/usr/bin/java -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.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/array-fpi/sina2f.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 00:03:43,915 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 00:03:43,919 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 00:03:43,966 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 00:03:43,967 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 00:03:43,975 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 00:03:43,977 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 00:03:43,981 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 00:03:43,984 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 00:03:43,987 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 00:03:43,989 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 00:03:43,990 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 00:03:43,990 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 00:03:43,992 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 00:03:43,993 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 00:03:43,995 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 00:03:43,996 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 00:03:43,997 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 00:03:43,998 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 00:03:44,000 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 00:03:44,002 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 00:03:44,003 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 00:03:44,004 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 00:03:44,005 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 00:03:44,007 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 00:03:44,008 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 00:03:44,008 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 00:03:44,009 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 00:03:44,009 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 00:03:44,011 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 00:03:44,011 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 00:03:44,012 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 00:03:44,013 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 00:03:44,014 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 00:03:44,015 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 00:03:44,015 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 00:03:44,016 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 00:03:44,016 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 00:03:44,016 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 00:03:44,017 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 00:03:44,019 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 00:03:44,019 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 00:03:44,045 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 00:03:44,045 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 00:03:44,047 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 00:03:44,047 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 00:03:44,047 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 00:03:44,048 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 00:03:44,048 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 00:03:44,048 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 00:03:44,048 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 00:03:44,049 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 00:03:44,049 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 00:03:44,049 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 00:03:44,049 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 00:03:44,049 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 00:03:44,050 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 00:03:44,050 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 00:03:44,050 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 00:03:44,050 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 00:03:44,051 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 00:03:44,051 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 00:03:44,051 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 00:03:44,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 00:03:44,051 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 00:03:44,052 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 00:03:44,052 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 00:03:44,052 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 00:03:44,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 00:03:44,052 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 00:03:44,053 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 00:03:44,053 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES 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: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true; [2020-09-25 00:03:44,638 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 00:03:44,661 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 00:03:44,668 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 00:03:44,671 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 00:03:44,671 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 00:03:44,672 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/sina2f.c [2020-09-25 00:03:44,751 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8c3a1562e/8dd30436dfdf4dbdbbcc786532365610/FLAG9b4e80e94 [2020-09-25 00:03:45,261 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 00:03:45,262 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/sina2f.c [2020-09-25 00:03:45,271 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8c3a1562e/8dd30436dfdf4dbdbbcc786532365610/FLAG9b4e80e94 [2020-09-25 00:03:45,584 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8c3a1562e/8dd30436dfdf4dbdbbcc786532365610 [2020-09-25 00:03:45,600 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 00:03:45,609 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 00:03:45,611 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 00:03:45,612 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 00:03:45,616 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 00:03:45,618 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:03:45" (1/1) ... [2020-09-25 00:03:45,622 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@244669af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:45, skipping insertion in model container [2020-09-25 00:03:45,623 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:03:45" (1/1) ... [2020-09-25 00:03:45,632 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 00:03:45,658 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 00:03:45,921 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:03:45,934 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 00:03:45,980 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:03:46,002 INFO L208 MainTranslator]: Completed translation [2020-09-25 00:03:46,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:46 WrapperNode [2020-09-25 00:03:46,004 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 00:03:46,005 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 00:03:46,005 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 00:03:46,006 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 00:03:46,114 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:46" (1/1) ... [2020-09-25 00:03:46,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:46" (1/1) ... [2020-09-25 00:03:46,131 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:46" (1/1) ... [2020-09-25 00:03:46,131 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:46" (1/1) ... [2020-09-25 00:03:46,141 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:46" (1/1) ... [2020-09-25 00:03:46,148 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:46" (1/1) ... [2020-09-25 00:03:46,150 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:46" (1/1) ... [2020-09-25 00:03:46,152 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 00:03:46,153 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 00:03:46,153 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 00:03:46,153 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 00:03:46,157 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:46" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-25 00:03:46,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 00:03:46,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 00:03:46,247 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 00:03:46,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-25 00:03:46,247 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 00:03:46,248 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 00:03:46,248 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 00:03:46,248 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 00:03:46,248 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-25 00:03:46,248 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 00:03:46,249 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 00:03:46,249 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 00:03:46,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 00:03:46,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 00:03:46,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 00:03:46,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 00:03:46,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 00:03:46,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 00:03:46,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 00:03:46,579 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 00:03:46,579 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-25 00:03:46,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:03:46 BoogieIcfgContainer [2020-09-25 00:03:46,586 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 00:03:46,588 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 00:03:46,588 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 00:03:46,592 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 00:03:46,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:03:45" (1/3) ... [2020-09-25 00:03:46,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46d82f7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:03:46, skipping insertion in model container [2020-09-25 00:03:46,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:46" (2/3) ... [2020-09-25 00:03:46,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46d82f7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:03:46, skipping insertion in model container [2020-09-25 00:03:46,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:03:46" (3/3) ... [2020-09-25 00:03:46,596 INFO L109 eAbstractionObserver]: Analyzing ICFG sina2f.c [2020-09-25 00:03:46,612 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 00:03:46,622 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 00:03:46,648 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 00:03:46,683 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 00:03:46,683 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 00:03:46,683 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 00:03:46,683 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 00:03:46,683 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 00:03:46,683 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 00:03:46,684 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 00:03:46,684 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 00:03:46,713 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2020-09-25 00:03:46,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-09-25 00:03:46,722 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:03:46,723 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:03:46,723 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:03:46,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:03:46,730 INFO L82 PathProgramCache]: Analyzing trace with hash 1325521379, now seen corresponding path program 1 times [2020-09-25 00:03:46,739 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:03:46,739 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [579437973] [2020-09-25 00:03:46,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:03:46,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:03:46,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:46,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:47,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:47,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:03:47,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-25 00:03:47,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 00:03:47,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 302 [2020-09-25 00:03:47,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:03:47,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:03:47,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-09-25 00:03:47,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:03:47,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 00:03:47,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:03:47,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:03:47,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:47,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:03:47,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:03:47,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:03:47,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 00:03:47,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:03:47,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:03:47,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:03:47,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:03:47,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:03:47,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 00:03:47,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:03:47,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:47,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:03:47,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 00:03:47,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:03:47,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 00:03:47,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:03:47,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:03:47,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:03:47,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:03:47,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:03:47,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 00:03:47,350 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [579437973] [2020-09-25 00:03:47,352 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:03:47,352 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 00:03:47,354 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379943000] [2020-09-25 00:03:47,360 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 00:03:47,360 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:03:47,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 00:03:47,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 00:03:47,381 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 3 states. [2020-09-25 00:03:47,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:03:47,580 INFO L93 Difference]: Finished difference Result 125 states and 144 transitions. [2020-09-25 00:03:47,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 00:03:47,582 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2020-09-25 00:03:47,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:03:47,603 INFO L225 Difference]: With dead ends: 125 [2020-09-25 00:03:47,603 INFO L226 Difference]: Without dead ends: 62 [2020-09-25 00:03:47,608 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 00:03:47,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-09-25 00:03:47,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2020-09-25 00:03:47,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-09-25 00:03:47,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 65 transitions. [2020-09-25 00:03:47,662 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 65 transitions. Word has length 35 [2020-09-25 00:03:47,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:03:47,663 INFO L479 AbstractCegarLoop]: Abstraction has 62 states and 65 transitions. [2020-09-25 00:03:47,663 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 00:03:47,663 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 65 transitions. [2020-09-25 00:03:47,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-09-25 00:03:47,665 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:03:47,665 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:03:47,665 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 00:03:47,666 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:03:47,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:03:47,666 INFO L82 PathProgramCache]: Analyzing trace with hash 1536754598, now seen corresponding path program 1 times [2020-09-25 00:03:47,667 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:03:47,667 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [320129116] [2020-09-25 00:03:47,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:03:47,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:03:47,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:47,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:47,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:48,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:48,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:48,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:48,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:03:48,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-25 00:03:48,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 00:03:48,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1257 [2020-09-25 00:03:48,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:03:48,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 00:03:48,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-25 00:03:48,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-25 00:03:48,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:03:49,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:03:49,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:03:49,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:49,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:03:49,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:03:49,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:03:49,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 00:03:49,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:03:49,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:03:49,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:03:49,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:03:49,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:03:49,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 00:03:49,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:03:49,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:49,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:03:49,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 00:03:49,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:03:49,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 00:03:49,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:03:49,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:03:49,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:03:49,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 00:03:49,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 00:03:49,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 00:03:49,053 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [320129116] [2020-09-25 00:03:49,053 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:03:49,053 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 00:03:49,054 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842287227] [2020-09-25 00:03:49,057 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 00:03:49,057 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:03:49,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 00:03:49,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-25 00:03:49,058 INFO L87 Difference]: Start difference. First operand 62 states and 65 transitions. Second operand 5 states. [2020-09-25 00:03:49,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:03:49,278 INFO L93 Difference]: Finished difference Result 100 states and 108 transitions. [2020-09-25 00:03:49,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-25 00:03:49,279 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2020-09-25 00:03:49,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:03:49,281 INFO L225 Difference]: With dead ends: 100 [2020-09-25 00:03:49,281 INFO L226 Difference]: Without dead ends: 66 [2020-09-25 00:03:49,283 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-25 00:03:49,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-09-25 00:03:49,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 65. [2020-09-25 00:03:49,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-09-25 00:03:49,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 68 transitions. [2020-09-25 00:03:49,296 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 68 transitions. Word has length 35 [2020-09-25 00:03:49,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:03:49,296 INFO L479 AbstractCegarLoop]: Abstraction has 65 states and 68 transitions. [2020-09-25 00:03:49,296 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 00:03:49,297 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 68 transitions. [2020-09-25 00:03:49,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-25 00:03:49,299 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:03:49,299 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:03:49,300 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 00:03:49,300 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:03:49,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:03:49,300 INFO L82 PathProgramCache]: Analyzing trace with hash -313984591, now seen corresponding path program 1 times [2020-09-25 00:03:49,301 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:03:49,301 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1958117184] [2020-09-25 00:03:49,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:03:49,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-25 00:03:49,335 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-25 00:03:49,335 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-25 00:03:49,341 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 00:03:49,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 12:03:49 BoogieIcfgContainer [2020-09-25 00:03:49,364 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 00:03:49,371 INFO L168 Benchmark]: Toolchain (without parser) took 3764.54 ms. Allocated memory was 143.7 MB in the beginning and 231.2 MB in the end (delta: 87.6 MB). Free memory was 101.1 MB in the beginning and 94.9 MB in the end (delta: 6.2 MB). Peak memory consumption was 93.8 MB. Max. memory is 7.1 GB. [2020-09-25 00:03:49,372 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 143.7 MB. Free memory was 119.5 MB in the beginning and 119.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-25 00:03:49,375 INFO L168 Benchmark]: CACSL2BoogieTranslator took 393.07 ms. Allocated memory is still 143.7 MB. Free memory was 100.5 MB in the beginning and 90.0 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2020-09-25 00:03:49,376 INFO L168 Benchmark]: Boogie Preprocessor took 147.73 ms. Allocated memory was 143.7 MB in the beginning and 201.3 MB in the end (delta: 57.7 MB). Free memory was 90.0 MB in the beginning and 178.6 MB in the end (delta: -88.6 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2020-09-25 00:03:49,377 INFO L168 Benchmark]: RCFGBuilder took 433.70 ms. Allocated memory is still 201.3 MB. Free memory was 178.6 MB in the beginning and 157.6 MB in the end (delta: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. [2020-09-25 00:03:49,379 INFO L168 Benchmark]: TraceAbstraction took 2776.62 ms. Allocated memory was 201.3 MB in the beginning and 231.2 MB in the end (delta: 29.9 MB). Free memory was 156.9 MB in the beginning and 94.9 MB in the end (delta: 62.0 MB). Peak memory consumption was 91.9 MB. Max. memory is 7.1 GB. [2020-09-25 00:03:49,384 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 143.7 MB. Free memory was 119.5 MB in the beginning and 119.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 393.07 ms. Allocated memory is still 143.7 MB. Free memory was 100.5 MB in the beginning and 90.0 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 147.73 ms. Allocated memory was 143.7 MB in the beginning and 201.3 MB in the end (delta: 57.7 MB). Free memory was 90.0 MB in the beginning and 178.6 MB in the end (delta: -88.6 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 433.70 ms. Allocated memory is still 201.3 MB. Free memory was 178.6 MB in the beginning and 157.6 MB in the end (delta: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2776.62 ms. Allocated memory was 201.3 MB in the beginning and 231.2 MB in the end (delta: 29.9 MB). Free memory was 156.9 MB in the beginning and 94.9 MB in the end (delta: 62.0 MB). Peak memory consumption was 91.9 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; [L21] N = __VERIFIER_nondet_int() [L22] COND FALSE !(N <= 0) [L23] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L11] COND FALSE !(!cond) [L23] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L25] int i; [L26] long long sum[1]; [L27] long long *a = malloc(sizeof(long long)*N); [L29] sum[0] = 1 [L30] i=0 [L30] COND TRUE i