/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 SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/array-fpi/indp1f.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 19:33:08,019 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 19:33:08,023 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 19:33:08,048 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 19:33:08,049 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 19:33:08,050 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 19:33:08,051 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 19:33:08,053 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 19:33:08,059 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 19:33:08,060 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 19:33:08,061 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 19:33:08,065 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 19:33:08,065 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 19:33:08,066 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 19:33:08,067 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 19:33:08,068 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 19:33:08,069 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 19:33:08,070 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 19:33:08,072 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 19:33:08,074 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 19:33:08,075 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 19:33:08,076 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 19:33:08,078 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 19:33:08,078 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 19:33:08,081 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 19:33:08,081 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 19:33:08,081 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 19:33:08,082 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 19:33:08,083 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 19:33:08,084 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 19:33:08,084 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 19:33:08,085 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 19:33:08,086 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 19:33:08,087 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 19:33:08,089 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 19:33:08,089 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 19:33:08,090 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 19:33:08,090 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 19:33:08,090 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 19:33:08,091 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 19:33:08,092 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 19:33:08,093 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 19:33:08,120 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 19:33:08,121 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 19:33:08,122 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 19:33:08,122 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 19:33:08,122 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 19:33:08,122 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 19:33:08,123 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 19:33:08,123 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 19:33:08,123 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 19:33:08,123 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 19:33:08,123 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 19:33:08,124 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 19:33:08,124 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 19:33:08,124 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 19:33:08,124 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 19:33:08,125 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 19:33:08,125 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 19:33:08,125 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 19:33:08,125 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 19:33:08,125 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 19:33:08,126 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 19:33:08,126 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 19:33:08,126 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 19:33:08,126 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 19:33:08,126 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 19:33:08,127 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 19:33:08,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 19:33:08,127 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 19:33:08,127 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 19:33:08,127 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 -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-24 19:33:08,630 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 19:33:08,648 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 19:33:08,655 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 19:33:08,658 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 19:33:08,658 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 19:33:08,660 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/indp1f.c [2020-09-24 19:33:08,741 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4d1b8b346/9f9f8d40573d48f591a4618650b5656f/FLAG90dea20c4 [2020-09-24 19:33:09,250 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 19:33:09,251 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/indp1f.c [2020-09-24 19:33:09,261 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4d1b8b346/9f9f8d40573d48f591a4618650b5656f/FLAG90dea20c4 [2020-09-24 19:33:09,585 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4d1b8b346/9f9f8d40573d48f591a4618650b5656f [2020-09-24 19:33:09,602 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 19:33:09,611 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 19:33:09,614 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 19:33:09,615 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 19:33:09,619 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 19:33:09,620 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 07:33:09" (1/1) ... [2020-09-24 19:33:09,625 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fc4fd3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:33:09, skipping insertion in model container [2020-09-24 19:33:09,626 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 07:33:09" (1/1) ... [2020-09-24 19:33:09,637 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 19:33:09,664 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 19:33:09,944 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 19:33:09,956 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 19:33:09,979 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 19:33:09,997 INFO L208 MainTranslator]: Completed translation [2020-09-24 19:33:09,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:33:09 WrapperNode [2020-09-24 19:33:09,998 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 19:33:09,999 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 19:33:09,999 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 19:33:09,999 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 19:33:10,013 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:33:09" (1/1) ... [2020-09-24 19:33:10,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:33:09" (1/1) ... [2020-09-24 19:33:10,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:33:09" (1/1) ... [2020-09-24 19:33:10,108 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:33:09" (1/1) ... [2020-09-24 19:33:10,129 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:33:09" (1/1) ... [2020-09-24 19:33:10,138 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:33:09" (1/1) ... [2020-09-24 19:33:10,140 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:33:09" (1/1) ... [2020-09-24 19:33:10,143 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 19:33:10,143 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 19:33:10,143 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 19:33:10,144 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 19:33:10,145 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:33:09" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 19:33:10,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 19:33:10,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 19:33:10,219 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 19:33:10,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-24 19:33:10,220 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 19:33:10,220 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 19:33:10,220 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 19:33:10,220 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 19:33:10,220 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-24 19:33:10,221 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 19:33:10,221 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 19:33:10,221 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 19:33:10,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 19:33:10,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 19:33:10,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 19:33:10,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 19:33:10,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 19:33:10,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 19:33:10,568 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 19:33:10,568 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-24 19:33:10,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 07:33:10 BoogieIcfgContainer [2020-09-24 19:33:10,574 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 19:33:10,575 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 19:33:10,575 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 19:33:10,579 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 19:33:10,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 07:33:09" (1/3) ... [2020-09-24 19:33:10,580 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40e25ef9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 07:33:10, skipping insertion in model container [2020-09-24 19:33:10,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:33:09" (2/3) ... [2020-09-24 19:33:10,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40e25ef9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 07:33:10, skipping insertion in model container [2020-09-24 19:33:10,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 07:33:10" (3/3) ... [2020-09-24 19:33:10,583 INFO L109 eAbstractionObserver]: Analyzing ICFG indp1f.c [2020-09-24 19:33:10,596 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 19:33:10,606 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 19:33:10,630 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 19:33:10,658 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 19:33:10,658 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 19:33:10,658 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 19:33:10,659 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 19:33:10,659 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 19:33:10,659 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 19:33:10,659 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 19:33:10,659 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 19:33:10,681 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states. [2020-09-24 19:33:10,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-24 19:33:10,689 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:33:10,691 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, 1] [2020-09-24 19:33:10,691 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:33:10,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:33:10,698 INFO L82 PathProgramCache]: Analyzing trace with hash -1846170158, now seen corresponding path program 1 times [2020-09-24 19:33:10,707 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:33:10,708 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [761903282] [2020-09-24 19:33:10,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:33:10,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:33:10,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:10,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:10,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:11,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:33:11,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 19:33:11,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 19:33:11,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 260 [2020-09-24 19:33:11,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:33:11,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:33:11,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 19:33:11,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:33:11,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 19:33:11,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:33:11,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:33:11,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:11,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:33:11,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:33:11,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:33:11,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 19:33:11,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:33:11,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:33:11,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:33:11,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:33:11,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:33:11,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 19:33:11,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:33:11,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:11,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:33:11,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:33:11,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:33:11,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:33:11,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:33:11,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:33:11,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:33:11,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:33:11,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:33:11,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 19:33:11,246 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [761903282] [2020-09-24 19:33:11,250 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:33:11,251 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 19:33:11,252 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048857704] [2020-09-24 19:33:11,259 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 19:33:11,260 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:33:11,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 19:33:11,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 19:33:11,283 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 3 states. [2020-09-24 19:33:11,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:33:11,452 INFO L93 Difference]: Finished difference Result 109 states and 128 transitions. [2020-09-24 19:33:11,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 19:33:11,455 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-09-24 19:33:11,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:33:11,467 INFO L225 Difference]: With dead ends: 109 [2020-09-24 19:33:11,467 INFO L226 Difference]: Without dead ends: 56 [2020-09-24 19:33:11,472 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 19:33:11,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-09-24 19:33:11,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2020-09-24 19:33:11,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-09-24 19:33:11,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 59 transitions. [2020-09-24 19:33:11,528 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 59 transitions. Word has length 33 [2020-09-24 19:33:11,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:33:11,529 INFO L479 AbstractCegarLoop]: Abstraction has 56 states and 59 transitions. [2020-09-24 19:33:11,529 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 19:33:11,529 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 59 transitions. [2020-09-24 19:33:11,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-24 19:33:11,531 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:33:11,531 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, 1] [2020-09-24 19:33:11,532 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 19:33:11,532 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:33:11,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:33:11,533 INFO L82 PathProgramCache]: Analyzing trace with hash 1457656721, now seen corresponding path program 1 times [2020-09-24 19:33:11,533 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:33:11,533 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [104711013] [2020-09-24 19:33:11,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:33:11,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:33:11,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:11,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:11,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:11,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:12,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:12,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:12,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:33:12,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 19:33:12,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-24 19:33:12,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1003 [2020-09-24 19:33:12,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:33:12,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 19:33:12,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 19:33:12,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 19:33:12,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:33:12,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:33:12,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:33:12,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:12,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:33:12,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:33:12,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:33:12,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 19:33:12,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:33:12,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:33:12,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:33:12,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:33:12,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:33:12,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 19:33:12,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:33:12,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:12,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:33:12,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:33:12,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:33:12,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 19:33:12,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:33:12,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:33:12,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:33:12,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 19:33:12,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 19:33:12,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 19:33:12,691 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [104711013] [2020-09-24 19:33:12,692 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:33:12,692 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 19:33:12,692 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686717479] [2020-09-24 19:33:12,695 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 19:33:12,696 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:33:12,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 19:33:12,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-24 19:33:12,697 INFO L87 Difference]: Start difference. First operand 56 states and 59 transitions. Second operand 5 states. [2020-09-24 19:33:12,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:33:12,961 INFO L93 Difference]: Finished difference Result 90 states and 98 transitions. [2020-09-24 19:33:12,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-24 19:33:12,962 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-09-24 19:33:12,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:33:12,964 INFO L225 Difference]: With dead ends: 90 [2020-09-24 19:33:12,964 INFO L226 Difference]: Without dead ends: 60 [2020-09-24 19:33:12,968 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 [2020-09-24 19:33:12,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-09-24 19:33:12,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 59. [2020-09-24 19:33:12,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-09-24 19:33:12,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 62 transitions. [2020-09-24 19:33:12,989 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 62 transitions. Word has length 33 [2020-09-24 19:33:12,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:33:12,990 INFO L479 AbstractCegarLoop]: Abstraction has 59 states and 62 transitions. [2020-09-24 19:33:12,990 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 19:33:12,990 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 62 transitions. [2020-09-24 19:33:12,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-24 19:33:12,996 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:33:12,997 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:33:12,997 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 19:33:12,998 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:33:12,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:33:12,999 INFO L82 PathProgramCache]: Analyzing trace with hash 1203755678, now seen corresponding path program 1 times [2020-09-24 19:33:13,000 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:33:13,000 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1804817830] [2020-09-24 19:33:13,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:33:13,018 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-09-24 19:33:13,019 WARN L168 FreeRefinementEngine]: Strategy FIXED_PREFERENCES was unsuccessful and could not determine trace feasibility [2020-09-24 19:33:13,019 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-24 19:33:13,026 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 19:33:13,058 WARN L231 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-09-24 19:33:13,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 07:33:13 BoogieIcfgContainer [2020-09-24 19:33:13,060 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 19:33:13,067 INFO L168 Benchmark]: Toolchain (without parser) took 3458.58 ms. Allocated memory was 144.2 MB in the beginning and 228.1 MB in the end (delta: 83.9 MB). Free memory was 100.3 MB in the beginning and 131.9 MB in the end (delta: -31.6 MB). Peak memory consumption was 52.3 MB. Max. memory is 7.1 GB. [2020-09-24 19:33:13,069 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 144.2 MB. Free memory was 118.7 MB in the beginning and 118.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-24 19:33:13,070 INFO L168 Benchmark]: CACSL2BoogieTranslator took 383.87 ms. Allocated memory is still 144.2 MB. Free memory was 99.6 MB in the beginning and 89.0 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2020-09-24 19:33:13,072 INFO L168 Benchmark]: Boogie Preprocessor took 144.20 ms. Allocated memory was 144.2 MB in the beginning and 199.2 MB in the end (delta: 55.1 MB). Free memory was 89.0 MB in the beginning and 176.9 MB in the end (delta: -87.9 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2020-09-24 19:33:13,073 INFO L168 Benchmark]: RCFGBuilder took 430.67 ms. Allocated memory is still 199.2 MB. Free memory was 176.9 MB in the beginning and 157.8 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. [2020-09-24 19:33:13,076 INFO L168 Benchmark]: TraceAbstraction took 2485.34 ms. Allocated memory was 199.2 MB in the beginning and 228.1 MB in the end (delta: 28.8 MB). Free memory was 157.2 MB in the beginning and 131.9 MB in the end (delta: 25.3 MB). Peak memory consumption was 54.1 MB. Max. memory is 7.1 GB. [2020-09-24 19:33:13,089 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 144.2 MB. Free memory was 118.7 MB in the beginning and 118.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 383.87 ms. Allocated memory is still 144.2 MB. Free memory was 99.6 MB in the beginning and 89.0 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 144.20 ms. Allocated memory was 144.2 MB in the beginning and 199.2 MB in the end (delta: 55.1 MB). Free memory was 89.0 MB in the beginning and 176.9 MB in the end (delta: -87.9 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 430.67 ms. Allocated memory is still 199.2 MB. Free memory was 176.9 MB in the beginning and 157.8 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2485.34 ms. Allocated memory was 199.2 MB in the beginning and 228.1 MB in the end (delta: 28.8 MB). Free memory was 157.2 MB in the beginning and 131.9 MB in the end (delta: 25.3 MB). Peak memory consumption was 54.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 13]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L17] int N; [L21] N = __VERIFIER_nondet_int() [L22] COND FALSE !(N <= 0) [L23] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L11] COND FALSE !(!cond) [L23] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L25] int i; [L26] long long *a = malloc(sizeof(long long)*N); [L28] i=0 [L28] COND TRUE i