/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/ss3f.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 06:33:43,185 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 06:33:43,188 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 06:33:43,209 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 06:33:43,209 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 06:33:43,212 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 06:33:43,214 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 06:33:43,224 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 06:33:43,227 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 06:33:43,228 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 06:33:43,231 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 06:33:43,235 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 06:33:43,235 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 06:33:43,238 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 06:33:43,241 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 06:33:43,243 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 06:33:43,245 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 06:33:43,246 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 06:33:43,248 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 06:33:43,253 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 06:33:43,258 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 06:33:43,262 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 06:33:43,263 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 06:33:43,264 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 06:33:43,266 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-18 06:33:43,266 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-18 06:33:43,267 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-18 06:33:43,270 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-18 06:33:43,271 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-18 06:33:43,273 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-18 06:33:43,273 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-18 06:33:43,274 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-18 06:33:43,275 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-18 06:33:43,276 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-18 06:33:43,277 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-18 06:33:43,278 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-18 06:33:43,278 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-18 06:33:43,278 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-18 06:33:43,279 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 06:33:43,279 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 06:33:43,281 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 06:33:43,282 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 06:33:43,310 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 06:33:43,310 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 06:33:43,311 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 06:33:43,312 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 06:33:43,312 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 06:33:43,312 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 06:33:43,312 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 06:33:43,313 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 06:33:43,313 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 06:33:43,313 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 06:33:43,313 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 06:33:43,313 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 06:33:43,314 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 06:33:43,314 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 06:33:43,314 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 06:33:43,314 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 06:33:43,314 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 06:33:43,315 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 06:33:43,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 06:33:43,315 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 06:33:43,315 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 06:33:43,315 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 06:33:43,316 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 06:33:43,682 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 06:33:43,708 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 06:33:43,712 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 06:33:43,713 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 06:33:43,714 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 06:33:43,715 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/ss3f.c [2020-07-18 06:33:43,792 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22ede3da5/919576eb0f4e4936b1fc06ae7d799d0a/FLAGe15b449a0 [2020-07-18 06:33:44,349 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 06:33:44,350 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/ss3f.c [2020-07-18 06:33:44,359 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22ede3da5/919576eb0f4e4936b1fc06ae7d799d0a/FLAGe15b449a0 [2020-07-18 06:33:44,688 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22ede3da5/919576eb0f4e4936b1fc06ae7d799d0a [2020-07-18 06:33:44,699 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 06:33:44,703 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 06:33:44,704 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 06:33:44,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 06:33:44,708 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 06:33:44,710 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 06:33:44" (1/1) ... [2020-07-18 06:33:44,713 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d2f0278 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:33:44, skipping insertion in model container [2020-07-18 06:33:44,713 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 06:33:44" (1/1) ... [2020-07-18 06:33:44,722 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 06:33:44,746 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 06:33:44,985 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 06:33:44,995 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 06:33:45,019 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 06:33:45,037 INFO L208 MainTranslator]: Completed translation [2020-07-18 06:33:45,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:33:45 WrapperNode [2020-07-18 06:33:45,038 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 06:33:45,039 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 06:33:45,039 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 06:33:45,039 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 06:33:45,133 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:33:45" (1/1) ... [2020-07-18 06:33:45,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:33:45" (1/1) ... [2020-07-18 06:33:45,141 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:33:45" (1/1) ... [2020-07-18 06:33:45,141 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:33:45" (1/1) ... [2020-07-18 06:33:45,154 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:33:45" (1/1) ... [2020-07-18 06:33:45,163 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:33:45" (1/1) ... [2020-07-18 06:33:45,164 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:33:45" (1/1) ... [2020-07-18 06:33:45,167 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 06:33:45,168 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 06:33:45,168 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 06:33:45,168 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 06:33:45,169 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:33:45" (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 06:33:45,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 06:33:45,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 06:33:45,258 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-18 06:33:45,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-18 06:33:45,259 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 06:33:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 06:33:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-18 06:33:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-18 06:33:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-18 06:33:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-18 06:33:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-18 06:33:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 06:33:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-18 06:33:45,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-18 06:33:45,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-18 06:33:45,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-18 06:33:45,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-18 06:33:45,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 06:33:45,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 06:33:45,820 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 06:33:45,821 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-18 06:33:45,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 06:33:45 BoogieIcfgContainer [2020-07-18 06:33:45,827 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 06:33:45,828 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 06:33:45,829 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 06:33:45,832 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 06:33:45,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 06:33:44" (1/3) ... [2020-07-18 06:33:45,834 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36872753 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 06:33:45,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:33:45" (2/3) ... [2020-07-18 06:33:45,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36872753 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 06:33:45,835 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 06:33:45,837 INFO L109 eAbstractionObserver]: Analyzing ICFG ss3f.c [2020-07-18 06:33:45,849 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 06:33:45,856 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 06:33:45,871 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 06:33:45,897 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 06:33:45,898 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 06:33:45,898 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-18 06:33:45,898 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 06:33:45,899 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 06:33:45,899 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 06:33:45,899 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 06:33:45,900 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 06:33:45,919 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states. [2020-07-18 06:33:45,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-07-18 06:33:45,933 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 06:33:45,934 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 06:33:45,935 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 06:33:45,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 06:33:45,943 INFO L82 PathProgramCache]: Analyzing trace with hash -464195749, now seen corresponding path program 1 times [2020-07-18 06:33:45,953 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 06:33:45,954 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1855558466] [2020-07-18 06:33:45,954 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 06:33:46,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:33:46,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:33:46,254 INFO L280 TraceCheckUtils]: 0: Hoare triple {97#(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; {85#true} is VALID [2020-07-18 06:33:46,255 INFO L280 TraceCheckUtils]: 1: Hoare triple {85#true} #valid := #valid[0 := 0]; {85#true} is VALID [2020-07-18 06:33:46,255 INFO L280 TraceCheckUtils]: 2: Hoare triple {85#true} assume 0 < #StackHeapBarrier; {85#true} is VALID [2020-07-18 06:33:46,256 INFO L280 TraceCheckUtils]: 3: Hoare triple {85#true} ~N~0 := 0; {85#true} is VALID [2020-07-18 06:33:46,256 INFO L280 TraceCheckUtils]: 4: Hoare triple {85#true} assume true; {85#true} is VALID [2020-07-18 06:33:46,257 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {85#true} {85#true} #151#return; {85#true} is VALID [2020-07-18 06:33:46,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:33:46,267 INFO L280 TraceCheckUtils]: 0: Hoare triple {85#true} ~cond := #in~cond; {85#true} is VALID [2020-07-18 06:33:46,268 INFO L280 TraceCheckUtils]: 1: Hoare triple {85#true} assume !(0 == ~cond); {85#true} is VALID [2020-07-18 06:33:46,269 INFO L280 TraceCheckUtils]: 2: Hoare triple {85#true} assume true; {85#true} is VALID [2020-07-18 06:33:46,269 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {85#true} {85#true} #147#return; {85#true} is VALID [2020-07-18 06:33:46,271 INFO L263 TraceCheckUtils]: 0: Hoare triple {85#true} call ULTIMATE.init(); {97#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~N~0 |old(~N~0)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 06:33:46,272 INFO L280 TraceCheckUtils]: 1: Hoare triple {97#(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; {85#true} is VALID [2020-07-18 06:33:46,272 INFO L280 TraceCheckUtils]: 2: Hoare triple {85#true} #valid := #valid[0 := 0]; {85#true} is VALID [2020-07-18 06:33:46,273 INFO L280 TraceCheckUtils]: 3: Hoare triple {85#true} assume 0 < #StackHeapBarrier; {85#true} is VALID [2020-07-18 06:33:46,273 INFO L280 TraceCheckUtils]: 4: Hoare triple {85#true} ~N~0 := 0; {85#true} is VALID [2020-07-18 06:33:46,273 INFO L280 TraceCheckUtils]: 5: Hoare triple {85#true} assume true; {85#true} is VALID [2020-07-18 06:33:46,274 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {85#true} {85#true} #151#return; {85#true} is VALID [2020-07-18 06:33:46,274 INFO L263 TraceCheckUtils]: 7: Hoare triple {85#true} call #t~ret14 := main(); {85#true} is VALID [2020-07-18 06:33:46,275 INFO L280 TraceCheckUtils]: 8: Hoare triple {85#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {85#true} is VALID [2020-07-18 06:33:46,275 INFO L280 TraceCheckUtils]: 9: Hoare triple {85#true} ~N~0 := #t~nondet0; {85#true} is VALID [2020-07-18 06:33:46,275 INFO L280 TraceCheckUtils]: 10: Hoare triple {85#true} havoc #t~nondet0; {85#true} is VALID [2020-07-18 06:33:46,276 INFO L280 TraceCheckUtils]: 11: Hoare triple {85#true} assume !(~N~0 <= 0); {85#true} is VALID [2020-07-18 06:33:46,276 INFO L263 TraceCheckUtils]: 12: Hoare triple {85#true} call assume_abort_if_not((if ~N~0 <= 536870911 then 1 else 0)); {85#true} is VALID [2020-07-18 06:33:46,277 INFO L280 TraceCheckUtils]: 13: Hoare triple {85#true} ~cond := #in~cond; {85#true} is VALID [2020-07-18 06:33:46,277 INFO L280 TraceCheckUtils]: 14: Hoare triple {85#true} assume !(0 == ~cond); {85#true} is VALID [2020-07-18 06:33:46,277 INFO L280 TraceCheckUtils]: 15: Hoare triple {85#true} assume true; {85#true} is VALID [2020-07-18 06:33:46,278 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {85#true} {85#true} #147#return; {85#true} is VALID [2020-07-18 06:33:46,278 INFO L280 TraceCheckUtils]: 17: Hoare triple {85#true} havoc ~i~0; {85#true} is VALID [2020-07-18 06:33:46,279 INFO L280 TraceCheckUtils]: 18: Hoare triple {85#true} SUMMARY for call ~#sum~0.base, ~#sum~0.offset := #Ultimate.allocOnStack(8); srcloc: L26 {85#true} is VALID [2020-07-18 06:33:46,279 INFO L280 TraceCheckUtils]: 19: Hoare triple {85#true} SUMMARY for call #t~malloc1.base, #t~malloc1.offset := #Ultimate.allocOnHeap(8 * ~N~0); srcloc: L26-1 {85#true} is VALID [2020-07-18 06:33:46,279 INFO L280 TraceCheckUtils]: 20: Hoare triple {85#true} ~a~0.base, ~a~0.offset := #t~malloc1.base, #t~malloc1.offset; {85#true} is VALID [2020-07-18 06:33:46,280 INFO L280 TraceCheckUtils]: 21: Hoare triple {85#true} SUMMARY for call write~int(0, ~#sum~0.base, ~#sum~0.offset, 8); srcloc: L29 {85#true} is VALID [2020-07-18 06:33:46,280 INFO L280 TraceCheckUtils]: 22: Hoare triple {85#true} ~i~0 := 0; {85#true} is VALID [2020-07-18 06:33:46,281 INFO L280 TraceCheckUtils]: 23: Hoare triple {85#true} assume !true; {86#false} is VALID [2020-07-18 06:33:46,282 INFO L280 TraceCheckUtils]: 24: Hoare triple {86#false} ~i~0 := 0; {86#false} is VALID [2020-07-18 06:33:46,282 INFO L280 TraceCheckUtils]: 25: Hoare triple {86#false} assume !true; {86#false} is VALID [2020-07-18 06:33:46,283 INFO L280 TraceCheckUtils]: 26: Hoare triple {86#false} ~i~0 := 0; {86#false} is VALID [2020-07-18 06:33:46,283 INFO L280 TraceCheckUtils]: 27: Hoare triple {86#false} assume !(~i~0 < ~N~0); {86#false} is VALID [2020-07-18 06:33:46,284 INFO L280 TraceCheckUtils]: 28: Hoare triple {86#false} ~i~0 := 0; {86#false} is VALID [2020-07-18 06:33:46,284 INFO L280 TraceCheckUtils]: 29: Hoare triple {86#false} assume !true; {86#false} is VALID [2020-07-18 06:33:46,284 INFO L280 TraceCheckUtils]: 30: Hoare triple {86#false} ~i~0 := 0; {86#false} is VALID [2020-07-18 06:33:46,285 INFO L280 TraceCheckUtils]: 31: Hoare triple {86#false} assume !true; {86#false} is VALID [2020-07-18 06:33:46,285 INFO L280 TraceCheckUtils]: 32: Hoare triple {86#false} SUMMARY for call #t~mem13 := read~int(~#sum~0.base, ~#sum~0.offset, 8); srcloc: L50-6 {86#false} is VALID [2020-07-18 06:33:46,286 INFO L263 TraceCheckUtils]: 33: Hoare triple {86#false} call __VERIFIER_assert((if #t~mem13 == ~N~0 * (1 + ~N~0) then 1 else 0)); {86#false} is VALID [2020-07-18 06:33:46,286 INFO L280 TraceCheckUtils]: 34: Hoare triple {86#false} ~cond := #in~cond; {86#false} is VALID [2020-07-18 06:33:46,286 INFO L280 TraceCheckUtils]: 35: Hoare triple {86#false} assume 0 == ~cond; {86#false} is VALID [2020-07-18 06:33:46,287 INFO L280 TraceCheckUtils]: 36: Hoare triple {86#false} assume !false; {86#false} is VALID [2020-07-18 06:33:46,294 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 06:33:46,295 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1855558466] [2020-07-18 06:33:46,297 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 06:33:46,298 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-18 06:33:46,299 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200830944] [2020-07-18 06:33:46,306 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-07-18 06:33:46,309 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 06:33:46,314 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-18 06:33:46,376 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 37 edges. 37 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 06:33:46,376 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-18 06:33:46,377 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 06:33:46,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-18 06:33:46,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 06:33:46,391 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 3 states. [2020-07-18 06:33:46,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:33:46,911 INFO L93 Difference]: Finished difference Result 147 states and 170 transitions. [2020-07-18 06:33:46,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-18 06:33:46,912 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-07-18 06:33:46,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 06:33:46,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 06:33:46,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 170 transitions. [2020-07-18 06:33:46,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 06:33:46,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 170 transitions. [2020-07-18 06:33:46,935 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 170 transitions. [2020-07-18 06:33:47,153 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 170 edges. 170 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 06:33:47,171 INFO L225 Difference]: With dead ends: 147 [2020-07-18 06:33:47,171 INFO L226 Difference]: Without dead ends: 70 [2020-07-18 06:33:47,176 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 06:33:47,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-07-18 06:33:47,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2020-07-18 06:33:47,283 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 06:33:47,284 INFO L82 GeneralOperation]: Start isEquivalent. First operand 70 states. Second operand 70 states. [2020-07-18 06:33:47,285 INFO L74 IsIncluded]: Start isIncluded. First operand 70 states. Second operand 70 states. [2020-07-18 06:33:47,285 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 70 states. [2020-07-18 06:33:47,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:33:47,293 INFO L93 Difference]: Finished difference Result 70 states and 74 transitions. [2020-07-18 06:33:47,293 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 74 transitions. [2020-07-18 06:33:47,294 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:33:47,295 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:33:47,295 INFO L74 IsIncluded]: Start isIncluded. First operand 70 states. Second operand 70 states. [2020-07-18 06:33:47,295 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 70 states. [2020-07-18 06:33:47,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:33:47,302 INFO L93 Difference]: Finished difference Result 70 states and 74 transitions. [2020-07-18 06:33:47,302 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 74 transitions. [2020-07-18 06:33:47,303 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:33:47,304 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:33:47,304 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 06:33:47,304 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 06:33:47,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-07-18 06:33:47,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 74 transitions. [2020-07-18 06:33:47,312 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 74 transitions. Word has length 37 [2020-07-18 06:33:47,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 06:33:47,313 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 74 transitions. [2020-07-18 06:33:47,313 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-18 06:33:47,313 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 70 states and 74 transitions. [2020-07-18 06:33:47,416 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 74 edges. 74 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 06:33:47,416 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 74 transitions. [2020-07-18 06:33:47,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-07-18 06:33:47,418 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 06:33:47,418 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 06:33:47,419 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 06:33:47,419 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 06:33:47,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 06:33:47,420 INFO L82 PathProgramCache]: Analyzing trace with hash 853879691, now seen corresponding path program 1 times [2020-07-18 06:33:47,420 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 06:33:47,421 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1178089807] [2020-07-18 06:33:47,421 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 06:33:47,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:33:47,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:33:47,546 INFO L280 TraceCheckUtils]: 0: Hoare triple {688#(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; {674#true} is VALID [2020-07-18 06:33:47,546 INFO L280 TraceCheckUtils]: 1: Hoare triple {674#true} #valid := #valid[0 := 0]; {674#true} is VALID [2020-07-18 06:33:47,547 INFO L280 TraceCheckUtils]: 2: Hoare triple {674#true} assume 0 < #StackHeapBarrier; {674#true} is VALID [2020-07-18 06:33:47,547 INFO L280 TraceCheckUtils]: 3: Hoare triple {674#true} ~N~0 := 0; {674#true} is VALID [2020-07-18 06:33:47,547 INFO L280 TraceCheckUtils]: 4: Hoare triple {674#true} assume true; {674#true} is VALID [2020-07-18 06:33:47,548 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {674#true} {674#true} #151#return; {674#true} is VALID [2020-07-18 06:33:47,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:33:47,556 INFO L280 TraceCheckUtils]: 0: Hoare triple {674#true} ~cond := #in~cond; {674#true} is VALID [2020-07-18 06:33:47,557 INFO L280 TraceCheckUtils]: 1: Hoare triple {674#true} assume !(0 == ~cond); {674#true} is VALID [2020-07-18 06:33:47,557 INFO L280 TraceCheckUtils]: 2: Hoare triple {674#true} assume true; {674#true} is VALID [2020-07-18 06:33:47,558 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {674#true} {682#(<= 1 ~N~0)} #147#return; {682#(<= 1 ~N~0)} is VALID [2020-07-18 06:33:47,559 INFO L263 TraceCheckUtils]: 0: Hoare triple {674#true} call ULTIMATE.init(); {688#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~N~0 |old(~N~0)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 06:33:47,560 INFO L280 TraceCheckUtils]: 1: Hoare triple {688#(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; {674#true} is VALID [2020-07-18 06:33:47,560 INFO L280 TraceCheckUtils]: 2: Hoare triple {674#true} #valid := #valid[0 := 0]; {674#true} is VALID [2020-07-18 06:33:47,561 INFO L280 TraceCheckUtils]: 3: Hoare triple {674#true} assume 0 < #StackHeapBarrier; {674#true} is VALID [2020-07-18 06:33:47,561 INFO L280 TraceCheckUtils]: 4: Hoare triple {674#true} ~N~0 := 0; {674#true} is VALID [2020-07-18 06:33:47,561 INFO L280 TraceCheckUtils]: 5: Hoare triple {674#true} assume true; {674#true} is VALID [2020-07-18 06:33:47,562 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {674#true} {674#true} #151#return; {674#true} is VALID [2020-07-18 06:33:47,562 INFO L263 TraceCheckUtils]: 7: Hoare triple {674#true} call #t~ret14 := main(); {674#true} is VALID [2020-07-18 06:33:47,562 INFO L280 TraceCheckUtils]: 8: Hoare triple {674#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {674#true} is VALID [2020-07-18 06:33:47,563 INFO L280 TraceCheckUtils]: 9: Hoare triple {674#true} ~N~0 := #t~nondet0; {674#true} is VALID [2020-07-18 06:33:47,563 INFO L280 TraceCheckUtils]: 10: Hoare triple {674#true} havoc #t~nondet0; {674#true} is VALID [2020-07-18 06:33:47,564 INFO L280 TraceCheckUtils]: 11: Hoare triple {674#true} assume !(~N~0 <= 0); {682#(<= 1 ~N~0)} is VALID [2020-07-18 06:33:47,564 INFO L263 TraceCheckUtils]: 12: Hoare triple {682#(<= 1 ~N~0)} call assume_abort_if_not((if ~N~0 <= 536870911 then 1 else 0)); {674#true} is VALID [2020-07-18 06:33:47,565 INFO L280 TraceCheckUtils]: 13: Hoare triple {674#true} ~cond := #in~cond; {674#true} is VALID [2020-07-18 06:33:47,565 INFO L280 TraceCheckUtils]: 14: Hoare triple {674#true} assume !(0 == ~cond); {674#true} is VALID [2020-07-18 06:33:47,566 INFO L280 TraceCheckUtils]: 15: Hoare triple {674#true} assume true; {674#true} is VALID [2020-07-18 06:33:47,567 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {674#true} {682#(<= 1 ~N~0)} #147#return; {682#(<= 1 ~N~0)} is VALID [2020-07-18 06:33:47,567 INFO L280 TraceCheckUtils]: 17: Hoare triple {682#(<= 1 ~N~0)} havoc ~i~0; {682#(<= 1 ~N~0)} is VALID [2020-07-18 06:33:47,568 INFO L280 TraceCheckUtils]: 18: Hoare triple {682#(<= 1 ~N~0)} SUMMARY for call ~#sum~0.base, ~#sum~0.offset := #Ultimate.allocOnStack(8); srcloc: L26 {682#(<= 1 ~N~0)} is VALID [2020-07-18 06:33:47,569 INFO L280 TraceCheckUtils]: 19: Hoare triple {682#(<= 1 ~N~0)} SUMMARY for call #t~malloc1.base, #t~malloc1.offset := #Ultimate.allocOnHeap(8 * ~N~0); srcloc: L26-1 {682#(<= 1 ~N~0)} is VALID [2020-07-18 06:33:47,570 INFO L280 TraceCheckUtils]: 20: Hoare triple {682#(<= 1 ~N~0)} ~a~0.base, ~a~0.offset := #t~malloc1.base, #t~malloc1.offset; {682#(<= 1 ~N~0)} is VALID [2020-07-18 06:33:47,571 INFO L280 TraceCheckUtils]: 21: Hoare triple {682#(<= 1 ~N~0)} SUMMARY for call write~int(0, ~#sum~0.base, ~#sum~0.offset, 8); srcloc: L29 {682#(<= 1 ~N~0)} is VALID [2020-07-18 06:33:47,572 INFO L280 TraceCheckUtils]: 22: Hoare triple {682#(<= 1 ~N~0)} ~i~0 := 0; {687#(and (= 0 main_~i~0) (<= 1 ~N~0))} is VALID [2020-07-18 06:33:47,573 INFO L280 TraceCheckUtils]: 23: Hoare triple {687#(and (= 0 main_~i~0) (<= 1 ~N~0))} assume !(~i~0 < ~N~0); {675#false} is VALID [2020-07-18 06:33:47,573 INFO L280 TraceCheckUtils]: 24: Hoare triple {675#false} ~i~0 := 0; {675#false} is VALID [2020-07-18 06:33:47,574 INFO L280 TraceCheckUtils]: 25: Hoare triple {675#false} assume !(~i~0 < ~N~0); {675#false} is VALID [2020-07-18 06:33:47,574 INFO L280 TraceCheckUtils]: 26: Hoare triple {675#false} ~i~0 := 0; {675#false} is VALID [2020-07-18 06:33:47,574 INFO L280 TraceCheckUtils]: 27: Hoare triple {675#false} assume !(~i~0 < ~N~0); {675#false} is VALID [2020-07-18 06:33:47,575 INFO L280 TraceCheckUtils]: 28: Hoare triple {675#false} ~i~0 := 0; {675#false} is VALID [2020-07-18 06:33:47,575 INFO L280 TraceCheckUtils]: 29: Hoare triple {675#false} assume !(~i~0 < ~N~0); {675#false} is VALID [2020-07-18 06:33:47,575 INFO L280 TraceCheckUtils]: 30: Hoare triple {675#false} ~i~0 := 0; {675#false} is VALID [2020-07-18 06:33:47,576 INFO L280 TraceCheckUtils]: 31: Hoare triple {675#false} assume !(~i~0 < ~N~0); {675#false} is VALID [2020-07-18 06:33:47,576 INFO L280 TraceCheckUtils]: 32: Hoare triple {675#false} SUMMARY for call #t~mem13 := read~int(~#sum~0.base, ~#sum~0.offset, 8); srcloc: L50-6 {675#false} is VALID [2020-07-18 06:33:47,577 INFO L263 TraceCheckUtils]: 33: Hoare triple {675#false} call __VERIFIER_assert((if #t~mem13 == ~N~0 * (1 + ~N~0) then 1 else 0)); {675#false} is VALID [2020-07-18 06:33:47,577 INFO L280 TraceCheckUtils]: 34: Hoare triple {675#false} ~cond := #in~cond; {675#false} is VALID [2020-07-18 06:33:47,577 INFO L280 TraceCheckUtils]: 35: Hoare triple {675#false} assume 0 == ~cond; {675#false} is VALID [2020-07-18 06:33:47,578 INFO L280 TraceCheckUtils]: 36: Hoare triple {675#false} assume !false; {675#false} is VALID [2020-07-18 06:33:47,581 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 06:33:47,582 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1178089807] [2020-07-18 06:33:47,582 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 06:33:47,582 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-18 06:33:47,583 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409923190] [2020-07-18 06:33:47,585 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2020-07-18 06:33:47,585 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 06:33:47,585 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-18 06:33:47,635 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 37 edges. 37 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 06:33:47,636 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-18 06:33:47,636 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 06:33:47,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-18 06:33:47,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-18 06:33:47,637 INFO L87 Difference]: Start difference. First operand 70 states and 74 transitions. Second operand 5 states. [2020-07-18 06:33:48,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:33:48,252 INFO L93 Difference]: Finished difference Result 144 states and 156 transitions. [2020-07-18 06:33:48,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-18 06:33:48,252 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2020-07-18 06:33:48,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 06:33:48,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-18 06:33:48,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 156 transitions. [2020-07-18 06:33:48,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-18 06:33:48,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 156 transitions. [2020-07-18 06:33:48,266 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 156 transitions. [2020-07-18 06:33:48,476 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 156 edges. 156 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 06:33:48,482 INFO L225 Difference]: With dead ends: 144 [2020-07-18 06:33:48,483 INFO L226 Difference]: Without dead ends: 102 [2020-07-18 06:33:48,484 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 06:33:48,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2020-07-18 06:33:48,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 75. [2020-07-18 06:33:48,612 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 06:33:48,613 INFO L82 GeneralOperation]: Start isEquivalent. First operand 102 states. Second operand 75 states. [2020-07-18 06:33:48,613 INFO L74 IsIncluded]: Start isIncluded. First operand 102 states. Second operand 75 states. [2020-07-18 06:33:48,613 INFO L87 Difference]: Start difference. First operand 102 states. Second operand 75 states. [2020-07-18 06:33:48,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:33:48,620 INFO L93 Difference]: Finished difference Result 102 states and 106 transitions. [2020-07-18 06:33:48,621 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 106 transitions. [2020-07-18 06:33:48,623 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:33:48,625 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:33:48,625 INFO L74 IsIncluded]: Start isIncluded. First operand 75 states. Second operand 102 states. [2020-07-18 06:33:48,625 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 102 states. [2020-07-18 06:33:48,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:33:48,634 INFO L93 Difference]: Finished difference Result 102 states and 106 transitions. [2020-07-18 06:33:48,635 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 106 transitions. [2020-07-18 06:33:48,639 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:33:48,639 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:33:48,639 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 06:33:48,640 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 06:33:48,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-07-18 06:33:48,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 79 transitions. [2020-07-18 06:33:48,644 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 79 transitions. Word has length 37 [2020-07-18 06:33:48,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 06:33:48,645 INFO L479 AbstractCegarLoop]: Abstraction has 75 states and 79 transitions. [2020-07-18 06:33:48,646 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-18 06:33:48,646 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 75 states and 79 transitions. [2020-07-18 06:33:48,748 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 79 edges. 79 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 06:33:48,749 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 79 transitions. [2020-07-18 06:33:48,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-07-18 06:33:48,751 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 06:33:48,751 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] [2020-07-18 06:33:48,751 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-18 06:33:48,752 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 06:33:48,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 06:33:48,752 INFO L82 PathProgramCache]: Analyzing trace with hash -1805527949, now seen corresponding path program 1 times [2020-07-18 06:33:48,752 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 06:33:48,753 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1916062991] [2020-07-18 06:33:48,753 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 06:33:48,789 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-07-18 06:33:48,790 WARN L168 FreeRefinementEngine]: Strategy FIXED_PREFERENCES was unsuccessful and could not determine trace feasibility [2020-07-18 06:33:48,790 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-18 06:33:48,795 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-18 06:33:48,813 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-18 06:33:48,814 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 06:33:48,814 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 06:33:48,814 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2020-07-18 06:33:48,814 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-18 06:33:48,814 WARN L170 areAnnotationChecker]: __VERIFIER_assertENTRY has no Hoare annotation [2020-07-18 06:33:48,814 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 06:33:48,815 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 06:33:48,815 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 06:33:48,815 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-18 06:33:48,815 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-18 06:33:48,815 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-18 06:33:48,815 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-18 06:33:48,815 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-18 06:33:48,815 WARN L170 areAnnotationChecker]: L-1-1 has no Hoare annotation [2020-07-18 06:33:48,816 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-18 06:33:48,816 WARN L170 areAnnotationChecker]: L11-1 has no Hoare annotation [2020-07-18 06:33:48,816 WARN L170 areAnnotationChecker]: L11-3 has no Hoare annotation [2020-07-18 06:33:48,816 WARN L170 areAnnotationChecker]: L21-1 has no Hoare annotation [2020-07-18 06:33:48,816 WARN L170 areAnnotationChecker]: L13-1 has no Hoare annotation [2020-07-18 06:33:48,816 WARN L170 areAnnotationChecker]: L13-1 has no Hoare annotation [2020-07-18 06:33:48,816 WARN L170 areAnnotationChecker]: L13-3 has no Hoare annotation [2020-07-18 06:33:48,817 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2020-07-18 06:33:48,817 WARN L170 areAnnotationChecker]: assume_abort_if_notEXIT has no Hoare annotation [2020-07-18 06:33:48,817 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-18 06:33:48,817 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-18 06:33:48,817 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2020-07-18 06:33:48,817 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-18 06:33:48,817 WARN L170 areAnnotationChecker]: L23-1 has no Hoare annotation [2020-07-18 06:33:48,817 WARN L170 areAnnotationChecker]: L22-1 has no Hoare annotation [2020-07-18 06:33:48,818 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-18 06:33:48,818 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-18 06:33:48,818 WARN L170 areAnnotationChecker]: L55-1 has no Hoare annotation [2020-07-18 06:33:48,818 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-18 06:33:48,818 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2020-07-18 06:33:48,818 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-18 06:33:48,818 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-18 06:33:48,819 WARN L170 areAnnotationChecker]: L26-1 has no Hoare annotation [2020-07-18 06:33:48,819 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-18 06:33:48,819 WARN L170 areAnnotationChecker]: L26-2 has no Hoare annotation [2020-07-18 06:33:48,819 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2020-07-18 06:33:48,819 WARN L170 areAnnotationChecker]: L26-3 has no Hoare annotation [2020-07-18 06:33:48,819 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2020-07-18 06:33:48,819 WARN L170 areAnnotationChecker]: L29-1 has no Hoare annotation [2020-07-18 06:33:48,819 WARN L170 areAnnotationChecker]: L30-4 has no Hoare annotation [2020-07-18 06:33:48,819 WARN L170 areAnnotationChecker]: L30-4 has no Hoare annotation [2020-07-18 06:33:48,820 WARN L170 areAnnotationChecker]: L30-4 has no Hoare annotation [2020-07-18 06:33:48,820 WARN L170 areAnnotationChecker]: L30-5 has no Hoare annotation [2020-07-18 06:33:48,820 WARN L170 areAnnotationChecker]: L32 has no Hoare annotation [2020-07-18 06:33:48,820 WARN L170 areAnnotationChecker]: L35-5 has no Hoare annotation [2020-07-18 06:33:48,820 WARN L170 areAnnotationChecker]: L35-5 has no Hoare annotation [2020-07-18 06:33:48,820 WARN L170 areAnnotationChecker]: L35-5 has no Hoare annotation [2020-07-18 06:33:48,820 WARN L170 areAnnotationChecker]: L32-1 has no Hoare annotation [2020-07-18 06:33:48,820 WARN L170 areAnnotationChecker]: L35-6 has no Hoare annotation [2020-07-18 06:33:48,821 WARN L170 areAnnotationChecker]: L37 has no Hoare annotation [2020-07-18 06:33:48,821 WARN L170 areAnnotationChecker]: L30-2 has no Hoare annotation [2020-07-18 06:33:48,821 WARN L170 areAnnotationChecker]: L40-4 has no Hoare annotation [2020-07-18 06:33:48,821 WARN L170 areAnnotationChecker]: L40-4 has no Hoare annotation [2020-07-18 06:33:48,821 WARN L170 areAnnotationChecker]: L40-4 has no Hoare annotation [2020-07-18 06:33:48,821 WARN L170 areAnnotationChecker]: L37-1 has no Hoare annotation [2020-07-18 06:33:48,821 WARN L170 areAnnotationChecker]: L30-3 has no Hoare annotation [2020-07-18 06:33:48,822 WARN L170 areAnnotationChecker]: L40-5 has no Hoare annotation [2020-07-18 06:33:48,822 WARN L170 areAnnotationChecker]: L42 has no Hoare annotation [2020-07-18 06:33:48,822 WARN L170 areAnnotationChecker]: L37-2 has no Hoare annotation [2020-07-18 06:33:48,822 WARN L170 areAnnotationChecker]: L45-5 has no Hoare annotation [2020-07-18 06:33:48,822 WARN L170 areAnnotationChecker]: L45-5 has no Hoare annotation [2020-07-18 06:33:48,822 WARN L170 areAnnotationChecker]: L45-5 has no Hoare annotation [2020-07-18 06:33:48,822 WARN L170 areAnnotationChecker]: L42-1 has no Hoare annotation [2020-07-18 06:33:48,822 WARN L170 areAnnotationChecker]: L37-3 has no Hoare annotation [2020-07-18 06:33:48,823 WARN L170 areAnnotationChecker]: L45-6 has no Hoare annotation [2020-07-18 06:33:48,823 WARN L170 areAnnotationChecker]: L47 has no Hoare annotation [2020-07-18 06:33:48,823 WARN L170 areAnnotationChecker]: L40-2 has no Hoare annotation [2020-07-18 06:33:48,823 WARN L170 areAnnotationChecker]: L37-4 has no Hoare annotation [2020-07-18 06:33:48,823 WARN L170 areAnnotationChecker]: L50-5 has no Hoare annotation [2020-07-18 06:33:48,823 WARN L170 areAnnotationChecker]: L50-5 has no Hoare annotation [2020-07-18 06:33:48,823 WARN L170 areAnnotationChecker]: L50-5 has no Hoare annotation [2020-07-18 06:33:48,823 WARN L170 areAnnotationChecker]: L47-1 has no Hoare annotation [2020-07-18 06:33:48,824 WARN L170 areAnnotationChecker]: L40-3 has no Hoare annotation [2020-07-18 06:33:48,824 WARN L170 areAnnotationChecker]: L35-2 has no Hoare annotation [2020-07-18 06:33:48,824 WARN L170 areAnnotationChecker]: L50-6 has no Hoare annotation [2020-07-18 06:33:48,824 WARN L170 areAnnotationChecker]: L52 has no Hoare annotation [2020-07-18 06:33:48,824 WARN L170 areAnnotationChecker]: L47-2 has no Hoare annotation [2020-07-18 06:33:48,824 WARN L170 areAnnotationChecker]: L35-3 has no Hoare annotation [2020-07-18 06:33:48,824 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2020-07-18 06:33:48,824 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2020-07-18 06:33:48,824 WARN L170 areAnnotationChecker]: L52-1 has no Hoare annotation [2020-07-18 06:33:48,825 WARN L170 areAnnotationChecker]: L47-3 has no Hoare annotation [2020-07-18 06:33:48,825 WARN L170 areAnnotationChecker]: L35-4 has no Hoare annotation [2020-07-18 06:33:48,825 WARN L170 areAnnotationChecker]: L52-2 has no Hoare annotation [2020-07-18 06:33:48,825 WARN L170 areAnnotationChecker]: L47-4 has no Hoare annotation [2020-07-18 06:33:48,825 WARN L170 areAnnotationChecker]: L52-3 has no Hoare annotation [2020-07-18 06:33:48,825 WARN L170 areAnnotationChecker]: L45-2 has no Hoare annotation [2020-07-18 06:33:48,825 WARN L170 areAnnotationChecker]: L52-4 has no Hoare annotation [2020-07-18 06:33:48,826 WARN L170 areAnnotationChecker]: L45-3 has no Hoare annotation [2020-07-18 06:33:48,826 WARN L170 areAnnotationChecker]: L50-2 has no Hoare annotation [2020-07-18 06:33:48,826 WARN L170 areAnnotationChecker]: L45-4 has no Hoare annotation [2020-07-18 06:33:48,826 WARN L170 areAnnotationChecker]: L50-3 has no Hoare annotation [2020-07-18 06:33:48,826 WARN L170 areAnnotationChecker]: L50-4 has no Hoare annotation [2020-07-18 06:33:48,826 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 06:33:48,830 WARN L231 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-07-18 06:33:48,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.07 06:33:48 BoogieIcfgContainer [2020-07-18 06:33:48,830 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-18 06:33:48,834 INFO L168 Benchmark]: Toolchain (without parser) took 4132.19 ms. Allocated memory was 138.4 MB in the beginning and 246.9 MB in the end (delta: 108.5 MB). Free memory was 103.1 MB in the beginning and 174.1 MB in the end (delta: -71.0 MB). Peak memory consumption was 37.6 MB. Max. memory is 7.1 GB. [2020-07-18 06:33:48,834 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 138.4 MB. Free memory is still 121.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-18 06:33:48,835 INFO L168 Benchmark]: CACSL2BoogieTranslator took 334.61 ms. Allocated memory is still 138.4 MB. Free memory was 103.1 MB in the beginning and 91.7 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2020-07-18 06:33:48,836 INFO L168 Benchmark]: Boogie Preprocessor took 129.00 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 91.7 MB in the beginning and 179.7 MB in the end (delta: -88.0 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. [2020-07-18 06:33:48,837 INFO L168 Benchmark]: RCFGBuilder took 659.13 ms. Allocated memory is still 201.9 MB. Free memory was 179.7 MB in the beginning and 143.9 MB in the end (delta: 35.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 7.1 GB. [2020-07-18 06:33:48,838 INFO L168 Benchmark]: TraceAbstraction took 3002.01 ms. Allocated memory was 201.9 MB in the beginning and 246.9 MB in the end (delta: 45.1 MB). Free memory was 143.9 MB in the beginning and 174.1 MB in the end (delta: -30.2 MB). Peak memory consumption was 14.9 MB. Max. memory is 7.1 GB. [2020-07-18 06:33:48,841 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 0.32 ms. Allocated memory is still 138.4 MB. Free memory is still 121.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 334.61 ms. Allocated memory is still 138.4 MB. Free memory was 103.1 MB in the beginning and 91.7 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 129.00 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 91.7 MB in the beginning and 179.7 MB in the end (delta: -88.0 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 659.13 ms. Allocated memory is still 201.9 MB. Free memory was 179.7 MB in the beginning and 143.9 MB in the end (delta: 35.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3002.01 ms. Allocated memory was 201.9 MB in the beginning and 246.9 MB in the end (delta: 45.1 MB). Free memory was 143.9 MB in the beginning and 174.1 MB in the end (delta: -30.2 MB). Peak memory consumption was 14.9 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