/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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-patterns/array14_pattern.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 00:03:30,483 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 00:03:30,487 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 00:03:30,530 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 00:03:30,530 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 00:03:30,538 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 00:03:30,541 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 00:03:30,544 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 00:03:30,546 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 00:03:30,549 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 00:03:30,550 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 00:03:30,551 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 00:03:30,551 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 00:03:30,554 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 00:03:30,556 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 00:03:30,557 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 00:03:30,559 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 00:03:30,560 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 00:03:30,561 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 00:03:30,569 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 00:03:30,571 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 00:03:30,572 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 00:03:30,573 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 00:03:30,574 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 00:03:30,591 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 00:03:30,592 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 00:03:30,592 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 00:03:30,593 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 00:03:30,593 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 00:03:30,597 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 00:03:30,597 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 00:03:30,598 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 00:03:30,599 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 00:03:30,599 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 00:03:30,603 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 00:03:30,603 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 00:03:30,604 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 00:03:30,604 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 00:03:30,604 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 00:03:30,606 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 00:03:30,606 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 00:03:30,608 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 [2020-10-14 00:03:30,646 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 00:03:30,646 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 00:03:30,648 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 00:03:30,648 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 00:03:30,649 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 00:03:30,649 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 00:03:30,649 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 00:03:30,649 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 00:03:30,650 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 00:03:30,650 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 00:03:30,651 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 00:03:30,651 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 00:03:30,651 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 00:03:30,652 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 00:03:30,652 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 00:03:30,652 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 00:03:30,652 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 00:03:30,652 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 00:03:30,653 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 00:03:30,653 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 00:03:30,653 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 00:03:30,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 00:03:30,653 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 00:03:30,654 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 00:03:30,654 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 00:03:30,654 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 00:03:30,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 00:03:30,654 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 00:03:30,654 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 00:03:30,655 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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 00:03:30,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 00:03:30,980 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 00:03:30,983 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 00:03:30,985 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 00:03:30,985 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 00:03:30,986 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-patterns/array14_pattern.c [2020-10-14 00:03:31,044 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a1d79f2c4/25e7da4c30ea46c8b610d3e0c4631c94/FLAGc10204837 [2020-10-14 00:03:31,454 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 00:03:31,455 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-patterns/array14_pattern.c [2020-10-14 00:03:31,464 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a1d79f2c4/25e7da4c30ea46c8b610d3e0c4631c94/FLAGc10204837 [2020-10-14 00:03:31,832 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a1d79f2c4/25e7da4c30ea46c8b610d3e0c4631c94 [2020-10-14 00:03:31,840 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 00:03:31,842 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 00:03:31,843 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 00:03:31,843 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 00:03:31,847 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 00:03:31,848 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:03:31" (1/1) ... [2020-10-14 00:03:31,851 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f71ec06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:03:31, skipping insertion in model container [2020-10-14 00:03:31,851 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:03:31" (1/1) ... [2020-10-14 00:03:31,859 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 00:03:31,884 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 00:03:32,104 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 00:03:32,108 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 00:03:32,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 00:03:32,240 INFO L208 MainTranslator]: Completed translation [2020-10-14 00:03:32,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:03:32 WrapperNode [2020-10-14 00:03:32,241 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 00:03:32,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 00:03:32,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 00:03:32,242 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 00:03:32,252 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:03:32" (1/1) ... [2020-10-14 00:03:32,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:03:32" (1/1) ... [2020-10-14 00:03:32,261 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:03:32" (1/1) ... [2020-10-14 00:03:32,261 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:03:32" (1/1) ... [2020-10-14 00:03:32,269 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:03:32" (1/1) ... [2020-10-14 00:03:32,275 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:03:32" (1/1) ... [2020-10-14 00:03:32,277 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:03:32" (1/1) ... [2020-10-14 00:03:32,280 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 00:03:32,280 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 00:03:32,280 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 00:03:32,281 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 00:03:32,281 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:03:32" (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 [2020-10-14 00:03:32,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 00:03:32,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 00:03:32,338 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-14 00:03:32,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-14 00:03:32,339 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 00:03:32,340 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 00:03:32,340 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-14 00:03:32,341 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-14 00:03:32,341 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-14 00:03:32,341 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 00:03:32,341 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2020-10-14 00:03:32,342 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 00:03:32,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 00:03:32,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 00:03:32,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 00:03:32,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 00:03:32,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 00:03:32,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 00:03:32,670 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 00:03:32,670 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-14 00:03:32,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:03:32 BoogieIcfgContainer [2020-10-14 00:03:32,674 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 00:03:32,676 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 00:03:32,676 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 00:03:32,679 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 00:03:32,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:03:31" (1/3) ... [2020-10-14 00:03:32,680 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@267b619 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:03:32, skipping insertion in model container [2020-10-14 00:03:32,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:03:32" (2/3) ... [2020-10-14 00:03:32,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@267b619 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:03:32, skipping insertion in model container [2020-10-14 00:03:32,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:03:32" (3/3) ... [2020-10-14 00:03:32,683 INFO L109 eAbstractionObserver]: Analyzing ICFG array14_pattern.c [2020-10-14 00:03:32,694 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 00:03:32,701 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 00:03:32,715 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 00:03:32,744 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 00:03:32,744 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 00:03:32,744 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 00:03:32,744 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 00:03:32,744 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 00:03:32,744 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 00:03:32,745 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 00:03:32,745 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 00:03:32,763 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states. [2020-10-14 00:03:32,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-14 00:03:32,768 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:03:32,769 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] [2020-10-14 00:03:32,770 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:03:32,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:03:32,776 INFO L82 PathProgramCache]: Analyzing trace with hash -1725491234, now seen corresponding path program 1 times [2020-10-14 00:03:32,783 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:03:32,789 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1940392096] [2020-10-14 00:03:32,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:03:32,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:03:32,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:03:32,958 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1940392096] [2020-10-14 00:03:32,959 WARN L333 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2020-10-14 00:03:32,960 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:03:32,960 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2020-10-14 00:03:32,960 ERROR L206 FreeRefinementEngine]: Strategy FIXED_PREFERENCES failed to provide any proof altough trace is infeasible [2020-10-14 00:03:32,961 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-14 00:03:32,965 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 00:03:32,979 WARN L231 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-10-14 00:03:32,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 12:03:32 BoogieIcfgContainer [2020-10-14 00:03:32,980 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 00:03:32,983 INFO L168 Benchmark]: Toolchain (without parser) took 1140.16 ms. Allocated memory was 147.8 MB in the beginning and 203.9 MB in the end (delta: 56.1 MB). Free memory was 104.0 MB in the beginning and 146.5 MB in the end (delta: -42.5 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2020-10-14 00:03:32,984 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-10-14 00:03:32,985 INFO L168 Benchmark]: CACSL2BoogieTranslator took 398.33 ms. Allocated memory was 147.8 MB in the beginning and 203.9 MB in the end (delta: 56.1 MB). Free memory was 103.6 MB in the beginning and 182.7 MB in the end (delta: -79.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. [2020-10-14 00:03:32,986 INFO L168 Benchmark]: Boogie Preprocessor took 38.43 ms. Allocated memory is still 203.9 MB. Free memory was 182.7 MB in the beginning and 180.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2020-10-14 00:03:32,988 INFO L168 Benchmark]: RCFGBuilder took 394.32 ms. Allocated memory is still 203.9 MB. Free memory was 180.4 MB in the beginning and 161.6 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. [2020-10-14 00:03:32,989 INFO L168 Benchmark]: TraceAbstraction took 304.42 ms. Allocated memory is still 203.9 MB. Free memory was 160.9 MB in the beginning and 146.5 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. [2020-10-14 00:03:32,996 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 398.33 ms. Allocated memory was 147.8 MB in the beginning and 203.9 MB in the end (delta: 56.1 MB). Free memory was 103.6 MB in the beginning and 182.7 MB in the end (delta: -79.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.43 ms. Allocated memory is still 203.9 MB. Free memory was 182.7 MB in the beginning and 180.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 394.32 ms. Allocated memory is still 203.9 MB. Free memory was 180.4 MB in the beginning and 161.6 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 304.42 ms. Allocated memory is still 203.9 MB. Free memory was 160.9 MB in the beginning and 146.5 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 30]: 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: [L34] signed long long ARR_SIZE ; [L38] ARR_SIZE = (signed long long)__VERIFIER_nondet_short() [L39] CALL assume_abort_if_not(ARR_SIZE > 0) [L28] COND TRUE !cond [L39] RET assume_abort_if_not(ARR_SIZE > 0) [L41] int array[ARR_SIZE][ARR_SIZE] ; [L43] int row = 0, column = 0, num = -1 ; [L44] signed long long sum = 0 ; [L45] int temp ; [L46] signed long long index1,index2 ; [L48] row=0 [L48] COND FALSE !(row= 0 && sum <= ARR_SIZE) [L30] COND TRUE !(cond) [L30] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNKNOWN, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...