/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/array-fpi/eqn4f.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 22:49:02,492 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 22:49:02,494 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 22:49:02,506 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 22:49:02,507 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 22:49:02,508 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 22:49:02,509 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 22:49:02,511 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 22:49:02,513 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 22:49:02,513 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 22:49:02,514 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 22:49:02,516 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 22:49:02,516 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 22:49:02,517 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 22:49:02,518 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 22:49:02,519 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 22:49:02,520 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 22:49:02,521 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 22:49:02,523 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 22:49:02,525 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 22:49:02,527 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 22:49:02,528 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 22:49:02,529 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 22:49:02,530 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 22:49:02,533 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 22:49:02,542 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 22:49:02,543 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 22:49:02,543 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 22:49:02,544 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-17 22:49:02,560 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 22:49:02,561 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 22:49:02,562 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 22:49:02,562 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 22:49:02,562 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 22:49:02,563 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 22:49:02,563 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 22:49:02,563 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 22:49:02,563 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 22:49:02,563 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 22:49:02,564 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 22:49:02,564 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 22:49:02,564 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 22:49:02,564 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 22:49:02,564 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 22:49:02,565 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 22:49:02,565 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 22:49:02,565 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 22:49:02,565 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 22:49:02,565 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 22:49:02,566 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 22:49:02,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 22:49:02,566 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 22:49:02,566 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 22:49:02,566 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 22:49:02,567 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 22:49:02,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 22:49:02,567 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 22:49:02,567 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 22:49:02,567 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 22:49:02,862 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 22:49:02,876 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 22:49:02,880 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 22:49:02,882 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 22:49:02,882 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 22:49:02,883 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/eqn4f.c [2020-07-17 22:49:02,970 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a99c95c01/0e8a56fd450747288f1f56d7e89d2caf/FLAGa2ba1d332 [2020-07-17 22:49:03,522 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 22:49:03,522 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/eqn4f.c [2020-07-17 22:49:03,530 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a99c95c01/0e8a56fd450747288f1f56d7e89d2caf/FLAGa2ba1d332 [2020-07-17 22:49:03,865 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a99c95c01/0e8a56fd450747288f1f56d7e89d2caf [2020-07-17 22:49:03,877 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 22:49:03,881 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 22:49:03,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 22:49:03,884 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 22:49:03,888 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 22:49:03,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:49:03" (1/1) ... [2020-07-17 22:49:03,894 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a520b8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:49:03, skipping insertion in model container [2020-07-17 22:49:03,894 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:49:03" (1/1) ... [2020-07-17 22:49:03,903 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 22:49:03,923 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 22:49:04,116 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:49:04,128 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 22:49:04,152 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:49:04,169 INFO L208 MainTranslator]: Completed translation [2020-07-17 22:49:04,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:49:04 WrapperNode [2020-07-17 22:49:04,170 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 22:49:04,171 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 22:49:04,171 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 22:49:04,171 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 22:49:04,268 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:49:04" (1/1) ... [2020-07-17 22:49:04,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:49:04" (1/1) ... [2020-07-17 22:49:04,276 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:49:04" (1/1) ... [2020-07-17 22:49:04,276 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:49:04" (1/1) ... [2020-07-17 22:49:04,287 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:49:04" (1/1) ... [2020-07-17 22:49:04,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:49:04" (1/1) ... [2020-07-17 22:49:04,295 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:49:04" (1/1) ... [2020-07-17 22:49:04,298 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 22:49:04,298 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 22:49:04,298 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 22:49:04,298 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 22:49:04,299 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:49:04" (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 [2020-07-17 22:49:04,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 22:49:04,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 22:49:04,365 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-17 22:49:04,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-17 22:49:04,366 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 22:49:04,366 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 22:49:04,366 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-17 22:49:04,367 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-17 22:49:04,367 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-17 22:49:04,367 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 22:49:04,367 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 22:49:04,368 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 22:49:04,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 22:49:04,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 22:49:04,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 22:49:04,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 22:49:04,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 22:49:04,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 22:49:04,805 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 22:49:04,805 INFO L295 CfgBuilder]: Removed 3 assume(true) statements. [2020-07-17 22:49:04,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:49:04 BoogieIcfgContainer [2020-07-17 22:49:04,809 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 22:49:04,810 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 22:49:04,810 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 22:49:04,813 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 22:49:04,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 10:49:03" (1/3) ... [2020-07-17 22:49:04,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ce4142d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:49:04, skipping insertion in model container [2020-07-17 22:49:04,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:49:04" (2/3) ... [2020-07-17 22:49:04,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ce4142d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:49:04, skipping insertion in model container [2020-07-17 22:49:04,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:49:04" (3/3) ... [2020-07-17 22:49:04,817 INFO L109 eAbstractionObserver]: Analyzing ICFG eqn4f.c [2020-07-17 22:49:04,828 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 22:49:04,835 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 22:49:04,849 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 22:49:04,873 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 22:49:04,873 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 22:49:04,873 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 22:49:04,874 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 22:49:04,874 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 22:49:04,874 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 22:49:04,874 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 22:49:04,874 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 22:49:04,893 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states. [2020-07-17 22:49:04,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-17 22:49:04,899 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:49:04,900 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] [2020-07-17 22:49:04,901 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:49:04,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:49:04,907 INFO L82 PathProgramCache]: Analyzing trace with hash -1314760119, now seen corresponding path program 1 times [2020-07-17 22:49:04,916 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:49:04,917 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902643617] [2020-07-17 22:49:04,917 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:49:05,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:49:05,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:49:05,125 INFO L280 TraceCheckUtils]: 0: Hoare triple {46#(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;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~N~0 := 0; {37#true} is VALID [2020-07-17 22:49:05,126 INFO L280 TraceCheckUtils]: 1: Hoare triple {37#true} assume true; {37#true} is VALID [2020-07-17 22:49:05,126 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {37#true} {37#true} #81#return; {37#true} is VALID [2020-07-17 22:49:05,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:49:05,137 INFO L280 TraceCheckUtils]: 0: Hoare triple {37#true} ~cond := #in~cond; {37#true} is VALID [2020-07-17 22:49:05,138 INFO L280 TraceCheckUtils]: 1: Hoare triple {37#true} assume 0 == ~cond;assume false; {38#false} is VALID [2020-07-17 22:49:05,139 INFO L280 TraceCheckUtils]: 2: Hoare triple {38#false} assume true; {38#false} is VALID [2020-07-17 22:49:05,139 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {38#false} {37#true} #77#return; {38#false} is VALID [2020-07-17 22:49:05,141 INFO L263 TraceCheckUtils]: 0: Hoare triple {37#true} call ULTIMATE.init(); {46#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~N~0 |old(~N~0)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-17 22:49:05,141 INFO L280 TraceCheckUtils]: 1: Hoare triple {46#(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;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~N~0 := 0; {37#true} is VALID [2020-07-17 22:49:05,142 INFO L280 TraceCheckUtils]: 2: Hoare triple {37#true} assume true; {37#true} is VALID [2020-07-17 22:49:05,142 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {37#true} {37#true} #81#return; {37#true} is VALID [2020-07-17 22:49:05,143 INFO L263 TraceCheckUtils]: 4: Hoare triple {37#true} call #t~ret10 := main(); {37#true} is VALID [2020-07-17 22:49:05,143 INFO L280 TraceCheckUtils]: 5: Hoare triple {37#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~N~0 := #t~nondet0;havoc #t~nondet0; {37#true} is VALID [2020-07-17 22:49:05,144 INFO L280 TraceCheckUtils]: 6: Hoare triple {37#true} assume !(~N~0 <= 0); {37#true} is VALID [2020-07-17 22:49:05,144 INFO L263 TraceCheckUtils]: 7: Hoare triple {37#true} call assume_abort_if_not((if ~N~0 <= 536870911 then 1 else 0)); {37#true} is VALID [2020-07-17 22:49:05,144 INFO L280 TraceCheckUtils]: 8: Hoare triple {37#true} ~cond := #in~cond; {37#true} is VALID [2020-07-17 22:49:05,145 INFO L280 TraceCheckUtils]: 9: Hoare triple {37#true} assume 0 == ~cond;assume false; {38#false} is VALID [2020-07-17 22:49:05,146 INFO L280 TraceCheckUtils]: 10: Hoare triple {38#false} assume true; {38#false} is VALID [2020-07-17 22:49:05,146 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {38#false} {37#true} #77#return; {38#false} is VALID [2020-07-17 22:49:05,147 INFO L280 TraceCheckUtils]: 12: Hoare triple {38#false} havoc ~i~0;call #t~malloc1.base, #t~malloc1.offset := #Ultimate.allocOnHeap(8 * ~N~0);~a~0.base, ~a~0.offset := #t~malloc1.base, #t~malloc1.offset;call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(8 * ~N~0);~b~0.base, ~b~0.offset := #t~malloc2.base, #t~malloc2.offset;call write~int(8, ~a~0.base, ~a~0.offset, 8);call write~int(0, ~b~0.base, ~b~0.offset, 8);~i~0 := 1; {38#false} is VALID [2020-07-17 22:49:05,147 INFO L280 TraceCheckUtils]: 13: Hoare triple {38#false} assume !(~i~0 < ~N~0); {38#false} is VALID [2020-07-17 22:49:05,148 INFO L280 TraceCheckUtils]: 14: Hoare triple {38#false} ~i~0 := 1; {38#false} is VALID [2020-07-17 22:49:05,148 INFO L280 TraceCheckUtils]: 15: Hoare triple {38#false} assume !(~i~0 < ~N~0); {38#false} is VALID [2020-07-17 22:49:05,149 INFO L280 TraceCheckUtils]: 16: Hoare triple {38#false} ~i~0 := 0; {38#false} is VALID [2020-07-17 22:49:05,149 INFO L280 TraceCheckUtils]: 17: Hoare triple {38#false} assume !!(~i~0 < ~N~0);call #t~mem9 := read~int(~b~0.base, ~b~0.offset + 8 * ~i~0, 8); {38#false} is VALID [2020-07-17 22:49:05,149 INFO L263 TraceCheckUtils]: 18: Hoare triple {38#false} call __VERIFIER_assert((if #t~mem9 == 1 + (4 * ~i~0 * ~i~0 + 4 * ~i~0) then 1 else 0)); {38#false} is VALID [2020-07-17 22:49:05,150 INFO L280 TraceCheckUtils]: 19: Hoare triple {38#false} ~cond := #in~cond; {38#false} is VALID [2020-07-17 22:49:05,150 INFO L280 TraceCheckUtils]: 20: Hoare triple {38#false} assume 0 == ~cond; {38#false} is VALID [2020-07-17 22:49:05,150 INFO L280 TraceCheckUtils]: 21: Hoare triple {38#false} assume !false; {38#false} is VALID [2020-07-17 22:49:05,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 22:49:05,154 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902643617] [2020-07-17 22:49:05,155 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 22:49:05,156 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-17 22:49:05,157 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730210807] [2020-07-17 22:49:05,162 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-07-17 22:49:05,165 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:49:05,169 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-17 22:49:05,211 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:49:05,211 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 22:49:05,212 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:49:05,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 22:49:05,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 22:49:05,223 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 3 states. [2020-07-17 22:49:05,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:49:05,417 INFO L93 Difference]: Finished difference Result 58 states and 73 transitions. [2020-07-17 22:49:05,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 22:49:05,417 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-07-17 22:49:05,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:49:05,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-17 22:49:05,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 73 transitions. [2020-07-17 22:49:05,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-17 22:49:05,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 73 transitions. [2020-07-17 22:49:05,436 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 73 transitions. [2020-07-17 22:49:05,554 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 73 edges. 73 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:49:05,568 INFO L225 Difference]: With dead ends: 58 [2020-07-17 22:49:05,569 INFO L226 Difference]: Without dead ends: 29 [2020-07-17 22:49:05,572 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 22:49:05,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-07-17 22:49:05,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-07-17 22:49:05,627 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:49:05,639 INFO L82 GeneralOperation]: Start isEquivalent. First operand 29 states. Second operand 29 states. [2020-07-17 22:49:05,640 INFO L74 IsIncluded]: Start isIncluded. First operand 29 states. Second operand 29 states. [2020-07-17 22:49:05,640 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 29 states. [2020-07-17 22:49:05,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:49:05,645 INFO L93 Difference]: Finished difference Result 29 states and 31 transitions. [2020-07-17 22:49:05,645 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2020-07-17 22:49:05,646 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:49:05,646 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:49:05,646 INFO L74 IsIncluded]: Start isIncluded. First operand 29 states. Second operand 29 states. [2020-07-17 22:49:05,646 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 29 states. [2020-07-17 22:49:05,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:49:05,650 INFO L93 Difference]: Finished difference Result 29 states and 31 transitions. [2020-07-17 22:49:05,650 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2020-07-17 22:49:05,651 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:49:05,651 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:49:05,651 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:49:05,652 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:49:05,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-07-17 22:49:05,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2020-07-17 22:49:05,656 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 22 [2020-07-17 22:49:05,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:49:05,657 INFO L479 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2020-07-17 22:49:05,657 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 22:49:05,657 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2020-07-17 22:49:05,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-17 22:49:05,658 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:49:05,658 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] [2020-07-17 22:49:05,659 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 22:49:05,659 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:49:05,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:49:05,660 INFO L82 PathProgramCache]: Analyzing trace with hash -1901566133, now seen corresponding path program 1 times [2020-07-17 22:49:05,660 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:49:05,660 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650085506] [2020-07-17 22:49:05,661 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:49:05,685 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-07-17 22:49:05,686 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1291620564] [2020-07-17 22:49:05,686 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 22:49:05,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 22:49:05,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 22:49:05,811 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-17 22:49:05,811 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 22:49:06,027 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-07-17 22:49:06,063 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-17 22:49:06,063 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 22:49:06,063 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 22:49:06,063 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2020-07-17 22:49:06,064 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-17 22:49:06,064 WARN L170 areAnnotationChecker]: __VERIFIER_assertENTRY has no Hoare annotation [2020-07-17 22:49:06,064 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-17 22:49:06,064 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 22:49:06,064 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 22:49:06,064 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-17 22:49:06,064 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-17 22:49:06,065 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-17 22:49:06,065 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-17 22:49:06,065 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-17 22:49:06,065 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-17 22:49:06,065 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-17 22:49:06,065 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-17 22:49:06,065 WARN L170 areAnnotationChecker]: L11-2 has no Hoare annotation [2020-07-17 22:49:06,065 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-17 22:49:06,066 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-17 22:49:06,066 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-17 22:49:06,066 WARN L170 areAnnotationChecker]: L13-1 has no Hoare annotation [2020-07-17 22:49:06,066 WARN L170 areAnnotationChecker]: L13-1 has no Hoare annotation [2020-07-17 22:49:06,066 WARN L170 areAnnotationChecker]: L13-3 has no Hoare annotation [2020-07-17 22:49:06,066 WARN L170 areAnnotationChecker]: assume_abort_if_notEXIT has no Hoare annotation [2020-07-17 22:49:06,066 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-17 22:49:06,067 WARN L170 areAnnotationChecker]: L23-1 has no Hoare annotation [2020-07-17 22:49:06,067 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2020-07-17 22:49:06,067 WARN L170 areAnnotationChecker]: L31-3 has no Hoare annotation [2020-07-17 22:49:06,067 WARN L170 areAnnotationChecker]: L31-3 has no Hoare annotation [2020-07-17 22:49:06,067 WARN L170 areAnnotationChecker]: L31-3 has no Hoare annotation [2020-07-17 22:49:06,067 WARN L170 areAnnotationChecker]: L43-1 has no Hoare annotation [2020-07-17 22:49:06,067 WARN L170 areAnnotationChecker]: L31-4 has no Hoare annotation [2020-07-17 22:49:06,068 WARN L170 areAnnotationChecker]: L31-2 has no Hoare annotation [2020-07-17 22:49:06,068 WARN L170 areAnnotationChecker]: L41-2 has no Hoare annotation [2020-07-17 22:49:06,068 WARN L170 areAnnotationChecker]: L36-3 has no Hoare annotation [2020-07-17 22:49:06,068 WARN L170 areAnnotationChecker]: L36-3 has no Hoare annotation [2020-07-17 22:49:06,068 WARN L170 areAnnotationChecker]: L36-3 has no Hoare annotation [2020-07-17 22:49:06,068 WARN L170 areAnnotationChecker]: L41-3 has no Hoare annotation [2020-07-17 22:49:06,069 WARN L170 areAnnotationChecker]: L41-3 has no Hoare annotation [2020-07-17 22:49:06,069 WARN L170 areAnnotationChecker]: L41-3 has no Hoare annotation [2020-07-17 22:49:06,069 WARN L170 areAnnotationChecker]: L36-4 has no Hoare annotation [2020-07-17 22:49:06,069 WARN L170 areAnnotationChecker]: L36-2 has no Hoare annotation [2020-07-17 22:49:06,069 WARN L170 areAnnotationChecker]: L41-4 has no Hoare annotation [2020-07-17 22:49:06,069 WARN L170 areAnnotationChecker]: L43 has no Hoare annotation [2020-07-17 22:49:06,069 WARN L170 areAnnotationChecker]: L43 has no Hoare annotation [2020-07-17 22:49:06,070 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. [2020-07-17 22:49:06,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 10:49:06 BoogieIcfgContainer [2020-07-17 22:49:06,072 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 22:49:06,076 INFO L168 Benchmark]: Toolchain (without parser) took 2195.79 ms. Allocated memory was 135.8 MB in the beginning and 227.0 MB in the end (delta: 91.2 MB). Free memory was 99.7 MB in the beginning and 176.9 MB in the end (delta: -77.2 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2020-07-17 22:49:06,076 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 135.8 MB. Free memory was 118.8 MB in the beginning and 118.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-17 22:49:06,077 INFO L168 Benchmark]: CACSL2BoogieTranslator took 286.26 ms. Allocated memory is still 135.8 MB. Free memory was 99.3 MB in the beginning and 88.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. [2020-07-17 22:49:06,078 INFO L168 Benchmark]: Boogie Preprocessor took 126.86 ms. Allocated memory was 135.8 MB in the beginning and 198.7 MB in the end (delta: 62.9 MB). Free memory was 88.5 MB in the beginning and 176.4 MB in the end (delta: -88.0 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. [2020-07-17 22:49:06,079 INFO L168 Benchmark]: RCFGBuilder took 511.25 ms. Allocated memory is still 198.7 MB. Free memory was 176.4 MB in the beginning and 151.4 MB in the end (delta: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. [2020-07-17 22:49:06,080 INFO L168 Benchmark]: TraceAbstraction took 1262.06 ms. Allocated memory was 198.7 MB in the beginning and 227.0 MB in the end (delta: 28.3 MB). Free memory was 150.7 MB in the beginning and 176.9 MB in the end (delta: -26.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2020-07-17 22:49:06,084 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 135.8 MB. Free memory was 118.8 MB in the beginning and 118.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 286.26 ms. Allocated memory is still 135.8 MB. Free memory was 99.3 MB in the beginning and 88.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 126.86 ms. Allocated memory was 135.8 MB in the beginning and 198.7 MB in the end (delta: 62.9 MB). Free memory was 88.5 MB in the beginning and 176.4 MB in the end (delta: -88.0 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 511.25 ms. Allocated memory is still 198.7 MB. Free memory was 176.4 MB in the beginning and 151.4 MB in the end (delta: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1262.06 ms. Allocated memory was 198.7 MB in the beginning and 227.0 MB in the end (delta: 28.3 MB). Free memory was 150.7 MB in the beginning and 176.9 MB in the end (delta: -26.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 13]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L17] int N; VAL [\old(N)=3, N=0] [L21] N = __VERIFIER_nondet_int() [L22] COND FALSE !(N <= 0) VAL [\old(N)=0, N=1] [L23] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) VAL [\old(cond)=1, \old(N)=0, N=1] [L11] COND FALSE !(!cond) VAL [\old(cond)=1, \old(N)=0, cond=1, N=1] [L23] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) VAL [\old(N)=0, N=1] [L25] int i; [L26] long long *a = malloc(sizeof(long long)*N); [L27] long long *b = malloc(sizeof(long long)*N); [L29] a[0] = 8 [L30] b[0] = 0 [L31] i=1 VAL [\old(N)=0, a={-1:0}, b={1:0}, i=1, malloc(sizeof(long long)*N)={-1:0}, malloc(sizeof(long long)*N)={1:0}, N=1] [L31] COND FALSE !(i