/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --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-multidimensional/copy-partial-3-u.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 18:24:17,411 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 18:24:17,415 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 18:24:17,458 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 18:24:17,458 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 18:24:17,466 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 18:24:17,468 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 18:24:17,472 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 18:24:17,474 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 18:24:17,477 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 18:24:17,478 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 18:24:17,479 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 18:24:17,479 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 18:24:17,482 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 18:24:17,485 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 18:24:17,486 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 18:24:17,488 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 18:24:17,489 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 18:24:17,490 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 18:24:17,499 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 18:24:17,501 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 18:24:17,502 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 18:24:17,503 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 18:24:17,504 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 18:24:17,516 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 18:24:17,517 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 18:24:17,517 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 18:24:17,523 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 18:24:17,523 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 18:24:17,527 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 18:24:17,527 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 18:24:17,528 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 18:24:17,529 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 18:24:17,531 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 18:24:17,533 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 18:24:17,533 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 18:24:17,534 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 18:24:17,534 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 18:24:17,535 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 18:24:17,535 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 18:24:17,536 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 18:24:17,537 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 18:24:17,576 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 18:24:17,576 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 18:24:17,578 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 18:24:17,579 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 18:24:17,579 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 18:24:17,579 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 18:24:17,579 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 18:24:17,579 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 18:24:17,580 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 18:24:17,580 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 18:24:17,581 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 18:24:17,581 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 18:24:17,581 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 18:24:17,582 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 18:24:17,582 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 18:24:17,582 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 18:24:17,582 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 18:24:17,582 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 18:24:17,583 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 18:24:17,583 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 18:24:17,583 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 18:24:17,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 18:24:17,584 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 18:24:17,584 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 18:24:17,584 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 18:24:17,584 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 18:24:17,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 18:24:17,585 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 18:24:17,585 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 18:24:17,585 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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 18:24:17,880 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 18:24:17,890 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 18:24:17,895 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 18:24:17,897 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 18:24:17,897 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 18:24:17,898 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-multidimensional/copy-partial-3-u.c [2020-10-14 18:24:17,971 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bdca07959/91b97e727f6a48079719e4bdaf76188e/FLAG0378f4533 [2020-10-14 18:24:18,473 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 18:24:18,474 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-multidimensional/copy-partial-3-u.c [2020-10-14 18:24:18,483 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bdca07959/91b97e727f6a48079719e4bdaf76188e/FLAG0378f4533 [2020-10-14 18:24:18,832 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bdca07959/91b97e727f6a48079719e4bdaf76188e [2020-10-14 18:24:18,840 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 18:24:18,843 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 18:24:18,844 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 18:24:18,844 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 18:24:18,849 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 18:24:18,851 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 06:24:18" (1/1) ... [2020-10-14 18:24:18,854 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12e6d6ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:24:18, skipping insertion in model container [2020-10-14 18:24:18,854 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 06:24:18" (1/1) ... [2020-10-14 18:24:18,864 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 18:24:18,888 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 18:24:19,074 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 18:24:19,079 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 18:24:19,110 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 18:24:19,216 INFO L208 MainTranslator]: Completed translation [2020-10-14 18:24:19,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:24:19 WrapperNode [2020-10-14 18:24:19,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 18:24:19,217 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 18:24:19,217 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 18:24:19,217 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 18:24:19,242 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:24:19" (1/1) ... [2020-10-14 18:24:19,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:24:19" (1/1) ... [2020-10-14 18:24:19,252 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:24:19" (1/1) ... [2020-10-14 18:24:19,252 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:24:19" (1/1) ... [2020-10-14 18:24:19,262 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:24:19" (1/1) ... [2020-10-14 18:24:19,270 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:24:19" (1/1) ... [2020-10-14 18:24:19,272 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:24:19" (1/1) ... [2020-10-14 18:24:19,275 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 18:24:19,275 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 18:24:19,275 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 18:24:19,276 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 18:24:19,276 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:24:19" (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 18:24:19,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 18:24:19,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 18:24:19,341 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-14 18:24:19,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-14 18:24:19,341 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 18:24:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 18:24:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-14 18:24:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-14 18:24:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-14 18:24:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 18:24:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 18:24:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 18:24:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 18:24:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 18:24:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 18:24:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 18:24:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 18:24:19,728 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 18:24:19,729 INFO L295 CfgBuilder]: Removed 12 assume(true) statements. [2020-10-14 18:24:19,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:24:19 BoogieIcfgContainer [2020-10-14 18:24:19,733 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 18:24:19,734 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 18:24:19,735 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 18:24:19,752 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 18:24:19,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 06:24:18" (1/3) ... [2020-10-14 18:24:19,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10c41dcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:24:19, skipping insertion in model container [2020-10-14 18:24:19,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:24:19" (2/3) ... [2020-10-14 18:24:19,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10c41dcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:24:19, skipping insertion in model container [2020-10-14 18:24:19,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:24:19" (3/3) ... [2020-10-14 18:24:19,758 INFO L109 eAbstractionObserver]: Analyzing ICFG copy-partial-3-u.c [2020-10-14 18:24:19,768 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 18:24:19,775 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 18:24:19,789 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 18:24:19,813 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 18:24:19,813 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 18:24:19,813 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 18:24:19,814 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 18:24:19,814 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 18:24:19,814 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 18:24:19,814 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 18:24:19,814 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 18:24:19,833 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states. [2020-10-14 18:24:19,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-14 18:24:19,840 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:24:19,841 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] [2020-10-14 18:24:19,842 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:24:19,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:24:19,847 INFO L82 PathProgramCache]: Analyzing trace with hash 1028666388, now seen corresponding path program 1 times [2020-10-14 18:24:19,853 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:24:19,854 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2059124197] [2020-10-14 18:24:19,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:24:19,949 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-10-14 18:24:19,950 WARN L168 FreeRefinementEngine]: Strategy FIXED_PREFERENCES was unsuccessful and could not determine trace feasibility [2020-10-14 18:24:19,950 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-14 18:24:19,954 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 18:24:19,976 WARN L231 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-10-14 18:24:19,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 06:24:19 BoogieIcfgContainer [2020-10-14 18:24:19,977 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 18:24:19,980 INFO L168 Benchmark]: Toolchain (without parser) took 1136.72 ms. Allocated memory was 147.8 MB in the beginning and 205.0 MB in the end (delta: 57.1 MB). Free memory was 103.5 MB in the beginning and 147.8 MB in the end (delta: -44.3 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. [2020-10-14 18:24:19,981 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-10-14 18:24:19,982 INFO L168 Benchmark]: CACSL2BoogieTranslator took 373.13 ms. Allocated memory was 147.8 MB in the beginning and 205.0 MB in the end (delta: 57.1 MB). Free memory was 103.5 MB in the beginning and 183.6 MB in the end (delta: -80.1 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2020-10-14 18:24:19,983 INFO L168 Benchmark]: Boogie Preprocessor took 57.70 ms. Allocated memory is still 205.0 MB. Free memory was 183.6 MB in the beginning and 181.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2020-10-14 18:24:19,984 INFO L168 Benchmark]: RCFGBuilder took 458.14 ms. Allocated memory is still 205.0 MB. Free memory was 181.4 MB in the beginning and 160.0 MB in the end (delta: 21.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. [2020-10-14 18:24:19,985 INFO L168 Benchmark]: TraceAbstraction took 242.42 ms. Allocated memory is still 205.0 MB. Free memory was 159.0 MB in the beginning and 147.8 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2020-10-14 18:24:19,990 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 373.13 ms. Allocated memory was 147.8 MB in the beginning and 205.0 MB in the end (delta: 57.1 MB). Free memory was 103.5 MB in the beginning and 183.6 MB in the end (delta: -80.1 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 57.70 ms. Allocated memory is still 205.0 MB. Free memory was 183.6 MB in the beginning and 181.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 458.14 ms. Allocated memory is still 205.0 MB. Free memory was 181.4 MB in the beginning and 160.0 MB in the end (delta: 21.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 242.42 ms. Allocated memory is still 205.0 MB. Free memory was 159.0 MB in the beginning and 147.8 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 8]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L17] int i,j,k; [L18] int n=1000; [L19] int p=500; [L20] int A [n][n][n]; [L21] int B [n][n][n]; [L22] CALL assume_abort_if_not(p