./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound2.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_25bbdd0b-0d10-4b02-bf34-dd30fdf90fc3/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_25bbdd0b-0d10-4b02-bf34-dd30fdf90fc3/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_25bbdd0b-0d10-4b02-bf34-dd30fdf90fc3/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_25bbdd0b-0d10-4b02-bf34-dd30fdf90fc3/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_25bbdd0b-0d10-4b02-bf34-dd30fdf90fc3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_25bbdd0b-0d10-4b02-bf34-dd30fdf90fc3/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 1b2717e5ac522d385ef548b8caf01421a2c4872b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:02:48,683 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:02:48,686 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:02:48,749 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:02:48,749 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:02:48,755 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:02:48,757 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:02:48,761 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:02:48,764 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:02:48,770 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:02:48,771 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:02:48,774 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:02:48,774 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:02:48,778 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:02:48,780 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:02:48,782 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:02:48,784 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:02:48,787 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:02:48,791 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:02:48,799 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:02:48,801 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:02:48,803 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:02:48,805 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:02:48,806 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:02:48,815 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:02:48,816 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:02:48,816 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:02:48,818 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:02:48,819 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:02:48,821 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:02:48,821 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:02:48,822 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:02:48,824 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:02:48,825 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:02:48,827 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:02:48,827 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:02:48,828 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:02:48,828 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:02:48,828 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:02:48,831 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:02:48,832 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:02:48,836 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_25bbdd0b-0d10-4b02-bf34-dd30fdf90fc3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:02:48,873 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:02:48,873 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:02:48,874 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:02:48,875 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:02:48,875 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:02:48,875 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:02:48,875 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:02:48,875 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:02:48,876 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:02:48,876 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:02:48,876 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:02:48,876 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:02:48,876 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:02:48,877 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:02:48,877 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:02:48,877 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:02:48,877 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:02:48,878 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:02:48,878 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:02:48,878 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:02:48,878 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:02:48,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:02:48,879 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:02:48,879 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:02:48,879 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:02:48,879 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:02:48,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:02:48,880 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:02:48,880 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:02:48,880 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_25bbdd0b-0d10-4b02-bf34-dd30fdf90fc3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_25bbdd0b-0d10-4b02-bf34-dd30fdf90fc3/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b2717e5ac522d385ef548b8caf01421a2c4872b [2020-11-28 03:02:49,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:02:49,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:02:49,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:02:49,153 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:02:49,156 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:02:49,157 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_25bbdd0b-0d10-4b02-bf34-dd30fdf90fc3/bin/uautomizer/../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound2.c [2020-11-28 03:02:49,241 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_25bbdd0b-0d10-4b02-bf34-dd30fdf90fc3/bin/uautomizer/data/9cd3555bb/bb94e07574884fea9797e4cef53d23bb/FLAG029b85bdb [2020-11-28 03:02:49,721 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:02:49,721 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_25bbdd0b-0d10-4b02-bf34-dd30fdf90fc3/sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound2.c [2020-11-28 03:02:49,728 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_25bbdd0b-0d10-4b02-bf34-dd30fdf90fc3/bin/uautomizer/data/9cd3555bb/bb94e07574884fea9797e4cef53d23bb/FLAG029b85bdb [2020-11-28 03:02:50,111 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_25bbdd0b-0d10-4b02-bf34-dd30fdf90fc3/bin/uautomizer/data/9cd3555bb/bb94e07574884fea9797e4cef53d23bb [2020-11-28 03:02:50,114 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:02:50,115 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:02:50,118 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:02:50,119 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:02:50,122 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:02:50,122 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:02:50" (1/1) ... [2020-11-28 03:02:50,124 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b61f544 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:50, skipping insertion in model container [2020-11-28 03:02:50,124 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:02:50" (1/1) ... [2020-11-28 03:02:50,134 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:02:50,148 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:02:50,339 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:02:50,349 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:02:50,375 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:02:50,400 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:02:50,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:50 WrapperNode [2020-11-28 03:02:50,402 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:02:50,405 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:02:50,405 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:02:50,406 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:02:50,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:50" (1/1) ... [2020-11-28 03:02:50,427 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:50" (1/1) ... [2020-11-28 03:02:50,447 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:02:50,449 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:02:50,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:02:50,450 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:02:50,460 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:50" (1/1) ... [2020-11-28 03:02:50,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:50" (1/1) ... [2020-11-28 03:02:50,461 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:50" (1/1) ... [2020-11-28 03:02:50,461 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:50" (1/1) ... [2020-11-28 03:02:50,465 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:50" (1/1) ... [2020-11-28 03:02:50,469 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:50" (1/1) ... [2020-11-28 03:02:50,471 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:50" (1/1) ... [2020-11-28 03:02:50,472 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:02:50,474 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:02:50,474 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:02:50,474 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:02:50,475 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_25bbdd0b-0d10-4b02-bf34-dd30fdf90fc3/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 [2020-11-28 03:02:50,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:02:50,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:02:50,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:02:50,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:02:50,914 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:02:50,915 INFO L298 CfgBuilder]: Removed 17 assume(true) statements. [2020-11-28 03:02:50,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:02:50 BoogieIcfgContainer [2020-11-28 03:02:50,916 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:02:50,918 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:02:50,918 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:02:50,922 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:02:50,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:02:50" (1/3) ... [2020-11-28 03:02:50,923 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31b6943 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:02:50, skipping insertion in model container [2020-11-28 03:02:50,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:50" (2/3) ... [2020-11-28 03:02:50,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31b6943 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:02:50, skipping insertion in model container [2020-11-28 03:02:50,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:02:50" (3/3) ... [2020-11-28 03:02:50,925 INFO L111 eAbstractionObserver]: Analyzing ICFG mannadiv_unwindbound2.c [2020-11-28 03:02:50,936 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:02:50,941 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-11-28 03:02:50,951 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-11-28 03:02:50,976 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:02:50,976 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:02:50,976 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:02:50,976 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:02:50,976 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:02:50,977 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:02:50,977 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:02:50,977 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:02:50,996 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2020-11-28 03:02:51,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 03:02:51,002 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:02:51,003 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:02:51,004 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:02:51,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:02:51,011 INFO L82 PathProgramCache]: Analyzing trace with hash -1235309937, now seen corresponding path program 1 times [2020-11-28 03:02:51,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:02:51,021 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427564173] [2020-11-28 03:02:51,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:02:51,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:02:51,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:02:51,161 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427564173] [2020-11-28 03:02:51,162 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:02:51,162 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:02:51,164 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350087967] [2020-11-28 03:02:51,168 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 03:02:51,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:02:51,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 03:02:51,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:02:51,192 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 2 states. [2020-11-28 03:02:51,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:02:51,221 INFO L93 Difference]: Finished difference Result 39 states and 52 transitions. [2020-11-28 03:02:51,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:02:51,223 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-11-28 03:02:51,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:02:51,232 INFO L225 Difference]: With dead ends: 39 [2020-11-28 03:02:51,232 INFO L226 Difference]: Without dead ends: 17 [2020-11-28 03:02:51,235 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 [2020-11-28 03:02:51,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2020-11-28 03:02:51,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2020-11-28 03:02:51,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-11-28 03:02:51,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2020-11-28 03:02:51,281 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 10 [2020-11-28 03:02:51,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:02:51,282 INFO L481 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2020-11-28 03:02:51,282 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 03:02:51,282 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2020-11-28 03:02:51,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 03:02:51,283 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:02:51,283 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:02:51,283 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:02:51,284 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:02:51,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:02:51,285 INFO L82 PathProgramCache]: Analyzing trace with hash -1988288018, now seen corresponding path program 1 times [2020-11-28 03:02:51,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:02:51,286 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511668535] [2020-11-28 03:02:51,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:02:51,322 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-28 03:02:51,322 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [342716425] [2020-11-28 03:02:51,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_25bbdd0b-0d10-4b02-bf34-dd30fdf90fc3/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:02:51,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:02:51,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 14 conjunts are in the unsatisfiable core [2020-11-28 03:02:51,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:02:51,478 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-11-28 03:02:51,479 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:02:51,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:02:51,549 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511668535] [2020-11-28 03:02:51,549 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-28 03:02:51,549 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [342716425] [2020-11-28 03:02:51,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:02:51,550 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 03:02:51,550 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107310095] [2020-11-28 03:02:51,551 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 03:02:51,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:02:51,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:02:51,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:02:51,553 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. Second operand 6 states. [2020-11-28 03:02:51,831 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 15 [2020-11-28 03:02:52,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:02:52,027 INFO L93 Difference]: Finished difference Result 32 states and 37 transitions. [2020-11-28 03:02:52,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 03:02:52,028 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2020-11-28 03:02:52,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:02:52,029 INFO L225 Difference]: With dead ends: 32 [2020-11-28 03:02:52,029 INFO L226 Difference]: Without dead ends: 30 [2020-11-28 03:02:52,030 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-11-28 03:02:52,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-11-28 03:02:52,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 20. [2020-11-28 03:02:52,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-11-28 03:02:52,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2020-11-28 03:02:52,036 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 10 [2020-11-28 03:02:52,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:02:52,037 INFO L481 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2020-11-28 03:02:52,040 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 03:02:52,040 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2020-11-28 03:02:52,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 03:02:52,041 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:02:52,041 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:02:52,265 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-11-28 03:02:52,265 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:02:52,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:02:52,266 INFO L82 PathProgramCache]: Analyzing trace with hash -1507423092, now seen corresponding path program 1 times [2020-11-28 03:02:52,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:02:52,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008631263] [2020-11-28 03:02:52,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:02:52,282 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-28 03:02:52,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1158838818] [2020-11-28 03:02:52,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_25bbdd0b-0d10-4b02-bf34-dd30fdf90fc3/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:02:52,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:02:52,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-28 03:02:52,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:02:52,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:02:52,405 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008631263] [2020-11-28 03:02:52,406 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-28 03:02:52,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1158838818] [2020-11-28 03:02:52,406 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:02:52,406 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:02:52,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668823332] [2020-11-28 03:02:52,407 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:02:52,407 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:02:52,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:02:52,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:02:52,408 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. Second operand 4 states. [2020-11-28 03:02:52,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:02:52,435 INFO L93 Difference]: Finished difference Result 24 states and 26 transitions. [2020-11-28 03:02:52,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:02:52,437 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-11-28 03:02:52,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:02:52,437 INFO L225 Difference]: With dead ends: 24 [2020-11-28 03:02:52,438 INFO L226 Difference]: Without dead ends: 20 [2020-11-28 03:02:52,438 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:02:52,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2020-11-28 03:02:52,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2020-11-28 03:02:52,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-11-28 03:02:52,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2020-11-28 03:02:52,443 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 22 transitions. Word has length 11 [2020-11-28 03:02:52,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:02:52,443 INFO L481 AbstractCegarLoop]: Abstraction has 20 states and 22 transitions. [2020-11-28 03:02:52,443 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:02:52,443 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2020-11-28 03:02:52,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-28 03:02:52,444 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:02:52,444 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:02:52,644 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:02:52,645 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:02:52,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:02:52,646 INFO L82 PathProgramCache]: Analyzing trace with hash -1188504123, now seen corresponding path program 1 times [2020-11-28 03:02:52,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:02:52,646 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557285272] [2020-11-28 03:02:52,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:02:52,672 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-28 03:02:52,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1243671640] [2020-11-28 03:02:52,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_25bbdd0b-0d10-4b02-bf34-dd30fdf90fc3/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:02:52,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:02:52,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 10 conjunts are in the unsatisfiable core [2020-11-28 03:02:52,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:02:52,765 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-11-28 03:02:52,765 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:02:52,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:02:52,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557285272] [2020-11-28 03:02:52,850 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-28 03:02:52,850 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1243671640] [2020-11-28 03:02:52,850 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:02:52,850 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 03:02:52,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762851081] [2020-11-28 03:02:52,851 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 03:02:52,851 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:02:52,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:02:52,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:02:52,852 INFO L87 Difference]: Start difference. First operand 20 states and 22 transitions. Second operand 6 states. [2020-11-28 03:02:55,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:02:55,082 INFO L93 Difference]: Finished difference Result 27 states and 29 transitions. [2020-11-28 03:02:55,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:02:55,083 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2020-11-28 03:02:55,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:02:55,084 INFO L225 Difference]: With dead ends: 27 [2020-11-28 03:02:55,084 INFO L226 Difference]: Without dead ends: 21 [2020-11-28 03:02:55,085 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-28 03:02:55,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-11-28 03:02:55,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 17. [2020-11-28 03:02:55,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-11-28 03:02:55,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2020-11-28 03:02:55,089 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 13 [2020-11-28 03:02:55,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:02:55,093 INFO L481 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2020-11-28 03:02:55,093 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 03:02:55,094 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2020-11-28 03:02:55,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 03:02:55,095 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:02:55,095 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:02:55,300 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:02:55,301 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:02:55,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:02:55,301 INFO L82 PathProgramCache]: Analyzing trace with hash -1768635143, now seen corresponding path program 1 times [2020-11-28 03:02:55,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:02:55,302 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673368515] [2020-11-28 03:02:55,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:02:55,322 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-28 03:02:55,325 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [400405960] [2020-11-28 03:02:55,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_25bbdd0b-0d10-4b02-bf34-dd30fdf90fc3/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:02:55,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:02:55,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 03:02:55,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:02:55,458 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:02:55,458 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673368515] [2020-11-28 03:02:55,458 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-28 03:02:55,459 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [400405960] [2020-11-28 03:02:55,459 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:02:55,459 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-11-28 03:02:55,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502040005] [2020-11-28 03:02:55,459 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:02:55,460 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:02:55,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:02:55,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:02:55,460 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand 5 states. [2020-11-28 03:02:55,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:02:55,508 INFO L93 Difference]: Finished difference Result 26 states and 28 transitions. [2020-11-28 03:02:55,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:02:55,512 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-11-28 03:02:55,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:02:55,512 INFO L225 Difference]: With dead ends: 26 [2020-11-28 03:02:55,512 INFO L226 Difference]: Without dead ends: 22 [2020-11-28 03:02:55,513 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:02:55,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2020-11-28 03:02:55,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2020-11-28 03:02:55,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-11-28 03:02:55,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2020-11-28 03:02:55,522 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 24 transitions. Word has length 16 [2020-11-28 03:02:55,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:02:55,522 INFO L481 AbstractCegarLoop]: Abstraction has 22 states and 24 transitions. [2020-11-28 03:02:55,522 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:02:55,523 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2020-11-28 03:02:55,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-28 03:02:55,525 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:02:55,525 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:02:55,736 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:02:55,736 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:02:55,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:02:55,737 INFO L82 PathProgramCache]: Analyzing trace with hash 71944364, now seen corresponding path program 2 times [2020-11-28 03:02:55,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:02:55,737 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198320914] [2020-11-28 03:02:55,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:02:55,750 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-28 03:02:55,751 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1406956388] [2020-11-28 03:02:55,751 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_25bbdd0b-0d10-4b02-bf34-dd30fdf90fc3/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:02:55,815 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-28 03:02:55,815 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2020-11-28 03:02:55,816 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:02:55,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:02:55,833 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:02:55,857 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:02:55,857 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 03:02:56,081 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-11-28 03:02:56,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:02:56 BoogieIcfgContainer [2020-11-28 03:02:56,118 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:02:56,121 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:02:56,121 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:02:56,121 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:02:56,122 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:02:50" (3/4) ... [2020-11-28 03:02:56,124 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 03:02:56,176 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_25bbdd0b-0d10-4b02-bf34-dd30fdf90fc3/bin/uautomizer/witness.graphml [2020-11-28 03:02:56,176 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:02:56,177 INFO L168 Benchmark]: Toolchain (without parser) took 6061.61 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 63.0 MB in the beginning and 53.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 26.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:02:56,178 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 92.3 MB. Free memory was 51.9 MB in the beginning and 51.8 MB in the end (delta: 43.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:02:56,179 INFO L168 Benchmark]: CACSL2BoogieTranslator took 283.66 ms. Allocated memory is still 92.3 MB. Free memory was 62.8 MB in the beginning and 69.4 MB in the end (delta: -6.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:02:56,180 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.11 ms. Allocated memory is still 92.3 MB. Free memory was 69.4 MB in the beginning and 68.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:02:56,180 INFO L168 Benchmark]: Boogie Preprocessor took 23.52 ms. Allocated memory is still 92.3 MB. Free memory was 68.1 MB in the beginning and 67.0 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:02:56,181 INFO L168 Benchmark]: RCFGBuilder took 442.99 ms. Allocated memory is still 92.3 MB. Free memory was 66.6 MB in the beginning and 53.7 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:02:56,182 INFO L168 Benchmark]: TraceAbstraction took 5199.94 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 53.4 MB in the beginning and 56.7 MB in the end (delta: -3.3 MB). Peak memory consumption was 17.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:02:56,183 INFO L168 Benchmark]: Witness Printer took 55.29 ms. Allocated memory is still 111.1 MB. Free memory was 55.8 MB in the beginning and 53.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:02:56,187 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 92.3 MB. Free memory was 51.9 MB in the beginning and 51.8 MB in the end (delta: 43.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 283.66 ms. Allocated memory is still 92.3 MB. Free memory was 62.8 MB in the beginning and 69.4 MB in the end (delta: -6.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.11 ms. Allocated memory is still 92.3 MB. Free memory was 69.4 MB in the beginning and 68.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 23.52 ms. Allocated memory is still 92.3 MB. Free memory was 68.1 MB in the beginning and 67.0 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 442.99 ms. Allocated memory is still 92.3 MB. Free memory was 66.6 MB in the beginning and 53.7 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5199.94 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 53.4 MB in the beginning and 56.7 MB in the end (delta: -3.3 MB). Peak memory consumption was 17.1 MB. Max. memory is 16.1 GB. * Witness Printer took 55.29 ms. Allocated memory is still 111.1 MB. Free memory was 55.8 MB in the beginning and 53.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 9]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L22] int counter = 0; VAL [counter=0] [L24] int x1, x2; [L25] int y1, y2, y3; [L26] x1 = __VERIFIER_nondet_int() [L27] x2 = __VERIFIER_nondet_int() [L13] COND FALSE !(!cond) VAL [counter=0] [L13] COND FALSE !(!cond) VAL [counter=0] [L32] y1 = 0 [L33] y2 = 0 [L34] y3 = x1 VAL [counter=0] [L36] EXPR counter++ VAL [counter=1] [L36] COND TRUE counter++<2 [L16] COND FALSE !(!(cond)) VAL [counter=1] [L39] COND FALSE !(!(y3 != 0)) VAL [counter=1] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [counter=1] [L36] EXPR counter++ VAL [counter=2] [L36] COND TRUE counter++<2 [L16] COND FALSE !(!(cond)) VAL [counter=2] [L39] COND FALSE !(!(y3 != 0)) VAL [counter=2] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [counter=2] [L36] EXPR counter++ VAL [counter=3] [L36] COND FALSE !(counter++<2) [L16] COND TRUE !(cond) VAL [counter=3] [L9] __assert_fail("0", "mannadiv.c", 9, "reach_error") VAL [counter=3] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 21 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.1s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 80 SDtfs, 79 SDslu, 101 SDs, 0 SdLazy, 82 SolverSat, 23 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 14 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 81 NumberOfCodeBlocks, 81 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 55 ConstructedInterpolants, 0 QuantifiedInterpolants, 2025 SizeOfPredicates, 19 NumberOfNonLiveVariables, 302 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 0/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...