/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block 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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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 -i ../../../trunk/examples/svcomp/array-fpi/ms1f.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 23:51:17,966 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 23:51:17,970 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 23:51:18,010 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 23:51:18,010 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 23:51:18,011 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 23:51:18,013 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 23:51:18,015 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 23:51:18,016 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 23:51:18,017 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 23:51:18,018 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 23:51:18,019 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 23:51:18,019 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 23:51:18,020 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 23:51:18,022 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 23:51:18,023 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 23:51:18,023 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 23:51:18,024 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 23:51:18,026 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 23:51:18,028 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 23:51:18,029 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 23:51:18,030 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 23:51:18,031 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 23:51:18,032 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 23:51:18,034 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 23:51:18,034 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 23:51:18,035 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 23:51:18,035 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 23:51:18,036 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 23:51:18,037 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 23:51:18,037 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 23:51:18,038 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 23:51:18,039 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 23:51:18,039 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 23:51:18,040 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 23:51:18,041 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 23:51:18,041 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 23:51:18,042 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 23:51:18,042 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 23:51:18,043 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 23:51:18,043 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 23:51:18,044 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 [2020-10-13 23:51:18,066 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 23:51:18,067 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 23:51:18,068 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 23:51:18,068 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 23:51:18,068 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 23:51:18,069 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 23:51:18,069 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 23:51:18,069 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 23:51:18,069 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 23:51:18,069 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 23:51:18,069 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 23:51:18,070 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 23:51:18,070 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 23:51:18,070 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 23:51:18,070 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 23:51:18,070 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 23:51:18,071 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 23:51:18,071 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 23:51:18,071 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 23:51:18,071 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 23:51:18,071 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 23:51:18,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 23:51:18,072 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 23:51:18,072 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 23:51:18,072 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 23:51:18,073 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 23:51:18,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 23:51:18,073 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 23:51:18,073 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 23:51:18,073 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> 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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-13 23:51:18,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 23:51:18,399 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 23:51:18,403 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 23:51:18,405 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 23:51:18,406 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 23:51:18,407 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/ms1f.c [2020-10-13 23:51:18,461 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9aeb718c5/d1a0f7dc2bbb418c857b2eca236aa688/FLAGbf95660f6 [2020-10-13 23:51:18,874 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 23:51:18,875 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/ms1f.c [2020-10-13 23:51:18,882 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9aeb718c5/d1a0f7dc2bbb418c857b2eca236aa688/FLAGbf95660f6 [2020-10-13 23:51:19,227 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9aeb718c5/d1a0f7dc2bbb418c857b2eca236aa688 [2020-10-13 23:51:19,237 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 23:51:19,239 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 23:51:19,240 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 23:51:19,241 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 23:51:19,244 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 23:51:19,245 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:51:19" (1/1) ... [2020-10-13 23:51:19,249 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d52471a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:51:19, skipping insertion in model container [2020-10-13 23:51:19,249 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:51:19" (1/1) ... [2020-10-13 23:51:19,257 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 23:51:19,275 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 23:51:19,465 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 23:51:19,476 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 23:51:19,498 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 23:51:19,515 INFO L208 MainTranslator]: Completed translation [2020-10-13 23:51:19,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:51:19 WrapperNode [2020-10-13 23:51:19,516 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 23:51:19,517 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 23:51:19,517 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 23:51:19,518 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 23:51:19,655 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:51:19" (1/1) ... [2020-10-13 23:51:19,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:51:19" (1/1) ... [2020-10-13 23:51:19,665 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:51:19" (1/1) ... [2020-10-13 23:51:19,665 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:51:19" (1/1) ... [2020-10-13 23:51:19,685 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:51:19" (1/1) ... [2020-10-13 23:51:19,691 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:51:19" (1/1) ... [2020-10-13 23:51:19,697 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:51:19" (1/1) ... [2020-10-13 23:51:19,701 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 23:51:19,702 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 23:51:19,702 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 23:51:19,702 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 23:51:19,703 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:51:19" (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 [2020-10-13 23:51:19,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 23:51:19,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 23:51:19,771 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-13 23:51:19,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-13 23:51:19,771 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 23:51:19,772 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 23:51:19,773 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-13 23:51:19,773 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-13 23:51:19,774 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-13 23:51:19,774 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 23:51:19,774 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 23:51:19,774 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 23:51:19,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 23:51:19,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 23:51:19,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 23:51:19,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 23:51:19,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 23:51:19,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 23:51:19,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 23:51:20,046 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 23:51:20,047 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-13 23:51:20,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:51:20 BoogieIcfgContainer [2020-10-13 23:51:20,051 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 23:51:20,053 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 23:51:20,053 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 23:51:20,056 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 23:51:20,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:51:19" (1/3) ... [2020-10-13 23:51:20,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c1f9130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:51:20, skipping insertion in model container [2020-10-13 23:51:20,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:51:19" (2/3) ... [2020-10-13 23:51:20,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c1f9130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:51:20, skipping insertion in model container [2020-10-13 23:51:20,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:51:20" (3/3) ... [2020-10-13 23:51:20,061 INFO L109 eAbstractionObserver]: Analyzing ICFG ms1f.c [2020-10-13 23:51:20,073 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 23:51:20,081 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 23:51:20,096 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 23:51:20,123 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 23:51:20,123 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 23:51:20,123 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 23:51:20,123 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 23:51:20,123 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 23:51:20,124 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 23:51:20,124 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 23:51:20,124 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 23:51:20,144 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states. [2020-10-13 23:51:20,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-13 23:51:20,151 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 23:51:20,152 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] [2020-10-13 23:51:20,152 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 23:51:20,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 23:51:20,162 INFO L82 PathProgramCache]: Analyzing trace with hash -432131487, now seen corresponding path program 1 times [2020-10-13 23:51:20,171 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 23:51:20,172 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [766229836] [2020-10-13 23:51:20,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 23:51:20,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:51:20,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:51:20,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:51:20,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:51:20,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:51:20,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 23:51:20,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 23:51:20,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 545 [2020-10-13 23:51:20,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-13 23:51:20,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-13 23:51:20,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:51:20,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 23:51:20,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:51:20,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-13 23:51:20,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 23:51:20,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:51:20,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:51:20,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:51:20,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:51:20,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:51:20,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 23:51:20,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-13 23:51:20,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-13 23:51:20,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:51:20,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:51:20,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:51:20,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 23:51:20,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 23:51:20,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:51:20,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:51:20,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:51:20,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:51:20,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:51:20,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 23:51:20,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-13 23:51:20,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-13 23:51:20,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:51:20,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-13 23:51:20,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:51:20,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 23:51:20,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 23:51:20,958 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [766229836] [2020-10-13 23:51:20,960 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 23:51:20,960 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 23:51:20,961 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199984746] [2020-10-13 23:51:20,967 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 23:51:20,967 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 23:51:20,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 23:51:20,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 23:51:20,980 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 3 states. [2020-10-13 23:51:21,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 23:51:21,074 INFO L93 Difference]: Finished difference Result 54 states and 67 transitions. [2020-10-13 23:51:21,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 23:51:21,076 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2020-10-13 23:51:21,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 23:51:21,085 INFO L225 Difference]: With dead ends: 54 [2020-10-13 23:51:21,085 INFO L226 Difference]: Without dead ends: 25 [2020-10-13 23:51:21,089 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 23:51:21,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-10-13 23:51:21,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2020-10-13 23:51:21,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-10-13 23:51:21,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions. [2020-10-13 23:51:21,131 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 27 transitions. Word has length 21 [2020-10-13 23:51:21,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 23:51:21,132 INFO L479 AbstractCegarLoop]: Abstraction has 25 states and 27 transitions. [2020-10-13 23:51:21,132 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 23:51:21,132 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2020-10-13 23:51:21,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-13 23:51:21,133 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 23:51:21,134 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] [2020-10-13 23:51:21,134 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 23:51:21,134 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 23:51:21,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 23:51:21,135 INFO L82 PathProgramCache]: Analyzing trace with hash -173966049, now seen corresponding path program 1 times [2020-10-13 23:51:21,135 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 23:51:21,136 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [713462789] [2020-10-13 23:51:21,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 23:51:21,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:51:21,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:51:21,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:51:21,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:51:21,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 23:51:21,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 23:51:21,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 210 [2020-10-13 23:51:21,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-13 23:51:21,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-13 23:51:21,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 23:51:21,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 23:51:21,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 23:51:21,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 23:51:21,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 23:51:21,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:51:21,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:51:21,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:51:21,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:51:21,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:51:21,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 23:51:21,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-13 23:51:21,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-13 23:51:21,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:51:21,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:51:21,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:51:21,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 23:51:21,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 23:51:21,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:51:21,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:51:21,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:51:21,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:51:21,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:51:21,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 23:51:21,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-13 23:51:21,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-13 23:51:21,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 23:51:21,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:51:21,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 23:51:21,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 23:51:21,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 23:51:21,431 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [713462789] [2020-10-13 23:51:21,431 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 23:51:21,432 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 23:51:21,432 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611923829] [2020-10-13 23:51:21,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 23:51:21,437 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 23:51:21,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 23:51:21,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-13 23:51:21,438 INFO L87 Difference]: Start difference. First operand 25 states and 27 transitions. Second operand 5 states. [2020-10-13 23:51:21,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 23:51:21,550 INFO L93 Difference]: Finished difference Result 37 states and 42 transitions. [2020-10-13 23:51:21,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-13 23:51:21,551 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2020-10-13 23:51:21,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 23:51:21,552 INFO L225 Difference]: With dead ends: 37 [2020-10-13 23:51:21,553 INFO L226 Difference]: Without dead ends: 27 [2020-10-13 23:51:21,554 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-13 23:51:21,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-10-13 23:51:21,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-10-13 23:51:21,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-10-13 23:51:21,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 29 transitions. [2020-10-13 23:51:21,562 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 29 transitions. Word has length 21 [2020-10-13 23:51:21,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 23:51:21,562 INFO L479 AbstractCegarLoop]: Abstraction has 27 states and 29 transitions. [2020-10-13 23:51:21,562 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 23:51:21,563 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2020-10-13 23:51:21,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-13 23:51:21,564 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 23:51:21,564 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] [2020-10-13 23:51:21,564 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 23:51:21,565 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 23:51:21,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 23:51:21,565 INFO L82 PathProgramCache]: Analyzing trace with hash -445719797, now seen corresponding path program 1 times [2020-10-13 23:51:21,565 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 23:51:21,566 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1285933174] [2020-10-13 23:51:21,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 23:51:21,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-13 23:51:21,581 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-13 23:51:21,582 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-13 23:51:21,586 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 23:51:21,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 11:51:21 BoogieIcfgContainer [2020-10-13 23:51:21,604 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 23:51:21,607 INFO L168 Benchmark]: Toolchain (without parser) took 2367.34 ms. Allocated memory was 146.3 MB in the beginning and 234.9 MB in the end (delta: 88.6 MB). Free memory was 103.3 MB in the beginning and 175.9 MB in the end (delta: -72.6 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2020-10-13 23:51:21,608 INFO L168 Benchmark]: CDTParser took 0.19 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: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-10-13 23:51:21,609 INFO L168 Benchmark]: CACSL2BoogieTranslator took 276.39 ms. Allocated memory is still 146.3 MB. Free memory was 103.0 MB in the beginning and 92.2 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2020-10-13 23:51:21,610 INFO L168 Benchmark]: Boogie Preprocessor took 183.79 ms. Allocated memory was 146.3 MB in the beginning and 205.5 MB in the end (delta: 59.2 MB). Free memory was 92.2 MB in the beginning and 183.4 MB in the end (delta: -91.3 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2020-10-13 23:51:21,611 INFO L168 Benchmark]: RCFGBuilder took 349.75 ms. Allocated memory is still 205.5 MB. Free memory was 183.4 MB in the beginning and 166.4 MB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 7.1 GB. [2020-10-13 23:51:21,612 INFO L168 Benchmark]: TraceAbstraction took 1551.42 ms. Allocated memory was 205.5 MB in the beginning and 234.9 MB in the end (delta: 29.4 MB). Free memory was 165.7 MB in the beginning and 175.9 MB in the end (delta: -10.1 MB). Peak memory consumption was 19.2 MB. Max. memory is 7.1 GB. [2020-10-13 23:51:21,617 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 276.39 ms. Allocated memory is still 146.3 MB. Free memory was 103.0 MB in the beginning and 92.2 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 183.79 ms. Allocated memory was 146.3 MB in the beginning and 205.5 MB in the end (delta: 59.2 MB). Free memory was 92.2 MB in the beginning and 183.4 MB in the end (delta: -91.3 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 349.75 ms. Allocated memory is still 205.5 MB. Free memory was 183.4 MB in the beginning and 166.4 MB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1551.42 ms. Allocated memory was 205.5 MB in the beginning and 234.9 MB in the end (delta: 29.4 MB). Free memory was 165.7 MB in the beginning and 175.9 MB in the end (delta: -10.1 MB). Peak memory consumption was 19.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 13]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L17] int N; [L21] N = __VERIFIER_nondet_int() [L22] COND FALSE !(N <= 0) [L23] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L11] COND FALSE !(!cond) [L23] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L25] int i; [L26] int sum[1]; [L27] int *a = malloc(sizeof(int)*N); [L29] i=0 [L29] COND TRUE i