./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.15-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be23d038-da48-46bf-b83f-4e9e048314a9/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be23d038-da48-46bf-b83f-4e9e048314a9/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be23d038-da48-46bf-b83f-4e9e048314a9/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be23d038-da48-46bf-b83f-4e9e048314a9/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.15-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be23d038-da48-46bf-b83f-4e9e048314a9/bin/uautomizer-QkZJyEgLgS/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be23d038-da48-46bf-b83f-4e9e048314a9/bin/uautomizer-QkZJyEgLgS --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 9da06905288f50cb44b9fcf3eb01ce9d3ae2a7ce975483c1902e3cc7a41605c5 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 01:55:09,970 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 01:55:09,972 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 01:55:09,995 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 01:55:09,995 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 01:55:09,996 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 01:55:09,998 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 01:55:10,000 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 01:55:10,002 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 01:55:10,003 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 01:55:10,004 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 01:55:10,006 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 01:55:10,006 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 01:55:10,008 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 01:55:10,009 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 01:55:10,010 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 01:55:10,011 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 01:55:10,013 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 01:55:10,015 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 01:55:10,017 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 01:55:10,019 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 01:55:10,021 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 01:55:10,022 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 01:55:10,023 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 01:55:10,028 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 01:55:10,029 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 01:55:10,029 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 01:55:10,030 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 01:55:10,033 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 01:55:10,034 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 01:55:10,035 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 01:55:10,036 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 01:55:10,037 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 01:55:10,038 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 01:55:10,039 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 01:55:10,039 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 01:55:10,040 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 01:55:10,040 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 01:55:10,041 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 01:55:10,042 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 01:55:10,043 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 01:55:10,046 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be23d038-da48-46bf-b83f-4e9e048314a9/bin/uautomizer-QkZJyEgLgS/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-23 01:55:10,096 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 01:55:10,096 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 01:55:10,097 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 01:55:10,097 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 01:55:10,098 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 01:55:10,098 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 01:55:10,099 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 01:55:10,099 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 01:55:10,099 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 01:55:10,100 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 01:55:10,100 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 01:55:10,100 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 01:55:10,100 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 01:55:10,101 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 01:55:10,101 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 01:55:10,101 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 01:55:10,101 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 01:55:10,102 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 01:55:10,102 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 01:55:10,102 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 01:55:10,105 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 01:55:10,105 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 01:55:10,106 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 01:55:10,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 01:55:10,107 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 01:55:10,107 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 01:55:10,107 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 01:55:10,107 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 01:55:10,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 01:55:10,109 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 01:55:10,109 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 01:55:10,109 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 01:55:10,110 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 01:55:10,110 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_be23d038-da48-46bf-b83f-4e9e048314a9/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be23d038-da48-46bf-b83f-4e9e048314a9/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da06905288f50cb44b9fcf3eb01ce9d3ae2a7ce975483c1902e3cc7a41605c5 [2022-11-23 01:55:10,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 01:55:10,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 01:55:10,436 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 01:55:10,438 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 01:55:10,438 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 01:55:10,440 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be23d038-da48-46bf-b83f-4e9e048314a9/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/termination-memory-alloca/b.15-alloca.i [2022-11-23 01:55:13,591 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 01:55:13,872 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 01:55:13,872 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be23d038-da48-46bf-b83f-4e9e048314a9/sv-benchmarks/c/termination-memory-alloca/b.15-alloca.i [2022-11-23 01:55:13,886 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be23d038-da48-46bf-b83f-4e9e048314a9/bin/uautomizer-QkZJyEgLgS/data/27799ab1b/3be8a6e97a4d484cb10744b2af1c2984/FLAG05c198cb2 [2022-11-23 01:55:13,905 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be23d038-da48-46bf-b83f-4e9e048314a9/bin/uautomizer-QkZJyEgLgS/data/27799ab1b/3be8a6e97a4d484cb10744b2af1c2984 [2022-11-23 01:55:13,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 01:55:13,913 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 01:55:13,915 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 01:55:13,915 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 01:55:13,918 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 01:55:13,919 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:55:13" (1/1) ... [2022-11-23 01:55:13,920 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b923af5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:13, skipping insertion in model container [2022-11-23 01:55:13,921 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:55:13" (1/1) ... [2022-11-23 01:55:13,929 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 01:55:13,978 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 01:55:14,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 01:55:14,356 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 01:55:14,390 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 01:55:14,412 INFO L208 MainTranslator]: Completed translation [2022-11-23 01:55:14,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:14 WrapperNode [2022-11-23 01:55:14,413 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 01:55:14,414 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 01:55:14,414 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 01:55:14,414 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 01:55:14,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:14" (1/1) ... [2022-11-23 01:55:14,444 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:14" (1/1) ... [2022-11-23 01:55:14,475 INFO L138 Inliner]: procedures = 111, calls = 30, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 92 [2022-11-23 01:55:14,475 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 01:55:14,476 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 01:55:14,476 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 01:55:14,476 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 01:55:14,486 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:14" (1/1) ... [2022-11-23 01:55:14,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:14" (1/1) ... [2022-11-23 01:55:14,502 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:14" (1/1) ... [2022-11-23 01:55:14,503 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:14" (1/1) ... [2022-11-23 01:55:14,507 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:14" (1/1) ... [2022-11-23 01:55:14,516 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:14" (1/1) ... [2022-11-23 01:55:14,517 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:14" (1/1) ... [2022-11-23 01:55:14,519 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:14" (1/1) ... [2022-11-23 01:55:14,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 01:55:14,527 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 01:55:14,527 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 01:55:14,527 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 01:55:14,528 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:14" (1/1) ... [2022-11-23 01:55:14,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 01:55:14,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be23d038-da48-46bf-b83f-4e9e048314a9/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:55:14,559 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be23d038-da48-46bf-b83f-4e9e048314a9/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 01:55:14,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be23d038-da48-46bf-b83f-4e9e048314a9/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 01:55:14,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 01:55:14,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 01:55:14,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 01:55:14,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 01:55:14,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 01:55:14,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 01:55:14,797 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 01:55:14,799 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 01:55:14,956 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 01:55:14,961 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 01:55:14,962 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-23 01:55:14,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:55:14 BoogieIcfgContainer [2022-11-23 01:55:14,964 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 01:55:14,966 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 01:55:14,966 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 01:55:14,970 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 01:55:14,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:55:13" (1/3) ... [2022-11-23 01:55:14,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@262b9c0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:55:14, skipping insertion in model container [2022-11-23 01:55:14,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:14" (2/3) ... [2022-11-23 01:55:14,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@262b9c0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:55:14, skipping insertion in model container [2022-11-23 01:55:14,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:55:14" (3/3) ... [2022-11-23 01:55:14,973 INFO L112 eAbstractionObserver]: Analyzing ICFG b.15-alloca.i [2022-11-23 01:55:14,993 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 01:55:14,993 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-23 01:55:15,040 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 01:55:15,047 INFO L357 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=PETRI_NET, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2b5be3e3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 01:55:15,047 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-23 01:55:15,051 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 15 states have (on average 1.6) internal successors, (24), 19 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) [2022-11-23 01:55:15,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-23 01:55:15,056 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:55:15,056 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:55:15,057 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-23 01:55:15,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:55:15,063 INFO L85 PathProgramCache]: Analyzing trace with hash 177751404, now seen corresponding path program 1 times [2022-11-23 01:55:15,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:55:15,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849255516] [2022-11-23 01:55:15,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:55:15,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:55:15,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:16,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:55:16,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:55:16,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849255516] [2022-11-23 01:55:16,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849255516] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:55:16,510 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:55:16,511 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 01:55:16,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623206369] [2022-11-23 01:55:16,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:55:16,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 01:55:16,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:55:16,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 01:55:16,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-23 01:55:16,566 INFO L87 Difference]: Start difference. First operand has 20 states, 15 states have (on average 1.6) internal successors, (24), 19 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) Second operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 01:55:16,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:55:16,764 INFO L93 Difference]: Finished difference Result 77 states and 98 transitions. [2022-11-23 01:55:16,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-23 01:55:16,767 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-23 01:55:16,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:55:16,775 INFO L225 Difference]: With dead ends: 77 [2022-11-23 01:55:16,775 INFO L226 Difference]: Without dead ends: 39 [2022-11-23 01:55:16,779 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-23 01:55:16,782 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 45 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 01:55:16,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 74 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 01:55:16,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-11-23 01:55:16,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 21. [2022-11-23 01:55:16,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 20 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) [2022-11-23 01:55:16,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2022-11-23 01:55:16,821 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 8 [2022-11-23 01:55:16,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:55:16,821 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2022-11-23 01:55:16,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 01:55:16,822 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2022-11-23 01:55:16,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-23 01:55:16,823 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:55:16,824 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:55:16,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 01:55:16,825 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-23 01:55:16,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:55:16,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1215326290, now seen corresponding path program 1 times [2022-11-23 01:55:16,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:55:16,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199116238] [2022-11-23 01:55:16,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:55:16,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:55:16,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:17,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:55:17,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:55:17,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199116238] [2022-11-23 01:55:17,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199116238] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:55:17,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:55:17,416 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 01:55:17,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663777097] [2022-11-23 01:55:17,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:55:17,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-23 01:55:17,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:55:17,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-23 01:55:17,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-23 01:55:17,420 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 7 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) [2022-11-23 01:55:17,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:55:17,549 INFO L93 Difference]: Finished difference Result 21 states and 25 transitions. [2022-11-23 01:55:17,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 01:55:17,550 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.5) internal successors, (9), 7 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 [2022-11-23 01:55:17,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:55:17,551 INFO L225 Difference]: With dead ends: 21 [2022-11-23 01:55:17,551 INFO L226 Difference]: Without dead ends: 20 [2022-11-23 01:55:17,552 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-11-23 01:55:17,553 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 34 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 01:55:17,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 15 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 01:55:17,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-11-23 01:55:17,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-11-23 01:55:17,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 17 states have (on average 1.411764705882353) internal successors, (24), 19 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) [2022-11-23 01:55:17,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2022-11-23 01:55:17,559 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 24 transitions. Word has length 9 [2022-11-23 01:55:17,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:55:17,559 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 24 transitions. [2022-11-23 01:55:17,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.5) internal successors, (9), 7 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) [2022-11-23 01:55:17,560 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2022-11-23 01:55:17,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-23 01:55:17,560 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:55:17,560 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:55:17,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 01:55:17,561 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-23 01:55:17,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:55:17,562 INFO L85 PathProgramCache]: Analyzing trace with hash -979590610, now seen corresponding path program 1 times [2022-11-23 01:55:17,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:55:17,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419785248] [2022-11-23 01:55:17,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:55:17,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:55:17,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:17,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:55:17,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:55:17,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419785248] [2022-11-23 01:55:17,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419785248] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:55:17,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:55:17,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 01:55:17,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871568495] [2022-11-23 01:55:17,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:55:17,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 01:55:17,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:55:17,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 01:55:17,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-23 01:55:17,886 INFO L87 Difference]: Start difference. First operand 20 states and 24 transitions. Second operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 8 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) [2022-11-23 01:55:18,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:55:18,074 INFO L93 Difference]: Finished difference Result 34 states and 41 transitions. [2022-11-23 01:55:18,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 01:55:18,074 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 8 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 [2022-11-23 01:55:18,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:55:18,076 INFO L225 Difference]: With dead ends: 34 [2022-11-23 01:55:18,077 INFO L226 Difference]: Without dead ends: 33 [2022-11-23 01:55:18,077 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2022-11-23 01:55:18,079 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 44 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 01:55:18,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 25 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 01:55:18,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-11-23 01:55:18,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 25. [2022-11-23 01:55:18,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 24 states have internal predecessors, (31), 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) [2022-11-23 01:55:18,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 31 transitions. [2022-11-23 01:55:18,087 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 31 transitions. Word has length 10 [2022-11-23 01:55:18,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:55:18,088 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 31 transitions. [2022-11-23 01:55:18,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 8 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) [2022-11-23 01:55:18,088 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2022-11-23 01:55:18,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-23 01:55:18,089 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:55:18,089 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:55:18,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 01:55:18,090 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-23 01:55:18,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:55:18,091 INFO L85 PathProgramCache]: Analyzing trace with hash -302537772, now seen corresponding path program 1 times [2022-11-23 01:55:18,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:55:18,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496483639] [2022-11-23 01:55:18,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:55:18,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:55:18,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:18,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:55:18,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:55:18,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496483639] [2022-11-23 01:55:18,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496483639] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:55:18,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:55:18,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 01:55:18,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668874573] [2022-11-23 01:55:18,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:55:18,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-23 01:55:18,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:55:18,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-23 01:55:18,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-23 01:55:18,336 INFO L87 Difference]: Start difference. First operand 25 states and 31 transitions. Second operand has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 7 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) [2022-11-23 01:55:18,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:55:18,476 INFO L93 Difference]: Finished difference Result 33 states and 40 transitions. [2022-11-23 01:55:18,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 01:55:18,477 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 7 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 [2022-11-23 01:55:18,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:55:18,478 INFO L225 Difference]: With dead ends: 33 [2022-11-23 01:55:18,478 INFO L226 Difference]: Without dead ends: 32 [2022-11-23 01:55:18,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-23 01:55:18,490 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 27 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 01:55:18,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 24 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 01:55:18,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-11-23 01:55:18,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 26. [2022-11-23 01:55:18,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 23 states have (on average 1.391304347826087) internal successors, (32), 25 states have internal predecessors, (32), 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) [2022-11-23 01:55:18,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 32 transitions. [2022-11-23 01:55:18,505 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 32 transitions. Word has length 11 [2022-11-23 01:55:18,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:55:18,506 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 32 transitions. [2022-11-23 01:55:18,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 7 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) [2022-11-23 01:55:18,507 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2022-11-23 01:55:18,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-23 01:55:18,509 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:55:18,509 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:55:18,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 01:55:18,509 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-23 01:55:18,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:55:18,510 INFO L85 PathProgramCache]: Analyzing trace with hash -2061325853, now seen corresponding path program 1 times [2022-11-23 01:55:18,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:55:18,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034675503] [2022-11-23 01:55:18,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:55:18,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:55:18,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:19,760 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:55:19,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:55:19,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034675503] [2022-11-23 01:55:19,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034675503] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 01:55:19,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [314765205] [2022-11-23 01:55:19,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:55:19,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 01:55:19,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be23d038-da48-46bf-b83f-4e9e048314a9/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:55:19,767 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be23d038-da48-46bf-b83f-4e9e048314a9/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 01:55:19,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be23d038-da48-46bf-b83f-4e9e048314a9/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 01:55:19,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:19,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 51 conjunts are in the unsatisfiable core [2022-11-23 01:55:19,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:55:38,830 WARN L233 SmtUtils]: Spent 18.74s on a formula simplification. DAG size of input: 303 DAG size of output: 145 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 01:55:38,832 INFO L321 Elim1Store]: treesize reduction 1044, result has 31.4 percent of original size [2022-11-23 01:55:38,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 14 new quantified variables, introduced 49 case distinctions, treesize of input 4054 treesize of output 5065 [2022-11-23 01:55:39,619 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 42 [2022-11-23 01:55:40,593 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 22 [2022-11-23 01:55:41,975 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 26 [2022-11-23 01:55:42,885 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 44 [2022-11-23 01:55:43,453 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 26 [2022-11-23 01:55:52,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 26 [2022-11-23 01:55:56,175 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-11-23 01:57:17,158 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 113 [2022-11-23 01:57:18,069 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 01:57:18,071 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2022-11-23 01:59:52,869 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4695 treesize of output 4689 [2022-11-23 01:59:56,536 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4701 treesize of output 4695 [2022-11-23 02:00:04,993 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2022-11-23 02:00:08,542 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2022-11-23 02:00:08,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2022-11-23 02:00:15,717 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 26 [2022-11-23 02:06:26,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 02:06:26,623 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 02:06:41,304 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 02:06:41,340 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 02:06:41,361 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 02:06:42,594 INFO L321 Elim1Store]: treesize reduction 81, result has 9.0 percent of original size [2022-11-23 02:06:42,606 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 15 case distinctions, treesize of input 50118 treesize of output 47242 [2022-11-23 02:08:16,436 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 02:08:16,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 02:08:16,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 02:08:16,696 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 02:08:16,701 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 02:08:16,702 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 02:08:16,708 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 02:08:16,709 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 02:08:16,810 INFO L321 Elim1Store]: treesize reduction 37, result has 17.8 percent of original size [2022-11-23 02:08:16,812 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 8 case distinctions, treesize of input 3232 treesize of output 3302 [2022-11-23 02:08:18,298 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2022-11-23 02:08:18,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2022-11-23 02:08:18,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 02:08:18,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 02:08:18,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 02:08:18,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 02:08:18,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 02:08:18,623 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 02:08:18,634 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 02:08:18,651 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 02:08:18,658 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 02:08:18,667 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 02:08:18,671 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 02:08:18,699 INFO L321 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2022-11-23 02:08:18,700 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 546 treesize of output 648 [2022-11-23 02:08:18,821 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 48 [2022-11-23 02:08:19,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 02:08:19,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 02:08:19,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 02:08:19,585 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 02:08:19,850 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 02:08:19,867 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 02:08:19,874 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 02:08:19,885 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 02:08:19,895 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 02:08:19,990 INFO L321 Elim1Store]: treesize reduction 37, result has 17.8 percent of original size [2022-11-23 02:08:19,991 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 3463 treesize of output 3257 [2022-11-23 02:08:22,427 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 442 treesize of output 434 [2022-11-23 02:08:23,633 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 02:08:30,394 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 02:08:30,446 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 02:08:30,473 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 02:08:38,893 WARN L233 SmtUtils]: Spent 8.39s on a formula simplification. DAG size of input: 311 DAG size of output: 201 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 02:08:38,894 INFO L321 Elim1Store]: treesize reduction 817, result has 44.1 percent of original size [2022-11-23 02:08:38,906 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 13 new quantified variables, introduced 55 case distinctions, treesize of input 29289 treesize of output 32784