/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=HIGHLEXORDER --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 22:54:46,756 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 22:54:46,760 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 22:54:46,805 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 22:54:46,806 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 22:54:46,813 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 22:54:46,816 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 22:54:46,819 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 22:54:46,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 22:54:46,825 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 22:54:46,826 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 22:54:46,828 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 22:54:46,828 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 22:54:46,831 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 22:54:46,833 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 22:54:46,836 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 22:54:46,837 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 22:54:46,838 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 22:54:46,840 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 22:54:46,848 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 22:54:46,850 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 22:54:46,851 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 22:54:46,853 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 22:54:46,853 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 22:54:46,865 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 22:54:46,866 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 22:54:46,866 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 22:54:46,867 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 22:54:46,868 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 22:54:46,876 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 22:54:46,876 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 22:54:46,879 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 22:54:46,880 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 22:54:46,881 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 22:54:46,882 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 22:54:46,882 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 22:54:46,883 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 22:54:46,883 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 22:54:46,883 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 22:54:46,885 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 22:54:46,886 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 22:54:46,887 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 22:54:46,934 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 22:54:46,934 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 22:54:46,937 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 22:54:46,937 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 22:54:46,937 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 22:54:46,937 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 22:54:46,938 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 22:54:46,938 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 22:54:46,938 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 22:54:46,938 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 22:54:46,939 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 22:54:46,940 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 22:54:46,940 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 22:54:46,940 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 22:54:46,940 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 22:54:46,941 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 22:54:46,941 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 22:54:46,941 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 22:54:46,941 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 22:54:46,941 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 22:54:46,942 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 22:54:46,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 22:54:46,942 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 22:54:46,942 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 22:54:46,942 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 22:54:46,943 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 22:54:46,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 22:54:46,943 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 22:54:46,943 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 22:54:46,943 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=HIGHLEXORDER;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=HIGHLEXORDER;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=HIGHLEXORDER;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=HIGHLEXORDER;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=HIGHLEXORDER;log-additional-information=true; [2020-09-24 22:54:47,420 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 22:54:47,440 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 22:54:47,447 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 22:54:47,449 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 22:54:47,449 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 22:54:47,451 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/indp2f.c [2020-09-24 22:54:47,526 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d0e8b6e98/579effe915e943dfbbdea60cb9681ec7/FLAG34c398b9a [2020-09-24 22:54:48,048 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 22:54:48,049 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/indp2f.c [2020-09-24 22:54:48,058 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d0e8b6e98/579effe915e943dfbbdea60cb9681ec7/FLAG34c398b9a [2020-09-24 22:54:48,364 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d0e8b6e98/579effe915e943dfbbdea60cb9681ec7 [2020-09-24 22:54:48,379 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 22:54:48,386 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 22:54:48,390 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 22:54:48,390 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 22:54:48,394 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 22:54:48,396 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:54:48" (1/1) ... [2020-09-24 22:54:48,401 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 10:54:48, skipping insertion in model container [2020-09-24 22:54:48,401 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:54:48" (1/1) ... [2020-09-24 22:54:48,412 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 22:54:48,441 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 22:54:48,731 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 22:54:48,743 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 22:54:48,765 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 22:54:48,782 INFO L208 MainTranslator]: Completed translation [2020-09-24 22:54:48,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:54:48 WrapperNode [2020-09-24 22:54:48,783 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 22:54:48,784 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 22:54:48,784 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 22:54:48,784 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 22:54:48,880 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:54:48" (1/1) ... [2020-09-24 22:54:48,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:54:48" (1/1) ... [2020-09-24 22:54:48,891 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:54:48" (1/1) ... [2020-09-24 22:54:48,891 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:54:48" (1/1) ... [2020-09-24 22:54:48,900 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:54:48" (1/1) ... [2020-09-24 22:54:48,907 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:54:48" (1/1) ... [2020-09-24 22:54:48,909 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:54:48" (1/1) ... [2020-09-24 22:54:48,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 22:54:48,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 22:54:48,913 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 22:54:48,913 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 22:54:48,914 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:54:48" (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 22:54:48,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 22:54:48,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 22:54:48,998 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 22:54:48,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-24 22:54:48,998 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 22:54:48,998 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 22:54:48,999 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 22:54:48,999 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 22:54:48,999 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-24 22:54:48,999 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 22:54:48,999 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 22:54:49,000 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 22:54:49,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 22:54:49,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 22:54:49,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 22:54:49,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 22:54:49,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 22:54:49,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 22:54:49,414 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 22:54:49,415 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-24 22:54:49,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:54:49 BoogieIcfgContainer [2020-09-24 22:54:49,422 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 22:54:49,423 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 22:54:49,423 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 22:54:49,427 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 22:54:49,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 10:54:48" (1/3) ... [2020-09-24 22:54:49,428 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 10:54:49, skipping insertion in model container [2020-09-24 22:54:49,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:54:48" (2/3) ... [2020-09-24 22:54:49,429 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 10:54:49, skipping insertion in model container [2020-09-24 22:54:49,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:54:49" (3/3) ... [2020-09-24 22:54:49,432 INFO L109 eAbstractionObserver]: Analyzing ICFG indp2f.c [2020-09-24 22:54:49,444 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 22:54:49,455 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 22:54:49,478 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 22:54:49,510 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 22:54:49,510 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 22:54:49,510 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 22:54:49,510 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 22:54:49,510 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 22:54:49,511 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 22:54:49,511 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 22:54:49,511 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 22:54:49,533 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states. [2020-09-24 22:54:49,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-24 22:54:49,542 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:54:49,543 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 22:54:49,543 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:54:49,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:54:49,551 INFO L82 PathProgramCache]: Analyzing trace with hash -1846170158, now seen corresponding path program 1 times [2020-09-24 22:54:49,560 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:54:49,561 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [788869059] [2020-09-24 22:54:49,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:54:49,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:54:49,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:54:49,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:54:49,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:54:50,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:54:50,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 22:54:50,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 22:54:50,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 304 [2020-09-24 22:54:50,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:54:50,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:54:50,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 22:54:50,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:54:50,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 22:54:50,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:54:50,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:54:50,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:54:50,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:54:50,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:54:50,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:54:50,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 22:54:50,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:54:50,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:54:50,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:54:50,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:54:50,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:54:50,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 22:54:50,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:54:50,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:54:50,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:54:50,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 22:54:50,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:54:50,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 22:54:50,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:54:50,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:54:50,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:54:50,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:54:50,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:54:50,171 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 22:54:50,172 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [788869059] [2020-09-24 22:54:50,174 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:54:50,175 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 22:54:50,176 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138338844] [2020-09-24 22:54:50,184 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 22:54:50,185 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:54:50,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 22:54:50,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 22:54:50,207 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 3 states. [2020-09-24 22:54:50,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:54:50,409 INFO L93 Difference]: Finished difference Result 109 states and 128 transitions. [2020-09-24 22:54:50,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 22:54:50,412 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-09-24 22:54:50,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:54:50,424 INFO L225 Difference]: With dead ends: 109 [2020-09-24 22:54:50,425 INFO L226 Difference]: Without dead ends: 56 [2020-09-24 22:54:50,430 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 22:54:50,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-09-24 22:54:50,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2020-09-24 22:54:50,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-09-24 22:54:50,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 59 transitions. [2020-09-24 22:54:50,502 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 59 transitions. Word has length 33 [2020-09-24 22:54:50,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:54:50,505 INFO L479 AbstractCegarLoop]: Abstraction has 56 states and 59 transitions. [2020-09-24 22:54:50,505 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 22:54:50,506 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 59 transitions. [2020-09-24 22:54:50,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-24 22:54:50,508 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:54:50,510 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 22:54:50,511 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 22:54:50,511 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:54:50,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:54:50,512 INFO L82 PathProgramCache]: Analyzing trace with hash 1457656721, now seen corresponding path program 1 times [2020-09-24 22:54:50,513 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:54:50,514 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1988420204] [2020-09-24 22:54:50,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:54:50,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:54:50,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:54:50,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:54:50,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:54:50,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:54:50,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:54:51,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:54:51,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:54:51,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 22:54:51,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-24 22:54:51,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1047 [2020-09-24 22:54:51,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:54:51,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 22:54:51,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-09-24 22:54:51,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 22:54:51,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:54:51,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:54:51,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:54:51,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:54:51,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:54:51,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:54:51,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:54:51,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 22:54:51,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:54:51,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:54:51,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:54:51,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:54:51,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:54:51,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 22:54:51,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:54:51,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:54:51,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:54:51,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 22:54:51,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:54:51,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 22:54:51,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:54:51,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:54:51,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:54:51,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:54:51,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 22:54:51,716 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 22:54:51,716 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1988420204] [2020-09-24 22:54:51,717 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:54:51,717 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 22:54:51,717 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9246485] [2020-09-24 22:54:51,720 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 22:54:51,720 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:54:51,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 22:54:51,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-24 22:54:51,721 INFO L87 Difference]: Start difference. First operand 56 states and 59 transitions. Second operand 6 states. [2020-09-24 22:54:52,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:54:52,065 INFO L93 Difference]: Finished difference Result 113 states and 124 transitions. [2020-09-24 22:54:52,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 22:54:52,066 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2020-09-24 22:54:52,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:54:52,071 INFO L225 Difference]: With dead ends: 113 [2020-09-24 22:54:52,071 INFO L226 Difference]: Without dead ends: 78 [2020-09-24 22:54:52,072 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-09-24 22:54:52,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-09-24 22:54:52,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 59. [2020-09-24 22:54:52,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-09-24 22:54:52,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 62 transitions. [2020-09-24 22:54:52,102 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 62 transitions. Word has length 33 [2020-09-24 22:54:52,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:54:52,103 INFO L479 AbstractCegarLoop]: Abstraction has 59 states and 62 transitions. [2020-09-24 22:54:52,103 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 22:54:52,103 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 62 transitions. [2020-09-24 22:54:52,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-24 22:54:52,105 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:54:52,105 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 22:54:52,106 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 22:54:52,106 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:54:52,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:54:52,107 INFO L82 PathProgramCache]: Analyzing trace with hash 1203755678, now seen corresponding path program 1 times [2020-09-24 22:54:52,107 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:54:52,107 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [754011358] [2020-09-24 22:54:52,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:54:52,121 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-09-24 22:54:52,121 WARN L168 FreeRefinementEngine]: Strategy FIXED_PREFERENCES was unsuccessful and could not determine trace feasibility [2020-09-24 22:54:52,122 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-24 22:54:52,128 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 22:54:52,150 WARN L231 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-09-24 22:54:52,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 10:54:52 BoogieIcfgContainer [2020-09-24 22:54:52,151 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 22:54:52,154 INFO L168 Benchmark]: Toolchain (without parser) took 3771.95 ms. Allocated memory was 146.8 MB in the beginning and 235.4 MB in the end (delta: 88.6 MB). Free memory was 101.8 MB in the beginning and 104.0 MB in the end (delta: -2.2 MB). Peak memory consumption was 86.4 MB. Max. memory is 7.1 GB. [2020-09-24 22:54:52,156 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 146.8 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-24 22:54:52,156 INFO L168 Benchmark]: CACSL2BoogieTranslator took 394.22 ms. Allocated memory is still 146.8 MB. Free memory was 101.2 MB in the beginning and 90.9 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2020-09-24 22:54:52,158 INFO L168 Benchmark]: Boogie Preprocessor took 127.86 ms. Allocated memory was 146.8 MB in the beginning and 202.9 MB in the end (delta: 56.1 MB). Free memory was 90.9 MB in the beginning and 180.9 MB in the end (delta: -90.0 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2020-09-24 22:54:52,159 INFO L168 Benchmark]: RCFGBuilder took 509.53 ms. Allocated memory is still 202.9 MB. Free memory was 180.9 MB in the beginning and 161.5 MB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 7.1 GB. [2020-09-24 22:54:52,160 INFO L168 Benchmark]: TraceAbstraction took 2727.74 ms. Allocated memory was 202.9 MB in the beginning and 235.4 MB in the end (delta: 32.5 MB). Free memory was 161.5 MB in the beginning and 104.0 MB in the end (delta: 57.5 MB). Peak memory consumption was 90.0 MB. Max. memory is 7.1 GB. [2020-09-24 22:54:52,164 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 146.8 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 394.22 ms. Allocated memory is still 146.8 MB. Free memory was 101.2 MB in the beginning and 90.9 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 127.86 ms. Allocated memory was 146.8 MB in the beginning and 202.9 MB in the end (delta: 56.1 MB). Free memory was 90.9 MB in the beginning and 180.9 MB in the end (delta: -90.0 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 509.53 ms. Allocated memory is still 202.9 MB. Free memory was 180.9 MB in the beginning and 161.5 MB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2727.74 ms. Allocated memory was 202.9 MB in the beginning and 235.4 MB in the end (delta: 32.5 MB). Free memory was 161.5 MB in the beginning and 104.0 MB in the end (delta: 57.5 MB). Peak memory consumption was 90.0 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