/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/array-fpi/condgf.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 10:08:06,127 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 10:08:06,129 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 10:08:06,153 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 10:08:06,153 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 10:08:06,154 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 10:08:06,155 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 10:08:06,157 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 10:08:06,159 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 10:08:06,159 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 10:08:06,160 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 10:08:06,161 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 10:08:06,162 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 10:08:06,163 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 10:08:06,164 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 10:08:06,165 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 10:08:06,165 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 10:08:06,166 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 10:08:06,168 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 10:08:06,170 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 10:08:06,171 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 10:08:06,173 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 10:08:06,174 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 10:08:06,177 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 10:08:06,182 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 10:08:06,182 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 10:08:06,182 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 10:08:06,183 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 10:08:06,184 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 10:08:06,187 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 10:08:06,187 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 10:08:06,189 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 10:08:06,189 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 10:08:06,190 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 10:08:06,191 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 10:08:06,191 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 10:08:06,192 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 10:08:06,192 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 10:08:06,193 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 10:08:06,194 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 10:08:06,195 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 10:08:06,202 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-12 10:08:06,244 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 10:08:06,245 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 10:08:06,246 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 10:08:06,247 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 10:08:06,247 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 10:08:06,247 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 10:08:06,248 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 10:08:06,248 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 10:08:06,248 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 10:08:06,248 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 10:08:06,249 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 10:08:06,249 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 10:08:06,250 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 10:08:06,250 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 10:08:06,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 10:08:06,251 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 10:08:06,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 10:08:06,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 10:08:06,252 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 10:08:06,252 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 10:08:06,252 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 10:08:06,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 10:08:06,253 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 10:08:06,253 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 10:08:06,253 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 10:08:06,253 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 10:08:06,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 10:08:06,253 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 10:08:06,254 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 10:08:06,254 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 10:08:06,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 10:08:06,592 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 10:08:06,595 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 10:08:06,597 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 10:08:06,597 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 10:08:06,598 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/condgf.c [2020-10-12 10:08:06,671 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ee2bc53c2/e85304580b164149bc6a5bbf2dec2bcc/FLAG08b6ae448 [2020-10-12 10:08:07,118 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 10:08:07,118 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/condgf.c [2020-10-12 10:08:07,123 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ee2bc53c2/e85304580b164149bc6a5bbf2dec2bcc/FLAG08b6ae448 [2020-10-12 10:08:07,492 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ee2bc53c2/e85304580b164149bc6a5bbf2dec2bcc [2020-10-12 10:08:07,502 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 10:08:07,504 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 10:08:07,505 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 10:08:07,506 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 10:08:07,509 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 10:08:07,510 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 10:08:07" (1/1) ... [2020-10-12 10:08:07,513 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21b0fd4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:08:07, skipping insertion in model container [2020-10-12 10:08:07,513 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 10:08:07" (1/1) ... [2020-10-12 10:08:07,521 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 10:08:07,542 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 10:08:07,753 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 10:08:07,763 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 10:08:07,786 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 10:08:07,803 INFO L208 MainTranslator]: Completed translation [2020-10-12 10:08:07,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:08:07 WrapperNode [2020-10-12 10:08:07,804 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 10:08:07,804 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 10:08:07,805 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 10:08:07,805 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 10:08:07,894 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:08:07" (1/1) ... [2020-10-12 10:08:07,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:08:07" (1/1) ... [2020-10-12 10:08:07,904 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:08:07" (1/1) ... [2020-10-12 10:08:07,904 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:08:07" (1/1) ... [2020-10-12 10:08:07,913 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:08:07" (1/1) ... [2020-10-12 10:08:07,919 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:08:07" (1/1) ... [2020-10-12 10:08:07,921 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:08:07" (1/1) ... [2020-10-12 10:08:07,923 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 10:08:07,924 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 10:08:07,924 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 10:08:07,924 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 10:08:07,925 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:08:07" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 10:08:07,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 10:08:07,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 10:08:07,982 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-12 10:08:07,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-12 10:08:07,982 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 10:08:07,982 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 10:08:07,982 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-12 10:08:07,983 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-12 10:08:07,983 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-12 10:08:07,983 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 10:08:07,983 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 10:08:07,983 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 10:08:07,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 10:08:07,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 10:08:07,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 10:08:07,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 10:08:07,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 10:08:07,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 10:08:07,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 10:08:08,244 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 10:08:08,244 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-12 10:08:08,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:08:08 BoogieIcfgContainer [2020-10-12 10:08:08,250 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 10:08:08,252 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 10:08:08,252 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 10:08:08,255 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 10:08:08,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 10:08:07" (1/3) ... [2020-10-12 10:08:08,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@596f7868 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 10:08:08, skipping insertion in model container [2020-10-12 10:08:08,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:08:07" (2/3) ... [2020-10-12 10:08:08,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@596f7868 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 10:08:08, skipping insertion in model container [2020-10-12 10:08:08,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:08:08" (3/3) ... [2020-10-12 10:08:08,259 INFO L109 eAbstractionObserver]: Analyzing ICFG condgf.c [2020-10-12 10:08:08,275 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 10:08:08,287 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 10:08:08,304 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 10:08:08,334 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 10:08:08,334 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 10:08:08,334 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 10:08:08,335 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 10:08:08,335 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 10:08:08,335 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 10:08:08,335 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 10:08:08,335 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 10:08:08,355 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2020-10-12 10:08:08,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-12 10:08:08,362 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:08:08,363 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] [2020-10-12 10:08:08,364 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:08:08,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:08:08,370 INFO L82 PathProgramCache]: Analyzing trace with hash 1314310818, now seen corresponding path program 1 times [2020-10-12 10:08:08,379 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:08:08,380 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1971770276] [2020-10-12 10:08:08,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:08:08,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:08,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:08,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:08,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:08,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:08,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:08,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:08,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:09,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:09,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-12 10:08:09,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 10:08:09,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1044 [2020-10-12 10:08:09,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:09,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 10:08:09,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-12 10:08:09,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:09,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 10:08:09,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:08:09,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:09,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:09,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:09,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:08:09,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:09,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:08:09,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:09,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:08:09,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:09,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:08:09,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:08:09,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 10:08:09,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:09,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:09,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:09,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:09,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:09,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:08:09,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:08:09,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:09,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:08:09,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-12 10:08:09,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:08:09,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:08:09,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 10:08:09,668 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1971770276] [2020-10-12 10:08:09,670 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 10:08:09,671 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-12 10:08:09,672 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980854110] [2020-10-12 10:08:09,677 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 10:08:09,677 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:08:09,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 10:08:09,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-12 10:08:09,695 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 6 states. [2020-10-12 10:08:09,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:08:09,966 INFO L93 Difference]: Finished difference Result 90 states and 127 transitions. [2020-10-12 10:08:09,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-12 10:08:09,968 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-10-12 10:08:09,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:08:09,978 INFO L225 Difference]: With dead ends: 90 [2020-10-12 10:08:09,979 INFO L226 Difference]: Without dead ends: 44 [2020-10-12 10:08:09,983 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-12 10:08:10,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-10-12 10:08:10,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 36. [2020-10-12 10:08:10,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-10-12 10:08:10,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 40 transitions. [2020-10-12 10:08:10,030 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 40 transitions. Word has length 24 [2020-10-12 10:08:10,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:08:10,031 INFO L479 AbstractCegarLoop]: Abstraction has 36 states and 40 transitions. [2020-10-12 10:08:10,031 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 10:08:10,031 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2020-10-12 10:08:10,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-12 10:08:10,032 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:08:10,033 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] [2020-10-12 10:08:10,033 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 10:08:10,033 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:08:10,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:08:10,034 INFO L82 PathProgramCache]: Analyzing trace with hash -1408881596, now seen corresponding path program 1 times [2020-10-12 10:08:10,034 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:08:10,034 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [668931621] [2020-10-12 10:08:10,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:08:10,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:10,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:10,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:10,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:10,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:11,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:12,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:12,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 10:08:12,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 10:08:12,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2175 [2020-10-12 10:08:12,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:12,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 10:08:12,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-12 10:08:12,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 10:08:12,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-10-12 10:08:12,316 ERROR L253 erpolLogProxyWrapper]: Interpolant 10 not inductive [2020-10-12 10:08:12,325 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 10:08:12,326 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: generated interpolants did not pass sanity check at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:219) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:849) at de.uni_freiburg.informatik.ultimate.smtinterpol.muses.MusEnumerationScript.getInterpolants(MusEnumerationScript.java:155) at de.uni_freiburg.informatik.ultimate.smtinterpol.muses.MusEnumerationScript.getInterpolants(MusEnumerationScript.java:256) at de.uni_freiburg.informatik.ultimate.smtinterpol.muses.MusEnumerationScript.getInterpolants(MusEnumerationScript.java:150) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:191) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:166) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:326) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-10-12 10:08:12,336 INFO L168 Benchmark]: Toolchain (without parser) took 4829.09 ms. Allocated memory was 141.0 MB in the beginning and 283.1 MB in the end (delta: 142.1 MB). Free memory was 104.1 MB in the beginning and 200.2 MB in the end (delta: -96.1 MB). Peak memory consumption was 109.7 MB. Max. memory is 7.1 GB. [2020-10-12 10:08:12,344 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-12 10:08:12,351 INFO L168 Benchmark]: CACSL2BoogieTranslator took 298.89 ms. Allocated memory is still 141.0 MB. Free memory was 103.9 MB in the beginning and 93.2 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. [2020-10-12 10:08:12,354 INFO L168 Benchmark]: Boogie Preprocessor took 119.20 ms. Allocated memory was 141.0 MB in the beginning and 203.4 MB in the end (delta: 62.4 MB). Free memory was 93.2 MB in the beginning and 181.4 MB in the end (delta: -88.2 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. [2020-10-12 10:08:12,356 INFO L168 Benchmark]: RCFGBuilder took 326.46 ms. Allocated memory is still 203.4 MB. Free memory was 180.7 MB in the beginning and 162.2 MB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 7.1 GB. [2020-10-12 10:08:12,358 INFO L168 Benchmark]: TraceAbstraction took 4078.95 ms. Allocated memory was 203.4 MB in the beginning and 283.1 MB in the end (delta: 79.7 MB). Free memory was 162.2 MB in the beginning and 200.2 MB in the end (delta: -38.0 MB). Peak memory consumption was 105.4 MB. Max. memory is 7.1 GB. [2020-10-12 10:08:12,371 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 298.89 ms. Allocated memory is still 141.0 MB. Free memory was 103.9 MB in the beginning and 93.2 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.20 ms. Allocated memory was 141.0 MB in the beginning and 203.4 MB in the end (delta: 62.4 MB). Free memory was 93.2 MB in the beginning and 181.4 MB in the end (delta: -88.2 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 326.46 ms. Allocated memory is still 203.4 MB. Free memory was 180.7 MB in the beginning and 162.2 MB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4078.95 ms. Allocated memory was 203.4 MB in the beginning and 283.1 MB in the end (delta: 79.7 MB). Free memory was 162.2 MB in the beginning and 200.2 MB in the end (delta: -38.0 MB). Peak memory consumption was 105.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: generated interpolants did not pass sanity check de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: generated interpolants did not pass sanity check: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:219) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...