/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 --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 interpolation-heuristic=FIRST --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/indp5f.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:30:31,469 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:30:31,474 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:30:31,517 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:30:31,519 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:30:31,528 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:30:31,530 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:30:31,534 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:30:31,537 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:30:31,541 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:30:31,542 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:30:31,543 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:30:31,544 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:30:31,547 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:30:31,550 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:30:31,552 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:30:31,554 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:30:31,555 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:30:31,557 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:30:31,566 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:30:31,568 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:30:31,570 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:30:31,571 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:30:31,572 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:30:31,590 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:30:31,591 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:30:31,591 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:30:31,592 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:30:31,593 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:30:31,594 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:30:31,594 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:30:31,598 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:30:31,599 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:30:31,599 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:30:31,600 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:30:31,601 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:30:31,601 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:30:31,602 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:30:31,602 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:30:31,603 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:30:31,604 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:30:31,606 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 [2020-09-21 11:30:31,648 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:30:31,648 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:30:31,651 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:30:31,651 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:30:31,651 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:30:31,651 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:30:31,652 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:30:31,652 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:30:31,652 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:30:31,652 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:30:31,654 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:30:31,654 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:30:31,654 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:30:31,655 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:30:31,655 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:30:31,655 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:30:31,655 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:30:31,655 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:30:31,656 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:30:31,656 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:30:31,656 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:30:31,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:30:31,656 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:30:31,657 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:30:31,657 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:30:31,657 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:30:31,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:30:31,657 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:30:31,658 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:30:31,658 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.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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:30:32,157 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:30:32,186 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:30:32,193 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:30:32,195 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:30:32,196 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:30:32,197 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/indp5f.c [2020-09-21 11:30:32,291 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fef2a51fb/50e969cc7da443aa81a37f8c71af2c28/FLAGa751437f6 [2020-09-21 11:30:32,837 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:30:32,838 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/indp5f.c [2020-09-21 11:30:32,847 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fef2a51fb/50e969cc7da443aa81a37f8c71af2c28/FLAGa751437f6 [2020-09-21 11:30:33,167 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fef2a51fb/50e969cc7da443aa81a37f8c71af2c28 [2020-09-21 11:30:33,179 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:30:33,184 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:30:33,188 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:30:33,188 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:30:33,193 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:30:33,194 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:30:33" (1/1) ... [2020-09-21 11:30:33,198 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5335cf9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:33, skipping insertion in model container [2020-09-21 11:30:33,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:30:33" (1/1) ... [2020-09-21 11:30:33,208 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:30:33,239 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:30:33,486 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:30:33,499 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:30:33,525 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:30:33,629 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:30:33,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:33 WrapperNode [2020-09-21 11:30:33,630 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:30:33,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:30:33,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:30:33,632 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:30:33,649 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:33" (1/1) ... [2020-09-21 11:30:33,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:33" (1/1) ... [2020-09-21 11:30:33,665 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:33" (1/1) ... [2020-09-21 11:30:33,665 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:33" (1/1) ... [2020-09-21 11:30:33,676 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:33" (1/1) ... [2020-09-21 11:30:33,683 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:33" (1/1) ... [2020-09-21 11:30:33,685 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:33" (1/1) ... [2020-09-21 11:30:33,688 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:30:33,689 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:30:33,689 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:30:33,689 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:30:33,691 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:33" (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 [2020-09-21 11:30:33,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:30:33,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:30:33,775 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-21 11:30:33,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-21 11:30:33,775 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:30:33,775 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:30:33,775 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-21 11:30:33,776 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-21 11:30:33,776 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-21 11:30:33,776 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:30:33,776 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:30:33,776 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:30:33,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:30:33,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:30:33,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:30:33,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:30:33,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:30:33,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:30:33,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:30:34,091 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:30:34,092 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:30:34,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:30:34 BoogieIcfgContainer [2020-09-21 11:30:34,098 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:30:34,099 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:30:34,099 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:30:34,103 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:30:34,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:30:33" (1/3) ... [2020-09-21 11:30:34,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45f7298b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:30:34, skipping insertion in model container [2020-09-21 11:30:34,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:33" (2/3) ... [2020-09-21 11:30:34,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45f7298b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:30:34, skipping insertion in model container [2020-09-21 11:30:34,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:30:34" (3/3) ... [2020-09-21 11:30:34,107 INFO L109 eAbstractionObserver]: Analyzing ICFG indp5f.c [2020-09-21 11:30:34,124 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:30:34,134 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:30:34,165 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:30:34,206 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:30:34,206 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:30:34,207 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:30:34,207 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:30:34,207 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:30:34,207 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:30:34,207 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:30:34,208 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:30:34,235 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2020-09-21 11:30:34,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-09-21 11:30:34,245 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:30:34,247 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:30:34,247 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:30:34,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:30:34,255 INFO L82 PathProgramCache]: Analyzing trace with hash -976607933, now seen corresponding path program 1 times [2020-09-21 11:30:34,269 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:30:34,270 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1094574255] [2020-09-21 11:30:34,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:30:34,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:30:34,445 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:30:34,445 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:30:34,445 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:30:34,446 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:30:34,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-21 11:30:34,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:30:34,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:30:34,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:30:34,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:30:34,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 11:30:34,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:30:34,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:30:34,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:30:34,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:30:34,553 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:30:34,553 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:30:34,553 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:30:34,556 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:30:34,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:30:34,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:30:34,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:30:34,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:30:34,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:30:34,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:30:34,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:30:34,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:30:34,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 11:30:34,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:30:34,571 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:30:34,571 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:30:34,571 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:30:34,572 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:30:34,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:30:34,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:30:34,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:30:34,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:30:34,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:30:34,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 11:30:34,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:30:34,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:30:34,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:30:34,588 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1094574255] [2020-09-21 11:30:34,591 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:30:34,591 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 11:30:34,593 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24290932] [2020-09-21 11:30:34,598 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 11:30:34,599 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:30:34,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 11:30:34,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:30:34,617 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 3 states. [2020-09-21 11:30:34,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:30:34,772 INFO L93 Difference]: Finished difference Result 70 states and 93 transitions. [2020-09-21 11:30:34,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 11:30:34,774 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-09-21 11:30:34,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:30:34,785 INFO L225 Difference]: With dead ends: 70 [2020-09-21 11:30:34,786 INFO L226 Difference]: Without dead ends: 33 [2020-09-21 11:30:34,790 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 [2020-09-21 11:30:34,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-09-21 11:30:34,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-09-21 11:30:34,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-09-21 11:30:34,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 37 transitions. [2020-09-21 11:30:34,841 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 37 transitions. Word has length 27 [2020-09-21 11:30:34,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:30:34,842 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 37 transitions. [2020-09-21 11:30:34,842 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 11:30:34,842 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2020-09-21 11:30:34,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-09-21 11:30:34,843 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:30:34,844 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:30:34,844 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:30:34,845 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:30:34,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:30:34,845 INFO L82 PathProgramCache]: Analyzing trace with hash -714487667, now seen corresponding path program 1 times [2020-09-21 11:30:34,846 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:30:34,846 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1135742116] [2020-09-21 11:30:34,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:30:34,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:30:34,915 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:30:34,916 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:30:34,916 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:30:34,916 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:30:34,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-21 11:30:34,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:30:34,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-21 11:30:34,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:30:34,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:30:34,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:30:34,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 11:30:34,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:30:34,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:30:34,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:30:34,995 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:30:34,998 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:30:34,998 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:30:34,998 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:30:34,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:30:34,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:30:34,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:30:34,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:30:34,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:30:35,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:30:35,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:30:35,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:30:35,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 11:30:35,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:30:35,014 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:30:35,015 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:30:35,015 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:30:35,015 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:30:35,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:30:35,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:30:35,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:30:35,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:30:35,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:30:35,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:30:35,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:30:35,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:30:35,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:30:35,023 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1135742116] [2020-09-21 11:30:35,024 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:30:35,024 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:30:35,024 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087823082] [2020-09-21 11:30:35,026 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:30:35,027 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:30:35,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:30:35,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:30:35,027 INFO L87 Difference]: Start difference. First operand 33 states and 37 transitions. Second operand 5 states. [2020-09-21 11:30:35,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:30:35,199 INFO L93 Difference]: Finished difference Result 61 states and 73 transitions. [2020-09-21 11:30:35,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 11:30:35,200 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-09-21 11:30:35,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:30:35,201 INFO L225 Difference]: With dead ends: 61 [2020-09-21 11:30:35,202 INFO L226 Difference]: Without dead ends: 43 [2020-09-21 11:30:35,203 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:30:35,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-09-21 11:30:35,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 38. [2020-09-21 11:30:35,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-09-21 11:30:35,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 42 transitions. [2020-09-21 11:30:35,214 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 42 transitions. Word has length 27 [2020-09-21 11:30:35,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:30:35,215 INFO L479 AbstractCegarLoop]: Abstraction has 38 states and 42 transitions. [2020-09-21 11:30:35,215 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:30:35,215 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2020-09-21 11:30:35,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-09-21 11:30:35,217 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:30:35,217 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] [2020-09-21 11:30:35,217 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:30:35,218 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:30:35,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:30:35,218 INFO L82 PathProgramCache]: Analyzing trace with hash -1064141225, now seen corresponding path program 1 times [2020-09-21 11:30:35,218 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:30:35,219 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1591564912] [2020-09-21 11:30:35,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:30:35,273 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-09-21 11:30:35,274 WARN L168 FreeRefinementEngine]: Strategy FIXED_PREFERENCES was unsuccessful and could not determine trace feasibility [2020-09-21 11:30:35,274 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-21 11:30:35,279 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:30:35,302 WARN L231 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-09-21 11:30:35,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:30:35 BoogieIcfgContainer [2020-09-21 11:30:35,303 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:30:35,307 INFO L168 Benchmark]: Toolchain (without parser) took 2124.41 ms. Allocated memory was 141.0 MB in the beginning and 234.4 MB in the end (delta: 93.3 MB). Free memory was 102.7 MB in the beginning and 202.1 MB in the end (delta: -99.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:30:35,308 INFO L168 Benchmark]: CDTParser took 0.87 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 120.9 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-09-21 11:30:35,309 INFO L168 Benchmark]: CACSL2BoogieTranslator took 442.81 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 101.9 MB in the beginning and 183.1 MB in the end (delta: -81.2 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. [2020-09-21 11:30:35,310 INFO L168 Benchmark]: Boogie Preprocessor took 57.29 ms. Allocated memory is still 204.5 MB. Free memory was 183.1 MB in the beginning and 180.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2020-09-21 11:30:35,311 INFO L168 Benchmark]: RCFGBuilder took 408.76 ms. Allocated memory is still 204.5 MB. Free memory was 180.9 MB in the beginning and 162.0 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 7.1 GB. [2020-09-21 11:30:35,312 INFO L168 Benchmark]: TraceAbstraction took 1204.25 ms. Allocated memory was 204.5 MB in the beginning and 234.4 MB in the end (delta: 29.9 MB). Free memory was 162.0 MB in the beginning and 202.1 MB in the end (delta: -40.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:30:35,316 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.87 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 120.9 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 442.81 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 101.9 MB in the beginning and 183.1 MB in the end (delta: -81.2 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 57.29 ms. Allocated memory is still 204.5 MB. Free memory was 183.1 MB in the beginning and 180.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 408.76 ms. Allocated memory is still 204.5 MB. Free memory was 180.9 MB in the beginning and 162.0 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1204.25 ms. Allocated memory was 204.5 MB in the beginning and 234.4 MB in the end (delta: 29.9 MB). Free memory was 162.0 MB in the beginning and 202.1 MB in the end (delta: -40.1 MB). There was no memory consumed. 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); [L27] long long sum[1]; [L29] sum[0] = 1 [L30] i=0 [L30] COND TRUE i