./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/verifythis/elimination_max.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/verifythis/elimination_max.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b909735efeb9bc00b7df4035956af92a753b9076 ........................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/verifythis/elimination_max.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b909735efeb9bc00b7df4035956af92a753b9076 ....................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: translation of (const (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))) not yet implemented, please contact Matthias --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 01:09:34,496 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:09:34,499 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:09:34,539 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:09:34,539 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:09:34,549 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:09:34,552 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:09:34,555 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:09:34,558 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:09:34,561 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:09:34,563 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:09:34,565 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:09:34,565 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:09:34,569 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:09:34,570 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:09:34,572 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:09:34,574 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:09:34,575 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:09:34,577 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:09:34,585 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:09:34,587 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:09:34,589 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:09:34,592 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:09:34,593 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:09:34,604 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:09:34,605 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:09:34,606 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:09:34,607 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:09:34,608 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:09:34,609 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:09:34,610 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:09:34,610 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:09:34,611 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:09:34,612 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:09:34,614 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:09:34,614 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:09:34,615 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:09:34,615 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:09:34,615 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:09:34,616 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:09:34,618 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:09:34,618 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:09:34,669 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:09:34,670 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:09:34,672 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:09:34,672 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:09:34,672 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:09:34,673 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:09:34,673 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:09:34,673 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:09:34,673 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:09:34,673 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:09:34,675 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:09:34,675 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:09:34,675 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:09:34,676 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:09:34,676 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:09:34,676 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:09:34,676 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:09:34,677 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:09:34,677 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:09:34,677 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:09:34,677 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:09:34,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:09:34,678 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:09:34,678 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:09:34,678 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:09:34,679 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:09:34,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:09:34,679 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:09:34,679 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:09:34,680 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b909735efeb9bc00b7df4035956af92a753b9076 [2020-10-20 01:09:34,930 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:09:34,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:09:34,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:09:34,957 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:09:34,958 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:09:34,959 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/elimination_max.c [2020-10-20 01:09:35,039 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/180641891/3e81b25ed2504bdebbc72a46df3cb7b8/FLAG8580aad64 [2020-10-20 01:09:35,624 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:09:35,625 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/elimination_max.c [2020-10-20 01:09:35,634 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/180641891/3e81b25ed2504bdebbc72a46df3cb7b8/FLAG8580aad64 [2020-10-20 01:09:36,031 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/180641891/3e81b25ed2504bdebbc72a46df3cb7b8 [2020-10-20 01:09:36,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:09:36,041 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:09:36,044 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:09:36,045 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:09:36,049 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:09:36,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:09:36" (1/1) ... [2020-10-20 01:09:36,055 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@174d6a20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:09:36, skipping insertion in model container [2020-10-20 01:09:36,056 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:09:36" (1/1) ... [2020-10-20 01:09:36,065 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:09:36,088 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:09:36,292 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:09:36,308 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:09:36,330 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:09:36,360 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:09:36,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:09:36 WrapperNode [2020-10-20 01:09:36,360 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:09:36,361 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:09:36,362 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:09:36,362 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:09:36,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:09:36" (1/1) ... [2020-10-20 01:09:36,381 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:09:36" (1/1) ... [2020-10-20 01:09:36,407 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:09:36,407 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:09:36,408 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:09:36,408 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:09:36,418 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:09:36" (1/1) ... [2020-10-20 01:09:36,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:09:36" (1/1) ... [2020-10-20 01:09:36,421 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:09:36" (1/1) ... [2020-10-20 01:09:36,421 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:09:36" (1/1) ... [2020-10-20 01:09:36,429 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:09:36" (1/1) ... [2020-10-20 01:09:36,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:09:36" (1/1) ... [2020-10-20 01:09:36,436 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:09:36" (1/1) ... [2020-10-20 01:09:36,438 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:09:36,439 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:09:36,439 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:09:36,439 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:09:36,440 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:09:36" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-10-20 01:09:36,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:09:36,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:09:36,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-20 01:09:36,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:09:36,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:09:36,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 01:09:36,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 01:09:36,852 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:09:36,852 INFO L298 CfgBuilder]: Removed 20 assume(true) statements. [2020-10-20 01:09:36,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:09:36 BoogieIcfgContainer [2020-10-20 01:09:36,854 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:09:36,855 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:09:36,855 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:09:36,859 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:09:36,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:09:36" (1/3) ... [2020-10-20 01:09:36,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dfb0baa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:09:36, skipping insertion in model container [2020-10-20 01:09:36,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:09:36" (2/3) ... [2020-10-20 01:09:36,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dfb0baa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:09:36, skipping insertion in model container [2020-10-20 01:09:36,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:09:36" (3/3) ... [2020-10-20 01:09:36,862 INFO L111 eAbstractionObserver]: Analyzing ICFG elimination_max.c [2020-10-20 01:09:36,874 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:09:36,882 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-20 01:09:36,896 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-10-20 01:09:36,925 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:09:36,925 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:09:36,925 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:09:36,925 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:09:36,926 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:09:36,926 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:09:36,926 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:09:36,926 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:09:36,943 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2020-10-20 01:09:36,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-20 01:09:36,948 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:09:36,949 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:09:36,949 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:09:36,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:09:36,954 INFO L82 PathProgramCache]: Analyzing trace with hash -489201995, now seen corresponding path program 1 times [2020-10-20 01:09:36,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:09:36,962 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343293195] [2020-10-20 01:09:36,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:09:37,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:09:37,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:09:37,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343293195] [2020-10-20 01:09:37,115 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:09:37,116 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:09:37,116 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881966729] [2020-10-20 01:09:37,121 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:09:37,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:09:37,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:09:37,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:09:37,138 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 2 states. [2020-10-20 01:09:37,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:09:37,157 INFO L93 Difference]: Finished difference Result 47 states and 62 transitions. [2020-10-20 01:09:37,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:09:37,159 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-10-20 01:09:37,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:09:37,176 INFO L225 Difference]: With dead ends: 47 [2020-10-20 01:09:37,176 INFO L226 Difference]: Without dead ends: 20 [2020-10-20 01:09:37,179 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:09:37,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2020-10-20 01:09:37,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2020-10-20 01:09:37,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-10-20 01:09:37,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2020-10-20 01:09:37,212 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 22 transitions. Word has length 11 [2020-10-20 01:09:37,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:09:37,213 INFO L481 AbstractCegarLoop]: Abstraction has 20 states and 22 transitions. [2020-10-20 01:09:37,213 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:09:37,213 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2020-10-20 01:09:37,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-20 01:09:37,214 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:09:37,214 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:09:37,214 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:09:37,215 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:09:37,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:09:37,215 INFO L82 PathProgramCache]: Analyzing trace with hash 190915957, now seen corresponding path program 1 times [2020-10-20 01:09:37,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:09:37,216 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430381047] [2020-10-20 01:09:37,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:09:37,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:09:37,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:09:37,359 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430381047] [2020-10-20 01:09:37,359 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:09:37,359 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:09:37,359 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604972465] [2020-10-20 01:09:37,361 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:09:37,362 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:09:37,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:09:37,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:09:37,364 INFO L87 Difference]: Start difference. First operand 20 states and 22 transitions. Second operand 5 states. [2020-10-20 01:09:37,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:09:37,450 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2020-10-20 01:09:37,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:09:37,451 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-10-20 01:09:37,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:09:37,451 INFO L225 Difference]: With dead ends: 20 [2020-10-20 01:09:37,451 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:09:37,453 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-20 01:09:37,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:09:37,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:09:37,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:09:37,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:09:37,454 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2020-10-20 01:09:37,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:09:37,454 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:09:37,454 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:09:37,455 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:09:37,455 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:09:37,455 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:09:37,458 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:09:37,492 INFO L270 CegarLoopResult]: At program point L35-2(lines 25 37) the Hoare annotation is: (let ((.cse0 ((as const (Array Int Int)) 0))) (and (= .cse0 (select |#memory_int| |ULTIMATE.start_main_#t~malloc9.base|)) (= (select |#memory_int| ULTIMATE.start_main_~a~0.base) .cse0))) [2020-10-20 01:09:37,492 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2020-10-20 01:09:37,492 INFO L274 CegarLoopResult]: For program point L11(line 11) no Hoare annotation was computed. [2020-10-20 01:09:37,492 INFO L274 CegarLoopResult]: For program point L11-2(line 11) no Hoare annotation was computed. [2020-10-20 01:09:37,500 INFO L274 CegarLoopResult]: For program point L7(lines 7 9) no Hoare annotation was computed. [2020-10-20 01:09:37,500 INFO L274 CegarLoopResult]: For program point L7-1(lines 7 9) no Hoare annotation was computed. [2020-10-20 01:09:37,500 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:09:37,500 INFO L274 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed. [2020-10-20 01:09:37,500 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:09:37,500 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:09:37,501 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2020-10-20 01:09:37,501 INFO L274 CegarLoopResult]: For program point L45-2(lines 45 47) no Hoare annotation was computed. [2020-10-20 01:09:37,501 INFO L270 CegarLoopResult]: At program point L45-3(lines 45 47) the Hoare annotation is: (let ((.cse0 ((as const (Array Int Int)) 0))) (and (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (= .cse0 (select |#memory_int| |ULTIMATE.start_main_#t~malloc9.base|)) (= (select |#memory_int| ULTIMATE.start_main_~a~0.base) .cse0))) [2020-10-20 01:09:37,501 INFO L274 CegarLoopResult]: For program point L45-4(lines 45 47) no Hoare annotation was computed. [2020-10-20 01:09:37,501 INFO L274 CegarLoopResult]: For program point L8(line 8) no Hoare annotation was computed. [2020-10-20 01:09:37,502 INFO L274 CegarLoopResult]: For program point L8-2(line 8) no Hoare annotation was computed. [2020-10-20 01:09:37,502 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:09:37,502 INFO L274 CegarLoopResult]: For program point L25-2(lines 25 37) no Hoare annotation was computed. [2020-10-20 01:09:37,503 INFO L277 CegarLoopResult]: At program point L50(lines 16 51) the Hoare annotation is: true [2020-10-20 01:09:37,503 INFO L274 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2020-10-20 01:09:37,503 INFO L274 CegarLoopResult]: For program point L5-1(line 5) no Hoare annotation was computed. [2020-10-20 01:09:37,503 INFO L274 CegarLoopResult]: For program point L5-2(line 5) no Hoare annotation was computed. [2020-10-20 01:09:37,504 INFO L274 CegarLoopResult]: For program point L5-3(line 5) no Hoare annotation was computed. [2020-10-20 01:09:37,504 INFO L274 CegarLoopResult]: For program point L10(lines 10 12) no Hoare annotation was computed. [2020-10-20 01:09:37,504 INFO L274 CegarLoopResult]: For program point L10-1(lines 10 12) no Hoare annotation was computed. [2020-10-20 01:09:37,504 INFO L274 CegarLoopResult]: For program point L35(lines 35 36) no Hoare annotation was computed. [2020-10-20 01:09:37,513 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.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:55) [2020-10-20 01:09:37,519 INFO L168 Benchmark]: Toolchain (without parser) took 1482.44 ms. Allocated memory was 44.0 MB in the beginning and 49.8 MB in the end (delta: 5.8 MB). Free memory was 24.4 MB in the beginning and 31.3 MB in the end (delta: -6.9 MB). Peak memory consumption was 19.4 MB. Max. memory is 14.3 GB. [2020-10-20 01:09:37,521 INFO L168 Benchmark]: CDTParser took 0.77 ms. Allocated memory is still 32.5 MB. Free memory was 11.7 MB in the beginning and 11.7 MB in the end (delta: 48.5 kB). Peak memory consumption was 48.5 kB. Max. memory is 14.3 GB. [2020-10-20 01:09:37,522 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.48 ms. Allocated memory is still 44.0 MB. Free memory was 23.5 MB in the beginning and 25.5 MB in the end (delta: -2.0 MB). Peak memory consumption was 14.1 MB. Max. memory is 14.3 GB. [2020-10-20 01:09:37,523 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.79 ms. Allocated memory is still 44.0 MB. Free memory was 25.5 MB in the beginning and 23.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:09:37,524 INFO L168 Benchmark]: Boogie Preprocessor took 31.06 ms. Allocated memory is still 44.0 MB. Free memory was 23.5 MB in the beginning and 22.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:09:37,525 INFO L168 Benchmark]: RCFGBuilder took 415.11 ms. Allocated memory was 44.0 MB in the beginning and 47.2 MB in the end (delta: 3.1 MB). Free memory was 22.0 MB in the beginning and 26.2 MB in the end (delta: -4.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 14.3 GB. [2020-10-20 01:09:37,526 INFO L168 Benchmark]: TraceAbstraction took 661.54 ms. Allocated memory was 47.2 MB in the beginning and 49.8 MB in the end (delta: 2.6 MB). Free memory was 25.6 MB in the beginning and 31.3 MB in the end (delta: -5.7 MB). Peak memory consumption was 17.5 MB. Max. memory is 14.3 GB. [2020-10-20 01:09:37,531 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.77 ms. Allocated memory is still 32.5 MB. Free memory was 11.7 MB in the beginning and 11.7 MB in the end (delta: 48.5 kB). Peak memory consumption was 48.5 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 316.48 ms. Allocated memory is still 44.0 MB. Free memory was 23.5 MB in the beginning and 25.5 MB in the end (delta: -2.0 MB). Peak memory consumption was 14.1 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 45.79 ms. Allocated memory is still 44.0 MB. Free memory was 25.5 MB in the beginning and 23.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 31.06 ms. Allocated memory is still 44.0 MB. Free memory was 23.5 MB in the beginning and 22.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 14.3 GB. * RCFGBuilder took 415.11 ms. Allocated memory was 44.0 MB in the beginning and 47.2 MB in the end (delta: 3.1 MB). Free memory was 22.0 MB in the beginning and 26.2 MB in the end (delta: -4.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 14.3 GB. * TraceAbstraction took 661.54 ms. Allocated memory was 47.2 MB in the beginning and 49.8 MB in the end (delta: 2.6 MB). Free memory was 25.6 MB in the beginning and 31.3 MB in the end (delta: -5.7 MB). Peak memory consumption was 17.5 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 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... ### Bit-precise run ### This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 01:09:39,804 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:09:39,807 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:09:39,845 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:09:39,845 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:09:39,854 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:09:39,857 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:09:39,860 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:09:39,862 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:09:39,866 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:09:39,868 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:09:39,869 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:09:39,869 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:09:39,873 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:09:39,875 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:09:39,876 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:09:39,878 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:09:39,879 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:09:39,881 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:09:39,887 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:09:39,889 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:09:39,900 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:09:39,902 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:09:39,903 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:09:39,905 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:09:39,905 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:09:39,905 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:09:39,906 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:09:39,907 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:09:39,908 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:09:39,908 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:09:39,909 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:09:39,909 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:09:39,910 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:09:39,911 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:09:39,911 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:09:39,912 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:09:39,912 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:09:39,913 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:09:39,914 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:09:39,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:09:39,915 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-20 01:09:39,936 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:09:39,937 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:09:39,940 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:09:39,940 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:09:39,941 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:09:39,941 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:09:39,941 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:09:39,942 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:09:39,942 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:09:39,942 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:09:39,942 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:09:39,943 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:09:39,944 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 01:09:39,944 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 01:09:39,944 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:09:39,945 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:09:39,945 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:09:39,945 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:09:39,945 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:09:39,946 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:09:39,946 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:09:39,946 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:09:39,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:09:39,947 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:09:39,947 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:09:39,948 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:09:39,948 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 01:09:39,948 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 01:09:39,948 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:09:39,949 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:09:39,949 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 01:09:39,949 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b909735efeb9bc00b7df4035956af92a753b9076 [2020-10-20 01:09:40,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:09:40,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:09:40,198 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:09:40,199 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:09:40,200 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:09:40,201 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/elimination_max.c [2020-10-20 01:09:40,283 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8c5b48ff/9603343851db45e99a59319364dd5b35/FLAGba1919f34 [2020-10-20 01:09:40,739 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:09:40,740 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/elimination_max.c [2020-10-20 01:09:40,747 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8c5b48ff/9603343851db45e99a59319364dd5b35/FLAGba1919f34 [2020-10-20 01:09:41,108 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8c5b48ff/9603343851db45e99a59319364dd5b35 [2020-10-20 01:09:41,111 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:09:41,118 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:09:41,119 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:09:41,119 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:09:41,122 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:09:41,123 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:09:41" (1/1) ... [2020-10-20 01:09:41,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@283d5b44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:09:41, skipping insertion in model container [2020-10-20 01:09:41,126 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:09:41" (1/1) ... [2020-10-20 01:09:41,133 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:09:41,152 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:09:41,414 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:09:41,431 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:09:41,454 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:09:41,475 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:09:41,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:09:41 WrapperNode [2020-10-20 01:09:41,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:09:41,476 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:09:41,477 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:09:41,477 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:09:41,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:09:41" (1/1) ... [2020-10-20 01:09:41,497 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:09:41" (1/1) ... [2020-10-20 01:09:41,521 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:09:41,522 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:09:41,522 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:09:41,523 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:09:41,532 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:09:41" (1/1) ... [2020-10-20 01:09:41,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:09:41" (1/1) ... [2020-10-20 01:09:41,537 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:09:41" (1/1) ... [2020-10-20 01:09:41,537 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:09:41" (1/1) ... [2020-10-20 01:09:41,545 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:09:41" (1/1) ... [2020-10-20 01:09:41,550 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:09:41" (1/1) ... [2020-10-20 01:09:41,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:09:41" (1/1) ... [2020-10-20 01:09:41,556 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:09:41,556 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:09:41,557 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:09:41,557 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:09:41,561 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:09:41" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-10-20 01:09:41,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-20 01:09:41,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:09:41,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-20 01:09:41,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-20 01:09:41,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:09:41,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:09:41,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 01:09:42,001 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:09:42,002 INFO L298 CfgBuilder]: Removed 20 assume(true) statements. [2020-10-20 01:09:42,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:09:42 BoogieIcfgContainer [2020-10-20 01:09:42,004 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:09:42,006 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:09:42,006 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:09:42,010 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:09:42,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:09:41" (1/3) ... [2020-10-20 01:09:42,011 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e7be5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:09:42, skipping insertion in model container [2020-10-20 01:09:42,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:09:41" (2/3) ... [2020-10-20 01:09:42,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e7be5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:09:42, skipping insertion in model container [2020-10-20 01:09:42,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:09:42" (3/3) ... [2020-10-20 01:09:42,017 INFO L111 eAbstractionObserver]: Analyzing ICFG elimination_max.c [2020-10-20 01:09:42,030 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:09:42,037 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-20 01:09:42,048 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-10-20 01:09:42,077 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:09:42,077 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:09:42,077 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:09:42,078 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:09:42,078 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:09:42,078 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:09:42,078 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:09:42,078 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:09:42,094 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2020-10-20 01:09:42,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-20 01:09:42,099 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:09:42,100 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:09:42,100 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:09:42,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:09:42,105 INFO L82 PathProgramCache]: Analyzing trace with hash -489201995, now seen corresponding path program 1 times [2020-10-20 01:09:42,115 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 01:09:42,116 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1443710520] [2020-10-20 01:09:42,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-20 01:09:42,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:09:42,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-20 01:09:42,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 01:09:42,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:09:42,244 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 01:09:42,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:09:42,253 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1443710520] [2020-10-20 01:09:42,253 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:09:42,254 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-20 01:09:42,255 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989469486] [2020-10-20 01:09:42,260 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:09:42,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 01:09:42,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:09:42,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:09:42,277 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 2 states. [2020-10-20 01:09:42,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:09:42,296 INFO L93 Difference]: Finished difference Result 47 states and 62 transitions. [2020-10-20 01:09:42,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:09:42,298 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-10-20 01:09:42,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:09:42,307 INFO L225 Difference]: With dead ends: 47 [2020-10-20 01:09:42,307 INFO L226 Difference]: Without dead ends: 20 [2020-10-20 01:09:42,311 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:09:42,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2020-10-20 01:09:42,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2020-10-20 01:09:42,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-10-20 01:09:42,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2020-10-20 01:09:42,352 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 22 transitions. Word has length 11 [2020-10-20 01:09:42,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:09:42,352 INFO L481 AbstractCegarLoop]: Abstraction has 20 states and 22 transitions. [2020-10-20 01:09:42,352 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:09:42,353 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2020-10-20 01:09:42,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-20 01:09:42,353 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:09:42,353 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:09:42,563 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-20 01:09:42,564 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:09:42,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:09:42,565 INFO L82 PathProgramCache]: Analyzing trace with hash 190915957, now seen corresponding path program 1 times [2020-10-20 01:09:42,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 01:09:42,566 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [869597360] [2020-10-20 01:09:42,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-20 01:09:42,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:09:42,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 16 conjunts are in the unsatisfiable core [2020-10-20 01:09:42,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 01:09:42,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [869597360] [2020-10-20 01:09:42,729 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-20 01:09:42,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1869337174] [2020-10-20 01:09:42,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-10-20 01:09:42,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:09:42,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-20 01:09:42,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 01:09:42,983 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2020-10-20 01:09:42,984 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 01:09:42,987 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 01:09:42,988 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-20 01:09:42,988 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:7, output treesize:6 [2020-10-20 01:09:43,030 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 01:09:43,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:09:43,051 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 01:09:49,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:09:49,248 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:09:49,248 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-10-20 01:09:49,248 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294056933] [2020-10-20 01:09:49,250 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-20 01:09:49,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 01:09:49,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-20 01:09:49,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=51, Unknown=3, NotChecked=0, Total=72 [2020-10-20 01:09:49,252 INFO L87 Difference]: Start difference. First operand 20 states and 22 transitions. Second operand 8 states. [2020-10-20 01:09:49,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:09:49,395 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2020-10-20 01:09:49,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:09:49,396 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2020-10-20 01:09:49,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:09:49,397 INFO L225 Difference]: With dead ends: 20 [2020-10-20 01:09:49,397 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:09:49,398 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=33, Invalid=74, Unknown=3, NotChecked=0, Total=110 [2020-10-20 01:09:49,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:09:49,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:09:49,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:09:49,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:09:49,399 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2020-10-20 01:09:49,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:09:49,399 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:09:49,400 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-20 01:09:49,400 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:09:49,400 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:09:49,804 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk,3 mathsat -unsat_core_generation=3 [2020-10-20 01:09:49,808 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:09:49,875 INFO L270 CegarLoopResult]: At program point L35-2(lines 25 37) the Hoare annotation is: (let ((.cse0 ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32)))) (and (= (select |#memory_int| ULTIMATE.start_main_~a~0.base) .cse0) (= .cse0 (select |#memory_int| |ULTIMATE.start_main_#t~malloc9.base|)))) [2020-10-20 01:09:49,876 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2020-10-20 01:09:49,876 INFO L274 CegarLoopResult]: For program point L11(line 11) no Hoare annotation was computed. [2020-10-20 01:09:49,876 INFO L274 CegarLoopResult]: For program point L11-2(line 11) no Hoare annotation was computed. [2020-10-20 01:09:49,876 INFO L274 CegarLoopResult]: For program point L7(lines 7 9) no Hoare annotation was computed. [2020-10-20 01:09:49,876 INFO L274 CegarLoopResult]: For program point L7-1(lines 7 9) no Hoare annotation was computed. [2020-10-20 01:09:49,877 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:09:49,877 INFO L274 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed. [2020-10-20 01:09:49,877 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:09:49,877 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:09:49,877 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2020-10-20 01:09:49,877 INFO L274 CegarLoopResult]: For program point L45-2(lines 45 47) no Hoare annotation was computed. [2020-10-20 01:09:49,878 INFO L270 CegarLoopResult]: At program point L45-3(lines 45 47) the Hoare annotation is: (let ((.cse0 ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32)))) (and (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) (= (select |#memory_int| ULTIMATE.start_main_~a~0.base) .cse0) (= .cse0 (select |#memory_int| |ULTIMATE.start_main_#t~malloc9.base|)))) [2020-10-20 01:09:49,878 INFO L274 CegarLoopResult]: For program point L45-4(lines 45 47) no Hoare annotation was computed. [2020-10-20 01:09:49,878 INFO L274 CegarLoopResult]: For program point L8(line 8) no Hoare annotation was computed. [2020-10-20 01:09:49,879 INFO L274 CegarLoopResult]: For program point L8-2(line 8) no Hoare annotation was computed. [2020-10-20 01:09:49,879 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:09:49,879 INFO L274 CegarLoopResult]: For program point L25-2(lines 25 37) no Hoare annotation was computed. [2020-10-20 01:09:49,879 INFO L277 CegarLoopResult]: At program point L50(lines 16 51) the Hoare annotation is: true [2020-10-20 01:09:49,880 INFO L274 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2020-10-20 01:09:49,880 INFO L274 CegarLoopResult]: For program point L5-1(line 5) no Hoare annotation was computed. [2020-10-20 01:09:49,880 INFO L274 CegarLoopResult]: For program point L5-2(line 5) no Hoare annotation was computed. [2020-10-20 01:09:49,880 INFO L274 CegarLoopResult]: For program point L5-3(line 5) no Hoare annotation was computed. [2020-10-20 01:09:49,881 INFO L274 CegarLoopResult]: For program point L10(lines 10 12) no Hoare annotation was computed. [2020-10-20 01:09:49,881 INFO L274 CegarLoopResult]: For program point L10-1(lines 10 12) no Hoare annotation was computed. [2020-10-20 01:09:49,881 INFO L274 CegarLoopResult]: For program point L35(lines 35 36) no Hoare annotation was computed. [2020-10-20 01:09:49,890 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: translation of (const (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))) not yet implemented, please contact Matthias at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) 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:55) [2020-10-20 01:09:49,896 INFO L168 Benchmark]: Toolchain (without parser) took 8781.03 ms. Allocated memory was 35.1 MB in the beginning and 49.3 MB in the end (delta: 14.2 MB). Free memory was 15.9 MB in the beginning and 18.9 MB in the end (delta: -3.0 MB). Peak memory consumption was 11.1 MB. Max. memory is 14.3 GB. [2020-10-20 01:09:49,898 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 33.0 MB. Free memory was 10.3 MB in the beginning and 10.2 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. [2020-10-20 01:09:49,901 INFO L168 Benchmark]: CACSL2BoogieTranslator took 357.34 ms. Allocated memory was 35.1 MB in the beginning and 44.0 MB in the end (delta: 8.9 MB). Free memory was 15.0 MB in the beginning and 24.0 MB in the end (delta: -9.0 MB). Peak memory consumption was 11.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:09:49,904 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.38 ms. Allocated memory is still 44.0 MB. Free memory was 24.0 MB in the beginning and 22.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 14.3 GB. [2020-10-20 01:09:49,910 INFO L168 Benchmark]: Boogie Preprocessor took 33.86 ms. Allocated memory is still 44.0 MB. Free memory was 22.0 MB in the beginning and 20.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. [2020-10-20 01:09:49,911 INFO L168 Benchmark]: RCFGBuilder took 447.97 ms. Allocated memory was 44.0 MB in the beginning and 46.1 MB in the end (delta: 2.1 MB). Free memory was 20.4 MB in the beginning and 15.3 MB in the end (delta: 5.1 MB). Peak memory consumption was 9.0 MB. Max. memory is 14.3 GB. [2020-10-20 01:09:49,912 INFO L168 Benchmark]: TraceAbstraction took 7886.02 ms. Allocated memory was 46.1 MB in the beginning and 49.3 MB in the end (delta: 3.1 MB). Free memory was 14.8 MB in the beginning and 18.9 MB in the end (delta: -4.0 MB). There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 01:09:49,916 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 33.0 MB. Free memory was 10.3 MB in the beginning and 10.2 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 357.34 ms. Allocated memory was 35.1 MB in the beginning and 44.0 MB in the end (delta: 8.9 MB). Free memory was 15.0 MB in the beginning and 24.0 MB in the end (delta: -9.0 MB). Peak memory consumption was 11.3 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 45.38 ms. Allocated memory is still 44.0 MB. Free memory was 24.0 MB in the beginning and 22.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 33.86 ms. Allocated memory is still 44.0 MB. Free memory was 22.0 MB in the beginning and 20.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. * RCFGBuilder took 447.97 ms. Allocated memory was 44.0 MB in the beginning and 46.1 MB in the end (delta: 2.1 MB). Free memory was 20.4 MB in the beginning and 15.3 MB in the end (delta: 5.1 MB). Peak memory consumption was 9.0 MB. Max. memory is 14.3 GB. * TraceAbstraction took 7886.02 ms. Allocated memory was 46.1 MB in the beginning and 49.3 MB in the end (delta: 3.1 MB). Free memory was 14.8 MB in the beginning and 18.9 MB in the end (delta: -4.0 MB). There was no memory consumed. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - ExceptionOrErrorResult: UnsupportedOperationException: translation of (const (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))) not yet implemented, please contact Matthias de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: translation of (const (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))) not yet implemented, please contact Matthias: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...