./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise.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_4f8fc89d-2b09-400a-b61e-75abfcfbd661/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8fc89d-2b09-400a-b61e-75abfcfbd661/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_4f8fc89d-2b09-400a-b61e-75abfcfbd661/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8fc89d-2b09-400a-b61e-75abfcfbd661/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8fc89d-2b09-400a-b61e-75abfcfbd661/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_4f8fc89d-2b09-400a-b61e-75abfcfbd661/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 024b54dcc71a4cff37fb88a3019598a20adbf40036f66c2a7f758cfecaaffadc --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 17:21:16,654 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 17:21:16,655 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 17:21:16,684 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 17:21:16,685 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 17:21:16,685 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 17:21:16,687 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 17:21:16,688 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 17:21:16,690 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 17:21:16,690 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 17:21:16,691 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 17:21:16,692 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 17:21:16,693 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 17:21:16,694 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 17:21:16,695 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 17:21:16,696 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 17:21:16,697 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 17:21:16,697 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 17:21:16,699 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 17:21:16,701 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 17:21:16,703 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 17:21:16,704 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 17:21:16,705 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 17:21:16,705 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 17:21:16,708 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 17:21:16,708 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 17:21:16,709 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 17:21:16,709 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 17:21:16,710 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 17:21:16,710 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 17:21:16,711 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 17:21:16,711 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 17:21:16,712 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 17:21:16,712 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 17:21:16,713 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 17:21:16,714 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 17:21:16,714 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 17:21:16,714 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 17:21:16,714 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 17:21:16,715 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 17:21:16,715 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 17:21:16,716 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8fc89d-2b09-400a-b61e-75abfcfbd661/bin/uautomizer-DrprNOufMa/config/svcomp-Overflow-64bit-Automizer_Default.epf [2021-12-06 17:21:16,732 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 17:21:16,732 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 17:21:16,733 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 17:21:16,733 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 17:21:16,733 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 17:21:16,733 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 17:21:16,734 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 17:21:16,734 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 17:21:16,734 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 17:21:16,734 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 17:21:16,734 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 17:21:16,734 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 17:21:16,734 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 17:21:16,735 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 17:21:16,735 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 17:21:16,735 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 17:21:16,735 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-12-06 17:21:16,735 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 17:21:16,735 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 17:21:16,735 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 17:21:16,735 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 17:21:16,735 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 17:21:16,736 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 17:21:16,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 17:21:16,736 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 17:21:16,736 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 17:21:16,736 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 17:21:16,736 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 17:21:16,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 17:21:16,736 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 17:21:16,736 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 17:21:16,737 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_4f8fc89d-2b09-400a-b61e-75abfcfbd661/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8fc89d-2b09-400a-b61e-75abfcfbd661/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 024b54dcc71a4cff37fb88a3019598a20adbf40036f66c2a7f758cfecaaffadc [2021-12-06 17:21:16,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 17:21:16,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 17:21:16,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 17:21:16,925 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 17:21:16,926 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 17:21:16,927 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8fc89d-2b09-400a-b61e-75abfcfbd661/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise.c [2021-12-06 17:21:16,971 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8fc89d-2b09-400a-b61e-75abfcfbd661/bin/uautomizer-DrprNOufMa/data/be69d25dd/a8ec13089e4e4fa4a5253fc20e08e396/FLAG96bc9369a [2021-12-06 17:21:17,354 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 17:21:17,354 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8fc89d-2b09-400a-b61e-75abfcfbd661/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise.c [2021-12-06 17:21:17,358 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8fc89d-2b09-400a-b61e-75abfcfbd661/bin/uautomizer-DrprNOufMa/data/be69d25dd/a8ec13089e4e4fa4a5253fc20e08e396/FLAG96bc9369a [2021-12-06 17:21:17,757 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8fc89d-2b09-400a-b61e-75abfcfbd661/bin/uautomizer-DrprNOufMa/data/be69d25dd/a8ec13089e4e4fa4a5253fc20e08e396 [2021-12-06 17:21:17,759 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 17:21:17,760 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 17:21:17,762 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 17:21:17,762 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 17:21:17,765 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 17:21:17,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:21:17" (1/1) ... [2021-12-06 17:21:17,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19a9282a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:17, skipping insertion in model container [2021-12-06 17:21:17,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:21:17" (1/1) ... [2021-12-06 17:21:17,772 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 17:21:17,780 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 17:21:17,881 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:21:17,884 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 17:21:17,893 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:21:17,901 INFO L208 MainTranslator]: Completed translation [2021-12-06 17:21:17,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:17 WrapperNode [2021-12-06 17:21:17,901 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 17:21:17,902 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 17:21:17,902 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 17:21:17,902 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 17:21:17,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:17" (1/1) ... [2021-12-06 17:21:17,911 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:17" (1/1) ... [2021-12-06 17:21:17,922 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 33 [2021-12-06 17:21:17,923 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 17:21:17,923 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 17:21:17,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 17:21:17,923 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 17:21:17,929 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:17" (1/1) ... [2021-12-06 17:21:17,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:17" (1/1) ... [2021-12-06 17:21:17,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:17" (1/1) ... [2021-12-06 17:21:17,930 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:17" (1/1) ... [2021-12-06 17:21:17,931 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:17" (1/1) ... [2021-12-06 17:21:17,935 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:17" (1/1) ... [2021-12-06 17:21:17,936 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:17" (1/1) ... [2021-12-06 17:21:17,937 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 17:21:17,938 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 17:21:17,938 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 17:21:17,938 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 17:21:17,939 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:17" (1/1) ... [2021-12-06 17:21:17,946 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 17:21:17,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8fc89d-2b09-400a-b61e-75abfcfbd661/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:21:17,962 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8fc89d-2b09-400a-b61e-75abfcfbd661/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 17:21:17,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8fc89d-2b09-400a-b61e-75abfcfbd661/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 17:21:17,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 17:21:17,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 17:21:18,033 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 17:21:18,034 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 17:21:18,106 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 17:21:18,111 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 17:21:18,112 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 17:21:18,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:21:18 BoogieIcfgContainer [2021-12-06 17:21:18,113 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 17:21:18,115 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 17:21:18,115 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 17:21:18,118 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 17:21:18,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 05:21:17" (1/3) ... [2021-12-06 17:21:18,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b11170f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:21:18, skipping insertion in model container [2021-12-06 17:21:18,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:17" (2/3) ... [2021-12-06 17:21:18,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b11170f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:21:18, skipping insertion in model container [2021-12-06 17:21:18,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:21:18" (3/3) ... [2021-12-06 17:21:18,120 INFO L111 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-wise.c [2021-12-06 17:21:18,125 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 17:21:18,125 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2021-12-06 17:21:18,164 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 17:21:18,170 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 17:21:18,170 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-12-06 17:21:18,182 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 25 states have internal predecessors, (30), 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 17:21:18,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-12-06 17:21:18,185 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:21:18,186 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-12-06 17:21:18,186 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-12-06 17:21:18,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:21:18,191 INFO L85 PathProgramCache]: Analyzing trace with hash 925608, now seen corresponding path program 1 times [2021-12-06 17:21:18,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:21:18,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643859739] [2021-12-06 17:21:18,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:21:18,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:21:18,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:21:18,309 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 17:21:18,309 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:21:18,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643859739] [2021-12-06 17:21:18,310 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643859739] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:21:18,310 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:21:18,311 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 17:21:18,312 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572557879] [2021-12-06 17:21:18,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:21:18,315 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 17:21:18,316 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:21:18,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 17:21:18,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 17:21:18,339 INFO L87 Difference]: Start difference. First operand has 26 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 25 states have internal predecessors, (30), 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 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 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 17:21:18,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:21:18,426 INFO L93 Difference]: Finished difference Result 54 states and 63 transitions. [2021-12-06 17:21:18,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 17:21:18,428 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 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 17:21:18,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:21:18,434 INFO L225 Difference]: With dead ends: 54 [2021-12-06 17:21:18,434 INFO L226 Difference]: Without dead ends: 36 [2021-12-06 17:21:18,436 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 17:21:18,439 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 63 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 17:21:18,440 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 25 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 17:21:18,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2021-12-06 17:21:18,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 22. [2021-12-06 17:21:18,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 15 states have (on average 1.6) internal successors, (24), 21 states have internal predecessors, (24), 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 17:21:18,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2021-12-06 17:21:18,464 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 24 transitions. Word has length 4 [2021-12-06 17:21:18,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:21:18,464 INFO L470 AbstractCegarLoop]: Abstraction has 22 states and 24 transitions. [2021-12-06 17:21:18,465 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 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 17:21:18,465 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2021-12-06 17:21:18,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-12-06 17:21:18,465 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:21:18,465 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-12-06 17:21:18,465 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 17:21:18,465 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-12-06 17:21:18,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:21:18,466 INFO L85 PathProgramCache]: Analyzing trace with hash 28693891, now seen corresponding path program 1 times [2021-12-06 17:21:18,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:21:18,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562966483] [2021-12-06 17:21:18,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:21:18,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:21:18,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:21:18,492 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 17:21:18,493 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:21:18,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562966483] [2021-12-06 17:21:18,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562966483] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:21:18,493 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:21:18,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 17:21:18,494 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053229771] [2021-12-06 17:21:18,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:21:18,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 17:21:18,495 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:21:18,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 17:21:18,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 17:21:18,496 INFO L87 Difference]: Start difference. First operand 22 states and 24 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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 17:21:18,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:21:18,571 INFO L93 Difference]: Finished difference Result 48 states and 58 transitions. [2021-12-06 17:21:18,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 17:21:18,571 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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 17:21:18,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:21:18,573 INFO L225 Difference]: With dead ends: 48 [2021-12-06 17:21:18,573 INFO L226 Difference]: Without dead ends: 46 [2021-12-06 17:21:18,573 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 17:21:18,575 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 43 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 17:21:18,576 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 22 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 17:21:18,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2021-12-06 17:21:18,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 31. [2021-12-06 17:21:18,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 24 states have (on average 1.5833333333333333) internal successors, (38), 30 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 17:21:18,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 38 transitions. [2021-12-06 17:21:18,584 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 38 transitions. Word has length 5 [2021-12-06 17:21:18,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:21:18,584 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 38 transitions. [2021-12-06 17:21:18,585 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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 17:21:18,585 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2021-12-06 17:21:18,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-12-06 17:21:18,585 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:21:18,585 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:21:18,585 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 17:21:18,586 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-12-06 17:21:18,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:21:18,586 INFO L85 PathProgramCache]: Analyzing trace with hash -535877839, now seen corresponding path program 1 times [2021-12-06 17:21:18,587 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:21:18,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066272200] [2021-12-06 17:21:18,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:21:18,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:21:18,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:21:18,633 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 17:21:18,633 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:21:18,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066272200] [2021-12-06 17:21:18,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066272200] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:21:18,634 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:21:18,634 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 17:21:18,634 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764583416] [2021-12-06 17:21:18,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:21:18,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 17:21:18,635 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:21:18,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 17:21:18,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-06 17:21:18,636 INFO L87 Difference]: Start difference. First operand 31 states and 38 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 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 17:21:18,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:21:18,705 INFO L93 Difference]: Finished difference Result 80 states and 102 transitions. [2021-12-06 17:21:18,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 17:21:18,706 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 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 17:21:18,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:21:18,713 INFO L225 Difference]: With dead ends: 80 [2021-12-06 17:21:18,713 INFO L226 Difference]: Without dead ends: 79 [2021-12-06 17:21:18,714 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-06 17:21:18,715 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 52 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:21:18,716 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 15 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:21:18,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2021-12-06 17:21:18,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 66. [2021-12-06 17:21:18,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 59 states have (on average 1.5932203389830508) internal successors, (94), 65 states have internal predecessors, (94), 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 17:21:18,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 94 transitions. [2021-12-06 17:21:18,727 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 94 transitions. Word has length 9 [2021-12-06 17:21:18,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:21:18,728 INFO L470 AbstractCegarLoop]: Abstraction has 66 states and 94 transitions. [2021-12-06 17:21:18,728 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 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 17:21:18,731 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 94 transitions. [2021-12-06 17:21:18,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-12-06 17:21:18,732 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:21:18,732 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:21:18,732 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 17:21:18,733 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-12-06 17:21:18,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:21:18,734 INFO L85 PathProgramCache]: Analyzing trace with hash -535878031, now seen corresponding path program 1 times [2021-12-06 17:21:18,734 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:21:18,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810905349] [2021-12-06 17:21:18,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:21:18,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:21:18,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:21:18,761 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 17:21:18,762 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:21:18,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810905349] [2021-12-06 17:21:18,762 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810905349] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:21:18,762 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:21:18,762 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 17:21:18,762 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036713349] [2021-12-06 17:21:18,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:21:18,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 17:21:18,763 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:21:18,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 17:21:18,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 17:21:18,763 INFO L87 Difference]: Start difference. First operand 66 states and 94 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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 17:21:18,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:21:18,789 INFO L93 Difference]: Finished difference Result 97 states and 131 transitions. [2021-12-06 17:21:18,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 17:21:18,789 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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 17:21:18,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:21:18,790 INFO L225 Difference]: With dead ends: 97 [2021-12-06 17:21:18,790 INFO L226 Difference]: Without dead ends: 52 [2021-12-06 17:21:18,791 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 17:21:18,792 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 13 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:21:18,792 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 15 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:21:18,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2021-12-06 17:21:18,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 43. [2021-12-06 17:21:18,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 36 states have (on average 1.4722222222222223) internal successors, (53), 42 states have internal predecessors, (53), 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 17:21:18,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 53 transitions. [2021-12-06 17:21:18,797 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 53 transitions. Word has length 9 [2021-12-06 17:21:18,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:21:18,797 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 53 transitions. [2021-12-06 17:21:18,797 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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 17:21:18,797 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 53 transitions. [2021-12-06 17:21:18,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-12-06 17:21:18,798 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:21:18,798 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:21:18,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 17:21:18,798 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-12-06 17:21:18,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:21:18,799 INFO L85 PathProgramCache]: Analyzing trace with hash 567656246, now seen corresponding path program 1 times [2021-12-06 17:21:18,799 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:21:18,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523596337] [2021-12-06 17:21:18,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:21:18,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:21:18,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:21:18,818 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 17:21:18,818 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:21:18,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523596337] [2021-12-06 17:21:18,818 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523596337] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:21:18,819 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:21:18,819 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 17:21:18,819 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365780389] [2021-12-06 17:21:18,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:21:18,819 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 17:21:18,819 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:21:18,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 17:21:18,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 17:21:18,820 INFO L87 Difference]: Start difference. First operand 43 states and 53 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 17:21:18,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:21:18,832 INFO L93 Difference]: Finished difference Result 43 states and 53 transitions. [2021-12-06 17:21:18,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 17:21:18,832 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 17:21:18,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:21:18,833 INFO L225 Difference]: With dead ends: 43 [2021-12-06 17:21:18,833 INFO L226 Difference]: Without dead ends: 42 [2021-12-06 17:21:18,833 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 17:21:18,834 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 12 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:21:18,835 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 10 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:21:18,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2021-12-06 17:21:18,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2021-12-06 17:21:18,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 41 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 17:21:18,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 51 transitions. [2021-12-06 17:21:18,839 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 51 transitions. Word has length 10 [2021-12-06 17:21:18,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:21:18,839 INFO L470 AbstractCegarLoop]: Abstraction has 42 states and 51 transitions. [2021-12-06 17:21:18,839 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 17:21:18,839 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2021-12-06 17:21:18,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-06 17:21:18,840 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:21:18,840 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:21:18,840 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 17:21:18,840 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-12-06 17:21:18,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:21:18,841 INFO L85 PathProgramCache]: Analyzing trace with hash 466887085, now seen corresponding path program 1 times [2021-12-06 17:21:18,841 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:21:18,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091978713] [2021-12-06 17:21:18,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:21:18,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:21:18,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:21:18,869 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 17:21:18,869 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:21:18,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091978713] [2021-12-06 17:21:18,870 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091978713] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:21:18,870 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:21:18,870 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 17:21:18,870 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661914516] [2021-12-06 17:21:18,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:21:18,870 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 17:21:18,870 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:21:18,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 17:21:18,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 17:21:18,871 INFO L87 Difference]: Start difference. First operand 42 states and 51 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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 17:21:18,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:21:18,896 INFO L93 Difference]: Finished difference Result 76 states and 92 transitions. [2021-12-06 17:21:18,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 17:21:18,896 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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 17:21:18,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:21:18,897 INFO L225 Difference]: With dead ends: 76 [2021-12-06 17:21:18,897 INFO L226 Difference]: Without dead ends: 41 [2021-12-06 17:21:18,897 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 17:21:18,898 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 10 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:21:18,899 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 16 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:21:18,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2021-12-06 17:21:18,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 36. [2021-12-06 17:21:18,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 35 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 17:21:18,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 41 transitions. [2021-12-06 17:21:18,904 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 41 transitions. Word has length 11 [2021-12-06 17:21:18,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:21:18,905 INFO L470 AbstractCegarLoop]: Abstraction has 36 states and 41 transitions. [2021-12-06 17:21:18,905 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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 17:21:18,905 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 41 transitions. [2021-12-06 17:21:18,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-06 17:21:18,905 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:21:18,906 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:21:18,906 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 17:21:18,906 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-12-06 17:21:18,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:21:18,907 INFO L85 PathProgramCache]: Analyzing trace with hash 466886893, now seen corresponding path program 1 times [2021-12-06 17:21:18,907 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:21:18,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926688409] [2021-12-06 17:21:18,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:21:18,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:21:18,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:21:18,933 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 17:21:18,933 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:21:18,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926688409] [2021-12-06 17:21:18,933 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926688409] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:21:18,934 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:21:18,934 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 17:21:18,934 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712053958] [2021-12-06 17:21:18,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:21:18,934 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 17:21:18,934 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:21:18,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 17:21:18,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 17:21:18,935 INFO L87 Difference]: Start difference. First operand 36 states and 41 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 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 17:21:18,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:21:18,963 INFO L93 Difference]: Finished difference Result 55 states and 61 transitions. [2021-12-06 17:21:18,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 17:21:18,963 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 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 17:21:18,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:21:18,964 INFO L225 Difference]: With dead ends: 55 [2021-12-06 17:21:18,964 INFO L226 Difference]: Without dead ends: 54 [2021-12-06 17:21:18,964 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 17:21:18,965 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 11 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:21:18,965 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 18 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:21:18,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2021-12-06 17:21:18,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 45. [2021-12-06 17:21:18,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 39 states have (on average 1.358974358974359) internal successors, (53), 44 states have internal predecessors, (53), 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 17:21:18,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 53 transitions. [2021-12-06 17:21:18,970 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 53 transitions. Word has length 11 [2021-12-06 17:21:18,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:21:18,970 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 53 transitions. [2021-12-06 17:21:18,970 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 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 17:21:18,970 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 53 transitions. [2021-12-06 17:21:18,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-06 17:21:18,970 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:21:18,971 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:21:18,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 17:21:18,971 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-12-06 17:21:18,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:21:18,971 INFO L85 PathProgramCache]: Analyzing trace with hash 56807128, now seen corresponding path program 1 times [2021-12-06 17:21:18,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:21:18,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552078447] [2021-12-06 17:21:18,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:21:18,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:21:18,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:21:19,000 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:21:19,000 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:21:19,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552078447] [2021-12-06 17:21:19,001 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552078447] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:21:19,001 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:21:19,001 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 17:21:19,001 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844594240] [2021-12-06 17:21:19,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:21:19,001 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 17:21:19,001 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:21:19,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 17:21:19,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 17:21:19,002 INFO L87 Difference]: Start difference. First operand 45 states and 53 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 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 17:21:19,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:21:19,036 INFO L93 Difference]: Finished difference Result 59 states and 68 transitions. [2021-12-06 17:21:19,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 17:21:19,036 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 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 12 [2021-12-06 17:21:19,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:21:19,037 INFO L225 Difference]: With dead ends: 59 [2021-12-06 17:21:19,037 INFO L226 Difference]: Without dead ends: 25 [2021-12-06 17:21:19,037 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:21:19,038 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 14 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:21:19,038 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 14 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:21:19,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-12-06 17:21:19,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2021-12-06 17:21:19,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 24 states have internal predecessors, (26), 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 17:21:19,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2021-12-06 17:21:19,040 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 12 [2021-12-06 17:21:19,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:21:19,041 INFO L470 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2021-12-06 17:21:19,041 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 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 17:21:19,041 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2021-12-06 17:21:19,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-06 17:21:19,041 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:21:19,041 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:21:19,041 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 17:21:19,042 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-12-06 17:21:19,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:21:19,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1588591860, now seen corresponding path program 1 times [2021-12-06 17:21:19,042 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:21:19,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155252758] [2021-12-06 17:21:19,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:21:19,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:21:19,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:21:19,062 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 17:21:19,063 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:21:19,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155252758] [2021-12-06 17:21:19,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155252758] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:21:19,063 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:21:19,063 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 17:21:19,064 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942005717] [2021-12-06 17:21:19,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:21:19,064 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 17:21:19,064 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:21:19,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 17:21:19,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 17:21:19,065 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 17:21:19,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:21:19,074 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2021-12-06 17:21:19,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 17:21:19,075 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 12 [2021-12-06 17:21:19,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:21:19,075 INFO L225 Difference]: With dead ends: 25 [2021-12-06 17:21:19,075 INFO L226 Difference]: Without dead ends: 24 [2021-12-06 17:21:19,075 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 17:21:19,076 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 6 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 9 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 17:21:19,077 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 9 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:21:19,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2021-12-06 17:21:19,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2021-12-06 17:21:19,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 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 17:21:19,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2021-12-06 17:21:19,079 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 12 [2021-12-06 17:21:19,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:21:19,080 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2021-12-06 17:21:19,080 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 17:21:19,080 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2021-12-06 17:21:19,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-12-06 17:21:19,080 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:21:19,080 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:21:19,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 17:21:19,081 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-12-06 17:21:19,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:21:19,081 INFO L85 PathProgramCache]: Analyzing trace with hash 2001707445, now seen corresponding path program 1 times [2021-12-06 17:21:19,081 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:21:19,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52224541] [2021-12-06 17:21:19,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:21:19,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:21:19,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:21:19,106 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:21:19,106 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:21:19,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52224541] [2021-12-06 17:21:19,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52224541] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:21:19,106 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:21:19,106 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 17:21:19,106 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566435308] [2021-12-06 17:21:19,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:21:19,106 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 17:21:19,107 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:21:19,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 17:21:19,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 17:21:19,107 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 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 17:21:19,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:21:19,130 INFO L93 Difference]: Finished difference Result 29 states and 30 transitions. [2021-12-06 17:21:19,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 17:21:19,131 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 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 13 [2021-12-06 17:21:19,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:21:19,131 INFO L225 Difference]: With dead ends: 29 [2021-12-06 17:21:19,131 INFO L226 Difference]: Without dead ends: 0 [2021-12-06 17:21:19,131 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:21:19,132 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 10 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:21:19,132 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 11 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:21:19,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-06 17:21:19,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-06 17:21:19,133 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 17:21:19,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-06 17:21:19,133 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2021-12-06 17:21:19,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:21:19,133 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 17:21:19,133 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 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 17:21:19,133 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-06 17:21:19,133 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-06 17:21:19,135 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2021-12-06 17:21:19,135 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2021-12-06 17:21:19,135 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2021-12-06 17:21:19,135 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2021-12-06 17:21:19,135 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2021-12-06 17:21:19,136 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2021-12-06 17:21:19,136 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2021-12-06 17:21:19,136 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2021-12-06 17:21:19,136 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-06 17:21:19,137 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-06 17:21:19,166 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2021-12-06 17:21:19,166 INFO L858 garLoopResultBuilder]: For program point L19(lines 19 23) no Hoare annotation was computed. [2021-12-06 17:21:19,166 INFO L854 garLoopResultBuilder]: At program point L19-2(lines 18 24) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= |ULTIMATE.start_main_~x~0#1| (+ 2147483647 |ULTIMATE.start_main_~y~0#1|)) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648)) (<= |ULTIMATE.start_main_~y~0#1| 2147483647) (<= |ULTIMATE.start_main_~y~0#1| (+ 2147483647 |ULTIMATE.start_main_~x~0#1|))) [2021-12-06 17:21:19,166 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2021-12-06 17:21:19,166 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-06 17:21:19,167 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2021-12-06 17:21:19,167 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-06 17:21:19,167 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2021-12-06 17:21:19,167 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-06 17:21:19,167 INFO L858 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2021-12-06 17:21:19,167 INFO L858 garLoopResultBuilder]: For program point L20-1(line 20) no Hoare annotation was computed. [2021-12-06 17:21:19,167 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2021-12-06 17:21:19,167 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-06 17:21:19,167 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2021-12-06 17:21:19,167 INFO L858 garLoopResultBuilder]: For program point L17(lines 17 25) no Hoare annotation was computed. [2021-12-06 17:21:19,167 INFO L858 garLoopResultBuilder]: For program point L17-1(lines 17 25) no Hoare annotation was computed. [2021-12-06 17:21:19,167 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2021-12-06 17:21:19,167 INFO L854 garLoopResultBuilder]: At program point L26(lines 13 27) the Hoare annotation is: (or (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= |ULTIMATE.start_main_~x~0#1| (+ 2147483647 |ULTIMATE.start_main_~y~0#1|))) [2021-12-06 17:21:19,168 INFO L858 garLoopResultBuilder]: For program point L22(line 22) no Hoare annotation was computed. [2021-12-06 17:21:19,168 INFO L858 garLoopResultBuilder]: For program point L22-1(line 22) no Hoare annotation was computed. [2021-12-06 17:21:19,168 INFO L858 garLoopResultBuilder]: For program point L18-1(line 18) no Hoare annotation was computed. [2021-12-06 17:21:19,168 INFO L858 garLoopResultBuilder]: For program point L18-2(line 18) no Hoare annotation was computed. [2021-12-06 17:21:19,168 INFO L858 garLoopResultBuilder]: For program point L18-4(line 18) no Hoare annotation was computed. [2021-12-06 17:21:19,168 INFO L858 garLoopResultBuilder]: For program point L18-5(line 18) no Hoare annotation was computed. [2021-12-06 17:21:19,168 INFO L858 garLoopResultBuilder]: For program point L18-6(lines 18 24) no Hoare annotation was computed. [2021-12-06 17:21:19,168 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2021-12-06 17:21:19,170 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:21:19,171 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 17:21:19,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 05:21:19 BoogieIcfgContainer [2021-12-06 17:21:19,182 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 17:21:19,182 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 17:21:19,182 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 17:21:19,182 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 17:21:19,183 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:21:18" (3/4) ... [2021-12-06 17:21:19,185 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-06 17:21:19,195 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-06 17:21:19,195 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-12-06 17:21:19,195 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 17:21:19,217 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8fc89d-2b09-400a-b61e-75abfcfbd661/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 17:21:19,217 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 17:21:19,217 INFO L158 Benchmark]: Toolchain (without parser) took 1457.51ms. Allocated memory is still 109.1MB. Free memory was 76.1MB in the beginning and 86.0MB in the end (delta: -9.8MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. [2021-12-06 17:21:19,218 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 73.4MB. Free memory was 51.9MB in the beginning and 51.9MB in the end (delta: 28.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 17:21:19,218 INFO L158 Benchmark]: CACSL2BoogieTranslator took 139.73ms. Allocated memory is still 109.1MB. Free memory was 75.8MB in the beginning and 87.1MB in the end (delta: -11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-06 17:21:19,218 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.74ms. Allocated memory is still 109.1MB. Free memory was 87.1MB in the beginning and 85.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 17:21:19,218 INFO L158 Benchmark]: Boogie Preprocessor took 13.96ms. Allocated memory is still 109.1MB. Free memory was 85.9MB in the beginning and 85.1MB in the end (delta: 796.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 17:21:19,219 INFO L158 Benchmark]: RCFGBuilder took 175.69ms. Allocated memory is still 109.1MB. Free memory was 85.1MB in the beginning and 75.5MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-06 17:21:19,219 INFO L158 Benchmark]: TraceAbstraction took 1067.00ms. Allocated memory is still 109.1MB. Free memory was 75.4MB in the beginning and 40.4MB in the end (delta: 35.0MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. [2021-12-06 17:21:19,219 INFO L158 Benchmark]: Witness Printer took 34.97ms. Allocated memory is still 109.1MB. Free memory was 40.4MB in the beginning and 86.0MB in the end (delta: -45.6MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. [2021-12-06 17:21:19,221 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 73.4MB. Free memory was 51.9MB in the beginning and 51.9MB in the end (delta: 28.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 139.73ms. Allocated memory is still 109.1MB. Free memory was 75.8MB in the beginning and 87.1MB in the end (delta: -11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.74ms. Allocated memory is still 109.1MB. Free memory was 87.1MB in the beginning and 85.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 13.96ms. Allocated memory is still 109.1MB. Free memory was 85.9MB in the beginning and 85.1MB in the end (delta: 796.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 175.69ms. Allocated memory is still 109.1MB. Free memory was 85.1MB in the beginning and 75.5MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1067.00ms. Allocated memory is still 109.1MB. Free memory was 75.4MB in the beginning and 40.4MB in the end (delta: 35.0MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. * Witness Printer took 34.97ms. Allocated memory is still 109.1MB. Free memory was 40.4MB in the beginning and 86.0MB in the end (delta: -45.6MB). Peak memory consumption was 4.1MB. 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: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: 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: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: 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, 26 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 10, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 234 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 234 mSDsluCounter, 155 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 58 mSDsCounter, 56 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 352 IncrementalHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 56 mSolverCounterUnsat, 97 mSDtfsCounter, 352 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=66occurred in iteration=3, InterpolantAutomatonStates: 48, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 65 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 8 NumberOfFragments, 36 HoareAnnotationTreeSize, 2 FomulaSimplifications, 39 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 44 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 86 ConstructedInterpolants, 0 QuantifiedInterpolants, 289 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 3/3 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 8 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: ((((x <= 2147483647 && x <= 2147483647 + y) && 0 <= x + 2147483648) && 0 <= y + 2147483648) && y <= 2147483647) && y <= 2147483647 + x - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: x <= 2147483647 || x <= 2147483647 + y RESULT: Ultimate proved your program to be correct! [2021-12-06 17:21:19,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8fc89d-2b09-400a-b61e-75abfcfbd661/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE