/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/ss2f.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 06:33:42,596 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 06:33:42,598 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 06:33:42,615 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 06:33:42,615 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 06:33:42,617 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 06:33:42,618 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 06:33:42,631 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 06:33:42,634 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 06:33:42,635 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 06:33:42,637 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 06:33:42,639 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 06:33:42,639 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 06:33:42,643 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 06:33:42,645 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 06:33:42,646 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 06:33:42,649 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 06:33:42,650 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 06:33:42,652 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 06:33:42,657 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 06:33:42,662 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 06:33:42,663 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 06:33:42,664 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 06:33:42,665 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 06:33:42,667 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-18 06:33:42,667 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-18 06:33:42,667 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-18 06:33:42,668 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-18 06:33:42,669 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-18 06:33:42,669 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-18 06:33:42,670 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-18 06:33:42,670 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-18 06:33:42,671 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-18 06:33:42,672 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-18 06:33:42,673 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-18 06:33:42,673 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-18 06:33:42,673 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-18 06:33:42,674 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-18 06:33:42,674 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 06:33:42,675 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 06:33:42,675 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 06:33:42,676 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-18 06:33:42,685 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 06:33:42,685 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 06:33:42,686 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 06:33:42,686 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 06:33:42,687 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 06:33:42,687 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 06:33:42,687 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 06:33:42,687 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 06:33:42,687 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 06:33:42,688 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 06:33:42,688 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 06:33:42,688 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 06:33:42,688 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 06:33:42,688 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 06:33:42,689 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 06:33:42,689 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 06:33:42,689 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 06:33:42,689 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 06:33:42,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 06:33:42,690 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 06:33:42,690 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 06:33:42,690 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 06:33:42,690 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 [2020-07-18 06:33:42,960 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 06:33:42,973 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 06:33:42,978 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 06:33:42,979 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 06:33:42,980 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 06:33:42,980 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/ss2f.c [2020-07-18 06:33:43,048 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e39c061cd/db8c6db227ce49ecad936e195a1269fd/FLAGe0f7bf854 [2020-07-18 06:33:43,480 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 06:33:43,480 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/ss2f.c [2020-07-18 06:33:43,487 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e39c061cd/db8c6db227ce49ecad936e195a1269fd/FLAGe0f7bf854 [2020-07-18 06:33:43,906 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e39c061cd/db8c6db227ce49ecad936e195a1269fd [2020-07-18 06:33:43,916 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 06:33:43,920 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 06:33:43,921 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 06:33:43,921 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 06:33:43,925 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 06:33:43,926 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 06:33:43" (1/1) ... [2020-07-18 06:33:43,930 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ae885f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:33:43, skipping insertion in model container [2020-07-18 06:33:43,930 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 06:33:43" (1/1) ... [2020-07-18 06:33:43,939 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 06:33:43,962 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 06:33:44,171 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 06:33:44,181 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 06:33:44,209 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 06:33:44,318 INFO L208 MainTranslator]: Completed translation [2020-07-18 06:33:44,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:33:44 WrapperNode [2020-07-18 06:33:44,319 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 06:33:44,320 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 06:33:44,320 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 06:33:44,320 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 06:33:44,333 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:33:44" (1/1) ... [2020-07-18 06:33:44,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:33:44" (1/1) ... [2020-07-18 06:33:44,343 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:33:44" (1/1) ... [2020-07-18 06:33:44,343 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:33:44" (1/1) ... [2020-07-18 06:33:44,358 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:33:44" (1/1) ... [2020-07-18 06:33:44,366 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:33:44" (1/1) ... [2020-07-18 06:33:44,368 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:33:44" (1/1) ... [2020-07-18 06:33:44,371 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 06:33:44,371 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 06:33:44,371 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 06:33:44,371 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 06:33:44,372 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:33:44" (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 [2020-07-18 06:33:44,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 06:33:44,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 06:33:44,432 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-18 06:33:44,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-18 06:33:44,433 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 06:33:44,433 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 06:33:44,433 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-18 06:33:44,433 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-18 06:33:44,433 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-18 06:33:44,433 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-18 06:33:44,433 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-18 06:33:44,434 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 06:33:44,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-18 06:33:44,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-18 06:33:44,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-18 06:33:44,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-18 06:33:44,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-18 06:33:44,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 06:33:44,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 06:33:45,049 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 06:33:45,049 INFO L295 CfgBuilder]: Removed 7 assume(true) statements. [2020-07-18 06:33:45,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 06:33:45 BoogieIcfgContainer [2020-07-18 06:33:45,059 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 06:33:45,064 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 06:33:45,064 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 06:33:45,067 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 06:33:45,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 06:33:43" (1/3) ... [2020-07-18 06:33:45,069 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@137b238c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 06:33:45, skipping insertion in model container [2020-07-18 06:33:45,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:33:44" (2/3) ... [2020-07-18 06:33:45,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@137b238c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 06:33:45, skipping insertion in model container [2020-07-18 06:33:45,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 06:33:45" (3/3) ... [2020-07-18 06:33:45,073 INFO L109 eAbstractionObserver]: Analyzing ICFG ss2f.c [2020-07-18 06:33:45,084 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 06:33:45,093 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 06:33:45,107 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 06:33:45,131 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 06:33:45,131 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 06:33:45,132 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-18 06:33:45,132 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 06:33:45,132 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 06:33:45,133 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 06:33:45,133 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 06:33:45,133 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 06:33:45,157 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states. [2020-07-18 06:33:45,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-07-18 06:33:45,172 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 06:33:45,173 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] [2020-07-18 06:33:45,174 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 06:33:45,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 06:33:45,179 INFO L82 PathProgramCache]: Analyzing trace with hash -456074008, now seen corresponding path program 1 times [2020-07-18 06:33:45,186 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 06:33:45,187 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1328548523] [2020-07-18 06:33:45,187 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 06:33:45,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:33:45,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:33:45,409 INFO L280 TraceCheckUtils]: 0: Hoare triple {112#(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; {100#true} is VALID [2020-07-18 06:33:45,410 INFO L280 TraceCheckUtils]: 1: Hoare triple {100#true} #valid := #valid[0 := 0]; {100#true} is VALID [2020-07-18 06:33:45,411 INFO L280 TraceCheckUtils]: 2: Hoare triple {100#true} assume 0 < #StackHeapBarrier; {100#true} is VALID [2020-07-18 06:33:45,411 INFO L280 TraceCheckUtils]: 3: Hoare triple {100#true} ~N~0 := 0; {100#true} is VALID [2020-07-18 06:33:45,412 INFO L280 TraceCheckUtils]: 4: Hoare triple {100#true} assume true; {100#true} is VALID [2020-07-18 06:33:45,412 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {100#true} {100#true} #188#return; {100#true} is VALID [2020-07-18 06:33:45,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:33:45,422 INFO L280 TraceCheckUtils]: 0: Hoare triple {100#true} ~cond := #in~cond; {100#true} is VALID [2020-07-18 06:33:45,423 INFO L280 TraceCheckUtils]: 1: Hoare triple {100#true} assume !(0 == ~cond); {100#true} is VALID [2020-07-18 06:33:45,423 INFO L280 TraceCheckUtils]: 2: Hoare triple {100#true} assume true; {100#true} is VALID [2020-07-18 06:33:45,423 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {100#true} {100#true} #184#return; {100#true} is VALID [2020-07-18 06:33:45,425 INFO L263 TraceCheckUtils]: 0: Hoare triple {100#true} call ULTIMATE.init(); {112#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~N~0 |old(~N~0)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 06:33:45,426 INFO L280 TraceCheckUtils]: 1: Hoare triple {112#(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; {100#true} is VALID [2020-07-18 06:33:45,426 INFO L280 TraceCheckUtils]: 2: Hoare triple {100#true} #valid := #valid[0 := 0]; {100#true} is VALID [2020-07-18 06:33:45,426 INFO L280 TraceCheckUtils]: 3: Hoare triple {100#true} assume 0 < #StackHeapBarrier; {100#true} is VALID [2020-07-18 06:33:45,427 INFO L280 TraceCheckUtils]: 4: Hoare triple {100#true} ~N~0 := 0; {100#true} is VALID [2020-07-18 06:33:45,427 INFO L280 TraceCheckUtils]: 5: Hoare triple {100#true} assume true; {100#true} is VALID [2020-07-18 06:33:45,427 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {100#true} {100#true} #188#return; {100#true} is VALID [2020-07-18 06:33:45,428 INFO L263 TraceCheckUtils]: 7: Hoare triple {100#true} call #t~ret18 := main(); {100#true} is VALID [2020-07-18 06:33:45,428 INFO L280 TraceCheckUtils]: 8: Hoare triple {100#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {100#true} is VALID [2020-07-18 06:33:45,428 INFO L280 TraceCheckUtils]: 9: Hoare triple {100#true} ~N~0 := #t~nondet0; {100#true} is VALID [2020-07-18 06:33:45,429 INFO L280 TraceCheckUtils]: 10: Hoare triple {100#true} havoc #t~nondet0; {100#true} is VALID [2020-07-18 06:33:45,429 INFO L280 TraceCheckUtils]: 11: Hoare triple {100#true} assume !(~N~0 <= 0); {100#true} is VALID [2020-07-18 06:33:45,429 INFO L263 TraceCheckUtils]: 12: Hoare triple {100#true} call assume_abort_if_not((if ~N~0 <= 536870911 then 1 else 0)); {100#true} is VALID [2020-07-18 06:33:45,430 INFO L280 TraceCheckUtils]: 13: Hoare triple {100#true} ~cond := #in~cond; {100#true} is VALID [2020-07-18 06:33:45,430 INFO L280 TraceCheckUtils]: 14: Hoare triple {100#true} assume !(0 == ~cond); {100#true} is VALID [2020-07-18 06:33:45,430 INFO L280 TraceCheckUtils]: 15: Hoare triple {100#true} assume true; {100#true} is VALID [2020-07-18 06:33:45,431 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {100#true} {100#true} #184#return; {100#true} is VALID [2020-07-18 06:33:45,431 INFO L280 TraceCheckUtils]: 17: Hoare triple {100#true} havoc ~i~0; {100#true} is VALID [2020-07-18 06:33:45,431 INFO L280 TraceCheckUtils]: 18: Hoare triple {100#true} SUMMARY for call ~#sum~0.base, ~#sum~0.offset := #Ultimate.allocOnStack(8); srcloc: L26 {100#true} is VALID [2020-07-18 06:33:45,432 INFO L280 TraceCheckUtils]: 19: Hoare triple {100#true} SUMMARY for call #t~malloc1.base, #t~malloc1.offset := #Ultimate.allocOnHeap(8 * ~N~0); srcloc: L26-1 {100#true} is VALID [2020-07-18 06:33:45,432 INFO L280 TraceCheckUtils]: 20: Hoare triple {100#true} ~a~0.base, ~a~0.offset := #t~malloc1.base, #t~malloc1.offset; {100#true} is VALID [2020-07-18 06:33:45,432 INFO L280 TraceCheckUtils]: 21: Hoare triple {100#true} SUMMARY for call write~int(0, ~#sum~0.base, ~#sum~0.offset, 8); srcloc: L29 {100#true} is VALID [2020-07-18 06:33:45,433 INFO L280 TraceCheckUtils]: 22: Hoare triple {100#true} ~i~0 := 0; {100#true} is VALID [2020-07-18 06:33:45,434 INFO L280 TraceCheckUtils]: 23: Hoare triple {100#true} assume !true; {101#false} is VALID [2020-07-18 06:33:45,434 INFO L280 TraceCheckUtils]: 24: Hoare triple {101#false} ~i~0 := 0; {101#false} is VALID [2020-07-18 06:33:45,434 INFO L280 TraceCheckUtils]: 25: Hoare triple {101#false} assume !true; {101#false} is VALID [2020-07-18 06:33:45,435 INFO L280 TraceCheckUtils]: 26: Hoare triple {101#false} ~i~0 := 0; {101#false} is VALID [2020-07-18 06:33:45,435 INFO L280 TraceCheckUtils]: 27: Hoare triple {101#false} assume !(~i~0 < ~N~0); {101#false} is VALID [2020-07-18 06:33:45,435 INFO L280 TraceCheckUtils]: 28: Hoare triple {101#false} ~i~0 := 0; {101#false} is VALID [2020-07-18 06:33:45,436 INFO L280 TraceCheckUtils]: 29: Hoare triple {101#false} assume !true; {101#false} is VALID [2020-07-18 06:33:45,436 INFO L280 TraceCheckUtils]: 30: Hoare triple {101#false} ~i~0 := 0; {101#false} is VALID [2020-07-18 06:33:45,436 INFO L280 TraceCheckUtils]: 31: Hoare triple {101#false} assume !true; {101#false} is VALID [2020-07-18 06:33:45,436 INFO L280 TraceCheckUtils]: 32: Hoare triple {101#false} ~i~0 := 0; {101#false} is VALID [2020-07-18 06:33:45,437 INFO L280 TraceCheckUtils]: 33: Hoare triple {101#false} assume !true; {101#false} is VALID [2020-07-18 06:33:45,437 INFO L280 TraceCheckUtils]: 34: Hoare triple {101#false} ~i~0 := 0; {101#false} is VALID [2020-07-18 06:33:45,437 INFO L280 TraceCheckUtils]: 35: Hoare triple {101#false} assume !!(~i~0 < ~N~0); {101#false} is VALID [2020-07-18 06:33:45,438 INFO L280 TraceCheckUtils]: 36: Hoare triple {101#false} SUMMARY for call #t~mem17 := read~int(~a~0.base, ~a~0.offset + 8 * ~i~0, 8); srcloc: L62 {101#false} is VALID [2020-07-18 06:33:45,438 INFO L263 TraceCheckUtils]: 37: Hoare triple {101#false} call __VERIFIER_assert((if #t~mem17 == ~N~0 * (2 + ~N~0) then 1 else 0)); {101#false} is VALID [2020-07-18 06:33:45,438 INFO L280 TraceCheckUtils]: 38: Hoare triple {101#false} ~cond := #in~cond; {101#false} is VALID [2020-07-18 06:33:45,439 INFO L280 TraceCheckUtils]: 39: Hoare triple {101#false} assume 0 == ~cond; {101#false} is VALID [2020-07-18 06:33:45,439 INFO L280 TraceCheckUtils]: 40: Hoare triple {101#false} assume !false; {101#false} is VALID [2020-07-18 06:33:45,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 06:33:45,447 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1328548523] [2020-07-18 06:33:45,449 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 06:33:45,449 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-18 06:33:45,450 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138654114] [2020-07-18 06:33:45,456 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2020-07-18 06:33:45,459 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 06:33:45,463 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-18 06:33:45,534 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 41 edges. 41 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 06:33:45,534 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-18 06:33:45,535 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 06:33:45,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-18 06:33:45,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 06:33:45,544 INFO L87 Difference]: Start difference. First operand 97 states. Second operand 3 states. [2020-07-18 06:33:46,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:33:46,044 INFO L93 Difference]: Finished difference Result 177 states and 208 transitions. [2020-07-18 06:33:46,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-18 06:33:46,044 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2020-07-18 06:33:46,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 06:33:46,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 06:33:46,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 208 transitions. [2020-07-18 06:33:46,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 06:33:46,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 208 transitions. [2020-07-18 06:33:46,066 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 208 transitions. [2020-07-18 06:33:46,307 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 208 edges. 208 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 06:33:46,332 INFO L225 Difference]: With dead ends: 177 [2020-07-18 06:33:46,333 INFO L226 Difference]: Without dead ends: 88 [2020-07-18 06:33:46,342 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 [2020-07-18 06:33:46,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-07-18 06:33:46,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2020-07-18 06:33:46,450 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 06:33:46,451 INFO L82 GeneralOperation]: Start isEquivalent. First operand 88 states. Second operand 88 states. [2020-07-18 06:33:46,451 INFO L74 IsIncluded]: Start isIncluded. First operand 88 states. Second operand 88 states. [2020-07-18 06:33:46,452 INFO L87 Difference]: Start difference. First operand 88 states. Second operand 88 states. [2020-07-18 06:33:46,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:33:46,460 INFO L93 Difference]: Finished difference Result 88 states and 94 transitions. [2020-07-18 06:33:46,460 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 94 transitions. [2020-07-18 06:33:46,461 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:33:46,462 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:33:46,462 INFO L74 IsIncluded]: Start isIncluded. First operand 88 states. Second operand 88 states. [2020-07-18 06:33:46,462 INFO L87 Difference]: Start difference. First operand 88 states. Second operand 88 states. [2020-07-18 06:33:46,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:33:46,470 INFO L93 Difference]: Finished difference Result 88 states and 94 transitions. [2020-07-18 06:33:46,470 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 94 transitions. [2020-07-18 06:33:46,471 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:33:46,472 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:33:46,472 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 06:33:46,472 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 06:33:46,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-07-18 06:33:46,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 94 transitions. [2020-07-18 06:33:46,481 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 94 transitions. Word has length 41 [2020-07-18 06:33:46,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 06:33:46,482 INFO L479 AbstractCegarLoop]: Abstraction has 88 states and 94 transitions. [2020-07-18 06:33:46,482 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-18 06:33:46,482 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 88 states and 94 transitions. [2020-07-18 06:33:46,617 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 94 edges. 94 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 06:33:46,618 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 94 transitions. [2020-07-18 06:33:46,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-07-18 06:33:46,620 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 06:33:46,620 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] [2020-07-18 06:33:46,620 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 06:33:46,620 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 06:33:46,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 06:33:46,621 INFO L82 PathProgramCache]: Analyzing trace with hash 1964521925, now seen corresponding path program 1 times [2020-07-18 06:33:46,621 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 06:33:46,622 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1336518536] [2020-07-18 06:33:46,622 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 06:33:46,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:33:46,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:33:46,765 INFO L280 TraceCheckUtils]: 0: Hoare triple {835#(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; {821#true} is VALID [2020-07-18 06:33:46,766 INFO L280 TraceCheckUtils]: 1: Hoare triple {821#true} #valid := #valid[0 := 0]; {821#true} is VALID [2020-07-18 06:33:46,766 INFO L280 TraceCheckUtils]: 2: Hoare triple {821#true} assume 0 < #StackHeapBarrier; {821#true} is VALID [2020-07-18 06:33:46,766 INFO L280 TraceCheckUtils]: 3: Hoare triple {821#true} ~N~0 := 0; {821#true} is VALID [2020-07-18 06:33:46,767 INFO L280 TraceCheckUtils]: 4: Hoare triple {821#true} assume true; {821#true} is VALID [2020-07-18 06:33:46,767 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {821#true} {821#true} #188#return; {821#true} is VALID [2020-07-18 06:33:46,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:33:46,774 INFO L280 TraceCheckUtils]: 0: Hoare triple {821#true} ~cond := #in~cond; {821#true} is VALID [2020-07-18 06:33:46,775 INFO L280 TraceCheckUtils]: 1: Hoare triple {821#true} assume !(0 == ~cond); {821#true} is VALID [2020-07-18 06:33:46,775 INFO L280 TraceCheckUtils]: 2: Hoare triple {821#true} assume true; {821#true} is VALID [2020-07-18 06:33:46,776 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {821#true} {829#(<= 1 ~N~0)} #184#return; {829#(<= 1 ~N~0)} is VALID [2020-07-18 06:33:46,777 INFO L263 TraceCheckUtils]: 0: Hoare triple {821#true} call ULTIMATE.init(); {835#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~N~0 |old(~N~0)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 06:33:46,777 INFO L280 TraceCheckUtils]: 1: Hoare triple {835#(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; {821#true} is VALID [2020-07-18 06:33:46,778 INFO L280 TraceCheckUtils]: 2: Hoare triple {821#true} #valid := #valid[0 := 0]; {821#true} is VALID [2020-07-18 06:33:46,778 INFO L280 TraceCheckUtils]: 3: Hoare triple {821#true} assume 0 < #StackHeapBarrier; {821#true} is VALID [2020-07-18 06:33:46,778 INFO L280 TraceCheckUtils]: 4: Hoare triple {821#true} ~N~0 := 0; {821#true} is VALID [2020-07-18 06:33:46,779 INFO L280 TraceCheckUtils]: 5: Hoare triple {821#true} assume true; {821#true} is VALID [2020-07-18 06:33:46,779 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {821#true} {821#true} #188#return; {821#true} is VALID [2020-07-18 06:33:46,779 INFO L263 TraceCheckUtils]: 7: Hoare triple {821#true} call #t~ret18 := main(); {821#true} is VALID [2020-07-18 06:33:46,779 INFO L280 TraceCheckUtils]: 8: Hoare triple {821#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {821#true} is VALID [2020-07-18 06:33:46,780 INFO L280 TraceCheckUtils]: 9: Hoare triple {821#true} ~N~0 := #t~nondet0; {821#true} is VALID [2020-07-18 06:33:46,780 INFO L280 TraceCheckUtils]: 10: Hoare triple {821#true} havoc #t~nondet0; {821#true} is VALID [2020-07-18 06:33:46,781 INFO L280 TraceCheckUtils]: 11: Hoare triple {821#true} assume !(~N~0 <= 0); {829#(<= 1 ~N~0)} is VALID [2020-07-18 06:33:46,782 INFO L263 TraceCheckUtils]: 12: Hoare triple {829#(<= 1 ~N~0)} call assume_abort_if_not((if ~N~0 <= 536870911 then 1 else 0)); {821#true} is VALID [2020-07-18 06:33:46,782 INFO L280 TraceCheckUtils]: 13: Hoare triple {821#true} ~cond := #in~cond; {821#true} is VALID [2020-07-18 06:33:46,782 INFO L280 TraceCheckUtils]: 14: Hoare triple {821#true} assume !(0 == ~cond); {821#true} is VALID [2020-07-18 06:33:46,782 INFO L280 TraceCheckUtils]: 15: Hoare triple {821#true} assume true; {821#true} is VALID [2020-07-18 06:33:46,783 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {821#true} {829#(<= 1 ~N~0)} #184#return; {829#(<= 1 ~N~0)} is VALID [2020-07-18 06:33:46,784 INFO L280 TraceCheckUtils]: 17: Hoare triple {829#(<= 1 ~N~0)} havoc ~i~0; {829#(<= 1 ~N~0)} is VALID [2020-07-18 06:33:46,785 INFO L280 TraceCheckUtils]: 18: Hoare triple {829#(<= 1 ~N~0)} SUMMARY for call ~#sum~0.base, ~#sum~0.offset := #Ultimate.allocOnStack(8); srcloc: L26 {829#(<= 1 ~N~0)} is VALID [2020-07-18 06:33:46,785 INFO L280 TraceCheckUtils]: 19: Hoare triple {829#(<= 1 ~N~0)} SUMMARY for call #t~malloc1.base, #t~malloc1.offset := #Ultimate.allocOnHeap(8 * ~N~0); srcloc: L26-1 {829#(<= 1 ~N~0)} is VALID [2020-07-18 06:33:46,786 INFO L280 TraceCheckUtils]: 20: Hoare triple {829#(<= 1 ~N~0)} ~a~0.base, ~a~0.offset := #t~malloc1.base, #t~malloc1.offset; {829#(<= 1 ~N~0)} is VALID [2020-07-18 06:33:46,787 INFO L280 TraceCheckUtils]: 21: Hoare triple {829#(<= 1 ~N~0)} SUMMARY for call write~int(0, ~#sum~0.base, ~#sum~0.offset, 8); srcloc: L29 {829#(<= 1 ~N~0)} is VALID [2020-07-18 06:33:46,788 INFO L280 TraceCheckUtils]: 22: Hoare triple {829#(<= 1 ~N~0)} ~i~0 := 0; {834#(and (= 0 main_~i~0) (<= 1 ~N~0))} is VALID [2020-07-18 06:33:46,789 INFO L280 TraceCheckUtils]: 23: Hoare triple {834#(and (= 0 main_~i~0) (<= 1 ~N~0))} assume !(~i~0 < ~N~0); {822#false} is VALID [2020-07-18 06:33:46,789 INFO L280 TraceCheckUtils]: 24: Hoare triple {822#false} ~i~0 := 0; {822#false} is VALID [2020-07-18 06:33:46,789 INFO L280 TraceCheckUtils]: 25: Hoare triple {822#false} assume !(~i~0 < ~N~0); {822#false} is VALID [2020-07-18 06:33:46,790 INFO L280 TraceCheckUtils]: 26: Hoare triple {822#false} ~i~0 := 0; {822#false} is VALID [2020-07-18 06:33:46,790 INFO L280 TraceCheckUtils]: 27: Hoare triple {822#false} assume !(~i~0 < ~N~0); {822#false} is VALID [2020-07-18 06:33:46,790 INFO L280 TraceCheckUtils]: 28: Hoare triple {822#false} ~i~0 := 0; {822#false} is VALID [2020-07-18 06:33:46,790 INFO L280 TraceCheckUtils]: 29: Hoare triple {822#false} assume !(~i~0 < ~N~0); {822#false} is VALID [2020-07-18 06:33:46,791 INFO L280 TraceCheckUtils]: 30: Hoare triple {822#false} ~i~0 := 0; {822#false} is VALID [2020-07-18 06:33:46,791 INFO L280 TraceCheckUtils]: 31: Hoare triple {822#false} assume !(~i~0 < ~N~0); {822#false} is VALID [2020-07-18 06:33:46,791 INFO L280 TraceCheckUtils]: 32: Hoare triple {822#false} ~i~0 := 0; {822#false} is VALID [2020-07-18 06:33:46,792 INFO L280 TraceCheckUtils]: 33: Hoare triple {822#false} assume !(~i~0 < ~N~0); {822#false} is VALID [2020-07-18 06:33:46,792 INFO L280 TraceCheckUtils]: 34: Hoare triple {822#false} ~i~0 := 0; {822#false} is VALID [2020-07-18 06:33:46,792 INFO L280 TraceCheckUtils]: 35: Hoare triple {822#false} assume !!(~i~0 < ~N~0); {822#false} is VALID [2020-07-18 06:33:46,793 INFO L280 TraceCheckUtils]: 36: Hoare triple {822#false} SUMMARY for call #t~mem17 := read~int(~a~0.base, ~a~0.offset + 8 * ~i~0, 8); srcloc: L62 {822#false} is VALID [2020-07-18 06:33:46,793 INFO L263 TraceCheckUtils]: 37: Hoare triple {822#false} call __VERIFIER_assert((if #t~mem17 == ~N~0 * (2 + ~N~0) then 1 else 0)); {822#false} is VALID [2020-07-18 06:33:46,793 INFO L280 TraceCheckUtils]: 38: Hoare triple {822#false} ~cond := #in~cond; {822#false} is VALID [2020-07-18 06:33:46,793 INFO L280 TraceCheckUtils]: 39: Hoare triple {822#false} assume 0 == ~cond; {822#false} is VALID [2020-07-18 06:33:46,794 INFO L280 TraceCheckUtils]: 40: Hoare triple {822#false} assume !false; {822#false} is VALID [2020-07-18 06:33:46,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 06:33:46,796 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1336518536] [2020-07-18 06:33:46,796 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 06:33:46,797 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-18 06:33:46,797 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39915702] [2020-07-18 06:33:46,798 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 41 [2020-07-18 06:33:46,799 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 06:33:46,799 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-18 06:33:46,839 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 41 edges. 41 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 06:33:46,840 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-18 06:33:46,840 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 06:33:46,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-18 06:33:46,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-18 06:33:46,841 INFO L87 Difference]: Start difference. First operand 88 states and 94 transitions. Second operand 5 states. [2020-07-18 06:33:47,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:33:47,696 INFO L93 Difference]: Finished difference Result 194 states and 212 transitions. [2020-07-18 06:33:47,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-18 06:33:47,696 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 41 [2020-07-18 06:33:47,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 06:33:47,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-18 06:33:47,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 212 transitions. [2020-07-18 06:33:47,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-18 06:33:47,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 212 transitions. [2020-07-18 06:33:47,717 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 212 transitions. [2020-07-18 06:33:47,962 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 212 edges. 212 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 06:33:47,967 INFO L225 Difference]: With dead ends: 194 [2020-07-18 06:33:47,967 INFO L226 Difference]: Without dead ends: 134 [2020-07-18 06:33:47,969 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 [2020-07-18 06:33:47,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-07-18 06:33:48,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 94. [2020-07-18 06:33:48,114 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 06:33:48,114 INFO L82 GeneralOperation]: Start isEquivalent. First operand 134 states. Second operand 94 states. [2020-07-18 06:33:48,115 INFO L74 IsIncluded]: Start isIncluded. First operand 134 states. Second operand 94 states. [2020-07-18 06:33:48,115 INFO L87 Difference]: Start difference. First operand 134 states. Second operand 94 states. [2020-07-18 06:33:48,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:33:48,125 INFO L93 Difference]: Finished difference Result 134 states and 141 transitions. [2020-07-18 06:33:48,128 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 141 transitions. [2020-07-18 06:33:48,130 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:33:48,130 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:33:48,131 INFO L74 IsIncluded]: Start isIncluded. First operand 94 states. Second operand 134 states. [2020-07-18 06:33:48,131 INFO L87 Difference]: Start difference. First operand 94 states. Second operand 134 states. [2020-07-18 06:33:48,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:33:48,141 INFO L93 Difference]: Finished difference Result 134 states and 141 transitions. [2020-07-18 06:33:48,142 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 141 transitions. [2020-07-18 06:33:48,143 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:33:48,143 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:33:48,143 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 06:33:48,143 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 06:33:48,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-07-18 06:33:48,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 100 transitions. [2020-07-18 06:33:48,147 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 100 transitions. Word has length 41 [2020-07-18 06:33:48,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 06:33:48,148 INFO L479 AbstractCegarLoop]: Abstraction has 94 states and 100 transitions. [2020-07-18 06:33:48,148 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-18 06:33:48,148 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 94 states and 100 transitions. [2020-07-18 06:33:48,264 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 100 edges. 100 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 06:33:48,264 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 100 transitions. [2020-07-18 06:33:48,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-07-18 06:33:48,267 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 06:33:48,267 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 06:33:48,267 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-18 06:33:48,268 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 06:33:48,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 06:33:48,268 INFO L82 PathProgramCache]: Analyzing trace with hash -725795370, now seen corresponding path program 1 times [2020-07-18 06:33:48,268 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 06:33:48,268 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1503425047] [2020-07-18 06:33:48,269 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 06:33:48,324 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-07-18 06:33:48,325 WARN L168 FreeRefinementEngine]: Strategy FIXED_PREFERENCES was unsuccessful and could not determine trace feasibility [2020-07-18 06:33:48,325 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-18 06:33:48,331 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-18 06:33:48,357 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-18 06:33:48,357 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 06:33:48,357 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 06:33:48,357 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2020-07-18 06:33:48,357 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-18 06:33:48,357 WARN L170 areAnnotationChecker]: __VERIFIER_assertENTRY has no Hoare annotation [2020-07-18 06:33:48,357 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 06:33:48,358 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 06:33:48,358 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 06:33:48,358 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-18 06:33:48,358 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-18 06:33:48,358 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-18 06:33:48,358 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-18 06:33:48,359 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-18 06:33:48,359 WARN L170 areAnnotationChecker]: L-1-1 has no Hoare annotation [2020-07-18 06:33:48,359 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-18 06:33:48,359 WARN L170 areAnnotationChecker]: L11-1 has no Hoare annotation [2020-07-18 06:33:48,359 WARN L170 areAnnotationChecker]: L11-3 has no Hoare annotation [2020-07-18 06:33:48,359 WARN L170 areAnnotationChecker]: L21-1 has no Hoare annotation [2020-07-18 06:33:48,359 WARN L170 areAnnotationChecker]: L13-1 has no Hoare annotation [2020-07-18 06:33:48,360 WARN L170 areAnnotationChecker]: L13-1 has no Hoare annotation [2020-07-18 06:33:48,360 WARN L170 areAnnotationChecker]: L13-3 has no Hoare annotation [2020-07-18 06:33:48,360 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2020-07-18 06:33:48,360 WARN L170 areAnnotationChecker]: assume_abort_if_notEXIT has no Hoare annotation [2020-07-18 06:33:48,360 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-18 06:33:48,360 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-18 06:33:48,360 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2020-07-18 06:33:48,360 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-18 06:33:48,361 WARN L170 areAnnotationChecker]: L23-1 has no Hoare annotation [2020-07-18 06:33:48,361 WARN L170 areAnnotationChecker]: L22-1 has no Hoare annotation [2020-07-18 06:33:48,361 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-18 06:33:48,361 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-18 06:33:48,361 WARN L170 areAnnotationChecker]: L62-2 has no Hoare annotation [2020-07-18 06:33:48,361 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-18 06:33:48,361 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2020-07-18 06:33:48,361 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-18 06:33:48,361 WARN L170 areAnnotationChecker]: L60-2 has no Hoare annotation [2020-07-18 06:33:48,361 WARN L170 areAnnotationChecker]: L26-1 has no Hoare annotation [2020-07-18 06:33:48,361 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-18 06:33:48,361 WARN L170 areAnnotationChecker]: L60-3 has no Hoare annotation [2020-07-18 06:33:48,361 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2020-07-18 06:33:48,362 WARN L170 areAnnotationChecker]: L60-4 has no Hoare annotation [2020-07-18 06:33:48,362 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2020-07-18 06:33:48,362 WARN L170 areAnnotationChecker]: L60-5 has no Hoare annotation [2020-07-18 06:33:48,362 WARN L170 areAnnotationChecker]: L60-5 has no Hoare annotation [2020-07-18 06:33:48,362 WARN L170 areAnnotationChecker]: L60-5 has no Hoare annotation [2020-07-18 06:33:48,362 WARN L170 areAnnotationChecker]: L29-1 has no Hoare annotation [2020-07-18 06:33:48,362 WARN L170 areAnnotationChecker]: L60-6 has no Hoare annotation [2020-07-18 06:33:48,362 WARN L170 areAnnotationChecker]: L62 has no Hoare annotation [2020-07-18 06:33:48,362 WARN L170 areAnnotationChecker]: L30-4 has no Hoare annotation [2020-07-18 06:33:48,362 WARN L170 areAnnotationChecker]: L30-4 has no Hoare annotation [2020-07-18 06:33:48,362 WARN L170 areAnnotationChecker]: L30-4 has no Hoare annotation [2020-07-18 06:33:48,363 WARN L170 areAnnotationChecker]: L26-2 has no Hoare annotation [2020-07-18 06:33:48,363 WARN L170 areAnnotationChecker]: L62-1 has no Hoare annotation [2020-07-18 06:33:48,363 WARN L170 areAnnotationChecker]: L62-1 has no Hoare annotation [2020-07-18 06:33:48,363 WARN L170 areAnnotationChecker]: L30-5 has no Hoare annotation [2020-07-18 06:33:48,363 WARN L170 areAnnotationChecker]: L32 has no Hoare annotation [2020-07-18 06:33:48,363 WARN L170 areAnnotationChecker]: L26-3 has no Hoare annotation [2020-07-18 06:33:48,363 WARN L170 areAnnotationChecker]: L35-5 has no Hoare annotation [2020-07-18 06:33:48,363 WARN L170 areAnnotationChecker]: L35-5 has no Hoare annotation [2020-07-18 06:33:48,363 WARN L170 areAnnotationChecker]: L35-5 has no Hoare annotation [2020-07-18 06:33:48,363 WARN L170 areAnnotationChecker]: L32-1 has no Hoare annotation [2020-07-18 06:33:48,364 WARN L170 areAnnotationChecker]: L35-6 has no Hoare annotation [2020-07-18 06:33:48,364 WARN L170 areAnnotationChecker]: L37 has no Hoare annotation [2020-07-18 06:33:48,364 WARN L170 areAnnotationChecker]: L30-2 has no Hoare annotation [2020-07-18 06:33:48,364 WARN L170 areAnnotationChecker]: L40-4 has no Hoare annotation [2020-07-18 06:33:48,364 WARN L170 areAnnotationChecker]: L40-4 has no Hoare annotation [2020-07-18 06:33:48,364 WARN L170 areAnnotationChecker]: L40-4 has no Hoare annotation [2020-07-18 06:33:48,364 WARN L170 areAnnotationChecker]: L37-1 has no Hoare annotation [2020-07-18 06:33:48,364 WARN L170 areAnnotationChecker]: L30-3 has no Hoare annotation [2020-07-18 06:33:48,365 WARN L170 areAnnotationChecker]: L40-5 has no Hoare annotation [2020-07-18 06:33:48,365 WARN L170 areAnnotationChecker]: L42 has no Hoare annotation [2020-07-18 06:33:48,365 WARN L170 areAnnotationChecker]: L37-2 has no Hoare annotation [2020-07-18 06:33:48,365 WARN L170 areAnnotationChecker]: L45-5 has no Hoare annotation [2020-07-18 06:33:48,365 WARN L170 areAnnotationChecker]: L45-5 has no Hoare annotation [2020-07-18 06:33:48,365 WARN L170 areAnnotationChecker]: L45-5 has no Hoare annotation [2020-07-18 06:33:48,365 WARN L170 areAnnotationChecker]: L42-1 has no Hoare annotation [2020-07-18 06:33:48,365 WARN L170 areAnnotationChecker]: L37-3 has no Hoare annotation [2020-07-18 06:33:48,366 WARN L170 areAnnotationChecker]: L45-6 has no Hoare annotation [2020-07-18 06:33:48,366 WARN L170 areAnnotationChecker]: L47 has no Hoare annotation [2020-07-18 06:33:48,366 WARN L170 areAnnotationChecker]: L40-2 has no Hoare annotation [2020-07-18 06:33:48,366 WARN L170 areAnnotationChecker]: L37-4 has no Hoare annotation [2020-07-18 06:33:48,366 WARN L170 areAnnotationChecker]: L50-5 has no Hoare annotation [2020-07-18 06:33:48,366 WARN L170 areAnnotationChecker]: L50-5 has no Hoare annotation [2020-07-18 06:33:48,366 WARN L170 areAnnotationChecker]: L50-5 has no Hoare annotation [2020-07-18 06:33:48,366 WARN L170 areAnnotationChecker]: L47-1 has no Hoare annotation [2020-07-18 06:33:48,367 WARN L170 areAnnotationChecker]: L40-3 has no Hoare annotation [2020-07-18 06:33:48,367 WARN L170 areAnnotationChecker]: L35-2 has no Hoare annotation [2020-07-18 06:33:48,367 WARN L170 areAnnotationChecker]: L50-6 has no Hoare annotation [2020-07-18 06:33:48,367 WARN L170 areAnnotationChecker]: L52 has no Hoare annotation [2020-07-18 06:33:48,367 WARN L170 areAnnotationChecker]: L47-2 has no Hoare annotation [2020-07-18 06:33:48,367 WARN L170 areAnnotationChecker]: L35-3 has no Hoare annotation [2020-07-18 06:33:48,367 WARN L170 areAnnotationChecker]: L55-5 has no Hoare annotation [2020-07-18 06:33:48,367 WARN L170 areAnnotationChecker]: L55-5 has no Hoare annotation [2020-07-18 06:33:48,367 WARN L170 areAnnotationChecker]: L55-5 has no Hoare annotation [2020-07-18 06:33:48,368 WARN L170 areAnnotationChecker]: L52-1 has no Hoare annotation [2020-07-18 06:33:48,368 WARN L170 areAnnotationChecker]: L47-3 has no Hoare annotation [2020-07-18 06:33:48,368 WARN L170 areAnnotationChecker]: L35-4 has no Hoare annotation [2020-07-18 06:33:48,368 WARN L170 areAnnotationChecker]: L55-6 has no Hoare annotation [2020-07-18 06:33:48,368 WARN L170 areAnnotationChecker]: L57 has no Hoare annotation [2020-07-18 06:33:48,368 WARN L170 areAnnotationChecker]: L52-2 has no Hoare annotation [2020-07-18 06:33:48,370 WARN L170 areAnnotationChecker]: L47-4 has no Hoare annotation [2020-07-18 06:33:48,370 WARN L170 areAnnotationChecker]: L57-1 has no Hoare annotation [2020-07-18 06:33:48,370 WARN L170 areAnnotationChecker]: L52-3 has no Hoare annotation [2020-07-18 06:33:48,370 WARN L170 areAnnotationChecker]: L45-2 has no Hoare annotation [2020-07-18 06:33:48,371 WARN L170 areAnnotationChecker]: L57-2 has no Hoare annotation [2020-07-18 06:33:48,371 WARN L170 areAnnotationChecker]: L52-4 has no Hoare annotation [2020-07-18 06:33:48,377 WARN L170 areAnnotationChecker]: L45-3 has no Hoare annotation [2020-07-18 06:33:48,377 WARN L170 areAnnotationChecker]: L57-3 has no Hoare annotation [2020-07-18 06:33:48,378 WARN L170 areAnnotationChecker]: L50-2 has no Hoare annotation [2020-07-18 06:33:48,378 WARN L170 areAnnotationChecker]: L45-4 has no Hoare annotation [2020-07-18 06:33:48,378 WARN L170 areAnnotationChecker]: L57-4 has no Hoare annotation [2020-07-18 06:33:48,378 WARN L170 areAnnotationChecker]: L50-3 has no Hoare annotation [2020-07-18 06:33:48,378 WARN L170 areAnnotationChecker]: L55-2 has no Hoare annotation [2020-07-18 06:33:48,378 WARN L170 areAnnotationChecker]: L50-4 has no Hoare annotation [2020-07-18 06:33:48,378 WARN L170 areAnnotationChecker]: L55-3 has no Hoare annotation [2020-07-18 06:33:48,379 WARN L170 areAnnotationChecker]: L55-4 has no Hoare annotation [2020-07-18 06:33:48,379 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. [2020-07-18 06:33:48,382 WARN L231 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-07-18 06:33:48,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.07 06:33:48 BoogieIcfgContainer [2020-07-18 06:33:48,382 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-18 06:33:48,384 INFO L168 Benchmark]: Toolchain (without parser) took 4465.29 ms. Allocated memory was 145.8 MB in the beginning and 274.7 MB in the end (delta: 129.0 MB). Free memory was 104.3 MB in the beginning and 236.2 MB in the end (delta: -132.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-07-18 06:33:48,386 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 145.8 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-18 06:33:48,386 INFO L168 Benchmark]: CACSL2BoogieTranslator took 398.40 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 103.8 MB in the beginning and 182.1 MB in the end (delta: -78.2 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2020-07-18 06:33:48,387 INFO L168 Benchmark]: Boogie Preprocessor took 51.17 ms. Allocated memory is still 203.4 MB. Free memory was 182.1 MB in the beginning and 179.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2020-07-18 06:33:48,388 INFO L168 Benchmark]: RCFGBuilder took 688.35 ms. Allocated memory is still 203.4 MB. Free memory was 179.0 MB in the beginning and 139.5 MB in the end (delta: 39.5 MB). Peak memory consumption was 39.5 MB. Max. memory is 7.1 GB. [2020-07-18 06:33:48,389 INFO L168 Benchmark]: TraceAbstraction took 3318.36 ms. Allocated memory was 203.4 MB in the beginning and 274.7 MB in the end (delta: 71.3 MB). Free memory was 139.5 MB in the beginning and 236.2 MB in the end (delta: -96.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-07-18 06:33:48,392 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 0.25 ms. Allocated memory is still 145.8 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 398.40 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 103.8 MB in the beginning and 182.1 MB in the end (delta: -78.2 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.17 ms. Allocated memory is still 203.4 MB. Free memory was 182.1 MB in the beginning and 179.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 688.35 ms. Allocated memory is still 203.4 MB. Free memory was 179.0 MB in the beginning and 139.5 MB in the end (delta: 39.5 MB). Peak memory consumption was 39.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3318.36 ms. Allocated memory was 203.4 MB in the beginning and 274.7 MB in the end (delta: 71.3 MB). Free memory was 139.5 MB in the beginning and 236.2 MB in the end (delta: -96.7 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 sum[1]; [L27] long long *a = malloc(sizeof(long long)*N); [L29] sum[0] = 0 [L30] i=0 [L30] COND TRUE i