/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=SMALLEST --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/indp2f.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 18:28:34,752 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 18:28:34,756 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 18:28:34,782 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 18:28:34,782 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 18:28:34,784 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 18:28:34,785 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 18:28:34,787 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 18:28:34,789 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 18:28:34,790 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 18:28:34,791 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 18:28:34,792 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 18:28:34,792 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 18:28:34,794 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 18:28:34,795 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 18:28:34,796 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 18:28:34,797 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 18:28:34,798 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 18:28:34,800 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 18:28:34,802 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 18:28:34,803 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 18:28:34,805 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 18:28:34,806 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 18:28:34,807 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 18:28:34,810 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 18:28:34,810 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 18:28:34,810 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 18:28:34,811 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 18:28:34,812 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 18:28:34,813 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 18:28:34,813 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 18:28:34,814 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 18:28:34,815 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 18:28:34,816 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 18:28:34,817 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 18:28:34,817 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 18:28:34,818 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 18:28:34,819 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 18:28:34,819 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 18:28:34,820 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 18:28:34,821 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 18:28:34,822 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 [2020-09-24 18:28:34,849 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 18:28:34,849 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 18:28:34,851 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 18:28:34,851 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 18:28:34,851 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 18:28:34,852 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 18:28:34,852 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 18:28:34,852 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 18:28:34,852 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 18:28:34,852 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 18:28:34,853 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 18:28:34,853 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 18:28:34,853 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 18:28:34,853 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 18:28:34,853 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 18:28:34,853 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 18:28:34,854 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 18:28:34,854 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 18:28:34,854 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 18:28:34,854 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 18:28:34,854 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 18:28:34,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 18:28:34,855 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 18:28:34,855 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 18:28:34,855 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 18:28:34,856 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 18:28:34,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 18:28:34,856 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 18:28:34,856 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 18:28:34,856 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=SMALLEST;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=SMALLEST;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=SMALLEST;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=SMALLEST;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=SMALLEST;log-additional-information=true; [2020-09-24 18:28:35,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 18:28:35,395 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 18:28:35,400 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 18:28:35,403 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 18:28:35,405 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 18:28:35,406 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/indp2f.c [2020-09-24 18:28:35,511 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a031ec893/1ca409fa8afb420ea9ab1e687b64c3de/FLAGb49bfad9c [2020-09-24 18:28:36,088 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 18:28:36,089 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/indp2f.c [2020-09-24 18:28:36,098 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a031ec893/1ca409fa8afb420ea9ab1e687b64c3de/FLAGb49bfad9c [2020-09-24 18:28:36,416 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a031ec893/1ca409fa8afb420ea9ab1e687b64c3de [2020-09-24 18:28:36,429 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 18:28:36,436 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 18:28:36,437 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 18:28:36,437 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 18:28:36,441 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 18:28:36,443 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 06:28:36" (1/1) ... [2020-09-24 18:28:36,447 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3330734f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:28:36, skipping insertion in model container [2020-09-24 18:28:36,447 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 06:28:36" (1/1) ... [2020-09-24 18:28:36,457 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 18:28:36,484 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 18:28:36,733 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 18:28:36,745 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 18:28:36,766 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 18:28:36,784 INFO L208 MainTranslator]: Completed translation [2020-09-24 18:28:36,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:28:36 WrapperNode [2020-09-24 18:28:36,785 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 18:28:36,785 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 18:28:36,786 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 18:28:36,786 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 18:28:36,878 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:28:36" (1/1) ... [2020-09-24 18:28:36,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:28:36" (1/1) ... [2020-09-24 18:28:36,889 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:28:36" (1/1) ... [2020-09-24 18:28:36,890 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:28:36" (1/1) ... [2020-09-24 18:28:36,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:28:36" (1/1) ... [2020-09-24 18:28:36,907 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:28:36" (1/1) ... [2020-09-24 18:28:36,909 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:28:36" (1/1) ... [2020-09-24 18:28:36,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 18:28:36,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 18:28:36,912 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 18:28:36,913 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 18:28:36,914 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:28:36" (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 [2020-09-24 18:28:36,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 18:28:36,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 18:28:36,999 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 18:28:36,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-24 18:28:36,999 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 18:28:36,999 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 18:28:36,999 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 18:28:37,000 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 18:28:37,000 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-24 18:28:37,000 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 18:28:37,000 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 18:28:37,000 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 18:28:37,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 18:28:37,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 18:28:37,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 18:28:37,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 18:28:37,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 18:28:37,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 18:28:37,364 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 18:28:37,364 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-24 18:28:37,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 06:28:37 BoogieIcfgContainer [2020-09-24 18:28:37,370 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 18:28:37,371 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 18:28:37,371 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 18:28:37,375 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 18:28:37,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 06:28:36" (1/3) ... [2020-09-24 18:28:37,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40e53350 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 06:28:37, skipping insertion in model container [2020-09-24 18:28:37,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:28:36" (2/3) ... [2020-09-24 18:28:37,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40e53350 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 06:28:37, skipping insertion in model container [2020-09-24 18:28:37,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 06:28:37" (3/3) ... [2020-09-24 18:28:37,379 INFO L109 eAbstractionObserver]: Analyzing ICFG indp2f.c [2020-09-24 18:28:37,391 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 18:28:37,401 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 18:28:37,422 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 18:28:37,453 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 18:28:37,454 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 18:28:37,454 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 18:28:37,454 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 18:28:37,454 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 18:28:37,454 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 18:28:37,454 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 18:28:37,454 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 18:28:37,476 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states. [2020-09-24 18:28:37,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-24 18:28:37,485 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:28:37,486 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 18:28:37,486 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:28:37,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:28:37,493 INFO L82 PathProgramCache]: Analyzing trace with hash -1846170158, now seen corresponding path program 1 times [2020-09-24 18:28:37,502 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:28:37,502 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [788869059] [2020-09-24 18:28:37,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:28:37,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:28:37,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:28:37,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:28:37,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:28:37,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:28:37,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 18:28:37,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 18:28:37,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 233 [2020-09-24 18:28:37,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:28:37,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:28:37,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 18:28:37,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:28:37,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 18:28:37,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:28:37,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:28:37,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:28:38,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:28:38,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 18:28:38,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:28:38,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 18:28:38,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:28:38,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:28:38,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:28:38,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:28:38,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:28:38,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 18:28:38,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:28:38,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:28:38,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:28:38,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 18:28:38,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:28:38,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 18:28:38,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:28:38,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:28:38,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:28:38,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:28:38,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:28:38,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 18:28:38,036 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [788869059] [2020-09-24 18:28:38,039 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 18:28:38,039 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 18:28:38,041 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138338844] [2020-09-24 18:28:38,054 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 18:28:38,054 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:28:38,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 18:28:38,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 18:28:38,083 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 3 states. [2020-09-24 18:28:38,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 18:28:38,253 INFO L93 Difference]: Finished difference Result 109 states and 128 transitions. [2020-09-24 18:28:38,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 18:28:38,255 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-09-24 18:28:38,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 18:28:38,267 INFO L225 Difference]: With dead ends: 109 [2020-09-24 18:28:38,268 INFO L226 Difference]: Without dead ends: 56 [2020-09-24 18:28:38,273 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 [2020-09-24 18:28:38,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-09-24 18:28:38,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2020-09-24 18:28:38,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-09-24 18:28:38,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 59 transitions. [2020-09-24 18:28:38,333 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 59 transitions. Word has length 33 [2020-09-24 18:28:38,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 18:28:38,334 INFO L479 AbstractCegarLoop]: Abstraction has 56 states and 59 transitions. [2020-09-24 18:28:38,334 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 18:28:38,335 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 59 transitions. [2020-09-24 18:28:38,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-24 18:28:38,336 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:28:38,337 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 18:28:38,337 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 18:28:38,338 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:28:38,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:28:38,338 INFO L82 PathProgramCache]: Analyzing trace with hash 1457656721, now seen corresponding path program 1 times [2020-09-24 18:28:38,338 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:28:38,339 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1988420204] [2020-09-24 18:28:38,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:28:38,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:28:38,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:28:38,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:28:38,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:28:38,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:28:38,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:28:38,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:28:39,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:28:39,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 18:28:39,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-24 18:28:39,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1154 [2020-09-24 18:28:39,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:28:39,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 18:28:39,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 18:28:39,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 18:28:39,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:28:39,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:28:39,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:28:39,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:28:39,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:28:39,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 18:28:39,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:28:39,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 18:28:39,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:28:39,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:28:39,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:28:39,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:28:39,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:28:39,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 18:28:39,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:28:39,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:28:39,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:28:39,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 18:28:39,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:28:39,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 18:28:39,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:28:39,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 18:28:39,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:28:39,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 18:28:39,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:28:39,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 18:28:39,638 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1988420204] [2020-09-24 18:28:39,639 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 18:28:39,639 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 18:28:39,639 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377501200] [2020-09-24 18:28:39,643 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 18:28:39,643 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:28:39,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 18:28:39,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-24 18:28:39,644 INFO L87 Difference]: Start difference. First operand 56 states and 59 transitions. Second operand 5 states. [2020-09-24 18:28:39,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 18:28:39,847 INFO L93 Difference]: Finished difference Result 90 states and 98 transitions. [2020-09-24 18:28:39,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-24 18:28:39,848 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-09-24 18:28:39,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 18:28:39,850 INFO L225 Difference]: With dead ends: 90 [2020-09-24 18:28:39,850 INFO L226 Difference]: Without dead ends: 60 [2020-09-24 18:28:39,851 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 [2020-09-24 18:28:39,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-09-24 18:28:39,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 59. [2020-09-24 18:28:39,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-09-24 18:28:39,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 62 transitions. [2020-09-24 18:28:39,863 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 62 transitions. Word has length 33 [2020-09-24 18:28:39,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 18:28:39,863 INFO L479 AbstractCegarLoop]: Abstraction has 59 states and 62 transitions. [2020-09-24 18:28:39,863 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 18:28:39,863 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 62 transitions. [2020-09-24 18:28:39,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-24 18:28:39,865 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:28:39,865 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] [2020-09-24 18:28:39,866 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 18:28:39,866 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:28:39,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:28:39,867 INFO L82 PathProgramCache]: Analyzing trace with hash 1203755678, now seen corresponding path program 1 times [2020-09-24 18:28:39,867 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:28:39,867 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [171120054] [2020-09-24 18:28:39,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:28:39,879 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-09-24 18:28:39,880 WARN L168 FreeRefinementEngine]: Strategy FIXED_PREFERENCES was unsuccessful and could not determine trace feasibility [2020-09-24 18:28:39,880 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-24 18:28:39,886 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 18:28:39,908 WARN L231 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-09-24 18:28:39,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 06:28:39 BoogieIcfgContainer [2020-09-24 18:28:39,909 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 18:28:39,913 INFO L168 Benchmark]: Toolchain (without parser) took 3480.36 ms. Allocated memory was 140.0 MB in the beginning and 235.9 MB in the end (delta: 95.9 MB). Free memory was 103.2 MB in the beginning and 115.5 MB in the end (delta: -12.4 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. [2020-09-24 18:28:39,914 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 140.0 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. [2020-09-24 18:28:39,915 INFO L168 Benchmark]: CACSL2BoogieTranslator took 348.36 ms. Allocated memory is still 140.0 MB. Free memory was 102.5 MB in the beginning and 92.2 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2020-09-24 18:28:39,916 INFO L168 Benchmark]: Boogie Preprocessor took 126.43 ms. Allocated memory was 140.0 MB in the beginning and 201.9 MB in the end (delta: 61.9 MB). Free memory was 92.2 MB in the beginning and 179.8 MB in the end (delta: -87.6 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. [2020-09-24 18:28:39,917 INFO L168 Benchmark]: RCFGBuilder took 457.47 ms. Allocated memory is still 201.9 MB. Free memory was 179.8 MB in the beginning and 160.6 MB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 7.1 GB. [2020-09-24 18:28:39,918 INFO L168 Benchmark]: TraceAbstraction took 2538.48 ms. Allocated memory was 201.9 MB in the beginning and 235.9 MB in the end (delta: 34.1 MB). Free memory was 159.9 MB in the beginning and 115.5 MB in the end (delta: 44.4 MB). Peak memory consumption was 78.5 MB. Max. memory is 7.1 GB. [2020-09-24 18:28:39,922 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 140.0 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 348.36 ms. Allocated memory is still 140.0 MB. Free memory was 102.5 MB in the beginning and 92.2 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 126.43 ms. Allocated memory was 140.0 MB in the beginning and 201.9 MB in the end (delta: 61.9 MB). Free memory was 92.2 MB in the beginning and 179.8 MB in the end (delta: -87.6 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 457.47 ms. Allocated memory is still 201.9 MB. Free memory was 179.8 MB in the beginning and 160.6 MB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2538.48 ms. Allocated memory was 201.9 MB in the beginning and 235.9 MB in the end (delta: 34.1 MB). Free memory was 159.9 MB in the beginning and 115.5 MB in the end (delta: 44.4 MB). Peak memory consumption was 78.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 13]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L17] int N; [L21] N = __VERIFIER_nondet_int() [L22] COND FALSE !(N <= 0) [L23] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L11] COND FALSE !(!cond) [L23] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L25] int i; [L26] long long *a = malloc(sizeof(long long)*N); [L28] i=0 [L28] COND TRUE i