/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/array-fpi/indp3f.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-46f3038-m [2020-07-08 23:35:26,314 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 23:35:26,317 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 23:35:26,336 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-08 23:35:26,336 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-08 23:35:26,338 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-08 23:35:26,340 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-08 23:35:26,345 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-08 23:35:26,346 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-08 23:35:26,347 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-08 23:35:26,348 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-08 23:35:26,349 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-08 23:35:26,350 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 23:35:26,351 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 23:35:26,352 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 23:35:26,353 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 23:35:26,354 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 23:35:26,355 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 23:35:26,357 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 23:35:26,359 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 23:35:26,361 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 23:35:26,362 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 23:35:26,363 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 23:35:26,364 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 23:35:26,366 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-08 23:35:26,367 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-08 23:35:26,367 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-08 23:35:26,368 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-08 23:35:26,368 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-08 23:35:26,369 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-08 23:35:26,370 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-08 23:35:26,370 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-08 23:35:26,371 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-08 23:35:26,372 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-08 23:35:26,373 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-08 23:35:26,373 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-08 23:35:26,374 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-08 23:35:26,374 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-08 23:35:26,374 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-08 23:35:26,375 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-08 23:35:26,376 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-08 23:35:26,377 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 23:35:26,387 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 23:35:26,387 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 23:35:26,388 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 23:35:26,389 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-08 23:35:26,389 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 23:35:26,389 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-08 23:35:26,389 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 23:35:26,389 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 23:35:26,390 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 23:35:26,390 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 23:35:26,390 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-08 23:35:26,390 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 23:35:26,390 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 23:35:26,391 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 23:35:26,391 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 23:35:26,391 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-08 23:35:26,391 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 23:35:26,391 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 23:35:26,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 23:35:26,392 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 23:35:26,392 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-08 23:35:26,392 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 23:35:26,392 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 23:35:26,694 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 23:35:26,707 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 23:35:26,710 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 23:35:26,712 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 23:35:26,712 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 23:35:26,715 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/indp3f.c [2020-07-08 23:35:26,794 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/945fe04e1/c1861971763542f7a8b02fa2884b37bc/FLAG4d7e55f83 [2020-07-08 23:35:27,287 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 23:35:27,287 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/indp3f.c [2020-07-08 23:35:27,295 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/945fe04e1/c1861971763542f7a8b02fa2884b37bc/FLAG4d7e55f83 [2020-07-08 23:35:27,641 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/945fe04e1/c1861971763542f7a8b02fa2884b37bc [2020-07-08 23:35:27,650 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 23:35:27,654 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 23:35:27,655 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 23:35:27,655 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 23:35:27,658 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 23:35:27,660 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 11:35:27" (1/1) ... [2020-07-08 23:35:27,663 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42359016 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:35:27, skipping insertion in model container [2020-07-08 23:35:27,664 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 11:35:27" (1/1) ... [2020-07-08 23:35:27,672 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 23:35:27,693 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 23:35:27,896 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 23:35:27,914 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 23:35:27,936 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 23:35:27,957 INFO L208 MainTranslator]: Completed translation [2020-07-08 23:35:27,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:35:27 WrapperNode [2020-07-08 23:35:27,958 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 23:35:27,958 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 23:35:27,958 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 23:35:27,959 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 23:35:28,058 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:35:27" (1/1) ... [2020-07-08 23:35:28,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:35:27" (1/1) ... [2020-07-08 23:35:28,067 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:35:27" (1/1) ... [2020-07-08 23:35:28,067 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:35:27" (1/1) ... [2020-07-08 23:35:28,080 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:35:27" (1/1) ... [2020-07-08 23:35:28,088 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:35:27" (1/1) ... [2020-07-08 23:35:28,090 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:35:27" (1/1) ... [2020-07-08 23:35:28,092 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 23:35:28,093 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 23:35:28,093 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 23:35:28,093 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 23:35:28,095 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:35:27" (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 23:35:28,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 23:35:28,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 23:35:28,158 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-08 23:35:28,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-08 23:35:28,158 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 23:35:28,158 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 23:35:28,158 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-08 23:35:28,158 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-08 23:35:28,159 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-08 23:35:28,159 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-08 23:35:28,159 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-08 23:35:28,159 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 23:35:28,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-08 23:35:28,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-08 23:35:28,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-08 23:35:28,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 23:35:28,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 23:35:28,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-08 23:35:28,673 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 23:35:28,673 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-08 23:35:28,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 11:35:28 BoogieIcfgContainer [2020-07-08 23:35:28,679 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 23:35:28,680 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 23:35:28,680 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 23:35:28,684 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 23:35:28,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 11:35:27" (1/3) ... [2020-07-08 23:35:28,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35b517f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 11:35:28, skipping insertion in model container [2020-07-08 23:35:28,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:35:27" (2/3) ... [2020-07-08 23:35:28,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35b517f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 11:35:28, skipping insertion in model container [2020-07-08 23:35:28,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 11:35:28" (3/3) ... [2020-07-08 23:35:28,689 INFO L109 eAbstractionObserver]: Analyzing ICFG indp3f.c [2020-07-08 23:35:28,701 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-08 23:35:28,710 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-08 23:35:28,726 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-08 23:35:28,753 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 23:35:28,754 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 23:35:28,754 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-08 23:35:28,754 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 23:35:28,754 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 23:35:28,755 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 23:35:28,755 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 23:35:28,755 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 23:35:28,774 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2020-07-08 23:35:28,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-07-08 23:35:28,789 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 23:35:28,790 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 23:35:28,791 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 23:35:28,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 23:35:28,798 INFO L82 PathProgramCache]: Analyzing trace with hash 13261349, now seen corresponding path program 1 times [2020-07-08 23:35:28,809 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 23:35:28,810 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [841620631] [2020-07-08 23:35:28,810 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 23:35:28,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:35:29,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:35:29,092 INFO L280 TraceCheckUtils]: 0: Hoare triple {86#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~N~0 |old(~N~0)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {74#true} is VALID [2020-07-08 23:35:29,093 INFO L280 TraceCheckUtils]: 1: Hoare triple {74#true} #valid := #valid[0 := 0]; {74#true} is VALID [2020-07-08 23:35:29,093 INFO L280 TraceCheckUtils]: 2: Hoare triple {74#true} assume 0 < #StackHeapBarrier; {74#true} is VALID [2020-07-08 23:35:29,094 INFO L280 TraceCheckUtils]: 3: Hoare triple {74#true} ~N~0 := 0; {74#true} is VALID [2020-07-08 23:35:29,094 INFO L280 TraceCheckUtils]: 4: Hoare triple {74#true} assume true; {74#true} is VALID [2020-07-08 23:35:29,095 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {74#true} {74#true} #140#return; {74#true} is VALID [2020-07-08 23:35:29,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:35:29,106 INFO L280 TraceCheckUtils]: 0: Hoare triple {74#true} ~cond := #in~cond; {74#true} is VALID [2020-07-08 23:35:29,106 INFO L280 TraceCheckUtils]: 1: Hoare triple {74#true} assume !(0 == ~cond); {74#true} is VALID [2020-07-08 23:35:29,107 INFO L280 TraceCheckUtils]: 2: Hoare triple {74#true} assume true; {74#true} is VALID [2020-07-08 23:35:29,107 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {74#true} {74#true} #136#return; {74#true} is VALID [2020-07-08 23:35:29,109 INFO L263 TraceCheckUtils]: 0: Hoare triple {74#true} call ULTIMATE.init(); {86#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~N~0 |old(~N~0)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 23:35:29,110 INFO L280 TraceCheckUtils]: 1: Hoare triple {86#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~N~0 |old(~N~0)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {74#true} is VALID [2020-07-08 23:35:29,110 INFO L280 TraceCheckUtils]: 2: Hoare triple {74#true} #valid := #valid[0 := 0]; {74#true} is VALID [2020-07-08 23:35:29,111 INFO L280 TraceCheckUtils]: 3: Hoare triple {74#true} assume 0 < #StackHeapBarrier; {74#true} is VALID [2020-07-08 23:35:29,111 INFO L280 TraceCheckUtils]: 4: Hoare triple {74#true} ~N~0 := 0; {74#true} is VALID [2020-07-08 23:35:29,112 INFO L280 TraceCheckUtils]: 5: Hoare triple {74#true} assume true; {74#true} is VALID [2020-07-08 23:35:29,112 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {74#true} {74#true} #140#return; {74#true} is VALID [2020-07-08 23:35:29,112 INFO L263 TraceCheckUtils]: 7: Hoare triple {74#true} call #t~ret11 := main(); {74#true} is VALID [2020-07-08 23:35:29,113 INFO L280 TraceCheckUtils]: 8: Hoare triple {74#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {74#true} is VALID [2020-07-08 23:35:29,113 INFO L280 TraceCheckUtils]: 9: Hoare triple {74#true} ~N~0 := #t~nondet0; {74#true} is VALID [2020-07-08 23:35:29,114 INFO L280 TraceCheckUtils]: 10: Hoare triple {74#true} havoc #t~nondet0; {74#true} is VALID [2020-07-08 23:35:29,114 INFO L280 TraceCheckUtils]: 11: Hoare triple {74#true} assume !(~N~0 <= 0); {74#true} is VALID [2020-07-08 23:35:29,115 INFO L263 TraceCheckUtils]: 12: Hoare triple {74#true} call assume_abort_if_not((if ~N~0 <= 536870911 then 1 else 0)); {74#true} is VALID [2020-07-08 23:35:29,115 INFO L280 TraceCheckUtils]: 13: Hoare triple {74#true} ~cond := #in~cond; {74#true} is VALID [2020-07-08 23:35:29,115 INFO L280 TraceCheckUtils]: 14: Hoare triple {74#true} assume !(0 == ~cond); {74#true} is VALID [2020-07-08 23:35:29,116 INFO L280 TraceCheckUtils]: 15: Hoare triple {74#true} assume true; {74#true} is VALID [2020-07-08 23:35:29,116 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {74#true} {74#true} #136#return; {74#true} is VALID [2020-07-08 23:35:29,117 INFO L280 TraceCheckUtils]: 17: Hoare triple {74#true} havoc ~i~0; {74#true} is VALID [2020-07-08 23:35:29,117 INFO L280 TraceCheckUtils]: 18: Hoare triple {74#true} SUMMARY for call #t~malloc1.base, #t~malloc1.offset := #Ultimate.allocOnHeap(8 * ~N~0); srcloc: L26 {74#true} is VALID [2020-07-08 23:35:29,118 INFO L280 TraceCheckUtils]: 19: Hoare triple {74#true} ~a~0.base, ~a~0.offset := #t~malloc1.base, #t~malloc1.offset; {74#true} is VALID [2020-07-08 23:35:29,118 INFO L280 TraceCheckUtils]: 20: Hoare triple {74#true} ~i~0 := 0; {74#true} is VALID [2020-07-08 23:35:29,119 INFO L280 TraceCheckUtils]: 21: Hoare triple {74#true} assume !true; {75#false} is VALID [2020-07-08 23:35:29,120 INFO L280 TraceCheckUtils]: 22: Hoare triple {75#false} ~i~0 := 0; {75#false} is VALID [2020-07-08 23:35:29,120 INFO L280 TraceCheckUtils]: 23: Hoare triple {75#false} assume !true; {75#false} is VALID [2020-07-08 23:35:29,120 INFO L280 TraceCheckUtils]: 24: Hoare triple {75#false} ~i~0 := 0; {75#false} is VALID [2020-07-08 23:35:29,121 INFO L280 TraceCheckUtils]: 25: Hoare triple {75#false} assume !true; {75#false} is VALID [2020-07-08 23:35:29,121 INFO L280 TraceCheckUtils]: 26: Hoare triple {75#false} ~i~0 := 0; {75#false} is VALID [2020-07-08 23:35:29,122 INFO L280 TraceCheckUtils]: 27: Hoare triple {75#false} assume !(~i~0 < ~N~0); {75#false} is VALID [2020-07-08 23:35:29,122 INFO L280 TraceCheckUtils]: 28: Hoare triple {75#false} ~i~0 := 0; {75#false} is VALID [2020-07-08 23:35:29,123 INFO L280 TraceCheckUtils]: 29: Hoare triple {75#false} assume !!(~i~0 < ~N~0); {75#false} is VALID [2020-07-08 23:35:29,123 INFO L280 TraceCheckUtils]: 30: Hoare triple {75#false} SUMMARY for call #t~mem10 := read~int(~a~0.base, ~a~0.offset + 8 * ~i~0, 8); srcloc: L50 {75#false} is VALID [2020-07-08 23:35:29,123 INFO L263 TraceCheckUtils]: 31: Hoare triple {75#false} call __VERIFIER_assert((if #t~mem10 == 1 + ~i~0 * ~i~0 then 1 else 0)); {75#false} is VALID [2020-07-08 23:35:29,124 INFO L280 TraceCheckUtils]: 32: Hoare triple {75#false} ~cond := #in~cond; {75#false} is VALID [2020-07-08 23:35:29,124 INFO L280 TraceCheckUtils]: 33: Hoare triple {75#false} assume 0 == ~cond; {75#false} is VALID [2020-07-08 23:35:29,125 INFO L280 TraceCheckUtils]: 34: Hoare triple {75#false} assume !false; {75#false} is VALID [2020-07-08 23:35:29,131 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 23:35:29,132 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [841620631] [2020-07-08 23:35:29,135 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 23:35:29,136 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-08 23:35:29,137 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761208383] [2020-07-08 23:35:29,145 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2020-07-08 23:35:29,148 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 23:35:29,153 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-08 23:35:29,216 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 23:35:29,217 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-08 23:35:29,217 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 23:35:29,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-08 23:35:29,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-08 23:35:29,229 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 3 states. [2020-07-08 23:35:29,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:35:29,738 INFO L93 Difference]: Finished difference Result 125 states and 148 transitions. [2020-07-08 23:35:29,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-08 23:35:29,739 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2020-07-08 23:35:29,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 23:35:29,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 23:35:29,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 148 transitions. [2020-07-08 23:35:29,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 23:35:29,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 148 transitions. [2020-07-08 23:35:29,784 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 148 transitions. [2020-07-08 23:35:29,965 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 148 edges. 148 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:35:29,995 INFO L225 Difference]: With dead ends: 125 [2020-07-08 23:35:29,995 INFO L226 Difference]: Without dead ends: 64 [2020-07-08 23:35:30,002 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-08 23:35:30,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-07-08 23:35:30,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2020-07-08 23:35:30,086 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 23:35:30,087 INFO L82 GeneralOperation]: Start isEquivalent. First operand 64 states. Second operand 64 states. [2020-07-08 23:35:30,088 INFO L74 IsIncluded]: Start isIncluded. First operand 64 states. Second operand 64 states. [2020-07-08 23:35:30,088 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 64 states. [2020-07-08 23:35:30,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:35:30,094 INFO L93 Difference]: Finished difference Result 64 states and 68 transitions. [2020-07-08 23:35:30,094 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2020-07-08 23:35:30,095 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:35:30,096 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:35:30,096 INFO L74 IsIncluded]: Start isIncluded. First operand 64 states. Second operand 64 states. [2020-07-08 23:35:30,096 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 64 states. [2020-07-08 23:35:30,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:35:30,102 INFO L93 Difference]: Finished difference Result 64 states and 68 transitions. [2020-07-08 23:35:30,102 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2020-07-08 23:35:30,103 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:35:30,104 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:35:30,104 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 23:35:30,104 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 23:35:30,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-07-08 23:35:30,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 68 transitions. [2020-07-08 23:35:30,110 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 68 transitions. Word has length 35 [2020-07-08 23:35:30,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 23:35:30,111 INFO L479 AbstractCegarLoop]: Abstraction has 64 states and 68 transitions. [2020-07-08 23:35:30,111 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-08 23:35:30,111 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 64 states and 68 transitions. [2020-07-08 23:35:30,194 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 68 edges. 68 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:35:30,194 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2020-07-08 23:35:30,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-07-08 23:35:30,196 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 23:35:30,196 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 23:35:30,196 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 23:35:30,196 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 23:35:30,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 23:35:30,197 INFO L82 PathProgramCache]: Analyzing trace with hash 1010060324, now seen corresponding path program 1 times [2020-07-08 23:35:30,197 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 23:35:30,198 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2052622739] [2020-07-08 23:35:30,198 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 23:35:30,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:35:30,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:35:30,333 INFO L280 TraceCheckUtils]: 0: Hoare triple {609#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~N~0 |old(~N~0)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {595#true} is VALID [2020-07-08 23:35:30,334 INFO L280 TraceCheckUtils]: 1: Hoare triple {595#true} #valid := #valid[0 := 0]; {595#true} is VALID [2020-07-08 23:35:30,334 INFO L280 TraceCheckUtils]: 2: Hoare triple {595#true} assume 0 < #StackHeapBarrier; {595#true} is VALID [2020-07-08 23:35:30,334 INFO L280 TraceCheckUtils]: 3: Hoare triple {595#true} ~N~0 := 0; {595#true} is VALID [2020-07-08 23:35:30,334 INFO L280 TraceCheckUtils]: 4: Hoare triple {595#true} assume true; {595#true} is VALID [2020-07-08 23:35:30,335 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {595#true} {595#true} #140#return; {595#true} is VALID [2020-07-08 23:35:30,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:35:30,343 INFO L280 TraceCheckUtils]: 0: Hoare triple {595#true} ~cond := #in~cond; {595#true} is VALID [2020-07-08 23:35:30,343 INFO L280 TraceCheckUtils]: 1: Hoare triple {595#true} assume !(0 == ~cond); {595#true} is VALID [2020-07-08 23:35:30,344 INFO L280 TraceCheckUtils]: 2: Hoare triple {595#true} assume true; {595#true} is VALID [2020-07-08 23:35:30,345 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {595#true} {603#(<= 1 ~N~0)} #136#return; {603#(<= 1 ~N~0)} is VALID [2020-07-08 23:35:30,346 INFO L263 TraceCheckUtils]: 0: Hoare triple {595#true} call ULTIMATE.init(); {609#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~N~0 |old(~N~0)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 23:35:30,346 INFO L280 TraceCheckUtils]: 1: Hoare triple {609#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~N~0 |old(~N~0)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {595#true} is VALID [2020-07-08 23:35:30,346 INFO L280 TraceCheckUtils]: 2: Hoare triple {595#true} #valid := #valid[0 := 0]; {595#true} is VALID [2020-07-08 23:35:30,347 INFO L280 TraceCheckUtils]: 3: Hoare triple {595#true} assume 0 < #StackHeapBarrier; {595#true} is VALID [2020-07-08 23:35:30,347 INFO L280 TraceCheckUtils]: 4: Hoare triple {595#true} ~N~0 := 0; {595#true} is VALID [2020-07-08 23:35:30,347 INFO L280 TraceCheckUtils]: 5: Hoare triple {595#true} assume true; {595#true} is VALID [2020-07-08 23:35:30,348 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {595#true} {595#true} #140#return; {595#true} is VALID [2020-07-08 23:35:30,348 INFO L263 TraceCheckUtils]: 7: Hoare triple {595#true} call #t~ret11 := main(); {595#true} is VALID [2020-07-08 23:35:30,348 INFO L280 TraceCheckUtils]: 8: Hoare triple {595#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {595#true} is VALID [2020-07-08 23:35:30,349 INFO L280 TraceCheckUtils]: 9: Hoare triple {595#true} ~N~0 := #t~nondet0; {595#true} is VALID [2020-07-08 23:35:30,349 INFO L280 TraceCheckUtils]: 10: Hoare triple {595#true} havoc #t~nondet0; {595#true} is VALID [2020-07-08 23:35:30,350 INFO L280 TraceCheckUtils]: 11: Hoare triple {595#true} assume !(~N~0 <= 0); {603#(<= 1 ~N~0)} is VALID [2020-07-08 23:35:30,350 INFO L263 TraceCheckUtils]: 12: Hoare triple {603#(<= 1 ~N~0)} call assume_abort_if_not((if ~N~0 <= 536870911 then 1 else 0)); {595#true} is VALID [2020-07-08 23:35:30,351 INFO L280 TraceCheckUtils]: 13: Hoare triple {595#true} ~cond := #in~cond; {595#true} is VALID [2020-07-08 23:35:30,351 INFO L280 TraceCheckUtils]: 14: Hoare triple {595#true} assume !(0 == ~cond); {595#true} is VALID [2020-07-08 23:35:30,351 INFO L280 TraceCheckUtils]: 15: Hoare triple {595#true} assume true; {595#true} is VALID [2020-07-08 23:35:30,353 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {595#true} {603#(<= 1 ~N~0)} #136#return; {603#(<= 1 ~N~0)} is VALID [2020-07-08 23:35:30,353 INFO L280 TraceCheckUtils]: 17: Hoare triple {603#(<= 1 ~N~0)} havoc ~i~0; {603#(<= 1 ~N~0)} is VALID [2020-07-08 23:35:30,354 INFO L280 TraceCheckUtils]: 18: Hoare triple {603#(<= 1 ~N~0)} SUMMARY for call #t~malloc1.base, #t~malloc1.offset := #Ultimate.allocOnHeap(8 * ~N~0); srcloc: L26 {603#(<= 1 ~N~0)} is VALID [2020-07-08 23:35:30,355 INFO L280 TraceCheckUtils]: 19: Hoare triple {603#(<= 1 ~N~0)} ~a~0.base, ~a~0.offset := #t~malloc1.base, #t~malloc1.offset; {603#(<= 1 ~N~0)} is VALID [2020-07-08 23:35:30,356 INFO L280 TraceCheckUtils]: 20: Hoare triple {603#(<= 1 ~N~0)} ~i~0 := 0; {608#(and (= 0 main_~i~0) (<= 1 ~N~0))} is VALID [2020-07-08 23:35:30,357 INFO L280 TraceCheckUtils]: 21: Hoare triple {608#(and (= 0 main_~i~0) (<= 1 ~N~0))} assume !(~i~0 < ~N~0); {596#false} is VALID [2020-07-08 23:35:30,357 INFO L280 TraceCheckUtils]: 22: Hoare triple {596#false} ~i~0 := 0; {596#false} is VALID [2020-07-08 23:35:30,357 INFO L280 TraceCheckUtils]: 23: Hoare triple {596#false} assume !(~i~0 < ~N~0); {596#false} is VALID [2020-07-08 23:35:30,357 INFO L280 TraceCheckUtils]: 24: Hoare triple {596#false} ~i~0 := 0; {596#false} is VALID [2020-07-08 23:35:30,358 INFO L280 TraceCheckUtils]: 25: Hoare triple {596#false} assume !(~i~0 < ~N~0); {596#false} is VALID [2020-07-08 23:35:30,358 INFO L280 TraceCheckUtils]: 26: Hoare triple {596#false} ~i~0 := 0; {596#false} is VALID [2020-07-08 23:35:30,358 INFO L280 TraceCheckUtils]: 27: Hoare triple {596#false} assume !(~i~0 < ~N~0); {596#false} is VALID [2020-07-08 23:35:30,359 INFO L280 TraceCheckUtils]: 28: Hoare triple {596#false} ~i~0 := 0; {596#false} is VALID [2020-07-08 23:35:30,359 INFO L280 TraceCheckUtils]: 29: Hoare triple {596#false} assume !!(~i~0 < ~N~0); {596#false} is VALID [2020-07-08 23:35:30,359 INFO L280 TraceCheckUtils]: 30: Hoare triple {596#false} SUMMARY for call #t~mem10 := read~int(~a~0.base, ~a~0.offset + 8 * ~i~0, 8); srcloc: L50 {596#false} is VALID [2020-07-08 23:35:30,360 INFO L263 TraceCheckUtils]: 31: Hoare triple {596#false} call __VERIFIER_assert((if #t~mem10 == 1 + ~i~0 * ~i~0 then 1 else 0)); {596#false} is VALID [2020-07-08 23:35:30,360 INFO L280 TraceCheckUtils]: 32: Hoare triple {596#false} ~cond := #in~cond; {596#false} is VALID [2020-07-08 23:35:30,360 INFO L280 TraceCheckUtils]: 33: Hoare triple {596#false} assume 0 == ~cond; {596#false} is VALID [2020-07-08 23:35:30,361 INFO L280 TraceCheckUtils]: 34: Hoare triple {596#false} assume !false; {596#false} is VALID [2020-07-08 23:35:30,363 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 23:35:30,364 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2052622739] [2020-07-08 23:35:30,364 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 23:35:30,364 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-08 23:35:30,365 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392610738] [2020-07-08 23:35:30,367 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2020-07-08 23:35:30,367 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 23:35:30,367 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-08 23:35:30,413 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 23:35:30,413 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-08 23:35:30,414 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 23:35:30,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-08 23:35:30,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-08 23:35:30,415 INFO L87 Difference]: Start difference. First operand 64 states and 68 transitions. Second operand 5 states. [2020-07-08 23:35:31,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:35:31,184 INFO L93 Difference]: Finished difference Result 130 states and 142 transitions. [2020-07-08 23:35:31,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-08 23:35:31,184 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2020-07-08 23:35:31,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 23:35:31,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-08 23:35:31,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 142 transitions. [2020-07-08 23:35:31,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-08 23:35:31,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 142 transitions. [2020-07-08 23:35:31,195 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 142 transitions. [2020-07-08 23:35:31,379 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 23:35:31,384 INFO L225 Difference]: With dead ends: 130 [2020-07-08 23:35:31,384 INFO L226 Difference]: Without dead ends: 92 [2020-07-08 23:35:31,386 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-08 23:35:31,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-07-08 23:35:31,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 68. [2020-07-08 23:35:31,508 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 23:35:31,508 INFO L82 GeneralOperation]: Start isEquivalent. First operand 92 states. Second operand 68 states. [2020-07-08 23:35:31,508 INFO L74 IsIncluded]: Start isIncluded. First operand 92 states. Second operand 68 states. [2020-07-08 23:35:31,509 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 68 states. [2020-07-08 23:35:31,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:35:31,515 INFO L93 Difference]: Finished difference Result 92 states and 97 transitions. [2020-07-08 23:35:31,515 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 97 transitions. [2020-07-08 23:35:31,516 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:35:31,517 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:35:31,517 INFO L74 IsIncluded]: Start isIncluded. First operand 68 states. Second operand 92 states. [2020-07-08 23:35:31,517 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 92 states. [2020-07-08 23:35:31,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:35:31,523 INFO L93 Difference]: Finished difference Result 92 states and 97 transitions. [2020-07-08 23:35:31,523 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 97 transitions. [2020-07-08 23:35:31,524 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:35:31,524 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:35:31,524 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 23:35:31,524 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 23:35:31,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-07-08 23:35:31,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 72 transitions. [2020-07-08 23:35:31,531 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 72 transitions. Word has length 35 [2020-07-08 23:35:31,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 23:35:31,531 INFO L479 AbstractCegarLoop]: Abstraction has 68 states and 72 transitions. [2020-07-08 23:35:31,531 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-08 23:35:31,532 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 68 states and 72 transitions. [2020-07-08 23:35:31,638 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 72 edges. 72 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:35:31,638 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 72 transitions. [2020-07-08 23:35:31,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-08 23:35:31,640 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 23:35:31,641 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 23:35:31,641 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-08 23:35:31,641 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 23:35:31,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 23:35:31,642 INFO L82 PathProgramCache]: Analyzing trace with hash 1919266361, now seen corresponding path program 1 times [2020-07-08 23:35:31,642 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 23:35:31,642 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [644184146] [2020-07-08 23:35:31,642 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 23:35:31,679 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-07-08 23:35:31,679 WARN L168 FreeRefinementEngine]: Strategy FIXED_PREFERENCES was unsuccessful and could not determine trace feasibility [2020-07-08 23:35:31,679 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-08 23:35:31,684 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-08 23:35:31,700 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-08 23:35:31,700 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-08 23:35:31,700 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-08 23:35:31,700 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2020-07-08 23:35:31,700 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-08 23:35:31,700 WARN L170 areAnnotationChecker]: __VERIFIER_assertENTRY has no Hoare annotation [2020-07-08 23:35:31,700 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 23:35:31,700 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 23:35:31,700 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 23:35:31,701 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-08 23:35:31,701 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-08 23:35:31,701 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-08 23:35:31,701 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-08 23:35:31,701 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-08 23:35:31,701 WARN L170 areAnnotationChecker]: L-1-1 has no Hoare annotation [2020-07-08 23:35:31,701 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-08 23:35:31,701 WARN L170 areAnnotationChecker]: L11-1 has no Hoare annotation [2020-07-08 23:35:31,701 WARN L170 areAnnotationChecker]: L11-3 has no Hoare annotation [2020-07-08 23:35:31,702 WARN L170 areAnnotationChecker]: L21-1 has no Hoare annotation [2020-07-08 23:35:31,702 WARN L170 areAnnotationChecker]: L13-1 has no Hoare annotation [2020-07-08 23:35:31,702 WARN L170 areAnnotationChecker]: L13-1 has no Hoare annotation [2020-07-08 23:35:31,702 WARN L170 areAnnotationChecker]: L13-3 has no Hoare annotation [2020-07-08 23:35:31,702 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2020-07-08 23:35:31,702 WARN L170 areAnnotationChecker]: assume_abort_if_notEXIT has no Hoare annotation [2020-07-08 23:35:31,703 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-08 23:35:31,703 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-08 23:35:31,703 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2020-07-08 23:35:31,703 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-08 23:35:31,703 WARN L170 areAnnotationChecker]: L23-1 has no Hoare annotation [2020-07-08 23:35:31,703 WARN L170 areAnnotationChecker]: L22-1 has no Hoare annotation [2020-07-08 23:35:31,703 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-08 23:35:31,703 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-08 23:35:31,703 WARN L170 areAnnotationChecker]: L50-2 has no Hoare annotation [2020-07-08 23:35:31,703 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-08 23:35:31,703 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2020-07-08 23:35:31,704 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-08 23:35:31,704 WARN L170 areAnnotationChecker]: L48-2 has no Hoare annotation [2020-07-08 23:35:31,704 WARN L170 areAnnotationChecker]: L26-1 has no Hoare annotation [2020-07-08 23:35:31,704 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-08 23:35:31,704 WARN L170 areAnnotationChecker]: L48-3 has no Hoare annotation [2020-07-08 23:35:31,704 WARN L170 areAnnotationChecker]: L28 has no Hoare annotation [2020-07-08 23:35:31,704 WARN L170 areAnnotationChecker]: L48-4 has no Hoare annotation [2020-07-08 23:35:31,704 WARN L170 areAnnotationChecker]: L28-5 has no Hoare annotation [2020-07-08 23:35:31,704 WARN L170 areAnnotationChecker]: L28-5 has no Hoare annotation [2020-07-08 23:35:31,704 WARN L170 areAnnotationChecker]: L28-5 has no Hoare annotation [2020-07-08 23:35:31,705 WARN L170 areAnnotationChecker]: L48-5 has no Hoare annotation [2020-07-08 23:35:31,705 WARN L170 areAnnotationChecker]: L48-5 has no Hoare annotation [2020-07-08 23:35:31,705 WARN L170 areAnnotationChecker]: L48-5 has no Hoare annotation [2020-07-08 23:35:31,705 WARN L170 areAnnotationChecker]: L28-6 has no Hoare annotation [2020-07-08 23:35:31,705 WARN L170 areAnnotationChecker]: L30 has no Hoare annotation [2020-07-08 23:35:31,705 WARN L170 areAnnotationChecker]: L48-6 has no Hoare annotation [2020-07-08 23:35:31,705 WARN L170 areAnnotationChecker]: L50 has no Hoare annotation [2020-07-08 23:35:31,705 WARN L170 areAnnotationChecker]: L33-5 has no Hoare annotation [2020-07-08 23:35:31,705 WARN L170 areAnnotationChecker]: L33-5 has no Hoare annotation [2020-07-08 23:35:31,705 WARN L170 areAnnotationChecker]: L33-5 has no Hoare annotation [2020-07-08 23:35:31,705 WARN L170 areAnnotationChecker]: L30-1 has no Hoare annotation [2020-07-08 23:35:31,705 WARN L170 areAnnotationChecker]: L50-1 has no Hoare annotation [2020-07-08 23:35:31,706 WARN L170 areAnnotationChecker]: L50-1 has no Hoare annotation [2020-07-08 23:35:31,706 WARN L170 areAnnotationChecker]: L33-6 has no Hoare annotation [2020-07-08 23:35:31,706 WARN L170 areAnnotationChecker]: L35 has no Hoare annotation [2020-07-08 23:35:31,706 WARN L170 areAnnotationChecker]: L28-3 has no Hoare annotation [2020-07-08 23:35:31,706 WARN L170 areAnnotationChecker]: L38-5 has no Hoare annotation [2020-07-08 23:35:31,706 WARN L170 areAnnotationChecker]: L38-5 has no Hoare annotation [2020-07-08 23:35:31,706 WARN L170 areAnnotationChecker]: L38-5 has no Hoare annotation [2020-07-08 23:35:31,706 WARN L170 areAnnotationChecker]: L35-1 has no Hoare annotation [2020-07-08 23:35:31,706 WARN L170 areAnnotationChecker]: L28-4 has no Hoare annotation [2020-07-08 23:35:31,707 WARN L170 areAnnotationChecker]: L38-6 has no Hoare annotation [2020-07-08 23:35:31,707 WARN L170 areAnnotationChecker]: L40 has no Hoare annotation [2020-07-08 23:35:31,707 WARN L170 areAnnotationChecker]: L35-2 has no Hoare annotation [2020-07-08 23:35:31,707 WARN L170 areAnnotationChecker]: L43-5 has no Hoare annotation [2020-07-08 23:35:31,707 WARN L170 areAnnotationChecker]: L43-5 has no Hoare annotation [2020-07-08 23:35:31,707 WARN L170 areAnnotationChecker]: L43-5 has no Hoare annotation [2020-07-08 23:35:31,707 WARN L170 areAnnotationChecker]: L40-1 has no Hoare annotation [2020-07-08 23:35:31,707 WARN L170 areAnnotationChecker]: L33-2 has no Hoare annotation [2020-07-08 23:35:31,707 WARN L170 areAnnotationChecker]: L43-6 has no Hoare annotation [2020-07-08 23:35:31,707 WARN L170 areAnnotationChecker]: L45 has no Hoare annotation [2020-07-08 23:35:31,707 WARN L170 areAnnotationChecker]: L40-2 has no Hoare annotation [2020-07-08 23:35:31,708 WARN L170 areAnnotationChecker]: L33-3 has no Hoare annotation [2020-07-08 23:35:31,708 WARN L170 areAnnotationChecker]: L45-1 has no Hoare annotation [2020-07-08 23:35:31,708 WARN L170 areAnnotationChecker]: L38-2 has no Hoare annotation [2020-07-08 23:35:31,708 WARN L170 areAnnotationChecker]: L33-4 has no Hoare annotation [2020-07-08 23:35:31,708 WARN L170 areAnnotationChecker]: L45-2 has no Hoare annotation [2020-07-08 23:35:31,708 WARN L170 areAnnotationChecker]: L38-3 has no Hoare annotation [2020-07-08 23:35:31,708 WARN L170 areAnnotationChecker]: L43-2 has no Hoare annotation [2020-07-08 23:35:31,708 WARN L170 areAnnotationChecker]: L38-4 has no Hoare annotation [2020-07-08 23:35:31,708 WARN L170 areAnnotationChecker]: L43-3 has no Hoare annotation [2020-07-08 23:35:31,708 WARN L170 areAnnotationChecker]: L43-4 has no Hoare annotation [2020-07-08 23:35:31,708 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-08 23:35:31,712 WARN L231 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-07-08 23:35:31,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.07 11:35:31 BoogieIcfgContainer [2020-07-08 23:35:31,713 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-08 23:35:31,715 INFO L168 Benchmark]: Toolchain (without parser) took 4062.96 ms. Allocated memory was 136.8 MB in the beginning and 252.2 MB in the end (delta: 115.3 MB). Free memory was 101.0 MB in the beginning and 219.1 MB in the end (delta: -118.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-07-08 23:35:31,717 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 136.8 MB. Free memory was 119.0 MB in the beginning and 118.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-08 23:35:31,717 INFO L168 Benchmark]: CACSL2BoogieTranslator took 303.37 ms. Allocated memory is still 136.8 MB. Free memory was 100.8 MB in the beginning and 89.6 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2020-07-08 23:35:31,718 INFO L168 Benchmark]: Boogie Preprocessor took 134.46 ms. Allocated memory was 136.8 MB in the beginning and 201.3 MB in the end (delta: 64.5 MB). Free memory was 89.6 MB in the beginning and 178.8 MB in the end (delta: -89.1 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. [2020-07-08 23:35:31,719 INFO L168 Benchmark]: RCFGBuilder took 585.69 ms. Allocated memory is still 201.3 MB. Free memory was 178.8 MB in the beginning and 147.7 MB in the end (delta: 31.1 MB). Peak memory consumption was 31.1 MB. Max. memory is 7.1 GB. [2020-07-08 23:35:31,720 INFO L168 Benchmark]: TraceAbstraction took 3032.70 ms. Allocated memory was 201.3 MB in the beginning and 252.2 MB in the end (delta: 50.9 MB). Free memory was 147.7 MB in the beginning and 219.1 MB in the end (delta: -71.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-07-08 23:35:31,724 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 136.8 MB. Free memory was 119.0 MB in the beginning and 118.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 303.37 ms. Allocated memory is still 136.8 MB. Free memory was 100.8 MB in the beginning and 89.6 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 134.46 ms. Allocated memory was 136.8 MB in the beginning and 201.3 MB in the end (delta: 64.5 MB). Free memory was 89.6 MB in the beginning and 178.8 MB in the end (delta: -89.1 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 585.69 ms. Allocated memory is still 201.3 MB. Free memory was 178.8 MB in the beginning and 147.7 MB in the end (delta: 31.1 MB). Peak memory consumption was 31.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3032.70 ms. Allocated memory was 201.3 MB in the beginning and 252.2 MB in the end (delta: 50.9 MB). Free memory was 147.7 MB in the beginning and 219.1 MB in the end (delta: -71.4 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 13]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L17] int N; [L21] N = __VERIFIER_nondet_int() [L22] COND FALSE !(N <= 0) [L23] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L11] COND FALSE !(!cond) [L23] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L25] int i; [L26] long long *a = malloc(sizeof(long long)*N); [L28] i=0 [L28] COND TRUE i