/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/ifncompf.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-46f3038-m [2020-07-08 23:35:21,619 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 23:35:21,621 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 23:35:21,639 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-08 23:35:21,640 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-08 23:35:21,641 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-08 23:35:21,643 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-08 23:35:21,655 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-08 23:35:21,657 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-08 23:35:21,658 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-08 23:35:21,659 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-08 23:35:21,662 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-08 23:35:21,662 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 23:35:21,666 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 23:35:21,668 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 23:35:21,669 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 23:35:21,671 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 23:35:21,672 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 23:35:21,674 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 23:35:21,679 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 23:35:21,682 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 23:35:21,683 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 23:35:21,684 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 23:35:21,685 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 23:35:21,688 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-08 23:35:21,689 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-08 23:35:21,689 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-08 23:35:21,691 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-08 23:35:21,692 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-08 23:35:21,693 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-08 23:35:21,693 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-08 23:35:21,694 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-08 23:35:21,695 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-08 23:35:21,695 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-08 23:35:21,700 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-08 23:35:21,700 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-08 23:35:21,702 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-08 23:35:21,703 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-08 23:35:21,703 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-08 23:35:21,704 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-08 23:35:21,705 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-08 23:35:21,706 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 23:35:21,718 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 23:35:21,718 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 23:35:21,720 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 23:35:21,720 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-08 23:35:21,720 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 23:35:21,721 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-08 23:35:21,721 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 23:35:21,721 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 23:35:21,721 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 23:35:21,721 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 23:35:21,722 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-08 23:35:21,723 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 23:35:21,723 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 23:35:21,723 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 23:35:21,723 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 23:35:21,724 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-08 23:35:21,724 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 23:35:21,724 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 23:35:21,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 23:35:21,724 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 23:35:21,725 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-08 23:35:21,725 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 23:35:21,725 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 23:35:21,983 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 23:35:21,996 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 23:35:21,999 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 23:35:22,000 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 23:35:22,001 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 23:35:22,001 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/ifncompf.c [2020-07-08 23:35:22,058 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c57a27755/ed487afc62e5445bad99ad8babab524b/FLAG470d4ed90 [2020-07-08 23:35:22,489 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 23:35:22,490 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/ifncompf.c [2020-07-08 23:35:22,498 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c57a27755/ed487afc62e5445bad99ad8babab524b/FLAG470d4ed90 [2020-07-08 23:35:22,844 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c57a27755/ed487afc62e5445bad99ad8babab524b [2020-07-08 23:35:22,853 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 23:35:22,855 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 23:35:22,856 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 23:35:22,856 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 23:35:22,859 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 23:35:22,861 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 11:35:22" (1/1) ... [2020-07-08 23:35:22,864 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9a739c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:35:22, skipping insertion in model container [2020-07-08 23:35:22,864 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 11:35:22" (1/1) ... [2020-07-08 23:35:22,872 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 23:35:22,892 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 23:35:23,082 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 23:35:23,097 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 23:35:23,147 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 23:35:23,167 INFO L208 MainTranslator]: Completed translation [2020-07-08 23:35:23,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:35:23 WrapperNode [2020-07-08 23:35:23,168 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 23:35:23,168 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 23:35:23,169 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 23:35:23,169 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 23:35:23,272 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:35:23" (1/1) ... [2020-07-08 23:35:23,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:35:23" (1/1) ... [2020-07-08 23:35:23,294 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:35:23" (1/1) ... [2020-07-08 23:35:23,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:35:23" (1/1) ... [2020-07-08 23:35:23,319 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:35:23" (1/1) ... [2020-07-08 23:35:23,331 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:35:23" (1/1) ... [2020-07-08 23:35:23,332 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:35:23" (1/1) ... [2020-07-08 23:35:23,336 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 23:35:23,337 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 23:35:23,337 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 23:35:23,337 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 23:35:23,338 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:35:23" (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 23:35:23,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 23:35:23,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 23:35:23,392 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-08 23:35:23,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-08 23:35:23,392 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 23:35:23,392 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 23:35:23,392 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-08 23:35:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-08 23:35:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-08 23:35:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-08 23:35:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-08 23:35:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 23:35:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-08 23:35:23,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-08 23:35:23,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-08 23:35:23,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 23:35:23,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 23:35:23,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-08 23:35:23,926 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 23:35:23,926 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-08 23:35:23,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 11:35:23 BoogieIcfgContainer [2020-07-08 23:35:23,931 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 23:35:23,932 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 23:35:23,932 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 23:35:23,936 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 23:35:23,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 11:35:22" (1/3) ... [2020-07-08 23:35:23,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b6879dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 11:35:23, skipping insertion in model container [2020-07-08 23:35:23,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:35:23" (2/3) ... [2020-07-08 23:35:23,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b6879dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 11:35:23, skipping insertion in model container [2020-07-08 23:35:23,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 11:35:23" (3/3) ... [2020-07-08 23:35:23,940 INFO L109 eAbstractionObserver]: Analyzing ICFG ifncompf.c [2020-07-08 23:35:23,950 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-08 23:35:23,958 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-08 23:35:23,972 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-08 23:35:23,995 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 23:35:23,995 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 23:35:23,995 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-08 23:35:23,995 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 23:35:23,995 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 23:35:23,996 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 23:35:23,996 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 23:35:23,996 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 23:35:24,016 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states. [2020-07-08 23:35:24,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-07-08 23:35:24,028 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 23:35:24,029 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] [2020-07-08 23:35:24,029 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 23:35:24,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 23:35:24,036 INFO L82 PathProgramCache]: Analyzing trace with hash 1638267314, now seen corresponding path program 1 times [2020-07-08 23:35:24,045 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 23:35:24,046 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1590098935] [2020-07-08 23:35:24,046 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 23:35:24,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:35:24,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:35:24,276 INFO L280 TraceCheckUtils]: 0: Hoare triple {94#(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; {82#true} is VALID [2020-07-08 23:35:24,276 INFO L280 TraceCheckUtils]: 1: Hoare triple {82#true} #valid := #valid[0 := 0]; {82#true} is VALID [2020-07-08 23:35:24,277 INFO L280 TraceCheckUtils]: 2: Hoare triple {82#true} assume 0 < #StackHeapBarrier; {82#true} is VALID [2020-07-08 23:35:24,277 INFO L280 TraceCheckUtils]: 3: Hoare triple {82#true} ~N~0 := 0; {82#true} is VALID [2020-07-08 23:35:24,278 INFO L280 TraceCheckUtils]: 4: Hoare triple {82#true} assume true; {82#true} is VALID [2020-07-08 23:35:24,278 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {82#true} {82#true} #149#return; {82#true} is VALID [2020-07-08 23:35:24,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:35:24,288 INFO L280 TraceCheckUtils]: 0: Hoare triple {82#true} ~cond := #in~cond; {82#true} is VALID [2020-07-08 23:35:24,288 INFO L280 TraceCheckUtils]: 1: Hoare triple {82#true} assume !(0 == ~cond); {82#true} is VALID [2020-07-08 23:35:24,289 INFO L280 TraceCheckUtils]: 2: Hoare triple {82#true} assume true; {82#true} is VALID [2020-07-08 23:35:24,289 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {82#true} {82#true} #145#return; {82#true} is VALID [2020-07-08 23:35:24,291 INFO L263 TraceCheckUtils]: 0: Hoare triple {82#true} call ULTIMATE.init(); {94#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~N~0 |old(~N~0)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 23:35:24,292 INFO L280 TraceCheckUtils]: 1: Hoare triple {94#(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; {82#true} is VALID [2020-07-08 23:35:24,292 INFO L280 TraceCheckUtils]: 2: Hoare triple {82#true} #valid := #valid[0 := 0]; {82#true} is VALID [2020-07-08 23:35:24,293 INFO L280 TraceCheckUtils]: 3: Hoare triple {82#true} assume 0 < #StackHeapBarrier; {82#true} is VALID [2020-07-08 23:35:24,293 INFO L280 TraceCheckUtils]: 4: Hoare triple {82#true} ~N~0 := 0; {82#true} is VALID [2020-07-08 23:35:24,293 INFO L280 TraceCheckUtils]: 5: Hoare triple {82#true} assume true; {82#true} is VALID [2020-07-08 23:35:24,294 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {82#true} {82#true} #149#return; {82#true} is VALID [2020-07-08 23:35:24,294 INFO L263 TraceCheckUtils]: 7: Hoare triple {82#true} call #t~ret14 := main(); {82#true} is VALID [2020-07-08 23:35:24,295 INFO L280 TraceCheckUtils]: 8: Hoare triple {82#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {82#true} is VALID [2020-07-08 23:35:24,295 INFO L280 TraceCheckUtils]: 9: Hoare triple {82#true} ~N~0 := #t~nondet0; {82#true} is VALID [2020-07-08 23:35:24,295 INFO L280 TraceCheckUtils]: 10: Hoare triple {82#true} havoc #t~nondet0; {82#true} is VALID [2020-07-08 23:35:24,296 INFO L280 TraceCheckUtils]: 11: Hoare triple {82#true} assume !(~N~0 <= 0); {82#true} is VALID [2020-07-08 23:35:24,296 INFO L263 TraceCheckUtils]: 12: Hoare triple {82#true} call assume_abort_if_not((if ~N~0 <= 536870911 then 1 else 0)); {82#true} is VALID [2020-07-08 23:35:24,297 INFO L280 TraceCheckUtils]: 13: Hoare triple {82#true} ~cond := #in~cond; {82#true} is VALID [2020-07-08 23:35:24,297 INFO L280 TraceCheckUtils]: 14: Hoare triple {82#true} assume !(0 == ~cond); {82#true} is VALID [2020-07-08 23:35:24,297 INFO L280 TraceCheckUtils]: 15: Hoare triple {82#true} assume true; {82#true} is VALID [2020-07-08 23:35:24,298 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {82#true} {82#true} #145#return; {82#true} is VALID [2020-07-08 23:35:24,298 INFO L280 TraceCheckUtils]: 17: Hoare triple {82#true} havoc ~i~0; {82#true} is VALID [2020-07-08 23:35:24,299 INFO L280 TraceCheckUtils]: 18: Hoare triple {82#true} SUMMARY for call #t~malloc1.base, #t~malloc1.offset := #Ultimate.allocOnHeap(8 * ~N~0); srcloc: L26 {82#true} is VALID [2020-07-08 23:35:24,299 INFO L280 TraceCheckUtils]: 19: Hoare triple {82#true} ~a~0.base, ~a~0.offset := #t~malloc1.base, #t~malloc1.offset; {82#true} is VALID [2020-07-08 23:35:24,300 INFO L280 TraceCheckUtils]: 20: Hoare triple {82#true} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(8 * ~N~0); srcloc: L27 {82#true} is VALID [2020-07-08 23:35:24,300 INFO L280 TraceCheckUtils]: 21: Hoare triple {82#true} ~b~0.base, ~b~0.offset := #t~malloc2.base, #t~malloc2.offset; {82#true} is VALID [2020-07-08 23:35:24,300 INFO L280 TraceCheckUtils]: 22: Hoare triple {82#true} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(8 * ~N~0); srcloc: L28 {82#true} is VALID [2020-07-08 23:35:24,301 INFO L280 TraceCheckUtils]: 23: Hoare triple {82#true} ~c~0.base, ~c~0.offset := #t~malloc3.base, #t~malloc3.offset; {82#true} is VALID [2020-07-08 23:35:24,301 INFO L280 TraceCheckUtils]: 24: Hoare triple {82#true} ~i~0 := 0; {82#true} is VALID [2020-07-08 23:35:24,302 INFO L280 TraceCheckUtils]: 25: Hoare triple {82#true} assume !true; {83#false} is VALID [2020-07-08 23:35:24,303 INFO L280 TraceCheckUtils]: 26: Hoare triple {83#false} ~i~0 := 0; {83#false} is VALID [2020-07-08 23:35:24,303 INFO L280 TraceCheckUtils]: 27: Hoare triple {83#false} assume !(~i~0 < ~N~0); {83#false} is VALID [2020-07-08 23:35:24,303 INFO L280 TraceCheckUtils]: 28: Hoare triple {83#false} ~i~0 := 0; {83#false} is VALID [2020-07-08 23:35:24,304 INFO L280 TraceCheckUtils]: 29: Hoare triple {83#false} assume !(~i~0 < ~N~0); {83#false} is VALID [2020-07-08 23:35:24,304 INFO L280 TraceCheckUtils]: 30: Hoare triple {83#false} ~i~0 := 0; {83#false} is VALID [2020-07-08 23:35:24,305 INFO L280 TraceCheckUtils]: 31: Hoare triple {83#false} assume !!(~i~0 < ~N~0); {83#false} is VALID [2020-07-08 23:35:24,305 INFO L280 TraceCheckUtils]: 32: Hoare triple {83#false} SUMMARY for call #t~mem13 := read~int(~c~0.base, ~c~0.offset + 8 * ~i~0, 8); srcloc: L59 {83#false} is VALID [2020-07-08 23:35:24,305 INFO L263 TraceCheckUtils]: 33: Hoare triple {83#false} call __VERIFIER_assert((if #t~mem13 == ~i~0 * ~i~0 * ~i~0 then 1 else 0)); {83#false} is VALID [2020-07-08 23:35:24,306 INFO L280 TraceCheckUtils]: 34: Hoare triple {83#false} ~cond := #in~cond; {83#false} is VALID [2020-07-08 23:35:24,306 INFO L280 TraceCheckUtils]: 35: Hoare triple {83#false} assume 0 == ~cond; {83#false} is VALID [2020-07-08 23:35:24,306 INFO L280 TraceCheckUtils]: 36: Hoare triple {83#false} assume !false; {83#false} is VALID [2020-07-08 23:35:24,312 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 23:35:24,313 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1590098935] [2020-07-08 23:35:24,315 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 23:35:24,315 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-08 23:35:24,316 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649451434] [2020-07-08 23:35:24,322 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-07-08 23:35:24,325 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 23:35:24,328 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-08 23:35:24,387 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 37 edges. 37 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:35:24,387 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-08 23:35:24,387 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 23:35:24,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-08 23:35:24,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-08 23:35:24,399 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 3 states. [2020-07-08 23:35:24,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:35:24,843 INFO L93 Difference]: Finished difference Result 141 states and 166 transitions. [2020-07-08 23:35:24,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-08 23:35:24,844 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-07-08 23:35:24,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 23:35:24,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 23:35:24,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 166 transitions. [2020-07-08 23:35:24,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 23:35:24,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 166 transitions. [2020-07-08 23:35:24,867 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 166 transitions. [2020-07-08 23:35:25,058 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 166 edges. 166 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:35:25,075 INFO L225 Difference]: With dead ends: 141 [2020-07-08 23:35:25,075 INFO L226 Difference]: Without dead ends: 72 [2020-07-08 23:35:25,079 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 23:35:25,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-07-08 23:35:25,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2020-07-08 23:35:25,179 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 23:35:25,180 INFO L82 GeneralOperation]: Start isEquivalent. First operand 72 states. Second operand 72 states. [2020-07-08 23:35:25,180 INFO L74 IsIncluded]: Start isIncluded. First operand 72 states. Second operand 72 states. [2020-07-08 23:35:25,181 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 72 states. [2020-07-08 23:35:25,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:35:25,188 INFO L93 Difference]: Finished difference Result 72 states and 78 transitions. [2020-07-08 23:35:25,188 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 78 transitions. [2020-07-08 23:35:25,189 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:35:25,189 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:35:25,189 INFO L74 IsIncluded]: Start isIncluded. First operand 72 states. Second operand 72 states. [2020-07-08 23:35:25,190 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 72 states. [2020-07-08 23:35:25,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:35:25,196 INFO L93 Difference]: Finished difference Result 72 states and 78 transitions. [2020-07-08 23:35:25,196 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 78 transitions. [2020-07-08 23:35:25,197 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:35:25,198 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:35:25,198 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 23:35:25,198 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 23:35:25,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-07-08 23:35:25,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 78 transitions. [2020-07-08 23:35:25,204 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 78 transitions. Word has length 37 [2020-07-08 23:35:25,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 23:35:25,204 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 78 transitions. [2020-07-08 23:35:25,205 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-08 23:35:25,205 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 72 states and 78 transitions. [2020-07-08 23:35:25,301 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 78 edges. 78 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:35:25,301 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 78 transitions. [2020-07-08 23:35:25,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-07-08 23:35:25,303 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 23:35:25,303 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] [2020-07-08 23:35:25,304 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 23:35:25,304 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 23:35:25,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 23:35:25,305 INFO L82 PathProgramCache]: Analyzing trace with hash -556138909, now seen corresponding path program 1 times [2020-07-08 23:35:25,305 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 23:35:25,305 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2124049019] [2020-07-08 23:35:25,306 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 23:35:25,331 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-07-08 23:35:25,331 WARN L168 FreeRefinementEngine]: Strategy FIXED_PREFERENCES was unsuccessful and could not determine trace feasibility [2020-07-08 23:35:25,332 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-08 23:35:25,336 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-08 23:35:25,360 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-08 23:35:25,362 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-08 23:35:25,362 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-08 23:35:25,362 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2020-07-08 23:35:25,362 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-08 23:35:25,362 WARN L170 areAnnotationChecker]: __VERIFIER_assertENTRY has no Hoare annotation [2020-07-08 23:35:25,363 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 23:35:25,363 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 23:35:25,363 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 23:35:25,363 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-08 23:35:25,363 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-08 23:35:25,363 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-08 23:35:25,364 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-08 23:35:25,364 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-08 23:35:25,364 WARN L170 areAnnotationChecker]: L-1-1 has no Hoare annotation [2020-07-08 23:35:25,364 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-08 23:35:25,364 WARN L170 areAnnotationChecker]: L11-1 has no Hoare annotation [2020-07-08 23:35:25,364 WARN L170 areAnnotationChecker]: L11-3 has no Hoare annotation [2020-07-08 23:35:25,365 WARN L170 areAnnotationChecker]: L21-1 has no Hoare annotation [2020-07-08 23:35:25,365 WARN L170 areAnnotationChecker]: L13-1 has no Hoare annotation [2020-07-08 23:35:25,365 WARN L170 areAnnotationChecker]: L13-1 has no Hoare annotation [2020-07-08 23:35:25,365 WARN L170 areAnnotationChecker]: L13-3 has no Hoare annotation [2020-07-08 23:35:25,365 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2020-07-08 23:35:25,366 WARN L170 areAnnotationChecker]: assume_abort_if_notEXIT has no Hoare annotation [2020-07-08 23:35:25,366 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-08 23:35:25,366 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-08 23:35:25,366 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2020-07-08 23:35:25,366 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-08 23:35:25,367 WARN L170 areAnnotationChecker]: L23-1 has no Hoare annotation [2020-07-08 23:35:25,367 WARN L170 areAnnotationChecker]: L22-1 has no Hoare annotation [2020-07-08 23:35:25,367 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-08 23:35:25,367 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-08 23:35:25,367 WARN L170 areAnnotationChecker]: L59-2 has no Hoare annotation [2020-07-08 23:35:25,367 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-08 23:35:25,368 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2020-07-08 23:35:25,368 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-08 23:35:25,368 WARN L170 areAnnotationChecker]: L57-2 has no Hoare annotation [2020-07-08 23:35:25,369 WARN L170 areAnnotationChecker]: L26-1 has no Hoare annotation [2020-07-08 23:35:25,369 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-08 23:35:25,369 WARN L170 areAnnotationChecker]: L57-3 has no Hoare annotation [2020-07-08 23:35:25,369 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2020-07-08 23:35:25,371 WARN L170 areAnnotationChecker]: L57-4 has no Hoare annotation [2020-07-08 23:35:25,371 WARN L170 areAnnotationChecker]: L27-1 has no Hoare annotation [2020-07-08 23:35:25,371 WARN L170 areAnnotationChecker]: L57-5 has no Hoare annotation [2020-07-08 23:35:25,371 WARN L170 areAnnotationChecker]: L57-5 has no Hoare annotation [2020-07-08 23:35:25,372 WARN L170 areAnnotationChecker]: L57-5 has no Hoare annotation [2020-07-08 23:35:25,372 WARN L170 areAnnotationChecker]: L28 has no Hoare annotation [2020-07-08 23:35:25,372 WARN L170 areAnnotationChecker]: L57-6 has no Hoare annotation [2020-07-08 23:35:25,372 WARN L170 areAnnotationChecker]: L59 has no Hoare annotation [2020-07-08 23:35:25,372 WARN L170 areAnnotationChecker]: L28-1 has no Hoare annotation [2020-07-08 23:35:25,373 WARN L170 areAnnotationChecker]: L59-1 has no Hoare annotation [2020-07-08 23:35:25,373 WARN L170 areAnnotationChecker]: L59-1 has no Hoare annotation [2020-07-08 23:35:25,373 WARN L170 areAnnotationChecker]: L30 has no Hoare annotation [2020-07-08 23:35:25,373 WARN L170 areAnnotationChecker]: L30-6 has no Hoare annotation [2020-07-08 23:35:25,373 WARN L170 areAnnotationChecker]: L30-6 has no Hoare annotation [2020-07-08 23:35:25,373 WARN L170 areAnnotationChecker]: L30-6 has no Hoare annotation [2020-07-08 23:35:25,374 WARN L170 areAnnotationChecker]: L30-7 has no Hoare annotation [2020-07-08 23:35:25,374 WARN L170 areAnnotationChecker]: L32 has no Hoare annotation [2020-07-08 23:35:25,375 WARN L170 areAnnotationChecker]: L32 has no Hoare annotation [2020-07-08 23:35:25,375 WARN L170 areAnnotationChecker]: L39-5 has no Hoare annotation [2020-07-08 23:35:25,375 WARN L170 areAnnotationChecker]: L39-5 has no Hoare annotation [2020-07-08 23:35:25,375 WARN L170 areAnnotationChecker]: L39-5 has no Hoare annotation [2020-07-08 23:35:25,375 WARN L170 areAnnotationChecker]: L33 has no Hoare annotation [2020-07-08 23:35:25,376 WARN L170 areAnnotationChecker]: L35 has no Hoare annotation [2020-07-08 23:35:25,376 WARN L170 areAnnotationChecker]: L39-6 has no Hoare annotation [2020-07-08 23:35:25,376 WARN L170 areAnnotationChecker]: L41 has no Hoare annotation [2020-07-08 23:35:25,376 WARN L170 areAnnotationChecker]: L41 has no Hoare annotation [2020-07-08 23:35:25,376 WARN L170 areAnnotationChecker]: L30-3 has no Hoare annotation [2020-07-08 23:35:25,376 WARN L170 areAnnotationChecker]: L35-1 has no Hoare annotation [2020-07-08 23:35:25,376 WARN L170 areAnnotationChecker]: L48-5 has no Hoare annotation [2020-07-08 23:35:25,377 WARN L170 areAnnotationChecker]: L48-5 has no Hoare annotation [2020-07-08 23:35:25,377 WARN L170 areAnnotationChecker]: L48-5 has no Hoare annotation [2020-07-08 23:35:25,377 WARN L170 areAnnotationChecker]: L42 has no Hoare annotation [2020-07-08 23:35:25,377 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-08 23:35:25,377 WARN L170 areAnnotationChecker]: L30-4 has no Hoare annotation [2020-07-08 23:35:25,377 WARN L170 areAnnotationChecker]: L35-2 has no Hoare annotation [2020-07-08 23:35:25,378 WARN L170 areAnnotationChecker]: L48-6 has no Hoare annotation [2020-07-08 23:35:25,378 WARN L170 areAnnotationChecker]: L50 has no Hoare annotation [2020-07-08 23:35:25,378 WARN L170 areAnnotationChecker]: L50 has no Hoare annotation [2020-07-08 23:35:25,378 WARN L170 areAnnotationChecker]: L39-2 has no Hoare annotation [2020-07-08 23:35:25,378 WARN L170 areAnnotationChecker]: L44-1 has no Hoare annotation [2020-07-08 23:35:25,379 WARN L170 areAnnotationChecker]: L30-5 has no Hoare annotation [2020-07-08 23:35:25,379 WARN L170 areAnnotationChecker]: L51 has no Hoare annotation [2020-07-08 23:35:25,379 WARN L170 areAnnotationChecker]: L53 has no Hoare annotation [2020-07-08 23:35:25,380 WARN L170 areAnnotationChecker]: L39-3 has no Hoare annotation [2020-07-08 23:35:25,380 WARN L170 areAnnotationChecker]: L44-2 has no Hoare annotation [2020-07-08 23:35:25,381 WARN L170 areAnnotationChecker]: L48-2 has no Hoare annotation [2020-07-08 23:35:25,381 WARN L170 areAnnotationChecker]: L53-1 has no Hoare annotation [2020-07-08 23:35:25,381 WARN L170 areAnnotationChecker]: L39-4 has no Hoare annotation [2020-07-08 23:35:25,381 WARN L170 areAnnotationChecker]: L44-3 has no Hoare annotation [2020-07-08 23:35:25,381 WARN L170 areAnnotationChecker]: L48-3 has no Hoare annotation [2020-07-08 23:35:25,381 WARN L170 areAnnotationChecker]: L53-2 has no Hoare annotation [2020-07-08 23:35:25,382 WARN L170 areAnnotationChecker]: L44-4 has no Hoare annotation [2020-07-08 23:35:25,382 WARN L170 areAnnotationChecker]: L48-4 has no Hoare annotation [2020-07-08 23:35:25,382 WARN L170 areAnnotationChecker]: L53-3 has no Hoare annotation [2020-07-08 23:35:25,382 WARN L170 areAnnotationChecker]: L53-4 has no Hoare annotation [2020-07-08 23:35:25,383 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 23:35:25,389 WARN L231 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-07-08 23:35:25,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.07 11:35:25 BoogieIcfgContainer [2020-07-08 23:35:25,395 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-08 23:35:25,399 INFO L168 Benchmark]: Toolchain (without parser) took 2543.79 ms. Allocated memory was 145.8 MB in the beginning and 233.8 MB in the end (delta: 88.1 MB). Free memory was 103.2 MB in the beginning and 96.1 MB in the end (delta: 7.1 MB). Peak memory consumption was 95.2 MB. Max. memory is 7.1 GB. [2020-07-08 23:35:25,402 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 145.8 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-08 23:35:25,404 INFO L168 Benchmark]: CACSL2BoogieTranslator took 312.29 ms. Allocated memory is still 145.8 MB. Free memory was 102.8 MB in the beginning and 91.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2020-07-08 23:35:25,405 INFO L168 Benchmark]: Boogie Preprocessor took 168.05 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 91.1 MB in the beginning and 180.8 MB in the end (delta: -89.8 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2020-07-08 23:35:25,406 INFO L168 Benchmark]: RCFGBuilder took 594.27 ms. Allocated memory is still 203.9 MB. Free memory was 180.8 MB in the beginning and 146.0 MB in the end (delta: 34.8 MB). Peak memory consumption was 34.8 MB. Max. memory is 7.1 GB. [2020-07-08 23:35:25,407 INFO L168 Benchmark]: TraceAbstraction took 1463.23 ms. Allocated memory was 203.9 MB in the beginning and 233.8 MB in the end (delta: 29.9 MB). Free memory was 146.0 MB in the beginning and 96.1 MB in the end (delta: 49.9 MB). Peak memory consumption was 79.8 MB. Max. memory is 7.1 GB. [2020-07-08 23:35:25,411 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 0.16 ms. Allocated memory is still 145.8 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 312.29 ms. Allocated memory is still 145.8 MB. Free memory was 102.8 MB in the beginning and 91.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 168.05 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 91.1 MB in the beginning and 180.8 MB in the end (delta: -89.8 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 594.27 ms. Allocated memory is still 203.9 MB. Free memory was 180.8 MB in the beginning and 146.0 MB in the end (delta: 34.8 MB). Peak memory consumption was 34.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1463.23 ms. Allocated memory was 203.9 MB in the beginning and 233.8 MB in the end (delta: 29.9 MB). Free memory was 146.0 MB in the beginning and 96.1 MB in the end (delta: 49.9 MB). Peak memory consumption was 79.8 MB. 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); [L27] long long *b = malloc(sizeof(long long)*N); [L28] long long *c = malloc(sizeof(long long)*N); [L30] i=0 [L30] COND FALSE !(i