/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=SHALLOWEST --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/s42if.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-26 19:41:39,856 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 19:41:39,861 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 19:41:39,926 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 19:41:39,926 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 19:41:39,935 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 19:41:39,938 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 19:41:39,943 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 19:41:39,947 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 19:41:39,955 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 19:41:39,957 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 19:41:39,959 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 19:41:39,959 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 19:41:39,963 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 19:41:39,966 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 19:41:39,969 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 19:41:39,970 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 19:41:39,975 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 19:41:39,983 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 19:41:39,986 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 19:41:39,992 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 19:41:39,994 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 19:41:39,996 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 19:41:39,999 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 19:41:40,006 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 19:41:40,007 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 19:41:40,007 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 19:41:40,010 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 19:41:40,010 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 19:41:40,011 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 19:41:40,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 19:41:40,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 19:41:40,015 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 19:41:40,016 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 19:41:40,017 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 19:41:40,017 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 19:41:40,018 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 19:41:40,018 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 19:41:40,019 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 19:41:40,020 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 19:41:40,021 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 19:41:40,022 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 [2020-10-26 19:41:40,082 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 19:41:40,082 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 19:41:40,088 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 19:41:40,088 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 19:41:40,088 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 19:41:40,088 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 19:41:40,089 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 19:41:40,089 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 19:41:40,089 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 19:41:40,089 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 19:41:40,091 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-26 19:41:40,091 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 19:41:40,091 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-26 19:41:40,091 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 19:41:40,092 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 19:41:40,092 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 19:41:40,092 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-26 19:41:40,092 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 19:41:40,092 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 19:41:40,093 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 19:41:40,093 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 19:41:40,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 19:41:40,093 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 19:41:40,093 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 19:41:40,094 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-26 19:41:40,094 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 19:41:40,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-26 19:41:40,094 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-26 19:41:40,094 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 19:41:40,095 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-26 19:41:40,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 19:41:40,602 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 19:41:40,606 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 19:41:40,607 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 19:41:40,608 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 19:41:40,609 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/s42if.c [2020-10-26 19:41:40,701 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/16b66750f/546dd7c0d4c64fb9b652a93656b5a306/FLAG2863b16a1 [2020-10-26 19:41:41,346 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 19:41:41,347 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/s42if.c [2020-10-26 19:41:41,358 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/16b66750f/546dd7c0d4c64fb9b652a93656b5a306/FLAG2863b16a1 [2020-10-26 19:41:41,691 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/16b66750f/546dd7c0d4c64fb9b652a93656b5a306 [2020-10-26 19:41:41,695 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 19:41:41,703 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-26 19:41:41,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 19:41:41,705 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 19:41:41,715 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 19:41:41,716 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:41:41" (1/1) ... [2020-10-26 19:41:41,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b06fb58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:41:41, skipping insertion in model container [2020-10-26 19:41:41,722 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:41:41" (1/1) ... [2020-10-26 19:41:41,731 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 19:41:41,749 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 19:41:41,930 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 19:41:41,940 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 19:41:41,966 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 19:41:41,985 INFO L208 MainTranslator]: Completed translation [2020-10-26 19:41:41,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:41:41 WrapperNode [2020-10-26 19:41:41,986 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 19:41:41,987 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 19:41:41,987 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 19:41:41,988 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 19:41:42,000 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:41:41" (1/1) ... [2020-10-26 19:41:42,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:41:41" (1/1) ... [2020-10-26 19:41:42,010 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:41:41" (1/1) ... [2020-10-26 19:41:42,011 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:41:41" (1/1) ... [2020-10-26 19:41:42,022 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:41:41" (1/1) ... [2020-10-26 19:41:42,028 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:41:41" (1/1) ... [2020-10-26 19:41:42,031 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:41:41" (1/1) ... [2020-10-26 19:41:42,034 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 19:41:42,035 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 19:41:42,035 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 19:41:42,035 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 19:41:42,036 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:41:41" (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 [2020-10-26 19:41:42,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-26 19:41:42,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 19:41:42,140 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-26 19:41:42,141 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-26 19:41:42,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-26 19:41:42,141 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-26 19:41:42,141 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-26 19:41:42,141 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-26 19:41:42,142 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-26 19:41:42,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 19:41:42,142 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-26 19:41:42,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-26 19:41:42,143 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-26 19:41:42,143 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-26 19:41:42,143 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-26 19:41:42,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-26 19:41:42,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-26 19:41:42,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-26 19:41:42,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-26 19:41:42,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-26 19:41:42,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 19:41:42,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 19:41:42,738 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 19:41:42,738 INFO L298 CfgBuilder]: Removed 3 assume(true) statements. [2020-10-26 19:41:42,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:41:42 BoogieIcfgContainer [2020-10-26 19:41:42,742 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 19:41:42,746 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-26 19:41:42,746 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-26 19:41:42,750 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-26 19:41:42,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 07:41:41" (1/3) ... [2020-10-26 19:41:42,752 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23165c2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:41:42, skipping insertion in model container [2020-10-26 19:41:42,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:41:41" (2/3) ... [2020-10-26 19:41:42,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23165c2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:41:42, skipping insertion in model container [2020-10-26 19:41:42,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:41:42" (3/3) ... [2020-10-26 19:41:42,756 INFO L111 eAbstractionObserver]: Analyzing ICFG s42if.c [2020-10-26 19:41:42,770 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-26 19:41:42,776 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-26 19:41:42,795 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-26 19:41:42,840 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-26 19:41:42,840 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-26 19:41:42,840 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-26 19:41:42,841 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 19:41:42,841 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 19:41:42,841 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-26 19:41:42,841 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 19:41:42,841 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-26 19:41:42,869 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2020-10-26 19:41:42,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-26 19:41:42,881 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 19:41:42,882 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] [2020-10-26 19:41:42,883 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 19:41:42,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 19:41:42,895 INFO L82 PathProgramCache]: Analyzing trace with hash 1702539242, now seen corresponding path program 1 times [2020-10-26 19:41:42,906 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 19:41:42,907 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [995022244] [2020-10-26 19:41:42,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 19:41:43,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 19:41:43,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 19:41:43,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 19:41:43,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 19:41:43,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 19:41:43,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 19:41:43,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-26 19:41:43,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-26 19:41:43,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 683 [2020-10-26 19:41:43,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 19:41:43,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-26 19:41:43,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-26 19:41:43,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-26 19:41:43,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-26 19:41:43,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 19:41:43,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 19:41:43,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 19:41:44,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 19:41:44,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 19:41:44,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 19:41:44,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-26 19:41:44,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 19:41:44,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 19:41:44,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 19:41:44,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 19:41:44,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-26 19:41:44,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-26 19:41:44,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 19:41:44,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 19:41:44,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 19:41:44,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 19:41:44,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-26 19:41:44,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 19:41:44,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-26 19:41:44,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 19:41:44,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 19:41:44,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 19:41:44,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-26 19:41:44,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-26 19:41:44,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 19:41:44,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [995022244] [2020-10-26 19:41:44,070 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 19:41:44,070 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-26 19:41:44,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870641293] [2020-10-26 19:41:44,080 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-26 19:41:44,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 19:41:44,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 19:41:44,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-26 19:41:44,102 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 5 states. [2020-10-26 19:41:44,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 19:41:44,462 INFO L93 Difference]: Finished difference Result 79 states and 106 transitions. [2020-10-26 19:41:44,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-26 19:41:44,464 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-10-26 19:41:44,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 19:41:44,474 INFO L225 Difference]: With dead ends: 79 [2020-10-26 19:41:44,474 INFO L226 Difference]: Without dead ends: 38 [2020-10-26 19:41:44,478 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-26 19:41:44,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-10-26 19:41:44,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 33. [2020-10-26 19:41:44,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-10-26 19:41:44,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 37 transitions. [2020-10-26 19:41:44,529 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 37 transitions. Word has length 24 [2020-10-26 19:41:44,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 19:41:44,530 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 37 transitions. [2020-10-26 19:41:44,530 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-26 19:41:44,530 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2020-10-26 19:41:44,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-26 19:41:44,532 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 19:41:44,532 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] [2020-10-26 19:41:44,532 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-26 19:41:44,532 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 19:41:44,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 19:41:44,533 INFO L82 PathProgramCache]: Analyzing trace with hash -856996485, now seen corresponding path program 1 times [2020-10-26 19:41:44,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 19:41:44,534 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1239827107] [2020-10-26 19:41:44,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 19:41:44,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 19:41:44,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 19:41:44,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 19:41:44,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 19:41:45,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 19:41:45,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 19:41:46,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 19:41:46,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 19:41:46,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 19:41:47,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 19:41:49,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 19:41:49,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-26 19:41:49,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-26 19:41:49,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-26 19:41:49,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 19:41:49,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-26 19:41:49,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-26 19:41:49,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-26 19:41:49,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 19:41:49,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 19:41:49,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 19:41:49,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 19:41:49,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 19:41:49,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 19:41:49,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 19:41:49,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-26 19:41:49,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 19:41:49,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 19:41:49,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 19:41:49,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 19:41:49,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 19:41:49,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-26 19:41:49,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 19:41:49,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 19:41:49,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 19:41:49,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-26 19:41:49,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 19:41:49,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-26 19:41:49,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 19:41:49,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 19:41:49,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 19:41:49,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 19:41:49,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 19:41:49,985 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 19:41:49,985 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1239827107] [2020-10-26 19:41:49,986 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 19:41:49,986 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-26 19:41:49,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702850065] [2020-10-26 19:41:49,989 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-26 19:41:49,989 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 19:41:49,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-26 19:41:49,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2020-10-26 19:41:49,998 INFO L87 Difference]: Start difference. First operand 33 states and 37 transitions. Second operand 13 states. [2020-10-26 19:41:51,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 19:41:51,137 INFO L93 Difference]: Finished difference Result 77 states and 97 transitions. [2020-10-26 19:41:51,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-26 19:41:51,138 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 32 [2020-10-26 19:41:51,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 19:41:51,144 INFO L225 Difference]: With dead ends: 77 [2020-10-26 19:41:51,144 INFO L226 Difference]: Without dead ends: 70 [2020-10-26 19:41:51,149 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=91, Invalid=371, Unknown=0, NotChecked=0, Total=462 [2020-10-26 19:41:51,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-10-26 19:41:51,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 49. [2020-10-26 19:41:51,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-10-26 19:41:51,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 60 transitions. [2020-10-26 19:41:51,182 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 60 transitions. Word has length 32 [2020-10-26 19:41:51,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 19:41:51,183 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 60 transitions. [2020-10-26 19:41:51,183 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-26 19:41:51,183 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 60 transitions. [2020-10-26 19:41:51,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-26 19:41:51,187 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 19:41:51,187 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] [2020-10-26 19:41:51,187 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-26 19:41:51,188 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 19:41:51,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 19:41:51,191 INFO L82 PathProgramCache]: Analyzing trace with hash -176938115, now seen corresponding path program 1 times [2020-10-26 19:41:51,191 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 19:41:51,192 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [294648656] [2020-10-26 19:41:51,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 19:41:51,223 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-10-26 19:41:51,224 WARN L167 FreeRefinementEngine]: Strategy FIXED_PREFERENCES was unsuccessful and could not determine trace feasibility [2020-10-26 19:41:51,224 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-26 19:41:51,233 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-26 19:41:51,259 WARN L238 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-10-26 19:41:51,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 07:41:51 BoogieIcfgContainer [2020-10-26 19:41:51,259 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-26 19:41:51,265 INFO L168 Benchmark]: Toolchain (without parser) took 9564.20 ms. Allocated memory was 164.6 MB in the beginning and 238.0 MB in the end (delta: 73.4 MB). Free memory was 139.8 MB in the beginning and 108.9 MB in the end (delta: 30.9 MB). Peak memory consumption was 105.1 MB. Max. memory is 8.0 GB. [2020-10-26 19:41:51,266 INFO L168 Benchmark]: CDTParser took 0.83 ms. Allocated memory is still 125.8 MB. Free memory is still 84.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-26 19:41:51,269 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.68 ms. Allocated memory is still 164.6 MB. Free memory was 139.0 MB in the beginning and 129.1 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-10-26 19:41:51,270 INFO L168 Benchmark]: Boogie Preprocessor took 46.71 ms. Allocated memory is still 164.6 MB. Free memory was 129.1 MB in the beginning and 127.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-10-26 19:41:51,272 INFO L168 Benchmark]: RCFGBuilder took 707.27 ms. Allocated memory is still 164.6 MB. Free memory was 127.2 MB in the beginning and 108.9 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. [2020-10-26 19:41:51,275 INFO L168 Benchmark]: TraceAbstraction took 8513.97 ms. Allocated memory was 164.6 MB in the beginning and 238.0 MB in the end (delta: 73.4 MB). Free memory was 108.4 MB in the beginning and 108.9 MB in the end (delta: -538.9 kB). Peak memory consumption was 73.7 MB. Max. memory is 8.0 GB. [2020-10-26 19:41:51,288 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.83 ms. Allocated memory is still 125.8 MB. Free memory is still 84.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 281.68 ms. Allocated memory is still 164.6 MB. Free memory was 139.0 MB in the beginning and 129.1 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 46.71 ms. Allocated memory is still 164.6 MB. Free memory was 129.1 MB in the beginning and 127.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 707.27 ms. Allocated memory is still 164.6 MB. Free memory was 127.2 MB in the beginning and 108.9 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 8513.97 ms. Allocated memory was 164.6 MB in the beginning and 238.0 MB in the end (delta: 73.4 MB). Free memory was 108.4 MB in the beginning and 108.9 MB in the end (delta: -538.9 kB). Peak memory consumption was 73.7 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