/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/sqm-iff.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-46f3038-m [2020-07-08 23:36:19,341 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 23:36:19,345 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 23:36:19,358 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-08 23:36:19,358 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-08 23:36:19,359 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-08 23:36:19,360 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-08 23:36:19,362 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-08 23:36:19,364 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-08 23:36:19,365 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-08 23:36:19,366 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-08 23:36:19,367 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-08 23:36:19,367 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 23:36:19,368 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 23:36:19,369 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 23:36:19,370 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 23:36:19,371 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 23:36:19,372 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 23:36:19,374 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 23:36:19,376 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 23:36:19,378 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 23:36:19,379 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 23:36:19,380 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 23:36:19,381 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 23:36:19,383 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-08 23:36:19,384 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-08 23:36:19,384 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-08 23:36:19,385 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-08 23:36:19,385 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-08 23:36:19,386 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-08 23:36:19,386 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-08 23:36:19,387 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-08 23:36:19,388 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-08 23:36:19,389 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-08 23:36:19,390 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-08 23:36:19,390 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-08 23:36:19,391 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-08 23:36:19,391 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-08 23:36:19,391 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-08 23:36:19,392 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-08 23:36:19,393 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-08 23:36:19,394 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-08 23:36:19,403 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 23:36:19,404 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 23:36:19,405 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 23:36:19,405 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-08 23:36:19,405 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 23:36:19,405 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-08 23:36:19,406 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 23:36:19,406 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 23:36:19,406 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 23:36:19,406 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 23:36:19,406 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-08 23:36:19,407 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 23:36:19,407 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 23:36:19,407 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 23:36:19,407 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 23:36:19,407 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-08 23:36:19,408 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 23:36:19,408 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 23:36:19,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 23:36:19,408 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 23:36:19,408 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-08 23:36:19,409 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 23:36:19,409 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-08 23:36:19,703 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 23:36:19,718 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 23:36:19,722 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 23:36:19,724 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 23:36:19,724 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 23:36:19,725 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/sqm-iff.c [2020-07-08 23:36:19,794 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78f9b376f/30827881955f4ad8ad28c53881faefa0/FLAG8fd199dd8 [2020-07-08 23:36:20,229 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 23:36:20,229 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/sqm-iff.c [2020-07-08 23:36:20,237 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78f9b376f/30827881955f4ad8ad28c53881faefa0/FLAG8fd199dd8 [2020-07-08 23:36:20,589 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78f9b376f/30827881955f4ad8ad28c53881faefa0 [2020-07-08 23:36:20,599 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 23:36:20,601 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 23:36:20,602 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 23:36:20,602 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 23:36:20,606 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 23:36:20,608 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 11:36:20" (1/1) ... [2020-07-08 23:36:20,612 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73d5db11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:36:20, skipping insertion in model container [2020-07-08 23:36:20,612 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 11:36:20" (1/1) ... [2020-07-08 23:36:20,621 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 23:36:20,641 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 23:36:20,825 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 23:36:20,843 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 23:36:20,893 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 23:36:20,919 INFO L208 MainTranslator]: Completed translation [2020-07-08 23:36:20,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:36:20 WrapperNode [2020-07-08 23:36:20,920 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 23:36:20,921 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 23:36:20,921 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 23:36:20,921 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 23:36:21,067 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:36:20" (1/1) ... [2020-07-08 23:36:21,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:36:20" (1/1) ... [2020-07-08 23:36:21,080 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:36:20" (1/1) ... [2020-07-08 23:36:21,080 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:36:20" (1/1) ... [2020-07-08 23:36:21,109 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:36:20" (1/1) ... [2020-07-08 23:36:21,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:36:20" (1/1) ... [2020-07-08 23:36:21,131 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:36:20" (1/1) ... [2020-07-08 23:36:21,134 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 23:36:21,135 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 23:36:21,136 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 23:36:21,136 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 23:36:21,138 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:36:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 23:36:21,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 23:36:21,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 23:36:21,218 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-08 23:36:21,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-08 23:36:21,218 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 23:36:21,218 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 23:36:21,218 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-08 23:36:21,218 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-08 23:36:21,218 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-08 23:36:21,219 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-08 23:36:21,219 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-08 23:36:21,219 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 23:36:21,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-08 23:36:21,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-08 23:36:21,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-08 23:36:21,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 23:36:21,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 23:36:21,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-08 23:36:21,704 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 23:36:21,704 INFO L295 CfgBuilder]: Removed 3 assume(true) statements. [2020-07-08 23:36:21,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 11:36:21 BoogieIcfgContainer [2020-07-08 23:36:21,709 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 23:36:21,710 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 23:36:21,710 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 23:36:21,713 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 23:36:21,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 11:36:20" (1/3) ... [2020-07-08 23:36:21,714 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66f82cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 11:36:21, skipping insertion in model container [2020-07-08 23:36:21,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:36:20" (2/3) ... [2020-07-08 23:36:21,715 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66f82cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 11:36:21, skipping insertion in model container [2020-07-08 23:36:21,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 11:36:21" (3/3) ... [2020-07-08 23:36:21,717 INFO L109 eAbstractionObserver]: Analyzing ICFG sqm-iff.c [2020-07-08 23:36:21,727 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-08 23:36:21,735 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-08 23:36:21,749 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-08 23:36:21,772 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 23:36:21,772 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 23:36:21,772 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-08 23:36:21,773 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 23:36:21,773 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 23:36:21,773 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 23:36:21,773 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 23:36:21,774 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 23:36:21,790 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states. [2020-07-08 23:36:21,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-07-08 23:36:21,802 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 23:36:21,803 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] [2020-07-08 23:36:21,804 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 23:36:21,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 23:36:21,810 INFO L82 PathProgramCache]: Analyzing trace with hash 1150160147, now seen corresponding path program 1 times [2020-07-08 23:36:21,820 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 23:36:21,820 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1163501122] [2020-07-08 23:36:21,821 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 23:36:21,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:36:22,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:36:22,136 INFO L280 TraceCheckUtils]: 0: Hoare triple {82#(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; {68#true} is VALID [2020-07-08 23:36:22,137 INFO L280 TraceCheckUtils]: 1: Hoare triple {68#true} #valid := #valid[0 := 0]; {68#true} is VALID [2020-07-08 23:36:22,137 INFO L280 TraceCheckUtils]: 2: Hoare triple {68#true} assume 0 < #StackHeapBarrier; {68#true} is VALID [2020-07-08 23:36:22,138 INFO L280 TraceCheckUtils]: 3: Hoare triple {68#true} ~N~0 := 0; {68#true} is VALID [2020-07-08 23:36:22,142 INFO L280 TraceCheckUtils]: 4: Hoare triple {68#true} assume true; {68#true} is VALID [2020-07-08 23:36:22,142 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {68#true} {68#true} #120#return; {68#true} is VALID [2020-07-08 23:36:22,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:36:22,155 INFO L280 TraceCheckUtils]: 0: Hoare triple {68#true} ~cond := #in~cond; {68#true} is VALID [2020-07-08 23:36:22,156 INFO L280 TraceCheckUtils]: 1: Hoare triple {68#true} assume !(0 == ~cond); {68#true} is VALID [2020-07-08 23:36:22,156 INFO L280 TraceCheckUtils]: 2: Hoare triple {68#true} assume true; {68#true} is VALID [2020-07-08 23:36:22,158 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {68#true} {76#(<= 1 ~N~0)} #116#return; {76#(<= 1 ~N~0)} is VALID [2020-07-08 23:36:22,160 INFO L263 TraceCheckUtils]: 0: Hoare triple {68#true} call ULTIMATE.init(); {82#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~N~0 |old(~N~0)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 23:36:22,160 INFO L280 TraceCheckUtils]: 1: Hoare triple {82#(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; {68#true} is VALID [2020-07-08 23:36:22,160 INFO L280 TraceCheckUtils]: 2: Hoare triple {68#true} #valid := #valid[0 := 0]; {68#true} is VALID [2020-07-08 23:36:22,161 INFO L280 TraceCheckUtils]: 3: Hoare triple {68#true} assume 0 < #StackHeapBarrier; {68#true} is VALID [2020-07-08 23:36:22,161 INFO L280 TraceCheckUtils]: 4: Hoare triple {68#true} ~N~0 := 0; {68#true} is VALID [2020-07-08 23:36:22,162 INFO L280 TraceCheckUtils]: 5: Hoare triple {68#true} assume true; {68#true} is VALID [2020-07-08 23:36:22,162 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {68#true} {68#true} #120#return; {68#true} is VALID [2020-07-08 23:36:22,163 INFO L263 TraceCheckUtils]: 7: Hoare triple {68#true} call #t~ret10 := main(); {68#true} is VALID [2020-07-08 23:36:22,163 INFO L280 TraceCheckUtils]: 8: Hoare triple {68#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {68#true} is VALID [2020-07-08 23:36:22,163 INFO L280 TraceCheckUtils]: 9: Hoare triple {68#true} ~N~0 := #t~nondet0; {68#true} is VALID [2020-07-08 23:36:22,164 INFO L280 TraceCheckUtils]: 10: Hoare triple {68#true} havoc #t~nondet0; {68#true} is VALID [2020-07-08 23:36:22,165 INFO L280 TraceCheckUtils]: 11: Hoare triple {68#true} assume !(~N~0 <= 0); {76#(<= 1 ~N~0)} is VALID [2020-07-08 23:36:22,166 INFO L263 TraceCheckUtils]: 12: Hoare triple {76#(<= 1 ~N~0)} call assume_abort_if_not((if ~N~0 <= 536870911 then 1 else 0)); {68#true} is VALID [2020-07-08 23:36:22,166 INFO L280 TraceCheckUtils]: 13: Hoare triple {68#true} ~cond := #in~cond; {68#true} is VALID [2020-07-08 23:36:22,167 INFO L280 TraceCheckUtils]: 14: Hoare triple {68#true} assume !(0 == ~cond); {68#true} is VALID [2020-07-08 23:36:22,167 INFO L280 TraceCheckUtils]: 15: Hoare triple {68#true} assume true; {68#true} is VALID [2020-07-08 23:36:22,169 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {68#true} {76#(<= 1 ~N~0)} #116#return; {76#(<= 1 ~N~0)} is VALID [2020-07-08 23:36:22,170 INFO L280 TraceCheckUtils]: 17: Hoare triple {76#(<= 1 ~N~0)} havoc ~i~0; {76#(<= 1 ~N~0)} is VALID [2020-07-08 23:36:22,171 INFO L280 TraceCheckUtils]: 18: Hoare triple {76#(<= 1 ~N~0)} SUMMARY for call #t~malloc1.base, #t~malloc1.offset := #Ultimate.allocOnHeap(8 * ~N~0); srcloc: L26 {76#(<= 1 ~N~0)} is VALID [2020-07-08 23:36:22,172 INFO L280 TraceCheckUtils]: 19: Hoare triple {76#(<= 1 ~N~0)} ~a~0.base, ~a~0.offset := #t~malloc1.base, #t~malloc1.offset; {76#(<= 1 ~N~0)} is VALID [2020-07-08 23:36:22,173 INFO L280 TraceCheckUtils]: 20: Hoare triple {76#(<= 1 ~N~0)} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(8 * ~N~0); srcloc: L27 {76#(<= 1 ~N~0)} is VALID [2020-07-08 23:36:22,174 INFO L280 TraceCheckUtils]: 21: Hoare triple {76#(<= 1 ~N~0)} ~b~0.base, ~b~0.offset := #t~malloc2.base, #t~malloc2.offset; {76#(<= 1 ~N~0)} is VALID [2020-07-08 23:36:22,176 INFO L280 TraceCheckUtils]: 22: Hoare triple {76#(<= 1 ~N~0)} ~i~0 := 0; {81#(and (= 0 main_~i~0) (<= 1 ~N~0))} is VALID [2020-07-08 23:36:22,177 INFO L280 TraceCheckUtils]: 23: Hoare triple {81#(and (= 0 main_~i~0) (<= 1 ~N~0))} assume !(~i~0 < ~N~0); {69#false} is VALID [2020-07-08 23:36:22,178 INFO L280 TraceCheckUtils]: 24: Hoare triple {69#false} ~i~0 := 0; {69#false} is VALID [2020-07-08 23:36:22,178 INFO L280 TraceCheckUtils]: 25: Hoare triple {69#false} assume !(~i~0 < ~N~0); {69#false} is VALID [2020-07-08 23:36:22,179 INFO L280 TraceCheckUtils]: 26: Hoare triple {69#false} ~i~0 := 0; {69#false} is VALID [2020-07-08 23:36:22,179 INFO L280 TraceCheckUtils]: 27: Hoare triple {69#false} assume !!(~i~0 < ~N~0); {69#false} is VALID [2020-07-08 23:36:22,180 INFO L280 TraceCheckUtils]: 28: Hoare triple {69#false} SUMMARY for call #t~mem9 := read~int(~a~0.base, ~a~0.offset + 8 * ~i~0, 8); srcloc: L49 {69#false} is VALID [2020-07-08 23:36:22,180 INFO L263 TraceCheckUtils]: 29: Hoare triple {69#false} call __VERIFIER_assert((if #t~mem9 == ~i~0 * ~i~0 then 1 else 0)); {69#false} is VALID [2020-07-08 23:36:22,180 INFO L280 TraceCheckUtils]: 30: Hoare triple {69#false} ~cond := #in~cond; {69#false} is VALID [2020-07-08 23:36:22,181 INFO L280 TraceCheckUtils]: 31: Hoare triple {69#false} assume 0 == ~cond; {69#false} is VALID [2020-07-08 23:36:22,181 INFO L280 TraceCheckUtils]: 32: Hoare triple {69#false} assume !false; {69#false} is VALID [2020-07-08 23:36:22,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 23:36:22,189 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1163501122] [2020-07-08 23:36:22,191 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 23:36:22,191 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-08 23:36:22,192 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546757762] [2020-07-08 23:36:22,199 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-07-08 23:36:22,202 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 23:36:22,206 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-08 23:36:22,270 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:36:22,271 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-08 23:36:22,271 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 23:36:22,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-08 23:36:22,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-08 23:36:22,284 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 5 states. [2020-07-08 23:36:23,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:36:23,198 INFO L93 Difference]: Finished difference Result 131 states and 159 transitions. [2020-07-08 23:36:23,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-08 23:36:23,199 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-07-08 23:36:23,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 23:36:23,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-08 23:36:23,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 159 transitions. [2020-07-08 23:36:23,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-08 23:36:23,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 159 transitions. [2020-07-08 23:36:23,234 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 159 transitions. [2020-07-08 23:36:23,447 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 159 edges. 159 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:36:23,465 INFO L225 Difference]: With dead ends: 131 [2020-07-08 23:36:23,465 INFO L226 Difference]: Without dead ends: 72 [2020-07-08 23:36:23,470 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-08 23:36:23,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-07-08 23:36:23,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 62. [2020-07-08 23:36:23,633 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 23:36:23,634 INFO L82 GeneralOperation]: Start isEquivalent. First operand 72 states. Second operand 62 states. [2020-07-08 23:36:23,634 INFO L74 IsIncluded]: Start isIncluded. First operand 72 states. Second operand 62 states. [2020-07-08 23:36:23,635 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 62 states. [2020-07-08 23:36:23,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:36:23,644 INFO L93 Difference]: Finished difference Result 72 states and 77 transitions. [2020-07-08 23:36:23,645 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 77 transitions. [2020-07-08 23:36:23,646 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:36:23,646 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:36:23,647 INFO L74 IsIncluded]: Start isIncluded. First operand 62 states. Second operand 72 states. [2020-07-08 23:36:23,647 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 72 states. [2020-07-08 23:36:23,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:36:23,655 INFO L93 Difference]: Finished difference Result 72 states and 77 transitions. [2020-07-08 23:36:23,655 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 77 transitions. [2020-07-08 23:36:23,657 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:36:23,657 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:36:23,657 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 23:36:23,657 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 23:36:23,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-07-08 23:36:23,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 66 transitions. [2020-07-08 23:36:23,664 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 66 transitions. Word has length 33 [2020-07-08 23:36:23,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 23:36:23,665 INFO L479 AbstractCegarLoop]: Abstraction has 62 states and 66 transitions. [2020-07-08 23:36:23,665 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-08 23:36:23,665 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 62 states and 66 transitions. [2020-07-08 23:36:23,772 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 66 edges. 66 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:36:23,772 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 66 transitions. [2020-07-08 23:36:23,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-07-08 23:36:23,774 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 23:36:23,774 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] [2020-07-08 23:36:23,775 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 23:36:23,775 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 23:36:23,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 23:36:23,776 INFO L82 PathProgramCache]: Analyzing trace with hash -1596799413, now seen corresponding path program 1 times [2020-07-08 23:36:23,776 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 23:36:23,776 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [805225528] [2020-07-08 23:36:23,777 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 23:36:23,807 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-07-08 23:36:23,807 WARN L168 FreeRefinementEngine]: Strategy FIXED_PREFERENCES was unsuccessful and could not determine trace feasibility [2020-07-08 23:36:23,808 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-08 23:36:23,813 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-08 23:36:23,832 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-08 23:36:23,832 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-08 23:36:23,833 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-08 23:36:23,833 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2020-07-08 23:36:23,833 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-08 23:36:23,833 WARN L170 areAnnotationChecker]: __VERIFIER_assertENTRY has no Hoare annotation [2020-07-08 23:36:23,833 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 23:36:23,833 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 23:36:23,834 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 23:36:23,834 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-08 23:36:23,834 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-08 23:36:23,834 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-08 23:36:23,834 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-08 23:36:23,834 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-08 23:36:23,835 WARN L170 areAnnotationChecker]: L-1-1 has no Hoare annotation [2020-07-08 23:36:23,835 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-08 23:36:23,835 WARN L170 areAnnotationChecker]: L11-1 has no Hoare annotation [2020-07-08 23:36:23,835 WARN L170 areAnnotationChecker]: L11-3 has no Hoare annotation [2020-07-08 23:36:23,835 WARN L170 areAnnotationChecker]: L21-1 has no Hoare annotation [2020-07-08 23:36:23,835 WARN L170 areAnnotationChecker]: L13-1 has no Hoare annotation [2020-07-08 23:36:23,836 WARN L170 areAnnotationChecker]: L13-1 has no Hoare annotation [2020-07-08 23:36:23,836 WARN L170 areAnnotationChecker]: L13-3 has no Hoare annotation [2020-07-08 23:36:23,836 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2020-07-08 23:36:23,836 WARN L170 areAnnotationChecker]: assume_abort_if_notEXIT has no Hoare annotation [2020-07-08 23:36:23,836 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-08 23:36:23,836 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-08 23:36:23,837 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2020-07-08 23:36:23,837 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-08 23:36:23,837 WARN L170 areAnnotationChecker]: L23-1 has no Hoare annotation [2020-07-08 23:36:23,837 WARN L170 areAnnotationChecker]: L22-1 has no Hoare annotation [2020-07-08 23:36:23,837 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-08 23:36:23,837 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-08 23:36:23,838 WARN L170 areAnnotationChecker]: L49-2 has no Hoare annotation [2020-07-08 23:36:23,838 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-08 23:36:23,838 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2020-07-08 23:36:23,838 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-08 23:36:23,838 WARN L170 areAnnotationChecker]: L47-2 has no Hoare annotation [2020-07-08 23:36:23,838 WARN L170 areAnnotationChecker]: L26-1 has no Hoare annotation [2020-07-08 23:36:23,838 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-08 23:36:23,838 WARN L170 areAnnotationChecker]: L47-3 has no Hoare annotation [2020-07-08 23:36:23,839 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2020-07-08 23:36:23,839 WARN L170 areAnnotationChecker]: L47-4 has no Hoare annotation [2020-07-08 23:36:23,839 WARN L170 areAnnotationChecker]: L27-1 has no Hoare annotation [2020-07-08 23:36:23,839 WARN L170 areAnnotationChecker]: L47-5 has no Hoare annotation [2020-07-08 23:36:23,839 WARN L170 areAnnotationChecker]: L47-5 has no Hoare annotation [2020-07-08 23:36:23,839 WARN L170 areAnnotationChecker]: L47-5 has no Hoare annotation [2020-07-08 23:36:23,839 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2020-07-08 23:36:23,840 WARN L170 areAnnotationChecker]: L47-6 has no Hoare annotation [2020-07-08 23:36:23,840 WARN L170 areAnnotationChecker]: L49 has no Hoare annotation [2020-07-08 23:36:23,840 WARN L170 areAnnotationChecker]: L29-6 has no Hoare annotation [2020-07-08 23:36:23,840 WARN L170 areAnnotationChecker]: L29-6 has no Hoare annotation [2020-07-08 23:36:23,840 WARN L170 areAnnotationChecker]: L29-6 has no Hoare annotation [2020-07-08 23:36:23,840 WARN L170 areAnnotationChecker]: L49-1 has no Hoare annotation [2020-07-08 23:36:23,840 WARN L170 areAnnotationChecker]: L49-1 has no Hoare annotation [2020-07-08 23:36:23,841 WARN L170 areAnnotationChecker]: L29-7 has no Hoare annotation [2020-07-08 23:36:23,841 WARN L170 areAnnotationChecker]: L31 has no Hoare annotation [2020-07-08 23:36:23,841 WARN L170 areAnnotationChecker]: L31 has no Hoare annotation [2020-07-08 23:36:23,841 WARN L170 areAnnotationChecker]: L38-5 has no Hoare annotation [2020-07-08 23:36:23,841 WARN L170 areAnnotationChecker]: L38-5 has no Hoare annotation [2020-07-08 23:36:23,841 WARN L170 areAnnotationChecker]: L38-5 has no Hoare annotation [2020-07-08 23:36:23,841 WARN L170 areAnnotationChecker]: L32 has no Hoare annotation [2020-07-08 23:36:23,842 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-08 23:36:23,842 WARN L170 areAnnotationChecker]: L38-6 has no Hoare annotation [2020-07-08 23:36:23,842 WARN L170 areAnnotationChecker]: L40 has no Hoare annotation [2020-07-08 23:36:23,842 WARN L170 areAnnotationChecker]: L40 has no Hoare annotation [2020-07-08 23:36:23,842 WARN L170 areAnnotationChecker]: L29-3 has no Hoare annotation [2020-07-08 23:36:23,842 WARN L170 areAnnotationChecker]: L34-1 has no Hoare annotation [2020-07-08 23:36:23,842 WARN L170 areAnnotationChecker]: L41 has no Hoare annotation [2020-07-08 23:36:23,843 WARN L170 areAnnotationChecker]: L43 has no Hoare annotation [2020-07-08 23:36:23,843 WARN L170 areAnnotationChecker]: L29-4 has no Hoare annotation [2020-07-08 23:36:23,843 WARN L170 areAnnotationChecker]: L34-2 has no Hoare annotation [2020-07-08 23:36:23,843 WARN L170 areAnnotationChecker]: L38-2 has no Hoare annotation [2020-07-08 23:36:23,843 WARN L170 areAnnotationChecker]: L43-1 has no Hoare annotation [2020-07-08 23:36:23,843 WARN L170 areAnnotationChecker]: L29-5 has no Hoare annotation [2020-07-08 23:36:23,843 WARN L170 areAnnotationChecker]: L38-3 has no Hoare annotation [2020-07-08 23:36:23,843 WARN L170 areAnnotationChecker]: L43-2 has no Hoare annotation [2020-07-08 23:36:23,844 WARN L170 areAnnotationChecker]: L38-4 has no Hoare annotation [2020-07-08 23:36:23,844 WARN L170 areAnnotationChecker]: L43-3 has no Hoare annotation [2020-07-08 23:36:23,844 WARN L170 areAnnotationChecker]: L43-4 has no Hoare annotation [2020-07-08 23:36:23,844 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-08 23:36:23,847 WARN L231 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-07-08 23:36:23,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.07 11:36:23 BoogieIcfgContainer [2020-07-08 23:36:23,848 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-08 23:36:23,852 INFO L168 Benchmark]: Toolchain (without parser) took 3250.17 ms. Allocated memory was 138.4 MB in the beginning and 246.4 MB in the end (delta: 108.0 MB). Free memory was 104.4 MB in the beginning and 198.2 MB in the end (delta: -93.9 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2020-07-08 23:36:23,853 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 138.4 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-08 23:36:23,854 INFO L168 Benchmark]: CACSL2BoogieTranslator took 318.00 ms. Allocated memory is still 138.4 MB. Free memory was 104.1 MB in the beginning and 93.2 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2020-07-08 23:36:23,855 INFO L168 Benchmark]: Boogie Preprocessor took 213.91 ms. Allocated memory was 138.4 MB in the beginning and 206.0 MB in the end (delta: 67.6 MB). Free memory was 93.2 MB in the beginning and 183.5 MB in the end (delta: -90.3 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. [2020-07-08 23:36:23,855 INFO L168 Benchmark]: RCFGBuilder took 573.45 ms. Allocated memory is still 206.0 MB. Free memory was 183.5 MB in the beginning and 154.4 MB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 7.1 GB. [2020-07-08 23:36:23,856 INFO L168 Benchmark]: TraceAbstraction took 2138.10 ms. Allocated memory was 206.0 MB in the beginning and 246.4 MB in the end (delta: 40.4 MB). Free memory was 154.4 MB in the beginning and 198.2 MB in the end (delta: -43.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-07-08 23:36:23,860 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 138.4 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 318.00 ms. Allocated memory is still 138.4 MB. Free memory was 104.1 MB in the beginning and 93.2 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 213.91 ms. Allocated memory was 138.4 MB in the beginning and 206.0 MB in the end (delta: 67.6 MB). Free memory was 93.2 MB in the beginning and 183.5 MB in the end (delta: -90.3 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 573.45 ms. Allocated memory is still 206.0 MB. Free memory was 183.5 MB in the beginning and 154.4 MB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2138.10 ms. Allocated memory was 206.0 MB in the beginning and 246.4 MB in the end (delta: 40.4 MB). Free memory was 154.4 MB in the beginning and 198.2 MB in the end (delta: -43.8 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 13]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L17] int N; [L21] N = __VERIFIER_nondet_int() [L22] COND FALSE !(N <= 0) [L23] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L11] COND FALSE !(!cond) [L23] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L25] int i; [L26] long long *a = malloc(sizeof(long long)*N); [L27] long long *b = malloc(sizeof(long long)*N); [L29] i=0 [L29] COND TRUE i