./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_cc4157f9-21db-4ba6-9caf-856a26a99e01/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_cc4157f9-21db-4ba6-9caf-856a26a99e01/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cc4157f9-21db-4ba6-9caf-856a26a99e01/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cc4157f9-21db-4ba6-9caf-856a26a99e01/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/verifythis/elimination_max.c -s /tmp/vcloud-vcloud-master/worker/run_dir_cc4157f9-21db-4ba6-9caf-856a26a99e01/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cc4157f9-21db-4ba6-9caf-856a26a99e01/bin/uautomizer --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=/tmp/vcloud-vcloud-master/worker/run_dir_cc4157f9-21db-4ba6-9caf-856a26a99e01/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_cc4157f9-21db-4ba6-9caf-856a26a99e01/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cc4157f9-21db-4ba6-9caf-856a26a99e01/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cc4157f9-21db-4ba6-9caf-856a26a99e01/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/verifythis/elimination_max.c -s /tmp/vcloud-vcloud-master/worker/run_dir_cc4157f9-21db-4ba6-9caf-856a26a99e01/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cc4157f9-21db-4ba6-9caf-856a26a99e01/bin/uautomizer --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 0.2.0-a4ecdab [2020-11-29 23:56:52,630 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:56:52,632 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:56:52,697 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:56:52,698 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:56:52,704 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:56:52,707 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:56:52,715 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:56:52,719 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:56:52,726 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:56:52,727 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:56:52,729 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:56:52,731 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:56:52,733 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:56:52,735 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:56:52,737 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:56:52,738 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:56:52,743 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:56:52,745 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:56:52,749 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:56:52,755 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:56:52,757 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:56:52,759 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:56:52,760 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:56:52,765 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:56:52,765 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:56:52,766 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:56:52,767 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:56:52,767 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:56:52,768 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:56:52,768 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:56:52,769 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:56:52,770 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:56:52,771 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:56:52,772 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:56:52,772 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:56:52,773 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:56:52,773 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:56:52,774 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:56:52,775 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:56:52,775 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:56:52,777 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cc4157f9-21db-4ba6-9caf-856a26a99e01/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 23:56:52,803 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:56:52,803 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:56:52,804 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:56:52,805 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:56:52,805 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 23:56:52,805 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:56:52,805 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 23:56:52,806 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 23:56:52,806 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 23:56:52,806 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:56:52,806 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 23:56:52,806 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 23:56:52,807 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 23:56:52,807 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 23:56:52,807 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 23:56:52,807 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:56:52,808 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 23:56:52,808 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:56:52,808 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 23:56:52,808 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 23:56:52,809 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 23:56:52,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 23:56:52,809 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:56:52,809 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 23:56:52,809 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 23:56:52,810 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 23:56:52,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 23:56:52,810 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 23:56:52,810 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 23:56:52,811 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:/tmp/vcloud-vcloud-master/worker/run_dir_cc4157f9-21db-4ba6-9caf-856a26a99e01/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_cc4157f9-21db-4ba6-9caf-856a26a99e01/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b909735efeb9bc00b7df4035956af92a753b9076 [2020-11-29 23:56:53,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:56:53,089 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:56:53,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:56:53,094 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:56:53,096 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:56:53,098 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cc4157f9-21db-4ba6-9caf-856a26a99e01/bin/uautomizer/../../sv-benchmarks/c/verifythis/elimination_max.c [2020-11-29 23:56:53,209 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cc4157f9-21db-4ba6-9caf-856a26a99e01/bin/uautomizer/data/f7368f2c7/3d9a9b6e58234ec28c34d76a19fe8273/FLAG33215ded5 [2020-11-29 23:56:53,729 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:56:53,729 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cc4157f9-21db-4ba6-9caf-856a26a99e01/sv-benchmarks/c/verifythis/elimination_max.c [2020-11-29 23:56:53,737 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cc4157f9-21db-4ba6-9caf-856a26a99e01/bin/uautomizer/data/f7368f2c7/3d9a9b6e58234ec28c34d76a19fe8273/FLAG33215ded5 [2020-11-29 23:56:54,105 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cc4157f9-21db-4ba6-9caf-856a26a99e01/bin/uautomizer/data/f7368f2c7/3d9a9b6e58234ec28c34d76a19fe8273 [2020-11-29 23:56:54,107 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:56:54,109 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:56:54,110 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:56:54,110 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:56:54,114 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:56:54,115 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:56:54" (1/1) ... [2020-11-29 23:56:54,117 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44614a5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:54, skipping insertion in model container [2020-11-29 23:56:54,117 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:56:54" (1/1) ... [2020-11-29 23:56:54,129 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:56:54,143 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:56:54,329 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:56:54,341 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 23:56:54,360 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:56:54,375 INFO L208 MainTranslator]: Completed translation [2020-11-29 23:56:54,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:54 WrapperNode [2020-11-29 23:56:54,376 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:56:54,377 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 23:56:54,378 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 23:56:54,378 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 23:56:54,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:54" (1/1) ... [2020-11-29 23:56:54,393 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:54" (1/1) ... [2020-11-29 23:56:54,415 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 23:56:54,418 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 23:56:54,418 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 23:56:54,419 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 23:56:54,426 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:54" (1/1) ... [2020-11-29 23:56:54,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:54" (1/1) ... [2020-11-29 23:56:54,432 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:54" (1/1) ... [2020-11-29 23:56:54,432 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:54" (1/1) ... [2020-11-29 23:56:54,451 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:54" (1/1) ... [2020-11-29 23:56:54,458 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:54" (1/1) ... [2020-11-29 23:56:54,466 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:54" (1/1) ... [2020-11-29 23:56:54,475 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 23:56:54,476 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 23:56:54,476 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 23:56:54,476 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 23:56:54,477 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cc4157f9-21db-4ba6-9caf-856a26a99e01/bin/uautomizer/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 [2020-11-29 23:56:54,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 23:56:54,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 23:56:54,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-29 23:56:54,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 23:56:54,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 23:56:54,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 23:56:54,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 23:56:54,869 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 23:56:54,869 INFO L298 CfgBuilder]: Removed 20 assume(true) statements. [2020-11-29 23:56:54,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:56:54 BoogieIcfgContainer [2020-11-29 23:56:54,874 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 23:56:54,876 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 23:56:54,876 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 23:56:54,896 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 23:56:54,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 11:56:54" (1/3) ... [2020-11-29 23:56:54,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@600a63d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 11:56:54, skipping insertion in model container [2020-11-29 23:56:54,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:54" (2/3) ... [2020-11-29 23:56:54,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@600a63d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 11:56:54, skipping insertion in model container [2020-11-29 23:56:54,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:56:54" (3/3) ... [2020-11-29 23:56:54,899 INFO L111 eAbstractionObserver]: Analyzing ICFG elimination_max.c [2020-11-29 23:56:54,919 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 23:56:54,922 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-11-29 23:56:54,931 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-11-29 23:56:54,955 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 23:56:54,956 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 23:56:54,956 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 23:56:54,956 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 23:56:54,956 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 23:56:54,956 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 23:56:54,956 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 23:56:54,957 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 23:56:54,971 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2020-11-29 23:56:54,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-29 23:56:54,976 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:56:54,977 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:56:54,977 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:56:54,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:56:54,983 INFO L82 PathProgramCache]: Analyzing trace with hash -489201995, now seen corresponding path program 1 times [2020-11-29 23:56:54,992 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:56:54,993 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336073995] [2020-11-29 23:56:54,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:56:55,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:55,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:56:55,130 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336073995] [2020-11-29 23:56:55,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:56:55,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 23:56:55,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241976279] [2020-11-29 23:56:55,136 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 23:56:55,137 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:56:55,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 23:56:55,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 23:56:55,153 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 2 states. [2020-11-29 23:56:55,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:56:55,169 INFO L93 Difference]: Finished difference Result 47 states and 62 transitions. [2020-11-29 23:56:55,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 23:56:55,171 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-11-29 23:56:55,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:56:55,179 INFO L225 Difference]: With dead ends: 47 [2020-11-29 23:56:55,179 INFO L226 Difference]: Without dead ends: 20 [2020-11-29 23:56:55,182 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 [2020-11-29 23:56:55,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2020-11-29 23:56:55,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2020-11-29 23:56:55,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-11-29 23:56:55,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2020-11-29 23:56:55,214 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 22 transitions. Word has length 11 [2020-11-29 23:56:55,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:56:55,214 INFO L481 AbstractCegarLoop]: Abstraction has 20 states and 22 transitions. [2020-11-29 23:56:55,215 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 23:56:55,215 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2020-11-29 23:56:55,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-29 23:56:55,216 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:56:55,216 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:56:55,216 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 23:56:55,216 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:56:55,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:56:55,218 INFO L82 PathProgramCache]: Analyzing trace with hash 190915957, now seen corresponding path program 1 times [2020-11-29 23:56:55,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:56:55,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044432934] [2020-11-29 23:56:55,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:56:55,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:55,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:56:55,385 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044432934] [2020-11-29 23:56:55,385 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:56:55,385 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 23:56:55,385 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542310333] [2020-11-29 23:56:55,387 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 23:56:55,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:56:55,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 23:56:55,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 23:56:55,388 INFO L87 Difference]: Start difference. First operand 20 states and 22 transitions. Second operand 5 states. [2020-11-29 23:56:55,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:56:55,468 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2020-11-29 23:56:55,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 23:56:55,469 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-11-29 23:56:55,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:56:55,469 INFO L225 Difference]: With dead ends: 20 [2020-11-29 23:56:55,469 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 23:56:55,470 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 [2020-11-29 23:56:55,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 23:56:55,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 23:56:55,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 23:56:55,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 23:56:55,471 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2020-11-29 23:56:55,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:56:55,472 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 23:56:55,472 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 23:56:55,472 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 23:56:55,472 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 23:56:55,472 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 23:56:55,474 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 23:56:55,507 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))) [2020-11-29 23:56:55,507 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2020-11-29 23:56:55,507 INFO L274 CegarLoopResult]: For program point L11(line 11) no Hoare annotation was computed. [2020-11-29 23:56:55,507 INFO L274 CegarLoopResult]: For program point L11-2(line 11) no Hoare annotation was computed. [2020-11-29 23:56:55,507 INFO L274 CegarLoopResult]: For program point L7(lines 7 9) no Hoare annotation was computed. [2020-11-29 23:56:55,508 INFO L274 CegarLoopResult]: For program point L7-1(lines 7 9) no Hoare annotation was computed. [2020-11-29 23:56:55,508 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 23:56:55,508 INFO L274 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed. [2020-11-29 23:56:55,508 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 23:56:55,508 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 23:56:55,508 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2020-11-29 23:56:55,508 INFO L274 CegarLoopResult]: For program point L45-2(lines 45 47) no Hoare annotation was computed. [2020-11-29 23:56:55,509 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))) [2020-11-29 23:56:55,509 INFO L274 CegarLoopResult]: For program point L45-4(lines 45 47) no Hoare annotation was computed. [2020-11-29 23:56:55,509 INFO L274 CegarLoopResult]: For program point L8(line 8) no Hoare annotation was computed. [2020-11-29 23:56:55,509 INFO L274 CegarLoopResult]: For program point L8-2(line 8) no Hoare annotation was computed. [2020-11-29 23:56:55,509 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 23:56:55,509 INFO L274 CegarLoopResult]: For program point L25-2(lines 25 37) no Hoare annotation was computed. [2020-11-29 23:56:55,509 INFO L277 CegarLoopResult]: At program point L50(lines 16 51) the Hoare annotation is: true [2020-11-29 23:56:55,509 INFO L274 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2020-11-29 23:56:55,510 INFO L274 CegarLoopResult]: For program point L5-1(line 5) no Hoare annotation was computed. [2020-11-29 23:56:55,510 INFO L274 CegarLoopResult]: For program point L5-2(line 5) no Hoare annotation was computed. [2020-11-29 23:56:55,510 INFO L274 CegarLoopResult]: For program point L5-3(line 5) no Hoare annotation was computed. [2020-11-29 23:56:55,510 INFO L274 CegarLoopResult]: For program point L10(lines 10 12) no Hoare annotation was computed. [2020-11-29 23:56:55,510 INFO L274 CegarLoopResult]: For program point L10-1(lines 10 12) no Hoare annotation was computed. [2020-11-29 23:56:55,510 INFO L274 CegarLoopResult]: For program point L35(lines 35 36) no Hoare annotation was computed. [2020-11-29 23:56:55,517 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:63) [2020-11-29 23:56:55,521 INFO L168 Benchmark]: Toolchain (without parser) took 1411.14 ms. Allocated memory was 79.7 MB in the beginning and 98.6 MB in the end (delta: 18.9 MB). Free memory was 58.6 MB in the beginning and 45.9 MB in the end (delta: 12.7 MB). Peak memory consumption was 31.2 MB. Max. memory is 16.1 GB. [2020-11-29 23:56:55,522 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 79.7 MB. Free memory is still 58.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:56:55,523 INFO L168 Benchmark]: CACSL2BoogieTranslator took 266.34 ms. Allocated memory is still 79.7 MB. Free memory was 58.4 MB in the beginning and 56.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 23:56:55,523 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.90 ms. Allocated memory is still 79.7 MB. Free memory was 56.5 MB in the beginning and 54.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:56:55,524 INFO L168 Benchmark]: Boogie Preprocessor took 57.39 ms. Allocated memory is still 79.7 MB. Free memory was 54.8 MB in the beginning and 53.6 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:56:55,525 INFO L168 Benchmark]: RCFGBuilder took 397.99 ms. Allocated memory was 79.7 MB in the beginning and 98.6 MB in the end (delta: 18.9 MB). Free memory was 53.5 MB in the beginning and 76.9 MB in the end (delta: -23.4 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. [2020-11-29 23:56:55,525 INFO L168 Benchmark]: TraceAbstraction took 643.34 ms. Allocated memory is still 98.6 MB. Free memory was 76.4 MB in the beginning and 45.9 MB in the end (delta: 30.5 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2020-11-29 23:56:55,529 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 79.7 MB. Free memory is still 58.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 266.34 ms. Allocated memory is still 79.7 MB. Free memory was 58.4 MB in the beginning and 56.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 39.90 ms. Allocated memory is still 79.7 MB. Free memory was 56.5 MB in the beginning and 54.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 57.39 ms. Allocated memory is still 79.7 MB. Free memory was 54.8 MB in the beginning and 53.6 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 397.99 ms. Allocated memory was 79.7 MB in the beginning and 98.6 MB in the end (delta: 18.9 MB). Free memory was 53.5 MB in the beginning and 76.9 MB in the end (delta: -23.4 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 643.34 ms. Allocated memory is still 98.6 MB. Free memory was 76.4 MB in the beginning and 45.9 MB in the end (delta: 30.5 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 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 0.2.0-a4ecdab [2020-11-29 23:56:58,066 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:56:58,069 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:56:58,117 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:56:58,118 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:56:58,123 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:56:58,126 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:56:58,130 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:56:58,134 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:56:58,140 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:56:58,141 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:56:58,148 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:56:58,149 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:56:58,152 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:56:58,154 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:56:58,156 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:56:58,157 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:56:58,160 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:56:58,164 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:56:58,171 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:56:58,179 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:56:58,181 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:56:58,183 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:56:58,185 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:56:58,192 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:56:58,195 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:56:58,196 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:56:58,198 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:56:58,199 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:56:58,200 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:56:58,201 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:56:58,202 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:56:58,204 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:56:58,205 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:56:58,206 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:56:58,207 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:56:58,207 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:56:58,208 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:56:58,208 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:56:58,210 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:56:58,211 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:56:58,212 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cc4157f9-21db-4ba6-9caf-856a26a99e01/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-29 23:56:58,255 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:56:58,255 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:56:58,258 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:56:58,258 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:56:58,259 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 23:56:58,259 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:56:58,260 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 23:56:58,260 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 23:56:58,260 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:56:58,261 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 23:56:58,262 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 23:56:58,262 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 23:56:58,262 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-29 23:56:58,263 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-29 23:56:58,263 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 23:56:58,263 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 23:56:58,264 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:56:58,264 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 23:56:58,264 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:56:58,265 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 23:56:58,265 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 23:56:58,265 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 23:56:58,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 23:56:58,266 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:56:58,266 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 23:56:58,266 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 23:56:58,267 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-29 23:56:58,267 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-29 23:56:58,267 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 23:56:58,267 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 23:56:58,300 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 23:56:58,300 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_cc4157f9-21db-4ba6-9caf-856a26a99e01/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_cc4157f9-21db-4ba6-9caf-856a26a99e01/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b909735efeb9bc00b7df4035956af92a753b9076 [2020-11-29 23:56:58,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:56:58,773 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:56:58,776 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:56:58,777 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:56:58,779 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:56:58,779 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cc4157f9-21db-4ba6-9caf-856a26a99e01/bin/uautomizer/../../sv-benchmarks/c/verifythis/elimination_max.c [2020-11-29 23:56:58,864 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cc4157f9-21db-4ba6-9caf-856a26a99e01/bin/uautomizer/data/72617b834/d28cd1793d874eb8b5ec4d73ca03014b/FLAG85239c308 [2020-11-29 23:56:59,351 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:56:59,352 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cc4157f9-21db-4ba6-9caf-856a26a99e01/sv-benchmarks/c/verifythis/elimination_max.c [2020-11-29 23:56:59,360 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cc4157f9-21db-4ba6-9caf-856a26a99e01/bin/uautomizer/data/72617b834/d28cd1793d874eb8b5ec4d73ca03014b/FLAG85239c308 [2020-11-29 23:56:59,720 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cc4157f9-21db-4ba6-9caf-856a26a99e01/bin/uautomizer/data/72617b834/d28cd1793d874eb8b5ec4d73ca03014b [2020-11-29 23:56:59,722 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:56:59,725 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:56:59,729 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:56:59,730 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:56:59,734 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:56:59,735 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:56:59" (1/1) ... [2020-11-29 23:56:59,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@563732af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:59, skipping insertion in model container [2020-11-29 23:56:59,740 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:56:59" (1/1) ... [2020-11-29 23:56:59,747 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:56:59,764 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:56:59,985 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:56:59,998 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 23:57:00,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:57:00,035 INFO L208 MainTranslator]: Completed translation [2020-11-29 23:57:00,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:57:00 WrapperNode [2020-11-29 23:57:00,036 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:57:00,037 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 23:57:00,037 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 23:57:00,038 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 23:57:00,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:57:00" (1/1) ... [2020-11-29 23:57:00,068 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:57:00" (1/1) ... [2020-11-29 23:57:00,106 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 23:57:00,106 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 23:57:00,107 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 23:57:00,107 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 23:57:00,114 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:57:00" (1/1) ... [2020-11-29 23:57:00,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:57:00" (1/1) ... [2020-11-29 23:57:00,118 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:57:00" (1/1) ... [2020-11-29 23:57:00,118 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:57:00" (1/1) ... [2020-11-29 23:57:00,125 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:57:00" (1/1) ... [2020-11-29 23:57:00,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:57:00" (1/1) ... [2020-11-29 23:57:00,131 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:57:00" (1/1) ... [2020-11-29 23:57:00,134 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 23:57:00,135 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 23:57:00,135 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 23:57:00,136 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 23:57:00,136 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:57:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cc4157f9-21db-4ba6-9caf-856a26a99e01/bin/uautomizer/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 [2020-11-29 23:57:00,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-29 23:57:00,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 23:57:00,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-29 23:57:00,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-29 23:57:00,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 23:57:00,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 23:57:00,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 23:57:00,722 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 23:57:00,723 INFO L298 CfgBuilder]: Removed 20 assume(true) statements. [2020-11-29 23:57:00,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:57:00 BoogieIcfgContainer [2020-11-29 23:57:00,725 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 23:57:00,727 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 23:57:00,728 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 23:57:00,730 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 23:57:00,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 11:56:59" (1/3) ... [2020-11-29 23:57:00,732 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e82bc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 11:57:00, skipping insertion in model container [2020-11-29 23:57:00,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:57:00" (2/3) ... [2020-11-29 23:57:00,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e82bc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 11:57:00, skipping insertion in model container [2020-11-29 23:57:00,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:57:00" (3/3) ... [2020-11-29 23:57:00,735 INFO L111 eAbstractionObserver]: Analyzing ICFG elimination_max.c [2020-11-29 23:57:00,745 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 23:57:00,749 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-11-29 23:57:00,760 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-11-29 23:57:00,794 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 23:57:00,794 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 23:57:00,794 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 23:57:00,794 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 23:57:00,794 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 23:57:00,795 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 23:57:00,795 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 23:57:00,795 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 23:57:00,808 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2020-11-29 23:57:00,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-29 23:57:00,813 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:57:00,813 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:57:00,814 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:57:00,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:57:00,820 INFO L82 PathProgramCache]: Analyzing trace with hash -489201995, now seen corresponding path program 1 times [2020-11-29 23:57:00,832 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 23:57:00,832 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [480146254] [2020-11-29 23:57:00,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cc4157f9-21db-4ba6-9caf-856a26a99e01/bin/uautomizer/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 [2020-11-29 23:57:00,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:00,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-29 23:57:00,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:57:00,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:57:00,977 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 23:57:00,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:57:00,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [480146254] [2020-11-29 23:57:00,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:57:00,984 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-29 23:57:00,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435654370] [2020-11-29 23:57:00,989 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 23:57:00,989 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 23:57:01,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 23:57:01,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 23:57:01,004 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 2 states. [2020-11-29 23:57:01,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:57:01,016 INFO L93 Difference]: Finished difference Result 47 states and 62 transitions. [2020-11-29 23:57:01,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 23:57:01,017 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-11-29 23:57:01,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:57:01,024 INFO L225 Difference]: With dead ends: 47 [2020-11-29 23:57:01,025 INFO L226 Difference]: Without dead ends: 20 [2020-11-29 23:57:01,027 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 [2020-11-29 23:57:01,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2020-11-29 23:57:01,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2020-11-29 23:57:01,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-11-29 23:57:01,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2020-11-29 23:57:01,056 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 22 transitions. Word has length 11 [2020-11-29 23:57:01,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:57:01,056 INFO L481 AbstractCegarLoop]: Abstraction has 20 states and 22 transitions. [2020-11-29 23:57:01,056 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 23:57:01,057 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2020-11-29 23:57:01,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-29 23:57:01,057 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:57:01,057 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:57:01,267 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-29 23:57:01,267 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:57:01,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:57:01,270 INFO L82 PathProgramCache]: Analyzing trace with hash 190915957, now seen corresponding path program 1 times [2020-11-29 23:57:01,278 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 23:57:01,278 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2071005344] [2020-11-29 23:57:01,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cc4157f9-21db-4ba6-9caf-856a26a99e01/bin/uautomizer/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 [2020-11-29 23:57:01,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:01,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 16 conjunts are in the unsatisfiable core [2020-11-29 23:57:01,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:57:01,436 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 23:57:01,558 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 23:57:01,559 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 23:57:01,759 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 23 [2020-11-29 23:57:01,764 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 23:57:01,864 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 23:57:01,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:57:01,912 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 23:57:01,991 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 23:57:01,992 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 20 [2020-11-29 23:57:01,996 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:02,002 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 23:57:02,006 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 23:57:02,007 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-29 23:57:02,007 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:11 [2020-11-29 23:57:02,104 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:02,108 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:02,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:57:02,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2071005344] [2020-11-29 23:57:02,265 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:57:02,266 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 7] imperfect sequences [] total 15 [2020-11-29 23:57:02,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383470448] [2020-11-29 23:57:02,267 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-11-29 23:57:02,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 23:57:02,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-11-29 23:57:02,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2020-11-29 23:57:02,268 INFO L87 Difference]: Start difference. First operand 20 states and 22 transitions. Second operand 15 states. [2020-11-29 23:57:02,938 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2020-11-29 23:57:03,237 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 26 [2020-11-29 23:57:03,408 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 26 [2020-11-29 23:57:03,636 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 29 [2020-11-29 23:57:04,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:57:04,134 INFO L93 Difference]: Finished difference Result 42 states and 46 transitions. [2020-11-29 23:57:04,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-29 23:57:04,135 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 11 [2020-11-29 23:57:04,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:57:04,137 INFO L225 Difference]: With dead ends: 42 [2020-11-29 23:57:04,137 INFO L226 Difference]: Without dead ends: 38 [2020-11-29 23:57:04,139 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=173, Invalid=477, Unknown=0, NotChecked=0, Total=650 [2020-11-29 23:57:04,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-11-29 23:57:04,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 28. [2020-11-29 23:57:04,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-11-29 23:57:04,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions. [2020-11-29 23:57:04,146 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 31 transitions. Word has length 11 [2020-11-29 23:57:04,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:57:04,147 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 31 transitions. [2020-11-29 23:57:04,147 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-11-29 23:57:04,147 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2020-11-29 23:57:04,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 23:57:04,148 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:57:04,148 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:57:04,363 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-29 23:57:04,363 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:57:04,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:57:04,363 INFO L82 PathProgramCache]: Analyzing trace with hash -138608584, now seen corresponding path program 1 times [2020-11-29 23:57:04,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 23:57:04,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [558578461] [2020-11-29 23:57:04,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cc4157f9-21db-4ba6-9caf-856a26a99e01/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-29 23:57:04,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:04,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 21 conjunts are in the unsatisfiable core [2020-11-29 23:57:04,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:57:04,514 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 23:57:04,796 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 23:57:04,798 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 23:57:05,052 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-11-29 23:57:05,056 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-29 23:57:05,122 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 23:57:05,125 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 23:57:05,127 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 23:57:05,199 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:57:05,200 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 23:57:05,483 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:05,484 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,045 INFO L350 Elim1Store]: treesize reduction 17, result has 83.0 percent of original size [2020-11-29 23:57:06,045 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 90 [2020-11-29 23:57:06,048 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:06,049 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:06,050 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,052 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:06,053 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:06,054 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,055 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,056 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,057 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:06,059 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,059 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,060 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,062 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,093 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,094 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,095 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,096 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,098 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:06,099 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:06,100 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,102 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:06,103 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:06,104 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,105 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:06,106 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:06,107 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:06,108 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,110 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:06,111 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:06,112 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,114 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:06,115 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:06,116 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,117 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,118 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,118 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:06,119 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,120 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,121 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,122 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,131 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,133 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,134 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,135 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:06,136 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:06,137 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,138 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:06,139 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:06,140 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,142 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:06,143 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:06,143 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,146 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:06,147 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:06,148 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,150 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:06,151 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:06,152 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,153 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:06,154 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:06,155 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,157 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,157 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:06,158 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:06,159 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,161 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:06,162 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:06,163 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,164 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:06,165 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:06,166 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,168 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,168 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:06,169 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,170 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,171 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,172 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,176 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,177 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,178 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,179 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,180 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,181 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,182 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,183 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,184 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,185 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,186 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,189 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,190 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:06,191 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:06,191 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,193 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:06,193 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:06,194 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,196 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:06,196 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:06,197 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,199 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:06,200 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:06,200 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,202 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,206 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,206 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:06,207 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,208 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,208 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,209 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,219 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,220 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,221 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,222 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,223 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:06,224 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:06,224 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,225 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:06,226 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:06,227 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,228 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:06,228 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:06,232 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:06,233 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,235 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:06,236 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:06,236 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,246 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:06,247 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:06,248 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,249 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,251 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,252 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:06,254 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,256 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,257 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,258 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,272 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,274 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,275 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,276 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:06,277 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:06,278 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,279 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:06,279 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:06,280 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,284 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:06,285 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:06,286 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,288 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:06,290 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:06,291 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,293 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:06,294 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:06,294 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,296 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:06,297 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:06,297 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,299 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,300 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:06,301 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:06,301 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,303 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:06,304 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:06,306 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,308 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:06,309 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:06,310 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,312 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,313 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:06,315 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,321 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,322 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,323 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,327 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,329 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,330 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,331 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,332 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,332 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,333 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,334 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,336 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,341 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,346 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,349 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,351 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:06,352 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:06,352 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,354 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:06,354 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:06,355 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:06,356 INFO L545 ElimStorePlain]: Start of recursive call 2: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-11-29 23:57:07,103 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 33 [2020-11-29 23:57:07,104 INFO L625 ElimStorePlain]: treesize reduction 55, result has 48.6 percent of original size [2020-11-29 23:57:07,108 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 23:57:07,109 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:58, output treesize:41 [2020-11-29 23:57:07,317 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:57:07,317 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [558578461] [2020-11-29 23:57:07,317 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 23:57:07,317 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9] total 19 [2020-11-29 23:57:07,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561699920] [2020-11-29 23:57:07,318 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-11-29 23:57:07,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 23:57:07,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-11-29 23:57:07,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2020-11-29 23:57:07,319 INFO L87 Difference]: Start difference. First operand 28 states and 31 transitions. Second operand 19 states. [2020-11-29 23:57:08,826 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 29 [2020-11-29 23:57:09,124 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2020-11-29 23:57:09,320 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 44 [2020-11-29 23:57:10,260 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 49 [2020-11-29 23:57:10,914 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 36 [2020-11-29 23:57:11,257 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-11-29 23:57:11,551 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 39 [2020-11-29 23:57:11,871 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2020-11-29 23:57:16,823 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-11-29 23:57:17,406 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 32 [2020-11-29 23:57:17,693 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 32 [2020-11-29 23:57:17,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:57:17,731 INFO L93 Difference]: Finished difference Result 73 states and 81 transitions. [2020-11-29 23:57:17,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-11-29 23:57:17,732 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 13 [2020-11-29 23:57:17,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:57:17,734 INFO L225 Difference]: With dead ends: 73 [2020-11-29 23:57:17,734 INFO L226 Difference]: Without dead ends: 69 [2020-11-29 23:57:17,735 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 485 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=484, Invalid=1868, Unknown=0, NotChecked=0, Total=2352 [2020-11-29 23:57:17,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-11-29 23:57:17,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 36. [2020-11-29 23:57:17,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-11-29 23:57:17,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 43 transitions. [2020-11-29 23:57:17,749 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 43 transitions. Word has length 13 [2020-11-29 23:57:17,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:57:17,753 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 43 transitions. [2020-11-29 23:57:17,754 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-11-29 23:57:17,754 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 43 transitions. [2020-11-29 23:57:17,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:57:17,755 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:57:17,755 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:57:17,970 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-29 23:57:17,971 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:57:17,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:57:17,971 INFO L82 PathProgramCache]: Analyzing trace with hash -1504072515, now seen corresponding path program 1 times [2020-11-29 23:57:17,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 23:57:17,972 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [238357205] [2020-11-29 23:57:17,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cc4157f9-21db-4ba6-9caf-856a26a99e01/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-29 23:57:18,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:18,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 26 conjunts are in the unsatisfiable core [2020-11-29 23:57:18,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:57:18,135 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 23:57:18,776 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-29 23:57:18,777 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-29 23:57:19,135 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-11-29 23:57:19,137 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-29 23:57:19,240 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 23:57:19,259 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 23:57:19,260 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 23:57:19,363 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:57:19,363 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 23:57:19,769 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:21,432 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2020-11-29 23:57:21,432 INFO L350 Elim1Store]: treesize reduction 17, result has 83.0 percent of original size [2020-11-29 23:57:21,433 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 93 [2020-11-29 23:57:21,434 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:21,435 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,435 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:21,436 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:21,437 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,437 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:21,438 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,439 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:21,439 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,440 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:21,441 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:21,441 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,442 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:21,443 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:21,444 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,444 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:21,445 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,446 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:21,446 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,447 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:21,448 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:21,449 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,449 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:21,450 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:21,451 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,452 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:21,452 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,453 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:21,454 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,454 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:21,456 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:21,457 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,457 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:21,458 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:21,459 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,460 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:21,461 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:21,461 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,462 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:21,463 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:21,463 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,464 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:21,465 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:21,466 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,466 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:21,468 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:21,468 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,469 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:21,470 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:21,470 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,471 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:21,472 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:21,472 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,473 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:21,474 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:21,474 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,475 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:21,476 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:21,484 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,485 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:21,486 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:21,487 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,488 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:21,489 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:21,489 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,490 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:21,491 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,491 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:21,492 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,492 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:21,493 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:21,494 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,495 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:21,495 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:21,496 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,497 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:21,497 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:21,498 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,499 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:21,500 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:21,501 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,501 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:21,503 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:21,503 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,504 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:21,504 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,505 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:21,506 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,506 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:21,507 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:21,508 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,509 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:21,509 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:21,510 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,511 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:21,511 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,512 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:21,513 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,513 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:21,514 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:21,515 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,516 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:21,517 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:21,517 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,518 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:21,518 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,519 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:21,519 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,520 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:21,521 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:21,522 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,522 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:21,523 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:21,524 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,525 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:21,525 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:21,526 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,527 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:21,528 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:21,528 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,529 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:21,530 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:21,530 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,531 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:21,532 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:21,533 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,533 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:21,534 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:21,535 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,535 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:21,536 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:21,537 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,537 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:21,538 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:21,539 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,539 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:21,540 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:21,540 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,541 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:21,542 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:21,543 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,543 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:21,545 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:21,545 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,546 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:21,546 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,547 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:21,547 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,548 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:21,549 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:21,550 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,550 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:21,551 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:21,552 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,552 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:21,553 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 23:57:21,553 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 23:57:21,554 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:57:21,555 INFO L545 ElimStorePlain]: Start of recursive call 2: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-11-29 23:57:21,822 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 39 [2020-11-29 23:57:21,823 INFO L625 ElimStorePlain]: treesize reduction 48, result has 59.3 percent of original size [2020-11-29 23:57:21,865 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 23:57:21,866 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:86, output treesize:60 [2020-11-29 23:57:22,256 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:57:22,257 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [238357205] [2020-11-29 23:57:22,257 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 23:57:22,257 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 23 [2020-11-29 23:57:22,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467755133] [2020-11-29 23:57:22,257 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-11-29 23:57:22,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 23:57:22,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-11-29 23:57:22,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=426, Unknown=0, NotChecked=0, Total=506 [2020-11-29 23:57:22,259 INFO L87 Difference]: Start difference. First operand 36 states and 43 transitions. Second operand 23 states. [2020-11-29 23:57:23,272 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 54 [2020-11-29 23:57:23,868 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2020-11-29 23:57:24,436 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 42 [2020-11-29 23:57:24,951 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2020-11-29 23:57:25,443 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 49 [2020-11-29 23:57:25,699 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 35 [2020-11-29 23:57:26,207 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2020-11-29 23:57:26,631 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2020-11-29 23:57:27,242 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2020-11-29 23:57:27,788 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 55 [2020-11-29 23:57:28,148 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 35 [2020-11-29 23:57:28,646 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2020-11-29 23:57:29,510 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 52 [2020-11-29 23:57:30,059 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 39 [2020-11-29 23:57:30,910 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 65 [2020-11-29 23:57:31,295 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-11-29 23:57:31,855 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2020-11-29 23:57:32,478 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 55 [2020-11-29 23:57:33,939 WARN L193 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 55 [2020-11-29 23:57:34,310 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2020-11-29 23:57:34,978 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2020-11-29 23:57:35,348 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-11-29 23:57:37,841 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2020-11-29 23:57:38,872 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 42 [2020-11-29 23:57:41,616 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 50 [2020-11-29 23:57:42,755 WARN L193 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 45 [2020-11-29 23:57:43,136 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2020-11-29 23:57:43,680 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 47 [2020-11-29 23:57:44,242 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2020-11-29 23:57:44,739 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-11-29 23:57:45,187 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 50 [2020-11-29 23:57:45,496 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2020-11-29 23:57:45,920 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2020-11-29 23:57:46,475 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2020-11-29 23:57:47,180 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 42 [2020-11-29 23:57:47,851 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 42 [2020-11-29 23:57:47,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:57:47,898 INFO L93 Difference]: Finished difference Result 95 states and 108 transitions. [2020-11-29 23:57:47,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-11-29 23:57:47,900 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 15 [2020-11-29 23:57:47,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:57:47,901 INFO L225 Difference]: With dead ends: 95 [2020-11-29 23:57:47,901 INFO L226 Difference]: Without dead ends: 91 [2020-11-29 23:57:47,913 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 995 ImplicationChecksByTransitivity, 21.9s TimeCoverageRelationStatistics Valid=808, Invalid=3352, Unknown=0, NotChecked=0, Total=4160 [2020-11-29 23:57:47,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-11-29 23:57:47,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 41. [2020-11-29 23:57:47,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-11-29 23:57:47,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 53 transitions. [2020-11-29 23:57:47,923 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 53 transitions. Word has length 15 [2020-11-29 23:57:47,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:57:47,923 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 53 transitions. [2020-11-29 23:57:47,923 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-11-29 23:57:47,923 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 53 transitions. [2020-11-29 23:57:47,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:57:47,924 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:57:47,924 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:57:48,136 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-29 23:57:48,137 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:57:48,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:57:48,137 INFO L82 PathProgramCache]: Analyzing trace with hash 1695945789, now seen corresponding path program 2 times [2020-11-29 23:57:48,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 23:57:48,138 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1896985850] [2020-11-29 23:57:48,138 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cc4157f9-21db-4ba6-9caf-856a26a99e01/bin/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-11-29 23:57:48,187 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2020-11-29 23:57:48,187 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-29 23:57:48,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-29 23:57:48,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:57:48,208 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 [2020-11-29 23:57:48,208 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 23:57:48,211 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 23:57:48,211 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-29 23:57:48,211 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:7, output treesize:6 [2020-11-29 23:57:48,222 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 23:57:48,248 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 23:57:48,249 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 23:57:56,413 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 23:57:56,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1896985850] [2020-11-29 23:57:56,414 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:57:56,414 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-11-29 23:57:56,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275965305] [2020-11-29 23:57:56,414 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-29 23:57:56,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 23:57:56,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-29 23:57:56,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=36, Unknown=4, NotChecked=0, Total=56 [2020-11-29 23:57:56,415 INFO L87 Difference]: Start difference. First operand 41 states and 53 transitions. Second operand 8 states. [2020-11-29 23:57:58,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:57:58,506 INFO L93 Difference]: Finished difference Result 41 states and 53 transitions. [2020-11-29 23:57:58,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 23:57:58,506 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 15 [2020-11-29 23:57:58,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:57:58,506 INFO L225 Difference]: With dead ends: 41 [2020-11-29 23:57:58,506 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 23:57:58,507 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 10.1s TimeCoverageRelationStatistics Valid=31, Invalid=54, Unknown=5, NotChecked=0, Total=90 [2020-11-29 23:57:58,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 23:57:58,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 23:57:58,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 23:57:58,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 23:57:58,507 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2020-11-29 23:57:58,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:57:58,507 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 23:57:58,507 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-29 23:57:58,507 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 23:57:58,507 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 23:57:58,708 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-29 23:57:58,709 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 23:57:58,972 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 163 [2020-11-29 23:58:00,503 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 159 DAG size of output: 46 [2020-11-29 23:58:00,519 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 (bvslt ULTIMATE.start_main_~n~0 (_ bv1073741824 32)) (bvsge ULTIMATE.start_main_~n~0 (_ bv0 32)) (= (_ bv1 32) ULTIMATE.start_assume_abort_if_not_~cond) (= (select |#memory_int| ULTIMATE.start_main_~a~0.base) .cse0) (= (_ bv0 32) |ULTIMATE.start_main_#t~malloc9.offset|) (= .cse0 (select |#memory_int| |ULTIMATE.start_main_#t~malloc9.base|)))) [2020-11-29 23:58:00,519 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2020-11-29 23:58:00,519 INFO L274 CegarLoopResult]: For program point L11(line 11) no Hoare annotation was computed. [2020-11-29 23:58:00,519 INFO L274 CegarLoopResult]: For program point L11-2(line 11) no Hoare annotation was computed. [2020-11-29 23:58:00,519 INFO L274 CegarLoopResult]: For program point L7(lines 7 9) no Hoare annotation was computed. [2020-11-29 23:58:00,519 INFO L274 CegarLoopResult]: For program point L7-1(lines 7 9) no Hoare annotation was computed. [2020-11-29 23:58:00,520 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 23:58:00,520 INFO L274 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed. [2020-11-29 23:58:00,520 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 23:58:00,520 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 23:58:00,520 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2020-11-29 23:58:00,520 INFO L274 CegarLoopResult]: For program point L45-2(lines 45 47) no Hoare annotation was computed. [2020-11-29 23:58:00,520 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 (bvslt ULTIMATE.start_main_~n~0 (_ bv1073741824 32)) (bvsge ULTIMATE.start_main_~n~0 (_ bv0 32)) (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) (= (select |#memory_int| ULTIMATE.start_main_~a~0.base) .cse0) (= (_ bv0 32) |ULTIMATE.start_main_#t~malloc9.offset|) (or (bvslt (bvadd ULTIMATE.start_main_~x~0 (_ bv1 32)) (bvadd ULTIMATE.start_main_~y~0 (_ bv4294967295 32))) (not (bvslt ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~y~0)) (forall ((v_ULTIMATE.start_main_~i~0_14 (_ BitVec 32))) (let ((.cse1 (bvmul ULTIMATE.start_main_~x~0 (_ bv4 32))) (.cse2 (bvmul v_ULTIMATE.start_main_~i~0_14 (_ bv4 32)))) (or (not (bvslt v_ULTIMATE.start_main_~i~0_14 ULTIMATE.start_main_~n~0)) (not (bvsle (_ bv0 32) v_ULTIMATE.start_main_~i~0_14)) (= .cse1 .cse2) (= .cse2 (bvmul ULTIMATE.start_main_~y~0 (_ bv4 32))) (= (bvadd .cse1 (_ bv4 32)) .cse2))))) (= .cse0 (select |#memory_int| |ULTIMATE.start_main_#t~malloc9.base|)))) [2020-11-29 23:58:00,520 INFO L274 CegarLoopResult]: For program point L45-4(lines 45 47) no Hoare annotation was computed. [2020-11-29 23:58:00,520 INFO L274 CegarLoopResult]: For program point L8(line 8) no Hoare annotation was computed. [2020-11-29 23:58:00,520 INFO L274 CegarLoopResult]: For program point L8-2(line 8) no Hoare annotation was computed. [2020-11-29 23:58:00,520 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 23:58:00,520 INFO L274 CegarLoopResult]: For program point L25-2(lines 25 37) no Hoare annotation was computed. [2020-11-29 23:58:00,521 INFO L277 CegarLoopResult]: At program point L50(lines 16 51) the Hoare annotation is: true [2020-11-29 23:58:00,521 INFO L274 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2020-11-29 23:58:00,521 INFO L274 CegarLoopResult]: For program point L5-1(line 5) no Hoare annotation was computed. [2020-11-29 23:58:00,521 INFO L274 CegarLoopResult]: For program point L5-2(line 5) no Hoare annotation was computed. [2020-11-29 23:58:00,521 INFO L274 CegarLoopResult]: For program point L5-3(line 5) no Hoare annotation was computed. [2020-11-29 23:58:00,521 INFO L274 CegarLoopResult]: For program point L10(lines 10 12) no Hoare annotation was computed. [2020-11-29 23:58:00,521 INFO L274 CegarLoopResult]: For program point L10-1(lines 10 12) no Hoare annotation was computed. [2020-11-29 23:58:00,521 INFO L274 CegarLoopResult]: For program point L35(lines 35 36) no Hoare annotation was computed. [2020-11-29 23:58:00,525 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:63) [2020-11-29 23:58:00,528 INFO L168 Benchmark]: Toolchain (without parser) took 60803.03 ms. Allocated memory was 77.6 MB in the beginning and 121.6 MB in the end (delta: 44.0 MB). Free memory was 44.1 MB in the beginning and 96.6 MB in the end (delta: -52.4 MB). Peak memory consumption was 55.3 MB. Max. memory is 16.1 GB. [2020-11-29 23:58:00,528 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 77.6 MB. Free memory was 60.7 MB in the beginning and 60.6 MB in the end (delta: 65.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:58:00,529 INFO L168 Benchmark]: CACSL2BoogieTranslator took 307.22 ms. Allocated memory is still 77.6 MB. Free memory was 43.9 MB in the beginning and 54.2 MB in the end (delta: -10.3 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. [2020-11-29 23:58:00,529 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.61 ms. Allocated memory is still 77.6 MB. Free memory was 54.0 MB in the beginning and 61.9 MB in the end (delta: -7.9 MB). Peak memory consumption was 2.5 MB. Max. memory is 16.1 GB. [2020-11-29 23:58:00,530 INFO L168 Benchmark]: Boogie Preprocessor took 28.22 ms. Allocated memory is still 77.6 MB. Free memory was 61.9 MB in the beginning and 60.7 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:58:00,530 INFO L168 Benchmark]: RCFGBuilder took 590.02 ms. Allocated memory is still 77.6 MB. Free memory was 60.5 MB in the beginning and 44.5 MB in the end (delta: 16.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-29 23:58:00,531 INFO L168 Benchmark]: TraceAbstraction took 59799.35 ms. Allocated memory was 77.6 MB in the beginning and 121.6 MB in the end (delta: 44.0 MB). Free memory was 44.1 MB in the beginning and 96.6 MB in the end (delta: -52.4 MB). Peak memory consumption was 54.9 MB. Max. memory is 16.1 GB. [2020-11-29 23:58:00,534 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 77.6 MB. Free memory was 60.7 MB in the beginning and 60.6 MB in the end (delta: 65.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 307.22 ms. Allocated memory is still 77.6 MB. Free memory was 43.9 MB in the beginning and 54.2 MB in the end (delta: -10.3 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 68.61 ms. Allocated memory is still 77.6 MB. Free memory was 54.0 MB in the beginning and 61.9 MB in the end (delta: -7.9 MB). Peak memory consumption was 2.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 28.22 ms. Allocated memory is still 77.6 MB. Free memory was 61.9 MB in the beginning and 60.7 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 590.02 ms. Allocated memory is still 77.6 MB. Free memory was 60.5 MB in the beginning and 44.5 MB in the end (delta: 16.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 59799.35 ms. Allocated memory was 77.6 MB in the beginning and 121.6 MB in the end (delta: 44.0 MB). Free memory was 44.1 MB in the beginning and 96.6 MB in the end (delta: -52.4 MB). Peak memory consumption was 54.9 MB. Max. memory is 16.1 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...