/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=BIGGEST --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/condaf.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 10:07:55,057 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 10:07:55,059 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 10:07:55,083 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 10:07:55,084 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 10:07:55,085 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 10:07:55,086 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 10:07:55,088 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 10:07:55,089 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 10:07:55,090 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 10:07:55,091 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 10:07:55,092 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 10:07:55,092 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 10:07:55,093 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 10:07:55,094 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 10:07:55,095 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 10:07:55,096 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 10:07:55,097 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 10:07:55,099 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 10:07:55,100 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 10:07:55,102 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 10:07:55,103 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 10:07:55,104 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 10:07:55,105 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 10:07:55,107 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 10:07:55,108 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 10:07:55,108 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 10:07:55,109 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 10:07:55,109 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 10:07:55,110 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 10:07:55,110 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 10:07:55,111 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 10:07:55,112 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 10:07:55,113 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 10:07:55,113 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 10:07:55,114 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 10:07:55,114 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 10:07:55,115 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 10:07:55,115 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 10:07:55,116 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 10:07:55,116 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 10:07:55,117 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 [2020-10-12 10:07:55,140 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 10:07:55,141 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 10:07:55,142 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 10:07:55,142 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 10:07:55,142 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 10:07:55,142 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 10:07:55,143 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 10:07:55,143 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 10:07:55,143 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 10:07:55,143 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 10:07:55,143 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 10:07:55,143 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 10:07:55,144 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 10:07:55,144 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 10:07:55,144 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 10:07:55,144 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 10:07:55,144 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 10:07:55,145 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 10:07:55,145 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 10:07:55,145 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 10:07:55,145 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 10:07:55,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 10:07:55,146 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 10:07:55,146 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 10:07:55,146 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 10:07:55,146 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 10:07:55,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 10:07:55,147 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 10:07:55,147 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 10:07:55,147 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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 10:07:55,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 10:07:55,437 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 10:07:55,440 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 10:07:55,442 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 10:07:55,442 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 10:07:55,443 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/condaf.c [2020-10-12 10:07:55,517 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d0c7315e2/80148025732348d4b10aaf2b9b929046/FLAG157cd01b3 [2020-10-12 10:07:55,996 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 10:07:55,997 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/condaf.c [2020-10-12 10:07:56,002 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d0c7315e2/80148025732348d4b10aaf2b9b929046/FLAG157cd01b3 [2020-10-12 10:07:56,350 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d0c7315e2/80148025732348d4b10aaf2b9b929046 [2020-10-12 10:07:56,361 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 10:07:56,363 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 10:07:56,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 10:07:56,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 10:07:56,368 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 10:07:56,369 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 10:07:56" (1/1) ... [2020-10-12 10:07:56,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cb7919e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:07:56, skipping insertion in model container [2020-10-12 10:07:56,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 10:07:56" (1/1) ... [2020-10-12 10:07:56,380 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 10:07:56,401 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 10:07:56,582 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 10:07:56,592 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 10:07:56,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 10:07:56,631 INFO L208 MainTranslator]: Completed translation [2020-10-12 10:07:56,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:07:56 WrapperNode [2020-10-12 10:07:56,632 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 10:07:56,632 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 10:07:56,633 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 10:07:56,633 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 10:07:56,727 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:07:56" (1/1) ... [2020-10-12 10:07:56,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:07:56" (1/1) ... [2020-10-12 10:07:56,736 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:07:56" (1/1) ... [2020-10-12 10:07:56,736 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:07:56" (1/1) ... [2020-10-12 10:07:56,745 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:07:56" (1/1) ... [2020-10-12 10:07:56,751 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:07:56" (1/1) ... [2020-10-12 10:07:56,753 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:07:56" (1/1) ... [2020-10-12 10:07:56,755 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 10:07:56,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 10:07:56,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 10:07:56,756 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 10:07:56,757 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:07:56" (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 [2020-10-12 10:07:56,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 10:07:56,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 10:07:56,810 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-12 10:07:56,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-12 10:07:56,810 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 10:07:56,810 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 10:07:56,811 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-12 10:07:56,811 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-12 10:07:56,811 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-12 10:07:56,811 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 10:07:56,811 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 10:07:56,811 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 10:07:56,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 10:07:56,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 10:07:56,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 10:07:56,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 10:07:56,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 10:07:56,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 10:07:56,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 10:07:57,077 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 10:07:57,077 INFO L295 CfgBuilder]: Removed 3 assume(true) statements. [2020-10-12 10:07:57,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:07:57 BoogieIcfgContainer [2020-10-12 10:07:57,081 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 10:07:57,083 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 10:07:57,083 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 10:07:57,086 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 10:07:57,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 10:07:56" (1/3) ... [2020-10-12 10:07:57,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13cac77b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 10:07:57, skipping insertion in model container [2020-10-12 10:07:57,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:07:56" (2/3) ... [2020-10-12 10:07:57,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13cac77b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 10:07:57, skipping insertion in model container [2020-10-12 10:07:57,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:07:57" (3/3) ... [2020-10-12 10:07:57,090 INFO L109 eAbstractionObserver]: Analyzing ICFG condaf.c [2020-10-12 10:07:57,105 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 10:07:57,114 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 10:07:57,131 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 10:07:57,163 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 10:07:57,163 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 10:07:57,163 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 10:07:57,164 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 10:07:57,164 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 10:07:57,164 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 10:07:57,164 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 10:07:57,164 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 10:07:57,188 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states. [2020-10-12 10:07:57,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-12 10:07:57,196 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:07:57,197 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] [2020-10-12 10:07:57,197 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:07:57,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:07:57,204 INFO L82 PathProgramCache]: Analyzing trace with hash -88121349, now seen corresponding path program 1 times [2020-10-12 10:07:57,215 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:07:57,215 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1939352798] [2020-10-12 10:07:57,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:07:57,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:57,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:57,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:57,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:57,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:58,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:58,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 10:07:58,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 10:07:58,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1038 [2020-10-12 10:07:58,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:58,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 10:07:58,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 10:07:58,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 10:07:58,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 10:07:58,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:07:58,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:58,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:58,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:58,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:07:58,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:58,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 10:07:58,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:58,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:07:58,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:58,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:07:58,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:07:58,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 10:07:58,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:58,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:58,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:58,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:58,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:58,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:07:58,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 10:07:58,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:58,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:58,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:58,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:58,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:07:58,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 10:07:58,523 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1939352798] [2020-10-12 10:07:58,525 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 10:07:58,526 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 10:07:58,527 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253214306] [2020-10-12 10:07:58,532 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 10:07:58,532 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:07:58,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 10:07:58,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-12 10:07:58,550 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 5 states. [2020-10-12 10:07:58,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:07:58,728 INFO L93 Difference]: Finished difference Result 67 states and 89 transitions. [2020-10-12 10:07:58,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 10:07:58,731 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-10-12 10:07:58,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:07:58,739 INFO L225 Difference]: With dead ends: 67 [2020-10-12 10:07:58,740 INFO L226 Difference]: Without dead ends: 31 [2020-10-12 10:07:58,743 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 [2020-10-12 10:07:58,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-10-12 10:07:58,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-10-12 10:07:58,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-10-12 10:07:58,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 34 transitions. [2020-10-12 10:07:58,785 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 34 transitions. Word has length 23 [2020-10-12 10:07:58,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:07:58,786 INFO L479 AbstractCegarLoop]: Abstraction has 31 states and 34 transitions. [2020-10-12 10:07:58,786 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 10:07:58,786 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2020-10-12 10:07:58,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-12 10:07:58,787 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:07:58,787 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:07:58,788 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 10:07:58,788 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:07:58,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:07:58,788 INFO L82 PathProgramCache]: Analyzing trace with hash 188437731, now seen corresponding path program 1 times [2020-10-12 10:07:58,789 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:07:58,789 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [222711738] [2020-10-12 10:07:58,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:07:58,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:58,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:58,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:58,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:59,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:00,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:00,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:00,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:00,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:00,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:02,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:02,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 10:08:02,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-12 10:08:02,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3536 [2020-10-12 10:08:02,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:02,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 10:08:02,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-12 10:08:02,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 10:08:02,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:03,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:08:03,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:03,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:03,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:03,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:08:03,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:03,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:08:03,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:03,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:08:03,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:03,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:08:03,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:08:03,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 10:08:03,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:03,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:03,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:03,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:03,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:03,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:08:03,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:03,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:08:03,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:03,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:08:03,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:08:03,036 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 10:08:03,037 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [222711738] [2020-10-12 10:08:03,037 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:08:03,038 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-12 10:08:03,038 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723915097] [2020-10-12 10:08:03,040 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-12 10:08:03,040 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:08:03,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-12 10:08:03,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2020-10-12 10:08:03,042 INFO L87 Difference]: Start difference. First operand 31 states and 34 transitions. Second operand 15 states. [2020-10-12 10:08:03,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:08:03,957 INFO L93 Difference]: Finished difference Result 51 states and 58 transitions. [2020-10-12 10:08:03,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-12 10:08:03,958 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 30 [2020-10-12 10:08:03,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:08:03,961 INFO L225 Difference]: With dead ends: 51 [2020-10-12 10:08:03,961 INFO L226 Difference]: Without dead ends: 45 [2020-10-12 10:08:03,963 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=82, Invalid=424, Unknown=0, NotChecked=0, Total=506 [2020-10-12 10:08:03,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-12 10:08:03,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 41. [2020-10-12 10:08:03,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-10-12 10:08:03,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 47 transitions. [2020-10-12 10:08:03,973 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 47 transitions. Word has length 30 [2020-10-12 10:08:03,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:08:03,973 INFO L479 AbstractCegarLoop]: Abstraction has 41 states and 47 transitions. [2020-10-12 10:08:03,973 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-12 10:08:03,974 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 47 transitions. [2020-10-12 10:08:03,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-12 10:08:03,975 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:08:03,975 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:08:03,975 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 10:08:03,976 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:08:03,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:08:03,976 INFO L82 PathProgramCache]: Analyzing trace with hash 446603169, now seen corresponding path program 1 times [2020-10-12 10:08:03,976 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:08:03,977 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1774334499] [2020-10-12 10:08:03,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:08:03,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-12 10:08:03,991 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-12 10:08:03,992 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-12 10:08:03,996 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 10:08:04,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 10:08:04 BoogieIcfgContainer [2020-10-12 10:08:04,015 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 10:08:04,018 INFO L168 Benchmark]: Toolchain (without parser) took 7653.79 ms. Allocated memory was 140.0 MB in the beginning and 301.5 MB in the end (delta: 161.5 MB). Free memory was 103.1 MB in the beginning and 253.0 MB in the end (delta: -150.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2020-10-12 10:08:04,019 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-10-12 10:08:04,020 INFO L168 Benchmark]: CACSL2BoogieTranslator took 267.53 ms. Allocated memory is still 140.0 MB. Free memory was 102.9 MB in the beginning and 92.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2020-10-12 10:08:04,021 INFO L168 Benchmark]: Boogie Preprocessor took 122.80 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 92.2 MB in the beginning and 179.7 MB in the end (delta: -87.5 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. [2020-10-12 10:08:04,022 INFO L168 Benchmark]: RCFGBuilder took 325.97 ms. Allocated memory is still 202.4 MB. Free memory was 179.7 MB in the beginning and 161.4 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 7.1 GB. [2020-10-12 10:08:04,023 INFO L168 Benchmark]: TraceAbstraction took 6932.08 ms. Allocated memory was 202.4 MB in the beginning and 301.5 MB in the end (delta: 99.1 MB). Free memory was 161.4 MB in the beginning and 253.0 MB in the end (delta: -91.6 MB). Peak memory consumption was 7.5 MB. Max. memory is 7.1 GB. [2020-10-12 10:08:04,027 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 267.53 ms. Allocated memory is still 140.0 MB. Free memory was 102.9 MB in the beginning and 92.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.80 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 92.2 MB in the beginning and 179.7 MB in the end (delta: -87.5 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 325.97 ms. Allocated memory is still 202.4 MB. Free memory was 179.7 MB in the beginning and 161.4 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6932.08 ms. Allocated memory was 202.4 MB in the beginning and 301.5 MB in the end (delta: 99.1 MB). Free memory was 161.4 MB in the beginning and 253.0 MB in the end (delta: -91.6 MB). Peak memory consumption was 7.5 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] sum[0] = 0 [L30] i=0 [L30] COND TRUE i