/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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 SequenceOfStatements --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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/array-fpi/s4if.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 03:57:29,595 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 03:57:29,600 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 03:57:29,659 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 03:57:29,660 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 03:57:29,668 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 03:57:29,670 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 03:57:29,675 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 03:57:29,679 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 03:57:29,686 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 03:57:29,687 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 03:57:29,689 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 03:57:29,689 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 03:57:29,693 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 03:57:29,696 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 03:57:29,699 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 03:57:29,701 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 03:57:29,705 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 03:57:29,713 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 03:57:29,722 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 03:57:29,724 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 03:57:29,726 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 03:57:29,728 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 03:57:29,731 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 03:57:29,740 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 03:57:29,741 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 03:57:29,741 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 03:57:29,743 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 03:57:29,744 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 03:57:29,745 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 03:57:29,746 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 03:57:29,747 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 03:57:29,749 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 03:57:29,750 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 03:57:29,751 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 03:57:29,752 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 03:57:29,752 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 03:57:29,752 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 03:57:29,753 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 03:57:29,754 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 03:57:29,754 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 03:57:29,762 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 [2020-10-29 03:57:29,816 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 03:57:29,817 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 03:57:29,820 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 03:57:29,821 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 03:57:29,821 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 03:57:29,821 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 03:57:29,821 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 03:57:29,821 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 03:57:29,822 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 03:57:29,822 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 03:57:29,823 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 03:57:29,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 03:57:29,823 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 03:57:29,824 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 03:57:29,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 03:57:29,824 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 03:57:29,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 03:57:29,824 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 03:57:29,825 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 03:57:29,825 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 03:57:29,825 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 03:57:29,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 03:57:29,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 03:57:29,825 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 03:57:29,826 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 03:57:29,826 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 03:57:29,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 03:57:29,826 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 03:57:29,826 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 03:57:29,827 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 03:57:30,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 03:57:30,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 03:57:30,335 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 03:57:30,337 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 03:57:30,338 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 03:57:30,339 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/s4if.c [2020-10-29 03:57:30,423 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e5e5617c4/176dd9b7b3714c8e8868baf979a0acdc/FLAG48b28b626 [2020-10-29 03:57:31,174 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 03:57:31,175 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/s4if.c [2020-10-29 03:57:31,184 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e5e5617c4/176dd9b7b3714c8e8868baf979a0acdc/FLAG48b28b626 [2020-10-29 03:57:31,493 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e5e5617c4/176dd9b7b3714c8e8868baf979a0acdc [2020-10-29 03:57:31,497 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 03:57:31,504 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 03:57:31,507 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 03:57:31,508 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 03:57:31,513 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 03:57:31,514 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:57:31" (1/1) ... [2020-10-29 03:57:31,517 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55f9954f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:57:31, skipping insertion in model container [2020-10-29 03:57:31,518 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:57:31" (1/1) ... [2020-10-29 03:57:31,527 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 03:57:31,543 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 03:57:31,733 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 03:57:31,744 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 03:57:31,771 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 03:57:31,790 INFO L208 MainTranslator]: Completed translation [2020-10-29 03:57:31,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:57:31 WrapperNode [2020-10-29 03:57:31,791 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 03:57:31,792 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 03:57:31,793 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 03:57:31,793 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 03:57:31,809 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:57:31" (1/1) ... [2020-10-29 03:57:31,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:57:31" (1/1) ... [2020-10-29 03:57:31,820 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:57:31" (1/1) ... [2020-10-29 03:57:31,821 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:57:31" (1/1) ... [2020-10-29 03:57:31,832 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:57:31" (1/1) ... [2020-10-29 03:57:31,838 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:57:31" (1/1) ... [2020-10-29 03:57:31,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:57:31" (1/1) ... [2020-10-29 03:57:31,843 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 03:57:31,845 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 03:57:31,845 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 03:57:31,845 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 03:57:31,846 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:57:31" (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 [2020-10-29 03:57:31,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 03:57:31,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 03:57:31,946 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 03:57:31,946 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-29 03:57:31,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-29 03:57:31,946 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 03:57:31,946 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 03:57:31,947 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 03:57:31,947 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 03:57:31,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 03:57:31,947 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-29 03:57:31,947 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-29 03:57:31,948 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 03:57:31,948 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 03:57:31,948 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 03:57:31,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 03:57:31,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 03:57:31,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 03:57:31,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 03:57:31,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 03:57:31,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 03:57:31,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 03:57:32,449 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 03:57:32,450 INFO L298 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-29 03:57:32,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:57:32 BoogieIcfgContainer [2020-10-29 03:57:32,453 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 03:57:32,459 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 03:57:32,459 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 03:57:32,463 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 03:57:32,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 03:57:31" (1/3) ... [2020-10-29 03:57:32,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56f1f672 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 03:57:32, skipping insertion in model container [2020-10-29 03:57:32,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:57:31" (2/3) ... [2020-10-29 03:57:32,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56f1f672 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 03:57:32, skipping insertion in model container [2020-10-29 03:57:32,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:57:32" (3/3) ... [2020-10-29 03:57:32,470 INFO L111 eAbstractionObserver]: Analyzing ICFG s4if.c [2020-10-29 03:57:32,486 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 03:57:32,492 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 03:57:32,511 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 03:57:32,564 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 03:57:32,564 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 03:57:32,565 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 03:57:32,565 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 03:57:32,565 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 03:57:32,565 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 03:57:32,565 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 03:57:32,566 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 03:57:32,593 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states. [2020-10-29 03:57:32,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-29 03:57:32,604 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:57:32,605 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] [2020-10-29 03:57:32,605 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:57:32,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:57:32,623 INFO L82 PathProgramCache]: Analyzing trace with hash -1361575079, now seen corresponding path program 1 times [2020-10-29 03:57:32,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:57:32,637 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [553779278] [2020-10-29 03:57:32,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:57:32,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:57:32,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:57:33,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:57:33,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:57:33,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:57:33,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-29 03:57:33,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 03:57:33,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 681 [2020-10-29 03:57:33,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:57:33,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:57:33,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 03:57:33,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 03:57:33,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 03:57:33,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-29 03:57:33,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:57:33,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:57:33,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:57:33,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:57:33,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:57:33,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:57:33,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 03:57:33,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:57:33,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:57:33,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:57:33,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:57:33,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:57:33,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 11 [2020-10-29 03:57:33,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 03:57:33,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:57:33,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:57:33,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:57:33,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:57:33,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:57:33,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:57:33,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 03:57:33,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:57:33,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:57:33,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:57:33,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:57:33,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:57:33,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 03:57:33,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 03:57:33,814 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [553779278] [2020-10-29 03:57:33,818 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 03:57:33,818 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-29 03:57:33,820 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122165811] [2020-10-29 03:57:33,830 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 03:57:33,832 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:57:33,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 03:57:33,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-29 03:57:33,853 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 5 states. [2020-10-29 03:57:34,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:57:34,106 INFO L93 Difference]: Finished difference Result 65 states and 82 transitions. [2020-10-29 03:57:34,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 03:57:34,109 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-10-29 03:57:34,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:57:34,118 INFO L225 Difference]: With dead ends: 65 [2020-10-29 03:57:34,119 INFO L226 Difference]: Without dead ends: 28 [2020-10-29 03:57:34,123 INFO L677 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 [2020-10-29 03:57:34,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-10-29 03:57:34,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2020-10-29 03:57:34,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-10-29 03:57:34,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2020-10-29 03:57:34,174 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 22 [2020-10-29 03:57:34,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:57:34,174 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2020-10-29 03:57:34,175 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 03:57:34,175 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2020-10-29 03:57:34,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-29 03:57:34,176 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:57:34,176 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] [2020-10-29 03:57:34,177 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 03:57:34,177 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:57:34,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:57:34,178 INFO L82 PathProgramCache]: Analyzing trace with hash 1619095335, now seen corresponding path program 1 times [2020-10-29 03:57:34,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:57:34,178 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1793830006] [2020-10-29 03:57:34,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:57:34,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:57:34,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:57:34,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:57:34,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:57:35,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:57:35,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-29 03:57:35,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 03:57:35,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1778 [2020-10-29 03:57:35,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:57:36,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:57:36,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 03:57:36,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-29 03:57:36,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 03:57:36,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-10-29 03:57:36,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:57:36,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:57:36,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:57:36,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:57:36,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:57:36,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:57:36,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 03:57:36,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:57:36,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:57:36,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:57:36,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:57:36,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:57:36,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:57:36,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 03:57:36,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:57:36,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:57:36,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:57:36,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:57:36,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:57:36,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 03:57:36,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:57:36,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:57:36,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:57:36,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:57:36,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:57:36,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:57:36,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 03:57:36,347 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1793830006] [2020-10-29 03:57:36,348 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 03:57:36,348 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-29 03:57:36,348 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248072062] [2020-10-29 03:57:36,350 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 03:57:36,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:57:36,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 03:57:36,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2020-10-29 03:57:36,352 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. Second operand 12 states. [2020-10-29 03:57:37,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:57:37,120 INFO L93 Difference]: Finished difference Result 52 states and 60 transitions. [2020-10-29 03:57:37,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-29 03:57:37,122 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 27 [2020-10-29 03:57:37,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:57:37,127 INFO L225 Difference]: With dead ends: 52 [2020-10-29 03:57:37,127 INFO L226 Difference]: Without dead ends: 45 [2020-10-29 03:57:37,130 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2020-10-29 03:57:37,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-29 03:57:37,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 36. [2020-10-29 03:57:37,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-10-29 03:57:37,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 41 transitions. [2020-10-29 03:57:37,155 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 41 transitions. Word has length 27 [2020-10-29 03:57:37,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:57:37,156 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 41 transitions. [2020-10-29 03:57:37,156 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 03:57:37,156 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 41 transitions. [2020-10-29 03:57:37,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-29 03:57:37,159 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:57:37,159 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] [2020-10-29 03:57:37,159 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 03:57:37,159 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:57:37,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:57:37,161 INFO L82 PathProgramCache]: Analyzing trace with hash -1995813591, now seen corresponding path program 1 times [2020-10-29 03:57:37,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:57:37,162 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [987518280] [2020-10-29 03:57:37,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:57:37,187 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-10-29 03:57:37,188 WARN L167 FreeRefinementEngine]: Strategy FIXED_PREFERENCES was unsuccessful and could not determine trace feasibility [2020-10-29 03:57:37,188 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-29 03:57:37,195 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 03:57:37,223 WARN L238 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-10-29 03:57:37,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 03:57:37 BoogieIcfgContainer [2020-10-29 03:57:37,223 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 03:57:37,230 INFO L168 Benchmark]: Toolchain (without parser) took 5726.16 ms. Allocated memory was 125.8 MB in the beginning and 195.0 MB in the end (delta: 69.2 MB). Free memory was 101.4 MB in the beginning and 116.8 MB in the end (delta: -15.4 MB). Peak memory consumption was 54.8 MB. Max. memory is 8.0 GB. [2020-10-29 03:57:37,231 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 125.8 MB. Free memory is still 88.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 03:57:37,233 INFO L168 Benchmark]: CACSL2BoogieTranslator took 284.38 ms. Allocated memory is still 125.8 MB. Free memory was 100.7 MB in the beginning and 90.8 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-10-29 03:57:37,235 INFO L168 Benchmark]: Boogie Preprocessor took 51.30 ms. Allocated memory is still 125.8 MB. Free memory was 90.8 MB in the beginning and 89.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-10-29 03:57:37,237 INFO L168 Benchmark]: RCFGBuilder took 608.83 ms. Allocated memory was 125.8 MB in the beginning and 162.5 MB in the end (delta: 36.7 MB). Free memory was 89.2 MB in the beginning and 144.6 MB in the end (delta: -55.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 8.0 GB. [2020-10-29 03:57:37,241 INFO L168 Benchmark]: TraceAbstraction took 4764.53 ms. Allocated memory was 162.5 MB in the beginning and 195.0 MB in the end (delta: 32.5 MB). Free memory was 144.2 MB in the beginning and 116.8 MB in the end (delta: 27.3 MB). Peak memory consumption was 60.3 MB. Max. memory is 8.0 GB. [2020-10-29 03:57:37,256 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 125.8 MB. Free memory is still 88.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 284.38 ms. Allocated memory is still 125.8 MB. Free memory was 100.7 MB in the beginning and 90.8 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 51.30 ms. Allocated memory is still 125.8 MB. Free memory was 90.8 MB in the beginning and 89.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 608.83 ms. Allocated memory was 125.8 MB in the beginning and 162.5 MB in the end (delta: 36.7 MB). Free memory was 89.2 MB in the beginning and 144.6 MB in the end (delta: -55.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 4764.53 ms. Allocated memory was 162.5 MB in the beginning and 195.0 MB in the end (delta: 32.5 MB). Free memory was 144.2 MB in the beginning and 116.8 MB in the end (delta: 27.3 MB). Peak memory consumption was 60.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 10]: 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: [L19] int N; [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L13] COND FALSE !(!cond) [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L27] int i; [L28] long long sum[1]; [L29] int *a = malloc(sizeof(int)*N); [L31] sum[0] = 0 [L32] i=0 [L32] COND TRUE i