/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=WIDEST --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/condgf.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 03:25:40,868 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 03:25:40,872 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 03:25:40,917 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 03:25:40,918 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 03:25:40,926 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 03:25:40,929 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 03:25:40,932 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 03:25:40,935 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 03:25:40,939 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 03:25:40,940 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 03:25:40,941 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 03:25:40,941 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 03:25:40,945 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 03:25:40,948 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 03:25:40,949 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 03:25:40,951 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 03:25:40,952 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 03:25:40,954 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 03:25:40,963 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 03:25:40,965 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 03:25:40,966 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 03:25:40,967 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 03:25:40,968 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 03:25:40,981 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 03:25:40,981 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 03:25:40,981 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 03:25:40,982 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 03:25:40,991 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 03:25:40,992 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 03:25:40,992 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 03:25:40,993 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 03:25:40,994 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 03:25:40,998 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 03:25:40,999 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 03:25:41,000 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 03:25:41,000 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 03:25:41,001 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 03:25:41,001 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 03:25:41,002 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 03:25:41,004 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 03:25:41,005 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 03:25:41,051 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 03:25:41,052 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 03:25:41,054 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 03:25:41,054 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 03:25:41,055 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 03:25:41,055 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 03:25:41,055 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 03:25:41,056 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 03:25:41,056 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 03:25:41,056 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 03:25:41,057 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 03:25:41,057 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 03:25:41,057 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 03:25:41,058 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 03:25:41,058 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 03:25:41,058 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 03:25:41,058 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 03:25:41,059 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 03:25:41,059 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 03:25:41,059 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 03:25:41,059 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 03:25:41,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 03:25:41,060 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 03:25:41,060 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 03:25:41,060 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 03:25:41,060 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 03:25:41,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 03:25:41,061 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 03:25:41,061 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 03:25:41,061 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=WIDEST;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=WIDEST;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=WIDEST;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=WIDEST;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=WIDEST;log-additional-information=true; [2020-09-25 03:25:41,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 03:25:41,536 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 03:25:41,541 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 03:25:41,543 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 03:25:41,543 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 03:25:41,544 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/condgf.c [2020-09-25 03:25:41,641 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8a19e8187/50e3727708514c889a3987dd705b6736/FLAG439be0c32 [2020-09-25 03:25:42,207 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 03:25:42,208 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/condgf.c [2020-09-25 03:25:42,217 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8a19e8187/50e3727708514c889a3987dd705b6736/FLAG439be0c32 [2020-09-25 03:25:42,548 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8a19e8187/50e3727708514c889a3987dd705b6736 [2020-09-25 03:25:42,567 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 03:25:42,574 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 03:25:42,578 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 03:25:42,578 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 03:25:42,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 03:25:42,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:25:42" (1/1) ... [2020-09-25 03:25:42,589 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3add5f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:25:42, skipping insertion in model container [2020-09-25 03:25:42,589 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:25:42" (1/1) ... [2020-09-25 03:25:42,600 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 03:25:42,629 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 03:25:42,877 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:25:42,890 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 03:25:42,919 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:25:42,941 INFO L208 MainTranslator]: Completed translation [2020-09-25 03:25:42,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:25:42 WrapperNode [2020-09-25 03:25:42,942 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 03:25:42,943 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 03:25:42,943 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 03:25:42,943 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 03:25:43,043 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:25:42" (1/1) ... [2020-09-25 03:25:43,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:25:42" (1/1) ... [2020-09-25 03:25:43,054 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:25:42" (1/1) ... [2020-09-25 03:25:43,055 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:25:42" (1/1) ... [2020-09-25 03:25:43,070 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:25:42" (1/1) ... [2020-09-25 03:25:43,080 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:25:42" (1/1) ... [2020-09-25 03:25:43,082 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:25:42" (1/1) ... [2020-09-25 03:25:43,087 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 03:25:43,088 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 03:25:43,088 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 03:25:43,088 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 03:25:43,090 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:25:42" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 03:25:43,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 03:25:43,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 03:25:43,161 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 03:25:43,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-25 03:25:43,162 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 03:25:43,162 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 03:25:43,162 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 03:25:43,162 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 03:25:43,162 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-25 03:25:43,163 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 03:25:43,163 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 03:25:43,163 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 03:25:43,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 03:25:43,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 03:25:43,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 03:25:43,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 03:25:43,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 03:25:43,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 03:25:43,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 03:25:43,547 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 03:25:43,547 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-25 03:25:43,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:25:43 BoogieIcfgContainer [2020-09-25 03:25:43,553 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 03:25:43,554 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 03:25:43,554 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 03:25:43,558 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 03:25:43,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 03:25:42" (1/3) ... [2020-09-25 03:25:43,559 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65e0ef86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:25:43, skipping insertion in model container [2020-09-25 03:25:43,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:25:42" (2/3) ... [2020-09-25 03:25:43,560 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65e0ef86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:25:43, skipping insertion in model container [2020-09-25 03:25:43,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:25:43" (3/3) ... [2020-09-25 03:25:43,562 INFO L109 eAbstractionObserver]: Analyzing ICFG condgf.c [2020-09-25 03:25:43,573 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 03:25:43,583 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 03:25:43,603 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 03:25:43,630 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 03:25:43,630 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 03:25:43,630 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 03:25:43,630 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 03:25:43,630 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 03:25:43,630 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 03:25:43,630 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 03:25:43,630 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 03:25:43,653 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states. [2020-09-25 03:25:43,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-09-25 03:25:43,662 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:25:43,663 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:25:43,663 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:25:43,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:25:43,670 INFO L82 PathProgramCache]: Analyzing trace with hash 1924334027, now seen corresponding path program 1 times [2020-09-25 03:25:43,679 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:25:43,679 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1057847722] [2020-09-25 03:25:43,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:25:43,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:25:43,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:25:43,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:25:43,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:25:44,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:25:44,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:25:44,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-25 03:25:44,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 03:25:44,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 895 [2020-09-25 03:25:44,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:25:44,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 03:25:44,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-25 03:25:44,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-25 03:25:44,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 03:25:44,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:25:44,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:25:44,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:25:44,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:25:44,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:25:44,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:25:44,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 03:25:44,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:25:44,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:25:44,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:25:44,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:25:44,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:25:44,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 03:25:44,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:25:44,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:25:44,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:25:44,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:25:44,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:25:44,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 03:25:44,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:25:44,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:25:44,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:25:44,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 03:25:44,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:25:44,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 03:25:44,958 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1057847722] [2020-09-25 03:25:44,961 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:25:44,962 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 03:25:44,964 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111409525] [2020-09-25 03:25:44,972 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 03:25:44,972 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:25:44,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 03:25:44,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-25 03:25:44,996 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 5 states. [2020-09-25 03:25:45,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:25:45,344 INFO L93 Difference]: Finished difference Result 143 states and 171 transitions. [2020-09-25 03:25:45,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-25 03:25:45,347 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2020-09-25 03:25:45,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:25:45,359 INFO L225 Difference]: With dead ends: 143 [2020-09-25 03:25:45,360 INFO L226 Difference]: Without dead ends: 71 [2020-09-25 03:25:45,365 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-25 03:25:45,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-09-25 03:25:45,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 70. [2020-09-25 03:25:45,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-09-25 03:25:45,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 74 transitions. [2020-09-25 03:25:45,424 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 74 transitions. Word has length 35 [2020-09-25 03:25:45,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:25:45,425 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 74 transitions. [2020-09-25 03:25:45,425 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 03:25:45,425 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 74 transitions. [2020-09-25 03:25:45,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-25 03:25:45,428 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:25:45,428 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:25:45,428 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 03:25:45,429 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:25:45,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:25:45,429 INFO L82 PathProgramCache]: Analyzing trace with hash -269448694, now seen corresponding path program 1 times [2020-09-25 03:25:45,430 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:25:45,430 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1226607617] [2020-09-25 03:25:45,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:25:45,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:25:45,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:25:45,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:25:45,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:25:46,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:25:47,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:25:47,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:25:48,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:25:49,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:25:49,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:25:49,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:25:50,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:25:50,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:25:50,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-09-25 03:25:50,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-09-25 03:25:50,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-09-25 03:25:50,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:25:50,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-25 03:25:50,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-25 03:25:50,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-25 03:25:50,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 03:25:51,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:25:51,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:25:51,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:25:51,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:25:51,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:25:51,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:25:51,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 03:25:51,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:25:51,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:25:51,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:25:51,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:25:51,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:25:51,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 03:25:51,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:25:51,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:25:51,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:25:51,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:25:51,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:25:51,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 03:25:51,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:25:51,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:25:51,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:25:51,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 03:25:51,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:25:51,573 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 03:25:51,574 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1226607617] [2020-09-25 03:25:51,574 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 03:25:51,575 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-09-25 03:25:51,575 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232732371] [2020-09-25 03:25:51,578 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-25 03:25:51,578 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:25:51,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-25 03:25:51,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=273, Unknown=0, NotChecked=0, Total=342 [2020-09-25 03:25:51,581 INFO L87 Difference]: Start difference. First operand 70 states and 74 transitions. Second operand 19 states. [2020-09-25 03:25:52,059 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 39 [2020-09-25 03:25:52,445 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 52 [2020-09-25 03:25:52,793 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 55 [2020-09-25 03:25:53,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:25:53,695 INFO L93 Difference]: Finished difference Result 122 states and 130 transitions. [2020-09-25 03:25:53,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-09-25 03:25:53,696 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 59 [2020-09-25 03:25:53,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:25:53,698 INFO L225 Difference]: With dead ends: 122 [2020-09-25 03:25:53,698 INFO L226 Difference]: Without dead ends: 108 [2020-09-25 03:25:53,700 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 372 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=374, Invalid=1186, Unknown=0, NotChecked=0, Total=1560 [2020-09-25 03:25:53,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2020-09-25 03:25:53,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 97. [2020-09-25 03:25:53,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-09-25 03:25:53,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 104 transitions. [2020-09-25 03:25:53,713 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 104 transitions. Word has length 59 [2020-09-25 03:25:53,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:25:53,714 INFO L479 AbstractCegarLoop]: Abstraction has 97 states and 104 transitions. [2020-09-25 03:25:53,714 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-25 03:25:53,714 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 104 transitions. [2020-09-25 03:25:53,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-25 03:25:53,716 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:25:53,716 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:25:53,717 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 03:25:53,717 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:25:53,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:25:53,717 INFO L82 PathProgramCache]: Analyzing trace with hash 1693383620, now seen corresponding path program 1 times [2020-09-25 03:25:53,718 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:25:53,718 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [102725428] [2020-09-25 03:25:53,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:25:53,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-25 03:25:53,741 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-25 03:25:53,741 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-25 03:25:53,746 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 03:25:53,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 03:25:53 BoogieIcfgContainer [2020-09-25 03:25:53,769 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 03:25:53,772 INFO L168 Benchmark]: Toolchain (without parser) took 11202.28 ms. Allocated memory was 140.5 MB in the beginning and 299.4 MB in the end (delta: 158.9 MB). Free memory was 103.6 MB in the beginning and 188.3 MB in the end (delta: -84.7 MB). Peak memory consumption was 74.2 MB. Max. memory is 7.1 GB. [2020-09-25 03:25:53,773 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-25 03:25:53,774 INFO L168 Benchmark]: CACSL2BoogieTranslator took 364.21 ms. Allocated memory is still 140.5 MB. Free memory was 102.9 MB in the beginning and 92.3 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2020-09-25 03:25:53,775 INFO L168 Benchmark]: Boogie Preprocessor took 145.09 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 92.3 MB in the beginning and 180.7 MB in the end (delta: -88.4 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2020-09-25 03:25:53,775 INFO L168 Benchmark]: RCFGBuilder took 464.79 ms. Allocated memory is still 203.4 MB. Free memory was 180.7 MB in the beginning and 159.4 MB in the end (delta: 21.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. [2020-09-25 03:25:53,777 INFO L168 Benchmark]: TraceAbstraction took 10215.25 ms. Allocated memory was 203.4 MB in the beginning and 299.4 MB in the end (delta: 95.9 MB). Free memory was 159.4 MB in the beginning and 188.3 MB in the end (delta: -28.9 MB). Peak memory consumption was 67.0 MB. Max. memory is 7.1 GB. [2020-09-25 03:25:53,780 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 364.21 ms. Allocated memory is still 140.5 MB. Free memory was 102.9 MB in the beginning and 92.3 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 145.09 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 92.3 MB in the beginning and 180.7 MB in the end (delta: -88.4 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 464.79 ms. Allocated memory is still 203.4 MB. Free memory was 180.7 MB in the beginning and 159.4 MB in the end (delta: 21.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10215.25 ms. Allocated memory was 203.4 MB in the beginning and 299.4 MB in the end (delta: 95.9 MB). Free memory was 159.4 MB in the beginning and 188.3 MB in the end (delta: -28.9 MB). Peak memory consumption was 67.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 13]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L17] int N; [L21] N = __VERIFIER_nondet_int() [L22] COND FALSE !(N <= 0) [L23] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L11] COND FALSE !(!cond) [L23] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L25] int i; [L26] long long sum[1]; [L27] int *a = malloc(sizeof(int)*N); [L29] sum[0] = 0 [L30] i=0 [L30] COND TRUE i