08 22:09:50,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:09:50,984 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 119 transitions. [2020-07-08 22:09:50,984 INFO L480 AbstractCegarLoop]: Interpolant automaton has 50 states. [2020-07-08 22:09:50,985 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 119 states and 119 transitions. [2020-07-08 22:09:51,177 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 119 edges. 119 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:09:51,178 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 119 transitions. [2020-07-08 22:09:51,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-07-08 22:09:51,179 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:09:51,180 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 22:09:51,180 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-08 22:09:51,180 INFO L427 AbstractCegarLoop]: === Iteration 9 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:09:51,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:09:51,181 INFO L82 PathProgramCache]: Analyzing trace with hash -1856567232, now seen corresponding path program 8 times [2020-07-08 22:09:51,181 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:09:51,181 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1693335145] [2020-07-08 22:09:51,181 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:09:51,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:52,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:52,817 INFO L280 TraceCheckUtils]: 0: Hoare triple {4859#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {4799#true} is VALID [2020-07-08 22:09:52,817 INFO L280 TraceCheckUtils]: 1: Hoare triple {4799#true} #valid := #valid[0 := 0]; {4799#true} is VALID [2020-07-08 22:09:52,818 INFO L280 TraceCheckUtils]: 2: Hoare triple {4799#true} assume 0 < #StackHeapBarrier; {4799#true} is VALID [2020-07-08 22:09:52,818 INFO L280 TraceCheckUtils]: 3: Hoare triple {4799#true} assume true; {4799#true} is VALID [2020-07-08 22:09:52,818 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4799#true} {4799#true} #50#return; {4799#true} is VALID [2020-07-08 22:09:52,818 INFO L263 TraceCheckUtils]: 0: Hoare triple {4799#true} call ULTIMATE.init(); {4859#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 22:09:52,819 INFO L280 TraceCheckUtils]: 1: Hoare triple {4859#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {4799#true} is VALID [2020-07-08 22:09:52,819 INFO L280 TraceCheckUtils]: 2: Hoare triple {4799#true} #valid := #valid[0 := 0]; {4799#true} is VALID [2020-07-08 22:09:52,819 INFO L280 TraceCheckUtils]: 3: Hoare triple {4799#true} assume 0 < #StackHeapBarrier; {4799#true} is VALID [2020-07-08 22:09:52,819 INFO L280 TraceCheckUtils]: 4: Hoare triple {4799#true} assume true; {4799#true} is VALID [2020-07-08 22:09:52,819 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {4799#true} {4799#true} #50#return; {4799#true} is VALID [2020-07-08 22:09:52,819 INFO L263 TraceCheckUtils]: 6: Hoare triple {4799#true} call #t~ret4 := main(#in~argc, #in~argv.base, #in~argv.offset); {4799#true} is VALID [2020-07-08 22:09:52,819 INFO L280 TraceCheckUtils]: 7: Hoare triple {4799#true} ~argc := #in~argc; {4799#true} is VALID [2020-07-08 22:09:52,820 INFO L280 TraceCheckUtils]: 8: Hoare triple {4799#true} ~argv.base, ~argv.offset := #in~argv.base, #in~argv.offset; {4799#true} is VALID [2020-07-08 22:09:52,820 INFO L280 TraceCheckUtils]: 9: Hoare triple {4799#true} SUMMARY for call ~#x~0.base, ~#x~0.offset := #Ultimate.allocOnStack(4); srcloc: L22 {4799#true} is VALID [2020-07-08 22:09:52,820 INFO L280 TraceCheckUtils]: 10: Hoare triple {4799#true} SUMMARY for call write~init~int(0, ~#x~0.base, ~#x~0.offset, 4); srcloc: L22-1 {4799#true} is VALID [2020-07-08 22:09:52,820 INFO L280 TraceCheckUtils]: 11: Hoare triple {4799#true} ~p~0.base, ~p~0.offset := ~#x~0.base, ~#x~0.offset; {4799#true} is VALID [2020-07-08 22:09:52,821 INFO L280 TraceCheckUtils]: 12: Hoare triple {4799#true} SUMMARY for call write~int(10, ~p~0.base, ~p~0.offset, 4); srcloc: L24 {4806#(= 10 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))} is VALID [2020-07-08 22:09:52,821 INFO L263 TraceCheckUtils]: 13: Hoare triple {4806#(= 10 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))} call foo(~p~0.base, ~p~0.offset); {4807#(= 10 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|))} is VALID [2020-07-08 22:09:52,822 INFO L280 TraceCheckUtils]: 14: Hoare triple {4807#(= 10 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|))} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {4808#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:09:52,822 INFO L280 TraceCheckUtils]: 15: Hoare triple {4808#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {4808#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:09:52,823 INFO L280 TraceCheckUtils]: 16: Hoare triple {4808#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} assume #t~mem2 < 20; {4808#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:09:52,823 INFO L280 TraceCheckUtils]: 17: Hoare triple {4808#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} havoc #t~mem2; {4808#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:09:52,824 INFO L263 TraceCheckUtils]: 18: Hoare triple {4808#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} call plus(~p.base, ~p.offset); {4809#(= 10 (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|))} is VALID [2020-07-08 22:09:52,825 INFO L280 TraceCheckUtils]: 19: Hoare triple {4809#(= 10 (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|))} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {4810#(= 10 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} is VALID [2020-07-08 22:09:52,825 INFO L280 TraceCheckUtils]: 20: Hoare triple {4810#(= 10 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} SUMMARY for call #t~mem0 := read~int(~p.base, ~p.offset, 4); srcloc: L5 {4811#(= 10 |plus_#t~mem0|)} is VALID [2020-07-08 22:09:52,826 INFO L280 TraceCheckUtils]: 21: Hoare triple {4811#(= 10 |plus_#t~mem0|)} #t~post1 := #t~mem0; {4812#(= 10 |plus_#t~post1|)} is VALID [2020-07-08 22:09:52,827 INFO L280 TraceCheckUtils]: 22: Hoare triple {4812#(= 10 |plus_#t~post1|)} SUMMARY for call write~int(1 + #t~post1, ~p.base, ~p.offset, 4); srcloc: L5-2 {4813#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} is VALID [2020-07-08 22:09:52,828 INFO L280 TraceCheckUtils]: 23: Hoare triple {4813#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} havoc #t~post1; {4813#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} is VALID [2020-07-08 22:09:52,829 INFO L280 TraceCheckUtils]: 24: Hoare triple {4813#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} havoc #t~mem0; {4813#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} is VALID [2020-07-08 22:09:52,830 INFO L263 TraceCheckUtils]: 25: Hoare triple {4813#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} call foo(~p.base, ~p.offset); {4814#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 11)} is VALID [2020-07-08 22:09:52,830 INFO L280 TraceCheckUtils]: 26: Hoare triple {4814#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 11)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {4815#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} is VALID [2020-07-08 22:09:52,831 INFO L280 TraceCheckUtils]: 27: Hoare triple {4815#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {4815#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} is VALID [2020-07-08 22:09:52,831 INFO L280 TraceCheckUtils]: 28: Hoare triple {4815#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} assume #t~mem2 < 20; {4815#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} is VALID [2020-07-08 22:09:52,831 INFO L280 TraceCheckUtils]: 29: Hoare triple {4815#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} havoc #t~mem2; {4815#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} is VALID [2020-07-08 22:09:52,832 INFO L263 TraceCheckUtils]: 30: Hoare triple {4815#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} call plus(~p.base, ~p.offset); {4816#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 11)} is VALID [2020-07-08 22:09:52,833 INFO L280 TraceCheckUtils]: 31: Hoare triple {4816#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 11)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {4813#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} is VALID [2020-07-08 22:09:52,834 INFO L280 TraceCheckUtils]: 32: Hoare triple {4813#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} SUMMARY for call #t~mem0 := read~int(~p.base, ~p.offset, 4); srcloc: L5 {4817#(<= |plus_#t~mem0| 11)} is VALID [2020-07-08 22:09:52,834 INFO L280 TraceCheckUtils]: 33: Hoare triple {4817#(<= |plus_#t~mem0| 11)} #t~post1 := #t~mem0; {4818#(<= |plus_#t~post1| 11)} is VALID [2020-07-08 22:09:52,835 INFO L280 TraceCheckUtils]: 34: Hoare triple {4818#(<= |plus_#t~post1| 11)} SUMMARY for call write~int(1 + #t~post1, ~p.base, ~p.offset, 4); srcloc: L5-2 {4819#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} is VALID [2020-07-08 22:09:52,836 INFO L280 TraceCheckUtils]: 35: Hoare triple {4819#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} havoc #t~post1; {4819#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} is VALID [2020-07-08 22:09:52,836 INFO L280 TraceCheckUtils]: 36: Hoare triple {4819#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} havoc #t~mem0; {4819#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} is VALID [2020-07-08 22:09:52,837 INFO L263 TraceCheckUtils]: 37: Hoare triple {4819#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} call foo(~p.base, ~p.offset); {4820#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 12)} is VALID [2020-07-08 22:09:52,837 INFO L280 TraceCheckUtils]: 38: Hoare triple {4820#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 12)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {4821#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} is VALID [2020-07-08 22:09:52,838 INFO L280 TraceCheckUtils]: 39: Hoare triple {4821#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {4821#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} is VALID [2020-07-08 22:09:52,838 INFO L280 TraceCheckUtils]: 40: Hoare triple {4821#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} assume #t~mem2 < 20; {4821#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} is VALID [2020-07-08 22:09:52,838 INFO L280 TraceCheckUtils]: 41: Hoare triple {4821#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} havoc #t~mem2; {4821#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} is VALID [2020-07-08 22:09:52,839 INFO L263 TraceCheckUtils]: 42: Hoare triple {4821#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} call plus(~p.base, ~p.offset); {4822#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 12)} is VALID [2020-07-08 22:09:52,840 INFO L280 TraceCheckUtils]: 43: Hoare triple {4822#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 12)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {4819#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} is VALID [2020-07-08 22:09:52,841 INFO L280 TraceCheckUtils]: 44: Hoare triple {4819#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} SUMMARY for call #t~mem0 := read~int(~p.base, ~p.offset, 4); srcloc: L5 {4823#(<= |plus_#t~mem0| 12)} is VALID [2020-07-08 22:09:52,842 INFO L280 TraceCheckUtils]: 45: Hoare triple {4823#(<= |plus_#t~mem0| 12)} #t~post1 := #t~mem0; {4824#(<= |plus_#t~post1| 12)} is VALID [2020-07-08 22:09:52,843 INFO L280 TraceCheckUtils]: 46: Hoare triple {4824#(<= |plus_#t~post1| 12)} SUMMARY for call write~int(1 + #t~post1, ~p.base, ~p.offset, 4); srcloc: L5-2 {4825#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 13)} is VALID [2020-07-08 22:09:52,843 INFO L280 TraceCheckUtils]: 47: Hoare triple {4825#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 13)} havoc #t~post1; {4825#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 13)} is VALID [2020-07-08 22:09:52,843 INFO L280 TraceCheckUtils]: 48: Hoare triple {4825#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 13)} havoc #t~mem0; {4825#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 13)} is VALID [2020-07-08 22:09:52,844 INFO L263 TraceCheckUtils]: 49: Hoare triple {4825#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 13)} call foo(~p.base, ~p.offset); {4826#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 13)} is VALID [2020-07-08 22:09:52,845 INFO L280 TraceCheckUtils]: 50: Hoare triple {4826#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 13)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {4827#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 13)} is VALID [2020-07-08 22:09:52,845 INFO L280 TraceCheckUtils]: 51: Hoare triple {4827#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 13)} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {4827#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 13)} is VALID [2020-07-08 22:09:52,845 INFO L280 TraceCheckUtils]: 52: Hoare triple {4827#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 13)} assume #t~mem2 < 20; {4827#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 13)} is VALID [2020-07-08 22:09:52,846 INFO L280 TraceCheckUtils]: 53: Hoare triple {4827#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 13)} havoc #t~mem2; {4827#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 13)} is VALID [2020-07-08 22:09:52,846 INFO L263 TraceCheckUtils]: 54: Hoare triple {4827#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 13)} call plus(~p.base, ~p.offset); {4828#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 13)} is VALID [2020-07-08 22:09:52,847 INFO L280 TraceCheckUtils]: 55: Hoare triple {4828#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 13)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {4825#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 13)} is VALID [2020-07-08 22:09:52,847 INFO L280 TraceCheckUtils]: 56: Hoare triple {4825#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 13)} SUMMARY for call #t~mem0 := read~int(~p.base, ~p.offset, 4); srcloc: L5 {4829#(<= |plus_#t~mem0| 13)} is VALID [2020-07-08 22:09:52,848 INFO L280 TraceCheckUtils]: 57: Hoare triple {4829#(<= |plus_#t~mem0| 13)} #t~post1 := #t~mem0; {4830#(<= |plus_#t~post1| 13)} is VALID [2020-07-08 22:09:52,849 INFO L280 TraceCheckUtils]: 58: Hoare triple {4830#(<= |plus_#t~post1| 13)} SUMMARY for call write~int(1 + #t~post1, ~p.base, ~p.offset, 4); srcloc: L5-2 {4831#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 14)} is VALID [2020-07-08 22:09:52,849 INFO L280 TraceCheckUtils]: 59: Hoare triple {4831#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 14)} havoc #t~post1; {4831#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 14)} is VALID [2020-07-08 22:09:52,850 INFO L280 TraceCheckUtils]: 60: Hoare triple {4831#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 14)} havoc #t~mem0; {4831#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 14)} is VALID [2020-07-08 22:09:52,851 INFO L263 TraceCheckUtils]: 61: Hoare triple {4831#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 14)} call foo(~p.base, ~p.offset); {4832#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 14)} is VALID [2020-07-08 22:09:52,851 INFO L280 TraceCheckUtils]: 62: Hoare triple {4832#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 14)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {4833#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 14)} is VALID [2020-07-08 22:09:52,852 INFO L280 TraceCheckUtils]: 63: Hoare triple {4833#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 14)} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {4833#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 14)} is VALID [2020-07-08 22:09:52,852 INFO L280 TraceCheckUtils]: 64: Hoare triple {4833#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 14)} assume #t~mem2 < 20; {4833#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 14)} is VALID [2020-07-08 22:09:52,853 INFO L280 TraceCheckUtils]: 65: Hoare triple {4833#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 14)} havoc #t~mem2; {4833#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 14)} is VALID [2020-07-08 22:09:52,853 INFO L263 TraceCheckUtils]: 66: Hoare triple {4833#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 14)} call plus(~p.base, ~p.offset); {4834#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 14)} is VALID [2020-07-08 22:09:52,854 INFO L280 TraceCheckUtils]: 67: Hoare triple {4834#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 14)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {4831#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 14)} is VALID [2020-07-08 22:09:52,854 INFO L280 TraceCheckUtils]: 68: Hoare triple {4831#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 14)} SUMMARY for call #t~mem0 := read~int(~p.base, ~p.offset, 4); srcloc: L5 {4835#(<= |plus_#t~mem0| 14)} is VALID [2020-07-08 22:09:52,855 INFO L280 TraceCheckUtils]: 69: Hoare triple {4835#(<= |plus_#t~mem0| 14)} #t~post1 := #t~mem0; {4836#(<= |plus_#t~post1| 14)} is VALID [2020-07-08 22:09:52,856 INFO L280 TraceCheckUtils]: 70: Hoare triple {4836#(<= |plus_#t~post1| 14)} SUMMARY for call write~int(1 + #t~post1, ~p.base, ~p.offset, 4); srcloc: L5-2 {4837#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 15)} is VALID [2020-07-08 22:09:52,856 INFO L280 TraceCheckUtils]: 71: Hoare triple {4837#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 15)} havoc #t~post1; {4837#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 15)} is VALID [2020-07-08 22:09:52,857 INFO L280 TraceCheckUtils]: 72: Hoare triple {4837#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 15)} havoc #t~mem0; {4837#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 15)} is VALID [2020-07-08 22:09:52,858 INFO L263 TraceCheckUtils]: 73: Hoare triple {4837#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 15)} call foo(~p.base, ~p.offset); {4838#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 15)} is VALID [2020-07-08 22:09:52,858 INFO L280 TraceCheckUtils]: 74: Hoare triple {4838#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 15)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {4839#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 15)} is VALID [2020-07-08 22:09:52,859 INFO L280 TraceCheckUtils]: 75: Hoare triple {4839#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 15)} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {4839#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 15)} is VALID [2020-07-08 22:09:52,859 INFO L280 TraceCheckUtils]: 76: Hoare triple {4839#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 15)} assume #t~mem2 < 20; {4839#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 15)} is VALID [2020-07-08 22:09:52,860 INFO L280 TraceCheckUtils]: 77: Hoare triple {4839#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 15)} havoc #t~mem2; {4839#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 15)} is VALID [2020-07-08 22:09:52,861 INFO L263 TraceCheckUtils]: 78: Hoare triple {4839#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 15)} call plus(~p.base, ~p.offset); {4840#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 15)} is VALID [2020-07-08 22:09:52,861 INFO L280 TraceCheckUtils]: 79: Hoare triple {4840#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 15)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {4837#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 15)} is VALID [2020-07-08 22:09:52,862 INFO L280 TraceCheckUtils]: 80: Hoare triple {4837#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 15)} SUMMARY for call #t~mem0 := read~int(~p.base, ~p.offset, 4); srcloc: L5 {4841#(<= |plus_#t~mem0| 15)} is VALID [2020-07-08 22:09:52,862 INFO L280 TraceCheckUtils]: 81: Hoare triple {4841#(<= |plus_#t~mem0| 15)} #t~post1 := #t~mem0; {4842#(<= |plus_#t~post1| 15)} is VALID [2020-07-08 22:09:52,863 INFO L280 TraceCheckUtils]: 82: Hoare triple {4842#(<= |plus_#t~post1| 15)} SUMMARY for call write~int(1 + #t~post1, ~p.base, ~p.offset, 4); srcloc: L5-2 {4843#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 16)} is VALID [2020-07-08 22:09:52,863 INFO L280 TraceCheckUtils]: 83: Hoare triple {4843#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 16)} havoc #t~post1; {4843#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 16)} is VALID [2020-07-08 22:09:52,864 INFO L280 TraceCheckUtils]: 84: Hoare triple {4843#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 16)} havoc #t~mem0; {4843#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 16)} is VALID [2020-07-08 22:09:52,865 INFO L263 TraceCheckUtils]: 85: Hoare triple {4843#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 16)} call foo(~p.base, ~p.offset); {4844#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 16)} is VALID [2020-07-08 22:09:52,866 INFO L280 TraceCheckUtils]: 86: Hoare triple {4844#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 16)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {4845#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 16)} is VALID [2020-07-08 22:09:52,866 INFO L280 TraceCheckUtils]: 87: Hoare triple {4845#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 16)} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {4845#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 16)} is VALID [2020-07-08 22:09:52,867 INFO L280 TraceCheckUtils]: 88: Hoare triple {4845#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 16)} assume #t~mem2 < 20; {4845#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 16)} is VALID [2020-07-08 22:09:52,868 INFO L280 TraceCheckUtils]: 89: Hoare triple {4845#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 16)} havoc #t~mem2; {4845#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 16)} is VALID [2020-07-08 22:09:52,868 INFO L263 TraceCheckUtils]: 90: Hoare triple {4845#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 16)} call plus(~p.base, ~p.offset); {4846#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 16)} is VALID [2020-07-08 22:09:52,869 INFO L280 TraceCheckUtils]: 91: Hoare triple {4846#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 16)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {4843#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 16)} is VALID [2020-07-08 22:09:52,869 INFO L280 TraceCheckUtils]: 92: Hoare triple {4843#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 16)} SUMMARY for call #t~mem0 := read~int(~p.base, ~p.offset, 4); srcloc: L5 {4847#(<= |plus_#t~mem0| 16)} is VALID [2020-07-08 22:09:52,870 INFO L280 TraceCheckUtils]: 93: Hoare triple {4847#(<= |plus_#t~mem0| 16)} #t~post1 := #t~mem0; {4848#(<= |plus_#t~post1| 16)} is VALID [2020-07-08 22:09:52,871 INFO L280 TraceCheckUtils]: 94: Hoare triple {4848#(<= |plus_#t~post1| 16)} SUMMARY for call write~int(1 + #t~post1, ~p.base, ~p.offset, 4); srcloc: L5-2 {4849#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 17)} is VALID [2020-07-08 22:09:52,872 INFO L280 TraceCheckUtils]: 95: Hoare triple {4849#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 17)} havoc #t~post1; {4849#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 17)} is VALID [2020-07-08 22:09:52,872 INFO L280 TraceCheckUtils]: 96: Hoare triple {4849#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 17)} havoc #t~mem0; {4849#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 17)} is VALID [2020-07-08 22:09:52,873 INFO L263 TraceCheckUtils]: 97: Hoare triple {4849#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 17)} call foo(~p.base, ~p.offset); {4850#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 17)} is VALID [2020-07-08 22:09:52,873 INFO L280 TraceCheckUtils]: 98: Hoare triple {4850#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 17)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {4851#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 17)} is VALID [2020-07-08 22:09:52,874 INFO L280 TraceCheckUtils]: 99: Hoare triple {4851#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 17)} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {4851#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 17)} is VALID [2020-07-08 22:09:52,874 INFO L280 TraceCheckUtils]: 100: Hoare triple {4851#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 17)} assume #t~mem2 < 20; {4851#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 17)} is VALID [2020-07-08 22:09:52,875 INFO L280 TraceCheckUtils]: 101: Hoare triple {4851#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 17)} havoc #t~mem2; {4851#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 17)} is VALID [2020-07-08 22:09:52,876 INFO L263 TraceCheckUtils]: 102: Hoare triple {4851#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 17)} call plus(~p.base, ~p.offset); {4852#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 17)} is VALID [2020-07-08 22:09:52,877 INFO L280 TraceCheckUtils]: 103: Hoare triple {4852#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 17)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {4849#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 17)} is VALID [2020-07-08 22:09:52,877 INFO L280 TraceCheckUtils]: 104: Hoare triple {4849#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 17)} SUMMARY for call #t~mem0 := read~int(~p.base, ~p.offset, 4); srcloc: L5 {4853#(<= |plus_#t~mem0| 17)} is VALID [2020-07-08 22:09:52,878 INFO L280 TraceCheckUtils]: 105: Hoare triple {4853#(<= |plus_#t~mem0| 17)} #t~post1 := #t~mem0; {4854#(<= |plus_#t~post1| 17)} is VALID [2020-07-08 22:09:52,879 INFO L280 TraceCheckUtils]: 106: Hoare triple {4854#(<= |plus_#t~post1| 17)} SUMMARY for call write~int(1 + #t~post1, ~p.base, ~p.offset, 4); srcloc: L5-2 {4855#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 18)} is VALID [2020-07-08 22:09:52,879 INFO L280 TraceCheckUtils]: 107: Hoare triple {4855#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 18)} havoc #t~post1; {4855#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 18)} is VALID [2020-07-08 22:09:52,879 INFO L280 TraceCheckUtils]: 108: Hoare triple {4855#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 18)} havoc #t~mem0; {4855#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 18)} is VALID [2020-07-08 22:09:52,880 INFO L263 TraceCheckUtils]: 109: Hoare triple {4855#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 18)} call foo(~p.base, ~p.offset); {4856#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 18)} is VALID [2020-07-08 22:09:52,881 INFO L280 TraceCheckUtils]: 110: Hoare triple {4856#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 18)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {4857#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 18)} is VALID [2020-07-08 22:09:52,881 INFO L280 TraceCheckUtils]: 111: Hoare triple {4857#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 18)} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {4858#(<= |foo_#t~mem2| 18)} is VALID [2020-07-08 22:09:52,882 INFO L280 TraceCheckUtils]: 112: Hoare triple {4858#(<= |foo_#t~mem2| 18)} assume !(#t~mem2 < 20); {4800#false} is VALID [2020-07-08 22:09:52,882 INFO L280 TraceCheckUtils]: 113: Hoare triple {4800#false} havoc #t~mem2; {4800#false} is VALID [2020-07-08 22:09:52,882 INFO L280 TraceCheckUtils]: 114: Hoare triple {4800#false} SUMMARY for call #t~mem3 := read~int(~p.base, ~p.offset, 4); srcloc: L12 {4800#false} is VALID [2020-07-08 22:09:52,882 INFO L280 TraceCheckUtils]: 115: Hoare triple {4800#false} assume !(20 == #t~mem3); {4800#false} is VALID [2020-07-08 22:09:52,882 INFO L280 TraceCheckUtils]: 116: Hoare triple {4800#false} havoc #t~mem3; {4800#false} is VALID [2020-07-08 22:09:52,882 INFO L280 TraceCheckUtils]: 117: Hoare triple {4800#false} assume !false; {4800#false} is VALID [2020-07-08 22:09:52,901 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 22:09:52,901 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1693335145] [2020-07-08 22:09:52,901 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-08 22:09:52,901 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56] total 56 [2020-07-08 22:09:52,902 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615022580] [2020-07-08 22:09:52,902 INFO L78 Accepts]: Start accepts. Automaton has 56 states. Word has length 118 [2020-07-08 22:09:52,903 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:09:52,903 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 56 states. [2020-07-08 22:09:53,049 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 118 edges. 118 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:09:53,049 INFO L459 AbstractCegarLoop]: Interpolant automaton has 56 states [2020-07-08 22:09:53,050 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:09:53,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2020-07-08 22:09:53,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=301, Invalid=2779, Unknown=0, NotChecked=0, Total=3080 [2020-07-08 22:09:53,052 INFO L87 Difference]: Start difference. First operand 119 states and 119 transitions. Second operand 56 states. [2020-07-08 22:10:01,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:10:01,263 INFO L93 Difference]: Finished difference Result 139 states and 139 transitions. [2020-07-08 22:10:01,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2020-07-08 22:10:01,263 INFO L78 Accepts]: Start accepts. Automaton has 56 states. Word has length 118 [2020-07-08 22:10:01,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:10:01,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-07-08 22:10:01,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 139 transitions. [2020-07-08 22:10:01,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-07-08 22:10:01,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 139 transitions. [2020-07-08 22:10:01,272 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 80 states and 139 transitions. [2020-07-08 22:10:01,502 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 139 edges. 139 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:10:01,506 INFO L225 Difference]: With dead ends: 139 [2020-07-08 22:10:01,506 INFO L226 Difference]: Without dead ends: 133 [2020-07-08 22:10:01,512 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4036 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=2391, Invalid=14901, Unknown=0, NotChecked=0, Total=17292 [2020-07-08 22:10:01,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-07-08 22:10:01,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 131. [2020-07-08 22:10:01,944 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:10:01,944 INFO L82 GeneralOperation]: Start isEquivalent. First operand 133 states. Second operand 131 states. [2020-07-08 22:10:01,945 INFO L74 IsIncluded]: Start isIncluded. First operand 133 states. Second operand 131 states. [2020-07-08 22:10:01,945 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 131 states. [2020-07-08 22:10:01,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:10:01,950 INFO L93 Difference]: Finished difference Result 133 states and 133 transitions. [2020-07-08 22:10:01,951 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 133 transitions. [2020-07-08 22:10:01,951 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:10:01,951 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:10:01,951 INFO L74 IsIncluded]: Start isIncluded. First operand 131 states. Second operand 133 states. [2020-07-08 22:10:01,951 INFO L87 Difference]: Start difference. First operand 131 states. Second operand 133 states. [2020-07-08 22:10:01,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:10:01,955 INFO L93 Difference]: Finished difference Result 133 states and 133 transitions. [2020-07-08 22:10:01,955 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 133 transitions. [2020-07-08 22:10:01,955 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:10:01,955 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:10:01,956 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:10:01,956 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:10:01,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-07-08 22:10:01,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 131 transitions. [2020-07-08 22:10:01,959 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 131 transitions. Word has length 118 [2020-07-08 22:10:01,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:10:01,959 INFO L479 AbstractCegarLoop]: Abstraction has 131 states and 131 transitions. [2020-07-08 22:10:01,960 INFO L480 AbstractCegarLoop]: Interpolant automaton has 56 states. [2020-07-08 22:10:01,960 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 131 states and 131 transitions. [2020-07-08 22:10:02,179 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 131 edges. 131 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:10:02,180 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 131 transitions. [2020-07-08 22:10:02,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-07-08 22:10:02,182 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:10:02,183 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 22:10:02,183 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-08 22:10:02,183 INFO L427 AbstractCegarLoop]: === Iteration 10 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:10:02,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:10:02,184 INFO L82 PathProgramCache]: Analyzing trace with hash -151316249, now seen corresponding path program 9 times [2020-07-08 22:10:02,184 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:10:02,185 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [521836116] [2020-07-08 22:10:02,185 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:10:02,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:10:04,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:10:04,351 INFO L280 TraceCheckUtils]: 0: Hoare triple {5886#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {5820#true} is VALID [2020-07-08 22:10:04,351 INFO L280 TraceCheckUtils]: 1: Hoare triple {5820#true} #valid := #valid[0 := 0]; {5820#true} is VALID [2020-07-08 22:10:04,351 INFO L280 TraceCheckUtils]: 2: Hoare triple {5820#true} assume 0 < #StackHeapBarrier; {5820#true} is VALID [2020-07-08 22:10:04,351 INFO L280 TraceCheckUtils]: 3: Hoare triple {5820#true} assume true; {5820#true} is VALID [2020-07-08 22:10:04,352 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {5820#true} {5820#true} #50#return; {5820#true} is VALID [2020-07-08 22:10:04,353 INFO L263 TraceCheckUtils]: 0: Hoare triple {5820#true} call ULTIMATE.init(); {5886#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 22:10:04,353 INFO L280 TraceCheckUtils]: 1: Hoare triple {5886#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {5820#true} is VALID [2020-07-08 22:10:04,353 INFO L280 TraceCheckUtils]: 2: Hoare triple {5820#true} #valid := #valid[0 := 0]; {5820#true} is VALID [2020-07-08 22:10:04,353 INFO L280 TraceCheckUtils]: 3: Hoare triple {5820#true} assume 0 < #StackHeapBarrier; {5820#true} is VALID [2020-07-08 22:10:04,353 INFO L280 TraceCheckUtils]: 4: Hoare triple {5820#true} assume true; {5820#true} is VALID [2020-07-08 22:10:04,353 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {5820#true} {5820#true} #50#return; {5820#true} is VALID [2020-07-08 22:10:04,353 INFO L263 TraceCheckUtils]: 6: Hoare triple {5820#true} call #t~ret4 := main(#in~argc, #in~argv.base, #in~argv.offset); {5820#true} is VALID [2020-07-08 22:10:04,354 INFO L280 TraceCheckUtils]: 7: Hoare triple {5820#true} ~argc := #in~argc; {5820#true} is VALID [2020-07-08 22:10:04,354 INFO L280 TraceCheckUtils]: 8: Hoare triple {5820#true} ~argv.base, ~argv.offset := #in~argv.base, #in~argv.offset; {5820#true} is VALID [2020-07-08 22:10:04,354 INFO L280 TraceCheckUtils]: 9: Hoare triple {5820#true} SUMMARY for call ~#x~0.base, ~#x~0.offset := #Ultimate.allocOnStack(4); srcloc: L22 {5820#true} is VALID [2020-07-08 22:10:04,354 INFO L280 TraceCheckUtils]: 10: Hoare triple {5820#true} SUMMARY for call write~init~int(0, ~#x~0.base, ~#x~0.offset, 4); srcloc: L22-1 {5820#true} is VALID [2020-07-08 22:10:04,354 INFO L280 TraceCheckUtils]: 11: Hoare triple {5820#true} ~p~0.base, ~p~0.offset := ~#x~0.base, ~#x~0.offset; {5820#true} is VALID [2020-07-08 22:10:04,359 INFO L280 TraceCheckUtils]: 12: Hoare triple {5820#true} SUMMARY for call write~int(10, ~p~0.base, ~p~0.offset, 4); srcloc: L24 {5827#(= 10 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))} is VALID [2020-07-08 22:10:04,360 INFO L263 TraceCheckUtils]: 13: Hoare triple {5827#(= 10 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))} call foo(~p~0.base, ~p~0.offset); {5828#(= 10 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|))} is VALID [2020-07-08 22:10:04,360 INFO L280 TraceCheckUtils]: 14: Hoare triple {5828#(= 10 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|))} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {5829#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:10:04,361 INFO L280 TraceCheckUtils]: 15: Hoare triple {5829#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {5829#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:10:04,361 INFO L280 TraceCheckUtils]: 16: Hoare triple {5829#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} assume #t~mem2 < 20; {5829#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:10:04,362 INFO L280 TraceCheckUtils]: 17: Hoare triple {5829#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} havoc #t~mem2; {5829#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:10:04,363 INFO L263 TraceCheckUtils]: 18: Hoare triple {5829#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} call plus(~p.base, ~p.offset); {5830#(= 10 (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|))} is VALID [2020-07-08 22:10:04,364 INFO L280 TraceCheckUtils]: 19: Hoare triple {5830#(= 10 (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|))} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {5831#(= 10 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} is VALID [2020-07-08 22:10:04,364 INFO L280 TraceCheckUtils]: 20: Hoare triple {5831#(= 10 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} SUMMARY for call #t~mem0 := read~int(~p.base, ~p.offset, 4); srcloc: L5 {5832#(= 10 |plus_#t~mem0|)} is VALID [2020-07-08 22:10:04,365 INFO L280 TraceCheckUtils]: 21: Hoare triple {5832#(= 10 |plus_#t~mem0|)} #t~post1 := #t~mem0; {5833#(= 10 |plus_#t~post1|)} is VALID [2020-07-08 22:10:04,365 INFO L280 TraceCheckUtils]: 22: Hoare triple {5833#(= 10 |plus_#t~post1|)} SUMMARY for call write~int(1 + #t~post1, ~p.base, ~p.offset, 4); srcloc: L5-2 {5834#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} is VALID [2020-07-08 22:10:04,366 INFO L280 TraceCheckUtils]: 23: Hoare triple {5834#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} havoc #t~post1; {5834#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} is VALID [2020-07-08 22:10:04,366 INFO L280 TraceCheckUtils]: 24: Hoare triple {5834#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} havoc #t~mem0; {5834#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} is VALID [2020-07-08 22:10:04,367 INFO L263 TraceCheckUtils]: 25: Hoare triple {5834#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} call foo(~p.base, ~p.offset); {5835#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 11)} is VALID [2020-07-08 22:10:04,368 INFO L280 TraceCheckUtils]: 26: Hoare triple {5835#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 11)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {5836#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} is VALID [2020-07-08 22:10:04,368 INFO L280 TraceCheckUtils]: 27: Hoare triple {5836#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {5836#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} is VALID [2020-07-08 22:10:04,368 INFO L280 TraceCheckUtils]: 28: Hoare triple {5836#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} assume #t~mem2 < 20; {5836#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} is VALID [2020-07-08 22:10:04,369 INFO L280 TraceCheckUtils]: 29: Hoare triple {5836#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} havoc #t~mem2; {5836#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} is VALID [2020-07-08 22:10:04,370 INFO L263 TraceCheckUtils]: 30: Hoare triple {5836#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 11)} call plus(~p.base, ~p.offset); {5837#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 11)} is VALID [2020-07-08 22:10:04,372 INFO L280 TraceCheckUtils]: 31: Hoare triple {5837#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 11)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {5834#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} is VALID [2020-07-08 22:10:04,373 INFO L280 TraceCheckUtils]: 32: Hoare triple {5834#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 11)} SUMMARY for call #t~mem0 := read~int(~p.base, ~p.offset, 4); srcloc: L5 {5838#(<= |plus_#t~mem0| 11)} is VALID [2020-07-08 22:10:04,373 INFO L280 TraceCheckUtils]: 33: Hoare triple {5838#(<= |plus_#t~mem0| 11)} #t~post1 := #t~mem0; {5839#(<= |plus_#t~post1| 11)} is VALID [2020-07-08 22:10:04,375 INFO L280 TraceCheckUtils]: 34: Hoare triple {5839#(<= |plus_#t~post1| 11)} SUMMARY for call write~int(1 + #t~post1, ~p.base, ~p.offset, 4); srcloc: L5-2 {5840#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} is VALID [2020-07-08 22:10:04,375 INFO L280 TraceCheckUtils]: 35: Hoare triple {5840#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} havoc #t~post1; {5840#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} is VALID [2020-07-08 22:10:04,375 INFO L280 TraceCheckUtils]: 36: Hoare triple {5840#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} havoc #t~mem0; {5840#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} is VALID [2020-07-08 22:10:04,376 INFO L263 TraceCheckUtils]: 37: Hoare triple {5840#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} call foo(~p.base, ~p.offset); {5841#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 12)} is VALID [2020-07-08 22:10:04,377 INFO L280 TraceCheckUtils]: 38: Hoare triple {5841#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 12)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {5842#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} is VALID [2020-07-08 22:10:04,377 INFO L280 TraceCheckUtils]: 39: Hoare triple {5842#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {5842#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} is VALID [2020-07-08 22:10:04,377 INFO L280 TraceCheckUtils]: 40: Hoare triple {5842#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} assume #t~mem2 < 20; {5842#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} is VALID [2020-07-08 22:10:04,378 INFO L280 TraceCheckUtils]: 41: Hoare triple {5842#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} havoc #t~mem2; {5842#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} is VALID [2020-07-08 22:10:04,379 INFO L263 TraceCheckUtils]: 42: Hoare triple {5842#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 12)} call plus(~p.base, ~p.offset); {5843#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 12)} is VALID [2020-07-08 22:10:04,379 INFO L280 TraceCheckUtils]: 43: Hoare triple {5843#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 12)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {5840#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} is VALID [2020-07-08 22:10:04,380 INFO L280 TraceCheckUtils]: 44: Hoare triple {5840#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 12)} SUMMARY for call #t~mem0 := read~int(~p.base, ~p.offset, 4); srcloc: L5 {5844#(<= |plus_#t~mem0| 12)} is VALID [2020-07-08 22:10:04,380 INFO L280 TraceCheckUtils]: 45: Hoare triple {5844#(<= |plus_#t~mem0| 12)} #t~post1 := #t~mem0; {5845#(<= |plus_#t~post1| 12)} is VALID [2020-07-08 22:10:04,381 INFO L280 TraceCheckUtils]: 46: Hoare triple {5845#(<= |plus_#t~post1| 12)} SUMMARY for call write~int(1 + #t~post1, ~p.base, ~p.offset, 4); srcloc: L5-2 {5846#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 13)} is VALID [2020-07-08 22:10:04,382 INFO L280 TraceCheckUtils]: 47: Hoare triple {5846#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 13)} havoc #t~post1; {5846#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 13)} is VALID [2020-07-08 22:10:04,382 INFO L280 TraceCheckUtils]: 48: Hoare triple {5846#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 13)} havoc #t~mem0; {5846#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 13)} is VALID [2020-07-08 22:10:04,385 INFO L263 TraceCheckUtils]: 49: Hoare triple {5846#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 13)} call foo(~p.base, ~p.offset); {5847#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 13)} is VALID [2020-07-08 22:10:04,387 INFO L280 TraceCheckUtils]: 50: Hoare triple {5847#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 13)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {5848#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 13)} is VALID [2020-07-08 22:10:04,388 INFO L280 TraceCheckUtils]: 51: Hoare triple {5848#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 13)} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {5848#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 13)} is VALID [2020-07-08 22:10:04,389 INFO L280 TraceCheckUtils]: 52: Hoare triple {5848#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 13)} assume #t~mem2 < 20; {5848#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 13)} is VALID [2020-07-08 22:10:04,390 INFO L280 TraceCheckUtils]: 53: Hoare triple {5848#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 13)} havoc #t~mem2; {5848#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 13)} is VALID [2020-07-08 22:10:04,392 INFO L263 TraceCheckUtils]: 54: Hoare triple {5848#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 13)} call plus(~p.base, ~p.offset); {5849#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 13)} is VALID [2020-07-08 22:10:04,394 INFO L280 TraceCheckUtils]: 55: Hoare triple {5849#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 13)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {5846#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 13)} is VALID [2020-07-08 22:10:04,395 INFO L280 TraceCheckUtils]: 56: Hoare triple {5846#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 13)} SUMMARY for call #t~mem0 := read~int(~p.base, ~p.offset, 4); srcloc: L5 {5850#(<= |plus_#t~mem0| 13)} is VALID [2020-07-08 22:10:04,396 INFO L280 TraceCheckUtils]: 57: Hoare triple {5850#(<= |plus_#t~mem0| 13)} #t~post1 := #t~mem0; {5851#(<= |plus_#t~post1| 13)} is VALID [2020-07-08 22:10:04,397 INFO L280 TraceCheckUtils]: 58: Hoare triple {5851#(<= |plus_#t~post1| 13)} SUMMARY for call write~int(1 + #t~post1, ~p.base, ~p.offset, 4); srcloc: L5-2 {5852#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 14)} is VALID [2020-07-08 22:10:04,399 INFO L280 TraceCheckUtils]: 59: Hoare triple {5852#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 14)} havoc #t~post1; {5852#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 14)} is VALID [2020-07-08 22:10:04,399 INFO L280 TraceCheckUtils]: 60: Hoare triple {5852#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 14)} havoc #t~mem0; {5852#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 14)} is VALID [2020-07-08 22:10:04,400 INFO L263 TraceCheckUtils]: 61: Hoare triple {5852#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 14)} call foo(~p.base, ~p.offset); {5853#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 14)} is VALID [2020-07-08 22:10:04,401 INFO L280 TraceCheckUtils]: 62: Hoare triple {5853#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 14)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {5854#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 14)} is VALID [2020-07-08 22:10:04,402 INFO L280 TraceCheckUtils]: 63: Hoare triple {5854#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 14)} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {5854#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 14)} is VALID [2020-07-08 22:10:04,404 INFO L280 TraceCheckUtils]: 64: Hoare triple {5854#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 14)} assume #t~mem2 < 20; {5854#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 14)} is VALID [2020-07-08 22:10:04,405 INFO L280 TraceCheckUtils]: 65: Hoare triple {5854#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 14)} havoc #t~mem2; {5854#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 14)} is VALID [2020-07-08 22:10:04,406 INFO L263 TraceCheckUtils]: 66: Hoare triple {5854#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 14)} call plus(~p.base, ~p.offset); {5855#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 14)} is VALID [2020-07-08 22:10:04,407 INFO L280 TraceCheckUtils]: 67: Hoare triple {5855#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 14)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {5852#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 14)} is VALID [2020-07-08 22:10:04,408 INFO L280 TraceCheckUtils]: 68: Hoare triple {5852#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 14)} SUMMARY for call #t~mem0 := read~int(~p.base, ~p.offset, 4); srcloc: L5 {5856#(<= |plus_#t~mem0| 14)} is VALID [2020-07-08 22:10:04,408 INFO L280 TraceCheckUtils]: 69: Hoare triple {5856#(<= |plus_#t~mem0| 14)} #t~post1 := #t~mem0; {5857#(<= |plus_#t~post1| 14)} is VALID [2020-07-08 22:10:04,409 INFO L280 TraceCheckUtils]: 70: Hoare triple {5857#(<= |plus_#t~post1| 14)} SUMMARY for call write~int(1 + #t~post1, ~p.base, ~p.offset, 4); srcloc: L5-2 {5858#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 15)} is VALID [2020-07-08 22:10:04,409 INFO L280 TraceCheckUtils]: 71: Hoare triple {5858#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 15)} havoc #t~post1; {5858#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 15)} is VALID [2020-07-08 22:10:04,410 INFO L280 TraceCheckUtils]: 72: Hoare triple {5858#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 15)} havoc #t~mem0; {5858#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 15)} is VALID [2020-07-08 22:10:04,412 INFO L263 TraceCheckUtils]: 73: Hoare triple {5858#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 15)} call foo(~p.base, ~p.offset); {5859#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 15)} is VALID [2020-07-08 22:10:04,412 INFO L280 TraceCheckUtils]: 74: Hoare triple {5859#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 15)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {5860#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 15)} is VALID [2020-07-08 22:10:04,413 INFO L280 TraceCheckUtils]: 75: Hoare triple {5860#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 15)} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {5860#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 15)} is VALID [2020-07-08 22:10:04,413 INFO L280 TraceCheckUtils]: 76: Hoare triple {5860#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 15)} assume #t~mem2 < 20; {5860#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 15)} is VALID [2020-07-08 22:10:04,414 INFO L280 TraceCheckUtils]: 77: Hoare triple {5860#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 15)} havoc #t~mem2; {5860#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 15)} is VALID [2020-07-08 22:10:04,414 INFO L263 TraceCheckUtils]: 78: Hoare triple {5860#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 15)} call plus(~p.base, ~p.offset); {5861#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 15)} is VALID [2020-07-08 22:10:04,415 INFO L280 TraceCheckUtils]: 79: Hoare triple {5861#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 15)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {5858#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 15)} is VALID [2020-07-08 22:10:04,415 INFO L280 TraceCheckUtils]: 80: Hoare triple {5858#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 15)} SUMMARY for call #t~mem0 := read~int(~p.base, ~p.offset, 4); srcloc: L5 {5862#(<= |plus_#t~mem0| 15)} is VALID [2020-07-08 22:10:04,416 INFO L280 TraceCheckUtils]: 81: Hoare triple {5862#(<= |plus_#t~mem0| 15)} #t~post1 := #t~mem0; {5863#(<= |plus_#t~post1| 15)} is VALID [2020-07-08 22:10:04,417 INFO L280 TraceCheckUtils]: 82: Hoare triple {5863#(<= |plus_#t~post1| 15)} SUMMARY for call write~int(1 + #t~post1, ~p.base, ~p.offset, 4); srcloc: L5-2 {5864#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 16)} is VALID [2020-07-08 22:10:04,417 INFO L280 TraceCheckUtils]: 83: Hoare triple {5864#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 16)} havoc #t~post1; {5864#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 16)} is VALID [2020-07-08 22:10:04,417 INFO L280 TraceCheckUtils]: 84: Hoare triple {5864#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 16)} havoc #t~mem0; {5864#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 16)} is VALID [2020-07-08 22:10:04,419 INFO L263 TraceCheckUtils]: 85: Hoare triple {5864#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 16)} call foo(~p.base, ~p.offset); {5865#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 16)} is VALID [2020-07-08 22:10:04,419 INFO L280 TraceCheckUtils]: 86: Hoare triple {5865#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 16)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {5866#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 16)} is VALID [2020-07-08 22:10:04,420 INFO L280 TraceCheckUtils]: 87: Hoare triple {5866#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 16)} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {5866#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 16)} is VALID [2020-07-08 22:10:04,420 INFO L280 TraceCheckUtils]: 88: Hoare triple {5866#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 16)} assume #t~mem2 < 20; {5866#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 16)} is VALID [2020-07-08 22:10:04,420 INFO L280 TraceCheckUtils]: 89: Hoare triple {5866#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 16)} havoc #t~mem2; {5866#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 16)} is VALID [2020-07-08 22:10:04,421 INFO L263 TraceCheckUtils]: 90: Hoare triple {5866#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 16)} call plus(~p.base, ~p.offset); {5867#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 16)} is VALID [2020-07-08 22:10:04,422 INFO L280 TraceCheckUtils]: 91: Hoare triple {5867#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 16)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {5864#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 16)} is VALID [2020-07-08 22:10:04,423 INFO L280 TraceCheckUtils]: 92: Hoare triple {5864#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 16)} SUMMARY for call #t~mem0 := read~int(~p.base, ~p.offset, 4); srcloc: L5 {5868#(<= |plus_#t~mem0| 16)} is VALID [2020-07-08 22:10:04,423 INFO L280 TraceCheckUtils]: 93: Hoare triple {5868#(<= |plus_#t~mem0| 16)} #t~post1 := #t~mem0; {5869#(<= |plus_#t~post1| 16)} is VALID [2020-07-08 22:10:04,424 INFO L280 TraceCheckUtils]: 94: Hoare triple {5869#(<= |plus_#t~post1| 16)} SUMMARY for call write~int(1 + #t~post1, ~p.base, ~p.offset, 4); srcloc: L5-2 {5870#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 17)} is VALID [2020-07-08 22:10:04,425 INFO L280 TraceCheckUtils]: 95: Hoare triple {5870#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 17)} havoc #t~post1; {5870#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 17)} is VALID [2020-07-08 22:10:04,425 INFO L280 TraceCheckUtils]: 96: Hoare triple {5870#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 17)} havoc #t~mem0; {5870#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 17)} is VALID [2020-07-08 22:10:04,426 INFO L263 TraceCheckUtils]: 97: Hoare triple {5870#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 17)} call foo(~p.base, ~p.offset); {5871#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 17)} is VALID [2020-07-08 22:10:04,426 INFO L280 TraceCheckUtils]: 98: Hoare triple {5871#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 17)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {5872#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 17)} is VALID [2020-07-08 22:10:04,427 INFO L280 TraceCheckUtils]: 99: Hoare triple {5872#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 17)} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {5872#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 17)} is VALID [2020-07-08 22:10:04,427 INFO L280 TraceCheckUtils]: 100: Hoare triple {5872#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 17)} assume #t~mem2 < 20; {5872#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 17)} is VALID [2020-07-08 22:10:04,428 INFO L280 TraceCheckUtils]: 101: Hoare triple {5872#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 17)} havoc #t~mem2; {5872#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 17)} is VALID [2020-07-08 22:10:04,429 INFO L263 TraceCheckUtils]: 102: Hoare triple {5872#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 17)} call plus(~p.base, ~p.offset); {5873#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 17)} is VALID [2020-07-08 22:10:04,430 INFO L280 TraceCheckUtils]: 103: Hoare triple {5873#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 17)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {5870#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 17)} is VALID [2020-07-08 22:10:04,430 INFO L280 TraceCheckUtils]: 104: Hoare triple {5870#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 17)} SUMMARY for call #t~mem0 := read~int(~p.base, ~p.offset, 4); srcloc: L5 {5874#(<= |plus_#t~mem0| 17)} is VALID [2020-07-08 22:10:04,436 INFO L280 TraceCheckUtils]: 105: Hoare triple {5874#(<= |plus_#t~mem0| 17)} #t~post1 := #t~mem0; {5875#(<= |plus_#t~post1| 17)} is VALID [2020-07-08 22:10:04,437 INFO L280 TraceCheckUtils]: 106: Hoare triple {5875#(<= |plus_#t~post1| 17)} SUMMARY for call write~int(1 + #t~post1, ~p.base, ~p.offset, 4); srcloc: L5-2 {5876#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 18)} is VALID [2020-07-08 22:10:04,438 INFO L280 TraceCheckUtils]: 107: Hoare triple {5876#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 18)} havoc #t~post1; {5876#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 18)} is VALID [2020-07-08 22:10:04,438 INFO L280 TraceCheckUtils]: 108: Hoare triple {5876#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 18)} havoc #t~mem0; {5876#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 18)} is VALID [2020-07-08 22:10:04,441 INFO L263 TraceCheckUtils]: 109: Hoare triple {5876#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 18)} call foo(~p.base, ~p.offset); {5877#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 18)} is VALID [2020-07-08 22:10:04,441 INFO L280 TraceCheckUtils]: 110: Hoare triple {5877#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 18)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {5878#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 18)} is VALID [2020-07-08 22:10:04,442 INFO L280 TraceCheckUtils]: 111: Hoare triple {5878#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 18)} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {5878#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 18)} is VALID [2020-07-08 22:10:04,443 INFO L280 TraceCheckUtils]: 112: Hoare triple {5878#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 18)} assume #t~mem2 < 20; {5878#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 18)} is VALID [2020-07-08 22:10:04,443 INFO L280 TraceCheckUtils]: 113: Hoare triple {5878#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 18)} havoc #t~mem2; {5878#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 18)} is VALID [2020-07-08 22:10:04,444 INFO L263 TraceCheckUtils]: 114: Hoare triple {5878#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 18)} call plus(~p.base, ~p.offset); {5879#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 18)} is VALID [2020-07-08 22:10:04,445 INFO L280 TraceCheckUtils]: 115: Hoare triple {5879#(<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 18)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {5876#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 18)} is VALID [2020-07-08 22:10:04,446 INFO L280 TraceCheckUtils]: 116: Hoare triple {5876#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 18)} SUMMARY for call #t~mem0 := read~int(~p.base, ~p.offset, 4); srcloc: L5 {5880#(<= |plus_#t~mem0| 18)} is VALID [2020-07-08 22:10:04,446 INFO L280 TraceCheckUtils]: 117: Hoare triple {5880#(<= |plus_#t~mem0| 18)} #t~post1 := #t~mem0; {5881#(<= |plus_#t~post1| 18)} is VALID [2020-07-08 22:10:04,453 INFO L280 TraceCheckUtils]: 118: Hoare triple {5881#(<= |plus_#t~post1| 18)} SUMMARY for call write~int(1 + #t~post1, ~p.base, ~p.offset, 4); srcloc: L5-2 {5882#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 19)} is VALID [2020-07-08 22:10:04,454 INFO L280 TraceCheckUtils]: 119: Hoare triple {5882#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 19)} havoc #t~post1; {5882#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 19)} is VALID [2020-07-08 22:10:04,455 INFO L280 TraceCheckUtils]: 120: Hoare triple {5882#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 19)} havoc #t~mem0; {5882#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 19)} is VALID [2020-07-08 22:10:04,456 INFO L263 TraceCheckUtils]: 121: Hoare triple {5882#(<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 19)} call foo(~p.base, ~p.offset); {5883#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 19)} is VALID [2020-07-08 22:10:04,457 INFO L280 TraceCheckUtils]: 122: Hoare triple {5883#(<= (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|) 19)} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {5884#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 19)} is VALID [2020-07-08 22:10:04,457 INFO L280 TraceCheckUtils]: 123: Hoare triple {5884#(<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 19)} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {5885#(<= |foo_#t~mem2| 19)} is VALID [2020-07-08 22:10:04,458 INFO L280 TraceCheckUtils]: 124: Hoare triple {5885#(<= |foo_#t~mem2| 19)} assume !(#t~mem2 < 20); {5821#false} is VALID [2020-07-08 22:10:04,458 INFO L280 TraceCheckUtils]: 125: Hoare triple {5821#false} havoc #t~mem2; {5821#false} is VALID [2020-07-08 22:10:04,458 INFO L280 TraceCheckUtils]: 126: Hoare triple {5821#false} SUMMARY for call #t~mem3 := read~int(~p.base, ~p.offset, 4); srcloc: L12 {5821#false} is VALID [2020-07-08 22:10:04,459 INFO L280 TraceCheckUtils]: 127: Hoare triple {5821#false} assume !(20 == #t~mem3); {5821#false} is VALID [2020-07-08 22:10:04,459 INFO L280 TraceCheckUtils]: 128: Hoare triple {5821#false} havoc #t~mem3; {5821#false} is VALID [2020-07-08 22:10:04,459 INFO L280 TraceCheckUtils]: 129: Hoare triple {5821#false} assume !false; {5821#false} is VALID [2020-07-08 22:10:04,485 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 0 proven. 459 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 22:10:04,485 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [521836116] [2020-07-08 22:10:04,485 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-08 22:10:04,486 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [62] total 62 [2020-07-08 22:10:04,486 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146509623] [2020-07-08 22:10:04,488 INFO L78 Accepts]: Start accepts. Automaton has 62 states. Word has length 130 [2020-07-08 22:10:04,488 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:10:04,489 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 62 states. [2020-07-08 22:10:04,656 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 130 edges. 130 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:10:04,657 INFO L459 AbstractCegarLoop]: Interpolant automaton has 62 states [2020-07-08 22:10:04,657 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:10:04,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2020-07-08 22:10:04,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=364, Invalid=3418, Unknown=0, NotChecked=0, Total=3782 [2020-07-08 22:10:04,658 INFO L87 Difference]: Start difference. First operand 131 states and 131 transitions. Second operand 62 states. [2020-07-08 22:10:14,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:10:14,473 INFO L93 Difference]: Finished difference Result 151 states and 151 transitions. [2020-07-08 22:10:14,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2020-07-08 22:10:14,473 INFO L78 Accepts]: Start accepts. Automaton has 62 states. Word has length 130 [2020-07-08 22:10:14,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:10:14,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-07-08 22:10:14,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 151 transitions. [2020-07-08 22:10:14,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-07-08 22:10:14,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 151 transitions. [2020-07-08 22:10:14,481 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 90 states and 151 transitions. [2020-07-08 22:10:14,723 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 151 edges. 151 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:10:14,727 INFO L225 Difference]: With dead ends: 151 [2020-07-08 22:10:14,727 INFO L226 Difference]: Without dead ends: 145 [2020-07-08 22:10:14,730 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5166 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=2956, Invalid=18800, Unknown=0, NotChecked=0, Total=21756 [2020-07-08 22:10:14,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2020-07-08 22:10:15,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 143. [2020-07-08 22:10:15,145 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:10:15,145 INFO L82 GeneralOperation]: Start isEquivalent. First operand 145 states. Second operand 143 states. [2020-07-08 22:10:15,145 INFO L74 IsIncluded]: Start isIncluded. First operand 145 states. Second operand 143 states. [2020-07-08 22:10:15,146 INFO L87 Difference]: Start difference. First operand 145 states. Second operand 143 states. [2020-07-08 22:10:15,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:10:15,149 INFO L93 Difference]: Finished difference Result 145 states and 145 transitions. [2020-07-08 22:10:15,149 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 145 transitions. [2020-07-08 22:10:15,150 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:10:15,150 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:10:15,150 INFO L74 IsIncluded]: Start isIncluded. First operand 143 states. Second operand 145 states. [2020-07-08 22:10:15,150 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 145 states. [2020-07-08 22:10:15,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:10:15,154 INFO L93 Difference]: Finished difference Result 145 states and 145 transitions. [2020-07-08 22:10:15,154 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 145 transitions. [2020-07-08 22:10:15,154 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:10:15,154 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:10:15,154 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:10:15,155 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:10:15,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2020-07-08 22:10:15,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 143 transitions. [2020-07-08 22:10:15,158 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 143 transitions. Word has length 130 [2020-07-08 22:10:15,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:10:15,158 INFO L479 AbstractCegarLoop]: Abstraction has 143 states and 143 transitions. [2020-07-08 22:10:15,159 INFO L480 AbstractCegarLoop]: Interpolant automaton has 62 states. [2020-07-08 22:10:15,159 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 143 states and 143 transitions. [2020-07-08 22:10:15,415 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 143 edges. 143 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:10:15,415 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 143 transitions. [2020-07-08 22:10:15,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-07-08 22:10:15,417 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:10:15,418 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 22:10:15,418 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-08 22:10:15,418 INFO L427 AbstractCegarLoop]: === Iteration 11 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:10:15,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:10:15,419 INFO L82 PathProgramCache]: Analyzing trace with hash -830445810, now seen corresponding path program 10 times [2020-07-08 22:10:15,419 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:10:15,419 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [118081480] [2020-07-08 22:10:15,419 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:10:15,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:10:18,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:10:18,364 INFO L280 TraceCheckUtils]: 0: Hoare triple {7014#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {6939#true} is VALID [2020-07-08 22:10:18,364 INFO L280 TraceCheckUtils]: 1: Hoare triple {6939#true} #valid := #valid[0 := 0]; {6939#true} is VALID [2020-07-08 22:10:18,364 INFO L280 TraceCheckUtils]: 2: Hoare triple {6939#true} assume 0 < #StackHeapBarrier; {6939#true} is VALID [2020-07-08 22:10:18,364 INFO L280 TraceCheckUtils]: 3: Hoare triple {6939#true} assume true; {6939#true} is VALID [2020-07-08 22:10:18,365 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {6939#true} {6939#true} #50#return; {6939#true} is VALID [2020-07-08 22:10:18,366 INFO L263 TraceCheckUtils]: 0: Hoare triple {6939#true} call ULTIMATE.init(); {7014#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 22:10:18,366 INFO L280 TraceCheckUtils]: 1: Hoare triple {7014#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {6939#true} is VALID [2020-07-08 22:10:18,366 INFO L280 TraceCheckUtils]: 2: Hoare triple {6939#true} #valid := #valid[0 := 0]; {6939#true} is VALID [2020-07-08 22:10:18,366 INFO L280 TraceCheckUtils]: 3: Hoare triple {6939#true} assume 0 < #StackHeapBarrier; {6939#true} is VALID [2020-07-08 22:10:18,366 INFO L280 TraceCheckUtils]: 4: Hoare triple {6939#true} assume true; {6939#true} is VALID [2020-07-08 22:10:18,367 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {6939#true} {6939#true} #50#return; {6939#true} is VALID [2020-07-08 22:10:18,367 INFO L263 TraceCheckUtils]: 6: Hoare triple {6939#true} call #t~ret4 := main(#in~argc, #in~argv.base, #in~argv.offset); {6939#true} is VALID [2020-07-08 22:10:18,367 INFO L280 TraceCheckUtils]: 7: Hoare triple {6939#true} ~argc := #in~argc; {6939#true} is VALID [2020-07-08 22:10:18,367 INFO L280 TraceCheckUtils]: 8: Hoare triple {6939#true} ~argv.base, ~argv.offset := #in~argv.base, #in~argv.offset; {6939#true} is VALID [2020-07-08 22:10:18,367 INFO L280 TraceCheckUtils]: 9: Hoare triple {6939#true} SUMMARY for call ~#x~0.base, ~#x~0.offset := #Ultimate.allocOnStack(4); srcloc: L22 {6939#true} is VALID [2020-07-08 22:10:18,368 INFO L280 TraceCheckUtils]: 10: Hoare triple {6939#true} SUMMARY for call write~init~int(0, ~#x~0.base, ~#x~0.offset, 4); srcloc: L22-1 {6939#true} is VALID [2020-07-08 22:10:18,368 INFO L280 TraceCheckUtils]: 11: Hoare triple {6939#true} ~p~0.base, ~p~0.offset := ~#x~0.base, ~#x~0.offset; {6939#true} is VALID [2020-07-08 22:10:18,369 INFO L280 TraceCheckUtils]: 12: Hoare triple {6939#true} SUMMARY for call write~int(10, ~p~0.base, ~p~0.offset, 4); srcloc: L24 {6946#(= 10 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))} is VALID [2020-07-08 22:10:18,370 INFO L263 TraceCheckUtils]: 13: Hoare triple {6946#(= 10 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))} call foo(~p~0.base, ~p~0.offset); {6947#(= 10 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|))} is VALID [2020-07-08 22:10:18,371 INFO L280 TraceCheckUtils]: 14: Hoare triple {6947#(= 10 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|))} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {6948#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:10:18,371 INFO L280 TraceCheckUtils]: 15: Hoare triple {6948#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {6948#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:10:18,372 INFO L280 TraceCheckUtils]: 16: Hoare triple {6948#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} assume #t~mem2 < 20; {6948#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:10:18,372 INFO L280 TraceCheckUtils]: 17: Hoare triple {6948#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} havoc #t~mem2; {6948#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:10:18,373 INFO L263 TraceCheckUtils]: 18: Hoare triple {6948#(= 10 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} call plus(~p.base, ~p.offset); {6949#(= 10 (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|))} is VALID [2020-07-08 22:10:18,374 INFO L280 TraceCheckUtils]: 19: Hoare triple {6949#(= 10 (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|))} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {6950#(= 10 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} is VALID [2020-07-08 22:10:18,375 INFO L280 TraceCheckUtils]: 20: Hoare triple {6950#(= 10 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} SUMMARY for call #t~mem0 := read~int(~p.base, ~p.offset, 4); srcloc: L5 {6951#(= 10 |plus_#t~mem0|)} is VALID [2020-07-08 22:10:18,375 INFO L280 TraceCheckUtils]: 21: Hoare triple {6951#(= 10 |plus_#t~mem0|)} #t~post1 := #t~mem0; {6952#(= 10 |plus_#t~post1|)} is VALID [2020-07-08 22:10:18,376 INFO L280 TraceCheckUtils]: 22: Hoare triple {6952#(= 10 |plus_#t~post1|)} SUMMARY for call write~int(1 + #t~post1, ~p.base, ~p.offset, 4); srcloc: L5-2 {6953#(<= 11 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} is VALID [2020-07-08 22:10:18,377 INFO L280 TraceCheckUtils]: 23: Hoare triple {6953#(<= 11 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} havoc #t~post1; {6953#(<= 11 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} is VALID [2020-07-08 22:10:18,378 INFO L280 TraceCheckUtils]: 24: Hoare triple {6953#(<= 11 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} havoc #t~mem0; {6953#(<= 11 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} is VALID [2020-07-08 22:10:18,379 INFO L263 TraceCheckUtils]: 25: Hoare triple {6953#(<= 11 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} call foo(~p.base, ~p.offset); {6954#(<= 11 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|))} is VALID [2020-07-08 22:10:18,379 INFO L280 TraceCheckUtils]: 26: Hoare triple {6954#(<= 11 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|))} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {6955#(<= 11 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:10:18,380 INFO L280 TraceCheckUtils]: 27: Hoare triple {6955#(<= 11 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {6955#(<= 11 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:10:18,381 INFO L280 TraceCheckUtils]: 28: Hoare triple {6955#(<= 11 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} assume #t~mem2 < 20; {6955#(<= 11 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:10:18,381 INFO L280 TraceCheckUtils]: 29: Hoare triple {6955#(<= 11 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} havoc #t~mem2; {6955#(<= 11 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:10:18,382 INFO L263 TraceCheckUtils]: 30: Hoare triple {6955#(<= 11 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} call plus(~p.base, ~p.offset); {6956#(<= 11 (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|))} is VALID [2020-07-08 22:10:18,383 INFO L280 TraceCheckUtils]: 31: Hoare triple {6956#(<= 11 (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|))} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {6953#(<= 11 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} is VALID [2020-07-08 22:10:18,383 INFO L280 TraceCheckUtils]: 32: Hoare triple {6953#(<= 11 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} SUMMARY for call #t~mem0 := read~int(~p.base, ~p.offset, 4); srcloc: L5 {6957#(<= 11 |plus_#t~mem0|)} is VALID [2020-07-08 22:10:18,384 INFO L280 TraceCheckUtils]: 33: Hoare triple {6957#(<= 11 |plus_#t~mem0|)} #t~post1 := #t~mem0; {6958#(<= 11 |plus_#t~post1|)} is VALID [2020-07-08 22:10:18,385 INFO L280 TraceCheckUtils]: 34: Hoare triple {6958#(<= 11 |plus_#t~post1|)} SUMMARY for call write~int(1 + #t~post1, ~p.base, ~p.offset, 4); srcloc: L5-2 {6959#(<= 12 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} is VALID [2020-07-08 22:10:18,385 INFO L280 TraceCheckUtils]: 35: Hoare triple {6959#(<= 12 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} havoc #t~post1; {6959#(<= 12 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} is VALID [2020-07-08 22:10:18,385 INFO L280 TraceCheckUtils]: 36: Hoare triple {6959#(<= 12 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} havoc #t~mem0; {6959#(<= 12 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} is VALID [2020-07-08 22:10:18,386 INFO L263 TraceCheckUtils]: 37: Hoare triple {6959#(<= 12 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} call foo(~p.base, ~p.offset); {6960#(<= 12 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|))} is VALID [2020-07-08 22:10:18,387 INFO L280 TraceCheckUtils]: 38: Hoare triple {6960#(<= 12 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|))} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {6961#(<= 12 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:10:18,387 INFO L280 TraceCheckUtils]: 39: Hoare triple {6961#(<= 12 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {6961#(<= 12 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:10:18,387 INFO L280 TraceCheckUtils]: 40: Hoare triple {6961#(<= 12 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} assume #t~mem2 < 20; {6961#(<= 12 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:10:18,388 INFO L280 TraceCheckUtils]: 41: Hoare triple {6961#(<= 12 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} havoc #t~mem2; {6961#(<= 12 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:10:18,389 INFO L263 TraceCheckUtils]: 42: Hoare triple {6961#(<= 12 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} call plus(~p.base, ~p.offset); {6962#(<= 12 (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|))} is VALID [2020-07-08 22:10:18,389 INFO L280 TraceCheckUtils]: 43: Hoare triple {6962#(<= 12 (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|))} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {6959#(<= 12 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} is VALID [2020-07-08 22:10:18,390 INFO L280 TraceCheckUtils]: 44: Hoare triple {6959#(<= 12 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} SUMMARY for call #t~mem0 := read~int(~p.base, ~p.offset, 4); srcloc: L5 {6963#(<= 12 |plus_#t~mem0|)} is VALID [2020-07-08 22:10:18,390 INFO L280 TraceCheckUtils]: 45: Hoare triple {6963#(<= 12 |plus_#t~mem0|)} #t~post1 := #t~mem0; {6964#(<= 12 |plus_#t~post1|)} is VALID [2020-07-08 22:10:18,391 INFO L280 TraceCheckUtils]: 46: Hoare triple {6964#(<= 12 |plus_#t~post1|)} SUMMARY for call write~int(1 + #t~post1, ~p.base, ~p.offset, 4); srcloc: L5-2 {6965#(<= 13 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} is VALID [2020-07-08 22:10:18,392 INFO L280 TraceCheckUtils]: 47: Hoare triple {6965#(<= 13 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} havoc #t~post1; {6965#(<= 13 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} is VALID [2020-07-08 22:10:18,392 INFO L280 TraceCheckUtils]: 48: Hoare triple {6965#(<= 13 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} havoc #t~mem0; {6965#(<= 13 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} is VALID [2020-07-08 22:10:18,393 INFO L263 TraceCheckUtils]: 49: Hoare triple {6965#(<= 13 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} call foo(~p.base, ~p.offset); {6966#(<= 13 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|))} is VALID [2020-07-08 22:10:18,394 INFO L280 TraceCheckUtils]: 50: Hoare triple {6966#(<= 13 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|))} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {6967#(<= 13 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:10:18,394 INFO L280 TraceCheckUtils]: 51: Hoare triple {6967#(<= 13 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {6967#(<= 13 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:10:18,395 INFO L280 TraceCheckUtils]: 52: Hoare triple {6967#(<= 13 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} assume #t~mem2 < 20; {6967#(<= 13 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:10:18,396 INFO L280 TraceCheckUtils]: 53: Hoare triple {6967#(<= 13 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} havoc #t~mem2; {6967#(<= 13 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:10:18,396 INFO L263 TraceCheckUtils]: 54: Hoare triple {6967#(<= 13 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} call plus(~p.base, ~p.offset); {6968#(<= 13 (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|))} is VALID [2020-07-08 22:10:18,397 INFO L280 TraceCheckUtils]: 55: Hoare triple {6968#(<= 13 (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|))} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {6965#(<= 13 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} is VALID [2020-07-08 22:10:18,397 INFO L280 TraceCheckUtils]: 56: Hoare triple {6965#(<= 13 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} SUMMARY for call #t~mem0 := read~int(~p.base, ~p.offset, 4); srcloc: L5 {6969#(<= 13 |plus_#t~mem0|)} is VALID [2020-07-08 22:10:18,398 INFO L280 TraceCheckUtils]: 57: Hoare triple {6969#(<= 13 |plus_#t~mem0|)} #t~post1 := #t~mem0; {6970#(<= 13 |plus_#t~post1|)} is VALID [2020-07-08 22:10:18,399 INFO L280 TraceCheckUtils]: 58: Hoare triple {6970#(<= 13 |plus_#t~post1|)} SUMMARY for call write~int(1 + #t~post1, ~p.base, ~p.offset, 4); srcloc: L5-2 {6971#(<= 14 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} is VALID [2020-07-08 22:10:18,399 INFO L280 TraceCheckUtils]: 59: Hoare triple {6971#(<= 14 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} havoc #t~post1; {6971#(<= 14 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} is VALID [2020-07-08 22:10:18,400 INFO L280 TraceCheckUtils]: 60: Hoare triple {6971#(<= 14 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} havoc #t~mem0; {6971#(<= 14 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} is VALID [2020-07-08 22:10:18,401 INFO L263 TraceCheckUtils]: 61: Hoare triple {6971#(<= 14 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} call foo(~p.base, ~p.offset); {6972#(<= 14 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|))} is VALID [2020-07-08 22:10:18,402 INFO L280 TraceCheckUtils]: 62: Hoare triple {6972#(<= 14 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|))} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {6973#(<= 14 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:10:18,402 INFO L280 TraceCheckUtils]: 63: Hoare triple {6973#(<= 14 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {6973#(<= 14 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:10:18,403 INFO L280 TraceCheckUtils]: 64: Hoare triple {6973#(<= 14 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} assume #t~mem2 < 20; {6973#(<= 14 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:10:18,403 INFO L280 TraceCheckUtils]: 65: Hoare triple {6973#(<= 14 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} havoc #t~mem2; {6973#(<= 14 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:10:18,404 INFO L263 TraceCheckUtils]: 66: Hoare triple {6973#(<= 14 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} call plus(~p.base, ~p.offset); {6974#(<= 14 (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|))} is VALID [2020-07-08 22:10:18,404 INFO L280 TraceCheckUtils]: 67: Hoare triple {6974#(<= 14 (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|))} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {6971#(<= 14 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} is VALID [2020-07-08 22:10:18,405 INFO L280 TraceCheckUtils]: 68: Hoare triple {6971#(<= 14 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} SUMMARY for call #t~mem0 := read~int(~p.base, ~p.offset, 4); srcloc: L5 {6975#(<= 14 |plus_#t~mem0|)} is VALID [2020-07-08 22:10:18,405 INFO L280 TraceCheckUtils]: 69: Hoare triple {6975#(<= 14 |plus_#t~mem0|)} #t~post1 := #t~mem0; {6976#(<= 14 |plus_#t~post1|)} is VALID [2020-07-08 22:10:18,406 INFO L280 TraceCheckUtils]: 70: Hoare triple {6976#(<= 14 |plus_#t~post1|)} SUMMARY for call write~int(1 + #t~post1, ~p.base, ~p.offset, 4); srcloc: L5-2 {6977#(<= 15 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} is VALID [2020-07-08 22:10:18,407 INFO L280 TraceCheckUtils]: 71: Hoare triple {6977#(<= 15 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} havoc #t~post1; {6977#(<= 15 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} is VALID [2020-07-08 22:10:18,407 INFO L280 TraceCheckUtils]: 72: Hoare triple {6977#(<= 15 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} havoc #t~mem0; {6977#(<= 15 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} is VALID [2020-07-08 22:10:18,408 INFO L263 TraceCheckUtils]: 73: Hoare triple {6977#(<= 15 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} call foo(~p.base, ~p.offset); {6978#(<= 15 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|))} is VALID [2020-07-08 22:10:18,409 INFO L280 TraceCheckUtils]: 74: Hoare triple {6978#(<= 15 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|))} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {6979#(<= 15 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:10:18,410 INFO L280 TraceCheckUtils]: 75: Hoare triple {6979#(<= 15 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {6979#(<= 15 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:10:18,410 INFO L280 TraceCheckUtils]: 76: Hoare triple {6979#(<= 15 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} assume #t~mem2 < 20; {6979#(<= 15 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:10:18,411 INFO L280 TraceCheckUtils]: 77: Hoare triple {6979#(<= 15 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} havoc #t~mem2; {6979#(<= 15 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:10:18,412 INFO L263 TraceCheckUtils]: 78: Hoare triple {6979#(<= 15 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} call plus(~p.base, ~p.offset); {6980#(<= 15 (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|))} is VALID [2020-07-08 22:10:18,413 INFO L280 TraceCheckUtils]: 79: Hoare triple {6980#(<= 15 (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|))} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {6977#(<= 15 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} is VALID [2020-07-08 22:10:18,414 INFO L280 TraceCheckUtils]: 80: Hoare triple {6977#(<= 15 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} SUMMARY for call #t~mem0 := read~int(~p.base, ~p.offset, 4); srcloc: L5 {6981#(<= 15 |plus_#t~mem0|)} is VALID [2020-07-08 22:10:18,414 INFO L280 TraceCheckUtils]: 81: Hoare triple {6981#(<= 15 |plus_#t~mem0|)} #t~post1 := #t~mem0; {6982#(<= 15 |plus_#t~post1|)} is VALID [2020-07-08 22:10:18,415 INFO L280 TraceCheckUtils]: 82: Hoare triple {6982#(<= 15 |plus_#t~post1|)} SUMMARY for call write~int(1 + #t~post1, ~p.base, ~p.offset, 4); srcloc: L5-2 {6983#(<= 16 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} is VALID [2020-07-08 22:10:18,416 INFO L280 TraceCheckUtils]: 83: Hoare triple {6983#(<= 16 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} havoc #t~post1; {6983#(<= 16 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} is VALID [2020-07-08 22:10:18,416 INFO L280 TraceCheckUtils]: 84: Hoare triple {6983#(<= 16 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} havoc #t~mem0; {6983#(<= 16 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} is VALID [2020-07-08 22:10:18,417 INFO L263 TraceCheckUtils]: 85: Hoare triple {6983#(<= 16 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} call foo(~p.base, ~p.offset); {6984#(<= 16 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|))} is VALID [2020-07-08 22:10:18,417 INFO L280 TraceCheckUtils]: 86: Hoare triple {6984#(<= 16 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|))} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {6985#(<= 16 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:10:18,418 INFO L280 TraceCheckUtils]: 87: Hoare triple {6985#(<= 16 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {6985#(<= 16 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:10:18,418 INFO L280 TraceCheckUtils]: 88: Hoare triple {6985#(<= 16 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} assume #t~mem2 < 20; {6985#(<= 16 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:10:18,418 INFO L280 TraceCheckUtils]: 89: Hoare triple {6985#(<= 16 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} havoc #t~mem2; {6985#(<= 16 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:10:18,419 INFO L263 TraceCheckUtils]: 90: Hoare triple {6985#(<= 16 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} call plus(~p.base, ~p.offset); {6986#(<= 16 (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|))} is VALID [2020-07-08 22:10:18,420 INFO L280 TraceCheckUtils]: 91: Hoare triple {6986#(<= 16 (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|))} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {6983#(<= 16 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} is VALID [2020-07-08 22:10:18,420 INFO L280 TraceCheckUtils]: 92: Hoare triple {6983#(<= 16 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} SUMMARY for call #t~mem0 := read~int(~p.base, ~p.offset, 4); srcloc: L5 {6987#(<= 16 |plus_#t~mem0|)} is VALID [2020-07-08 22:10:18,421 INFO L280 TraceCheckUtils]: 93: Hoare triple {6987#(<= 16 |plus_#t~mem0|)} #t~post1 := #t~mem0; {6988#(<= 16 |plus_#t~post1|)} is VALID [2020-07-08 22:10:18,421 INFO L280 TraceCheckUtils]: 94: Hoare triple {6988#(<= 16 |plus_#t~post1|)} SUMMARY for call write~int(1 + #t~post1, ~p.base, ~p.offset, 4); srcloc: L5-2 {6989#(<= 17 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} is VALID [2020-07-08 22:10:18,422 INFO L280 TraceCheckUtils]: 95: Hoare triple {6989#(<= 17 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} havoc #t~post1; {6989#(<= 17 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} is VALID [2020-07-08 22:10:18,422 INFO L280 TraceCheckUtils]: 96: Hoare triple {6989#(<= 17 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} havoc #t~mem0; {6989#(<= 17 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} is VALID [2020-07-08 22:10:18,423 INFO L263 TraceCheckUtils]: 97: Hoare triple {6989#(<= 17 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} call foo(~p.base, ~p.offset); {6990#(<= 17 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|))} is VALID [2020-07-08 22:10:18,423 INFO L280 TraceCheckUtils]: 98: Hoare triple {6990#(<= 17 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|))} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {6991#(<= 17 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:10:18,424 INFO L280 TraceCheckUtils]: 99: Hoare triple {6991#(<= 17 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {6991#(<= 17 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:10:18,424 INFO L280 TraceCheckUtils]: 100: Hoare triple {6991#(<= 17 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} assume #t~mem2 < 20; {6991#(<= 17 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:10:18,424 INFO L280 TraceCheckUtils]: 101: Hoare triple {6991#(<= 17 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} havoc #t~mem2; {6991#(<= 17 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:10:18,425 INFO L263 TraceCheckUtils]: 102: Hoare triple {6991#(<= 17 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} call plus(~p.base, ~p.offset); {6992#(<= 17 (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|))} is VALID [2020-07-08 22:10:18,426 INFO L280 TraceCheckUtils]: 103: Hoare triple {6992#(<= 17 (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|))} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {6989#(<= 17 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} is VALID [2020-07-08 22:10:18,426 INFO L280 TraceCheckUtils]: 104: Hoare triple {6989#(<= 17 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} SUMMARY for call #t~mem0 := read~int(~p.base, ~p.offset, 4); srcloc: L5 {6993#(<= 17 |plus_#t~mem0|)} is VALID [2020-07-08 22:10:18,427 INFO L280 TraceCheckUtils]: 105: Hoare triple {6993#(<= 17 |plus_#t~mem0|)} #t~post1 := #t~mem0; {6994#(<= 17 |plus_#t~post1|)} is VALID [2020-07-08 22:10:18,427 INFO L280 TraceCheckUtils]: 106: Hoare triple {6994#(<= 17 |plus_#t~post1|)} SUMMARY for call write~int(1 + #t~post1, ~p.base, ~p.offset, 4); srcloc: L5-2 {6995#(<= 18 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} is VALID [2020-07-08 22:10:18,428 INFO L280 TraceCheckUtils]: 107: Hoare triple {6995#(<= 18 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} havoc #t~post1; {6995#(<= 18 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} is VALID [2020-07-08 22:10:18,428 INFO L280 TraceCheckUtils]: 108: Hoare triple {6995#(<= 18 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} havoc #t~mem0; {6995#(<= 18 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} is VALID [2020-07-08 22:10:18,429 INFO L263 TraceCheckUtils]: 109: Hoare triple {6995#(<= 18 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} call foo(~p.base, ~p.offset); {6996#(<= 18 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|))} is VALID [2020-07-08 22:10:18,429 INFO L280 TraceCheckUtils]: 110: Hoare triple {6996#(<= 18 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|))} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {6997#(<= 18 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:10:18,430 INFO L280 TraceCheckUtils]: 111: Hoare triple {6997#(<= 18 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {6997#(<= 18 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:10:18,433 INFO L280 TraceCheckUtils]: 112: Hoare triple {6997#(<= 18 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} assume #t~mem2 < 20; {6997#(<= 18 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:10:18,434 INFO L280 TraceCheckUtils]: 113: Hoare triple {6997#(<= 18 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} havoc #t~mem2; {6997#(<= 18 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:10:18,434 INFO L263 TraceCheckUtils]: 114: Hoare triple {6997#(<= 18 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} call plus(~p.base, ~p.offset); {6998#(<= 18 (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|))} is VALID [2020-07-08 22:10:18,435 INFO L280 TraceCheckUtils]: 115: Hoare triple {6998#(<= 18 (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|))} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {6995#(<= 18 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} is VALID [2020-07-08 22:10:18,435 INFO L280 TraceCheckUtils]: 116: Hoare triple {6995#(<= 18 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} SUMMARY for call #t~mem0 := read~int(~p.base, ~p.offset, 4); srcloc: L5 {6999#(<= 18 |plus_#t~mem0|)} is VALID [2020-07-08 22:10:18,436 INFO L280 TraceCheckUtils]: 117: Hoare triple {6999#(<= 18 |plus_#t~mem0|)} #t~post1 := #t~mem0; {7000#(<= 18 |plus_#t~post1|)} is VALID [2020-07-08 22:10:18,437 INFO L280 TraceCheckUtils]: 118: Hoare triple {7000#(<= 18 |plus_#t~post1|)} SUMMARY for call write~int(1 + #t~post1, ~p.base, ~p.offset, 4); srcloc: L5-2 {7001#(<= 19 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} is VALID [2020-07-08 22:10:18,437 INFO L280 TraceCheckUtils]: 119: Hoare triple {7001#(<= 19 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} havoc #t~post1; {7001#(<= 19 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} is VALID [2020-07-08 22:10:18,438 INFO L280 TraceCheckUtils]: 120: Hoare triple {7001#(<= 19 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} havoc #t~mem0; {7001#(<= 19 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} is VALID [2020-07-08 22:10:18,439 INFO L263 TraceCheckUtils]: 121: Hoare triple {7001#(<= 19 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} call foo(~p.base, ~p.offset); {7002#(<= 19 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|))} is VALID [2020-07-08 22:10:18,440 INFO L280 TraceCheckUtils]: 122: Hoare triple {7002#(<= 19 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|))} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {7003#(<= 19 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:10:18,440 INFO L280 TraceCheckUtils]: 123: Hoare triple {7003#(<= 19 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {7004#(and (<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) |foo_#t~mem2|) (<= 19 (select (select |#memory_int| foo_~p.base) foo_~p.offset)))} is VALID [2020-07-08 22:10:18,441 INFO L280 TraceCheckUtils]: 124: Hoare triple {7004#(and (<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) |foo_#t~mem2|) (<= 19 (select (select |#memory_int| foo_~p.base) foo_~p.offset)))} assume #t~mem2 < 20; {7005#(and (<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 19) (<= 19 (select (select |#memory_int| foo_~p.base) foo_~p.offset)))} is VALID [2020-07-08 22:10:18,441 INFO L280 TraceCheckUtils]: 125: Hoare triple {7005#(and (<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 19) (<= 19 (select (select |#memory_int| foo_~p.base) foo_~p.offset)))} havoc #t~mem2; {7005#(and (<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 19) (<= 19 (select (select |#memory_int| foo_~p.base) foo_~p.offset)))} is VALID [2020-07-08 22:10:18,442 INFO L263 TraceCheckUtils]: 126: Hoare triple {7005#(and (<= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 19) (<= 19 (select (select |#memory_int| foo_~p.base) foo_~p.offset)))} call plus(~p.base, ~p.offset); {7006#(and (<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 19) (<= 19 (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|)))} is VALID [2020-07-08 22:10:18,443 INFO L280 TraceCheckUtils]: 127: Hoare triple {7006#(and (<= (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|) 19) (<= 19 (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|)))} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {7007#(and (<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 19) (<= 19 (select (select |#memory_int| plus_~p.base) plus_~p.offset)))} is VALID [2020-07-08 22:10:18,444 INFO L280 TraceCheckUtils]: 128: Hoare triple {7007#(and (<= (select (select |#memory_int| plus_~p.base) plus_~p.offset) 19) (<= 19 (select (select |#memory_int| plus_~p.base) plus_~p.offset)))} SUMMARY for call #t~mem0 := read~int(~p.base, ~p.offset, 4); srcloc: L5 {7008#(and (<= |plus_#t~mem0| 19) (<= 19 |plus_#t~mem0|))} is VALID [2020-07-08 22:10:18,444 INFO L280 TraceCheckUtils]: 129: Hoare triple {7008#(and (<= |plus_#t~mem0| 19) (<= 19 |plus_#t~mem0|))} #t~post1 := #t~mem0; {7009#(= 19 |plus_#t~post1|)} is VALID [2020-07-08 22:10:18,445 INFO L280 TraceCheckUtils]: 130: Hoare triple {7009#(= 19 |plus_#t~post1|)} SUMMARY for call write~int(1 + #t~post1, ~p.base, ~p.offset, 4); srcloc: L5-2 {7010#(= 20 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} is VALID [2020-07-08 22:10:18,445 INFO L280 TraceCheckUtils]: 131: Hoare triple {7010#(= 20 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} havoc #t~post1; {7010#(= 20 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} is VALID [2020-07-08 22:10:18,446 INFO L280 TraceCheckUtils]: 132: Hoare triple {7010#(= 20 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} havoc #t~mem0; {7010#(= 20 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} is VALID [2020-07-08 22:10:18,447 INFO L263 TraceCheckUtils]: 133: Hoare triple {7010#(= 20 (select (select |#memory_int| plus_~p.base) plus_~p.offset))} call foo(~p.base, ~p.offset); {7011#(= 20 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|))} is VALID [2020-07-08 22:10:18,447 INFO L280 TraceCheckUtils]: 134: Hoare triple {7011#(= 20 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|))} ~p.base, ~p.offset := #in~p.base, #in~p.offset; {7012#(= 20 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:10:18,447 INFO L280 TraceCheckUtils]: 135: Hoare triple {7012#(= 20 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} SUMMARY for call #t~mem2 := read~int(~p.base, ~p.offset, 4); srcloc: L10 {7012#(= 20 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:10:18,448 INFO L280 TraceCheckUtils]: 136: Hoare triple {7012#(= 20 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} assume !(#t~mem2 < 20); {7012#(= 20 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:10:18,448 INFO L280 TraceCheckUtils]: 137: Hoare triple {7012#(= 20 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} havoc #t~mem2; {7012#(= 20 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} is VALID [2020-07-08 22:10:18,449 INFO L280 TraceCheckUtils]: 138: Hoare triple {7012#(= 20 (select (select |#memory_int| foo_~p.base) foo_~p.offset))} SUMMARY for call #t~mem3 := read~int(~p.base, ~p.offset, 4); srcloc: L12 {7013#(= 20 |foo_#t~mem3|)} is VALID [2020-07-08 22:10:18,450 INFO L280 TraceCheckUtils]: 139: Hoare triple {7013#(= 20 |foo_#t~mem3|)} assume !(20 == #t~mem3); {6940#false} is VALID [2020-07-08 22:10:18,450 INFO L280 TraceCheckUtils]: 140: Hoare triple {6940#false} havoc #t~mem3; {6940#false} is VALID [2020-07-08 22:10:18,450 INFO L280 TraceCheckUtils]: 141: Hoare triple {6940#false} assume !false; {6940#false} is VALID [2020-07-08 22:10:18,486 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 485 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 22:10:18,487 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [118081480] [2020-07-08 22:10:18,487 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-08 22:10:18,487 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [71] total 71 [2020-07-08 22:10:18,487 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294303507] [2020-07-08 22:10:18,488 INFO L78 Accepts]: Start accepts. Automaton has 71 states. Word has length 142 [2020-07-08 22:10:18,488 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:10:18,488 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 71 states. [2020-07-08 22:10:18,669 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 142 edges. 142 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:10:18,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 71 states [2020-07-08 22:10:18,670 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:10:18,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2020-07-08 22:10:18,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=409, Invalid=4561, Unknown=0, NotChecked=0, Total=4970 [2020-07-08 22:10:18,671 INFO L87 Difference]: Start difference. First operand 143 states and 143 transitions. Second operand 71 states. [2020-07-08 22:10:28,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:10:28,595 INFO L93 Difference]: Finished difference Result 158 states and 159 transitions. [2020-07-08 22:10:28,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2020-07-08 22:10:28,595 INFO L78 Accepts]: Start accepts. Automaton has 71 states. Word has length 142 [2020-07-08 22:10:28,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:10:28,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-07-08 22:10:28,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 159 transitions. [2020-07-08 22:10:28,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-07-08 22:10:28,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 159 transitions. [2020-07-08 22:10:28,606 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 101 states and 159 transitions. [2020-07-08 22:10:28,848 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 159 edges. 159 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:10:28,849 INFO L225 Difference]: With dead ends: 158 [2020-07-08 22:10:28,849 INFO L226 Difference]: Without dead ends: 0 [2020-07-08 22:10:28,855 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8741 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=3441, Invalid=24615, Unknown=0, NotChecked=0, Total=28056 [2020-07-08 22:10:28,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-08 22:10:28,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-08 22:10:28,882 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:10:28,882 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-08 22:10:28,882 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-08 22:10:28,882 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-08 22:10:28,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:10:28,882 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-08 22:10:28,883 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-08 22:10:28,883 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:10:28,883 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:10:28,883 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-08 22:10:28,883 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-08 22:10:28,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:10:28,884 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-08 22:10:28,884 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-08 22:10:28,884 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:10:28,884 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:10:28,884 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:10:28,884 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:10:28,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-08 22:10:28,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-08 22:10:28,885 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 142 [2020-07-08 22:10:28,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:10:28,885 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-08 22:10:28,885 INFO L480 AbstractCegarLoop]: Interpolant automaton has 71 states. [2020-07-08 22:10:28,885 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 0 states and 0 transitions. [2020-07-08 22:10:28,886 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:10:28,886 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-08 22:10:28,886 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:10:28,886 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-08 22:10:28,889 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-08 22:10:30,210 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 137 [2020-07-08 22:10:30,703 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 126 [2020-07-08 22:10:30,895 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2020-07-08 22:10:31,125 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2020-07-08 22:10:31,685 WARN L193 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 131 [2020-07-08 22:10:32,105 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 119 [2020-07-08 22:10:32,803 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 156 [2020-07-08 22:10:33,418 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 158 [2020-07-08 22:10:33,755 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 95 [2020-07-08 22:10:34,290 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 139 [2020-07-08 22:10:34,821 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 137 [2020-07-08 22:10:35,231 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 121 [2020-07-08 22:10:35,662 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 100 [2020-07-08 22:10:36,057 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 117 [2020-07-08 22:10:36,301 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2020-07-08 22:10:36,313 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-08 22:10:36,313 INFO L271 CegarLoopResult]: At program point L-1-1(line -1) the Hoare annotation is: true [2020-07-08 22:10:36,313 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-07-08 22:10:36,313 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-07-08 22:10:36,314 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-07-08 22:10:36,314 INFO L271 CegarLoopResult]: At program point fooEXIT(lines 9 18) the Hoare annotation is: true [2020-07-08 22:10:36,314 INFO L264 CegarLoopResult]: At program point fooENTRY(lines 9 18) the Hoare annotation is: (let ((.cse1 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|)) (.cse0 (select (select |old(#memory_int)| |foo_#in~p.base|) |foo_#in~p.offset|))) (and (or (not (<= 13 .cse0)) (and (<= .cse1 13) (<= 13 .cse1)) (not (<= .cse0 13))) (or (not (= 20 .cse0)) (= 20 .cse1)) (or (not (<= .cse0 14)) (not (<= 14 .cse0)) (and (<= .cse1 14) (<= 14 .cse1))) (or (not (= 10 .cse0)) (= 10 .cse1)) (or (not (<= .cse0 12)) (and (<= 12 .cse1) (<= .cse1 12)) (not (<= 12 .cse0))) (or (not (<= 15 .cse0)) (and (<= 15 .cse1) (<= .cse1 15)) (not (<= .cse0 15))) (or (not (<= 11 .cse0)) (and (<= .cse1 11) (<= 11 .cse1)) (not (<= .cse0 11))) (or (not (<= 19 .cse0)) (not (<= .cse0 19)) (and (<= 19 .cse1) (<= .cse1 19))) (or (and (<= 17 .cse1) (<= .cse1 17)) (not (<= .cse0 17)) (not (<= 17 .cse0))) (or (not (<= 18 .cse0)) (and (<= 18 .cse1) (<= .cse1 18)) (not (<= .cse0 18))) (or (not (<= 16 .cse0)) (and (<= 16 .cse1) (<= .cse1 16)) (not (<= .cse0 16))))) [2020-07-08 22:10:36,315 INFO L264 CegarLoopResult]: At program point L16(line 16) the Hoare annotation is: (let ((.cse0 (select (select |old(#memory_int)| |foo_#in~p.base|) |foo_#in~p.offset|))) (and (not (= 20 .cse0)) (or (not (<= .cse0 12)) (not (<= 12 .cse0))) (or (not (<= .cse0 14)) (not (<= 14 .cse0))) (or (not (<= 19 .cse0)) (not (<= .cse0 19))) (not (= 10 .cse0)) (or (not (<= 11 .cse0)) (not (<= .cse0 11))) (or (not (<= 13 .cse0)) (not (<= .cse0 13))) (or (not (<= .cse0 17)) (not (<= 17 .cse0))) (or (not (<= 16 .cse0)) (not (<= .cse0 16))) (or (not (<= 15 .cse0)) (not (<= .cse0 15))) (or (not (<= 18 .cse0)) (not (<= .cse0 18))))) [2020-07-08 22:10:36,315 INFO L264 CegarLoopResult]: At program point fooErr0ASSERT_VIOLATIONERROR_FUNCTION(line 16) the Hoare annotation is: (let ((.cse0 (select (select |old(#memory_int)| |foo_#in~p.base|) |foo_#in~p.offset|))) (and (not (= 20 .cse0)) (or (not (<= .cse0 12)) (not (<= 12 .cse0))) (or (not (<= .cse0 14)) (not (<= 14 .cse0))) (or (not (<= 19 .cse0)) (not (<= .cse0 19))) (not (= 10 .cse0)) (or (not (<= 11 .cse0)) (not (<= .cse0 11))) (or (not (<= 13 .cse0)) (not (<= .cse0 13))) (or (not (<= .cse0 17)) (not (<= 17 .cse0))) (or (not (<= 16 .cse0)) (not (<= .cse0 16))) (or (not (<= 15 .cse0)) (not (<= .cse0 15))) (or (not (<= 18 .cse0)) (not (<= .cse0 18))))) [2020-07-08 22:10:36,315 INFO L264 CegarLoopResult]: At program point L12(line 12) the Hoare annotation is: (let ((.cse0 (select (select |old(#memory_int)| |foo_#in~p.base|) |foo_#in~p.offset|))) (and (or (not (= 20 .cse0)) (and (= 20 (select (select |#memory_int| foo_~p.base) foo_~p.offset)) (= 20 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|)))) (or (not (<= .cse0 12)) (not (<= 12 .cse0))) (or (not (<= .cse0 14)) (not (<= 14 .cse0))) (or (not (<= 19 .cse0)) (not (<= .cse0 19))) (not (= 10 .cse0)) (or (not (<= 11 .cse0)) (not (<= .cse0 11))) (or (not (<= 13 .cse0)) (not (<= .cse0 13))) (or (not (<= .cse0 17)) (not (<= 17 .cse0))) (or (not (<= 16 .cse0)) (not (<= .cse0 16))) (or (not (<= 15 .cse0)) (not (<= .cse0 15))) (or (not (<= 18 .cse0)) (not (<= .cse0 18))))) [2020-07-08 22:10:36,316 INFO L264 CegarLoopResult]: At program point L11(line 11) the Hoare annotation is: (let ((.cse1 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|)) (.cse2 (select (select |#memory_int| foo_~p.base) foo_~p.offset)) (.cse0 (select (select |old(#memory_int)| |foo_#in~p.base|) |foo_#in~p.offset|))) (and (not (= 20 .cse0)) (or (not (<= .cse0 12)) (and (<= 12 .cse1) (<= .cse1 12) (<= .cse2 12) (<= 12 .cse2)) (not (<= 12 .cse0))) (or (not (<= 13 .cse0)) (and (<= 13 .cse2) (<= .cse1 13) (<= .cse2 13) (<= 13 .cse1)) (not (<= .cse0 13))) (or (not (<= 11 .cse0)) (and (<= .cse1 11) (<= 11 .cse2) (<= 11 .cse1) (<= .cse2 11)) (not (<= .cse0 11))) (or (and (<= 15 .cse2) (<= 15 .cse1) (<= .cse1 15) (<= .cse2 15)) (not (<= 15 .cse0)) (not (<= .cse0 15))) (or (not (<= 18 .cse0)) (and (<= 18 .cse2) (<= 18 .cse1) (<= .cse2 18) (<= .cse1 18)) (not (<= .cse0 18))) (or (not (= 10 .cse0)) (and (= 10 .cse2) (= 10 .cse1))) (or (not (<= 19 .cse0)) (not (<= .cse0 19)) (and (<= 19 .cse1) (<= .cse2 19) (<= 19 .cse2))) (or (not (<= .cse0 17)) (not (<= 17 .cse0)) (and (<= 17 .cse2) (<= .cse2 17) (<= 17 .cse1) (<= .cse1 17))) (or (not (<= .cse0 14)) (not (<= 14 .cse0)) (and (<= .cse1 14) (<= .cse2 14) (<= 14 .cse2) (<= 14 .cse1))) (or (not (<= 16 .cse0)) (and (<= 16 .cse1) (<= .cse2 16) (<= .cse1 16) (<= 16 .cse2)) (not (<= .cse0 16))))) [2020-07-08 22:10:36,316 INFO L264 CegarLoopResult]: At program point L12-1(lines 12 17) the Hoare annotation is: (let ((.cse0 (select (select |old(#memory_int)| |foo_#in~p.base|) |foo_#in~p.offset|))) (and (or (not (= 20 .cse0)) (and (= 20 (select (select |#memory_int| foo_~p.base) foo_~p.offset)) (= 20 |foo_#t~mem3|) (= 20 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|)))) (or (not (<= .cse0 12)) (not (<= 12 .cse0))) (or (not (<= .cse0 14)) (not (<= 14 .cse0))) (or (not (<= 19 .cse0)) (not (<= .cse0 19))) (not (= 10 .cse0)) (or (not (<= 11 .cse0)) (not (<= .cse0 11))) (or (not (<= 13 .cse0)) (not (<= .cse0 13))) (or (not (<= .cse0 17)) (not (<= 17 .cse0))) (or (not (<= 16 .cse0)) (not (<= .cse0 16))) (or (not (<= 15 .cse0)) (not (<= .cse0 15))) (or (not (<= 18 .cse0)) (not (<= .cse0 18))))) [2020-07-08 22:10:36,317 INFO L264 CegarLoopResult]: At program point L10(line 10) the Hoare annotation is: (let ((.cse1 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|)) (.cse2 (select (select |#memory_int| foo_~p.base) foo_~p.offset)) (.cse0 (select (select |old(#memory_int)| |foo_#in~p.base|) |foo_#in~p.offset|))) (and (or (not (<= .cse0 12)) (and (<= 12 .cse1) (<= .cse1 12) (<= .cse2 12) (<= 12 .cse2)) (not (<= 12 .cse0))) (or (not (<= 11 .cse0)) (and (<= .cse1 11) (<= 11 .cse2) (<= 11 .cse1) (<= .cse2 11)) (not (<= .cse0 11))) (or (not (<= 13 .cse0)) (and (<= 13 .cse2) (<= .cse1 13) (<= .cse2 13) (<= 13 .cse1)) (not (<= .cse0 13))) (or (and (<= 15 .cse2) (<= 15 .cse1) (<= .cse1 15) (<= .cse2 15)) (not (<= 15 .cse0)) (not (<= .cse0 15))) (or (not (<= 18 .cse0)) (and (<= 18 .cse2) (<= 18 .cse1) (<= .cse2 18) (<= .cse1 18)) (not (<= .cse0 18))) (or (not (= 20 .cse0)) (and (= 20 .cse2) (= 20 .cse1))) (or (not (<= 19 .cse0)) (not (<= .cse0 19)) (and (<= 19 .cse1) (<= .cse2 19) (<= 19 .cse2) (<= .cse1 19))) (or (not (= 10 .cse0)) (and (= 10 .cse2) (= 10 .cse1))) (or (not (<= .cse0 17)) (not (<= 17 .cse0)) (and (<= 17 .cse2) (<= .cse2 17) (<= 17 .cse1) (<= .cse1 17))) (or (not (<= .cse0 14)) (not (<= 14 .cse0)) (and (<= .cse1 14) (<= .cse2 14) (<= 14 .cse2) (<= 14 .cse1))) (or (not (<= 16 .cse0)) (and (<= 16 .cse1) (<= .cse2 16) (<= .cse1 16) (<= 16 .cse2)) (not (<= .cse0 16))))) [2020-07-08 22:10:36,317 INFO L264 CegarLoopResult]: At program point L12-2(line 12) the Hoare annotation is: (not (= 10 (select (select |old(#memory_int)| |foo_#in~p.base|) |foo_#in~p.offset|))) [2020-07-08 22:10:36,317 INFO L264 CegarLoopResult]: At program point L10-1(lines 10 17) the Hoare annotation is: (let ((.cse2 (select (select |#memory_int| foo_~p.base) foo_~p.offset))) (let ((.cse3 (<= .cse2 |foo_#t~mem2|)) (.cse1 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|)) (.cse0 (select (select |old(#memory_int)| |foo_#in~p.base|) |foo_#in~p.offset|))) (and (or (not (<= .cse0 14)) (not (<= 14 .cse0)) (and (<= .cse1 14) (<= |foo_#t~mem2| 14) (<= .cse2 14) (<= 14 .cse2) (<= 14 .cse1))) (or (not (<= 11 .cse0)) (and (<= .cse1 11) (<= 11 .cse2) (<= .cse2 11) (<= 11 .cse1) (<= |foo_#t~mem2| 11)) (not (<= .cse0 11))) (or (and (<= 17 .cse2) (<= .cse2 17) (<= 17 .cse1) (<= .cse1 17) (<= |foo_#t~mem2| 17)) (not (<= .cse0 17)) (not (<= 17 .cse0))) (or (not (= 10 .cse0)) (and (= 10 |foo_#t~mem2|) (= 10 .cse2) (= 10 .cse1))) (or (not (<= 16 .cse0)) (and (<= 16 .cse1) (<= .cse2 16) (<= |foo_#t~mem2| 16) (<= .cse1 16) (<= 16 .cse2)) (not (<= .cse0 16))) (or (not (<= .cse0 12)) (not (<= 12 .cse0)) (and (<= |foo_#t~mem2| 12) (<= 12 .cse1) (<= .cse1 12) (<= .cse2 12) (<= 12 .cse2))) (or (not (<= 13 .cse0)) (and (<= 13 .cse2) (<= .cse1 13) (<= |foo_#t~mem2| 13) (<= .cse2 13) (<= 13 .cse1)) (not (<= .cse0 13))) (or (not (= 20 .cse0)) (and (= 20 .cse2) .cse3 (= 20 .cse1))) (or (not (<= 19 .cse0)) (not (<= .cse0 19)) (and .cse3 (<= 19 .cse1) (<= 19 .cse2) (<= |foo_#t~mem2| 19) (<= .cse1 19))) (or (not (<= 18 .cse0)) (not (<= .cse0 18)) (and (<= 18 .cse2) (<= |foo_#t~mem2| 18) (<= 18 .cse1) (<= .cse2 18) (<= .cse1 18))) (or (not (<= 15 .cse0)) (and (<= 15 .cse2) (<= |foo_#t~mem2| 15) (<= 15 .cse1) (<= .cse1 15) (<= .cse2 15)) (not (<= .cse0 15)))))) [2020-07-08 22:10:36,317 INFO L264 CegarLoopResult]: At program point L12-3(line 12) the Hoare annotation is: (let ((.cse0 (select (select |old(#memory_int)| |foo_#in~p.base|) |foo_#in~p.offset|))) (and (not (= 20 .cse0)) (or (not (<= .cse0 12)) (not (<= 12 .cse0))) (or (not (<= .cse0 14)) (not (<= 14 .cse0))) (or (not (<= 19 .cse0)) (not (<= .cse0 19))) (not (= 10 .cse0)) (or (not (<= 11 .cse0)) (not (<= .cse0 11))) (or (not (<= 13 .cse0)) (not (<= .cse0 13))) (or (not (<= .cse0 17)) (not (<= 17 .cse0))) (or (not (<= 16 .cse0)) (not (<= .cse0 16))) (or (not (<= 15 .cse0)) (not (<= .cse0 15))) (or (not (<= 18 .cse0)) (not (<= .cse0 18))))) [2020-07-08 22:10:36,318 INFO L264 CegarLoopResult]: At program point L10-2(line 10) the Hoare annotation is: (let ((.cse3 (<= |foo_#t~mem2| 19)) (.cse0 (select (select |old(#memory_int)| |foo_#in~p.base|) |foo_#in~p.offset|)) (.cse2 (select (select |#memory_int| foo_~p.base) foo_~p.offset)) (.cse1 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|))) (and (not (= 20 .cse0)) (or (not (<= .cse0 12)) (and (<= |foo_#t~mem2| 13) (<= 12 .cse1) (<= .cse1 12) (<= .cse2 12) (<= 12 .cse2)) (not (<= 12 .cse0))) (or (and (<= |foo_#t~mem2| 11) (= 10 .cse2) (= 10 .cse1)) (not (= 10 .cse0))) (or (not (<= .cse0 14)) (not (<= 14 .cse0)) (and (<= .cse1 14) (<= |foo_#t~mem2| 15) (<= .cse2 14) (<= 14 .cse2) (<= 14 .cse1))) (or (not (<= 19 .cse0)) (not (<= .cse0 19)) (and (<= .cse2 |foo_#t~mem2|) (<= 19 .cse1) (<= 19 .cse2) .cse3)) (or (not (<= 13 .cse0)) (and (<= 13 .cse2) (<= |foo_#t~mem2| 14) (<= .cse1 13) (<= .cse2 13) (<= 13 .cse1)) (not (<= .cse0 13))) (or (and (<= 15 .cse2) (<= 15 .cse1) (<= |foo_#t~mem2| 16) (<= .cse1 15) (<= .cse2 15)) (not (<= 15 .cse0)) (not (<= .cse0 15))) (or (not (<= 11 .cse0)) (and (<= .cse1 11) (<= |foo_#t~mem2| 12) (<= 11 .cse2) (<= .cse2 11) (<= 11 .cse1)) (not (<= .cse0 11))) (or (not (<= 18 .cse0)) (and (<= 18 .cse2) (<= 18 .cse1) (<= .cse2 18) (<= .cse1 18) .cse3) (not (<= .cse0 18))) (or (not (<= 16 .cse0)) (and (<= 16 .cse1) (<= .cse2 16) (<= .cse1 16) (<= 16 .cse2) (<= |foo_#t~mem2| 17)) (not (<= .cse0 16))) (or (not (<= .cse0 17)) (not (<= 17 .cse0)) (and (<= |foo_#t~mem2| 18) (<= 17 .cse2) (<= .cse2 17) (<= 17 .cse1) (<= .cse1 17))))) [2020-07-08 22:10:36,319 INFO L264 CegarLoopResult]: At program point L10-3(line 10) the Hoare annotation is: (let ((.cse0 (select (select |old(#memory_int)| |foo_#in~p.base|) |foo_#in~p.offset|))) (and (or (not (<= .cse0 12)) (not (<= 12 .cse0))) (or (not (<= .cse0 14)) (not (<= 14 .cse0))) (or (not (<= 19 .cse0)) (not (<= .cse0 19))) (not (= 10 .cse0)) (or (not (<= 11 .cse0)) (not (<= .cse0 11))) (or (not (<= 13 .cse0)) (not (<= .cse0 13))) (or (not (<= .cse0 17)) (not (<= 17 .cse0))) (or (not (<= 16 .cse0)) (not (<= .cse0 16))) (or (not (= 20 .cse0)) (let ((.cse1 (select (select |#memory_int| foo_~p.base) foo_~p.offset))) (and (= 20 .cse1) (<= .cse1 |foo_#t~mem2|) (= 20 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|))))) (or (not (<= 15 .cse0)) (not (<= .cse0 15))) (or (not (<= 18 .cse0)) (not (<= .cse0 18))))) [2020-07-08 22:10:36,319 INFO L271 CegarLoopResult]: At program point L10-4(lines 9 18) the Hoare annotation is: true [2020-07-08 22:10:36,319 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-07-08 22:10:36,319 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-08 22:10:36,319 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-08 22:10:36,319 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-07-08 22:10:36,320 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 20 26) the Hoare annotation is: (= |#valid| |old(#valid)|) [2020-07-08 22:10:36,320 INFO L271 CegarLoopResult]: At program point mainFINAL(lines 20 26) the Hoare annotation is: true [2020-07-08 22:10:36,320 INFO L271 CegarLoopResult]: At program point L25(line 25) the Hoare annotation is: true [2020-07-08 22:10:36,320 INFO L271 CegarLoopResult]: At program point mainEXIT(lines 20 26) the Hoare annotation is: true [2020-07-08 22:10:36,320 INFO L271 CegarLoopResult]: At program point L24(line 24) the Hoare annotation is: true [2020-07-08 22:10:36,320 INFO L264 CegarLoopResult]: At program point L24-1(line 24) the Hoare annotation is: (= 10 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) [2020-07-08 22:10:36,320 INFO L264 CegarLoopResult]: At program point L22(line 22) the Hoare annotation is: (= |#valid| |old(#valid)|) [2020-07-08 22:10:36,320 INFO L271 CegarLoopResult]: At program point L22-1(line 22) the Hoare annotation is: true [2020-07-08 22:10:36,320 INFO L264 CegarLoopResult]: At program point L20(lines 20 26) the Hoare annotation is: (= |#valid| |old(#valid)|) [2020-07-08 22:10:36,320 INFO L271 CegarLoopResult]: At program point L22-2(line 22) the Hoare annotation is: true [2020-07-08 22:10:36,321 INFO L271 CegarLoopResult]: At program point L22-3(line 22) the Hoare annotation is: true [2020-07-08 22:10:36,321 INFO L264 CegarLoopResult]: At program point L5-4(line 5) the Hoare annotation is: (let ((.cse3 (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|))) (let ((.cse2 (select (select |old(#memory_int)| |plus_#in~p.base|) |plus_#in~p.offset|)) (.cse0 (select (select |#memory_int| plus_~p.base) plus_~p.offset)) (.cse1 (<= 18 .cse3))) (and (or (and (<= 18 |plus_#t~mem0|) (<= .cse0 19) .cse1 (<= |plus_#t~mem0| 18) (<= 19 .cse0)) (not (<= 18 .cse2)) (not (<= .cse2 18))) (or (not (<= .cse2 11)) (not (<= 11 .cse2)) (and (<= 12 .cse0) (<= .cse3 12) (<= 11 |plus_#t~mem0|) (<= .cse0 12) (<= |plus_#t~mem0| 11) (<= 11 .cse3))) (or (not (<= 17 .cse2)) (and (<= .cse3 18) (<= |plus_#t~mem0| 17) (<= 17 .cse3) (<= 18 .cse0) (<= 17 |plus_#t~mem0|) (<= .cse0 18)) (not (<= .cse2 17))) (or (not (<= .cse2 14)) (not (<= 14 .cse2)) (and (<= .cse3 15) (<= 14 .cse3) (<= 15 .cse0) (<= 14 |plus_#t~mem0|) (<= |plus_#t~mem0| 14) (<= .cse0 15))) (or (not (<= 16 .cse2)) (not (<= .cse2 16)) (and (<= 16 .cse3) (<= 17 .cse0) (<= .cse3 17) (<= 16 |plus_#t~mem0|) (<= |plus_#t~mem0| 16) (<= .cse0 17))) (or (not (<= .cse2 13)) (not (<= 13 .cse2)) (and (<= .cse0 14) (<= 14 .cse0) (<= 13 .cse3) (<= |plus_#t~mem0| 13) (<= .cse3 14) (<= 13 |plus_#t~mem0|))) (or (not (<= .cse2 15)) (not (<= 15 .cse2)) (and (<= 15 .cse3) (<= .cse0 16) (<= .cse3 16) (<= 15 |plus_#t~mem0|) (<= 16 .cse0) (<= |plus_#t~mem0| 15))) (or (not (<= 12 .cse2)) (and (<= |plus_#t~mem0| 12) (<= .cse0 13) (<= 12 |plus_#t~mem0|) (<= 12 .cse3) (<= 13 .cse0) (<= .cse3 13)) (not (<= .cse2 12))) (or (and (<= .cse3 11) (<= .cse0 11) (<= 11 .cse0) (= 10 |plus_#t~mem0|)) (not (= 10 .cse2))) (or (not (<= .cse2 19)) (not (<= 19 .cse2)) (and (<= |plus_#t~mem0| 19) (= 20 .cse0) (<= 19 |plus_#t~mem0|) .cse1))))) [2020-07-08 22:10:36,321 INFO L271 CegarLoopResult]: At program point plusFINAL(lines 4 7) the Hoare annotation is: true [2020-07-08 22:10:36,321 INFO L264 CegarLoopResult]: At program point plusENTRY(lines 4 7) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|)) (.cse1 (select (select |old(#memory_int)| |plus_#in~p.base|) |plus_#in~p.offset|))) (and (or (and (<= .cse0 18) (<= 18 .cse0)) (not (<= 18 .cse1)) (not (<= .cse1 18))) (or (not (<= .cse1 14)) (and (<= 14 .cse0) (<= .cse0 14)) (not (<= 14 .cse1))) (or (and (<= .cse0 17) (<= 17 .cse0)) (not (<= 17 .cse1)) (not (<= .cse1 17))) (or (not (<= .cse1 15)) (not (<= 15 .cse1)) (and (<= 15 .cse0) (<= .cse0 15))) (or (not (<= 16 .cse1)) (and (<= 16 .cse0) (<= .cse0 16)) (not (<= .cse1 16))) (or (not (= 10 .cse1)) (= 10 .cse0)) (or (not (<= .cse1 19)) (and (<= .cse0 19) (<= 19 .cse0)) (not (<= 19 .cse1))) (or (not (<= 12 .cse1)) (and (<= .cse0 12) (<= 12 .cse0)) (not (<= .cse1 12))) (or (and (<= 13 .cse0) (<= .cse0 13)) (not (<= .cse1 13)) (not (<= 13 .cse1))) (or (not (<= .cse1 11)) (and (<= .cse0 11) (<= 11 .cse0)) (not (<= 11 .cse1))))) [2020-07-08 22:10:36,322 INFO L271 CegarLoopResult]: At program point plusEXIT(lines 4 7) the Hoare annotation is: true [2020-07-08 22:10:36,322 INFO L264 CegarLoopResult]: At program point L6(line 6) the Hoare annotation is: (let ((.cse3 (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|))) (let ((.cse2 (<= 18 .cse3)) (.cse0 (select (select |old(#memory_int)| |plus_#in~p.base|) |plus_#in~p.offset|)) (.cse1 (select (select |#memory_int| plus_~p.base) plus_~p.offset))) (and (or (not (<= .cse0 19)) (and (= 20 .cse1) .cse2) (not (<= 19 .cse0))) (or (not (<= 12 .cse0)) (and (<= .cse1 13) (<= 12 .cse3) (<= 13 .cse1) (<= .cse3 13)) (not (<= .cse0 12))) (or (and (<= .cse1 19) .cse2 (<= 19 .cse1)) (not (<= 18 .cse0)) (not (<= .cse0 18))) (or (not (<= .cse0 13)) (not (<= 13 .cse0)) (and (<= .cse1 14) (<= 14 .cse1) (<= 13 .cse3) (<= .cse3 14))) (or (not (<= .cse0 11)) (not (<= 11 .cse0)) (and (<= 12 .cse1) (<= .cse3 12) (<= .cse1 12) (<= 11 .cse3))) (or (and (<= 16 .cse3) (<= 17 .cse1) (<= .cse3 17) (<= .cse1 17)) (not (<= 16 .cse0)) (not (<= .cse0 16))) (or (not (<= 17 .cse0)) (and (<= .cse3 18) (<= 17 .cse3) (<= 18 .cse1) (<= .cse1 18)) (not (<= .cse0 17))) (or (not (<= .cse0 15)) (not (<= 15 .cse0)) (and (<= 15 .cse3) (<= .cse1 16) (<= .cse3 16) (<= 16 .cse1))) (or (not (<= .cse0 14)) (and (<= .cse3 15) (<= 14 .cse3) (<= 15 .cse1) (<= .cse1 15)) (not (<= 14 .cse0))) (or (not (= 10 .cse0)) (and (<= .cse3 11) (<= .cse1 11) (<= 11 .cse1)))))) [2020-07-08 22:10:36,322 INFO L264 CegarLoopResult]: At program point L5(line 5) the Hoare annotation is: (let ((.cse1 (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|)) (.cse0 (select (select |#memory_int| plus_~p.base) plus_~p.offset)) (.cse2 (select (select |old(#memory_int)| |plus_#in~p.base|) |plus_#in~p.offset|))) (and (or (and (<= .cse0 14) (<= 14 .cse1) (<= 14 .cse0) (<= .cse1 14)) (not (<= .cse2 14)) (not (<= 14 .cse2))) (or (and (<= 12 .cse0) (<= .cse1 12) (<= .cse0 12) (<= 12 .cse1)) (not (<= 12 .cse2)) (not (<= .cse2 12))) (or (not (= 10 .cse2)) (and (= 10 .cse1) (= 10 .cse0))) (or (not (<= .cse2 11)) (not (<= 11 .cse2)) (and (<= .cse1 11) (<= .cse0 11) (<= 11 .cse0) (<= 11 .cse1))) (or (not (<= .cse2 15)) (and (<= 15 .cse1) (<= .cse1 15) (<= 15 .cse0) (<= .cse0 15)) (not (<= 15 .cse2))) (or (and (<= .cse1 19) (<= .cse0 19) (<= 19 .cse1) (<= 19 .cse0)) (not (<= .cse2 19)) (not (<= 19 .cse2))) (or (and (<= 16 .cse1) (<= .cse0 16) (<= .cse1 16) (<= 16 .cse0)) (not (<= 16 .cse2)) (not (<= .cse2 16))) (or (not (<= .cse2 13)) (not (<= 13 .cse2)) (and (<= .cse0 13) (<= 13 .cse1) (<= 13 .cse0) (<= .cse1 13))) (or (and (<= .cse1 18) (<= 18 .cse1) (<= 18 .cse0) (<= .cse0 18)) (not (<= 18 .cse2)) (not (<= .cse2 18))) (or (not (<= 17 .cse2)) (and (<= 17 .cse0) (<= .cse1 17) (<= 17 .cse1) (<= .cse0 17)) (not (<= .cse2 17))))) [2020-07-08 22:10:36,323 INFO L264 CegarLoopResult]: At program point L5-1(line 5) the Hoare annotation is: (let ((.cse0 (select (select |old(#memory_int)| |plus_#in~p.base|) |plus_#in~p.offset|)) (.cse2 (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|)) (.cse1 (select (select |#memory_int| plus_~p.base) plus_~p.offset))) (and (or (not (<= 12 .cse0)) (and (<= |plus_#t~mem0| 12) (<= 12 |plus_#t~mem0|) (<= 12 .cse1) (<= .cse2 12) (<= .cse1 12) (<= 12 .cse2)) (not (<= .cse0 12))) (or (not (<= .cse0 15)) (not (<= 15 .cse0)) (and (<= 15 .cse2) (<= .cse2 15) (<= 15 .cse1) (<= 15 |plus_#t~mem0|) (<= |plus_#t~mem0| 15) (<= .cse1 15))) (or (not (= 10 .cse0)) (and (= 10 .cse2) (= 10 .cse1) (= 10 |plus_#t~mem0|))) (or (not (<= .cse0 13)) (not (<= 13 .cse0)) (and (<= .cse1 13) (<= 13 .cse2) (<= 13 .cse1) (<= |plus_#t~mem0| 13) (<= .cse2 13) (<= 13 |plus_#t~mem0|))) (or (and (<= .cse2 11) (<= 11 |plus_#t~mem0|) (<= .cse1 11) (<= 11 .cse1) (<= |plus_#t~mem0| 11) (<= 11 .cse2)) (not (<= .cse0 11)) (not (<= 11 .cse0))) (or (not (<= .cse0 19)) (not (<= 19 .cse0)) (and (<= .cse2 19) (<= |plus_#t~mem0| 19) (<= 19 |plus_#t~mem0|) (<= .cse1 19) (<= 19 .cse2) (<= 19 .cse1))) (or (not (<= .cse0 14)) (and (<= .cse1 14) (<= 14 .cse2) (<= 14 |plus_#t~mem0|) (<= |plus_#t~mem0| 14) (<= 14 .cse1) (<= .cse2 14)) (not (<= 14 .cse0))) (or (and (<= .cse2 18) (<= 18 |plus_#t~mem0|) (<= 18 .cse2) (<= 18 .cse1) (<= |plus_#t~mem0| 18) (<= .cse1 18)) (not (<= 18 .cse0)) (not (<= .cse0 18))) (or (and (<= 17 .cse1) (<= .cse2 17) (<= |plus_#t~mem0| 17) (<= 17 .cse2) (<= 17 |plus_#t~mem0|) (<= .cse1 17)) (not (<= 17 .cse0)) (not (<= .cse0 17))) (or (not (<= 16 .cse0)) (not (<= .cse0 16)) (and (<= 16 .cse2) (<= .cse1 16) (<= .cse2 16) (<= 16 |plus_#t~mem0|) (<= 16 .cse1) (<= |plus_#t~mem0| 16))))) [2020-07-08 22:10:36,323 INFO L264 CegarLoopResult]: At program point L5-2(line 5) the Hoare annotation is: (let ((.cse1 (select (select |#memory_int| plus_~p.base) plus_~p.offset)) (.cse0 (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|)) (.cse2 (select (select |old(#memory_int)| |plus_#in~p.base|) |plus_#in~p.offset|))) (and (or (and (= 10 .cse0) (= 10 .cse1) (= 10 |plus_#t~post1|) (= 10 |plus_#t~mem0|)) (not (= 10 .cse2))) (or (not (<= .cse2 15)) (not (<= 15 .cse2)) (and (<= 15 .cse0) (<= .cse0 15) (<= 15 .cse1) (<= 15 |plus_#t~mem0|) (<= |plus_#t~mem0| 15) (<= |plus_#t~post1| 15) (<= 15 |plus_#t~post1|) (<= .cse1 15))) (or (and (<= 11 |plus_#t~post1|) (<= .cse0 11) (<= 11 |plus_#t~mem0|) (<= .cse1 11) (<= |plus_#t~post1| 11) (<= 11 .cse1) (<= |plus_#t~mem0| 11) (<= 11 .cse0)) (not (<= .cse2 11)) (not (<= 11 .cse2))) (or (not (<= 17 .cse2)) (not (<= .cse2 17)) (and (<= 17 .cse1) (<= .cse0 17) (<= |plus_#t~post1| 17) (<= |plus_#t~mem0| 17) (<= 17 .cse0) (<= 17 |plus_#t~mem0|) (<= 17 |plus_#t~post1|) (<= .cse1 17))) (or (not (<= 16 .cse2)) (not (<= .cse2 16)) (and (<= 16 .cse0) (<= |plus_#t~post1| 16) (<= .cse1 16) (<= .cse0 16) (<= 16 |plus_#t~mem0|) (<= 16 |plus_#t~post1|) (<= 16 .cse1) (<= |plus_#t~mem0| 16))) (or (not (<= .cse2 19)) (not (<= 19 .cse2)) (and (<= .cse0 19) (<= |plus_#t~mem0| 19) (<= 19 |plus_#t~mem0|) (= 19 |plus_#t~post1|) (<= .cse1 19) (<= 19 .cse0) (<= 19 .cse1))) (or (and (<= .cse0 18) (<= 18 |plus_#t~mem0|) (<= 18 .cse0) (<= |plus_#t~post1| 18) (<= 18 .cse1) (<= |plus_#t~mem0| 18) (<= .cse1 18) (<= 18 |plus_#t~post1|)) (not (<= 18 .cse2)) (not (<= .cse2 18))) (or (and (<= .cse1 14) (<= 14 .cse0) (<= 14 |plus_#t~mem0|) (<= 14 |plus_#t~post1|) (<= |plus_#t~mem0| 14) (<= 14 .cse1) (<= .cse0 14) (<= |plus_#t~post1| 14)) (not (<= .cse2 14)) (not (<= 14 .cse2))) (or (and (<= |plus_#t~mem0| 12) (<= 12 |plus_#t~mem0|) (<= 12 .cse1) (<= .cse0 12) (<= .cse1 12) (<= 12 |plus_#t~post1|) (<= 12 .cse0) (<= |plus_#t~post1| 12)) (not (<= 12 .cse2)) (not (<= .cse2 12))) (or (and (<= .cse1 13) (<= 13 |plus_#t~post1|) (<= 13 .cse0) (<= 13 .cse1) (<= |plus_#t~mem0| 13) (<= |plus_#t~post1| 13) (<= .cse0 13) (<= 13 |plus_#t~mem0|)) (not (<= .cse2 13)) (not (<= 13 .cse2))))) [2020-07-08 22:10:36,324 INFO L264 CegarLoopResult]: At program point L5-3(line 5) the Hoare annotation is: (let ((.cse2 (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|))) (let ((.cse0 (select (select |old(#memory_int)| |plus_#in~p.base|) |plus_#in~p.offset|)) (.cse1 (select (select |#memory_int| plus_~p.base) plus_~p.offset)) (.cse3 (<= 18 .cse2))) (and (or (not (<= .cse0 13)) (not (<= 13 .cse0)) (and (<= .cse1 14) (<= 14 .cse1) (<= 13 |plus_#t~post1|) (<= 13 .cse2) (<= |plus_#t~mem0| 13) (<= .cse2 14) (<= |plus_#t~post1| 13) (<= 13 |plus_#t~mem0|))) (or (and (<= 18 |plus_#t~mem0|) (<= .cse1 19) .cse3 (<= |plus_#t~post1| 18) (<= |plus_#t~mem0| 18) (<= 18 |plus_#t~post1|) (<= 19 .cse1)) (not (<= 18 .cse0)) (not (<= .cse0 18))) (or (and (<= 15 .cse2) (<= .cse1 16) (<= .cse2 16) (<= 15 |plus_#t~mem0|) (<= 16 .cse1) (<= |plus_#t~mem0| 15) (<= |plus_#t~post1| 15) (<= 15 |plus_#t~post1|)) (not (<= .cse0 15)) (not (<= 15 .cse0))) (or (not (<= .cse0 11)) (not (<= 11 .cse0)) (and (<= 11 |plus_#t~post1|) (<= 12 .cse1) (<= .cse2 12) (<= 11 |plus_#t~mem0|) (<= .cse1 12) (<= |plus_#t~post1| 11) (<= |plus_#t~mem0| 11) (<= 11 .cse2))) (or (not (<= 16 .cse0)) (not (<= .cse0 16)) (and (<= 16 .cse2) (<= |plus_#t~post1| 16) (<= 17 .cse1) (<= .cse2 17) (<= 16 |plus_#t~mem0|) (<= 16 |plus_#t~post1|) (<= |plus_#t~mem0| 16) (<= .cse1 17))) (or (not (= 10 .cse0)) (and (<= .cse2 11) (<= .cse1 11) (<= 11 .cse1) (= 10 |plus_#t~post1|) (= 10 |plus_#t~mem0|))) (or (not (<= 17 .cse0)) (not (<= .cse0 17)) (and (<= .cse2 18) (<= |plus_#t~post1| 17) (<= |plus_#t~mem0| 17) (<= 17 .cse2) (<= 18 .cse1) (<= 17 |plus_#t~mem0|) (<= 17 |plus_#t~post1|) (<= .cse1 18))) (or (not (<= .cse0 14)) (and (<= .cse2 15) (<= 14 .cse2) (<= 15 .cse1) (<= 14 |plus_#t~mem0|) (<= 14 |plus_#t~post1|) (<= |plus_#t~mem0| 14) (<= .cse1 15) (<= |plus_#t~post1| 14)) (not (<= 14 .cse0))) (or (and (<= |plus_#t~mem0| 12) (<= .cse1 13) (<= 12 |plus_#t~mem0|) (<= 12 |plus_#t~post1|) (<= 12 .cse2) (<= |plus_#t~post1| 12) (<= 13 .cse1) (<= .cse2 13)) (not (<= 12 .cse0)) (not (<= .cse0 12))) (or (not (<= .cse0 19)) (not (<= 19 .cse0)) (and (<= |plus_#t~mem0| 19) (= 20 .cse1) (<= 19 |plus_#t~mem0|) (= 19 |plus_#t~post1|) .cse3))))) [2020-07-08 22:10:36,390 INFO L163 areAnnotationChecker]: CFG has 45 edges. 45 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-08 22:10:36,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.07 10:10:36 BoogieIcfgContainer [2020-07-08 22:10:36,399 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-08 22:10:36,403 INFO L168 Benchmark]: Toolchain (without parser) took 82648.69 ms. Allocated memory was 138.4 MB in the beginning and 525.9 MB in the end (delta: 387.4 MB). Free memory was 102.5 MB in the beginning and 151.4 MB in the end (delta: -49.0 MB). Peak memory consumption was 338.5 MB. Max. memory is 7.1 GB. [2020-07-08 22:10:36,404 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 138.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-08 22:10:36,404 INFO L168 Benchmark]: CACSL2BoogieTranslator took 250.81 ms. Allocated memory is still 138.4 MB. Free memory was 102.3 MB in the beginning and 92.3 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2020-07-08 22:10:36,405 INFO L168 Benchmark]: Boogie Preprocessor took 136.21 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 92.3 MB in the beginning and 181.0 MB in the end (delta: -88.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. [2020-07-08 22:10:36,405 INFO L168 Benchmark]: RCFGBuilder took 380.27 ms. Allocated memory is still 203.4 MB. Free memory was 181.0 MB in the beginning and 159.4 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. [2020-07-08 22:10:36,406 INFO L168 Benchmark]: TraceAbstraction took 81874.13 ms. Allocated memory was 203.4 MB in the beginning and 525.9 MB in the end (delta: 322.4 MB). Free memory was 158.7 MB in the beginning and 151.4 MB in the end (delta: 7.3 MB). Peak memory consumption was 329.7 MB. Max. memory is 7.1 GB. [2020-07-08 22:10:36,408 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 138.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 250.81 ms. Allocated memory is still 138.4 MB. Free memory was 102.3 MB in the beginning and 92.3 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 136.21 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 92.3 MB in the beginning and 181.0 MB in the end (delta: -88.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 380.27 ms. Allocated memory is still 203.4 MB. Free memory was 181.0 MB in the beginning and 159.4 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 81874.13 ms. Allocated memory was 203.4 MB in the beginning and 525.9 MB in the end (delta: 322.4 MB). Free memory was 158.7 MB in the beginning and 151.4 MB in the end (delta: 7.3 MB). Peak memory consumption was 329.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 16]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 9]: Procedure Contract for foo Derived contract for procedure foo: 1 - ProcedureContractResult [Line: 20]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 4]: Procedure Contract for plus Derived contract for procedure plus: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 74.2s, OverallIterations: 11, TraceHistogramMax: 11, AutomataDifference: 55.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 327 SDtfs, 1800 SDslu, 2760 SDs, 0 SdLazy, 7948 SolverSat, 430 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1017 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 940 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27015 ImplicationChecksByTransitivity, 36.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=143occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.7s AutomataMinimizationTime, 11 MinimizatonAttempts, 20 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 287 PreInvPairs, 339 NumberOfFragments, 6558 HoareAnnotationTreeSize, 287 FomulaSimplifications, 148628 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 43 FomulaSimplificationsInter, 2770 FormulaSimplificationTreeSizeReductionInter, 6.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 13.1s InterpolantComputationTime, 902 NumberOfCodeBlocks, 902 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 891 ConstructedInterpolants, 0 QuantifiedInterpolants, 492192 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 1 PerfectInterpolantSequences, 485/2145 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...