/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 log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/array-fpi/sina2f.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 17:20:09,968 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 17:20:09,973 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 17:20:10,021 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 17:20:10,023 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 17:20:10,035 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 17:20:10,036 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 17:20:10,041 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 17:20:10,044 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 17:20:10,049 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 17:20:10,050 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 17:20:10,051 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 17:20:10,051 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 17:20:10,054 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 17:20:10,057 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 17:20:10,059 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 17:20:10,060 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 17:20:10,063 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 17:20:10,065 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 17:20:10,070 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 17:20:10,073 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 17:20:10,076 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 17:20:10,078 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 17:20:10,079 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 17:20:10,087 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 17:20:10,087 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 17:20:10,087 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 17:20:10,090 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 17:20:10,091 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 17:20:10,093 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 17:20:10,093 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 17:20:10,094 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 17:20:10,095 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 17:20:10,096 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 17:20:10,098 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 17:20:10,098 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 17:20:10,099 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 17:20:10,099 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 17:20:10,099 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 17:20:10,100 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 17:20:10,102 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 17:20:10,103 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 17:20:10,154 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 17:20:10,155 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 17:20:10,157 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 17:20:10,157 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 17:20:10,158 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 17:20:10,158 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 17:20:10,158 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 17:20:10,159 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 17:20:10,159 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 17:20:10,159 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 17:20:10,160 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 17:20:10,160 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 17:20:10,161 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 17:20:10,161 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 17:20:10,161 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 17:20:10,162 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 17:20:10,162 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 17:20:10,162 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 17:20:10,162 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 17:20:10,162 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 17:20:10,163 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 17:20:10,163 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 17:20:10,163 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 17:20:10,163 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 17:20:10,164 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 17:20:10,164 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 17:20:10,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 17:20:10,164 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 17:20:10,165 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 17:20:10,165 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;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;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;log-additional-information=true; [2020-09-24 17:20:10,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 17:20:10,664 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 17:20:10,670 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 17:20:10,672 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 17:20:10,673 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 17:20:10,674 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/sina2f.c [2020-09-24 17:20:10,754 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/75bae92c3/c6460b19ad854542b7b37f307af727b5/FLAG752676d32 [2020-09-24 17:20:11,306 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 17:20:11,306 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/sina2f.c [2020-09-24 17:20:11,316 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/75bae92c3/c6460b19ad854542b7b37f307af727b5/FLAG752676d32 [2020-09-24 17:20:11,658 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/75bae92c3/c6460b19ad854542b7b37f307af727b5 [2020-09-24 17:20:11,670 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 17:20:11,675 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 17:20:11,677 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 17:20:11,677 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 17:20:11,682 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 17:20:11,683 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 05:20:11" (1/1) ... [2020-09-24 17:20:11,688 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 05:20:11, skipping insertion in model container [2020-09-24 17:20:11,688 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 05:20:11" (1/1) ... [2020-09-24 17:20:11,697 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 17:20:11,722 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 17:20:11,941 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 17:20:11,951 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 17:20:11,974 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 17:20:11,994 INFO L208 MainTranslator]: Completed translation [2020-09-24 17:20:11,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:20:11 WrapperNode [2020-09-24 17:20:11,995 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 17:20:11,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 17:20:11,996 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 17:20:11,996 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 17:20:12,084 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:20:11" (1/1) ... [2020-09-24 17:20:12,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:20:11" (1/1) ... [2020-09-24 17:20:12,095 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:20:11" (1/1) ... [2020-09-24 17:20:12,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:20:11" (1/1) ... [2020-09-24 17:20:12,105 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:20:11" (1/1) ... [2020-09-24 17:20:12,112 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:20:11" (1/1) ... [2020-09-24 17:20:12,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:20:11" (1/1) ... [2020-09-24 17:20:12,116 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 17:20:12,117 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 17:20:12,117 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 17:20:12,118 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 17:20:12,119 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:20:11" (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 17:20:12,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 17:20:12,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 17:20:12,198 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 17:20:12,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-24 17:20:12,198 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 17:20:12,198 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 17:20:12,198 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 17:20:12,199 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 17:20:12,199 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-24 17:20:12,199 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 17:20:12,199 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 17:20:12,199 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 17:20:12,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 17:20:12,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 17:20:12,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 17:20:12,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 17:20:12,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 17:20:12,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 17:20:12,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 17:20:12,586 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 17:20:12,586 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-24 17:20:12,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 05:20:12 BoogieIcfgContainer [2020-09-24 17:20:12,591 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 17:20:12,593 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 17:20:12,593 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 17:20:12,597 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 17:20:12,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 05:20:11" (1/3) ... [2020-09-24 17:20:12,598 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@269a5013 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 05:20:12, skipping insertion in model container [2020-09-24 17:20:12,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:20:11" (2/3) ... [2020-09-24 17:20:12,598 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@269a5013 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 05:20:12, skipping insertion in model container [2020-09-24 17:20:12,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 05:20:12" (3/3) ... [2020-09-24 17:20:12,601 INFO L109 eAbstractionObserver]: Analyzing ICFG sina2f.c [2020-09-24 17:20:12,612 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 17:20:12,621 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 17:20:12,643 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 17:20:12,674 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 17:20:12,675 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 17:20:12,675 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 17:20:12,675 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 17:20:12,675 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 17:20:12,675 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 17:20:12,675 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 17:20:12,675 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 17:20:12,697 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2020-09-24 17:20:12,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-09-24 17:20:12,706 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:20:12,707 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] [2020-09-24 17:20:12,708 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:20:12,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:20:12,715 INFO L82 PathProgramCache]: Analyzing trace with hash 1325521379, now seen corresponding path program 1 times [2020-09-24 17:20:12,725 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:20:12,725 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [926330392] [2020-09-24 17:20:12,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:20:12,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:20:12,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:20:12,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:20:13,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:20:13,177 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:20:13,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-24 17:20:13,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 17:20:13,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 302 [2020-09-24 17:20:13,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:20:13,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:20:13,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 17:20:13,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:20:13,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-24 17:20:13,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:20:13,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:20:13,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:20:13,328 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:20:13,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 17:20:13,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:20:13,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 17:20:13,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:20:13,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:20:13,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:20:13,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:20:13,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:20:13,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 17:20:13,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:20:13,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:20:13,349 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:20:13,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 17:20:13,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:20:13,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 17:20:13,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:20:13,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:20:13,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:20:13,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:20:13,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:20:13,363 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 17:20:13,364 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [926330392] [2020-09-24 17:20:13,366 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:20:13,366 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 17:20:13,368 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240185904] [2020-09-24 17:20:13,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 17:20:13,375 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:20:13,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 17:20:13,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 17:20:13,397 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 3 states. [2020-09-24 17:20:13,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:20:13,636 INFO L93 Difference]: Finished difference Result 125 states and 144 transitions. [2020-09-24 17:20:13,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 17:20:13,638 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2020-09-24 17:20:13,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:20:13,650 INFO L225 Difference]: With dead ends: 125 [2020-09-24 17:20:13,651 INFO L226 Difference]: Without dead ends: 62 [2020-09-24 17:20:13,656 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 17:20:13,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-09-24 17:20:13,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2020-09-24 17:20:13,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-09-24 17:20:13,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 65 transitions. [2020-09-24 17:20:13,715 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 65 transitions. Word has length 35 [2020-09-24 17:20:13,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:20:13,716 INFO L479 AbstractCegarLoop]: Abstraction has 62 states and 65 transitions. [2020-09-24 17:20:13,716 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 17:20:13,716 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 65 transitions. [2020-09-24 17:20:13,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-09-24 17:20:13,718 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:20:13,718 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] [2020-09-24 17:20:13,718 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 17:20:13,719 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:20:13,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:20:13,719 INFO L82 PathProgramCache]: Analyzing trace with hash 1536754598, now seen corresponding path program 1 times [2020-09-24 17:20:13,720 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:20:13,720 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2007200094] [2020-09-24 17:20:13,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:20:13,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:20:13,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:20:13,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:20:13,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:20:14,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:20:14,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:20:14,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:20:15,014 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:20:15,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-24 17:20:15,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-24 17:20:15,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1273 [2020-09-24 17:20:15,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:20:15,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 17:20:15,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-09-24 17:20:15,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 17:20:15,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:20:15,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:20:15,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:20:15,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:20:15,092 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:20:15,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 17:20:15,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:20:15,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 17:20:15,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:20:15,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:20:15,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:20:15,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:20:15,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:20:15,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 17:20:15,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:20:15,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:20:15,108 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:20:15,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 17:20:15,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:20:15,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 17:20:15,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:20:15,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:20:15,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:20:15,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:20:15,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:20:15,119 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 17:20:15,120 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2007200094] [2020-09-24 17:20:15,120 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:20:15,121 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 17:20:15,121 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783059726] [2020-09-24 17:20:15,124 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 17:20:15,125 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:20:15,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 17:20:15,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-24 17:20:15,126 INFO L87 Difference]: Start difference. First operand 62 states and 65 transitions. Second operand 6 states. [2020-09-24 17:20:15,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:20:15,528 INFO L93 Difference]: Finished difference Result 127 states and 138 transitions. [2020-09-24 17:20:15,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 17:20:15,529 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-09-24 17:20:15,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:20:15,534 INFO L225 Difference]: With dead ends: 127 [2020-09-24 17:20:15,534 INFO L226 Difference]: Without dead ends: 88 [2020-09-24 17:20:15,536 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-09-24 17:20:15,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-09-24 17:20:15,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 65. [2020-09-24 17:20:15,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-09-24 17:20:15,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 68 transitions. [2020-09-24 17:20:15,555 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 68 transitions. Word has length 35 [2020-09-24 17:20:15,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:20:15,555 INFO L479 AbstractCegarLoop]: Abstraction has 65 states and 68 transitions. [2020-09-24 17:20:15,555 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 17:20:15,555 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 68 transitions. [2020-09-24 17:20:15,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-24 17:20:15,558 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:20:15,558 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, 1, 1, 1, 1, 1, 1] [2020-09-24 17:20:15,559 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 17:20:15,559 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:20:15,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:20:15,560 INFO L82 PathProgramCache]: Analyzing trace with hash -313984591, now seen corresponding path program 1 times [2020-09-24 17:20:15,560 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:20:15,560 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1037237697] [2020-09-24 17:20:15,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:20:15,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-24 17:20:15,601 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-24 17:20:15,601 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-24 17:20:15,608 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 17:20:15,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 05:20:15 BoogieIcfgContainer [2020-09-24 17:20:15,633 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 17:20:15,637 INFO L168 Benchmark]: Toolchain (without parser) took 3962.95 ms. Allocated memory was 141.0 MB in the beginning and 242.2 MB in the end (delta: 101.2 MB). Free memory was 102.8 MB in the beginning and 203.7 MB in the end (delta: -101.0 MB). Peak memory consumption was 232.0 kB. Max. memory is 7.1 GB. [2020-09-24 17:20:15,638 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.0 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-09-24 17:20:15,639 INFO L168 Benchmark]: CACSL2BoogieTranslator took 318.80 ms. Allocated memory is still 141.0 MB. Free memory was 102.1 MB in the beginning and 91.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2020-09-24 17:20:15,640 INFO L168 Benchmark]: Boogie Preprocessor took 121.14 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 91.6 MB in the beginning and 181.7 MB in the end (delta: -90.2 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2020-09-24 17:20:15,641 INFO L168 Benchmark]: RCFGBuilder took 474.47 ms. Allocated memory is still 203.9 MB. Free memory was 181.7 MB in the beginning and 161.5 MB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. [2020-09-24 17:20:15,642 INFO L168 Benchmark]: TraceAbstraction took 3040.08 ms. Allocated memory was 203.9 MB in the beginning and 242.2 MB in the end (delta: 38.3 MB). Free memory was 160.9 MB in the beginning and 203.7 MB in the end (delta: -42.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-24 17:20:15,647 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.0 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 318.80 ms. Allocated memory is still 141.0 MB. Free memory was 102.1 MB in the beginning and 91.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 121.14 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 91.6 MB in the beginning and 181.7 MB in the end (delta: -90.2 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 474.47 ms. Allocated memory is still 203.9 MB. Free memory was 181.7 MB in the beginning and 161.5 MB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3040.08 ms. Allocated memory was 203.9 MB in the beginning and 242.2 MB in the end (delta: 38.3 MB). Free memory was 160.9 MB in the beginning and 203.7 MB in the end (delta: -42.9 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 13]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L17] int N; [L21] N = __VERIFIER_nondet_int() [L22] COND FALSE !(N <= 0) [L23] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L11] COND FALSE !(!cond) [L23] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L25] int i; [L26] long long sum[1]; [L27] long long *a = malloc(sizeof(long long)*N); [L29] sum[0] = 1 [L30] i=0 [L30] COND TRUE i