/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=BIGGEST --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 20:41:05,306 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 20:41:05,310 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 20:41:05,353 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 20:41:05,353 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 20:41:05,361 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 20:41:05,363 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 20:41:05,366 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 20:41:05,369 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 20:41:05,372 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 20:41:05,373 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 20:41:05,374 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 20:41:05,374 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 20:41:05,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 20:41:05,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 20:41:05,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 20:41:05,383 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 20:41:05,384 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 20:41:05,385 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 20:41:05,393 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 20:41:05,396 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 20:41:05,397 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 20:41:05,398 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 20:41:05,399 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 20:41:05,411 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 20:41:05,411 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 20:41:05,411 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 20:41:05,418 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 20:41:05,418 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 20:41:05,419 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 20:41:05,419 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 20:41:05,420 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 20:41:05,426 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 20:41:05,427 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 20:41:05,428 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 20:41:05,428 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 20:41:05,429 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 20:41:05,429 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 20:41:05,430 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 20:41:05,431 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 20:41:05,431 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 20:41:05,433 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 20:41:05,475 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 20:41:05,476 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 20:41:05,478 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 20:41:05,478 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 20:41:05,478 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 20:41:05,478 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 20:41:05,479 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 20:41:05,479 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 20:41:05,479 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 20:41:05,479 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 20:41:05,480 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 20:41:05,481 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 20:41:05,481 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 20:41:05,481 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 20:41:05,481 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 20:41:05,482 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 20:41:05,482 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 20:41:05,482 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 20:41:05,482 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 20:41:05,482 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 20:41:05,483 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 20:41:05,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 20:41:05,483 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 20:41:05,483 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 20:41:05,483 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 20:41:05,484 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 20:41:05,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 20:41:05,484 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 20:41:05,484 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 20:41:05,484 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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;log-additional-information=true; [2020-09-24 20:41:05,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 20:41:05,997 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 20:41:06,002 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 20:41:06,005 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 20:41:06,005 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 20:41:06,006 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/indp2f.c [2020-09-24 20:41:06,094 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2162495a7/d7c0d364bae64838ba5f09da71959a04/FLAGfe129ec64 [2020-09-24 20:41:06,652 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 20:41:06,653 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/indp2f.c [2020-09-24 20:41:06,662 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2162495a7/d7c0d364bae64838ba5f09da71959a04/FLAGfe129ec64 [2020-09-24 20:41:06,999 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2162495a7/d7c0d364bae64838ba5f09da71959a04 [2020-09-24 20:41:07,012 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 20:41:07,018 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 20:41:07,019 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 20:41:07,019 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 20:41:07,026 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 20:41:07,027 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:41:07" (1/1) ... [2020-09-24 20:41:07,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42dfe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:41:07, skipping insertion in model container [2020-09-24 20:41:07,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:41:07" (1/1) ... [2020-09-24 20:41:07,041 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 20:41:07,076 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 20:41:07,306 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:41:07,317 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 20:41:07,337 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:41:07,354 INFO L208 MainTranslator]: Completed translation [2020-09-24 20:41:07,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:41:07 WrapperNode [2020-09-24 20:41:07,354 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 20:41:07,355 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 20:41:07,355 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 20:41:07,356 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 20:41:07,459 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:41:07" (1/1) ... [2020-09-24 20:41:07,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:41:07" (1/1) ... [2020-09-24 20:41:07,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:41:07" (1/1) ... [2020-09-24 20:41:07,468 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:41:07" (1/1) ... [2020-09-24 20:41:07,476 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:41:07" (1/1) ... [2020-09-24 20:41:07,483 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:41:07" (1/1) ... [2020-09-24 20:41:07,484 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:41:07" (1/1) ... [2020-09-24 20:41:07,487 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 20:41:07,487 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 20:41:07,488 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 20:41:07,488 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 20:41:07,489 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:41:07" (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 20:41:07,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 20:41:07,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 20:41:07,560 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 20:41:07,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-24 20:41:07,561 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 20:41:07,561 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 20:41:07,561 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 20:41:07,561 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 20:41:07,562 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-24 20:41:07,562 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 20:41:07,562 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 20:41:07,562 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 20:41:07,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 20:41:07,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 20:41:07,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 20:41:07,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 20:41:07,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 20:41:07,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 20:41:07,896 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 20:41:07,896 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-24 20:41:07,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:41:07 BoogieIcfgContainer [2020-09-24 20:41:07,902 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 20:41:07,904 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 20:41:07,904 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 20:41:07,907 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 20:41:07,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 08:41:07" (1/3) ... [2020-09-24 20:41:07,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5202b9a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:41:07, skipping insertion in model container [2020-09-24 20:41:07,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:41:07" (2/3) ... [2020-09-24 20:41:07,909 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5202b9a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:41:07, skipping insertion in model container [2020-09-24 20:41:07,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:41:07" (3/3) ... [2020-09-24 20:41:07,911 INFO L109 eAbstractionObserver]: Analyzing ICFG indp2f.c [2020-09-24 20:41:07,923 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 20:41:07,933 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 20:41:07,952 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 20:41:07,981 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 20:41:07,981 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 20:41:07,981 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 20:41:07,981 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 20:41:07,981 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 20:41:07,982 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 20:41:07,982 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 20:41:07,982 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 20:41:08,005 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states. [2020-09-24 20:41:08,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-24 20:41:08,013 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:41:08,014 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 20:41:08,015 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:41:08,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:41:08,021 INFO L82 PathProgramCache]: Analyzing trace with hash -1846170158, now seen corresponding path program 1 times [2020-09-24 20:41:08,029 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:41:08,030 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [358539964] [2020-09-24 20:41:08,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:41:08,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:41:08,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:41:08,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:41:08,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:41:08,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:41:08,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 20:41:08,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 20:41:08,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 274 [2020-09-24 20:41:08,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:41:08,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:41:08,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 20:41:08,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:41:08,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 20:41:08,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:41:08,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:41:08,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:41:08,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:41:08,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:41:08,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:41:08,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 20:41:08,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:41:08,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:41:08,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:41:08,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:41:08,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:41:08,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 20:41:08,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:41:08,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:41:08,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:41:08,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 20:41:08,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:41:08,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 20:41:08,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:41:08,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:41:08,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:41:08,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:41:08,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:41:08,580 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 20:41:08,581 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [358539964] [2020-09-24 20:41:08,583 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:41:08,584 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 20:41:08,585 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944911892] [2020-09-24 20:41:08,591 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 20:41:08,592 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:41:08,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 20:41:08,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 20:41:08,613 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 3 states. [2020-09-24 20:41:08,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:41:08,798 INFO L93 Difference]: Finished difference Result 109 states and 128 transitions. [2020-09-24 20:41:08,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 20:41:08,800 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-09-24 20:41:08,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:41:08,812 INFO L225 Difference]: With dead ends: 109 [2020-09-24 20:41:08,812 INFO L226 Difference]: Without dead ends: 56 [2020-09-24 20:41:08,817 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 20:41:08,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-09-24 20:41:08,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2020-09-24 20:41:08,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-09-24 20:41:08,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 59 transitions. [2020-09-24 20:41:08,869 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 59 transitions. Word has length 33 [2020-09-24 20:41:08,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:41:08,870 INFO L479 AbstractCegarLoop]: Abstraction has 56 states and 59 transitions. [2020-09-24 20:41:08,870 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 20:41:08,870 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 59 transitions. [2020-09-24 20:41:08,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-24 20:41:08,872 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:41:08,872 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 20:41:08,873 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 20:41:08,873 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:41:08,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:41:08,873 INFO L82 PathProgramCache]: Analyzing trace with hash 1457656721, now seen corresponding path program 1 times [2020-09-24 20:41:08,874 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:41:08,874 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [272256039] [2020-09-24 20:41:08,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:41:08,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:41:08,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:41:08,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:41:09,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:41:09,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:41:09,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:41:09,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:41:09,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:41:09,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 20:41:09,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-24 20:41:09,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1079 [2020-09-24 20:41:09,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:41:09,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 20:41:09,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-09-24 20:41:09,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 20:41:09,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:41:10,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:41:10,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:41:10,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:41:10,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:41:10,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:41:10,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:41:10,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 20:41:10,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:41:10,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:41:10,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:41:10,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:41:10,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:41:10,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 20:41:10,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:41:10,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:41:10,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:41:10,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 20:41:10,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:41:10,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:41:10,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:41:10,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:41:10,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:41:10,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:41:10,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:41:10,047 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 20:41:10,048 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [272256039] [2020-09-24 20:41:10,048 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:41:10,048 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 20:41:10,048 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351068275] [2020-09-24 20:41:10,051 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 20:41:10,051 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:41:10,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 20:41:10,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-24 20:41:10,052 INFO L87 Difference]: Start difference. First operand 56 states and 59 transitions. Second operand 6 states. [2020-09-24 20:41:10,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:41:10,313 INFO L93 Difference]: Finished difference Result 113 states and 124 transitions. [2020-09-24 20:41:10,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 20:41:10,314 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2020-09-24 20:41:10,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:41:10,318 INFO L225 Difference]: With dead ends: 113 [2020-09-24 20:41:10,318 INFO L226 Difference]: Without dead ends: 78 [2020-09-24 20:41:10,320 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 20:41:10,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-09-24 20:41:10,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 59. [2020-09-24 20:41:10,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-09-24 20:41:10,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 62 transitions. [2020-09-24 20:41:10,337 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 62 transitions. Word has length 33 [2020-09-24 20:41:10,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:41:10,338 INFO L479 AbstractCegarLoop]: Abstraction has 59 states and 62 transitions. [2020-09-24 20:41:10,338 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 20:41:10,338 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 62 transitions. [2020-09-24 20:41:10,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-24 20:41:10,340 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:41:10,340 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 20:41:10,340 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 20:41:10,341 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:41:10,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:41:10,341 INFO L82 PathProgramCache]: Analyzing trace with hash 1203755678, now seen corresponding path program 1 times [2020-09-24 20:41:10,341 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:41:10,342 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1856139300] [2020-09-24 20:41:10,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:41:10,355 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-09-24 20:41:10,356 WARN L168 FreeRefinementEngine]: Strategy FIXED_PREFERENCES was unsuccessful and could not determine trace feasibility [2020-09-24 20:41:10,356 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-24 20:41:10,361 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 20:41:10,383 WARN L231 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-09-24 20:41:10,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 08:41:10 BoogieIcfgContainer [2020-09-24 20:41:10,384 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 20:41:10,388 INFO L168 Benchmark]: Toolchain (without parser) took 3372.02 ms. Allocated memory was 145.2 MB in the beginning and 233.3 MB in the end (delta: 88.1 MB). Free memory was 100.7 MB in the beginning and 97.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 91.7 MB. Max. memory is 7.1 GB. [2020-09-24 20:41:10,389 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 145.2 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-24 20:41:10,390 INFO L168 Benchmark]: CACSL2BoogieTranslator took 335.70 ms. Allocated memory is still 145.2 MB. Free memory was 100.0 MB in the beginning and 89.8 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2020-09-24 20:41:10,391 INFO L168 Benchmark]: Boogie Preprocessor took 131.86 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 89.8 MB in the beginning and 179.6 MB in the end (delta: -89.8 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2020-09-24 20:41:10,392 INFO L168 Benchmark]: RCFGBuilder took 415.03 ms. Allocated memory is still 202.4 MB. Free memory was 179.6 MB in the beginning and 161.2 MB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 7.1 GB. [2020-09-24 20:41:10,393 INFO L168 Benchmark]: TraceAbstraction took 2480.04 ms. Allocated memory was 202.4 MB in the beginning and 233.3 MB in the end (delta: 30.9 MB). Free memory was 160.5 MB in the beginning and 97.0 MB in the end (delta: 63.5 MB). Peak memory consumption was 94.4 MB. Max. memory is 7.1 GB. [2020-09-24 20:41:10,397 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 145.2 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 335.70 ms. Allocated memory is still 145.2 MB. Free memory was 100.0 MB in the beginning and 89.8 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 131.86 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 89.8 MB in the beginning and 179.6 MB in the end (delta: -89.8 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 415.03 ms. Allocated memory is still 202.4 MB. Free memory was 179.6 MB in the beginning and 161.2 MB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2480.04 ms. Allocated memory was 202.4 MB in the beginning and 233.3 MB in the end (delta: 30.9 MB). Free memory was 160.5 MB in the beginning and 97.0 MB in the end (delta: 63.5 MB). Peak memory consumption was 94.4 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