/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/eqn3f.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 22:49:01,166 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 22:49:01,169 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 22:49:01,180 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 22:49:01,180 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 22:49:01,181 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 22:49:01,183 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 22:49:01,185 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 22:49:01,186 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 22:49:01,187 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 22:49:01,188 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 22:49:01,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 22:49:01,189 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 22:49:01,190 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 22:49:01,191 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 22:49:01,192 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 22:49:01,193 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 22:49:01,194 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 22:49:01,195 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 22:49:01,197 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 22:49:01,198 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 22:49:01,199 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 22:49:01,200 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 22:49:01,201 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 22:49:01,203 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 22:49:01,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 22:49:01,211 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 22:49:01,212 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 22:49:01,212 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 22:49:01,230 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 22:49:01,230 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 22:49:01,231 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 22:49:01,232 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 22:49:01,232 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 22:49:01,232 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 22:49:01,232 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 22:49:01,232 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 22:49:01,233 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 22:49:01,233 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 22:49:01,233 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 22:49:01,233 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 22:49:01,234 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 22:49:01,234 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 22:49:01,234 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 22:49:01,234 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 22:49:01,235 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 22:49:01,235 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 22:49:01,235 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 22:49:01,235 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 22:49:01,236 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 22:49:01,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 22:49:01,236 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 22:49:01,236 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 22:49:01,236 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 22:49:01,237 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 22:49:01,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 22:49:01,237 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 22:49:01,238 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 22:49:01,238 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 22:49:01,493 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 22:49:01,506 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 22:49:01,509 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 22:49:01,511 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 22:49:01,511 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 22:49:01,512 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/eqn3f.c [2020-07-17 22:49:01,570 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12c2d16ec/228a1da40fc74fd2a7f32b1cdef8ba8f/FLAGa81ca968b [2020-07-17 22:49:01,995 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 22:49:01,996 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/eqn3f.c [2020-07-17 22:49:02,003 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12c2d16ec/228a1da40fc74fd2a7f32b1cdef8ba8f/FLAGa81ca968b [2020-07-17 22:49:02,355 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12c2d16ec/228a1da40fc74fd2a7f32b1cdef8ba8f [2020-07-17 22:49:02,365 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 22:49:02,368 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 22:49:02,369 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 22:49:02,369 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 22:49:02,373 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 22:49:02,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:49:02" (1/1) ... [2020-07-17 22:49:02,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d5c4a6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:49:02, skipping insertion in model container [2020-07-17 22:49:02,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:49:02" (1/1) ... [2020-07-17 22:49:02,385 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 22:49:02,403 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 22:49:02,620 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:49:02,631 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 22:49:02,653 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:49:02,674 INFO L208 MainTranslator]: Completed translation [2020-07-17 22:49:02,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:49:02 WrapperNode [2020-07-17 22:49:02,675 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 22:49:02,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 22:49:02,676 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 22:49:02,676 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 22:49:02,770 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:49:02" (1/1) ... [2020-07-17 22:49:02,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:49:02" (1/1) ... [2020-07-17 22:49:02,778 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:49:02" (1/1) ... [2020-07-17 22:49:02,778 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:49:02" (1/1) ... [2020-07-17 22:49:02,788 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:49:02" (1/1) ... [2020-07-17 22:49:02,800 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:49:02" (1/1) ... [2020-07-17 22:49:02,802 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:49:02" (1/1) ... [2020-07-17 22:49:02,805 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 22:49:02,806 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 22:49:02,806 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 22:49:02,808 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 22:49:02,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:49:02" (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 22:49:02,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 22:49:02,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 22:49:02,868 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-17 22:49:02,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-17 22:49:02,868 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 22:49:02,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 22:49:02,869 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-17 22:49:02,869 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-17 22:49:02,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-17 22:49:02,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 22:49:02,869 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 22:49:02,869 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 22:49:02,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 22:49:02,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 22:49:02,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 22:49:02,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 22:49:02,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 22:49:02,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 22:49:03,253 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 22:49:03,253 INFO L295 CfgBuilder]: Removed 3 assume(true) statements. [2020-07-17 22:49:03,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:49:03 BoogieIcfgContainer [2020-07-17 22:49:03,257 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 22:49:03,258 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 22:49:03,258 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 22:49:03,261 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 22:49:03,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 10:49:02" (1/3) ... [2020-07-17 22:49:03,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41c19b89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:49:03, skipping insertion in model container [2020-07-17 22:49:03,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:49:02" (2/3) ... [2020-07-17 22:49:03,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41c19b89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:49:03, skipping insertion in model container [2020-07-17 22:49:03,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:49:03" (3/3) ... [2020-07-17 22:49:03,264 INFO L109 eAbstractionObserver]: Analyzing ICFG eqn3f.c [2020-07-17 22:49:03,275 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 22:49:03,282 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 22:49:03,296 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 22:49:03,321 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 22:49:03,321 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 22:49:03,321 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 22:49:03,321 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 22:49:03,322 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 22:49:03,322 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 22:49:03,322 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 22:49:03,322 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 22:49:03,350 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states. [2020-07-17 22:49:03,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-17 22:49:03,355 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:49:03,356 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 22:49:03,356 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:49:03,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:49:03,361 INFO L82 PathProgramCache]: Analyzing trace with hash -1314760119, now seen corresponding path program 1 times [2020-07-17 22:49:03,370 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:49:03,370 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981951507] [2020-07-17 22:49:03,371 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:49:03,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:49:03,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:49:03,585 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 22:49:03,586 INFO L280 TraceCheckUtils]: 1: Hoare triple {37#true} assume true; {37#true} is VALID [2020-07-17 22:49:03,586 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {37#true} {37#true} #81#return; {37#true} is VALID [2020-07-17 22:49:03,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:49:03,596 INFO L280 TraceCheckUtils]: 0: Hoare triple {37#true} ~cond := #in~cond; {37#true} is VALID [2020-07-17 22:49:03,597 INFO L280 TraceCheckUtils]: 1: Hoare triple {37#true} assume 0 == ~cond;assume false; {38#false} is VALID [2020-07-17 22:49:03,597 INFO L280 TraceCheckUtils]: 2: Hoare triple {38#false} assume true; {38#false} is VALID [2020-07-17 22:49:03,598 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {38#false} {37#true} #77#return; {38#false} is VALID [2020-07-17 22:49:03,600 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 22:49:03,601 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 22:49:03,601 INFO L280 TraceCheckUtils]: 2: Hoare triple {37#true} assume true; {37#true} is VALID [2020-07-17 22:49:03,602 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {37#true} {37#true} #81#return; {37#true} is VALID [2020-07-17 22:49:03,602 INFO L263 TraceCheckUtils]: 4: Hoare triple {37#true} call #t~ret10 := main(); {37#true} is VALID [2020-07-17 22:49:03,602 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 22:49:03,603 INFO L280 TraceCheckUtils]: 6: Hoare triple {37#true} assume !(~N~0 <= 0); {37#true} is VALID [2020-07-17 22:49:03,603 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 22:49:03,603 INFO L280 TraceCheckUtils]: 8: Hoare triple {37#true} ~cond := #in~cond; {37#true} is VALID [2020-07-17 22:49:03,605 INFO L280 TraceCheckUtils]: 9: Hoare triple {37#true} assume 0 == ~cond;assume false; {38#false} is VALID [2020-07-17 22:49:03,606 INFO L280 TraceCheckUtils]: 10: Hoare triple {38#false} assume true; {38#false} is VALID [2020-07-17 22:49:03,606 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {38#false} {37#true} #77#return; {38#false} is VALID [2020-07-17 22:49:03,607 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(6, ~a~0.base, ~a~0.offset, 8);call write~int(10, ~b~0.base, ~b~0.offset, 8);~i~0 := 1; {38#false} is VALID [2020-07-17 22:49:03,608 INFO L280 TraceCheckUtils]: 13: Hoare triple {38#false} assume !(~i~0 < ~N~0); {38#false} is VALID [2020-07-17 22:49:03,608 INFO L280 TraceCheckUtils]: 14: Hoare triple {38#false} ~i~0 := 1; {38#false} is VALID [2020-07-17 22:49:03,609 INFO L280 TraceCheckUtils]: 15: Hoare triple {38#false} assume !(~i~0 < ~N~0); {38#false} is VALID [2020-07-17 22:49:03,609 INFO L280 TraceCheckUtils]: 16: Hoare triple {38#false} ~i~0 := 0; {38#false} is VALID [2020-07-17 22:49:03,610 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 22:49:03,610 INFO L263 TraceCheckUtils]: 18: Hoare triple {38#false} call __VERIFIER_assert((if #t~mem9 == 1 + (3 * ~i~0 * ~i~0 + 3 * ~i~0) then 1 else 0)); {38#false} is VALID [2020-07-17 22:49:03,610 INFO L280 TraceCheckUtils]: 19: Hoare triple {38#false} ~cond := #in~cond; {38#false} is VALID [2020-07-17 22:49:03,611 INFO L280 TraceCheckUtils]: 20: Hoare triple {38#false} assume 0 == ~cond; {38#false} is VALID [2020-07-17 22:49:03,611 INFO L280 TraceCheckUtils]: 21: Hoare triple {38#false} assume !false; {38#false} is VALID [2020-07-17 22:49:03,617 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 22:49:03,621 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981951507] [2020-07-17 22:49:03,622 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 22:49:03,622 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-17 22:49:03,624 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130428574] [2020-07-17 22:49:03,631 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-07-17 22:49:03,634 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:49:03,638 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-17 22:49:03,695 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 22:49:03,695 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 22:49:03,695 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:49:03,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 22:49:03,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 22:49:03,708 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 3 states. [2020-07-17 22:49:03,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:49:03,895 INFO L93 Difference]: Finished difference Result 58 states and 73 transitions. [2020-07-17 22:49:03,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 22:49:03,895 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-07-17 22:49:03,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:49:03,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-17 22:49:03,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 73 transitions. [2020-07-17 22:49:03,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-17 22:49:03,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 73 transitions. [2020-07-17 22:49:03,913 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 73 transitions. [2020-07-17 22:49:04,046 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 22:49:04,059 INFO L225 Difference]: With dead ends: 58 [2020-07-17 22:49:04,060 INFO L226 Difference]: Without dead ends: 29 [2020-07-17 22:49:04,080 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 22:49:04,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-07-17 22:49:04,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-07-17 22:49:04,140 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:49:04,142 INFO L82 GeneralOperation]: Start isEquivalent. First operand 29 states. Second operand 29 states. [2020-07-17 22:49:04,142 INFO L74 IsIncluded]: Start isIncluded. First operand 29 states. Second operand 29 states. [2020-07-17 22:49:04,143 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 29 states. [2020-07-17 22:49:04,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:49:04,147 INFO L93 Difference]: Finished difference Result 29 states and 31 transitions. [2020-07-17 22:49:04,148 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2020-07-17 22:49:04,157 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:49:04,158 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:49:04,158 INFO L74 IsIncluded]: Start isIncluded. First operand 29 states. Second operand 29 states. [2020-07-17 22:49:04,158 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 29 states. [2020-07-17 22:49:04,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:49:04,165 INFO L93 Difference]: Finished difference Result 29 states and 31 transitions. [2020-07-17 22:49:04,165 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2020-07-17 22:49:04,166 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:49:04,166 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:49:04,166 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:49:04,166 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:49:04,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-07-17 22:49:04,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2020-07-17 22:49:04,172 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 22 [2020-07-17 22:49:04,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:49:04,173 INFO L479 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2020-07-17 22:49:04,173 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 22:49:04,173 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2020-07-17 22:49:04,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-17 22:49:04,174 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:49:04,175 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 22:49:04,175 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 22:49:04,177 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:49:04,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:49:04,178 INFO L82 PathProgramCache]: Analyzing trace with hash -1901566133, now seen corresponding path program 1 times [2020-07-17 22:49:04,179 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:49:04,180 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886612338] [2020-07-17 22:49:04,180 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:49:04,226 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-07-17 22:49:04,227 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [530397726] [2020-07-17 22:49:04,227 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 22:49:04,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 22:49:04,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 22:49:04,321 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-17 22:49:04,322 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 22:49:04,535 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-07-17 22:49:04,585 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-17 22:49:04,586 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 22:49:04,586 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 22:49:04,586 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2020-07-17 22:49:04,586 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-17 22:49:04,587 WARN L170 areAnnotationChecker]: __VERIFIER_assertENTRY has no Hoare annotation [2020-07-17 22:49:04,587 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-17 22:49:04,587 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 22:49:04,588 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 22:49:04,588 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-17 22:49:04,588 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-17 22:49:04,588 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-17 22:49:04,588 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-17 22:49:04,588 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-17 22:49:04,588 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-17 22:49:04,589 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-17 22:49:04,589 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-17 22:49:04,589 WARN L170 areAnnotationChecker]: L11-2 has no Hoare annotation [2020-07-17 22:49:04,589 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-17 22:49:04,589 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-17 22:49:04,589 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-17 22:49:04,589 WARN L170 areAnnotationChecker]: L13-1 has no Hoare annotation [2020-07-17 22:49:04,590 WARN L170 areAnnotationChecker]: L13-1 has no Hoare annotation [2020-07-17 22:49:04,590 WARN L170 areAnnotationChecker]: L13-3 has no Hoare annotation [2020-07-17 22:49:04,590 WARN L170 areAnnotationChecker]: assume_abort_if_notEXIT has no Hoare annotation [2020-07-17 22:49:04,590 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-17 22:49:04,590 WARN L170 areAnnotationChecker]: L23-1 has no Hoare annotation [2020-07-17 22:49:04,590 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2020-07-17 22:49:04,590 WARN L170 areAnnotationChecker]: L32-3 has no Hoare annotation [2020-07-17 22:49:04,591 WARN L170 areAnnotationChecker]: L32-3 has no Hoare annotation [2020-07-17 22:49:04,591 WARN L170 areAnnotationChecker]: L32-3 has no Hoare annotation [2020-07-17 22:49:04,591 WARN L170 areAnnotationChecker]: L44-1 has no Hoare annotation [2020-07-17 22:49:04,591 WARN L170 areAnnotationChecker]: L32-4 has no Hoare annotation [2020-07-17 22:49:04,591 WARN L170 areAnnotationChecker]: L32-2 has no Hoare annotation [2020-07-17 22:49:04,591 WARN L170 areAnnotationChecker]: L42-2 has no Hoare annotation [2020-07-17 22:49:04,592 WARN L170 areAnnotationChecker]: L37-3 has no Hoare annotation [2020-07-17 22:49:04,592 WARN L170 areAnnotationChecker]: L37-3 has no Hoare annotation [2020-07-17 22:49:04,592 WARN L170 areAnnotationChecker]: L37-3 has no Hoare annotation [2020-07-17 22:49:04,592 WARN L170 areAnnotationChecker]: L42-3 has no Hoare annotation [2020-07-17 22:49:04,592 WARN L170 areAnnotationChecker]: L42-3 has no Hoare annotation [2020-07-17 22:49:04,592 WARN L170 areAnnotationChecker]: L42-3 has no Hoare annotation [2020-07-17 22:49:04,592 WARN L170 areAnnotationChecker]: L37-4 has no Hoare annotation [2020-07-17 22:49:04,593 WARN L170 areAnnotationChecker]: L37-2 has no Hoare annotation [2020-07-17 22:49:04,593 WARN L170 areAnnotationChecker]: L42-4 has no Hoare annotation [2020-07-17 22:49:04,593 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-17 22:49:04,593 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-17 22:49:04,593 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 22:49:04,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 10:49:04 BoogieIcfgContainer [2020-07-17 22:49:04,600 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 22:49:04,605 INFO L168 Benchmark]: Toolchain (without parser) took 2236.62 ms. Allocated memory was 138.4 MB in the beginning and 235.9 MB in the end (delta: 97.5 MB). Free memory was 103.6 MB in the beginning and 181.2 MB in the end (delta: -77.6 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. [2020-07-17 22:49:04,607 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 22:49:04,609 INFO L168 Benchmark]: CACSL2BoogieTranslator took 306.46 ms. Allocated memory is still 138.4 MB. Free memory was 103.2 MB in the beginning and 92.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2020-07-17 22:49:04,611 INFO L168 Benchmark]: Boogie Preprocessor took 129.77 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 92.3 MB in the beginning and 179.8 MB in the end (delta: -87.5 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. [2020-07-17 22:49:04,612 INFO L168 Benchmark]: RCFGBuilder took 450.96 ms. Allocated memory is still 202.4 MB. Free memory was 179.8 MB in the beginning and 155.5 MB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. [2020-07-17 22:49:04,613 INFO L168 Benchmark]: TraceAbstraction took 1342.50 ms. Allocated memory was 202.4 MB in the beginning and 235.9 MB in the end (delta: 33.6 MB). Free memory was 154.8 MB in the beginning and 181.2 MB in the end (delta: -26.4 MB). Peak memory consumption was 7.2 MB. Max. memory is 7.1 GB. [2020-07-17 22:49:04,628 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 306.46 ms. Allocated memory is still 138.4 MB. Free memory was 103.2 MB in the beginning and 92.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 129.77 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 92.3 MB in the beginning and 179.8 MB in the end (delta: -87.5 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 450.96 ms. Allocated memory is still 202.4 MB. Free memory was 179.8 MB in the beginning and 155.5 MB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1342.50 ms. Allocated memory was 202.4 MB in the beginning and 235.9 MB in the end (delta: 33.6 MB). Free memory was 154.8 MB in the beginning and 181.2 MB in the end (delta: -26.4 MB). Peak memory consumption was 7.2 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)=2, 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] = 6 [L30] b[0] = 10 [L32] i=1 VAL [\old(N)=0, a={-2:0}, b={-1:0}, i=1, malloc(sizeof(long long)*N)={-2:0}, malloc(sizeof(long long)*N)={-1:0}, N=1] [L32] COND FALSE !(i