/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/ss1f.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 06:33:42,569 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 06:33:42,572 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 06:33:42,595 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 06:33:42,595 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 06:33:42,598 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 06:33:42,600 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 06:33:42,610 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 06:33:42,615 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 06:33:42,617 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 06:33:42,621 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 06:33:42,624 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 06:33:42,625 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 06:33:42,626 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 06:33:42,627 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 06:33:42,631 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 06:33:42,634 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 06:33:42,636 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 06:33:42,641 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 06:33:42,647 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 06:33:42,651 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 06:33:42,652 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 06:33:42,654 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 06:33:42,655 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 06:33:42,658 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-18 06:33:42,658 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-18 06:33:42,658 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-18 06:33:42,660 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-18 06:33:42,660 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-18 06:33:42,661 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-18 06:33:42,662 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-18 06:33:42,663 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-18 06:33:42,664 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-18 06:33:42,665 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-18 06:33:42,666 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-18 06:33:42,667 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-18 06:33:42,667 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-18 06:33:42,668 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-18 06:33:42,668 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 06:33:42,669 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 06:33:42,670 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 06:33:42,671 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 06:33:42,682 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 06:33:42,682 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 06:33:42,684 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 06:33:42,685 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 06:33:42,685 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 06:33:42,685 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 06:33:42,685 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 06:33:42,685 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 06:33:42,686 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 06:33:42,686 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 06:33:42,686 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 06:33:42,686 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 06:33:42,686 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 06:33:42,687 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 06:33:42,687 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 06:33:42,687 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 06:33:42,687 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 06:33:42,687 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 06:33:42,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 06:33:42,688 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 06:33:42,688 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 06:33:42,688 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 06:33:42,689 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 06:33:43,005 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 06:33:43,018 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 06:33:43,022 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 06:33:43,024 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 06:33:43,024 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 06:33:43,025 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/ss1f.c [2020-07-18 06:33:43,105 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aaa26b10f/987617d5023046b08bdcadf1384e3d43/FLAG0e826da71 [2020-07-18 06:33:43,655 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 06:33:43,656 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/ss1f.c [2020-07-18 06:33:43,669 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aaa26b10f/987617d5023046b08bdcadf1384e3d43/FLAG0e826da71 [2020-07-18 06:33:43,931 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aaa26b10f/987617d5023046b08bdcadf1384e3d43 [2020-07-18 06:33:43,941 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 06:33:43,945 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 06:33:43,946 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 06:33:43,946 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 06:33:43,950 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 06:33:43,953 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 06:33:43" (1/1) ... [2020-07-18 06:33:43,957 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@544e6df 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 06:33:43,957 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 06:33:43" (1/1) ... [2020-07-18 06:33:43,968 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 06:33:43,990 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 06:33:44,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 06:33:44,261 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 06:33:44,290 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 06:33:44,311 INFO L208 MainTranslator]: Completed translation [2020-07-18 06:33:44,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:33:44 WrapperNode [2020-07-18 06:33:44,312 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 06:33:44,313 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 06:33:44,313 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 06:33:44,313 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 06:33:44,428 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 06:33:44,429 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 06:33:44,444 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 06:33:44,444 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 06:33:44,473 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 06:33:44,491 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 06:33:44,493 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 06:33:44,496 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 06:33:44,497 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 06:33:44,497 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 06:33:44,498 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 06:33:44,499 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 06:33:44,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 06:33:44,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 06:33:44,566 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-18 06:33:44,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-18 06:33:44,566 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 06:33:44,566 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 06:33:44,566 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-18 06:33:44,566 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-18 06:33:44,567 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-18 06:33:44,567 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-18 06:33:44,567 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-18 06:33:44,567 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 06:33:44,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-18 06:33:44,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-18 06:33:44,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-18 06:33:44,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-18 06:33:44,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-18 06:33:44,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 06:33:44,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 06:33:45,143 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 06:33:45,143 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-18 06:33:45,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 06:33:45 BoogieIcfgContainer [2020-07-18 06:33:45,150 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 06:33:45,151 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 06:33:45,152 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 06:33:45,156 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 06:33:45,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 06:33:43" (1/3) ... [2020-07-18 06:33:45,158 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@255a3ca1 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 06:33:45,158 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 06:33:45,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@255a3ca1 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 06:33:45,159 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 06:33:45,162 INFO L109 eAbstractionObserver]: Analyzing ICFG ss1f.c [2020-07-18 06:33:45,176 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 06:33:45,186 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 06:33:45,207 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 06:33:45,239 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 06:33:45,239 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 06:33:45,239 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-18 06:33:45,240 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 06:33:45,241 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 06:33:45,241 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 06:33:45,241 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 06:33:45,241 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 06:33:45,265 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states. [2020-07-18 06:33:45,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-07-18 06:33:45,281 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 06:33:45,283 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 06:33:45,283 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 06:33:45,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 06:33:45,293 INFO L82 PathProgramCache]: Analyzing trace with hash 441507982, now seen corresponding path program 1 times [2020-07-18 06:33:45,307 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 06:33:45,307 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [700567164] [2020-07-18 06:33:45,308 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 06:33:45,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:33:45,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:33:45,609 INFO L280 TraceCheckUtils]: 0: Hoare triple {91#(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; {79#true} is VALID [2020-07-18 06:33:45,610 INFO L280 TraceCheckUtils]: 1: Hoare triple {79#true} #valid := #valid[0 := 0]; {79#true} is VALID [2020-07-18 06:33:45,611 INFO L280 TraceCheckUtils]: 2: Hoare triple {79#true} assume 0 < #StackHeapBarrier; {79#true} is VALID [2020-07-18 06:33:45,611 INFO L280 TraceCheckUtils]: 3: Hoare triple {79#true} ~N~0 := 0; {79#true} is VALID [2020-07-18 06:33:45,612 INFO L280 TraceCheckUtils]: 4: Hoare triple {79#true} assume true; {79#true} is VALID [2020-07-18 06:33:45,612 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {79#true} {79#true} #134#return; {79#true} is VALID [2020-07-18 06:33:45,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:33:45,625 INFO L280 TraceCheckUtils]: 0: Hoare triple {79#true} ~cond := #in~cond; {79#true} is VALID [2020-07-18 06:33:45,626 INFO L280 TraceCheckUtils]: 1: Hoare triple {79#true} assume !(0 == ~cond); {79#true} is VALID [2020-07-18 06:33:45,626 INFO L280 TraceCheckUtils]: 2: Hoare triple {79#true} assume true; {79#true} is VALID [2020-07-18 06:33:45,627 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {79#true} {79#true} #130#return; {79#true} is VALID [2020-07-18 06:33:45,629 INFO L263 TraceCheckUtils]: 0: Hoare triple {79#true} call ULTIMATE.init(); {91#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~N~0 |old(~N~0)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 06:33:45,630 INFO L280 TraceCheckUtils]: 1: Hoare triple {91#(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; {79#true} is VALID [2020-07-18 06:33:45,631 INFO L280 TraceCheckUtils]: 2: Hoare triple {79#true} #valid := #valid[0 := 0]; {79#true} is VALID [2020-07-18 06:33:45,631 INFO L280 TraceCheckUtils]: 3: Hoare triple {79#true} assume 0 < #StackHeapBarrier; {79#true} is VALID [2020-07-18 06:33:45,632 INFO L280 TraceCheckUtils]: 4: Hoare triple {79#true} ~N~0 := 0; {79#true} is VALID [2020-07-18 06:33:45,632 INFO L280 TraceCheckUtils]: 5: Hoare triple {79#true} assume true; {79#true} is VALID [2020-07-18 06:33:45,632 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {79#true} {79#true} #134#return; {79#true} is VALID [2020-07-18 06:33:45,633 INFO L263 TraceCheckUtils]: 7: Hoare triple {79#true} call #t~ret13 := main(); {79#true} is VALID [2020-07-18 06:33:45,633 INFO L280 TraceCheckUtils]: 8: Hoare triple {79#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {79#true} is VALID [2020-07-18 06:33:45,634 INFO L280 TraceCheckUtils]: 9: Hoare triple {79#true} ~N~0 := #t~nondet0; {79#true} is VALID [2020-07-18 06:33:45,634 INFO L280 TraceCheckUtils]: 10: Hoare triple {79#true} havoc #t~nondet0; {79#true} is VALID [2020-07-18 06:33:45,635 INFO L280 TraceCheckUtils]: 11: Hoare triple {79#true} assume !(~N~0 <= 0); {79#true} is VALID [2020-07-18 06:33:45,635 INFO L263 TraceCheckUtils]: 12: Hoare triple {79#true} call assume_abort_if_not((if ~N~0 <= 536870911 then 1 else 0)); {79#true} is VALID [2020-07-18 06:33:45,636 INFO L280 TraceCheckUtils]: 13: Hoare triple {79#true} ~cond := #in~cond; {79#true} is VALID [2020-07-18 06:33:45,636 INFO L280 TraceCheckUtils]: 14: Hoare triple {79#true} assume !(0 == ~cond); {79#true} is VALID [2020-07-18 06:33:45,636 INFO L280 TraceCheckUtils]: 15: Hoare triple {79#true} assume true; {79#true} is VALID [2020-07-18 06:33:45,637 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {79#true} {79#true} #130#return; {79#true} is VALID [2020-07-18 06:33:45,637 INFO L280 TraceCheckUtils]: 17: Hoare triple {79#true} havoc ~i~0; {79#true} is VALID [2020-07-18 06:33:45,638 INFO L280 TraceCheckUtils]: 18: Hoare triple {79#true} SUMMARY for call ~#sum~0.base, ~#sum~0.offset := #Ultimate.allocOnStack(8); srcloc: L26 {79#true} is VALID [2020-07-18 06:33:45,638 INFO L280 TraceCheckUtils]: 19: Hoare triple {79#true} SUMMARY for call #t~malloc1.base, #t~malloc1.offset := #Ultimate.allocOnHeap(8 * ~N~0); srcloc: L26-1 {79#true} is VALID [2020-07-18 06:33:45,639 INFO L280 TraceCheckUtils]: 20: Hoare triple {79#true} ~a~0.base, ~a~0.offset := #t~malloc1.base, #t~malloc1.offset; {79#true} is VALID [2020-07-18 06:33:45,639 INFO L280 TraceCheckUtils]: 21: Hoare triple {79#true} SUMMARY for call write~int(0, ~#sum~0.base, ~#sum~0.offset, 8); srcloc: L29 {79#true} is VALID [2020-07-18 06:33:45,639 INFO L280 TraceCheckUtils]: 22: Hoare triple {79#true} ~i~0 := 0; {79#true} is VALID [2020-07-18 06:33:45,641 INFO L280 TraceCheckUtils]: 23: Hoare triple {79#true} assume !true; {80#false} is VALID [2020-07-18 06:33:45,641 INFO L280 TraceCheckUtils]: 24: Hoare triple {80#false} ~i~0 := 0; {80#false} is VALID [2020-07-18 06:33:45,641 INFO L280 TraceCheckUtils]: 25: Hoare triple {80#false} assume !true; {80#false} is VALID [2020-07-18 06:33:45,642 INFO L280 TraceCheckUtils]: 26: Hoare triple {80#false} ~i~0 := 0; {80#false} is VALID [2020-07-18 06:33:45,642 INFO L280 TraceCheckUtils]: 27: Hoare triple {80#false} assume !true; {80#false} is VALID [2020-07-18 06:33:45,643 INFO L280 TraceCheckUtils]: 28: Hoare triple {80#false} ~i~0 := 0; {80#false} is VALID [2020-07-18 06:33:45,643 INFO L280 TraceCheckUtils]: 29: Hoare triple {80#false} assume !true; {80#false} is VALID [2020-07-18 06:33:45,644 INFO L280 TraceCheckUtils]: 30: Hoare triple {80#false} SUMMARY for call #t~mem12 := read~int(~#sum~0.base, ~#sum~0.offset, 8); srcloc: L44-6 {80#false} is VALID [2020-07-18 06:33:45,644 INFO L263 TraceCheckUtils]: 31: Hoare triple {80#false} call __VERIFIER_assert((if #t~mem12 == ~N~0 * (2 + ~N~0) then 1 else 0)); {80#false} is VALID [2020-07-18 06:33:45,644 INFO L280 TraceCheckUtils]: 32: Hoare triple {80#false} ~cond := #in~cond; {80#false} is VALID [2020-07-18 06:33:45,645 INFO L280 TraceCheckUtils]: 33: Hoare triple {80#false} assume 0 == ~cond; {80#false} is VALID [2020-07-18 06:33:45,645 INFO L280 TraceCheckUtils]: 34: Hoare triple {80#false} assume !false; {80#false} is VALID [2020-07-18 06:33:45,651 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 06:33:45,652 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [700567164] [2020-07-18 06:33:45,655 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 06:33:45,655 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-18 06:33:45,657 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872428856] [2020-07-18 06:33:45,665 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2020-07-18 06:33:45,669 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 06:33:45,674 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-18 06:33:45,746 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 06:33:45,746 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-18 06:33:45,747 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 06:33:45,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-18 06:33:45,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 06:33:45,762 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 3 states. [2020-07-18 06:33:46,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:33:46,448 INFO L93 Difference]: Finished difference Result 135 states and 154 transitions. [2020-07-18 06:33:46,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-18 06:33:46,449 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2020-07-18 06:33:46,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 06:33:46,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 06:33:46,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 154 transitions. [2020-07-18 06:33:46,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 06:33:46,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 154 transitions. [2020-07-18 06:33:46,492 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 154 transitions. [2020-07-18 06:33:46,702 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 154 edges. 154 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 06:33:46,738 INFO L225 Difference]: With dead ends: 135 [2020-07-18 06:33:46,738 INFO L226 Difference]: Without dead ends: 64 [2020-07-18 06:33:46,744 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 06:33:46,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-07-18 06:33:46,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2020-07-18 06:33:46,859 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 06:33:46,860 INFO L82 GeneralOperation]: Start isEquivalent. First operand 64 states. Second operand 64 states. [2020-07-18 06:33:46,861 INFO L74 IsIncluded]: Start isIncluded. First operand 64 states. Second operand 64 states. [2020-07-18 06:33:46,861 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 64 states. [2020-07-18 06:33:46,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:33:46,868 INFO L93 Difference]: Finished difference Result 64 states and 67 transitions. [2020-07-18 06:33:46,868 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 67 transitions. [2020-07-18 06:33:46,869 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:33:46,870 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:33:46,870 INFO L74 IsIncluded]: Start isIncluded. First operand 64 states. Second operand 64 states. [2020-07-18 06:33:46,870 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 64 states. [2020-07-18 06:33:46,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:33:46,877 INFO L93 Difference]: Finished difference Result 64 states and 67 transitions. [2020-07-18 06:33:46,877 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 67 transitions. [2020-07-18 06:33:46,878 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:33:46,879 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:33:46,879 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 06:33:46,879 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 06:33:46,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-07-18 06:33:46,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 67 transitions. [2020-07-18 06:33:46,886 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 67 transitions. Word has length 35 [2020-07-18 06:33:46,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 06:33:46,887 INFO L479 AbstractCegarLoop]: Abstraction has 64 states and 67 transitions. [2020-07-18 06:33:46,887 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-18 06:33:46,887 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 64 states and 67 transitions. [2020-07-18 06:33:46,985 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 67 edges. 67 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 06:33:46,985 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 67 transitions. [2020-07-18 06:33:46,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-07-18 06:33:46,987 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 06:33:46,987 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 06:33:46,988 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 06:33:46,988 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 06:33:46,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 06:33:46,989 INFO L82 PathProgramCache]: Analyzing trace with hash 280562238, now seen corresponding path program 1 times [2020-07-18 06:33:46,989 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 06:33:46,990 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1718260454] [2020-07-18 06:33:46,990 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 06:33:47,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:33:47,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:33:47,162 INFO L280 TraceCheckUtils]: 0: Hoare triple {634#(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; {620#true} is VALID [2020-07-18 06:33:47,163 INFO L280 TraceCheckUtils]: 1: Hoare triple {620#true} #valid := #valid[0 := 0]; {620#true} is VALID [2020-07-18 06:33:47,163 INFO L280 TraceCheckUtils]: 2: Hoare triple {620#true} assume 0 < #StackHeapBarrier; {620#true} is VALID [2020-07-18 06:33:47,164 INFO L280 TraceCheckUtils]: 3: Hoare triple {620#true} ~N~0 := 0; {620#true} is VALID [2020-07-18 06:33:47,164 INFO L280 TraceCheckUtils]: 4: Hoare triple {620#true} assume true; {620#true} is VALID [2020-07-18 06:33:47,164 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {620#true} {620#true} #134#return; {620#true} is VALID [2020-07-18 06:33:47,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:33:47,175 INFO L280 TraceCheckUtils]: 0: Hoare triple {620#true} ~cond := #in~cond; {620#true} is VALID [2020-07-18 06:33:47,175 INFO L280 TraceCheckUtils]: 1: Hoare triple {620#true} assume !(0 == ~cond); {620#true} is VALID [2020-07-18 06:33:47,176 INFO L280 TraceCheckUtils]: 2: Hoare triple {620#true} assume true; {620#true} is VALID [2020-07-18 06:33:47,177 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {620#true} {628#(<= 1 ~N~0)} #130#return; {628#(<= 1 ~N~0)} is VALID [2020-07-18 06:33:47,178 INFO L263 TraceCheckUtils]: 0: Hoare triple {620#true} call ULTIMATE.init(); {634#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~N~0 |old(~N~0)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 06:33:47,179 INFO L280 TraceCheckUtils]: 1: Hoare triple {634#(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; {620#true} is VALID [2020-07-18 06:33:47,179 INFO L280 TraceCheckUtils]: 2: Hoare triple {620#true} #valid := #valid[0 := 0]; {620#true} is VALID [2020-07-18 06:33:47,179 INFO L280 TraceCheckUtils]: 3: Hoare triple {620#true} assume 0 < #StackHeapBarrier; {620#true} is VALID [2020-07-18 06:33:47,180 INFO L280 TraceCheckUtils]: 4: Hoare triple {620#true} ~N~0 := 0; {620#true} is VALID [2020-07-18 06:33:47,180 INFO L280 TraceCheckUtils]: 5: Hoare triple {620#true} assume true; {620#true} is VALID [2020-07-18 06:33:47,180 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {620#true} {620#true} #134#return; {620#true} is VALID [2020-07-18 06:33:47,181 INFO L263 TraceCheckUtils]: 7: Hoare triple {620#true} call #t~ret13 := main(); {620#true} is VALID [2020-07-18 06:33:47,181 INFO L280 TraceCheckUtils]: 8: Hoare triple {620#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {620#true} is VALID [2020-07-18 06:33:47,181 INFO L280 TraceCheckUtils]: 9: Hoare triple {620#true} ~N~0 := #t~nondet0; {620#true} is VALID [2020-07-18 06:33:47,182 INFO L280 TraceCheckUtils]: 10: Hoare triple {620#true} havoc #t~nondet0; {620#true} is VALID [2020-07-18 06:33:47,183 INFO L280 TraceCheckUtils]: 11: Hoare triple {620#true} assume !(~N~0 <= 0); {628#(<= 1 ~N~0)} is VALID [2020-07-18 06:33:47,183 INFO L263 TraceCheckUtils]: 12: Hoare triple {628#(<= 1 ~N~0)} call assume_abort_if_not((if ~N~0 <= 536870911 then 1 else 0)); {620#true} is VALID [2020-07-18 06:33:47,184 INFO L280 TraceCheckUtils]: 13: Hoare triple {620#true} ~cond := #in~cond; {620#true} is VALID [2020-07-18 06:33:47,184 INFO L280 TraceCheckUtils]: 14: Hoare triple {620#true} assume !(0 == ~cond); {620#true} is VALID [2020-07-18 06:33:47,184 INFO L280 TraceCheckUtils]: 15: Hoare triple {620#true} assume true; {620#true} is VALID [2020-07-18 06:33:47,185 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {620#true} {628#(<= 1 ~N~0)} #130#return; {628#(<= 1 ~N~0)} is VALID [2020-07-18 06:33:47,187 INFO L280 TraceCheckUtils]: 17: Hoare triple {628#(<= 1 ~N~0)} havoc ~i~0; {628#(<= 1 ~N~0)} is VALID [2020-07-18 06:33:47,187 INFO L280 TraceCheckUtils]: 18: Hoare triple {628#(<= 1 ~N~0)} SUMMARY for call ~#sum~0.base, ~#sum~0.offset := #Ultimate.allocOnStack(8); srcloc: L26 {628#(<= 1 ~N~0)} is VALID [2020-07-18 06:33:47,188 INFO L280 TraceCheckUtils]: 19: Hoare triple {628#(<= 1 ~N~0)} SUMMARY for call #t~malloc1.base, #t~malloc1.offset := #Ultimate.allocOnHeap(8 * ~N~0); srcloc: L26-1 {628#(<= 1 ~N~0)} is VALID [2020-07-18 06:33:47,189 INFO L280 TraceCheckUtils]: 20: Hoare triple {628#(<= 1 ~N~0)} ~a~0.base, ~a~0.offset := #t~malloc1.base, #t~malloc1.offset; {628#(<= 1 ~N~0)} is VALID [2020-07-18 06:33:47,190 INFO L280 TraceCheckUtils]: 21: Hoare triple {628#(<= 1 ~N~0)} SUMMARY for call write~int(0, ~#sum~0.base, ~#sum~0.offset, 8); srcloc: L29 {628#(<= 1 ~N~0)} is VALID [2020-07-18 06:33:47,191 INFO L280 TraceCheckUtils]: 22: Hoare triple {628#(<= 1 ~N~0)} ~i~0 := 0; {633#(and (= 0 main_~i~0) (<= 1 ~N~0))} is VALID [2020-07-18 06:33:47,192 INFO L280 TraceCheckUtils]: 23: Hoare triple {633#(and (= 0 main_~i~0) (<= 1 ~N~0))} assume !(~i~0 < ~N~0); {621#false} is VALID [2020-07-18 06:33:47,192 INFO L280 TraceCheckUtils]: 24: Hoare triple {621#false} ~i~0 := 0; {621#false} is VALID [2020-07-18 06:33:47,193 INFO L280 TraceCheckUtils]: 25: Hoare triple {621#false} assume !(~i~0 < ~N~0); {621#false} is VALID [2020-07-18 06:33:47,193 INFO L280 TraceCheckUtils]: 26: Hoare triple {621#false} ~i~0 := 0; {621#false} is VALID [2020-07-18 06:33:47,193 INFO L280 TraceCheckUtils]: 27: Hoare triple {621#false} assume !(~i~0 < ~N~0); {621#false} is VALID [2020-07-18 06:33:47,194 INFO L280 TraceCheckUtils]: 28: Hoare triple {621#false} ~i~0 := 0; {621#false} is VALID [2020-07-18 06:33:47,194 INFO L280 TraceCheckUtils]: 29: Hoare triple {621#false} assume !(~i~0 < ~N~0); {621#false} is VALID [2020-07-18 06:33:47,194 INFO L280 TraceCheckUtils]: 30: Hoare triple {621#false} SUMMARY for call #t~mem12 := read~int(~#sum~0.base, ~#sum~0.offset, 8); srcloc: L44-6 {621#false} is VALID [2020-07-18 06:33:47,195 INFO L263 TraceCheckUtils]: 31: Hoare triple {621#false} call __VERIFIER_assert((if #t~mem12 == ~N~0 * (2 + ~N~0) then 1 else 0)); {621#false} is VALID [2020-07-18 06:33:47,195 INFO L280 TraceCheckUtils]: 32: Hoare triple {621#false} ~cond := #in~cond; {621#false} is VALID [2020-07-18 06:33:47,195 INFO L280 TraceCheckUtils]: 33: Hoare triple {621#false} assume 0 == ~cond; {621#false} is VALID [2020-07-18 06:33:47,195 INFO L280 TraceCheckUtils]: 34: Hoare triple {621#false} assume !false; {621#false} is VALID [2020-07-18 06:33:47,198 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 06:33:47,198 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1718260454] [2020-07-18 06:33:47,198 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 06:33:47,198 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-18 06:33:47,199 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728859038] [2020-07-18 06:33:47,201 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2020-07-18 06:33:47,202 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 06:33:47,202 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-18 06:33:47,256 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 06:33:47,256 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-18 06:33:47,257 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 06:33:47,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-18 06:33:47,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-18 06:33:47,258 INFO L87 Difference]: Start difference. First operand 64 states and 67 transitions. Second operand 5 states. [2020-07-18 06:33:48,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:33:48,004 INFO L93 Difference]: Finished difference Result 128 states and 137 transitions. [2020-07-18 06:33:48,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-18 06:33:48,004 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2020-07-18 06:33:48,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 06:33:48,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-18 06:33:48,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 137 transitions. [2020-07-18 06:33:48,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-18 06:33:48,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 137 transitions. [2020-07-18 06:33:48,020 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 137 transitions. [2020-07-18 06:33:48,190 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 137 edges. 137 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 06:33:48,194 INFO L225 Difference]: With dead ends: 128 [2020-07-18 06:33:48,194 INFO L226 Difference]: Without dead ends: 92 [2020-07-18 06:33:48,196 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 06:33:48,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-07-18 06:33:48,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 68. [2020-07-18 06:33:48,338 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 06:33:48,339 INFO L82 GeneralOperation]: Start isEquivalent. First operand 92 states. Second operand 68 states. [2020-07-18 06:33:48,339 INFO L74 IsIncluded]: Start isIncluded. First operand 92 states. Second operand 68 states. [2020-07-18 06:33:48,339 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 68 states. [2020-07-18 06:33:48,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:33:48,345 INFO L93 Difference]: Finished difference Result 92 states and 95 transitions. [2020-07-18 06:33:48,345 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 95 transitions. [2020-07-18 06:33:48,346 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:33:48,346 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:33:48,346 INFO L74 IsIncluded]: Start isIncluded. First operand 68 states. Second operand 92 states. [2020-07-18 06:33:48,347 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 92 states. [2020-07-18 06:33:48,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:33:48,352 INFO L93 Difference]: Finished difference Result 92 states and 95 transitions. [2020-07-18 06:33:48,352 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 95 transitions. [2020-07-18 06:33:48,353 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:33:48,354 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:33:48,354 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 06:33:48,354 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 06:33:48,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-07-18 06:33:48,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 71 transitions. [2020-07-18 06:33:48,358 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 71 transitions. Word has length 35 [2020-07-18 06:33:48,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 06:33:48,359 INFO L479 AbstractCegarLoop]: Abstraction has 68 states and 71 transitions. [2020-07-18 06:33:48,359 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-18 06:33:48,359 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 68 states and 71 transitions. [2020-07-18 06:33:48,458 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 71 edges. 71 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 06:33:48,458 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 71 transitions. [2020-07-18 06:33:48,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-07-18 06:33:48,462 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 06:33:48,462 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 06:33:48,462 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-18 06:33:48,462 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 06:33:48,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 06:33:48,463 INFO L82 PathProgramCache]: Analyzing trace with hash -1152052174, now seen corresponding path program 1 times [2020-07-18 06:33:48,463 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 06:33:48,464 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [778433267] [2020-07-18 06:33:48,464 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 06:33:48,515 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-07-18 06:33:48,515 WARN L168 FreeRefinementEngine]: Strategy FIXED_PREFERENCES was unsuccessful and could not determine trace feasibility [2020-07-18 06:33:48,515 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-18 06:33:48,521 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-18 06:33:48,544 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-18 06:33:48,544 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 06:33:48,544 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 06:33:48,544 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2020-07-18 06:33:48,544 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-18 06:33:48,545 WARN L170 areAnnotationChecker]: __VERIFIER_assertENTRY has no Hoare annotation [2020-07-18 06:33:48,545 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 06:33:48,545 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 06:33:48,545 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 06:33:48,545 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-18 06:33:48,545 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-18 06:33:48,545 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-18 06:33:48,545 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-18 06:33:48,546 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-18 06:33:48,546 WARN L170 areAnnotationChecker]: L-1-1 has no Hoare annotation [2020-07-18 06:33:48,546 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-18 06:33:48,546 WARN L170 areAnnotationChecker]: L11-1 has no Hoare annotation [2020-07-18 06:33:48,546 WARN L170 areAnnotationChecker]: L11-3 has no Hoare annotation [2020-07-18 06:33:48,546 WARN L170 areAnnotationChecker]: L21-1 has no Hoare annotation [2020-07-18 06:33:48,547 WARN L170 areAnnotationChecker]: L13-1 has no Hoare annotation [2020-07-18 06:33:48,547 WARN L170 areAnnotationChecker]: L13-1 has no Hoare annotation [2020-07-18 06:33:48,547 WARN L170 areAnnotationChecker]: L13-3 has no Hoare annotation [2020-07-18 06:33:48,547 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2020-07-18 06:33:48,547 WARN L170 areAnnotationChecker]: assume_abort_if_notEXIT has no Hoare annotation [2020-07-18 06:33:48,547 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-18 06:33:48,547 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-18 06:33:48,548 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2020-07-18 06:33:48,548 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-18 06:33:48,548 WARN L170 areAnnotationChecker]: L23-1 has no Hoare annotation [2020-07-18 06:33:48,548 WARN L170 areAnnotationChecker]: L22-1 has no Hoare annotation [2020-07-18 06:33:48,548 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-18 06:33:48,548 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-18 06:33:48,548 WARN L170 areAnnotationChecker]: L49-1 has no Hoare annotation [2020-07-18 06:33:48,549 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-18 06:33:48,549 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2020-07-18 06:33:48,549 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-18 06:33:48,549 WARN L170 areAnnotationChecker]: L50 has no Hoare annotation [2020-07-18 06:33:48,549 WARN L170 areAnnotationChecker]: L26-1 has no Hoare annotation [2020-07-18 06:33:48,549 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-18 06:33:48,549 WARN L170 areAnnotationChecker]: L26-2 has no Hoare annotation [2020-07-18 06:33:48,549 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2020-07-18 06:33:48,550 WARN L170 areAnnotationChecker]: L26-3 has no Hoare annotation [2020-07-18 06:33:48,550 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2020-07-18 06:33:48,550 WARN L170 areAnnotationChecker]: L29-1 has no Hoare annotation [2020-07-18 06:33:48,550 WARN L170 areAnnotationChecker]: L30-4 has no Hoare annotation [2020-07-18 06:33:48,550 WARN L170 areAnnotationChecker]: L30-4 has no Hoare annotation [2020-07-18 06:33:48,550 WARN L170 areAnnotationChecker]: L30-4 has no Hoare annotation [2020-07-18 06:33:48,550 WARN L170 areAnnotationChecker]: L30-5 has no Hoare annotation [2020-07-18 06:33:48,551 WARN L170 areAnnotationChecker]: L31 has no Hoare annotation [2020-07-18 06:33:48,551 WARN L170 areAnnotationChecker]: L34-5 has no Hoare annotation [2020-07-18 06:33:48,551 WARN L170 areAnnotationChecker]: L34-5 has no Hoare annotation [2020-07-18 06:33:48,551 WARN L170 areAnnotationChecker]: L34-5 has no Hoare annotation [2020-07-18 06:33:48,551 WARN L170 areAnnotationChecker]: L31-1 has no Hoare annotation [2020-07-18 06:33:48,551 WARN L170 areAnnotationChecker]: L34-6 has no Hoare annotation [2020-07-18 06:33:48,551 WARN L170 areAnnotationChecker]: L36 has no Hoare annotation [2020-07-18 06:33:48,552 WARN L170 areAnnotationChecker]: L30-2 has no Hoare annotation [2020-07-18 06:33:48,552 WARN L170 areAnnotationChecker]: L39-5 has no Hoare annotation [2020-07-18 06:33:48,552 WARN L170 areAnnotationChecker]: L39-5 has no Hoare annotation [2020-07-18 06:33:48,552 WARN L170 areAnnotationChecker]: L39-5 has no Hoare annotation [2020-07-18 06:33:48,552 WARN L170 areAnnotationChecker]: L36-1 has no Hoare annotation [2020-07-18 06:33:48,552 WARN L170 areAnnotationChecker]: L30-3 has no Hoare annotation [2020-07-18 06:33:48,552 WARN L170 areAnnotationChecker]: L39-6 has no Hoare annotation [2020-07-18 06:33:48,553 WARN L170 areAnnotationChecker]: L41 has no Hoare annotation [2020-07-18 06:33:48,553 WARN L170 areAnnotationChecker]: L36-2 has no Hoare annotation [2020-07-18 06:33:48,553 WARN L170 areAnnotationChecker]: L44-5 has no Hoare annotation [2020-07-18 06:33:48,553 WARN L170 areAnnotationChecker]: L44-5 has no Hoare annotation [2020-07-18 06:33:48,553 WARN L170 areAnnotationChecker]: L44-5 has no Hoare annotation [2020-07-18 06:33:48,553 WARN L170 areAnnotationChecker]: L41-1 has no Hoare annotation [2020-07-18 06:33:48,553 WARN L170 areAnnotationChecker]: L36-3 has no Hoare annotation [2020-07-18 06:33:48,554 WARN L170 areAnnotationChecker]: L44-6 has no Hoare annotation [2020-07-18 06:33:48,554 WARN L170 areAnnotationChecker]: L46 has no Hoare annotation [2020-07-18 06:33:48,554 WARN L170 areAnnotationChecker]: L41-2 has no Hoare annotation [2020-07-18 06:33:48,554 WARN L170 areAnnotationChecker]: L36-4 has no Hoare annotation [2020-07-18 06:33:48,554 WARN L170 areAnnotationChecker]: L49 has no Hoare annotation [2020-07-18 06:33:48,554 WARN L170 areAnnotationChecker]: L49 has no Hoare annotation [2020-07-18 06:33:48,554 WARN L170 areAnnotationChecker]: L46-1 has no Hoare annotation [2020-07-18 06:33:48,555 WARN L170 areAnnotationChecker]: L41-3 has no Hoare annotation [2020-07-18 06:33:48,555 WARN L170 areAnnotationChecker]: L34-2 has no Hoare annotation [2020-07-18 06:33:48,555 WARN L170 areAnnotationChecker]: L46-2 has no Hoare annotation [2020-07-18 06:33:48,555 WARN L170 areAnnotationChecker]: L41-4 has no Hoare annotation [2020-07-18 06:33:48,555 WARN L170 areAnnotationChecker]: L34-3 has no Hoare annotation [2020-07-18 06:33:48,555 WARN L170 areAnnotationChecker]: L46-3 has no Hoare annotation [2020-07-18 06:33:48,556 WARN L170 areAnnotationChecker]: L39-2 has no Hoare annotation [2020-07-18 06:33:48,556 WARN L170 areAnnotationChecker]: L34-4 has no Hoare annotation [2020-07-18 06:33:48,556 WARN L170 areAnnotationChecker]: L46-4 has no Hoare annotation [2020-07-18 06:33:48,556 WARN L170 areAnnotationChecker]: L39-3 has no Hoare annotation [2020-07-18 06:33:48,556 WARN L170 areAnnotationChecker]: L44-2 has no Hoare annotation [2020-07-18 06:33:48,556 WARN L170 areAnnotationChecker]: L39-4 has no Hoare annotation [2020-07-18 06:33:48,556 WARN L170 areAnnotationChecker]: L44-3 has no Hoare annotation [2020-07-18 06:33:48,557 WARN L170 areAnnotationChecker]: L44-4 has no Hoare annotation [2020-07-18 06:33:48,557 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 06:33:48,561 WARN L231 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-07-18 06:33:48,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.07 06:33:48 BoogieIcfgContainer [2020-07-18 06:33:48,562 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-18 06:33:48,566 INFO L168 Benchmark]: Toolchain (without parser) took 4621.99 ms. Allocated memory was 135.3 MB in the beginning and 252.7 MB in the end (delta: 117.4 MB). Free memory was 99.7 MB in the beginning and 91.4 MB in the end (delta: 8.3 MB). Peak memory consumption was 125.7 MB. Max. memory is 7.1 GB. [2020-07-18 06:33:48,568 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 135.3 MB. Free memory was 117.5 MB in the beginning and 117.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-18 06:33:48,569 INFO L168 Benchmark]: CACSL2BoogieTranslator took 366.55 ms. Allocated memory is still 135.3 MB. Free memory was 99.3 MB in the beginning and 88.0 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2020-07-18 06:33:48,570 INFO L168 Benchmark]: Boogie Preprocessor took 183.89 ms. Allocated memory was 135.3 MB in the beginning and 200.8 MB in the end (delta: 65.5 MB). Free memory was 88.0 MB in the beginning and 178.0 MB in the end (delta: -90.0 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. [2020-07-18 06:33:48,571 INFO L168 Benchmark]: RCFGBuilder took 652.74 ms. Allocated memory is still 200.8 MB. Free memory was 178.0 MB in the beginning and 146.0 MB in the end (delta: 32.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 7.1 GB. [2020-07-18 06:33:48,572 INFO L168 Benchmark]: TraceAbstraction took 3410.78 ms. Allocated memory was 200.8 MB in the beginning and 252.7 MB in the end (delta: 51.9 MB). Free memory was 145.3 MB in the beginning and 91.4 MB in the end (delta: 53.9 MB). Peak memory consumption was 105.8 MB. Max. memory is 7.1 GB. [2020-07-18 06:33:48,576 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 0.24 ms. Allocated memory is still 135.3 MB. Free memory was 117.5 MB in the beginning and 117.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 366.55 ms. Allocated memory is still 135.3 MB. Free memory was 99.3 MB in the beginning and 88.0 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 183.89 ms. Allocated memory was 135.3 MB in the beginning and 200.8 MB in the end (delta: 65.5 MB). Free memory was 88.0 MB in the beginning and 178.0 MB in the end (delta: -90.0 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 652.74 ms. Allocated memory is still 200.8 MB. Free memory was 178.0 MB in the beginning and 146.0 MB in the end (delta: 32.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3410.78 ms. Allocated memory was 200.8 MB in the beginning and 252.7 MB in the end (delta: 51.9 MB). Free memory was 145.3 MB in the beginning and 91.4 MB in the end (delta: 53.9 MB). Peak memory consumption was 105.8 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 sum[1]; [L27] long long *a = malloc(sizeof(long long)*N); [L29] sum[0] = 0 [L30] i=0 [L30] COND TRUE i