/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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=0.3 --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 language data_model -i ../../../trunk/examples/svcomp/loops/n.c40.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 10:00:30,524 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 10:00:30,526 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 10:00:30,581 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 10:00:30,582 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 10:00:30,588 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 10:00:30,590 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 10:00:30,595 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 10:00:30,598 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 10:00:30,604 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 10:00:30,605 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 10:00:30,607 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 10:00:30,607 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 10:00:30,611 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 10:00:30,614 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 10:00:30,616 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 10:00:30,618 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 10:00:30,622 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 10:00:30,632 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 10:00:30,634 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 10:00:30,636 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 10:00:30,637 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 10:00:30,638 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 10:00:30,639 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 10:00:30,642 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 10:00:30,643 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 10:00:30,643 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 10:00:30,644 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 10:00:30,644 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 10:00:30,645 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 10:00:30,646 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 10:00:30,647 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 10:00:30,648 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 10:00:30,648 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 10:00:30,650 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 10:00:30,650 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 10:00:30,651 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 10:00:30,651 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 10:00:30,651 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 10:00:30,652 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 10:00:30,653 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 10:00:30,654 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 [2020-10-29 10:00:30,680 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 10:00:30,681 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 10:00:30,682 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 10:00:30,682 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 10:00:30,683 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 10:00:30,683 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 10:00:30,683 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 10:00:30,683 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 10:00:30,684 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 10:00:30,684 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 10:00:30,684 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 10:00:30,684 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 10:00:30,685 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 10:00:30,685 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 10:00:30,685 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 10:00:30,685 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 10:00:30,686 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 10:00:30,686 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 10:00:30,686 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 10:00:30,686 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 10:00:30,687 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 10:00:30,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 10:00:30,687 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 10:00:30,687 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 10:00:30,688 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 10:00:30,688 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 10:00:30,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 10:00:30,688 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 10:00:30,689 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 10:00:30,689 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 10:00:31,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 10:00:31,086 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 10:00:31,089 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 10:00:31,091 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 10:00:31,091 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 10:00:31,092 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/n.c40.c [2020-10-29 10:00:31,168 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/39232a41e/464979aa7ffc4fcd8e9aaebef955145f/FLAGaf0320ac6 [2020-10-29 10:00:31,760 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 10:00:31,761 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loops/n.c40.c [2020-10-29 10:00:31,768 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/39232a41e/464979aa7ffc4fcd8e9aaebef955145f/FLAGaf0320ac6 [2020-10-29 10:00:32,153 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/39232a41e/464979aa7ffc4fcd8e9aaebef955145f [2020-10-29 10:00:32,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 10:00:32,166 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 10:00:32,173 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 10:00:32,174 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 10:00:32,178 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 10:00:32,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 10:00:32" (1/1) ... [2020-10-29 10:00:32,188 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9039352 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:00:32, skipping insertion in model container [2020-10-29 10:00:32,188 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 10:00:32" (1/1) ... [2020-10-29 10:00:32,197 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 10:00:32,214 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 10:00:32,457 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 10:00:32,469 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 10:00:32,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 10:00:32,510 INFO L208 MainTranslator]: Completed translation [2020-10-29 10:00:32,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:00:32 WrapperNode [2020-10-29 10:00:32,511 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 10:00:32,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 10:00:32,513 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 10:00:32,513 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 10:00:32,526 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:00:32" (1/1) ... [2020-10-29 10:00:32,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:00:32" (1/1) ... [2020-10-29 10:00:32,534 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:00:32" (1/1) ... [2020-10-29 10:00:32,535 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:00:32" (1/1) ... [2020-10-29 10:00:32,542 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:00:32" (1/1) ... [2020-10-29 10:00:32,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:00:32" (1/1) ... [2020-10-29 10:00:32,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:00:32" (1/1) ... [2020-10-29 10:00:32,550 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 10:00:32,551 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 10:00:32,551 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 10:00:32,551 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 10:00:32,552 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:00:32" (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 [2020-10-29 10:00:32,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 10:00:32,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 10:00:32,640 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 10:00:32,641 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 10:00:32,641 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 10:00:32,642 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 10:00:32,642 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 10:00:32,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 10:00:32,643 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 10:00:32,643 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 10:00:32,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 10:00:32,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 10:00:32,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 10:00:32,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 10:00:32,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 10:00:32,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 10:00:33,099 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 10:00:33,100 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-29 10:00:33,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 10:00:33 BoogieIcfgContainer [2020-10-29 10:00:33,101 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 10:00:33,103 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 10:00:33,103 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 10:00:33,107 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 10:00:33,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 10:00:32" (1/3) ... [2020-10-29 10:00:33,108 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18086f48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 10:00:33, skipping insertion in model container [2020-10-29 10:00:33,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:00:32" (2/3) ... [2020-10-29 10:00:33,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18086f48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 10:00:33, skipping insertion in model container [2020-10-29 10:00:33,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 10:00:33" (3/3) ... [2020-10-29 10:00:33,110 INFO L111 eAbstractionObserver]: Analyzing ICFG n.c40.c [2020-10-29 10:00:33,122 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 10:00:33,126 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 10:00:33,139 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 10:00:33,165 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 10:00:33,165 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 10:00:33,165 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 10:00:33,165 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 10:00:33,166 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 10:00:33,166 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 10:00:33,166 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 10:00:33,166 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 10:00:33,182 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2020-10-29 10:00:33,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-29 10:00:33,203 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 10:00:33,203 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 10:00:33,204 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 10:00:33,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 10:00:33,210 INFO L82 PathProgramCache]: Analyzing trace with hash 1184134424, now seen corresponding path program 1 times [2020-10-29 10:00:33,219 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 10:00:33,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [132247749] [2020-10-29 10:00:33,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 10:00:33,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:00:33,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:00:33,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:00:33,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:00:33,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 10:00:33,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 10:00:33,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 338 [2020-10-29 10:00:33,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:00:33,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:00:33,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:00:33,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 10:00:33,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 10:00:33,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 10:00:33,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 10:00:33,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:00:33,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:00:33,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:00:33,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:00:33,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:00:33,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 10:00:33,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:00:33,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:00:33,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:00:33,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:00:33,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:00:33,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:00:33,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 10:00:33,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [132247749] [2020-10-29 10:00:33,868 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 10:00:33,868 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-29 10:00:33,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761555081] [2020-10-29 10:00:33,873 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 10:00:33,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 10:00:33,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 10:00:33,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 10:00:33,890 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 4 states. [2020-10-29 10:00:34,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 10:00:34,059 INFO L93 Difference]: Finished difference Result 42 states and 49 transitions. [2020-10-29 10:00:34,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 10:00:34,061 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-29 10:00:34,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 10:00:34,068 INFO L225 Difference]: With dead ends: 42 [2020-10-29 10:00:34,069 INFO L226 Difference]: Without dead ends: 16 [2020-10-29 10:00:34,072 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 10:00:34,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-10-29 10:00:34,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-10-29 10:00:34,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-10-29 10:00:34,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2020-10-29 10:00:34,111 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 12 [2020-10-29 10:00:34,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 10:00:34,112 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2020-10-29 10:00:34,112 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 10:00:34,112 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2020-10-29 10:00:34,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-29 10:00:34,113 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 10:00:34,113 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 10:00:34,114 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 10:00:34,114 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 10:00:34,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 10:00:34,115 INFO L82 PathProgramCache]: Analyzing trace with hash 944992134, now seen corresponding path program 1 times [2020-10-29 10:00:34,115 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 10:00:34,115 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [216871002] [2020-10-29 10:00:34,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 10:00:34,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:00:34,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:00:34,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:00:34,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:00:34,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 10:00:34,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 10:00:34,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 798 [2020-10-29 10:00:34,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:00:34,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:00:34,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 10:00:34,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 10:00:34,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 10:00:34,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:00:35,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 10:00:35,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:00:35,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:00:35,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:00:35,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:00:35,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:00:35,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-29 10:00:35,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:00:35,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:00:35,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:00:35,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:00:35,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 10:00:35,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:00:35,079 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 10:00:35,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [216871002] [2020-10-29 10:00:35,080 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 10:00:35,080 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-29 10:00:35,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102342086] [2020-10-29 10:00:35,082 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 10:00:35,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 10:00:35,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 10:00:35,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-29 10:00:35,084 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 5 states. [2020-10-29 10:00:35,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 10:00:35,187 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2020-10-29 10:00:35,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 10:00:35,187 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-10-29 10:00:35,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 10:00:35,188 INFO L225 Difference]: With dead ends: 16 [2020-10-29 10:00:35,188 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 10:00:35,189 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-29 10:00:35,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 10:00:35,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 10:00:35,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 10:00:35,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 10:00:35,190 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2020-10-29 10:00:35,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 10:00:35,190 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 10:00:35,190 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 10:00:35,190 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 10:00:35,190 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 10:00:35,191 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 10:00:35,193 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 10:00:35,441 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-29 10:00:35,441 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-29 10:00:35,442 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-29 10:00:35,442 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-29 10:00:35,442 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 10:00:35,442 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~j~0 |old(~j~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#memory_int| |old(#memory_int)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |~#x~0.base| |old(~#x~0.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= |~#x~0.offset| |old(~#x~0.offset)|) (= |~#y~0.offset| |old(~#y~0.offset)|) (= ~i~0 |old(~i~0)|) (= ~k~0 |old(~k~0)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |~#y~0.base| |old(~#y~0.base)|)) [2020-10-29 10:00:35,442 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 10:00:35,443 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 10:00:35,443 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= (select |#memory_int| |~#x~0.base|) ((as const (Array Int Int)) 0)) (<= ~i~0 0)) [2020-10-29 10:00:35,448 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 10:00:35,448 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 10:00:35,448 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 10 25) no Hoare annotation was computed. [2020-10-29 10:00:35,449 INFO L274 CegarLoopResult]: For program point L21(lines 21 22) no Hoare annotation was computed. [2020-10-29 10:00:35,449 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 10 25) no Hoare annotation was computed. [2020-10-29 10:00:35,449 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 10 25) the Hoare annotation is: (or (not (= ((as const (Array Int Int)) 0) (select |old(#memory_int)| |~#x~0.base|))) (not (<= |old(~i~0)| 0)) (and (= ~i~0 |old(~i~0)|) (= ~k~0 |old(~k~0)|) (= |#memory_int| |old(#memory_int)|))) [2020-10-29 10:00:35,449 INFO L270 CegarLoopResult]: At program point L22(line 22) the Hoare annotation is: (or (not (= ((as const (Array Int Int)) 0) (select |old(#memory_int)| |~#x~0.base|))) (not (<= |old(~i~0)| 0))) [2020-10-29 10:00:35,449 INFO L274 CegarLoopResult]: For program point L22-1(line 22) no Hoare annotation was computed. [2020-10-29 10:00:35,449 INFO L274 CegarLoopResult]: For program point L20(lines 20 22) no Hoare annotation was computed. [2020-10-29 10:00:35,450 INFO L274 CegarLoopResult]: For program point L20-1(lines 20 22) no Hoare annotation was computed. [2020-10-29 10:00:35,450 INFO L274 CegarLoopResult]: For program point L14-1(lines 14 17) no Hoare annotation was computed. [2020-10-29 10:00:35,450 INFO L270 CegarLoopResult]: At program point L14-3(lines 14 17) the Hoare annotation is: (let ((.cse0 ((as const (Array Int Int)) 0))) (or (and (= (select |#memory_int| |~#x~0.base|) .cse0) (<= ~i~0 0)) (not (= .cse0 (select |old(#memory_int)| |~#x~0.base|))) (not (<= |old(~i~0)| 0)))) [2020-10-29 10:00:35,450 INFO L274 CegarLoopResult]: For program point L14-4(lines 14 17) no Hoare annotation was computed. [2020-10-29 10:00:35,466 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:238) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java:707) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:267) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:134) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) 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:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-10-29 10:00:35,473 INFO L168 Benchmark]: Toolchain (without parser) took 3309.17 ms. Allocated memory was 159.4 MB in the beginning and 191.9 MB in the end (delta: 32.5 MB). Free memory was 133.3 MB in the beginning and 161.5 MB in the end (delta: -28.2 MB). Peak memory consumption was 102.1 MB. Max. memory is 8.0 GB. [2020-10-29 10:00:35,476 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 159.4 MB. Free memory is still 131.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 10:00:35,477 INFO L168 Benchmark]: CACSL2BoogieTranslator took 338.26 ms. Allocated memory is still 159.4 MB. Free memory was 132.6 MB in the beginning and 123.3 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-10-29 10:00:35,478 INFO L168 Benchmark]: Boogie Preprocessor took 37.72 ms. Allocated memory is still 159.4 MB. Free memory was 123.3 MB in the beginning and 121.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-10-29 10:00:35,480 INFO L168 Benchmark]: RCFGBuilder took 550.57 ms. Allocated memory is still 159.4 MB. Free memory was 121.8 MB in the beginning and 107.9 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2020-10-29 10:00:35,482 INFO L168 Benchmark]: TraceAbstraction took 2365.14 ms. Allocated memory was 159.4 MB in the beginning and 191.9 MB in the end (delta: 32.5 MB). Free memory was 107.4 MB in the beginning and 161.5 MB in the end (delta: -54.1 MB). Peak memory consumption was 77.0 MB. Max. memory is 8.0 GB. [2020-10-29 10:00:35,492 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 159.4 MB. Free memory is still 131.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 338.26 ms. Allocated memory is still 159.4 MB. Free memory was 132.6 MB in the beginning and 123.3 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 37.72 ms. Allocated memory is still 159.4 MB. Free memory was 123.3 MB in the beginning and 121.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 550.57 ms. Allocated memory is still 159.4 MB. Free memory was 121.8 MB in the beginning and 107.9 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2365.14 ms. Allocated memory was 159.4 MB in the beginning and 191.9 MB in the end (delta: 32.5 MB). Free memory was 107.4 MB in the beginning and 161.5 MB in the end (delta: -54.1 MB). Peak memory consumption was 77.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ExceptionOrErrorResult: IllegalArgumentException: unknown symbol (const Int (Array Int Int)) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: unknown symbol (const Int (Array Int Int)): de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:238) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...