/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/ssinaf.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:30:56,375 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:30:56,380 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:30:56,423 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:30:56,424 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:30:56,433 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:30:56,435 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:30:56,439 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:30:56,442 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:30:56,445 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:30:56,447 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:30:56,448 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:30:56,448 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:30:56,451 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:30:56,454 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:30:56,455 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:30:56,457 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:30:56,458 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:30:56,460 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:30:56,468 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:30:56,471 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:30:56,472 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:30:56,473 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:30:56,474 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:30:56,492 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:30:56,492 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:30:56,492 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:30:56,493 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:30:56,494 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:30:56,498 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:30:56,498 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:30:56,499 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:30:56,500 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:30:56,502 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:30:56,503 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:30:56,503 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:30:56,504 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:30:56,505 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:30:56,505 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:30:56,506 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:30:56,506 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:30:56,508 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 11:30:56,551 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:30:56,552 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:30:56,554 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:30:56,554 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:30:56,555 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:30:56,555 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:30:56,555 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:30:56,556 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:30:56,556 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:30:56,556 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:30:56,557 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:30:56,557 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:30:56,558 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:30:56,558 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:30:56,558 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:30:56,558 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:30:56,559 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:30:56,559 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:30:56,559 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:30:56,559 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:30:56,559 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:30:56,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:30:56,560 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:30:56,560 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:30:56,560 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:30:56,560 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:30:56,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:30:56,561 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:30:56,561 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:30:56,561 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 11:30:57,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:30:57,073 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:30:57,080 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:30:57,082 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:30:57,083 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:30:57,084 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/ssinaf.c [2020-09-21 11:30:57,163 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3caa12aa5/361e63a80c4f422c9e4a1b7832ca583f/FLAG7f3011f3a [2020-09-21 11:30:57,693 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:30:57,694 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/ssinaf.c [2020-09-21 11:30:57,703 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3caa12aa5/361e63a80c4f422c9e4a1b7832ca583f/FLAG7f3011f3a [2020-09-21 11:30:58,025 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3caa12aa5/361e63a80c4f422c9e4a1b7832ca583f [2020-09-21 11:30:58,040 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:30:58,046 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:30:58,047 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:30:58,047 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:30:58,052 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:30:58,053 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:30:58" (1/1) ... [2020-09-21 11:30:58,057 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@622d9ae4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:58, skipping insertion in model container [2020-09-21 11:30:58,058 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:30:58" (1/1) ... [2020-09-21 11:30:58,067 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:30:58,094 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:30:58,395 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:30:58,407 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:30:58,433 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:30:58,454 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:30:58,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:58 WrapperNode [2020-09-21 11:30:58,454 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:30:58,456 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:30:58,456 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:30:58,456 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:30:58,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:58" (1/1) ... [2020-09-21 11:30:58,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:58" (1/1) ... [2020-09-21 11:30:58,565 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:58" (1/1) ... [2020-09-21 11:30:58,565 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:58" (1/1) ... [2020-09-21 11:30:58,576 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:58" (1/1) ... [2020-09-21 11:30:58,584 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:58" (1/1) ... [2020-09-21 11:30:58,586 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:58" (1/1) ... [2020-09-21 11:30:58,589 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:30:58,590 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:30:58,590 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:30:58,590 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:30:58,592 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:58" (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 11:30:58,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:30:58,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:30:58,671 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-21 11:30:58,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-21 11:30:58,672 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:30:58,672 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:30:58,672 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-21 11:30:58,672 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-21 11:30:58,673 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-21 11:30:58,673 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:30:58,673 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:30:58,673 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:30:58,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:30:58,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:30:58,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:30:58,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:30:58,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:30:58,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:30:58,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:30:59,038 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:30:59,038 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-09-21 11:30:59,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:30:59 BoogieIcfgContainer [2020-09-21 11:30:59,043 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:30:59,044 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:30:59,044 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:30:59,048 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:30:59,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:30:58" (1/3) ... [2020-09-21 11:30:59,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16f0a413 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:30:59, skipping insertion in model container [2020-09-21 11:30:59,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:58" (2/3) ... [2020-09-21 11:30:59,050 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16f0a413 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:30:59, skipping insertion in model container [2020-09-21 11:30:59,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:30:59" (3/3) ... [2020-09-21 11:30:59,052 INFO L109 eAbstractionObserver]: Analyzing ICFG ssinaf.c [2020-09-21 11:30:59,063 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:30:59,072 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:30:59,093 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:30:59,121 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:30:59,121 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:30:59,121 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:30:59,121 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:30:59,121 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:30:59,122 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:30:59,122 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:30:59,122 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:30:59,144 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states. [2020-09-21 11:30:59,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-09-21 11:30:59,152 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:30:59,153 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] [2020-09-21 11:30:59,153 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:30:59,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:30:59,160 INFO L82 PathProgramCache]: Analyzing trace with hash 1994596369, now seen corresponding path program 1 times [2020-09-21 11:30:59,170 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:30:59,171 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [815742048] [2020-09-21 11:30:59,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:30:59,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:30:59,321 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:30:59,321 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:30:59,321 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:30:59,322 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:30:59,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-21 11:30:59,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:30:59,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:30:59,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:30:59,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:30:59,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 11:30:59,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:30:59,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:30:59,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:30:59,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:30:59,405 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:30:59,406 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:30:59,406 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:30:59,406 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:30:59,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:30:59,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:30:59,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:30:59,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:30:59,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:30:59,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:30:59,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:30:59,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:30:59,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 11:30:59,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:30:59,422 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:30:59,423 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:30:59,423 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:30:59,424 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:30:59,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:30:59,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:30:59,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:30:59,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:30:59,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:30:59,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 11:30:59,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:30:59,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:30:59,435 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 11:30:59,436 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [815742048] [2020-09-21 11:30:59,438 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:30:59,439 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 11:30:59,440 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607056565] [2020-09-21 11:30:59,448 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 11:30:59,448 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:30:59,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 11:30:59,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:30:59,468 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 3 states. [2020-09-21 11:30:59,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:30:59,664 INFO L93 Difference]: Finished difference Result 76 states and 103 transitions. [2020-09-21 11:30:59,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 11:30:59,667 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2020-09-21 11:30:59,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:30:59,682 INFO L225 Difference]: With dead ends: 76 [2020-09-21 11:30:59,683 INFO L226 Difference]: Without dead ends: 38 [2020-09-21 11:30:59,689 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 11:30:59,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-09-21 11:30:59,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2020-09-21 11:30:59,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-09-21 11:30:59,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 43 transitions. [2020-09-21 11:30:59,742 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 43 transitions. Word has length 28 [2020-09-21 11:30:59,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:30:59,743 INFO L479 AbstractCegarLoop]: Abstraction has 38 states and 43 transitions. [2020-09-21 11:30:59,743 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 11:30:59,743 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2020-09-21 11:30:59,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-09-21 11:30:59,745 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:30:59,745 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] [2020-09-21 11:30:59,745 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:30:59,746 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:30:59,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:30:59,746 INFO L82 PathProgramCache]: Analyzing trace with hash 1530390023, now seen corresponding path program 1 times [2020-09-21 11:30:59,747 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:30:59,747 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1814827429] [2020-09-21 11:30:59,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:30:59,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:30:59,814 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:30:59,814 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:30:59,814 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:30:59,815 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:30:59,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-21 11:30:59,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:30:59,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-21 11:30:59,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:30:59,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:30:59,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:30:59,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 11:30:59,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:30:59,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:30:59,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:30:59,894 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:30:59,894 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:30:59,894 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:30:59,895 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:30:59,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:30:59,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:30:59,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:30:59,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:30:59,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:30:59,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:30:59,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:30:59,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:30:59,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 11:30:59,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:30:59,909 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:30:59,909 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:30:59,909 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:30:59,910 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:30:59,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:30:59,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:30:59,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:30:59,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:30:59,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:30:59,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:30:59,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:30:59,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:30:59,918 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 11:30:59,919 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1814827429] [2020-09-21 11:30:59,920 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:30:59,920 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:30:59,920 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142897902] [2020-09-21 11:30:59,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:30:59,923 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:30:59,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:30:59,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:30:59,924 INFO L87 Difference]: Start difference. First operand 38 states and 43 transitions. Second operand 5 states. [2020-09-21 11:31:00,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:31:00,145 INFO L93 Difference]: Finished difference Result 75 states and 90 transitions. [2020-09-21 11:31:00,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 11:31:00,147 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2020-09-21 11:31:00,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:31:00,151 INFO L225 Difference]: With dead ends: 75 [2020-09-21 11:31:00,151 INFO L226 Difference]: Without dead ends: 52 [2020-09-21 11:31:00,155 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 11:31:00,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-09-21 11:31:00,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 43. [2020-09-21 11:31:00,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-09-21 11:31:00,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 48 transitions. [2020-09-21 11:31:00,201 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 48 transitions. Word has length 28 [2020-09-21 11:31:00,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:31:00,202 INFO L479 AbstractCegarLoop]: Abstraction has 43 states and 48 transitions. [2020-09-21 11:31:00,202 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:31:00,202 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2020-09-21 11:31:00,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-09-21 11:31:00,204 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:31:00,205 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] [2020-09-21 11:31:00,206 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:31:00,206 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:31:00,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:31:00,206 INFO L82 PathProgramCache]: Analyzing trace with hash 1357692925, now seen corresponding path program 1 times [2020-09-21 11:31:00,207 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:31:00,208 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1157757422] [2020-09-21 11:31:00,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:31:00,295 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-09-21 11:31:00,295 WARN L168 FreeRefinementEngine]: Strategy FIXED_PREFERENCES was unsuccessful and could not determine trace feasibility [2020-09-21 11:31:00,296 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-21 11:31:00,301 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:31:00,331 WARN L231 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-09-21 11:31:00,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:31:00 BoogieIcfgContainer [2020-09-21 11:31:00,331 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:31:00,337 INFO L168 Benchmark]: Toolchain (without parser) took 2292.18 ms. Allocated memory was 138.4 MB in the beginning and 231.7 MB in the end (delta: 93.3 MB). Free memory was 101.6 MB in the beginning and 197.1 MB in the end (delta: -95.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:31:00,338 INFO L168 Benchmark]: CDTParser took 0.80 ms. Allocated memory is still 138.4 MB. Free memory was 120.0 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:31:00,340 INFO L168 Benchmark]: CACSL2BoogieTranslator took 408.84 ms. Allocated memory is still 138.4 MB. Free memory was 100.9 MB in the beginning and 89.6 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2020-09-21 11:31:00,341 INFO L168 Benchmark]: Boogie Preprocessor took 133.53 ms. Allocated memory was 138.4 MB in the beginning and 200.3 MB in the end (delta: 61.9 MB). Free memory was 89.6 MB in the beginning and 177.5 MB in the end (delta: -87.9 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. [2020-09-21 11:31:00,343 INFO L168 Benchmark]: RCFGBuilder took 452.84 ms. Allocated memory is still 200.3 MB. Free memory was 177.5 MB in the beginning and 157.6 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. [2020-09-21 11:31:00,345 INFO L168 Benchmark]: TraceAbstraction took 1287.54 ms. Allocated memory was 200.3 MB in the beginning and 231.7 MB in the end (delta: 31.5 MB). Free memory was 156.9 MB in the beginning and 197.1 MB in the end (delta: -40.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:31:00,355 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80 ms. Allocated memory is still 138.4 MB. Free memory was 120.0 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 408.84 ms. Allocated memory is still 138.4 MB. Free memory was 100.9 MB in the beginning and 89.6 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 133.53 ms. Allocated memory was 138.4 MB in the beginning and 200.3 MB in the end (delta: 61.9 MB). Free memory was 89.6 MB in the beginning and 177.5 MB in the end (delta: -87.9 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 452.84 ms. Allocated memory is still 200.3 MB. Free memory was 177.5 MB in the beginning and 157.6 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1287.54 ms. Allocated memory was 200.3 MB in the beginning and 231.7 MB in the end (delta: 31.5 MB). Free memory was 156.9 MB in the beginning and 197.1 MB in the end (delta: -40.2 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 sum[1]; [L27] long long *a = malloc(sizeof(long long)*N); [L29] sum[0] = 0 [L30] i=0 [L30] COND TRUE i