./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ef201cd54bcdc81a1760f6e60d88bd9cc04c6c00c0d7306b10fb5fb0b61b4e06 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 20:24:44,784 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 20:24:44,786 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 20:24:44,808 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 20:24:44,809 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 20:24:44,810 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 20:24:44,811 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 20:24:44,813 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 20:24:44,814 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 20:24:44,815 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 20:24:44,816 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 20:24:44,817 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 20:24:44,817 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 20:24:44,818 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 20:24:44,819 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 20:24:44,820 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 20:24:44,821 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 20:24:44,822 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 20:24:44,824 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 20:24:44,826 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 20:24:44,827 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 20:24:44,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 20:24:44,829 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 20:24:44,830 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 20:24:44,832 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 20:24:44,833 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 20:24:44,833 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 20:24:44,834 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 20:24:44,834 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 20:24:44,835 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 20:24:44,835 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 20:24:44,836 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 20:24:44,836 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 20:24:44,837 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 20:24:44,838 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 20:24:44,838 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 20:24:44,838 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 20:24:44,839 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 20:24:44,839 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 20:24:44,839 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 20:24:44,840 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 20:24:44,840 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/config/svcomp-Overflow-64bit-Automizer_Default.epf [2021-12-06 20:24:44,859 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 20:24:44,859 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 20:24:44,859 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 20:24:44,859 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 20:24:44,860 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 20:24:44,860 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 20:24:44,860 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 20:24:44,861 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 20:24:44,861 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 20:24:44,861 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 20:24:44,861 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 20:24:44,861 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 20:24:44,861 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 20:24:44,861 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 20:24:44,861 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 20:24:44,862 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 20:24:44,862 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-12-06 20:24:44,862 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 20:24:44,862 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 20:24:44,862 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 20:24:44,862 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 20:24:44,862 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 20:24:44,863 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 20:24:44,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 20:24:44,863 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 20:24:44,863 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 20:24:44,863 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 20:24:44,863 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 20:24:44,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 20:24:44,864 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 20:24:44,864 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 20:24:44,864 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_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef201cd54bcdc81a1760f6e60d88bd9cc04c6c00c0d7306b10fb5fb0b61b4e06 [2021-12-06 20:24:45,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 20:24:45,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 20:24:45,070 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 20:24:45,071 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 20:24:45,072 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 20:24:45,073 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c [2021-12-06 20:24:45,116 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/data/7915aacc9/04a9afbd967a4f1f8267da579fc1f062/FLAG103903177 [2021-12-06 20:24:45,511 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 20:24:45,511 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c [2021-12-06 20:24:45,516 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/data/7915aacc9/04a9afbd967a4f1f8267da579fc1f062/FLAG103903177 [2021-12-06 20:24:45,525 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/data/7915aacc9/04a9afbd967a4f1f8267da579fc1f062 [2021-12-06 20:24:45,527 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 20:24:45,528 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 20:24:45,529 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 20:24:45,529 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 20:24:45,531 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 20:24:45,532 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:24:45" (1/1) ... [2021-12-06 20:24:45,533 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17f6e4fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:24:45, skipping insertion in model container [2021-12-06 20:24:45,533 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:24:45" (1/1) ... [2021-12-06 20:24:45,538 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 20:24:45,547 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 20:24:45,642 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:24:45,645 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 20:24:45,656 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:24:45,664 INFO L208 MainTranslator]: Completed translation [2021-12-06 20:24:45,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:24:45 WrapperNode [2021-12-06 20:24:45,664 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 20:24:45,666 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 20:24:45,666 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 20:24:45,666 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 20:24:45,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:24:45" (1/1) ... [2021-12-06 20:24:45,677 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:24:45" (1/1) ... [2021-12-06 20:24:45,694 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 40 [2021-12-06 20:24:45,695 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 20:24:45,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 20:24:45,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 20:24:45,696 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 20:24:45,704 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:24:45" (1/1) ... [2021-12-06 20:24:45,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:24:45" (1/1) ... [2021-12-06 20:24:45,705 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:24:45" (1/1) ... [2021-12-06 20:24:45,705 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:24:45" (1/1) ... [2021-12-06 20:24:45,707 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:24:45" (1/1) ... [2021-12-06 20:24:45,711 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:24:45" (1/1) ... [2021-12-06 20:24:45,712 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:24:45" (1/1) ... [2021-12-06 20:24:45,713 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 20:24:45,714 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 20:24:45,714 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 20:24:45,714 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 20:24:45,715 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:24:45" (1/1) ... [2021-12-06 20:24:45,721 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 20:24:45,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:24:45,742 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 20:24:45,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 20:24:45,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 20:24:45,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 20:24:45,834 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 20:24:45,835 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 20:24:45,919 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 20:24:45,927 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 20:24:45,927 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 20:24:45,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:24:45 BoogieIcfgContainer [2021-12-06 20:24:45,929 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 20:24:45,931 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 20:24:45,931 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 20:24:45,935 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 20:24:45,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 08:24:45" (1/3) ... [2021-12-06 20:24:45,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19d8f205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 08:24:45, skipping insertion in model container [2021-12-06 20:24:45,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:24:45" (2/3) ... [2021-12-06 20:24:45,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19d8f205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 08:24:45, skipping insertion in model container [2021-12-06 20:24:45,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:24:45" (3/3) ... [2021-12-06 20:24:45,938 INFO L111 eAbstractionObserver]: Analyzing ICFG ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c [2021-12-06 20:24:45,943 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 20:24:45,943 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2021-12-06 20:24:46,001 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 20:24:46,008 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 20:24:46,008 INFO L340 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2021-12-06 20:24:46,022 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 21 states have (on average 1.8095238095238095) internal successors, (38), 31 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:24:46,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-12-06 20:24:46,026 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:24:46,027 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-12-06 20:24:46,027 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-12-06 20:24:46,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:24:46,032 INFO L85 PathProgramCache]: Analyzing trace with hash 925796, now seen corresponding path program 1 times [2021-12-06 20:24:46,038 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:24:46,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450874364] [2021-12-06 20:24:46,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:24:46,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:24:46,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:46,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:24:46,143 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:24:46,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450874364] [2021-12-06 20:24:46,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450874364] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:24:46,144 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:24:46,144 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 20:24:46,145 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892863602] [2021-12-06 20:24:46,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:24:46,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:24:46,150 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:24:46,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:24:46,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:24:46,174 INFO L87 Difference]: Start difference. First operand has 32 states, 21 states have (on average 1.8095238095238095) internal successors, (38), 31 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:24:46,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:24:46,203 INFO L93 Difference]: Finished difference Result 44 states and 51 transitions. [2021-12-06 20:24:46,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:24:46,206 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-12-06 20:24:46,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:24:46,213 INFO L225 Difference]: With dead ends: 44 [2021-12-06 20:24:46,213 INFO L226 Difference]: Without dead ends: 31 [2021-12-06 20:24:46,215 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:24:46,218 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 6 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:24:46,219 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 62 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:24:46,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-12-06 20:24:46,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2021-12-06 20:24:46,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 20 states have (on average 1.75) internal successors, (35), 29 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:24:46,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 35 transitions. [2021-12-06 20:24:46,246 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 35 transitions. Word has length 4 [2021-12-06 20:24:46,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:24:46,247 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 35 transitions. [2021-12-06 20:24:46,247 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:24:46,247 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2021-12-06 20:24:46,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-12-06 20:24:46,247 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:24:46,248 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-12-06 20:24:46,248 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 20:24:46,248 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-12-06 20:24:46,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:24:46,249 INFO L85 PathProgramCache]: Analyzing trace with hash 28699721, now seen corresponding path program 1 times [2021-12-06 20:24:46,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:24:46,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142410879] [2021-12-06 20:24:46,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:24:46,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:24:46,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:46,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:24:46,267 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:24:46,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142410879] [2021-12-06 20:24:46,267 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142410879] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:24:46,267 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:24:46,267 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 20:24:46,267 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629297200] [2021-12-06 20:24:46,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:24:46,269 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:24:46,269 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:24:46,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:24:46,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:24:46,270 INFO L87 Difference]: Start difference. First operand 30 states and 35 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:24:46,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:24:46,278 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2021-12-06 20:24:46,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:24:46,278 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2021-12-06 20:24:46,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:24:46,279 INFO L225 Difference]: With dead ends: 30 [2021-12-06 20:24:46,279 INFO L226 Difference]: Without dead ends: 29 [2021-12-06 20:24:46,280 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:24:46,281 INFO L933 BasicCegarLoop]: 28 mSDtfsCounter, 27 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:24:46,281 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 29 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:24:46,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-12-06 20:24:46,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2021-12-06 20:24:46,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 20 states have (on average 1.7) internal successors, (34), 28 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:24:46,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 34 transitions. [2021-12-06 20:24:46,286 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 34 transitions. Word has length 5 [2021-12-06 20:24:46,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:24:46,286 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 34 transitions. [2021-12-06 20:24:46,286 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:24:46,286 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2021-12-06 20:24:46,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-12-06 20:24:46,287 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:24:46,287 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:24:46,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 20:24:46,287 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-12-06 20:24:46,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:24:46,288 INFO L85 PathProgramCache]: Analyzing trace with hash 294944169, now seen corresponding path program 1 times [2021-12-06 20:24:46,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:24:46,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603480229] [2021-12-06 20:24:46,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:24:46,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:24:46,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:46,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:24:46,309 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:24:46,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603480229] [2021-12-06 20:24:46,309 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603480229] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:24:46,310 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:24:46,310 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 20:24:46,310 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083121566] [2021-12-06 20:24:46,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:24:46,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:24:46,310 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:24:46,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:24:46,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:24:46,311 INFO L87 Difference]: Start difference. First operand 29 states and 34 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:24:46,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:24:46,330 INFO L93 Difference]: Finished difference Result 52 states and 64 transitions. [2021-12-06 20:24:46,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:24:46,331 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-12-06 20:24:46,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:24:46,332 INFO L225 Difference]: With dead ends: 52 [2021-12-06 20:24:46,332 INFO L226 Difference]: Without dead ends: 50 [2021-12-06 20:24:46,332 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:24:46,334 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 21 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:24:46,334 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 49 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:24:46,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2021-12-06 20:24:46,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 44. [2021-12-06 20:24:46,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 35 states have (on average 1.7142857142857142) internal successors, (60), 43 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:24:46,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 60 transitions. [2021-12-06 20:24:46,340 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 60 transitions. Word has length 8 [2021-12-06 20:24:46,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:24:46,340 INFO L470 AbstractCegarLoop]: Abstraction has 44 states and 60 transitions. [2021-12-06 20:24:46,340 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:24:46,341 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2021-12-06 20:24:46,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-12-06 20:24:46,341 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:24:46,341 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2021-12-06 20:24:46,341 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 20:24:46,342 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-12-06 20:24:46,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:24:46,342 INFO L85 PathProgramCache]: Analyzing trace with hash 294981328, now seen corresponding path program 1 times [2021-12-06 20:24:46,342 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:24:46,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760613700] [2021-12-06 20:24:46,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:24:46,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:24:46,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:46,366 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:24:46,367 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:24:46,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760613700] [2021-12-06 20:24:46,367 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760613700] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:24:46,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1108254778] [2021-12-06 20:24:46,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:24:46,367 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:24:46,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:24:46,369 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:24:46,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 20:24:46,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:46,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 20:24:46,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:24:46,437 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:24:46,438 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:24:46,464 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:24:46,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1108254778] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:24:46,465 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 20:24:46,465 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2021-12-06 20:24:46,465 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146027563] [2021-12-06 20:24:46,465 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 20:24:46,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 20:24:46,465 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:24:46,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 20:24:46,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:24:46,466 INFO L87 Difference]: Start difference. First operand 44 states and 60 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:24:46,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:24:46,497 INFO L93 Difference]: Finished difference Result 147 states and 203 transitions. [2021-12-06 20:24:46,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 20:24:46,498 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-12-06 20:24:46,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:24:46,500 INFO L225 Difference]: With dead ends: 147 [2021-12-06 20:24:46,500 INFO L226 Difference]: Without dead ends: 146 [2021-12-06 20:24:46,500 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:24:46,501 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 104 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:24:46,502 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [104 Valid, 136 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:24:46,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2021-12-06 20:24:46,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 124. [2021-12-06 20:24:46,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 115 states have (on average 1.7130434782608697) internal successors, (197), 123 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:24:46,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 197 transitions. [2021-12-06 20:24:46,516 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 197 transitions. Word has length 8 [2021-12-06 20:24:46,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:24:46,516 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 197 transitions. [2021-12-06 20:24:46,517 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:24:46,517 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 197 transitions. [2021-12-06 20:24:46,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-12-06 20:24:46,517 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:24:46,517 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:24:46,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 20:24:46,718 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:24:46,718 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-12-06 20:24:46,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:24:46,719 INFO L85 PathProgramCache]: Analyzing trace with hash 553334702, now seen corresponding path program 1 times [2021-12-06 20:24:46,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:24:46,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465290150] [2021-12-06 20:24:46,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:24:46,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:24:46,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:46,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:24:46,756 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:24:46,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465290150] [2021-12-06 20:24:46,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465290150] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:24:46,757 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:24:46,757 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 20:24:46,758 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811054729] [2021-12-06 20:24:46,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:24:46,759 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:24:46,759 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:24:46,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:24:46,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:24:46,760 INFO L87 Difference]: Start difference. First operand 124 states and 197 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:24:46,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:24:46,807 INFO L93 Difference]: Finished difference Result 213 states and 338 transitions. [2021-12-06 20:24:46,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:24:46,808 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-12-06 20:24:46,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:24:46,812 INFO L225 Difference]: With dead ends: 213 [2021-12-06 20:24:46,812 INFO L226 Difference]: Without dead ends: 211 [2021-12-06 20:24:46,813 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:24:46,815 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 20 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:24:46,816 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 49 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:24:46,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2021-12-06 20:24:46,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 206. [2021-12-06 20:24:46,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 197 states have (on average 1.6598984771573604) internal successors, (327), 205 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:24:46,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 327 transitions. [2021-12-06 20:24:46,848 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 327 transitions. Word has length 9 [2021-12-06 20:24:46,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:24:46,849 INFO L470 AbstractCegarLoop]: Abstraction has 206 states and 327 transitions. [2021-12-06 20:24:46,849 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:24:46,849 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 327 transitions. [2021-12-06 20:24:46,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-12-06 20:24:46,850 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:24:46,850 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:24:46,850 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 20:24:46,851 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-12-06 20:24:46,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:24:46,852 INFO L85 PathProgramCache]: Analyzing trace with hash -26301678, now seen corresponding path program 1 times [2021-12-06 20:24:46,852 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:24:46,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071063445] [2021-12-06 20:24:46,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:24:46,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:24:46,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:46,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:24:46,876 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:24:46,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071063445] [2021-12-06 20:24:46,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071063445] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:24:46,876 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:24:46,876 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 20:24:46,877 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963304903] [2021-12-06 20:24:46,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:24:46,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:24:46,877 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:24:46,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:24:46,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:24:46,878 INFO L87 Difference]: Start difference. First operand 206 states and 327 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:24:46,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:24:46,899 INFO L93 Difference]: Finished difference Result 346 states and 547 transitions. [2021-12-06 20:24:46,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:24:46,900 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-12-06 20:24:46,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:24:46,902 INFO L225 Difference]: With dead ends: 346 [2021-12-06 20:24:46,902 INFO L226 Difference]: Without dead ends: 344 [2021-12-06 20:24:46,902 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:24:46,903 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 19 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:24:46,904 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 49 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:24:46,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2021-12-06 20:24:46,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 331. [2021-12-06 20:24:46,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 322 states have (on average 1.5745341614906831) internal successors, (507), 330 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:24:46,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 507 transitions. [2021-12-06 20:24:46,921 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 507 transitions. Word has length 10 [2021-12-06 20:24:46,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:24:46,921 INFO L470 AbstractCegarLoop]: Abstraction has 331 states and 507 transitions. [2021-12-06 20:24:46,921 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:24:46,922 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 507 transitions. [2021-12-06 20:24:46,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-06 20:24:46,922 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:24:46,922 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:24:46,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 20:24:46,922 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-12-06 20:24:46,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:24:46,923 INFO L85 PathProgramCache]: Analyzing trace with hash -815351945, now seen corresponding path program 1 times [2021-12-06 20:24:46,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:24:46,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185314157] [2021-12-06 20:24:46,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:24:46,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:24:46,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:46,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:24:46,941 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:24:46,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185314157] [2021-12-06 20:24:46,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185314157] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:24:46,942 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:24:46,942 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 20:24:46,942 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083868946] [2021-12-06 20:24:46,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:24:46,942 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:24:46,942 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:24:46,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:24:46,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:24:46,943 INFO L87 Difference]: Start difference. First operand 331 states and 507 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:24:46,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:24:46,971 INFO L93 Difference]: Finished difference Result 550 states and 841 transitions. [2021-12-06 20:24:46,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:24:46,972 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-12-06 20:24:46,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:24:46,975 INFO L225 Difference]: With dead ends: 550 [2021-12-06 20:24:46,975 INFO L226 Difference]: Without dead ends: 548 [2021-12-06 20:24:46,975 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:24:46,976 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 18 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:24:46,976 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 49 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:24:46,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2021-12-06 20:24:46,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 543. [2021-12-06 20:24:46,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 534 states have (on average 1.5149812734082397) internal successors, (809), 542 states have internal predecessors, (809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:24:46,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 809 transitions. [2021-12-06 20:24:46,993 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 809 transitions. Word has length 11 [2021-12-06 20:24:46,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:24:46,993 INFO L470 AbstractCegarLoop]: Abstraction has 543 states and 809 transitions. [2021-12-06 20:24:46,994 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:24:46,994 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 809 transitions. [2021-12-06 20:24:46,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-12-06 20:24:46,994 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:24:46,995 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2021-12-06 20:24:46,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 20:24:46,995 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-12-06 20:24:46,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:24:46,995 INFO L85 PathProgramCache]: Analyzing trace with hash -329510763, now seen corresponding path program 1 times [2021-12-06 20:24:46,995 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:24:46,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401643024] [2021-12-06 20:24:46,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:24:46,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:24:47,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:47,019 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:24:47,019 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:24:47,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401643024] [2021-12-06 20:24:47,020 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401643024] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:24:47,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1394469043] [2021-12-06 20:24:47,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:24:47,020 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:24:47,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:24:47,021 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:24:47,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 20:24:47,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:47,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 20:24:47,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:24:47,067 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:24:47,067 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:24:47,097 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:24:47,097 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1394469043] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:24:47,098 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 20:24:47,098 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2021-12-06 20:24:47,098 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274907175] [2021-12-06 20:24:47,098 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 20:24:47,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 20:24:47,098 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:24:47,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 20:24:47,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:24:47,099 INFO L87 Difference]: Start difference. First operand 543 states and 809 transitions. Second operand has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:24:47,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:24:47,149 INFO L93 Difference]: Finished difference Result 1047 states and 1608 transitions. [2021-12-06 20:24:47,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 20:24:47,150 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-12-06 20:24:47,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:24:47,155 INFO L225 Difference]: With dead ends: 1047 [2021-12-06 20:24:47,155 INFO L226 Difference]: Without dead ends: 1045 [2021-12-06 20:24:47,156 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:24:47,156 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 118 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:24:47,157 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 116 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:24:47,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2021-12-06 20:24:47,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 904. [2021-12-06 20:24:47,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 904 states, 895 states have (on average 1.5273743016759778) internal successors, (1367), 903 states have internal predecessors, (1367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:24:47,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 904 states and 1367 transitions. [2021-12-06 20:24:47,179 INFO L78 Accepts]: Start accepts. Automaton has 904 states and 1367 transitions. Word has length 15 [2021-12-06 20:24:47,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:24:47,179 INFO L470 AbstractCegarLoop]: Abstraction has 904 states and 1367 transitions. [2021-12-06 20:24:47,179 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:24:47,179 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 1367 transitions. [2021-12-06 20:24:47,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-12-06 20:24:47,180 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:24:47,180 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:24:47,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-06 20:24:47,381 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-12-06 20:24:47,382 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-12-06 20:24:47,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:24:47,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1722862724, now seen corresponding path program 1 times [2021-12-06 20:24:47,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:24:47,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605956326] [2021-12-06 20:24:47,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:24:47,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:24:47,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:47,475 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:24:47,476 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:24:47,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605956326] [2021-12-06 20:24:47,476 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605956326] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:24:47,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1636123733] [2021-12-06 20:24:47,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:24:47,477 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:24:47,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:24:47,480 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:24:47,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-06 20:24:47,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:47,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 20:24:47,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:24:47,577 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:24:47,577 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:24:47,614 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:24:47,614 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1636123733] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:24:47,614 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 20:24:47,614 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2021-12-06 20:24:47,614 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66201180] [2021-12-06 20:24:47,614 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 20:24:47,615 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 20:24:47,615 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:24:47,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 20:24:47,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:24:47,615 INFO L87 Difference]: Start difference. First operand 904 states and 1367 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:24:47,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:24:47,651 INFO L93 Difference]: Finished difference Result 1365 states and 2106 transitions. [2021-12-06 20:24:47,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 20:24:47,651 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-12-06 20:24:47,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:24:47,658 INFO L225 Difference]: With dead ends: 1365 [2021-12-06 20:24:47,658 INFO L226 Difference]: Without dead ends: 1363 [2021-12-06 20:24:47,659 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:24:47,659 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 84 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:24:47,660 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [84 Valid, 71 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:24:47,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1363 states. [2021-12-06 20:24:47,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1363 to 1061. [2021-12-06 20:24:47,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1061 states, 1053 states have (on average 1.5175688509021843) internal successors, (1598), 1060 states have internal predecessors, (1598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:24:47,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 1061 states and 1598 transitions. [2021-12-06 20:24:47,686 INFO L78 Accepts]: Start accepts. Automaton has 1061 states and 1598 transitions. Word has length 17 [2021-12-06 20:24:47,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:24:47,692 INFO L470 AbstractCegarLoop]: Abstraction has 1061 states and 1598 transitions. [2021-12-06 20:24:47,693 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:24:47,693 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 1598 transitions. [2021-12-06 20:24:47,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-12-06 20:24:47,694 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:24:47,694 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2021-12-06 20:24:47,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-06 20:24:47,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:24:47,897 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-12-06 20:24:47,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:24:47,898 INFO L85 PathProgramCache]: Analyzing trace with hash -1244341817, now seen corresponding path program 1 times [2021-12-06 20:24:47,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:24:47,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209149504] [2021-12-06 20:24:47,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:24:47,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:24:47,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:47,952 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:24:47,952 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:24:47,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209149504] [2021-12-06 20:24:47,953 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209149504] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:24:47,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1466171950] [2021-12-06 20:24:47,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:24:47,953 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:24:47,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:24:47,954 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:24:47,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-06 20:24:47,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:47,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 20:24:47,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:24:48,007 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:24:48,007 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:24:48,040 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:24:48,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1466171950] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:24:48,040 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 20:24:48,041 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2021-12-06 20:24:48,041 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495528854] [2021-12-06 20:24:48,041 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 20:24:48,041 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 20:24:48,041 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:24:48,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 20:24:48,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:24:48,042 INFO L87 Difference]: Start difference. First operand 1061 states and 1598 transitions. Second operand has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:24:48,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:24:48,103 INFO L93 Difference]: Finished difference Result 2462 states and 3872 transitions. [2021-12-06 20:24:48,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 20:24:48,103 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-12-06 20:24:48,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:24:48,118 INFO L225 Difference]: With dead ends: 2462 [2021-12-06 20:24:48,118 INFO L226 Difference]: Without dead ends: 2460 [2021-12-06 20:24:48,120 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:24:48,121 INFO L933 BasicCegarLoop]: 25 mSDtfsCounter, 121 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:24:48,122 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [121 Valid, 111 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:24:48,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2460 states. [2021-12-06 20:24:48,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2460 to 2130. [2021-12-06 20:24:48,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2130 states, 2122 states have (on average 1.5221489161168709) internal successors, (3230), 2129 states have internal predecessors, (3230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:24:48,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2130 states to 2130 states and 3230 transitions. [2021-12-06 20:24:48,172 INFO L78 Accepts]: Start accepts. Automaton has 2130 states and 3230 transitions. Word has length 19 [2021-12-06 20:24:48,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:24:48,173 INFO L470 AbstractCegarLoop]: Abstraction has 2130 states and 3230 transitions. [2021-12-06 20:24:48,173 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:24:48,173 INFO L276 IsEmpty]: Start isEmpty. Operand 2130 states and 3230 transitions. [2021-12-06 20:24:48,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-12-06 20:24:48,174 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:24:48,174 INFO L514 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 1, 1, 1] [2021-12-06 20:24:48,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-12-06 20:24:48,375 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:24:48,375 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-12-06 20:24:48,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:24:48,376 INFO L85 PathProgramCache]: Analyzing trace with hash -816359916, now seen corresponding path program 2 times [2021-12-06 20:24:48,376 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:24:48,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977076049] [2021-12-06 20:24:48,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:24:48,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:24:48,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:48,396 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-12-06 20:24:48,396 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:24:48,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977076049] [2021-12-06 20:24:48,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977076049] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:24:48,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450826958] [2021-12-06 20:24:48,397 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 20:24:48,397 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:24:48,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:24:48,398 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:24:48,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-06 20:24:48,415 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-06 20:24:48,415 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 20:24:48,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 20:24:48,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:24:48,445 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-12-06 20:24:48,445 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:24:48,478 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-12-06 20:24:48,478 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1450826958] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:24:48,478 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 20:24:48,478 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2021-12-06 20:24:48,479 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61825870] [2021-12-06 20:24:48,479 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 20:24:48,479 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 20:24:48,479 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:24:48,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 20:24:48,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:24:48,480 INFO L87 Difference]: Start difference. First operand 2130 states and 3230 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:24:48,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:24:48,516 INFO L93 Difference]: Finished difference Result 2130 states and 3230 transitions. [2021-12-06 20:24:48,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 20:24:48,517 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-12-06 20:24:48,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:24:48,525 INFO L225 Difference]: With dead ends: 2130 [2021-12-06 20:24:48,525 INFO L226 Difference]: Without dead ends: 2129 [2021-12-06 20:24:48,527 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-06 20:24:48,527 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 51 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:24:48,528 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [51 Valid, 55 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:24:48,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2129 states. [2021-12-06 20:24:48,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2129 to 1799. [2021-12-06 20:24:48,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1799 states, 1792 states have (on average 1.4871651785714286) internal successors, (2665), 1798 states have internal predecessors, (2665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:24:48,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1799 states to 1799 states and 2665 transitions. [2021-12-06 20:24:48,585 INFO L78 Accepts]: Start accepts. Automaton has 1799 states and 2665 transitions. Word has length 20 [2021-12-06 20:24:48,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:24:48,585 INFO L470 AbstractCegarLoop]: Abstraction has 1799 states and 2665 transitions. [2021-12-06 20:24:48,585 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:24:48,585 INFO L276 IsEmpty]: Start isEmpty. Operand 1799 states and 2665 transitions. [2021-12-06 20:24:48,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-12-06 20:24:48,586 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:24:48,586 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:24:48,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-12-06 20:24:48,786 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-12-06 20:24:48,786 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-12-06 20:24:48,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:24:48,787 INFO L85 PathProgramCache]: Analyzing trace with hash -333612156, now seen corresponding path program 1 times [2021-12-06 20:24:48,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:24:48,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316640196] [2021-12-06 20:24:48,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:24:48,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:24:48,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:48,806 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:24:48,807 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:24:48,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316640196] [2021-12-06 20:24:48,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316640196] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:24:48,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1944378087] [2021-12-06 20:24:48,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:24:48,807 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:24:48,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:24:48,808 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:24:48,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-06 20:24:48,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:48,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 20:24:48,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:24:48,862 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:24:48,862 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:24:48,899 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:24:48,899 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1944378087] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:24:48,899 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 20:24:48,899 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2021-12-06 20:24:48,900 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282176800] [2021-12-06 20:24:48,900 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 20:24:48,900 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 20:24:48,900 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:24:48,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 20:24:48,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:24:48,901 INFO L87 Difference]: Start difference. First operand 1799 states and 2665 transitions. Second operand has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:24:48,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:24:48,963 INFO L93 Difference]: Finished difference Result 3111 states and 4689 transitions. [2021-12-06 20:24:48,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 20:24:48,964 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2021-12-06 20:24:48,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:24:48,977 INFO L225 Difference]: With dead ends: 3111 [2021-12-06 20:24:48,977 INFO L226 Difference]: Without dead ends: 3109 [2021-12-06 20:24:48,979 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:24:48,980 INFO L933 BasicCegarLoop]: 22 mSDtfsCounter, 96 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:24:48,980 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [96 Valid, 64 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:24:48,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3109 states. [2021-12-06 20:24:49,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3109 to 2296. [2021-12-06 20:24:49,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2296 states, 2290 states have (on average 1.459825327510917) internal successors, (3343), 2295 states have internal predecessors, (3343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:24:49,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2296 states to 2296 states and 3343 transitions. [2021-12-06 20:24:49,035 INFO L78 Accepts]: Start accepts. Automaton has 2296 states and 3343 transitions. Word has length 21 [2021-12-06 20:24:49,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:24:49,035 INFO L470 AbstractCegarLoop]: Abstraction has 2296 states and 3343 transitions. [2021-12-06 20:24:49,035 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:24:49,035 INFO L276 IsEmpty]: Start isEmpty. Operand 2296 states and 3343 transitions. [2021-12-06 20:24:49,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-12-06 20:24:49,036 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:24:49,036 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1] [2021-12-06 20:24:49,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-12-06 20:24:49,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-12-06 20:24:49,237 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-12-06 20:24:49,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:24:49,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1881216384, now seen corresponding path program 1 times [2021-12-06 20:24:49,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:24:49,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999537535] [2021-12-06 20:24:49,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:24:49,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:24:49,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:49,270 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:24:49,271 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:24:49,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999537535] [2021-12-06 20:24:49,271 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999537535] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:24:49,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [640562596] [2021-12-06 20:24:49,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:24:49,271 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:24:49,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:24:49,272 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:24:49,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-06 20:24:49,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:49,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 20:24:49,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:24:49,333 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:24:49,333 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:24:49,382 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:24:49,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [640562596] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:24:49,383 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 20:24:49,383 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2021-12-06 20:24:49,383 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453728155] [2021-12-06 20:24:49,383 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 20:24:49,384 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 20:24:49,384 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:24:49,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 20:24:49,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-12-06 20:24:49,384 INFO L87 Difference]: Start difference. First operand 2296 states and 3343 transitions. Second operand has 8 states, 7 states have (on average 7.285714285714286) internal successors, (51), 8 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:24:49,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:24:49,487 INFO L93 Difference]: Finished difference Result 6601 states and 9698 transitions. [2021-12-06 20:24:49,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 20:24:49,488 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.285714285714286) internal successors, (51), 8 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-12-06 20:24:49,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:24:49,514 INFO L225 Difference]: With dead ends: 6601 [2021-12-06 20:24:49,514 INFO L226 Difference]: Without dead ends: 6600 [2021-12-06 20:24:49,520 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-12-06 20:24:49,521 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 173 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:24:49,522 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [173 Valid, 145 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:24:49,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6600 states. [2021-12-06 20:24:49,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6600 to 5401. [2021-12-06 20:24:49,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5401 states, 5395 states have (on average 1.4556070435588508) internal successors, (7853), 5400 states have internal predecessors, (7853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:24:49,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5401 states to 5401 states and 7853 transitions. [2021-12-06 20:24:49,645 INFO L78 Accepts]: Start accepts. Automaton has 5401 states and 7853 transitions. Word has length 26 [2021-12-06 20:24:49,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:24:49,645 INFO L470 AbstractCegarLoop]: Abstraction has 5401 states and 7853 transitions. [2021-12-06 20:24:49,645 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.285714285714286) internal successors, (51), 8 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:24:49,646 INFO L276 IsEmpty]: Start isEmpty. Operand 5401 states and 7853 transitions. [2021-12-06 20:24:49,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-06 20:24:49,646 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:24:49,646 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1] [2021-12-06 20:24:49,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-12-06 20:24:49,847 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:24:49,847 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-12-06 20:24:49,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:24:49,848 INFO L85 PathProgramCache]: Analyzing trace with hash -205460357, now seen corresponding path program 1 times [2021-12-06 20:24:49,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:24:49,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277176540] [2021-12-06 20:24:49,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:24:49,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:24:49,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:49,919 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:24:49,920 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:24:49,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277176540] [2021-12-06 20:24:49,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277176540] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:24:49,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [523879679] [2021-12-06 20:24:49,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:24:49,921 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:24:49,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:24:49,923 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:24:49,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-06 20:24:49,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:49,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 20:24:49,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:24:50,024 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:24:50,024 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:24:50,077 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:24:50,077 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [523879679] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:24:50,078 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 20:24:50,078 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2021-12-06 20:24:50,078 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970127021] [2021-12-06 20:24:50,078 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 20:24:50,078 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 20:24:50,078 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:24:50,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 20:24:50,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-12-06 20:24:50,079 INFO L87 Difference]: Start difference. First operand 5401 states and 7853 transitions. Second operand has 8 states, 7 states have (on average 9.0) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:24:50,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:24:50,242 INFO L93 Difference]: Finished difference Result 15529 states and 22802 transitions. [2021-12-06 20:24:50,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 20:24:50,242 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.0) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-12-06 20:24:50,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:24:50,285 INFO L225 Difference]: With dead ends: 15529 [2021-12-06 20:24:50,285 INFO L226 Difference]: Without dead ends: 15528 [2021-12-06 20:24:50,294 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-12-06 20:24:50,295 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 172 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:24:50,295 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [172 Valid, 145 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:24:50,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15528 states. [2021-12-06 20:24:50,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15528 to 12718. [2021-12-06 20:24:50,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12718 states, 12712 states have (on average 1.4511485210824417) internal successors, (18447), 12717 states have internal predecessors, (18447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:24:50,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12718 states to 12718 states and 18447 transitions. [2021-12-06 20:24:50,551 INFO L78 Accepts]: Start accepts. Automaton has 12718 states and 18447 transitions. Word has length 32 [2021-12-06 20:24:50,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:24:50,551 INFO L470 AbstractCegarLoop]: Abstraction has 12718 states and 18447 transitions. [2021-12-06 20:24:50,552 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.0) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:24:50,552 INFO L276 IsEmpty]: Start isEmpty. Operand 12718 states and 18447 transitions. [2021-12-06 20:24:50,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-12-06 20:24:50,553 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:24:50,553 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 1, 1, 1] [2021-12-06 20:24:50,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-12-06 20:24:50,753 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:24:50,755 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-12-06 20:24:50,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:24:50,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1919460695, now seen corresponding path program 2 times [2021-12-06 20:24:50,757 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:24:50,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722718665] [2021-12-06 20:24:50,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:24:50,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:24:50,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:50,911 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:24:50,911 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:24:50,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722718665] [2021-12-06 20:24:50,912 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722718665] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:24:50,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [256617253] [2021-12-06 20:24:50,913 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 20:24:50,913 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:24:50,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:24:50,916 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:24:50,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-12-06 20:24:51,024 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-06 20:24:51,025 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 20:24:51,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 20:24:51,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:24:51,138 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:24:51,138 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:24:51,219 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:24:51,219 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [256617253] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:24:51,219 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 20:24:51,219 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2021-12-06 20:24:51,219 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046995073] [2021-12-06 20:24:51,220 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 20:24:51,220 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-06 20:24:51,220 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:24:51,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-06 20:24:51,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2021-12-06 20:24:51,220 INFO L87 Difference]: Start difference. First operand 12718 states and 18447 transitions. Second operand has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 12 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:24:51,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:24:51,607 INFO L93 Difference]: Finished difference Result 43313 states and 64320 transitions. [2021-12-06 20:24:51,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-06 20:24:51,608 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 12 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-12-06 20:24:51,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:24:51,669 INFO L225 Difference]: With dead ends: 43313 [2021-12-06 20:24:51,669 INFO L226 Difference]: Without dead ends: 43311 [2021-12-06 20:24:51,688 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2021-12-06 20:24:51,688 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 373 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 20:24:51,689 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [373 Valid, 227 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 20:24:51,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43311 states. [2021-12-06 20:24:52,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43311 to 27376. [2021-12-06 20:24:52,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27376 states, 27370 states have (on average 1.4275118743149433) internal successors, (39071), 27375 states have internal predecessors, (39071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:24:52,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27376 states to 27376 states and 39071 transitions. [2021-12-06 20:24:52,193 INFO L78 Accepts]: Start accepts. Automaton has 27376 states and 39071 transitions. Word has length 36 [2021-12-06 20:24:52,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:24:52,193 INFO L470 AbstractCegarLoop]: Abstraction has 27376 states and 39071 transitions. [2021-12-06 20:24:52,193 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 12 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:24:52,193 INFO L276 IsEmpty]: Start isEmpty. Operand 27376 states and 39071 transitions. [2021-12-06 20:24:52,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-12-06 20:24:52,195 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:24:52,195 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1] [2021-12-06 20:24:52,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2021-12-06 20:24:52,396 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-12-06 20:24:52,397 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-12-06 20:24:52,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:24:52,398 INFO L85 PathProgramCache]: Analyzing trace with hash 2018802258, now seen corresponding path program 2 times [2021-12-06 20:24:52,398 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:24:52,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690718332] [2021-12-06 20:24:52,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:24:52,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:24:52,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:52,463 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:24:52,464 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:24:52,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690718332] [2021-12-06 20:24:52,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690718332] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:24:52,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1929975764] [2021-12-06 20:24:52,464 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 20:24:52,464 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:24:52,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:24:52,465 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:24:52,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-12-06 20:24:52,487 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-06 20:24:52,487 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 20:24:52,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 20:24:52,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:24:52,537 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:24:52,537 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:24:52,606 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:24:52,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1929975764] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:24:52,606 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 20:24:52,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2021-12-06 20:24:52,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405356963] [2021-12-06 20:24:52,606 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 20:24:52,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-06 20:24:52,607 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:24:52,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-06 20:24:52,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2021-12-06 20:24:52,607 INFO L87 Difference]: Start difference. First operand 27376 states and 39071 transitions. Second operand has 12 states, 11 states have (on average 8.272727272727273) internal successors, (91), 12 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:24:53,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:24:53,331 INFO L93 Difference]: Finished difference Result 93113 states and 136146 transitions. [2021-12-06 20:24:53,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-06 20:24:53,331 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.272727272727273) internal successors, (91), 12 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2021-12-06 20:24:53,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:24:53,447 INFO L225 Difference]: With dead ends: 93113 [2021-12-06 20:24:53,447 INFO L226 Difference]: Without dead ends: 93111 [2021-12-06 20:24:53,463 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2021-12-06 20:24:53,464 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 352 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:24:53,464 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [352 Valid, 227 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:24:53,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93111 states. [2021-12-06 20:24:54,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93111 to 58898. [2021-12-06 20:24:54,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58898 states, 58892 states have (on average 1.405063506078924) internal successors, (82747), 58897 states have internal predecessors, (82747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:24:54,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58898 states to 58898 states and 82747 transitions. [2021-12-06 20:24:54,559 INFO L78 Accepts]: Start accepts. Automaton has 58898 states and 82747 transitions. Word has length 46 [2021-12-06 20:24:54,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:24:54,560 INFO L470 AbstractCegarLoop]: Abstraction has 58898 states and 82747 transitions. [2021-12-06 20:24:54,560 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.272727272727273) internal successors, (91), 12 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:24:54,560 INFO L276 IsEmpty]: Start isEmpty. Operand 58898 states and 82747 transitions. [2021-12-06 20:24:54,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-12-06 20:24:54,563 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:24:54,563 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 1, 1, 1] [2021-12-06 20:24:54,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2021-12-06 20:24:54,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:24:54,765 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-12-06 20:24:54,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:24:54,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1183604440, now seen corresponding path program 2 times [2021-12-06 20:24:54,767 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:24:54,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922660625] [2021-12-06 20:24:54,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:24:54,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:24:54,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:54,839 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:24:54,839 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:24:54,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922660625] [2021-12-06 20:24:54,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922660625] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:24:54,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [105755373] [2021-12-06 20:24:54,840 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 20:24:54,840 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:24:54,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:24:54,840 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:24:54,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-12-06 20:24:54,868 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-06 20:24:54,868 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 20:24:54,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 20:24:54,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:24:54,933 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:24:54,933 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:24:55,035 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:24:55,035 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [105755373] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:24:55,035 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 20:24:55,035 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2021-12-06 20:24:55,035 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388675458] [2021-12-06 20:24:55,035 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 20:24:55,035 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-12-06 20:24:55,036 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:24:55,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-12-06 20:24:55,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2021-12-06 20:24:55,036 INFO L87 Difference]: Start difference. First operand 58898 states and 82747 transitions. Second operand has 16 states, 15 states have (on average 7.666666666666667) internal successors, (115), 16 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:24:56,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:24:56,648 INFO L93 Difference]: Finished difference Result 207477 states and 294185 transitions. [2021-12-06 20:24:56,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-06 20:24:56,648 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 7.666666666666667) internal successors, (115), 16 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-12-06 20:24:56,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:24:56,953 INFO L225 Difference]: With dead ends: 207477 [2021-12-06 20:24:56,953 INFO L226 Difference]: Without dead ends: 207476 [2021-12-06 20:24:56,988 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2021-12-06 20:24:56,988 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 569 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 569 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 20:24:56,989 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [569 Valid, 306 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 20:24:57,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207476 states. [2021-12-06 20:24:59,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207476 to 115068. [2021-12-06 20:24:59,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115068 states, 115062 states have (on average 1.3967860805478785) internal successors, (160717), 115067 states have internal predecessors, (160717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:24:59,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115068 states to 115068 states and 160717 transitions. [2021-12-06 20:24:59,693 INFO L78 Accepts]: Start accepts. Automaton has 115068 states and 160717 transitions. Word has length 58 [2021-12-06 20:24:59,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:24:59,693 INFO L470 AbstractCegarLoop]: Abstraction has 115068 states and 160717 transitions. [2021-12-06 20:24:59,693 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 7.666666666666667) internal successors, (115), 16 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:24:59,693 INFO L276 IsEmpty]: Start isEmpty. Operand 115068 states and 160717 transitions. [2021-12-06 20:24:59,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-12-06 20:24:59,701 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:24:59,701 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 1, 1, 1] [2021-12-06 20:24:59,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-12-06 20:24:59,901 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-12-06 20:24:59,902 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-12-06 20:24:59,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:24:59,903 INFO L85 PathProgramCache]: Analyzing trace with hash 921640519, now seen corresponding path program 2 times [2021-12-06 20:24:59,904 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:24:59,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098127088] [2021-12-06 20:24:59,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:24:59,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:24:59,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:00,079 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:25:00,079 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:25:00,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098127088] [2021-12-06 20:25:00,080 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098127088] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:25:00,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [856071158] [2021-12-06 20:25:00,080 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 20:25:00,080 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:25:00,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:25:00,080 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:25:00,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-12-06 20:25:00,104 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-06 20:25:00,104 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 20:25:00,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 20:25:00,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:25:00,177 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:25:00,177 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:25:00,291 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:25:00,291 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [856071158] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:25:00,291 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 20:25:00,291 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2021-12-06 20:25:00,291 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182334786] [2021-12-06 20:25:00,291 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 20:25:00,292 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-12-06 20:25:00,292 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:25:00,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-12-06 20:25:00,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2021-12-06 20:25:00,293 INFO L87 Difference]: Start difference. First operand 115068 states and 160717 transitions. Second operand has 16 states, 15 states have (on average 9.533333333333333) internal successors, (143), 16 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:25:03,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:25:03,731 INFO L93 Difference]: Finished difference Result 405129 states and 571169 transitions. [2021-12-06 20:25:03,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-06 20:25:03,731 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 9.533333333333333) internal successors, (143), 16 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2021-12-06 20:25:03,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:25:04,380 INFO L225 Difference]: With dead ends: 405129 [2021-12-06 20:25:04,380 INFO L226 Difference]: Without dead ends: 405128 [2021-12-06 20:25:04,448 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2021-12-06 20:25:04,449 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 438 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 438 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 20:25:04,450 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [438 Valid, 306 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 20:25:04,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405128 states. [2021-12-06 20:25:08,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405128 to 224758. [2021-12-06 20:25:09,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224758 states, 224752 states have (on average 1.3887618352673168) internal successors, (312127), 224757 states have internal predecessors, (312127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:25:09,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224758 states to 224758 states and 312127 transitions. [2021-12-06 20:25:09,608 INFO L78 Accepts]: Start accepts. Automaton has 224758 states and 312127 transitions. Word has length 72 [2021-12-06 20:25:09,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:25:09,608 INFO L470 AbstractCegarLoop]: Abstraction has 224758 states and 312127 transitions. [2021-12-06 20:25:09,608 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 9.533333333333333) internal successors, (143), 16 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:25:09,608 INFO L276 IsEmpty]: Start isEmpty. Operand 224758 states and 312127 transitions. [2021-12-06 20:25:09,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-12-06 20:25:09,615 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:25:09,616 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 10, 10, 1, 1, 1] [2021-12-06 20:25:09,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2021-12-06 20:25:09,816 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-12-06 20:25:09,817 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-12-06 20:25:09,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:25:09,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1950111273, now seen corresponding path program 3 times [2021-12-06 20:25:09,819 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:25:09,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667992892] [2021-12-06 20:25:09,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:25:09,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:25:09,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:09,929 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 0 proven. 375 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:25:09,929 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:25:09,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667992892] [2021-12-06 20:25:09,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667992892] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:25:09,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1852100173] [2021-12-06 20:25:09,929 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-06 20:25:09,930 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:25:09,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:25:09,931 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:25:09,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-12-06 20:25:09,966 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-12-06 20:25:09,967 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 20:25:09,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-06 20:25:09,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:25:10,298 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:25:10,298 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:25:10,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1852100173] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:25:10,299 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 20:25:10,299 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [12] total 24 [2021-12-06 20:25:10,299 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279348527] [2021-12-06 20:25:10,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:25:10,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-06 20:25:10,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:25:10,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-06 20:25:10,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2021-12-06 20:25:10,301 INFO L87 Difference]: Start difference. First operand 224758 states and 312127 transitions. Second operand has 13 states, 13 states have (on average 6.0) internal successors, (78), 13 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:25:11,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:25:11,653 INFO L93 Difference]: Finished difference Result 243072 states and 336741 transitions. [2021-12-06 20:25:11,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-06 20:25:11,653 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.0) internal successors, (78), 13 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2021-12-06 20:25:11,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:25:11,654 INFO L225 Difference]: With dead ends: 243072 [2021-12-06 20:25:11,654 INFO L226 Difference]: Without dead ends: 0 [2021-12-06 20:25:11,760 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2021-12-06 20:25:11,761 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 144 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:25:11,761 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 529 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:25:11,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-06 20:25:11,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-06 20:25:11,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:25:11,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-06 20:25:11,762 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78 [2021-12-06 20:25:11,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:25:11,762 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 20:25:11,762 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.0) internal successors, (78), 13 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:25:11,762 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-06 20:25:11,762 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-06 20:25:11,765 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2021-12-06 20:25:11,765 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2021-12-06 20:25:11,765 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2021-12-06 20:25:11,765 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2021-12-06 20:25:11,766 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2021-12-06 20:25:11,766 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2021-12-06 20:25:11,766 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2021-12-06 20:25:11,766 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2021-12-06 20:25:11,766 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2021-12-06 20:25:11,766 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2021-12-06 20:25:11,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2021-12-06 20:25:11,967 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:25:11,973 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-06 20:36:16,593 WARN L227 SmtUtils]: Spent 11.08m on a formula simplification. DAG size of input: 11375 DAG size of output: 2165 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 20:37:17,107 WARN L227 SmtUtils]: Spent 1.01m on a formula simplification. DAG size of input: 2165 DAG size of output: 367 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-12-06 20:37:17,112 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2021-12-06 20:37:17,112 INFO L858 garLoopResultBuilder]: For program point L27(lines 27 31) no Hoare annotation was computed. [2021-12-06 20:37:17,112 INFO L858 garLoopResultBuilder]: For program point L23(lines 23 31) no Hoare annotation was computed. [2021-12-06 20:37:17,113 INFO L858 garLoopResultBuilder]: For program point L19-2(lines 19 33) no Hoare annotation was computed. [2021-12-06 20:37:17,113 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2021-12-06 20:37:17,113 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-06 20:37:17,113 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2021-12-06 20:37:17,113 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-06 20:37:17,113 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2021-12-06 20:37:17,113 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-06 20:37:17,113 INFO L858 garLoopResultBuilder]: For program point L28(line 28) no Hoare annotation was computed. [2021-12-06 20:37:17,113 INFO L858 garLoopResultBuilder]: For program point L28-1(line 28) no Hoare annotation was computed. [2021-12-06 20:37:17,113 INFO L858 garLoopResultBuilder]: For program point L24(line 24) no Hoare annotation was computed. [2021-12-06 20:37:17,113 INFO L858 garLoopResultBuilder]: For program point L24-1(line 24) no Hoare annotation was computed. [2021-12-06 20:37:17,113 INFO L858 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2021-12-06 20:37:17,113 INFO L858 garLoopResultBuilder]: For program point L20-1(line 20) no Hoare annotation was computed. [2021-12-06 20:37:17,113 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2021-12-06 20:37:17,114 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2021-12-06 20:37:17,114 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-06 20:37:17,114 INFO L858 garLoopResultBuilder]: For program point L29(lines 29 31) no Hoare annotation was computed. [2021-12-06 20:37:17,114 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2021-12-06 20:37:17,114 INFO L858 garLoopResultBuilder]: For program point L25(lines 25 31) no Hoare annotation was computed. [2021-12-06 20:37:17,114 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2021-12-06 20:37:17,114 INFO L861 garLoopResultBuilder]: At program point L34(lines 13 35) the Hoare annotation is: true [2021-12-06 20:37:17,114 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2021-12-06 20:37:17,114 INFO L858 garLoopResultBuilder]: For program point L30(line 30) no Hoare annotation was computed. [2021-12-06 20:37:17,114 INFO L858 garLoopResultBuilder]: For program point L30-1(line 30) no Hoare annotation was computed. [2021-12-06 20:37:17,114 INFO L858 garLoopResultBuilder]: For program point L26(line 26) no Hoare annotation was computed. [2021-12-06 20:37:17,114 INFO L858 garLoopResultBuilder]: For program point L26-1(line 26) no Hoare annotation was computed. [2021-12-06 20:37:17,114 INFO L858 garLoopResultBuilder]: For program point L22(lines 22 32) no Hoare annotation was computed. [2021-12-06 20:37:17,116 INFO L854 garLoopResultBuilder]: At program point L22-1(lines 19 33) the Hoare annotation is: (let ((.cse14 (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483646))) (.cse8 (<= |ULTIMATE.start_main_~y~0#1| 2147483643)) (.cse36 (<= |ULTIMATE.start_main_~x~0#1| 2147483646)) (.cse55 (<= 0 (+ 2147483647 |ULTIMATE.start_main_~y~0#1|))) (.cse47 (<= 2 |ULTIMATE.start_main_~i~0#1|)) (.cse44 (<= |ULTIMATE.start_main_~x~0#1| 2147483643)) (.cse26 (<= 0 (+ 5 |ULTIMATE.start_main_~y~0#1|))) (.cse21 (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 4))) (.cse27 (<= 0 (+ 2147483643 |ULTIMATE.start_main_~x~0#1|))) (.cse46 (<= 0 (+ 2147483643 |ULTIMATE.start_main_~y~0#1|))) (.cse37 (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483642))) (.cse56 (<= |ULTIMATE.start_main_~y~0#1| 2147483646)) (.cse34 (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648))) (.cse20 (<= 0 (+ 5 |ULTIMATE.start_main_~x~0#1|))) (.cse54 (<= 1 |ULTIMATE.start_main_~i~0#1|)) (.cse33 (<= |ULTIMATE.start_main_~x~0#1| 1)) (.cse23 (<= |ULTIMATE.start_main_~y~0#1| 2147483644)) (.cse40 (<= |ULTIMATE.start_main_~x~0#1| 4)) (.cse18 (<= |ULTIMATE.start_main_~x~0#1| 3)) (.cse38 (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483642))) (.cse0 (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483641))) (.cse11 (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648))) (.cse12 (<= 0 |ULTIMATE.start_main_~i~0#1|)) (.cse48 (<= 0 (+ 6 |ULTIMATE.start_main_~y~0#1|))) (.cse52 (<= |ULTIMATE.start_main_~y~0#1| 2147483642)) (.cse35 (<= |ULTIMATE.start_main_~x~0#1| 2)) (.cse9 (<= 6 |ULTIMATE.start_main_~i~0#1|)) (.cse53 (<= |ULTIMATE.start_main_~x~0#1| 2147483645)) (.cse30 (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 1))) (.cse31 (<= 3 |ULTIMATE.start_main_~i~0#1|)) (.cse22 (<= 9 |ULTIMATE.start_main_~i~0#1|)) (.cse39 (<= 0 (+ 3 |ULTIMATE.start_main_~y~0#1|))) (.cse45 (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483641))) (.cse10 (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 4))) (.cse42 (<= |ULTIMATE.start_main_~y~0#1| 2)) (.cse28 (<= 0 (+ 3 |ULTIMATE.start_main_~x~0#1|))) (.cse16 (<= 7 |ULTIMATE.start_main_~i~0#1|)) (.cse51 (<= 0 (+ 6 |ULTIMATE.start_main_~x~0#1|))) (.cse25 (<= 10 |ULTIMATE.start_main_~i~0#1|)) (.cse17 (<= |ULTIMATE.start_main_~y~0#1| 4)) (.cse24 (<= 5 |ULTIMATE.start_main_~i~0#1|)) (.cse41 (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 1))) (.cse29 (<= |ULTIMATE.start_main_~x~0#1| 2147483644)) (.cse3 (<= |ULTIMATE.start_main_~y~0#1| 1)) (.cse50 (<= |ULTIMATE.start_main_~y~0#1| 2147483645)) (.cse32 (<= 0 (+ 2 |ULTIMATE.start_main_~y~0#1|))) (.cse13 (<= |ULTIMATE.start_main_~y~0#1| 0)) (.cse19 (<= 0 (+ 2 |ULTIMATE.start_main_~x~0#1|))) (.cse4 (<= |ULTIMATE.start_main_~x~0#1| 0)) (.cse15 (<= 4 |ULTIMATE.start_main_~i~0#1|)) (.cse7 (<= 0 |ULTIMATE.start_main_~x~0#1|)) (.cse1 (<= 0 |ULTIMATE.start_main_~y~0#1|)) (.cse2 (<= |ULTIMATE.start_main_~i~0#1| 2147483646)) (.cse49 (<= |ULTIMATE.start_main_~x~0#1| 2147483642)) (.cse5 (<= 8 |ULTIMATE.start_main_~i~0#1|)) (.cse43 (<= |ULTIMATE.start_main_~y~0#1| 3)) (.cse6 (<= |ULTIMATE.start_main_~N~0#1| 10))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse1 .cse2 .cse4 .cse9 .cse6) (and .cse10 .cse1 .cse2 .cse11 .cse12 .cse13 .cse4 .cse14 .cse6 .cse15) (and .cse16 .cse7 .cse17 .cse1 .cse2 .cse18 .cse6) (and .cse17 .cse1 .cse2 .cse19 .cse4 .cse9 .cse6) (and .cse20 .cse21 .cse2 .cse13 .cse22 .cse4 .cse6) (and .cse16 .cse21 .cse7 .cse2 .cse18 .cse13 .cse6) (and .cse1 .cse2 .cse19 .cse22 .cse4 .cse6 .cse23) (and .cse21 .cse2 .cse13 .cse19 .cse4 .cse9 .cse6) (and .cse10 .cse1 .cse24 .cse2 .cse3 .cse4 .cse6) (and .cse20 .cse25 .cse2 .cse13 .cse26 .cse4 .cse6) (and .cse25 .cse27 .cse1 .cse2 .cse3 .cse4 .cse6) (and .cse16 .cse17 .cse1 .cse2 .cse4 .cse28 .cse6) (and .cse7 .cse2 .cse29 .cse13 .cse5 .cse6 .cse30) (and .cse7 .cse2 .cse31 .cse32 .cse33 .cse12 .cse13 .cse6) (and .cse7 .cse25 (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483644)) .cse2 .cse12 .cse13 .cse34 .cse4 .cse6) (and .cse16 .cse7 .cse2 .cse13 .cse26 .cse35 .cse6) (and .cse7 .cse25 .cse2 .cse13 .cse36 .cse6 .cse30) (and .cse7 .cse2 .cse33 .cse12 .cse13 .cse22 .cse37 .cse34 .cse6) (and .cse1 .cse38 .cse2 .cse11 .cse12 .cse13 .cse4 .cse5 .cse6) (and .cse7 .cse2 .cse39 .cse31 .cse13 .cse4 .cse6) (and .cse20 .cse1 .cse24 .cse2 .cse11 .cse12 .cse13 .cse4 .cse6) (and .cse7 .cse2 .cse31 .cse13 .cse35 .cse6 .cse30) (and .cse7 .cse24 .cse40 .cse2 .cse13 .cse6 .cse30) (and .cse16 .cse8 .cse1 .cse2 .cse41 .cse4 .cse6) (and .cse7 .cse42 .cse1 .cse2 .cse31 .cse33 .cse6) (and .cse7 .cse1 .cse2 .cse18 .cse43 .cse9 .cse6) (and .cse1 .cse2 .cse4 .cse28 .cse43 .cse9 .cse6) (and .cse7 .cse2 .cse39 .cse44 .cse13 .cse22 .cse6) (and .cse16 .cse7 .cse45 .cse2 .cse12 .cse13 .cse34 .cse4 .cse6) (and .cse7 .cse2 .cse12 .cse13 .cse22 .cse34 .cse4 .cse46 .cse6) (and .cse2 .cse12 .cse47 .cse13 .cse41 .cse4 .cse6 .cse30) (and .cse7 .cse2 .cse18 .cse13 .cse22 .cse48 .cse6) (and .cse10 .cse25 .cse8 .cse1 .cse2 .cse4 .cse6) (and .cse16 .cse7 .cse42 .cse1 .cse2 .cse49 .cse6) (and .cse7 .cse1 .cse2 .cse18 .cse31 .cse13 .cse6) (and .cse7 .cse1 .cse2 .cse50 .cse33 .cse22 .cse6) (and .cse1 .cse2 .cse11 .cse31 .cse12 .cse13 .cse4 .cse14 .cse28 .cse6) (and .cse7 .cse45 .cse2 .cse13 .cse22 .cse35 .cse6) (and .cse7 .cse25 .cse45 .cse2 .cse18 .cse13 .cse6) (and .cse7 .cse25 .cse1 .cse2 .cse50 .cse35 .cse6) (and .cse16 .cse2 .cse51 .cse13 .cse4 .cse6 .cse30) (and .cse7 .cse45 .cse2 .cse33 .cse12 .cse13 .cse34 .cse5 .cse6) (and .cse7 .cse1 .cse2 .cse52 .cse33 .cse9 .cse6) (and .cse7 .cse2 .cse29 .cse32 .cse13 .cse22 .cse6) (and .cse7 .cse1 .cse40 .cse2 .cse13 .cse6 .cse15) (and .cse2 .cse39 .cse13 .cse4 .cse28 .cse9 .cse6) (and .cse25 .cse1 .cse2 .cse11 .cse12 .cse13 .cse4 .cse6 (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483644))) (and .cse7 .cse1 .cse2 .cse53 .cse3 .cse22 .cse6) (and .cse0 .cse2 .cse13 .cse4 .cse5 .cse6 .cse30) (and .cse7 .cse1 .cse2 .cse33 .cse47 .cse3 .cse6) (and .cse16 .cse7 .cse8 .cse1 .cse2 .cse33 .cse6) (and .cse42 .cse1 .cse2 .cse19 .cse4 .cse6 .cse15) (and .cse2 .cse39 .cse13 .cse41 .cse4 .cse6 .cse15) (and .cse7 .cse17 .cse1 .cse2 .cse4 .cse6 .cse15) (and .cse21 .cse7 .cse40 .cse2 .cse13 .cse5 .cse6) (and .cse24 .cse2 .cse32 .cse13 .cse4 .cse28 .cse6) (and .cse7 .cse1 .cse2 .cse52 .cse18 .cse5 .cse6) (and .cse7 .cse2 .cse49 .cse13 .cse9 .cse6 .cse30) (and .cse21 .cse7 .cse2 .cse49 .cse13 .cse22 .cse6) (and .cse7 .cse1 .cse2 .cse53 .cse13 .cse5 .cse6) (and .cse20 .cse1 .cse2 .cse4 .cse5 .cse43 .cse6) (and .cse8 .cse1 .cse2 .cse19 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse1 .cse2 .cse18 .cse22 .cse6) (and .cse16 .cse7 .cse1 .cse2 .cse4 .cse6 .cse23) (and .cse16 .cse1 .cse2 .cse52 .cse19 .cse4 .cse6) (and .cse25 .cse38 .cse2 .cse32 .cse13 .cse4 .cse6) (and .cse20 .cse16 .cse2 .cse32 .cse13 .cse4 .cse6) (and .cse7 .cse1 .cse2 .cse18 .cse3 .cse6 .cse15) (and .cse7 .cse1 .cse2 .cse31 .cse4 .cse43 .cse6) (and .cse25 .cse17 .cse1 .cse2 .cse51 .cse4 .cse6) (and .cse21 .cse10 .cse2 .cse13 .cse4 .cse5 .cse6) (and .cse25 .cse1 .cse2 .cse4 .cse28 .cse6 .cse23) (and .cse7 .cse25 .cse2 .cse13 .cse37 .cse35 .cse6) (and .cse1 .cse2 .cse3 .cse4 .cse28 .cse6 .cse15) (and .cse7 .cse24 .cse2 .cse13 .cse26 .cse4 .cse6) (and .cse1 .cse2 .cse52 .cse4 .cse5 .cse28 .cse6) (and .cse7 .cse2 .cse32 .cse13 .cse35 .cse6 .cse15) (and .cse16 .cse7 .cse1 .cse40 .cse2 .cse43 .cse6) (and .cse1 .cse2 .cse41 .cse4 .cse5 .cse6 .cse23) (and .cse7 .cse1 .cse2 .cse31 .cse3 .cse35 .cse6) (and .cse2 .cse12 .cse13 .cse22 .cse37 .cse41 .cse34 .cse4 .cse6) (and .cse7 .cse2 .cse32 .cse12 .cse47 .cse13 .cse4 .cse6) (and .cse8 .cse1 .cse2 .cse22 .cse4 .cse28 .cse6) (and .cse7 .cse17 .cse1 .cse2 .cse49 .cse22 .cse6) (and .cse7 .cse42 .cse1 .cse2 .cse47 .cse4 .cse6) (and .cse16 .cse7 .cse2 .cse49 .cse32 .cse13 .cse6) (and .cse2 .cse12 .cse13 .cse26 .cse41 .cse34 .cse4 .cse9 .cse6) (and .cse7 .cse54 (<= |ULTIMATE.start_main_~i~0#1| 2147483645) .cse1 .cse33 .cse13 .cse6) (and .cse7 .cse42 .cse1 .cse2 .cse35 .cse6 .cse15) (and .cse7 .cse17 .cse1 .cse24 .cse2 .cse33 .cse6) (and .cse7 .cse8 .cse1 .cse2 .cse5 .cse35 .cse6) (and .cse21 .cse7 .cse24 .cse2 .cse33 .cse13 .cse6) (and .cse45 .cse2 .cse12 .cse13 .cse41 .cse34 .cse4 .cse5 .cse6) (and .cse16 .cse21 .cse2 .cse13 .cse4 .cse28 .cse6) (and .cse1 .cse2 .cse47 .cse13 .cse19 .cse4 .cse6) (and .cse2 .cse32 .cse51 .cse13 .cse4 .cse5 .cse6) (and .cse7 .cse1 .cse2 .cse44 .cse13 .cse9 .cse6) (and .cse1 .cse2 .cse51 .cse22 .cse4 .cse43 .cse6) (and .cse7 .cse1 .cse2 .cse13 .cse22 .cse36 .cse6) (and .cse2 .cse13 .cse4 .cse28 .cse6 .cse15 .cse30) (and .cse10 .cse2 .cse32 .cse13 .cse4 .cse9 .cse6) (and .cse25 .cse1 .cse2 .cse50 .cse19 .cse4 .cse6) (and .cse25 .cse27 .cse2 .cse13 .cse4 .cse6 .cse30) (and .cse7 .cse40 .cse2 .cse13 .cse22 .cse26 .cse6) (and .cse42 .cse1 .cse2 .cse51 .cse4 .cse5 .cse6) (and .cse7 .cse2 .cse55 .cse33 .cse12 .cse13 .cse26 .cse9 .cse6) (and .cse21 .cse7 .cse2 .cse13 .cse35 .cse9 .cse6) (and .cse7 .cse1 .cse2 .cse47 .cse13 .cse35 .cse6) (and .cse7 .cse25 .cse2 .cse49 .cse13 .cse26 .cse6) (and .cse1 .cse24 .cse2 .cse19 .cse4 .cse43 .cse6) (and .cse21 .cse24 .cse2 .cse13 .cse41 .cse4 .cse6) (and .cse7 .cse2 .cse13 .cse48 .cse5 .cse35 .cse6) (and .cse42 .cse25 .cse1 .cse38 .cse2 .cse4 .cse6) (and .cse7 .cse40 .cse2 .cse32 .cse13 .cse9 .cse6) (and .cse0 .cse2 .cse32 .cse13 .cse22 .cse4 .cse6) (and .cse7 .cse25 .cse1 .cse2 .cse4 .cse6) (and .cse7 .cse42 .cse1 .cse2 .cse44 .cse5 .cse6) (and .cse7 .cse42 .cse1 .cse40 .cse2 .cse9 .cse6) (and .cse2 .cse13 .cse19 .cse48 .cse4 .cse5 .cse6) (and .cse21 .cse7 .cse2 .cse12 .cse13 .cse34 .cse4 .cse6 .cse15) (and .cse7 .cse25 .cse8 .cse1 .cse40 .cse2 .cse6) (and .cse7 .cse56 .cse1 .cse2 .cse22 .cse4 .cse6) (and .cse24 .cse2 .cse39 .cse13 .cse19 .cse4 .cse6) (and .cse38 .cse2 .cse13 .cse22 .cse4 .cse6 .cse30) (and .cse7 .cse42 .cse25 .cse1 .cse2 .cse53 .cse6) (and .cse42 .cse0 .cse1 .cse2 .cse22 .cse4 .cse6) (and .cse16 .cse7 .cse2 .cse44 .cse13 .cse6 .cse30) (and .cse7 .cse25 .cse17 .cse1 .cse2 .cse44 .cse6) (and .cse7 .cse25 .cse1 .cse2 .cse18 .cse6 .cse23) (and .cse7 .cse25 .cse1 .cse2 .cse3 .cse36 .cse6) (and .cse16 .cse7 .cse1 .cse2 .cse29 .cse13 .cse6) (and .cse1 .cse2 .cse41 .cse4 .cse43 .cse6 .cse15) (and .cse25 .cse0 .cse2 .cse39 .cse13 .cse4 .cse6) (and .cse7 .cse2 .cse33 .cse12 .cse47 .cse13 .cse6 .cse30) (and .cse2 .cse31 .cse32 .cse12 .cse13 .cse41 .cse4 .cse6) (and .cse20 .cse25 .cse1 .cse2 .cse52 .cse4 .cse6) (and .cse7 .cse25 .cse2 .cse33 .cse12 .cse13 .cse34 .cse46 .cse6) (and .cse1 .cse2 .cse50 .cse22 .cse41 .cse4 .cse6) (and .cse7 .cse2 .cse55 .cse39 .cse33 .cse12 .cse13 .cse6 .cse15) (and .cse54 .cse1 .cse2 .cse13 .cse41 .cse4 .cse6) (and .cse21 .cse7 .cse25 .cse2 .cse44 .cse13 .cse6) (and .cse25 .cse2 .cse13 .cse19 .cse37 .cse4 .cse6) (and .cse10 .cse1 .cse2 .cse52 .cse22 .cse4 .cse6) (and .cse1 .cse2 .cse52 .cse41 .cse4 .cse9 .cse6) (and .cse7 .cse2 .cse18 .cse13 .cse6 .cse15 .cse30) (and .cse7 .cse1 .cse24 .cse2 .cse35 .cse43 .cse6) (and .cse1 .cse2 .cse47 .cse3 .cse41 .cse4 .cse6) (and .cse25 .cse0 .cse1 .cse2 .cse4 .cse43 .cse6) (and .cse7 .cse42 .cse1 .cse24 .cse2 .cse18 .cse6) (and .cse20 .cse16 .cse42 .cse1 .cse2 .cse4 .cse6) (and .cse7 .cse17 .cse1 .cse40 .cse2 .cse5 .cse6) (and .cse7 .cse1 .cse24 .cse2 .cse49 .cse13 .cse6) (and .cse7 .cse1 .cse2 .cse44 .cse22 .cse43 .cse6) (and .cse7 .cse1 .cse2 .cse22 .cse35 .cse6 .cse23) (and .cse16 .cse10 .cse1 .cse2 .cse4 .cse43 .cse6) (and .cse10 .cse42 .cse1 .cse2 .cse4 .cse9 .cse6) (and .cse45 .cse2 .cse13 .cse19 .cse22 .cse4 .cse6) (and .cse7 .cse54 .cse2 .cse12 .cse13 .cse4 .cse6 .cse30) (and .cse2 .cse13 .cse26 .cse4 .cse5 .cse28 .cse6) (and .cse20 .cse2 .cse13 .cse4 .cse9 .cse6 .cse30) (and .cse7 .cse1 .cse2 .cse49 .cse3 .cse9 .cse6) (and .cse7 .cse25 .cse1 .cse2 .cse49 .cse52 .cse6) (and .cse7 .cse2 .cse32 .cse44 .cse13 .cse5 .cse6) (and .cse16 .cse2 .cse13 .cse19 .cse26 .cse4 .cse6) (and .cse7 .cse2 .cse18 .cse13 .cse26 .cse5 .cse6) (and .cse7 .cse25 .cse56 .cse1 .cse2 .cse33 .cse6) (and .cse7 .cse25 .cse2 .cse29 .cse39 .cse13 .cse6) (and .cse16 .cse7 .cse1 .cse2 .cse44 .cse3 .cse6) (and .cse10 .cse2 .cse13 .cse22 .cse26 .cse4 .cse6) (and .cse21 .cse25 .cse2 .cse51 .cse13 .cse4 .cse6) (and .cse27 .cse1 .cse2 .cse11 .cse12 .cse13 .cse22 .cse4 .cse6) (and .cse25 .cse2 .cse12 .cse13 .cse41 .cse34 .cse4 .cse46 .cse6) (and .cse7 .cse1 .cse24 .cse40 .cse2 .cse3 .cse6) (and .cse7 .cse2 .cse12 .cse13 .cse48 .cse34 .cse4 .cse9 .cse6) (and .cse20 .cse1 .cse2 .cse3 .cse4 .cse9 .cse6) (and .cse7 .cse24 .cse2 .cse18 .cse32 .cse13 .cse6) (and .cse7 .cse42 .cse1 .cse2 .cse29 .cse22 .cse6) (and .cse7 .cse1 .cse40 .cse2 .cse52 .cse22 .cse6) (and .cse7 .cse2 .cse12 .cse13 .cse37 .cse34 .cse4 .cse5 .cse6) (and .cse16 .cse7 .cse1 .cse2 .cse52 .cse35 .cse6) (and .cse16 .cse2 .cse12 .cse13 .cse48 .cse41 .cse34 .cse4 .cse6) (and .cse25 .cse56 .cse1 .cse2 .cse41 .cse4 .cse6) (and .cse20 .cse2 .cse39 .cse13 .cse4 .cse5 .cse6) (and .cse7 .cse2 .cse53 .cse13 .cse22 .cse6 .cse30) (and .cse16 .cse7 .cse2 .cse33 .cse12 .cse13 .cse48 .cse34 .cse6) (and .cse7 .cse1 .cse2 .cse33 .cse43 .cse6 .cse15) (and .cse7 .cse1 .cse2 .cse12 .cse13 .cse4 .cse6) (and .cse7 .cse2 .cse49 .cse39 .cse13 .cse5 .cse6) (and .cse20 .cse17 .cse1 .cse2 .cse22 .cse4 .cse6) (and .cse10 .cse25 .cse2 .cse13 .cse48 .cse4 .cse6) (and .cse7 .cse54 .cse1 .cse2 .cse3 .cse4 .cse6) (and .cse1 .cse2 .cse11 .cse51 .cse12 .cse13 .cse4 .cse9 .cse6) (and .cse2 .cse31 .cse13 .cse19 .cse4 .cse6 .cse30) (and .cse16 .cse7 .cse40 .cse2 .cse39 .cse13 .cse6) (and .cse7 .cse1 .cse2 .cse33 .cse5 .cse6 .cse23) (and .cse7 .cse25 .cse1 .cse2 .cse29 .cse43 .cse6) (and .cse7 .cse25 .cse40 .cse2 .cse13 .cse48 .cse6) (and .cse7 .cse2 .cse18 .cse39 .cse13 .cse9 .cse6) (and .cse1 .cse38 .cse2 .cse3 .cse22 .cse4 .cse6) (and .cse16 .cse0 .cse1 .cse2 .cse11 .cse12 .cse13 .cse4 .cse6) (and .cse7 .cse24 .cse2 .cse39 .cse13 .cse35 .cse6) (and .cse2 .cse13 .cse22 .cse48 .cse4 .cse28 .cse6) (and .cse7 .cse1 .cse24 .cse2 .cse52 .cse4 .cse6) (and .cse7 .cse17 .cse1 .cse2 .cse35 .cse9 .cse6) (and .cse7 .cse25 .cse2 .cse32 .cse53 .cse13 .cse6) (and .cse10 .cse24 .cse2 .cse13 .cse4 .cse6 .cse30) (and .cse42 .cse1 .cse2 .cse31 .cse41 .cse4 .cse6) (and .cse1 .cse2 .cse31 .cse19 .cse3 .cse4 .cse6) (and .cse2 .cse39 .cse51 .cse13 .cse22 .cse4 .cse6) (and .cse16 .cse10 .cse2 .cse39 .cse13 .cse4 .cse6) (and .cse25 .cse45 .cse2 .cse13 .cse4 .cse28 .cse6) (and .cse10 .cse17 .cse1 .cse2 .cse4 .cse5 .cse6) (and .cse42 .cse1 .cse24 .cse2 .cse4 .cse28 .cse6) (and .cse16 .cse1 .cse2 .cse51 .cse3 .cse4 .cse6) (and .cse7 .cse25 .cse1 .cse2 .cse13 .cse6) (and .cse17 .cse1 .cse24 .cse2 .cse41 .cse4 .cse6) (and .cse7 .cse1 .cse2 .cse29 .cse3 .cse5 .cse6) (and .cse7 .cse1 .cse2 .cse50 .cse4 .cse5 .cse6) (and .cse2 .cse32 .cse13 .cse19 .cse4 .cse6 .cse15) (and .cse7 .cse1 .cse2 .cse49 .cse5 .cse43 .cse6))) [2021-12-06 20:37:17,116 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2021-12-06 20:37:17,118 INFO L732 BasicCegarLoop]: Path program histogram: [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:37:17,119 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 20:37:17,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 08:37:17 BoogieIcfgContainer [2021-12-06 20:37:17,165 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 20:37:17,166 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 20:37:17,166 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 20:37:17,166 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 20:37:17,166 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:24:45" (3/4) ... [2021-12-06 20:37:17,168 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-06 20:37:17,175 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-06 20:37:17,176 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-12-06 20:37:17,176 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 20:37:17,212 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 20:37:17,212 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 20:37:17,212 INFO L158 Benchmark]: Toolchain (without parser) took 751684.72ms. Allocated memory was 127.9MB in the beginning and 5.7GB in the end (delta: 5.6GB). Free memory was 90.7MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 4.4GB. Max. memory is 16.1GB. [2021-12-06 20:37:17,213 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 127.9MB. Free memory was 107.5MB in the beginning and 107.4MB in the end (delta: 119.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 20:37:17,213 INFO L158 Benchmark]: CACSL2BoogieTranslator took 135.90ms. Allocated memory is still 127.9MB. Free memory was 90.6MB in the beginning and 81.8MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-06 20:37:17,213 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.33ms. Allocated memory is still 127.9MB. Free memory was 81.8MB in the beginning and 80.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 20:37:17,213 INFO L158 Benchmark]: Boogie Preprocessor took 17.58ms. Allocated memory is still 127.9MB. Free memory was 80.4MB in the beginning and 79.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 20:37:17,214 INFO L158 Benchmark]: RCFGBuilder took 215.41ms. Allocated memory is still 127.9MB. Free memory was 79.4MB in the beginning and 69.9MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 20:37:17,214 INFO L158 Benchmark]: TraceAbstraction took 751234.14ms. Allocated memory was 127.9MB in the beginning and 5.7GB in the end (delta: 5.6GB). Free memory was 69.4MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 5.2GB. Max. memory is 16.1GB. [2021-12-06 20:37:17,214 INFO L158 Benchmark]: Witness Printer took 46.41ms. Allocated memory is still 5.7GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-06 20:37:17,215 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 127.9MB. Free memory was 107.5MB in the beginning and 107.4MB in the end (delta: 119.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 135.90ms. Allocated memory is still 127.9MB. Free memory was 90.6MB in the beginning and 81.8MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.33ms. Allocated memory is still 127.9MB. Free memory was 81.8MB in the beginning and 80.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.58ms. Allocated memory is still 127.9MB. Free memory was 80.4MB in the beginning and 79.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 215.41ms. Allocated memory is still 127.9MB. Free memory was 79.4MB in the beginning and 69.9MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 751234.14ms. Allocated memory was 127.9MB in the beginning and 5.7GB in the end (delta: 5.6GB). Free memory was 69.4MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 5.2GB. Max. memory is 16.1GB. * Witness Printer took 46.41ms. Allocated memory is still 5.7GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 32 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 751.1s, OverallIterations: 19, TraceHistogramMax: 11, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 9.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 725.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2906 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2906 mSDsluCounter, 2725 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2086 mSDsCounter, 554 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 544 IncrementalHoareTripleChecker+Invalid, 1098 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 554 mSolverCounterUnsat, 639 mSDtfsCounter, 544 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 873 GetRequests, 758 SyntacticMatches, 1 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=224758occurred in iteration=18, InterpolantAutomatonStates: 135, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 10.1s AutomataMinimizationTime, 19 MinimizatonAttempts, 328903 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 1854 NumberOfFragments, 5486 HoareAnnotationTreeSize, 2 FomulaSimplifications, 1571019 FormulaSimplificationTreeSizeReduction, 664.6s HoareSimplificationTime, 2 FomulaSimplificationsInter, 81909 FormulaSimplificationTreeSizeReductionInter, 60.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 943 NumberOfCodeBlocks, 927 NumberOfCodeBlocksAsserted, 46 NumberOfCheckSat, 1269 ConstructedInterpolants, 0 QuantifiedInterpolants, 5061 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1023 ConjunctsInSsa, 67 ConjunctsInUnsatCore, 44 InterpolantComputations, 7 PerfectInterpolantSequences, 459/2682 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 - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0 <= x + 2147483641 && 0 <= y) && i <= 2147483646) && y <= 1) && x <= 0) && 8 <= i) && N <= 10) || ((((((0 <= x && y <= 2147483643) && 0 <= y) && i <= 2147483646) && x <= 0) && 6 <= i) && N <= 10)) || (((((((((0 <= x + 4 && 0 <= y) && i <= 2147483646) && 0 <= x + 2147483648) && 0 <= i) && y <= 0) && x <= 0) && 0 <= x + 2147483646) && N <= 10) && 4 <= i)) || ((((((7 <= i && 0 <= x) && y <= 4) && 0 <= y) && i <= 2147483646) && x <= 3) && N <= 10)) || ((((((y <= 4 && 0 <= y) && i <= 2147483646) && 0 <= 2 + x) && x <= 0) && 6 <= i) && N <= 10)) || ((((((0 <= 5 + x && 0 <= y + 4) && i <= 2147483646) && y <= 0) && 9 <= i) && x <= 0) && N <= 10)) || ((((((7 <= i && 0 <= y + 4) && 0 <= x) && i <= 2147483646) && x <= 3) && y <= 0) && N <= 10)) || ((((((0 <= y && i <= 2147483646) && 0 <= 2 + x) && 9 <= i) && x <= 0) && N <= 10) && y <= 2147483644)) || ((((((0 <= y + 4 && i <= 2147483646) && y <= 0) && 0 <= 2 + x) && x <= 0) && 6 <= i) && N <= 10)) || ((((((0 <= x + 4 && 0 <= y) && 5 <= i) && i <= 2147483646) && y <= 1) && x <= 0) && N <= 10)) || ((((((0 <= 5 + x && 10 <= i) && i <= 2147483646) && y <= 0) && 0 <= 5 + y) && x <= 0) && N <= 10)) || ((((((10 <= i && 0 <= 2147483643 + x) && 0 <= y) && i <= 2147483646) && y <= 1) && x <= 0) && N <= 10)) || ((((((7 <= i && y <= 4) && 0 <= y) && i <= 2147483646) && x <= 0) && 0 <= 3 + x) && N <= 10)) || ((((((0 <= x && i <= 2147483646) && x <= 2147483644) && y <= 0) && 8 <= i) && N <= 10) && 0 <= y + 1)) || (((((((0 <= x && i <= 2147483646) && 3 <= i) && 0 <= 2 + y) && x <= 1) && 0 <= i) && y <= 0) && N <= 10)) || ((((((((0 <= x && 10 <= i) && 0 <= y + 2147483644) && i <= 2147483646) && 0 <= i) && y <= 0) && 0 <= y + 2147483648) && x <= 0) && N <= 10)) || ((((((7 <= i && 0 <= x) && i <= 2147483646) && y <= 0) && 0 <= 5 + y) && x <= 2) && N <= 10)) || ((((((0 <= x && 10 <= i) && i <= 2147483646) && y <= 0) && x <= 2147483646) && N <= 10) && 0 <= y + 1)) || ((((((((0 <= x && i <= 2147483646) && x <= 1) && 0 <= i) && y <= 0) && 9 <= i) && 0 <= y + 2147483642) && 0 <= y + 2147483648) && N <= 10)) || ((((((((0 <= y && 0 <= x + 2147483642) && i <= 2147483646) && 0 <= x + 2147483648) && 0 <= i) && y <= 0) && x <= 0) && 8 <= i) && N <= 10)) || ((((((0 <= x && i <= 2147483646) && 0 <= 3 + y) && 3 <= i) && y <= 0) && x <= 0) && N <= 10)) || ((((((((0 <= 5 + x && 0 <= y) && 5 <= i) && i <= 2147483646) && 0 <= x + 2147483648) && 0 <= i) && y <= 0) && x <= 0) && N <= 10)) || ((((((0 <= x && i <= 2147483646) && 3 <= i) && y <= 0) && x <= 2) && N <= 10) && 0 <= y + 1)) || ((((((0 <= x && 5 <= i) && x <= 4) && i <= 2147483646) && y <= 0) && N <= 10) && 0 <= y + 1)) || ((((((7 <= i && y <= 2147483643) && 0 <= y) && i <= 2147483646) && 0 <= x + 1) && x <= 0) && N <= 10)) || ((((((0 <= x && y <= 2) && 0 <= y) && i <= 2147483646) && 3 <= i) && x <= 1) && N <= 10)) || ((((((0 <= x && 0 <= y) && i <= 2147483646) && x <= 3) && y <= 3) && 6 <= i) && N <= 10)) || ((((((0 <= y && i <= 2147483646) && x <= 0) && 0 <= 3 + x) && y <= 3) && 6 <= i) && N <= 10)) || ((((((0 <= x && i <= 2147483646) && 0 <= 3 + y) && x <= 2147483643) && y <= 0) && 9 <= i) && N <= 10)) || ((((((((7 <= i && 0 <= x) && 0 <= y + 2147483641) && i <= 2147483646) && 0 <= i) && y <= 0) && 0 <= y + 2147483648) && x <= 0) && N <= 10)) || ((((((((0 <= x && i <= 2147483646) && 0 <= i) && y <= 0) && 9 <= i) && 0 <= y + 2147483648) && x <= 0) && 0 <= 2147483643 + y) && N <= 10)) || (((((((i <= 2147483646 && 0 <= i) && 2 <= i) && y <= 0) && 0 <= x + 1) && x <= 0) && N <= 10) && 0 <= y + 1)) || ((((((0 <= x && i <= 2147483646) && x <= 3) && y <= 0) && 9 <= i) && 0 <= 6 + y) && N <= 10)) || ((((((0 <= x + 4 && 10 <= i) && y <= 2147483643) && 0 <= y) && i <= 2147483646) && x <= 0) && N <= 10)) || ((((((7 <= i && 0 <= x) && y <= 2) && 0 <= y) && i <= 2147483646) && x <= 2147483642) && N <= 10)) || ((((((0 <= x && 0 <= y) && i <= 2147483646) && x <= 3) && 3 <= i) && y <= 0) && N <= 10)) || ((((((0 <= x && 0 <= y) && i <= 2147483646) && y <= 2147483645) && x <= 1) && 9 <= i) && N <= 10)) || (((((((((0 <= y && i <= 2147483646) && 0 <= x + 2147483648) && 3 <= i) && 0 <= i) && y <= 0) && x <= 0) && 0 <= x + 2147483646) && 0 <= 3 + x) && N <= 10)) || ((((((0 <= x && 0 <= y + 2147483641) && i <= 2147483646) && y <= 0) && 9 <= i) && x <= 2) && N <= 10)) || ((((((0 <= x && 10 <= i) && 0 <= y + 2147483641) && i <= 2147483646) && x <= 3) && y <= 0) && N <= 10)) || ((((((0 <= x && 10 <= i) && 0 <= y) && i <= 2147483646) && y <= 2147483645) && x <= 2) && N <= 10)) || ((((((7 <= i && i <= 2147483646) && 0 <= 6 + x) && y <= 0) && x <= 0) && N <= 10) && 0 <= y + 1)) || ((((((((0 <= x && 0 <= y + 2147483641) && i <= 2147483646) && x <= 1) && 0 <= i) && y <= 0) && 0 <= y + 2147483648) && 8 <= i) && N <= 10)) || ((((((0 <= x && 0 <= y) && i <= 2147483646) && y <= 2147483642) && x <= 1) && 6 <= i) && N <= 10)) || ((((((0 <= x && i <= 2147483646) && x <= 2147483644) && 0 <= 2 + y) && y <= 0) && 9 <= i) && N <= 10)) || ((((((0 <= x && 0 <= y) && x <= 4) && i <= 2147483646) && y <= 0) && N <= 10) && 4 <= i)) || ((((((i <= 2147483646 && 0 <= 3 + y) && y <= 0) && x <= 0) && 0 <= 3 + x) && 6 <= i) && N <= 10)) || ((((((((10 <= i && 0 <= y) && i <= 2147483646) && 0 <= x + 2147483648) && 0 <= i) && y <= 0) && x <= 0) && N <= 10) && 0 <= x + 2147483644)) || ((((((0 <= x && 0 <= y) && i <= 2147483646) && x <= 2147483645) && y <= 1) && 9 <= i) && N <= 10)) || ((((((0 <= x + 2147483641 && i <= 2147483646) && y <= 0) && x <= 0) && 8 <= i) && N <= 10) && 0 <= y + 1)) || ((((((0 <= x && 0 <= y) && i <= 2147483646) && x <= 1) && 2 <= i) && y <= 1) && N <= 10)) || ((((((7 <= i && 0 <= x) && y <= 2147483643) && 0 <= y) && i <= 2147483646) && x <= 1) && N <= 10)) || ((((((y <= 2 && 0 <= y) && i <= 2147483646) && 0 <= 2 + x) && x <= 0) && N <= 10) && 4 <= i)) || ((((((i <= 2147483646 && 0 <= 3 + y) && y <= 0) && 0 <= x + 1) && x <= 0) && N <= 10) && 4 <= i)) || ((((((0 <= x && y <= 4) && 0 <= y) && i <= 2147483646) && x <= 0) && N <= 10) && 4 <= i)) || ((((((0 <= y + 4 && 0 <= x) && x <= 4) && i <= 2147483646) && y <= 0) && 8 <= i) && N <= 10)) || ((((((5 <= i && i <= 2147483646) && 0 <= 2 + y) && y <= 0) && x <= 0) && 0 <= 3 + x) && N <= 10)) || ((((((0 <= x && 0 <= y) && i <= 2147483646) && y <= 2147483642) && x <= 3) && 8 <= i) && N <= 10)) || ((((((0 <= x && i <= 2147483646) && x <= 2147483642) && y <= 0) && 6 <= i) && N <= 10) && 0 <= y + 1)) || ((((((0 <= y + 4 && 0 <= x) && i <= 2147483646) && x <= 2147483642) && y <= 0) && 9 <= i) && N <= 10)) || ((((((0 <= x && 0 <= y) && i <= 2147483646) && x <= 2147483645) && y <= 0) && 8 <= i) && N <= 10)) || ((((((0 <= 5 + x && 0 <= y) && i <= 2147483646) && x <= 0) && 8 <= i) && y <= 3) && N <= 10)) || ((((((y <= 2147483643 && 0 <= y) && i <= 2147483646) && 0 <= 2 + x) && x <= 0) && 8 <= i) && N <= 10)) || ((((((0 <= x && y <= 2147483643) && 0 <= y) && i <= 2147483646) && x <= 3) && 9 <= i) && N <= 10)) || ((((((7 <= i && 0 <= x) && 0 <= y) && i <= 2147483646) && x <= 0) && N <= 10) && y <= 2147483644)) || ((((((7 <= i && 0 <= y) && i <= 2147483646) && y <= 2147483642) && 0 <= 2 + x) && x <= 0) && N <= 10)) || ((((((10 <= i && 0 <= x + 2147483642) && i <= 2147483646) && 0 <= 2 + y) && y <= 0) && x <= 0) && N <= 10)) || ((((((0 <= 5 + x && 7 <= i) && i <= 2147483646) && 0 <= 2 + y) && y <= 0) && x <= 0) && N <= 10)) || ((((((0 <= x && 0 <= y) && i <= 2147483646) && x <= 3) && y <= 1) && N <= 10) && 4 <= i)) || ((((((0 <= x && 0 <= y) && i <= 2147483646) && 3 <= i) && x <= 0) && y <= 3) && N <= 10)) || ((((((10 <= i && y <= 4) && 0 <= y) && i <= 2147483646) && 0 <= 6 + x) && x <= 0) && N <= 10)) || ((((((0 <= y + 4 && 0 <= x + 4) && i <= 2147483646) && y <= 0) && x <= 0) && 8 <= i) && N <= 10)) || ((((((10 <= i && 0 <= y) && i <= 2147483646) && x <= 0) && 0 <= 3 + x) && N <= 10) && y <= 2147483644)) || ((((((0 <= x && 10 <= i) && i <= 2147483646) && y <= 0) && 0 <= y + 2147483642) && x <= 2) && N <= 10)) || ((((((0 <= y && i <= 2147483646) && y <= 1) && x <= 0) && 0 <= 3 + x) && N <= 10) && 4 <= i)) || ((((((0 <= x && 5 <= i) && i <= 2147483646) && y <= 0) && 0 <= 5 + y) && x <= 0) && N <= 10)) || ((((((0 <= y && i <= 2147483646) && y <= 2147483642) && x <= 0) && 8 <= i) && 0 <= 3 + x) && N <= 10)) || ((((((0 <= x && i <= 2147483646) && 0 <= 2 + y) && y <= 0) && x <= 2) && N <= 10) && 4 <= i)) || ((((((7 <= i && 0 <= x) && 0 <= y) && x <= 4) && i <= 2147483646) && y <= 3) && N <= 10)) || ((((((0 <= y && i <= 2147483646) && 0 <= x + 1) && x <= 0) && 8 <= i) && N <= 10) && y <= 2147483644)) || ((((((0 <= x && 0 <= y) && i <= 2147483646) && 3 <= i) && y <= 1) && x <= 2) && N <= 10)) || ((((((((i <= 2147483646 && 0 <= i) && y <= 0) && 9 <= i) && 0 <= y + 2147483642) && 0 <= x + 1) && 0 <= y + 2147483648) && x <= 0) && N <= 10)) || (((((((0 <= x && i <= 2147483646) && 0 <= 2 + y) && 0 <= i) && 2 <= i) && y <= 0) && x <= 0) && N <= 10)) || ((((((y <= 2147483643 && 0 <= y) && i <= 2147483646) && 9 <= i) && x <= 0) && 0 <= 3 + x) && N <= 10)) || ((((((0 <= x && y <= 4) && 0 <= y) && i <= 2147483646) && x <= 2147483642) && 9 <= i) && N <= 10)) || ((((((0 <= x && y <= 2) && 0 <= y) && i <= 2147483646) && 2 <= i) && x <= 0) && N <= 10)) || ((((((7 <= i && 0 <= x) && i <= 2147483646) && x <= 2147483642) && 0 <= 2 + y) && y <= 0) && N <= 10)) || ((((((((i <= 2147483646 && 0 <= i) && y <= 0) && 0 <= 5 + y) && 0 <= x + 1) && 0 <= y + 2147483648) && x <= 0) && 6 <= i) && N <= 10)) || ((((((0 <= x && 1 <= i) && i <= 2147483645) && 0 <= y) && x <= 1) && y <= 0) && N <= 10)) || ((((((0 <= x && y <= 2) && 0 <= y) && i <= 2147483646) && x <= 2) && N <= 10) && 4 <= i)) || ((((((0 <= x && y <= 4) && 0 <= y) && 5 <= i) && i <= 2147483646) && x <= 1) && N <= 10)) || ((((((0 <= x && y <= 2147483643) && 0 <= y) && i <= 2147483646) && 8 <= i) && x <= 2) && N <= 10)) || ((((((0 <= y + 4 && 0 <= x) && 5 <= i) && i <= 2147483646) && x <= 1) && y <= 0) && N <= 10)) || ((((((((0 <= y + 2147483641 && i <= 2147483646) && 0 <= i) && y <= 0) && 0 <= x + 1) && 0 <= y + 2147483648) && x <= 0) && 8 <= i) && N <= 10)) || ((((((7 <= i && 0 <= y + 4) && i <= 2147483646) && y <= 0) && x <= 0) && 0 <= 3 + x) && N <= 10)) || ((((((0 <= y && i <= 2147483646) && 2 <= i) && y <= 0) && 0 <= 2 + x) && x <= 0) && N <= 10)) || ((((((i <= 2147483646 && 0 <= 2 + y) && 0 <= 6 + x) && y <= 0) && x <= 0) && 8 <= i) && N <= 10)) || ((((((0 <= x && 0 <= y) && i <= 2147483646) && x <= 2147483643) && y <= 0) && 6 <= i) && N <= 10)) || ((((((0 <= y && i <= 2147483646) && 0 <= 6 + x) && 9 <= i) && x <= 0) && y <= 3) && N <= 10)) || ((((((0 <= x && 0 <= y) && i <= 2147483646) && y <= 0) && 9 <= i) && x <= 2147483646) && N <= 10)) || ((((((i <= 2147483646 && y <= 0) && x <= 0) && 0 <= 3 + x) && N <= 10) && 4 <= i) && 0 <= y + 1)) || ((((((0 <= x + 4 && i <= 2147483646) && 0 <= 2 + y) && y <= 0) && x <= 0) && 6 <= i) && N <= 10)) || ((((((10 <= i && 0 <= y) && i <= 2147483646) && y <= 2147483645) && 0 <= 2 + x) && x <= 0) && N <= 10)) || ((((((10 <= i && 0 <= 2147483643 + x) && i <= 2147483646) && y <= 0) && x <= 0) && N <= 10) && 0 <= y + 1)) || ((((((0 <= x && x <= 4) && i <= 2147483646) && y <= 0) && 9 <= i) && 0 <= 5 + y) && N <= 10)) || ((((((y <= 2 && 0 <= y) && i <= 2147483646) && 0 <= 6 + x) && x <= 0) && 8 <= i) && N <= 10)) || ((((((((0 <= x && i <= 2147483646) && 0 <= 2147483647 + y) && x <= 1) && 0 <= i) && y <= 0) && 0 <= 5 + y) && 6 <= i) && N <= 10)) || ((((((0 <= y + 4 && 0 <= x) && i <= 2147483646) && y <= 0) && x <= 2) && 6 <= i) && N <= 10)) || ((((((0 <= x && 0 <= y) && i <= 2147483646) && 2 <= i) && y <= 0) && x <= 2) && N <= 10)) || ((((((0 <= x && 10 <= i) && i <= 2147483646) && x <= 2147483642) && y <= 0) && 0 <= 5 + y) && N <= 10)) || ((((((0 <= y && 5 <= i) && i <= 2147483646) && 0 <= 2 + x) && x <= 0) && y <= 3) && N <= 10)) || ((((((0 <= y + 4 && 5 <= i) && i <= 2147483646) && y <= 0) && 0 <= x + 1) && x <= 0) && N <= 10)) || ((((((0 <= x && i <= 2147483646) && y <= 0) && 0 <= 6 + y) && 8 <= i) && x <= 2) && N <= 10)) || ((((((y <= 2 && 10 <= i) && 0 <= y) && 0 <= x + 2147483642) && i <= 2147483646) && x <= 0) && N <= 10)) || ((((((0 <= x && x <= 4) && i <= 2147483646) && 0 <= 2 + y) && y <= 0) && 6 <= i) && N <= 10)) || ((((((0 <= x + 2147483641 && i <= 2147483646) && 0 <= 2 + y) && y <= 0) && 9 <= i) && x <= 0) && N <= 10)) || (((((0 <= x && 10 <= i) && 0 <= y) && i <= 2147483646) && x <= 0) && N <= 10)) || ((((((0 <= x && y <= 2) && 0 <= y) && i <= 2147483646) && x <= 2147483643) && 8 <= i) && N <= 10)) || ((((((0 <= x && y <= 2) && 0 <= y) && x <= 4) && i <= 2147483646) && 6 <= i) && N <= 10)) || ((((((i <= 2147483646 && y <= 0) && 0 <= 2 + x) && 0 <= 6 + y) && x <= 0) && 8 <= i) && N <= 10)) || ((((((((0 <= y + 4 && 0 <= x) && i <= 2147483646) && 0 <= i) && y <= 0) && 0 <= y + 2147483648) && x <= 0) && N <= 10) && 4 <= i)) || ((((((0 <= x && 10 <= i) && y <= 2147483643) && 0 <= y) && x <= 4) && i <= 2147483646) && N <= 10)) || ((((((0 <= x && y <= 2147483646) && 0 <= y) && i <= 2147483646) && 9 <= i) && x <= 0) && N <= 10)) || ((((((5 <= i && i <= 2147483646) && 0 <= 3 + y) && y <= 0) && 0 <= 2 + x) && x <= 0) && N <= 10)) || ((((((0 <= x + 2147483642 && i <= 2147483646) && y <= 0) && 9 <= i) && x <= 0) && N <= 10) && 0 <= y + 1)) || ((((((0 <= x && y <= 2) && 10 <= i) && 0 <= y) && i <= 2147483646) && x <= 2147483645) && N <= 10)) || ((((((y <= 2 && 0 <= x + 2147483641) && 0 <= y) && i <= 2147483646) && 9 <= i) && x <= 0) && N <= 10)) || ((((((7 <= i && 0 <= x) && i <= 2147483646) && x <= 2147483643) && y <= 0) && N <= 10) && 0 <= y + 1)) || ((((((0 <= x && 10 <= i) && y <= 4) && 0 <= y) && i <= 2147483646) && x <= 2147483643) && N <= 10)) || ((((((0 <= x && 10 <= i) && 0 <= y) && i <= 2147483646) && x <= 3) && N <= 10) && y <= 2147483644)) || ((((((0 <= x && 10 <= i) && 0 <= y) && i <= 2147483646) && y <= 1) && x <= 2147483646) && N <= 10)) || ((((((7 <= i && 0 <= x) && 0 <= y) && i <= 2147483646) && x <= 2147483644) && y <= 0) && N <= 10)) || ((((((0 <= y && i <= 2147483646) && 0 <= x + 1) && x <= 0) && y <= 3) && N <= 10) && 4 <= i)) || ((((((10 <= i && 0 <= x + 2147483641) && i <= 2147483646) && 0 <= 3 + y) && y <= 0) && x <= 0) && N <= 10)) || (((((((0 <= x && i <= 2147483646) && x <= 1) && 0 <= i) && 2 <= i) && y <= 0) && N <= 10) && 0 <= y + 1)) || (((((((i <= 2147483646 && 3 <= i) && 0 <= 2 + y) && 0 <= i) && y <= 0) && 0 <= x + 1) && x <= 0) && N <= 10)) || ((((((0 <= 5 + x && 10 <= i) && 0 <= y) && i <= 2147483646) && y <= 2147483642) && x <= 0) && N <= 10)) || ((((((((0 <= x && 10 <= i) && i <= 2147483646) && x <= 1) && 0 <= i) && y <= 0) && 0 <= y + 2147483648) && 0 <= 2147483643 + y) && N <= 10)) || ((((((0 <= y && i <= 2147483646) && y <= 2147483645) && 9 <= i) && 0 <= x + 1) && x <= 0) && N <= 10)) || ((((((((0 <= x && i <= 2147483646) && 0 <= 2147483647 + y) && 0 <= 3 + y) && x <= 1) && 0 <= i) && y <= 0) && N <= 10) && 4 <= i)) || ((((((1 <= i && 0 <= y) && i <= 2147483646) && y <= 0) && 0 <= x + 1) && x <= 0) && N <= 10)) || ((((((0 <= y + 4 && 0 <= x) && 10 <= i) && i <= 2147483646) && x <= 2147483643) && y <= 0) && N <= 10)) || ((((((10 <= i && i <= 2147483646) && y <= 0) && 0 <= 2 + x) && 0 <= y + 2147483642) && x <= 0) && N <= 10)) || ((((((0 <= x + 4 && 0 <= y) && i <= 2147483646) && y <= 2147483642) && 9 <= i) && x <= 0) && N <= 10)) || ((((((0 <= y && i <= 2147483646) && y <= 2147483642) && 0 <= x + 1) && x <= 0) && 6 <= i) && N <= 10)) || ((((((0 <= x && i <= 2147483646) && x <= 3) && y <= 0) && N <= 10) && 4 <= i) && 0 <= y + 1)) || ((((((0 <= x && 0 <= y) && 5 <= i) && i <= 2147483646) && x <= 2) && y <= 3) && N <= 10)) || ((((((0 <= y && i <= 2147483646) && 2 <= i) && y <= 1) && 0 <= x + 1) && x <= 0) && N <= 10)) || ((((((10 <= i && 0 <= x + 2147483641) && 0 <= y) && i <= 2147483646) && x <= 0) && y <= 3) && N <= 10)) || ((((((0 <= x && y <= 2) && 0 <= y) && 5 <= i) && i <= 2147483646) && x <= 3) && N <= 10)) || ((((((0 <= 5 + x && 7 <= i) && y <= 2) && 0 <= y) && i <= 2147483646) && x <= 0) && N <= 10)) || ((((((0 <= x && y <= 4) && 0 <= y) && x <= 4) && i <= 2147483646) && 8 <= i) && N <= 10)) || ((((((0 <= x && 0 <= y) && 5 <= i) && i <= 2147483646) && x <= 2147483642) && y <= 0) && N <= 10)) || ((((((0 <= x && 0 <= y) && i <= 2147483646) && x <= 2147483643) && 9 <= i) && y <= 3) && N <= 10)) || ((((((0 <= x && 0 <= y) && i <= 2147483646) && 9 <= i) && x <= 2) && N <= 10) && y <= 2147483644)) || ((((((7 <= i && 0 <= x + 4) && 0 <= y) && i <= 2147483646) && x <= 0) && y <= 3) && N <= 10)) || ((((((0 <= x + 4 && y <= 2) && 0 <= y) && i <= 2147483646) && x <= 0) && 6 <= i) && N <= 10)) || ((((((0 <= y + 2147483641 && i <= 2147483646) && y <= 0) && 0 <= 2 + x) && 9 <= i) && x <= 0) && N <= 10)) || (((((((0 <= x && 1 <= i) && i <= 2147483646) && 0 <= i) && y <= 0) && x <= 0) && N <= 10) && 0 <= y + 1)) || ((((((i <= 2147483646 && y <= 0) && 0 <= 5 + y) && x <= 0) && 8 <= i) && 0 <= 3 + x) && N <= 10)) || ((((((0 <= 5 + x && i <= 2147483646) && y <= 0) && x <= 0) && 6 <= i) && N <= 10) && 0 <= y + 1)) || ((((((0 <= x && 0 <= y) && i <= 2147483646) && x <= 2147483642) && y <= 1) && 6 <= i) && N <= 10)) || ((((((0 <= x && 10 <= i) && 0 <= y) && i <= 2147483646) && x <= 2147483642) && y <= 2147483642) && N <= 10)) || ((((((0 <= x && i <= 2147483646) && 0 <= 2 + y) && x <= 2147483643) && y <= 0) && 8 <= i) && N <= 10)) || ((((((7 <= i && i <= 2147483646) && y <= 0) && 0 <= 2 + x) && 0 <= 5 + y) && x <= 0) && N <= 10)) || ((((((0 <= x && i <= 2147483646) && x <= 3) && y <= 0) && 0 <= 5 + y) && 8 <= i) && N <= 10)) || ((((((0 <= x && 10 <= i) && y <= 2147483646) && 0 <= y) && i <= 2147483646) && x <= 1) && N <= 10)) || ((((((0 <= x && 10 <= i) && i <= 2147483646) && x <= 2147483644) && 0 <= 3 + y) && y <= 0) && N <= 10)) || ((((((7 <= i && 0 <= x) && 0 <= y) && i <= 2147483646) && x <= 2147483643) && y <= 1) && N <= 10)) || ((((((0 <= x + 4 && i <= 2147483646) && y <= 0) && 9 <= i) && 0 <= 5 + y) && x <= 0) && N <= 10)) || ((((((0 <= y + 4 && 10 <= i) && i <= 2147483646) && 0 <= 6 + x) && y <= 0) && x <= 0) && N <= 10)) || ((((((((0 <= 2147483643 + x && 0 <= y) && i <= 2147483646) && 0 <= x + 2147483648) && 0 <= i) && y <= 0) && 9 <= i) && x <= 0) && N <= 10)) || ((((((((10 <= i && i <= 2147483646) && 0 <= i) && y <= 0) && 0 <= x + 1) && 0 <= y + 2147483648) && x <= 0) && 0 <= 2147483643 + y) && N <= 10)) || ((((((0 <= x && 0 <= y) && 5 <= i) && x <= 4) && i <= 2147483646) && y <= 1) && N <= 10)) || ((((((((0 <= x && i <= 2147483646) && 0 <= i) && y <= 0) && 0 <= 6 + y) && 0 <= y + 2147483648) && x <= 0) && 6 <= i) && N <= 10)) || ((((((0 <= 5 + x && 0 <= y) && i <= 2147483646) && y <= 1) && x <= 0) && 6 <= i) && N <= 10)) || ((((((0 <= x && 5 <= i) && i <= 2147483646) && x <= 3) && 0 <= 2 + y) && y <= 0) && N <= 10)) || ((((((0 <= x && y <= 2) && 0 <= y) && i <= 2147483646) && x <= 2147483644) && 9 <= i) && N <= 10)) || ((((((0 <= x && 0 <= y) && x <= 4) && i <= 2147483646) && y <= 2147483642) && 9 <= i) && N <= 10)) || ((((((((0 <= x && i <= 2147483646) && 0 <= i) && y <= 0) && 0 <= y + 2147483642) && 0 <= y + 2147483648) && x <= 0) && 8 <= i) && N <= 10)) || ((((((7 <= i && 0 <= x) && 0 <= y) && i <= 2147483646) && y <= 2147483642) && x <= 2) && N <= 10)) || ((((((((7 <= i && i <= 2147483646) && 0 <= i) && y <= 0) && 0 <= 6 + y) && 0 <= x + 1) && 0 <= y + 2147483648) && x <= 0) && N <= 10)) || ((((((10 <= i && y <= 2147483646) && 0 <= y) && i <= 2147483646) && 0 <= x + 1) && x <= 0) && N <= 10)) || ((((((0 <= 5 + x && i <= 2147483646) && 0 <= 3 + y) && y <= 0) && x <= 0) && 8 <= i) && N <= 10)) || ((((((0 <= x && i <= 2147483646) && x <= 2147483645) && y <= 0) && 9 <= i) && N <= 10) && 0 <= y + 1)) || ((((((((7 <= i && 0 <= x) && i <= 2147483646) && x <= 1) && 0 <= i) && y <= 0) && 0 <= 6 + y) && 0 <= y + 2147483648) && N <= 10)) || ((((((0 <= x && 0 <= y) && i <= 2147483646) && x <= 1) && y <= 3) && N <= 10) && 4 <= i)) || ((((((0 <= x && 0 <= y) && i <= 2147483646) && 0 <= i) && y <= 0) && x <= 0) && N <= 10)) || ((((((0 <= x && i <= 2147483646) && x <= 2147483642) && 0 <= 3 + y) && y <= 0) && 8 <= i) && N <= 10)) || ((((((0 <= 5 + x && y <= 4) && 0 <= y) && i <= 2147483646) && 9 <= i) && x <= 0) && N <= 10)) || ((((((0 <= x + 4 && 10 <= i) && i <= 2147483646) && y <= 0) && 0 <= 6 + y) && x <= 0) && N <= 10)) || ((((((0 <= x && 1 <= i) && 0 <= y) && i <= 2147483646) && y <= 1) && x <= 0) && N <= 10)) || ((((((((0 <= y && i <= 2147483646) && 0 <= x + 2147483648) && 0 <= 6 + x) && 0 <= i) && y <= 0) && x <= 0) && 6 <= i) && N <= 10)) || ((((((i <= 2147483646 && 3 <= i) && y <= 0) && 0 <= 2 + x) && x <= 0) && N <= 10) && 0 <= y + 1)) || ((((((7 <= i && 0 <= x) && x <= 4) && i <= 2147483646) && 0 <= 3 + y) && y <= 0) && N <= 10)) || ((((((0 <= x && 0 <= y) && i <= 2147483646) && x <= 1) && 8 <= i) && N <= 10) && y <= 2147483644)) || ((((((0 <= x && 10 <= i) && 0 <= y) && i <= 2147483646) && x <= 2147483644) && y <= 3) && N <= 10)) || ((((((0 <= x && 10 <= i) && x <= 4) && i <= 2147483646) && y <= 0) && 0 <= 6 + y) && N <= 10)) || ((((((0 <= x && i <= 2147483646) && x <= 3) && 0 <= 3 + y) && y <= 0) && 6 <= i) && N <= 10)) || ((((((0 <= y && 0 <= x + 2147483642) && i <= 2147483646) && y <= 1) && 9 <= i) && x <= 0) && N <= 10)) || ((((((((7 <= i && 0 <= x + 2147483641) && 0 <= y) && i <= 2147483646) && 0 <= x + 2147483648) && 0 <= i) && y <= 0) && x <= 0) && N <= 10)) || ((((((0 <= x && 5 <= i) && i <= 2147483646) && 0 <= 3 + y) && y <= 0) && x <= 2) && N <= 10)) || ((((((i <= 2147483646 && y <= 0) && 9 <= i) && 0 <= 6 + y) && x <= 0) && 0 <= 3 + x) && N <= 10)) || ((((((0 <= x && 0 <= y) && 5 <= i) && i <= 2147483646) && y <= 2147483642) && x <= 0) && N <= 10)) || ((((((0 <= x && y <= 4) && 0 <= y) && i <= 2147483646) && x <= 2) && 6 <= i) && N <= 10)) || ((((((0 <= x && 10 <= i) && i <= 2147483646) && 0 <= 2 + y) && x <= 2147483645) && y <= 0) && N <= 10)) || ((((((0 <= x + 4 && 5 <= i) && i <= 2147483646) && y <= 0) && x <= 0) && N <= 10) && 0 <= y + 1)) || ((((((y <= 2 && 0 <= y) && i <= 2147483646) && 3 <= i) && 0 <= x + 1) && x <= 0) && N <= 10)) || ((((((0 <= y && i <= 2147483646) && 3 <= i) && 0 <= 2 + x) && y <= 1) && x <= 0) && N <= 10)) || ((((((i <= 2147483646 && 0 <= 3 + y) && 0 <= 6 + x) && y <= 0) && 9 <= i) && x <= 0) && N <= 10)) || ((((((7 <= i && 0 <= x + 4) && i <= 2147483646) && 0 <= 3 + y) && y <= 0) && x <= 0) && N <= 10)) || ((((((10 <= i && 0 <= y + 2147483641) && i <= 2147483646) && y <= 0) && x <= 0) && 0 <= 3 + x) && N <= 10)) || ((((((0 <= x + 4 && y <= 4) && 0 <= y) && i <= 2147483646) && x <= 0) && 8 <= i) && N <= 10)) || ((((((y <= 2 && 0 <= y) && 5 <= i) && i <= 2147483646) && x <= 0) && 0 <= 3 + x) && N <= 10)) || ((((((7 <= i && 0 <= y) && i <= 2147483646) && 0 <= 6 + x) && y <= 1) && x <= 0) && N <= 10)) || (((((0 <= x && 10 <= i) && 0 <= y) && i <= 2147483646) && y <= 0) && N <= 10)) || ((((((y <= 4 && 0 <= y) && 5 <= i) && i <= 2147483646) && 0 <= x + 1) && x <= 0) && N <= 10)) || ((((((0 <= x && 0 <= y) && i <= 2147483646) && x <= 2147483644) && y <= 1) && 8 <= i) && N <= 10)) || ((((((0 <= x && 0 <= y) && i <= 2147483646) && y <= 2147483645) && x <= 0) && 8 <= i) && N <= 10)) || ((((((i <= 2147483646 && 0 <= 2 + y) && y <= 0) && 0 <= 2 + x) && x <= 0) && N <= 10) && 4 <= i)) || ((((((0 <= x && 0 <= y) && i <= 2147483646) && x <= 2147483642) && 8 <= i) && y <= 3) && N <= 10) - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-06 20:37:17,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fcb430-9b4e-4a02-8b73-e66c40e14a9c/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE