/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 enumeration-timeout=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/array-fpi/indp2f.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:34:51,508 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:34:51,512 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:34:51,562 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:34:51,563 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:34:51,575 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:34:51,577 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:34:51,579 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:34:51,585 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:34:51,586 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:34:51,589 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:34:51,591 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:34:51,591 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:34:51,593 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:34:51,594 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:34:51,595 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:34:51,597 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:34:51,598 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:34:51,601 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:34:51,608 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:34:51,610 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:34:51,614 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:34:51,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:34:51,616 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:34:51,621 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:34:51,621 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:34:51,621 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:34:51,624 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:34:51,625 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:34:51,626 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:34:51,626 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:34:51,627 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:34:51,628 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:34:51,629 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:34:51,630 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:34:51,631 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:34:51,631 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:34:51,632 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:34:51,632 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:34:51,633 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:34:51,635 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:34:51,636 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 12:34:51,686 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:34:51,686 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:34:51,688 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:34:51,688 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:34:51,689 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:34:51,689 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:34:51,689 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:34:51,690 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:34:51,690 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:34:51,690 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:34:51,691 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:34:51,691 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:34:51,692 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:34:51,692 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:34:51,692 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:34:51,693 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:34:51,693 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:34:51,693 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:34:51,693 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:34:51,693 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:34:51,694 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:34:51,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:34:51,694 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:34:51,694 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:34:51,694 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:34:51,695 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:34:51,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:34:51,695 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:34:51,695 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:34:51,695 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;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:34:52,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:34:52,203 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:34:52,207 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:34:52,209 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:34:52,210 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:34:52,212 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/indp2f.c [2020-09-21 12:34:52,305 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a6d8a3b1f/f83b8afe7bc84923a3f9a5419ef4a1e7/FLAG025a62f85 [2020-09-21 12:34:52,852 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:34:52,853 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/indp2f.c [2020-09-21 12:34:52,862 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a6d8a3b1f/f83b8afe7bc84923a3f9a5419ef4a1e7/FLAG025a62f85 [2020-09-21 12:34:53,207 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a6d8a3b1f/f83b8afe7bc84923a3f9a5419ef4a1e7 [2020-09-21 12:34:53,221 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:34:53,229 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:34:53,230 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:34:53,231 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:34:53,235 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:34:53,236 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:34:53" (1/1) ... [2020-09-21 12:34:53,240 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@774a9bb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:34:53, skipping insertion in model container [2020-09-21 12:34:53,241 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:34:53" (1/1) ... [2020-09-21 12:34:53,250 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:34:53,276 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:34:53,519 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:34:53,532 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:34:53,556 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:34:53,580 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:34:53,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:34:53 WrapperNode [2020-09-21 12:34:53,582 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:34:53,583 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:34:53,583 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:34:53,584 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:34:53,712 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:34:53" (1/1) ... [2020-09-21 12:34:53,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:34:53" (1/1) ... [2020-09-21 12:34:53,727 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:34:53" (1/1) ... [2020-09-21 12:34:53,727 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:34:53" (1/1) ... [2020-09-21 12:34:53,750 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:34:53" (1/1) ... [2020-09-21 12:34:53,760 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:34:53" (1/1) ... [2020-09-21 12:34:53,767 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:34:53" (1/1) ... [2020-09-21 12:34:53,771 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:34:53,771 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:34:53,772 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:34:53,772 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:34:53,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:34:53" (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 12:34:53,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:34:53,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:34:53,871 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-21 12:34:53,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-21 12:34:53,871 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:34:53,871 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:34:53,871 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-21 12:34:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-21 12:34:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-21 12:34:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:34:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:34:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:34:53,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:34:53,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:34:53,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:34:53,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:34:53,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:34:53,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:34:54,155 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:34:54,156 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-21 12:34:54,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:34:54 BoogieIcfgContainer [2020-09-21 12:34:54,161 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:34:54,162 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:34:54,163 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:34:54,166 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:34:54,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:34:53" (1/3) ... [2020-09-21 12:34:54,168 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d8e5c7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:34:54, skipping insertion in model container [2020-09-21 12:34:54,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:34:53" (2/3) ... [2020-09-21 12:34:54,168 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d8e5c7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:34:54, skipping insertion in model container [2020-09-21 12:34:54,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:34:54" (3/3) ... [2020-09-21 12:34:54,171 INFO L109 eAbstractionObserver]: Analyzing ICFG indp2f.c [2020-09-21 12:34:54,180 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:34:54,190 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:34:54,212 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:34:54,240 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:34:54,240 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:34:54,241 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:34:54,241 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:34:54,241 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:34:54,241 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:34:54,241 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:34:54,241 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:34:54,266 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2020-09-21 12:34:54,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-09-21 12:34:54,275 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:34:54,276 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] [2020-09-21 12:34:54,276 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:34:54,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:34:54,285 INFO L82 PathProgramCache]: Analyzing trace with hash 1155719453, now seen corresponding path program 1 times [2020-09-21 12:34:54,295 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:34:54,295 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1148447048] [2020-09-21 12:34:54,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:34:54,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:34:54,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:34:54,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:34:54,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:34:54,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:34:54,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:34:55,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:34:55,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:34:55,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:34:55,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-21 12:34:55,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-21 12:34:55,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1003 [2020-09-21 12:34:55,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:34:55,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:34:55,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 12:34:55,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:34:55,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:34:55,690 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2020-09-21 12:34:55,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:34:55,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:34:55,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:34:55,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:34:55,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:34:55,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:34:55,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:34:55,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:34:55,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:34:55,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:34:55,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:34:55,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:34:55,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 12:34:55,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:34:55,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:34:55,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:34:55,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:34:55,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:34:55,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:34:55,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:34:55,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:34:55,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 12:34:55,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:34:55,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:34:55,741 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 12:34:55,743 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1148447048] [2020-09-21 12:34:55,746 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:34:55,746 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 12:34:55,747 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545604306] [2020-09-21 12:34:55,755 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 12:34:55,756 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:34:55,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 12:34:55,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 12:34:55,780 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 3 states. [2020-09-21 12:34:55,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:34:55,916 INFO L93 Difference]: Finished difference Result 64 states and 83 transitions. [2020-09-21 12:34:55,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 12:34:55,918 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-09-21 12:34:55,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:34:55,930 INFO L225 Difference]: With dead ends: 64 [2020-09-21 12:34:55,930 INFO L226 Difference]: Without dead ends: 32 [2020-09-21 12:34:55,935 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 12:34:55,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-09-21 12:34:55,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2020-09-21 12:34:55,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-09-21 12:34:55,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 35 transitions. [2020-09-21 12:34:55,990 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 35 transitions. Word has length 24 [2020-09-21 12:34:55,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:34:55,991 INFO L479 AbstractCegarLoop]: Abstraction has 32 states and 35 transitions. [2020-09-21 12:34:55,991 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 12:34:55,992 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2020-09-21 12:34:55,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-09-21 12:34:55,993 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:34:55,993 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] [2020-09-21 12:34:55,994 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:34:55,994 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:34:55,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:34:55,995 INFO L82 PathProgramCache]: Analyzing trace with hash -124144225, now seen corresponding path program 1 times [2020-09-21 12:34:55,995 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:34:55,995 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1044266153] [2020-09-21 12:34:55,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:34:56,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:34:56,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:34:56,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:34:56,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:34:56,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:34:56,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:34:56,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:34:56,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:34:56,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-21 12:34:56,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-21 12:34:56,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 746 [2020-09-21 12:34:56,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:34:56,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 12:34:56,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 12:34:56,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 12:34:56,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:34:56,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:34:56,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:34:56,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:34:56,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:34:56,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:34:56,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:34:56,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:34:56,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:34:56,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:34:56,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:34:56,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:34:56,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:34:56,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 12:34:56,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:34:56,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:34:56,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:34:56,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:34:56,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:34:56,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:34:56,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:34:56,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:34:56,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:34:56,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:34:56,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:34:56,859 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 12:34:56,860 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1044266153] [2020-09-21 12:34:56,860 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:34:56,861 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:34:56,861 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369514579] [2020-09-21 12:34:56,863 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:34:56,864 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:34:56,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:34:56,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:34:56,865 INFO L87 Difference]: Start difference. First operand 32 states and 35 transitions. Second operand 5 states. [2020-09-21 12:34:57,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:34:57,025 INFO L93 Difference]: Finished difference Result 59 states and 68 transitions. [2020-09-21 12:34:57,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 12:34:57,026 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-09-21 12:34:57,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:34:57,030 INFO L225 Difference]: With dead ends: 59 [2020-09-21 12:34:57,030 INFO L226 Difference]: Without dead ends: 42 [2020-09-21 12:34:57,032 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 12:34:57,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-09-21 12:34:57,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 35. [2020-09-21 12:34:57,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-09-21 12:34:57,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 38 transitions. [2020-09-21 12:34:57,047 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 38 transitions. Word has length 24 [2020-09-21 12:34:57,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:34:57,048 INFO L479 AbstractCegarLoop]: Abstraction has 35 states and 38 transitions. [2020-09-21 12:34:57,048 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:34:57,048 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2020-09-21 12:34:57,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-09-21 12:34:57,049 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:34:57,050 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] [2020-09-21 12:34:57,050 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:34:57,050 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:34:57,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:34:57,051 INFO L82 PathProgramCache]: Analyzing trace with hash -191015719, now seen corresponding path program 1 times [2020-09-21 12:34:57,051 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:34:57,052 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [925985450] [2020-09-21 12:34:57,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:34:57,064 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-09-21 12:34:57,065 WARN L168 FreeRefinementEngine]: Strategy FIXED_PREFERENCES was unsuccessful and could not determine trace feasibility [2020-09-21 12:34:57,065 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-21 12:34:57,071 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:34:57,091 WARN L231 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-09-21 12:34:57,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:34:57 BoogieIcfgContainer [2020-09-21 12:34:57,092 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:34:57,098 INFO L168 Benchmark]: Toolchain (without parser) took 3874.12 ms. Allocated memory was 146.3 MB in the beginning and 235.4 MB in the end (delta: 89.1 MB). Free memory was 102.5 MB in the beginning and 106.5 MB in the end (delta: -4.0 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. [2020-09-21 12:34:57,100 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 12:34:57,101 INFO L168 Benchmark]: CACSL2BoogieTranslator took 352.35 ms. Allocated memory is still 146.3 MB. Free memory was 101.8 MB in the beginning and 91.6 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2020-09-21 12:34:57,102 INFO L168 Benchmark]: Boogie Preprocessor took 187.84 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 91.6 MB in the beginning and 181.7 MB in the end (delta: -90.1 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2020-09-21 12:34:57,104 INFO L168 Benchmark]: RCFGBuilder took 389.76 ms. Allocated memory is still 204.5 MB. Free memory was 181.7 MB in the beginning and 164.9 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. [2020-09-21 12:34:57,106 INFO L168 Benchmark]: TraceAbstraction took 2929.84 ms. Allocated memory was 204.5 MB in the beginning and 235.4 MB in the end (delta: 30.9 MB). Free memory was 164.2 MB in the beginning and 106.5 MB in the end (delta: 57.7 MB). Peak memory consumption was 88.6 MB. Max. memory is 7.1 GB. [2020-09-21 12:34:57,117 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 146.3 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 352.35 ms. Allocated memory is still 146.3 MB. Free memory was 101.8 MB in the beginning and 91.6 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 187.84 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 91.6 MB in the beginning and 181.7 MB in the end (delta: -90.1 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 389.76 ms. Allocated memory is still 204.5 MB. Free memory was 181.7 MB in the beginning and 164.9 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2929.84 ms. Allocated memory was 204.5 MB in the beginning and 235.4 MB in the end (delta: 30.9 MB). Free memory was 164.2 MB in the beginning and 106.5 MB in the end (delta: 57.7 MB). Peak memory consumption was 88.6 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