/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 --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 interpolation-heuristic=FIRST --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/sina3f.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:30:50,770 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:30:50,775 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:30:50,817 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:30:50,818 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:30:50,827 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:30:50,829 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:30:50,833 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:30:50,837 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:30:50,840 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:30:50,842 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:30:50,843 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:30:50,843 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:30:50,846 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:30:50,849 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:30:50,851 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:30:50,853 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:30:50,854 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:30:50,856 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:30:50,864 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:30:50,867 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:30:50,868 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:30:50,869 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:30:50,870 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:30:50,888 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:30:50,889 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:30:50,889 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:30:50,890 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:30:50,890 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:30:50,894 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:30:50,894 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:30:50,897 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:30:50,898 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:30:50,899 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:30:50,900 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:30:50,901 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:30:50,902 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:30:50,902 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:30:50,902 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:30:50,903 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:30:50,905 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:30:50,906 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 [2020-09-21 11:30:50,950 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:30:50,951 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:30:50,953 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:30:50,953 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:30:50,953 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:30:50,954 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:30:50,954 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:30:50,954 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:30:50,954 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:30:50,955 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:30:50,956 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:30:50,956 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:30:50,956 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:30:50,957 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:30:50,957 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:30:50,957 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:30:50,957 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:30:50,957 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:30:50,958 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:30:50,958 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:30:50,958 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:30:50,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:30:50,958 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:30:50,959 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:30:50,959 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:30:50,959 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:30:50,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:30:50,959 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:30:50,960 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:30:50,960 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.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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:30:51,455 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:30:51,479 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:30:51,484 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:30:51,485 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:30:51,486 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:30:51,487 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/sina3f.c [2020-09-21 11:30:51,576 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f266a873b/77335e7c1b9a47acba3de4f69d6d76e2/FLAG2217fd8ef [2020-09-21 11:30:52,124 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:30:52,125 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/sina3f.c [2020-09-21 11:30:52,136 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f266a873b/77335e7c1b9a47acba3de4f69d6d76e2/FLAG2217fd8ef [2020-09-21 11:30:52,453 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f266a873b/77335e7c1b9a47acba3de4f69d6d76e2 [2020-09-21 11:30:52,468 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:30:52,475 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:30:52,479 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:30:52,480 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:30:52,484 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:30:52,485 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:30:52" (1/1) ... [2020-09-21 11:30:52,490 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31a2ded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:52, skipping insertion in model container [2020-09-21 11:30:52,491 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:30:52" (1/1) ... [2020-09-21 11:30:52,502 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:30:52,532 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:30:52,773 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:30:52,783 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:30:52,810 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:30:52,828 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:30:52,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:52 WrapperNode [2020-09-21 11:30:52,829 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:30:52,830 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:30:52,830 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:30:52,830 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:30:52,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:52" (1/1) ... [2020-09-21 11:30:52,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:52" (1/1) ... [2020-09-21 11:30:52,936 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:52" (1/1) ... [2020-09-21 11:30:52,936 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:52" (1/1) ... [2020-09-21 11:30:52,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:52" (1/1) ... [2020-09-21 11:30:52,956 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:52" (1/1) ... [2020-09-21 11:30:52,958 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:52" (1/1) ... [2020-09-21 11:30:52,966 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:30:52,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:30:52,967 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:30:52,967 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:30:52,969 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:52" (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 [2020-09-21 11:30:53,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:30:53,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:30:53,047 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-21 11:30:53,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-21 11:30:53,048 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:30:53,049 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:30:53,049 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-21 11:30:53,049 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-21 11:30:53,049 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-21 11:30:53,050 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:30:53,051 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:30:53,051 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:30:53,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:30:53,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:30:53,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:30:53,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:30:53,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:30:53,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:30:53,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:30:53,445 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:30:53,446 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:30:53,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:30:53 BoogieIcfgContainer [2020-09-21 11:30:53,451 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:30:53,452 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:30:53,452 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:30:53,455 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:30:53,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:30:52" (1/3) ... [2020-09-21 11:30:53,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68eaa3d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:30:53, skipping insertion in model container [2020-09-21 11:30:53,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:52" (2/3) ... [2020-09-21 11:30:53,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68eaa3d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:30:53, skipping insertion in model container [2020-09-21 11:30:53,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:30:53" (3/3) ... [2020-09-21 11:30:53,460 INFO L109 eAbstractionObserver]: Analyzing ICFG sina3f.c [2020-09-21 11:30:53,472 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:30:53,481 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:30:53,504 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:30:53,532 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:30:53,532 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:30:53,532 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:30:53,532 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:30:53,532 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:30:53,532 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:30:53,532 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:30:53,533 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:30:53,554 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2020-09-21 11:30:53,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-21 11:30:53,562 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:30:53,563 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] [2020-09-21 11:30:53,564 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:30:53,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:30:53,571 INFO L82 PathProgramCache]: Analyzing trace with hash -173101897, now seen corresponding path program 1 times [2020-09-21 11:30:53,581 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:30:53,582 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [675489227] [2020-09-21 11:30:53,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:30:53,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:30:53,735 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:30:53,736 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:30:53,736 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:30:53,736 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:30:53,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-21 11:30:53,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:30:53,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:30:53,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:30:53,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:30:53,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 11:30:53,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:30:53,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:30:53,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:30:53,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:30:53,821 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:30:53,821 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:30:53,822 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:30:53,822 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:30:53,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:30:53,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:30:53,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:30:53,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:30:53,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:30:53,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:30:53,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:30:53,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:30:53,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 11:30:53,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:30:53,840 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:30:53,840 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:30:53,841 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:30:53,841 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:30:53,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:30:53,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:30:53,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:30:53,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:30:53,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:30:53,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 11:30:53,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:30:53,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:30:53,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:30:53,852 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [675489227] [2020-09-21 11:30:53,855 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:30:53,855 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 11:30:53,857 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459939612] [2020-09-21 11:30:53,863 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 11:30:53,864 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:30:53,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 11:30:53,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:30:53,885 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 3 states. [2020-09-21 11:30:54,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:30:54,026 INFO L93 Difference]: Finished difference Result 70 states and 93 transitions. [2020-09-21 11:30:54,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 11:30:54,029 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-09-21 11:30:54,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:30:54,041 INFO L225 Difference]: With dead ends: 70 [2020-09-21 11:30:54,042 INFO L226 Difference]: Without dead ends: 35 [2020-09-21 11:30:54,047 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:30:54,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-09-21 11:30:54,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-09-21 11:30:54,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-09-21 11:30:54,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 39 transitions. [2020-09-21 11:30:54,107 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 39 transitions. Word has length 26 [2020-09-21 11:30:54,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:30:54,107 INFO L479 AbstractCegarLoop]: Abstraction has 35 states and 39 transitions. [2020-09-21 11:30:54,107 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 11:30:54,108 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2020-09-21 11:30:54,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-21 11:30:54,109 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:30:54,109 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] [2020-09-21 11:30:54,110 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:30:54,110 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:30:54,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:30:54,111 INFO L82 PathProgramCache]: Analyzing trace with hash 1503462707, now seen corresponding path program 1 times [2020-09-21 11:30:54,112 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:30:54,112 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [915807084] [2020-09-21 11:30:54,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:30:54,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:30:54,190 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:30:54,190 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:30:54,191 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:30:54,191 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:30:54,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-21 11:30:54,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:30:54,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-21 11:30:54,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:30:54,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:30:54,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:30:54,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 11:30:54,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:30:54,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:30:54,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:30:54,256 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:30:54,257 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:30:54,257 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:30:54,257 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:30:54,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:30:54,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:30:54,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:30:54,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:30:54,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:30:54,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:30:54,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:30:54,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:30:54,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 11:30:54,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:30:54,270 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:30:54,270 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:30:54,270 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:30:54,271 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:30:54,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:30:54,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:30:54,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:30:54,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:30:54,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:30:54,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:30:54,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:30:54,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:30:54,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:30:54,280 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [915807084] [2020-09-21 11:30:54,280 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:30:54,280 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:30:54,280 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634103216] [2020-09-21 11:30:54,282 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:30:54,283 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:30:54,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:30:54,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:30:54,283 INFO L87 Difference]: Start difference. First operand 35 states and 39 transitions. Second operand 5 states. [2020-09-21 11:30:54,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:30:54,466 INFO L93 Difference]: Finished difference Result 67 states and 79 transitions. [2020-09-21 11:30:54,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 11:30:54,466 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-09-21 11:30:54,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:30:54,470 INFO L225 Difference]: With dead ends: 67 [2020-09-21 11:30:54,470 INFO L226 Difference]: Without dead ends: 47 [2020-09-21 11:30:54,472 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:30:54,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-09-21 11:30:54,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 39. [2020-09-21 11:30:54,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-09-21 11:30:54,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2020-09-21 11:30:54,488 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 43 transitions. Word has length 26 [2020-09-21 11:30:54,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:30:54,489 INFO L479 AbstractCegarLoop]: Abstraction has 39 states and 43 transitions. [2020-09-21 11:30:54,489 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:30:54,489 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2020-09-21 11:30:54,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-09-21 11:30:54,490 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:30:54,490 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] [2020-09-21 11:30:54,491 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:30:54,491 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:30:54,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:30:54,491 INFO L82 PathProgramCache]: Analyzing trace with hash -260192085, now seen corresponding path program 1 times [2020-09-21 11:30:54,504 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:30:54,504 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [585292449] [2020-09-21 11:30:54,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:30:54,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-21 11:30:54,571 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-21 11:30:54,571 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-21 11:30:54,576 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:30:54,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:30:54 BoogieIcfgContainer [2020-09-21 11:30:54,599 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:30:54,602 INFO L168 Benchmark]: Toolchain (without parser) took 2131.04 ms. Allocated memory was 140.0 MB in the beginning and 235.9 MB in the end (delta: 95.9 MB). Free memory was 102.3 MB in the beginning and 201.5 MB in the end (delta: -99.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:30:54,603 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 140.0 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 11:30:54,604 INFO L168 Benchmark]: CACSL2BoogieTranslator took 349.98 ms. Allocated memory is still 140.0 MB. Free memory was 101.7 MB in the beginning and 90.9 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. [2020-09-21 11:30:54,605 INFO L168 Benchmark]: Boogie Preprocessor took 136.71 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 90.9 MB in the beginning and 180.8 MB in the end (delta: -89.9 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. [2020-09-21 11:30:54,606 INFO L168 Benchmark]: RCFGBuilder took 484.39 ms. Allocated memory is still 203.4 MB. Free memory was 180.8 MB in the beginning and 161.5 MB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 7.1 GB. [2020-09-21 11:30:54,607 INFO L168 Benchmark]: TraceAbstraction took 1146.51 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 160.9 MB in the beginning and 201.5 MB in the end (delta: -40.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:30:54,611 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 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 349.98 ms. Allocated memory is still 140.0 MB. Free memory was 101.7 MB in the beginning and 90.9 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 136.71 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 90.9 MB in the beginning and 180.8 MB in the end (delta: -89.9 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 484.39 ms. Allocated memory is still 203.4 MB. Free memory was 180.8 MB in the beginning and 161.5 MB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1146.51 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 160.9 MB in the beginning and 201.5 MB in the end (delta: -40.6 MB). There was no memory consumed. 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); [L28] int *b = malloc(sizeof(int)*N); [L30] sum[0] = 1 [L31] i=0 [L31] COND TRUE i