./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/ex3b.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a 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_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/ex3b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d412468cd64aacfdcefc246e93a3ecceac718c99c9cbd69d8c14d9acc4927672 --- 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-38b53e6 [2022-11-25 23:17:56,794 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:17:56,798 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:17:56,847 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:17:56,849 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:17:56,853 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:17:56,856 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:17:56,860 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:17:56,863 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:17:56,869 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:17:56,871 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:17:56,873 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:17:56,874 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:17:56,877 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:17:56,879 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:17:56,882 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:17:56,884 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:17:56,885 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:17:56,887 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:17:56,895 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:17:56,897 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:17:56,899 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:17:56,901 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:17:56,902 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:17:56,913 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:17:56,915 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:17:56,916 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:17:56,917 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:17:56,919 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:17:56,920 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:17:56,920 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:17:56,921 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:17:56,924 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:17:56,925 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:17:56,926 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:17:56,927 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:17:56,927 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:17:56,928 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:17:56,928 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:17:56,930 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:17:56,931 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:17:56,932 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-25 23:17:56,983 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:17:56,983 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:17:56,984 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:17:56,985 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:17:56,986 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:17:56,986 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:17:56,986 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:17:56,987 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:17:56,987 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:17:56,988 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:17:56,989 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:17:56,989 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:17:56,990 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:17:56,990 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:17:56,991 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:17:56,991 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:17:56,991 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:17:56,992 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:17:56,993 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:17:56,993 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:17:56,993 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:17:56,994 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:17:56,994 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:17:56,994 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:17:56,995 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:17:56,995 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 23:17:56,995 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:17:56,996 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:17:56,996 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:17:56,997 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:17:56,997 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:17:56,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:17:56,998 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:17:56,998 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:17:56,999 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:17:56,999 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:17:56,999 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:17:57,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:17:57,001 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:17:57,001 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:17:57,002 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_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d412468cd64aacfdcefc246e93a3ecceac718c99c9cbd69d8c14d9acc4927672 [2022-11-25 23:17:57,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:17:57,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:17:57,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:17:57,347 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:17:57,348 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:17:57,349 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/termination-restricted-15/ex3b.c [2022-11-25 23:18:01,151 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:18:01,465 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:18:01,466 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/sv-benchmarks/c/termination-restricted-15/ex3b.c [2022-11-25 23:18:01,473 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur/data/a34fa69ab/c80680aba76c40eeb1579ba069416e62/FLAGb57a26f36 [2022-11-25 23:18:01,495 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur/data/a34fa69ab/c80680aba76c40eeb1579ba069416e62 [2022-11-25 23:18:01,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:18:01,503 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:18:01,507 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:18:01,508 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:18:01,513 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:18:01,514 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:18:01" (1/1) ... [2022-11-25 23:18:01,515 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@567c0baa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:01, skipping insertion in model container [2022-11-25 23:18:01,516 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:18:01" (1/1) ... [2022-11-25 23:18:01,526 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:18:01,552 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:18:01,779 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:18:01,785 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:18:01,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:18:01,821 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:18:01,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:01 WrapperNode [2022-11-25 23:18:01,822 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:18:01,824 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:18:01,824 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:18:01,825 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:18:01,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:01" (1/1) ... [2022-11-25 23:18:01,840 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:01" (1/1) ... [2022-11-25 23:18:01,861 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 27 [2022-11-25 23:18:01,862 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:18:01,863 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:18:01,863 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:18:01,864 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:18:01,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:01" (1/1) ... [2022-11-25 23:18:01,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:01" (1/1) ... [2022-11-25 23:18:01,877 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:01" (1/1) ... [2022-11-25 23:18:01,878 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:01" (1/1) ... [2022-11-25 23:18:01,881 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:01" (1/1) ... [2022-11-25 23:18:01,888 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:01" (1/1) ... [2022-11-25 23:18:01,894 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:01" (1/1) ... [2022-11-25 23:18:01,895 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:01" (1/1) ... [2022-11-25 23:18:01,896 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:18:01,900 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:18:01,900 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:18:01,900 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:18:01,901 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:01" (1/1) ... [2022-11-25 23:18:01,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:18:01,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:18:01,940 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:18:01,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:18:01,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:18:01,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:18:02,086 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:18:02,088 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:18:02,235 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:18:02,256 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:18:02,256 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 23:18:02,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:18:02 BoogieIcfgContainer [2022-11-25 23:18:02,260 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:18:02,263 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:18:02,263 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:18:02,267 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:18:02,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:18:01" (1/3) ... [2022-11-25 23:18:02,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a02a2c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:18:02, skipping insertion in model container [2022-11-25 23:18:02,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:01" (2/3) ... [2022-11-25 23:18:02,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a02a2c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:18:02, skipping insertion in model container [2022-11-25 23:18:02,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:18:02" (3/3) ... [2022-11-25 23:18:02,271 INFO L112 eAbstractionObserver]: Analyzing ICFG ex3b.c [2022-11-25 23:18:02,295 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:18:02,295 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-25 23:18:02,357 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:18:02,366 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=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@57ea68b2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:18:02,366 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-25 23:18:02,372 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 8 states have (on average 1.75) internal successors, (14), 12 states have internal predecessors, (14), 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) [2022-11-25 23:18:02,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-25 23:18:02,380 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:18:02,381 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-25 23:18:02,382 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)] === [2022-11-25 23:18:02,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:18:02,391 INFO L85 PathProgramCache]: Analyzing trace with hash 1884073, now seen corresponding path program 1 times [2022-11-25 23:18:02,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:18:02,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393961836] [2022-11-25 23:18:02,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:02,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:18:02,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:18:02,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:18:02,614 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:18:02,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393961836] [2022-11-25 23:18:02,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393961836] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:18:02,616 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:18:02,616 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-25 23:18:02,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140445188] [2022-11-25 23:18:02,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:18:02,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 23:18:02,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:18:02,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 23:18:02,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 23:18:02,662 INFO L87 Difference]: Start difference. First operand has 13 states, 8 states have (on average 1.75) internal successors, (14), 12 states have internal predecessors, (14), 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 2 states, 1 states have (on average 4.0) internal successors, (4), 2 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) [2022-11-25 23:18:02,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:18:02,688 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2022-11-25 23:18:02,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 23:18:02,692 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 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 [2022-11-25 23:18:02,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:18:02,701 INFO L225 Difference]: With dead ends: 13 [2022-11-25 23:18:02,701 INFO L226 Difference]: Without dead ends: 10 [2022-11-25 23:18:02,705 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 23:18:02,709 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:18:02,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:18:02,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2022-11-25 23:18:02,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2022-11-25 23:18:02,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 9 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) [2022-11-25 23:18:02,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2022-11-25 23:18:02,747 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 4 [2022-11-25 23:18:02,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:18:02,748 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2022-11-25 23:18:02,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 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) [2022-11-25 23:18:02,748 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2022-11-25 23:18:02,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-25 23:18:02,749 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:18:02,749 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-25 23:18:02,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:18:02,750 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)] === [2022-11-25 23:18:02,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:18:02,751 INFO L85 PathProgramCache]: Analyzing trace with hash 58406313, now seen corresponding path program 1 times [2022-11-25 23:18:02,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:18:02,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422360654] [2022-11-25 23:18:02,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:02,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:18:02,763 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:18:02,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [892129864] [2022-11-25 23:18:02,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:02,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:18:02,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:18:02,768 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:18:02,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 23:18:02,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:18:02,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 23:18:02,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:18:02,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:18:02,907 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:18:02,907 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:18:02,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422360654] [2022-11-25 23:18:02,908 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:18:02,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [892129864] [2022-11-25 23:18:02,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [892129864] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:18:02,909 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:18:02,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:18:02,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769988860] [2022-11-25 23:18:02,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:18:02,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:18:02,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:18:02,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:18:02,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:18:02,913 INFO L87 Difference]: Start difference. First operand 10 states and 10 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) [2022-11-25 23:18:02,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:18:02,975 INFO L93 Difference]: Finished difference Result 10 states and 10 transitions. [2022-11-25 23:18:02,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:18:02,976 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 [2022-11-25 23:18:02,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:18:02,977 INFO L225 Difference]: With dead ends: 10 [2022-11-25 23:18:02,977 INFO L226 Difference]: Without dead ends: 9 [2022-11-25 23:18:02,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:18:02,979 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 7 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:18:02,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 10 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:18:02,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2022-11-25 23:18:02,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2022-11-25 23:18:02,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 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) [2022-11-25 23:18:02,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-25 23:18:02,984 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-25 23:18:02,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:18:02,984 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-25 23:18:02,985 INFO L496 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) [2022-11-25 23:18:02,985 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-25 23:18:02,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-25 23:18:02,986 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:18:02,986 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-25 23:18:03,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 23:18:03,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:18:03,213 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)] === [2022-11-25 23:18:03,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:18:03,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1810595755, now seen corresponding path program 1 times [2022-11-25 23:18:03,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:18:03,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175529733] [2022-11-25 23:18:03,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:03,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:18:03,230 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:18:03,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1349424154] [2022-11-25 23:18:03,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:03,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:18:03,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:18:03,233 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:18:03,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 23:18:03,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:18:03,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 23:18:03,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:18:03,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:18:03,321 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:18:03,327 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:18:03,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175529733] [2022-11-25 23:18:03,328 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:18:03,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1349424154] [2022-11-25 23:18:03,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1349424154] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:18:03,329 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:18:03,329 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-25 23:18:03,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10398547] [2022-11-25 23:18:03,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:18:03,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:18:03,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:18:03,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:18:03,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:18:03,337 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2022-11-25 23:18:03,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:18:03,369 INFO L93 Difference]: Finished difference Result 9 states and 9 transitions. [2022-11-25 23:18:03,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:18:03,370 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2022-11-25 23:18:03,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:18:03,371 INFO L225 Difference]: With dead ends: 9 [2022-11-25 23:18:03,371 INFO L226 Difference]: Without dead ends: 8 [2022-11-25 23:18:03,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:18:03,373 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:18:03,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 4 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:18:03,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2022-11-25 23:18:03,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2022-11-25 23:18:03,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 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) [2022-11-25 23:18:03,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2022-11-25 23:18:03,378 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 6 [2022-11-25 23:18:03,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:18:03,378 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2022-11-25 23:18:03,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2022-11-25 23:18:03,379 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2022-11-25 23:18:03,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-25 23:18:03,380 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:18:03,380 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:18:03,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 23:18:03,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:18:03,584 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)] === [2022-11-25 23:18:03,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:18:03,585 INFO L85 PathProgramCache]: Analyzing trace with hash 293893611, now seen corresponding path program 1 times [2022-11-25 23:18:03,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:18:03,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012946507] [2022-11-25 23:18:03,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:03,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:18:03,595 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:18:03,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [813529569] [2022-11-25 23:18:03,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:03,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:18:03,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:18:03,598 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:18:03,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 23:18:03,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:18:03,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 23:18:03,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:18:03,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:18:03,670 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:18:03,670 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:18:03,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012946507] [2022-11-25 23:18:03,671 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:18:03,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [813529569] [2022-11-25 23:18:03,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [813529569] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:18:03,672 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:18:03,672 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-25 23:18:03,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748148943] [2022-11-25 23:18:03,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:18:03,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:18:03,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:18:03,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:18:03,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:18:03,675 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2022-11-25 23:18:03,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:18:03,701 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2022-11-25 23:18:03,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:18:03,704 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 7 [2022-11-25 23:18:03,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:18:03,705 INFO L225 Difference]: With dead ends: 14 [2022-11-25 23:18:03,707 INFO L226 Difference]: Without dead ends: 13 [2022-11-25 23:18:03,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:18:03,737 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:18:03,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:18:03,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-11-25 23:18:03,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-11-25 23:18:03,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 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) [2022-11-25 23:18:03,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2022-11-25 23:18:03,743 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 7 [2022-11-25 23:18:03,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:18:03,744 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2022-11-25 23:18:03,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2022-11-25 23:18:03,745 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2022-11-25 23:18:03,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 23:18:03,745 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:18:03,746 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1] [2022-11-25 23:18:03,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-25 23:18:03,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:18:03,959 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-25 23:18:03,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:18:03,960 INFO L85 PathProgramCache]: Analyzing trace with hash 2073973287, now seen corresponding path program 1 times [2022-11-25 23:18:03,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:18:03,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531070714] [2022-11-25 23:18:03,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:03,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:18:03,971 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:18:03,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1584233006] [2022-11-25 23:18:03,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:03,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:18:03,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:18:03,974 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:18:03,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 23:18:04,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:18:04,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 23:18:04,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:18:04,061 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:18:04,062 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:18:04,112 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:18:04,113 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:18:04,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531070714] [2022-11-25 23:18:04,113 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:18:04,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1584233006] [2022-11-25 23:18:04,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1584233006] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:18:04,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [985876250] [2022-11-25 23:18:04,137 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-25 23:18:04,137 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:18:04,152 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:18:04,159 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:18:04,161 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:18:04,858 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:18:05,211 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '244#(and (<= 1 |ULTIMATE.start_main_~y~0#1|) (exists ((|v_ULTIMATE.start_main_~x~0#1_20| Int)) (and (<= 0 (+ (* |v_ULTIMATE.start_main_~x~0#1_20| |v_ULTIMATE.start_main_~x~0#1_20|) 2147483648)) (<= |v_ULTIMATE.start_main_~x~0#1_20| 46340) (= (* |v_ULTIMATE.start_main_~x~0#1_20| |v_ULTIMATE.start_main_~x~0#1_20|) |ULTIMATE.start_main_~x~0#1|) (<= 1 |v_ULTIMATE.start_main_~x~0#1_20|) (<= (* |v_ULTIMATE.start_main_~x~0#1_20| |v_ULTIMATE.start_main_~x~0#1_20|) 2147483647))) (<= |ULTIMATE.start_main_~y~0#1| 46340) (< 2147483646 |ULTIMATE.start_main_~c~0#1|))' at error location [2022-11-25 23:18:05,211 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-25 23:18:05,212 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 23:18:05,212 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2] total 4 [2022-11-25 23:18:05,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985988396] [2022-11-25 23:18:05,213 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 23:18:05,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 23:18:05,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:18:05,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 23:18:05,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-11-25 23:18:05,216 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 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) [2022-11-25 23:18:05,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:18:05,252 INFO L93 Difference]: Finished difference Result 29 states and 31 transitions. [2022-11-25 23:18:05,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:18:05,252 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 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) Word has length 12 [2022-11-25 23:18:05,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:18:05,254 INFO L225 Difference]: With dead ends: 29 [2022-11-25 23:18:05,255 INFO L226 Difference]: Without dead ends: 28 [2022-11-25 23:18:05,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 23 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-11-25 23:18:05,257 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:18:05,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 17 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:18:05,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-11-25 23:18:05,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2022-11-25 23:18:05,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 27 states have (on average 1.037037037037037) internal successors, (28), 27 states have internal predecessors, (28), 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) [2022-11-25 23:18:05,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 28 transitions. [2022-11-25 23:18:05,265 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 28 transitions. Word has length 12 [2022-11-25 23:18:05,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:18:05,266 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 28 transitions. [2022-11-25 23:18:05,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 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) [2022-11-25 23:18:05,266 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 28 transitions. [2022-11-25 23:18:05,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-25 23:18:05,267 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:18:05,268 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 1, 1, 1] [2022-11-25 23:18:05,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-25 23:18:05,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:18:05,475 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-25 23:18:05,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:18:05,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1365516523, now seen corresponding path program 2 times [2022-11-25 23:18:05,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:18:05,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944484688] [2022-11-25 23:18:05,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:05,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:18:05,489 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:18:05,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [505491951] [2022-11-25 23:18:05,489 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-25 23:18:05,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:18:05,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:18:05,491 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:18:05,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-25 23:18:05,552 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-11-25 23:18:05,552 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 23:18:05,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-25 23:18:05,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:18:05,649 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:18:05,649 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:18:05,777 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:18:05,778 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:18:05,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944484688] [2022-11-25 23:18:05,778 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:18:05,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [505491951] [2022-11-25 23:18:05,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [505491951] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:18:05,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [653064727] [2022-11-25 23:18:05,783 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-25 23:18:05,783 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:18:05,784 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:18:05,784 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:18:05,784 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:18:06,153 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:18:06,537 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '484#(and (<= 1 |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~y~0#1| 46340) (exists ((|v_ULTIMATE.start_main_~x~0#1_29| Int)) (and (<= 0 (+ (* |v_ULTIMATE.start_main_~x~0#1_29| |v_ULTIMATE.start_main_~x~0#1_29|) 2147483648)) (<= 1 |v_ULTIMATE.start_main_~x~0#1_29|) (= (* |v_ULTIMATE.start_main_~x~0#1_29| |v_ULTIMATE.start_main_~x~0#1_29|) |ULTIMATE.start_main_~x~0#1|) (<= (* |v_ULTIMATE.start_main_~x~0#1_29| |v_ULTIMATE.start_main_~x~0#1_29|) 2147483647) (<= |v_ULTIMATE.start_main_~x~0#1_29| 46340))) (< 2147483646 |ULTIMATE.start_main_~c~0#1|))' at error location [2022-11-25 23:18:06,537 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-25 23:18:06,538 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 23:18:06,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2022-11-25 23:18:06,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741215847] [2022-11-25 23:18:06,538 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 23:18:06,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 23:18:06,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:18:06,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 23:18:06,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2022-11-25 23:18:06,541 INFO L87 Difference]: Start difference. First operand 28 states and 28 transitions. Second operand has 12 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 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) [2022-11-25 23:18:06,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:18:06,602 INFO L93 Difference]: Finished difference Result 59 states and 64 transitions. [2022-11-25 23:18:06,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-25 23:18:06,603 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 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 27 [2022-11-25 23:18:06,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:18:06,604 INFO L225 Difference]: With dead ends: 59 [2022-11-25 23:18:06,605 INFO L226 Difference]: Without dead ends: 58 [2022-11-25 23:18:06,605 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 59 SyntacticMatches, 5 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2022-11-25 23:18:06,606 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:18:06,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:18:06,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-11-25 23:18:06,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2022-11-25 23:18:06,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 57 states have (on average 1.0175438596491229) internal successors, (58), 57 states have internal predecessors, (58), 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) [2022-11-25 23:18:06,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 58 transitions. [2022-11-25 23:18:06,617 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 58 transitions. Word has length 27 [2022-11-25 23:18:06,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:18:06,617 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 58 transitions. [2022-11-25 23:18:06,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 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) [2022-11-25 23:18:06,618 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 58 transitions. [2022-11-25 23:18:06,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-25 23:18:06,619 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:18:06,620 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 10, 1, 1, 1] [2022-11-25 23:18:06,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-25 23:18:06,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-25 23:18:06,832 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-25 23:18:06,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:18:06,833 INFO L85 PathProgramCache]: Analyzing trace with hash 798560619, now seen corresponding path program 3 times [2022-11-25 23:18:06,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:18:06,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301133164] [2022-11-25 23:18:06,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:06,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:18:06,846 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:18:06,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1616819835] [2022-11-25 23:18:06,846 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-25 23:18:06,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:18:06,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:18:06,848 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:18:06,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-25 23:18:06,940 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-25 23:18:06,941 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 23:18:06,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-25 23:18:06,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:18:07,198 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:18:07,198 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:18:07,580 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:18:07,580 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:18:07,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301133164] [2022-11-25 23:18:07,580 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:18:07,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1616819835] [2022-11-25 23:18:07,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1616819835] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:18:07,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2001245889] [2022-11-25 23:18:07,583 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-25 23:18:07,584 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:18:07,584 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:18:07,584 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:18:07,584 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:18:07,840 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:18:09,733 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '988#(and (<= 1 |ULTIMATE.start_main_~y~0#1|) (exists ((|v_ULTIMATE.start_main_~x~0#1_44| Int)) (and (<= 0 (+ (* |v_ULTIMATE.start_main_~x~0#1_44| |v_ULTIMATE.start_main_~x~0#1_44|) 2147483648)) (<= (* |v_ULTIMATE.start_main_~x~0#1_44| |v_ULTIMATE.start_main_~x~0#1_44|) 2147483647) (= (* |v_ULTIMATE.start_main_~x~0#1_44| |v_ULTIMATE.start_main_~x~0#1_44|) |ULTIMATE.start_main_~x~0#1|) (<= |v_ULTIMATE.start_main_~x~0#1_44| 46340) (<= 1 |v_ULTIMATE.start_main_~x~0#1_44|))) (<= |ULTIMATE.start_main_~y~0#1| 46340) (< 2147483646 |ULTIMATE.start_main_~c~0#1|))' at error location [2022-11-25 23:18:09,734 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-25 23:18:09,734 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 23:18:09,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 22 [2022-11-25 23:18:09,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396433143] [2022-11-25 23:18:09,734 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 23:18:09,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-25 23:18:09,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:18:09,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-25 23:18:09,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=309, Invalid=503, Unknown=0, NotChecked=0, Total=812 [2022-11-25 23:18:09,737 INFO L87 Difference]: Start difference. First operand 58 states and 58 transitions. Second operand has 24 states, 23 states have (on average 4.956521739130435) internal successors, (114), 23 states have internal predecessors, (114), 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) [2022-11-25 23:18:09,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:18:09,859 INFO L93 Difference]: Finished difference Result 119 states and 130 transitions. [2022-11-25 23:18:09,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-25 23:18:09,860 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 4.956521739130435) internal successors, (114), 23 states have internal predecessors, (114), 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 57 [2022-11-25 23:18:09,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:18:09,861 INFO L225 Difference]: With dead ends: 119 [2022-11-25 23:18:09,861 INFO L226 Difference]: Without dead ends: 118 [2022-11-25 23:18:09,862 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 131 SyntacticMatches, 11 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 531 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=309, Invalid=503, Unknown=0, NotChecked=0, Total=812 [2022-11-25 23:18:09,863 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:18:09,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:18:09,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2022-11-25 23:18:09,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2022-11-25 23:18:09,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 117 states have (on average 1.0085470085470085) internal successors, (118), 117 states have internal predecessors, (118), 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) [2022-11-25 23:18:09,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 118 transitions. [2022-11-25 23:18:09,888 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 118 transitions. Word has length 57 [2022-11-25 23:18:09,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:18:09,889 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 118 transitions. [2022-11-25 23:18:09,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.956521739130435) internal successors, (114), 23 states have internal predecessors, (114), 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) [2022-11-25 23:18:09,890 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 118 transitions. [2022-11-25 23:18:09,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-11-25 23:18:09,897 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:18:09,897 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 22, 1, 1, 1] [2022-11-25 23:18:09,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-25 23:18:10,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:18:10,098 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-25 23:18:10,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:18:10,099 INFO L85 PathProgramCache]: Analyzing trace with hash -462728597, now seen corresponding path program 4 times [2022-11-25 23:18:10,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:18:10,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831371982] [2022-11-25 23:18:10,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:10,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:18:10,118 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:18:10,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [965978955] [2022-11-25 23:18:10,119 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-25 23:18:10,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:18:10,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:18:10,125 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:18:10,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-25 23:18:10,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:18:10,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-25 23:18:10,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:18:10,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1265 backedges. 0 proven. 1265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:18:10,831 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:18:12,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1265 backedges. 0 proven. 1265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:18:12,042 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:18:12,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831371982] [2022-11-25 23:18:12,043 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:18:12,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [965978955] [2022-11-25 23:18:12,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [965978955] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:18:12,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1207786951] [2022-11-25 23:18:12,045 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-25 23:18:12,046 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:18:12,046 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:18:12,046 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:18:12,046 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:18:12,301 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:18:14,688 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2020#(and (<= 1 |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~y~0#1| 46340) (< 2147483646 |ULTIMATE.start_main_~c~0#1|) (exists ((|v_ULTIMATE.start_main_~x~0#1_71| Int)) (and (<= |v_ULTIMATE.start_main_~x~0#1_71| 46340) (= (* |v_ULTIMATE.start_main_~x~0#1_71| |v_ULTIMATE.start_main_~x~0#1_71|) |ULTIMATE.start_main_~x~0#1|) (<= 1 |v_ULTIMATE.start_main_~x~0#1_71|) (<= 0 (+ (* |v_ULTIMATE.start_main_~x~0#1_71| |v_ULTIMATE.start_main_~x~0#1_71|) 2147483648)) (<= (* |v_ULTIMATE.start_main_~x~0#1_71| |v_ULTIMATE.start_main_~x~0#1_71|) 2147483647))))' at error location [2022-11-25 23:18:14,688 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-25 23:18:14,688 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 23:18:14,688 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 46 [2022-11-25 23:18:14,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317375240] [2022-11-25 23:18:14,689 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 23:18:14,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-11-25 23:18:14,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:18:14,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-11-25 23:18:14,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1185, Invalid=1571, Unknown=0, NotChecked=0, Total=2756 [2022-11-25 23:18:14,696 INFO L87 Difference]: Start difference. First operand 118 states and 118 transitions. Second operand has 48 states, 47 states have (on average 4.9787234042553195) internal successors, (234), 47 states have internal predecessors, (234), 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) [2022-11-25 23:18:15,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:18:15,003 INFO L93 Difference]: Finished difference Result 239 states and 262 transitions. [2022-11-25 23:18:15,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-11-25 23:18:15,004 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 4.9787234042553195) internal successors, (234), 47 states have internal predecessors, (234), 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 117 [2022-11-25 23:18:15,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:18:15,006 INFO L225 Difference]: With dead ends: 239 [2022-11-25 23:18:15,007 INFO L226 Difference]: Without dead ends: 238 [2022-11-25 23:18:15,008 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 275 SyntacticMatches, 23 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1947 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=1185, Invalid=1571, Unknown=0, NotChecked=0, Total=2756 [2022-11-25 23:18:15,009 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:18:15,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 143 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 23:18:15,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2022-11-25 23:18:15,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2022-11-25 23:18:15,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 237 states have (on average 1.0042194092827004) internal successors, (238), 237 states have internal predecessors, (238), 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) [2022-11-25 23:18:15,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 238 transitions. [2022-11-25 23:18:15,029 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 238 transitions. Word has length 117 [2022-11-25 23:18:15,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:18:15,029 INFO L495 AbstractCegarLoop]: Abstraction has 238 states and 238 transitions. [2022-11-25 23:18:15,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 4.9787234042553195) internal successors, (234), 47 states have internal predecessors, (234), 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) [2022-11-25 23:18:15,030 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 238 transitions. [2022-11-25 23:18:15,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2022-11-25 23:18:15,034 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:18:15,034 INFO L195 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 46, 1, 1, 1] [2022-11-25 23:18:15,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-25 23:18:15,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:18:15,241 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-25 23:18:15,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:18:15,242 INFO L85 PathProgramCache]: Analyzing trace with hash 311514219, now seen corresponding path program 5 times [2022-11-25 23:18:15,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:18:15,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661283235] [2022-11-25 23:18:15,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:15,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:18:15,265 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:18:15,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1103984794] [2022-11-25 23:18:15,266 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-25 23:18:15,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:18:15,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:18:15,267 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:18:15,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-25 23:18:15,360 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2022-11-25 23:18:15,360 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 23:18:15,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 23:18:15,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:18:16,263 INFO L134 CoverageAnalysis]: Checked inductivity of 5405 backedges. 1058 proven. 0 refuted. 0 times theorem prover too weak. 4347 trivial. 0 not checked. [2022-11-25 23:18:16,263 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:18:16,263 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:18:16,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661283235] [2022-11-25 23:18:16,264 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:18:16,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1103984794] [2022-11-25 23:18:16,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1103984794] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:18:16,264 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:18:16,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 23:18:16,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335428494] [2022-11-25 23:18:16,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:18:16,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 23:18:16,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:18:16,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 23:18:16,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2022-11-25 23:18:16,267 INFO L87 Difference]: Start difference. First operand 238 states and 238 transitions. Second operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 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) [2022-11-25 23:18:16,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:18:16,457 INFO L93 Difference]: Finished difference Result 238 states and 238 transitions. [2022-11-25 23:18:16,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 23:18:16,458 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 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) Word has length 237 [2022-11-25 23:18:16,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:18:16,459 INFO L225 Difference]: With dead ends: 238 [2022-11-25 23:18:16,459 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 23:18:16,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2022-11-25 23:18:16,461 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 0 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:18:16,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 23:18:16,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 23:18:16,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 23:18:16,462 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) [2022-11-25 23:18:16,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 23:18:16,463 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 237 [2022-11-25 23:18:16,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:18:16,463 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 23:18:16,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 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) [2022-11-25 23:18:16,463 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 23:18:16,463 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 23:18:16,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-11-25 23:18:16,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-11-25 23:18:16,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-11-25 23:18:16,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-11-25 23:18:16,485 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-25 23:18:16,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:18:16,669 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 23:18:16,843 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 12) no Hoare annotation was computed. [2022-11-25 23:18:16,843 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 23:18:16,843 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 13) no Hoare annotation was computed. [2022-11-25 23:18:16,843 INFO L902 garLoopResultBuilder]: At program point L15(lines 5 16) the Hoare annotation is: true [2022-11-25 23:18:16,843 INFO L899 garLoopResultBuilder]: For program point L13(line 13) no Hoare annotation was computed. [2022-11-25 23:18:16,843 INFO L899 garLoopResultBuilder]: For program point L13-1(line 13) no Hoare annotation was computed. [2022-11-25 23:18:16,844 INFO L895 garLoopResultBuilder]: At program point L11-2(lines 11 14) the Hoare annotation is: (let ((.cse1 (not (< 46340 |ULTIMATE.start_main_~y~0#1|))) (.cse2 (<= |ULTIMATE.start_main_~y~0#1| 46340)) (.cse0 (<= 0 |ULTIMATE.start_main_~c~0#1|))) (or (and (<= |ULTIMATE.start_main_~c~0#1| 4) (exists ((|v_ULTIMATE.start_main_~x~0#1_73| Int) (|v_ULTIMATE.start_main_~x~0#1_74| Int) (|v_ULTIMATE.start_main_~x~0#1_75| Int) (|v_ULTIMATE.start_main_~x~0#1_72| Int)) (and (<= (* |v_ULTIMATE.start_main_~x~0#1_72| |v_ULTIMATE.start_main_~x~0#1_72|) |v_ULTIMATE.start_main_~x~0#1_73|) (< 1 |v_ULTIMATE.start_main_~x~0#1_72|) (<= (* |v_ULTIMATE.start_main_~x~0#1_74| |v_ULTIMATE.start_main_~x~0#1_74|) |v_ULTIMATE.start_main_~x~0#1_75|) (<= (* |v_ULTIMATE.start_main_~x~0#1_75| |v_ULTIMATE.start_main_~x~0#1_75|) |ULTIMATE.start_main_~x~0#1|) (<= (* |v_ULTIMATE.start_main_~x~0#1_73| |v_ULTIMATE.start_main_~x~0#1_73|) |v_ULTIMATE.start_main_~x~0#1_74|))) .cse0 .cse1) (and (<= |ULTIMATE.start_main_~c~0#1| 1) .cse0 (exists ((|v_ULTIMATE.start_main_~x~0#1_72| Int)) (and (< 1 |v_ULTIMATE.start_main_~x~0#1_72|) (<= (* |v_ULTIMATE.start_main_~x~0#1_72| |v_ULTIMATE.start_main_~x~0#1_72|) |ULTIMATE.start_main_~x~0#1|))) .cse1) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 0) .cse1) (and .cse2 .cse0 (exists ((|v_ULTIMATE.start_main_~x~0#1_73| Int) (|v_ULTIMATE.start_main_~x~0#1_74| Int) (|v_ULTIMATE.start_main_~x~0#1_72| Int)) (and (<= (* |v_ULTIMATE.start_main_~x~0#1_74| |v_ULTIMATE.start_main_~x~0#1_74|) |ULTIMATE.start_main_~x~0#1|) (<= (* |v_ULTIMATE.start_main_~x~0#1_72| |v_ULTIMATE.start_main_~x~0#1_72|) |v_ULTIMATE.start_main_~x~0#1_73|) (< 1 |v_ULTIMATE.start_main_~x~0#1_72|) (<= (* |v_ULTIMATE.start_main_~x~0#1_73| |v_ULTIMATE.start_main_~x~0#1_73|) |v_ULTIMATE.start_main_~x~0#1_74|))) (<= |ULTIMATE.start_main_~c~0#1| 3)) (and .cse2 .cse0 (<= |ULTIMATE.start_main_~c~0#1| 2) (exists ((|v_ULTIMATE.start_main_~x~0#1_73| Int) (|v_ULTIMATE.start_main_~x~0#1_72| Int)) (and (<= (* |v_ULTIMATE.start_main_~x~0#1_72| |v_ULTIMATE.start_main_~x~0#1_72|) |v_ULTIMATE.start_main_~x~0#1_73|) (< 1 |v_ULTIMATE.start_main_~x~0#1_72|) (<= (* |v_ULTIMATE.start_main_~x~0#1_73| |v_ULTIMATE.start_main_~x~0#1_73|) |ULTIMATE.start_main_~x~0#1|)))))) [2022-11-25 23:18:16,844 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 12) no Hoare annotation was computed. [2022-11-25 23:18:16,845 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 13) no Hoare annotation was computed. [2022-11-25 23:18:16,845 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 23:18:16,845 INFO L899 garLoopResultBuilder]: For program point L12(line 12) no Hoare annotation was computed. [2022-11-25 23:18:16,845 INFO L899 garLoopResultBuilder]: For program point L12-1(line 12) no Hoare annotation was computed. [2022-11-25 23:18:16,845 INFO L899 garLoopResultBuilder]: For program point L10(line 10) no Hoare annotation was computed. [2022-11-25 23:18:16,849 INFO L445 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1, 1] [2022-11-25 23:18:16,852 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 23:18:16,866 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] [2022-11-25 23:18:16,867 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] [2022-11-25 23:18:16,868 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_73,QUANTIFIED] [2022-11-25 23:18:16,868 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] [2022-11-25 23:18:16,868 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_74,QUANTIFIED] [2022-11-25 23:18:16,868 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_74,QUANTIFIED] [2022-11-25 23:18:16,869 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_75,QUANTIFIED] [2022-11-25 23:18:16,869 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_75,QUANTIFIED] [2022-11-25 23:18:16,869 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_75,QUANTIFIED] [2022-11-25 23:18:16,869 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_73,QUANTIFIED] [2022-11-25 23:18:16,870 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_73,QUANTIFIED] [2022-11-25 23:18:16,870 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_74,QUANTIFIED] [2022-11-25 23:18:16,870 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] [2022-11-25 23:18:16,871 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] [2022-11-25 23:18:16,871 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] [2022-11-25 23:18:16,871 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_74,QUANTIFIED] [2022-11-25 23:18:16,871 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_74,QUANTIFIED] [2022-11-25 23:18:16,872 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] [2022-11-25 23:18:16,872 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] [2022-11-25 23:18:16,872 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_73,QUANTIFIED] [2022-11-25 23:18:16,872 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] [2022-11-25 23:18:16,873 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_73,QUANTIFIED] [2022-11-25 23:18:16,873 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_73,QUANTIFIED] [2022-11-25 23:18:16,873 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_74,QUANTIFIED] [2022-11-25 23:18:16,873 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] [2022-11-25 23:18:16,874 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] [2022-11-25 23:18:16,874 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_73,QUANTIFIED] [2022-11-25 23:18:16,874 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] [2022-11-25 23:18:16,874 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_73,QUANTIFIED] [2022-11-25 23:18:16,874 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_73,QUANTIFIED] [2022-11-25 23:18:16,881 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] [2022-11-25 23:18:16,882 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] [2022-11-25 23:18:16,882 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_73,QUANTIFIED] [2022-11-25 23:18:16,882 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] [2022-11-25 23:18:16,883 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_74,QUANTIFIED] [2022-11-25 23:18:16,883 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_74,QUANTIFIED] [2022-11-25 23:18:16,883 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_75,QUANTIFIED] [2022-11-25 23:18:16,884 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_75,QUANTIFIED] [2022-11-25 23:18:16,884 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_75,QUANTIFIED] [2022-11-25 23:18:16,884 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_73,QUANTIFIED] [2022-11-25 23:18:16,884 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_73,QUANTIFIED] [2022-11-25 23:18:16,885 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_74,QUANTIFIED] [2022-11-25 23:18:16,885 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] [2022-11-25 23:18:16,885 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] [2022-11-25 23:18:16,885 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] [2022-11-25 23:18:16,886 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_74,QUANTIFIED] [2022-11-25 23:18:16,886 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_74,QUANTIFIED] [2022-11-25 23:18:16,886 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] [2022-11-25 23:18:16,886 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] [2022-11-25 23:18:16,887 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_73,QUANTIFIED] [2022-11-25 23:18:16,887 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] [2022-11-25 23:18:16,887 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_73,QUANTIFIED] [2022-11-25 23:18:16,887 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_73,QUANTIFIED] [2022-11-25 23:18:16,888 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_74,QUANTIFIED] [2022-11-25 23:18:16,888 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] [2022-11-25 23:18:16,888 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] [2022-11-25 23:18:16,888 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_73,QUANTIFIED] [2022-11-25 23:18:16,888 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] [2022-11-25 23:18:16,889 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_73,QUANTIFIED] [2022-11-25 23:18:16,889 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_73,QUANTIFIED] [2022-11-25 23:18:16,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 11:18:16 BoogieIcfgContainer [2022-11-25 23:18:16,891 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 23:18:16,892 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 23:18:16,892 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 23:18:16,892 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 23:18:16,893 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:18:02" (3/4) ... [2022-11-25 23:18:16,897 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 23:18:16,906 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-25 23:18:16,907 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-25 23:18:16,907 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-25 23:18:16,937 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((c <= 4 && (\exists v_ULTIMATE.start_main_~x~0#1_73 : int, v_ULTIMATE.start_main_~x~0#1_74 : int, v_ULTIMATE.start_main_~x~0#1_75 : int, v_ULTIMATE.start_main_~x~0#1_72 : int :: (((v_ULTIMATE.start_main_~x~0#1_72 * v_ULTIMATE.start_main_~x~0#1_72 <= v_ULTIMATE.start_main_~x~0#1_73 && 1 < v_ULTIMATE.start_main_~x~0#1_72) && v_ULTIMATE.start_main_~x~0#1_74 * v_ULTIMATE.start_main_~x~0#1_74 <= v_ULTIMATE.start_main_~x~0#1_75) && v_ULTIMATE.start_main_~x~0#1_75 * v_ULTIMATE.start_main_~x~0#1_75 <= x) && v_ULTIMATE.start_main_~x~0#1_73 * v_ULTIMATE.start_main_~x~0#1_73 <= v_ULTIMATE.start_main_~x~0#1_74)) && 0 <= c) && !(46340 < y)) || (((c <= 1 && 0 <= c) && (\exists v_ULTIMATE.start_main_~x~0#1_72 : int :: 1 < v_ULTIMATE.start_main_~x~0#1_72 && v_ULTIMATE.start_main_~x~0#1_72 * v_ULTIMATE.start_main_~x~0#1_72 <= x)) && !(46340 < y))) || ((0 <= c && c <= 0) && !(46340 < y))) || (((y <= 46340 && 0 <= c) && (\exists v_ULTIMATE.start_main_~x~0#1_73 : int, v_ULTIMATE.start_main_~x~0#1_74 : int, v_ULTIMATE.start_main_~x~0#1_72 : int :: ((v_ULTIMATE.start_main_~x~0#1_74 * v_ULTIMATE.start_main_~x~0#1_74 <= x && v_ULTIMATE.start_main_~x~0#1_72 * v_ULTIMATE.start_main_~x~0#1_72 <= v_ULTIMATE.start_main_~x~0#1_73) && 1 < v_ULTIMATE.start_main_~x~0#1_72) && v_ULTIMATE.start_main_~x~0#1_73 * v_ULTIMATE.start_main_~x~0#1_73 <= v_ULTIMATE.start_main_~x~0#1_74)) && c <= 3)) || (((y <= 46340 && 0 <= c) && c <= 2) && (\exists v_ULTIMATE.start_main_~x~0#1_73 : int, v_ULTIMATE.start_main_~x~0#1_72 : int :: (v_ULTIMATE.start_main_~x~0#1_72 * v_ULTIMATE.start_main_~x~0#1_72 <= v_ULTIMATE.start_main_~x~0#1_73 && 1 < v_ULTIMATE.start_main_~x~0#1_72) && v_ULTIMATE.start_main_~x~0#1_73 * v_ULTIMATE.start_main_~x~0#1_73 <= x)) [2022-11-25 23:18:16,943 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-25 23:18:16,943 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 23:18:16,944 INFO L158 Benchmark]: Toolchain (without parser) took 15440.94ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 123.4MB in the beginning and 86.6MB in the end (delta: 36.8MB). Peak memory consumption was 69.7MB. Max. memory is 16.1GB. [2022-11-25 23:18:16,944 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 109.1MB. Free memory is still 62.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:18:16,945 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.97ms. Allocated memory is still 153.1MB. Free memory was 123.0MB in the beginning and 114.1MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-25 23:18:16,945 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.17ms. Allocated memory is still 153.1MB. Free memory was 114.1MB in the beginning and 112.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:18:16,946 INFO L158 Benchmark]: Boogie Preprocessor took 35.96ms. Allocated memory is still 153.1MB. Free memory was 112.8MB in the beginning and 111.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:18:16,946 INFO L158 Benchmark]: RCFGBuilder took 359.98ms. Allocated memory is still 153.1MB. Free memory was 111.5MB in the beginning and 102.1MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-25 23:18:16,947 INFO L158 Benchmark]: TraceAbstraction took 14628.73ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 101.2MB in the beginning and 89.8MB in the end (delta: 11.5MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. [2022-11-25 23:18:16,947 INFO L158 Benchmark]: Witness Printer took 51.27ms. Allocated memory is still 184.5MB. Free memory was 89.8MB in the beginning and 86.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 23:18:16,949 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 109.1MB. Free memory is still 62.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 315.97ms. Allocated memory is still 153.1MB. Free memory was 123.0MB in the beginning and 114.1MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.17ms. Allocated memory is still 153.1MB. Free memory was 114.1MB in the beginning and 112.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.96ms. Allocated memory is still 153.1MB. Free memory was 112.8MB in the beginning and 111.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 359.98ms. Allocated memory is still 153.1MB. Free memory was 111.5MB in the beginning and 102.1MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 14628.73ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 101.2MB in the beginning and 89.8MB in the end (delta: 11.5MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. * Witness Printer took 51.27ms. Allocated memory is still 184.5MB. Free memory was 89.8MB in the beginning and 86.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_73,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_74,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_74,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_75,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_75,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_75,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_73,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_73,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_74,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_74,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_74,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_73,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_73,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_73,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_74,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_73,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_73,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_73,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_73,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_74,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_74,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_75,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_75,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_75,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_73,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_73,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_74,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_74,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_74,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_73,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_73,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_73,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_74,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_73,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_73,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_73,QUANTIFIED] * 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: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: 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, 13 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 14.5s, OverallIterations: 9, TraceHistogramMax: 47, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 317 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 264 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 252 IncrementalHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 53 mSDtfsCounter, 252 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 884 GetRequests, 730 SyntacticMatches, 41 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2661 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=238occurred in iteration=8, InterpolantAutomatonStates: 110, 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, 9 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 7 NumberOfFragments, 125 HoareAnnotationTreeSize, 2 FomulaSimplifications, 8 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 472 NumberOfCodeBlocks, 267 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 672 ConstructedInterpolants, 18 QuantifiedInterpolants, 2564 SizeOfPredicates, 3 NumberOfNonLiveVariables, 551 ConjunctsInSsa, 60 ConjunctsInUnsatCore, 13 InterpolantComputations, 5 PerfectInterpolantSequences, 5405/8595 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 4 specifications checked. All of them hold - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 11]: Loop Invariant [2022-11-25 23:18:16,967 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] [2022-11-25 23:18:16,967 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] [2022-11-25 23:18:16,967 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_73,QUANTIFIED] [2022-11-25 23:18:16,967 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] [2022-11-25 23:18:16,968 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_74,QUANTIFIED] [2022-11-25 23:18:16,968 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_74,QUANTIFIED] [2022-11-25 23:18:16,968 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_75,QUANTIFIED] [2022-11-25 23:18:16,968 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_75,QUANTIFIED] [2022-11-25 23:18:16,969 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_75,QUANTIFIED] [2022-11-25 23:18:16,969 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_73,QUANTIFIED] [2022-11-25 23:18:16,969 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_73,QUANTIFIED] [2022-11-25 23:18:16,969 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_74,QUANTIFIED] [2022-11-25 23:18:16,969 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] [2022-11-25 23:18:16,970 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] [2022-11-25 23:18:16,970 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] [2022-11-25 23:18:16,970 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_74,QUANTIFIED] [2022-11-25 23:18:16,970 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_74,QUANTIFIED] [2022-11-25 23:18:16,971 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] [2022-11-25 23:18:16,971 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] [2022-11-25 23:18:16,971 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_73,QUANTIFIED] [2022-11-25 23:18:16,971 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] [2022-11-25 23:18:16,971 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_73,QUANTIFIED] [2022-11-25 23:18:16,972 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_73,QUANTIFIED] [2022-11-25 23:18:16,972 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_74,QUANTIFIED] [2022-11-25 23:18:16,972 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] [2022-11-25 23:18:16,972 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] [2022-11-25 23:18:16,972 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_73,QUANTIFIED] [2022-11-25 23:18:16,973 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] [2022-11-25 23:18:16,973 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_73,QUANTIFIED] [2022-11-25 23:18:16,973 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_73,QUANTIFIED] [2022-11-25 23:18:16,974 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] [2022-11-25 23:18:16,974 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] [2022-11-25 23:18:16,975 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_73,QUANTIFIED] [2022-11-25 23:18:16,975 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] [2022-11-25 23:18:16,975 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_74,QUANTIFIED] [2022-11-25 23:18:16,975 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_74,QUANTIFIED] [2022-11-25 23:18:16,976 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_75,QUANTIFIED] [2022-11-25 23:18:16,976 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_75,QUANTIFIED] [2022-11-25 23:18:16,976 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_75,QUANTIFIED] [2022-11-25 23:18:16,976 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_73,QUANTIFIED] [2022-11-25 23:18:16,977 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_73,QUANTIFIED] [2022-11-25 23:18:16,977 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_74,QUANTIFIED] [2022-11-25 23:18:16,977 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] [2022-11-25 23:18:16,977 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] [2022-11-25 23:18:16,978 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] [2022-11-25 23:18:16,978 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_74,QUANTIFIED] [2022-11-25 23:18:16,978 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_74,QUANTIFIED] [2022-11-25 23:18:16,978 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] [2022-11-25 23:18:16,978 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] [2022-11-25 23:18:16,979 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_73,QUANTIFIED] [2022-11-25 23:18:16,979 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] [2022-11-25 23:18:16,979 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_73,QUANTIFIED] [2022-11-25 23:18:16,979 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_73,QUANTIFIED] [2022-11-25 23:18:16,980 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_74,QUANTIFIED] [2022-11-25 23:18:16,980 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] [2022-11-25 23:18:16,980 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] [2022-11-25 23:18:16,980 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_73,QUANTIFIED] [2022-11-25 23:18:16,980 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_72,QUANTIFIED] [2022-11-25 23:18:16,981 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_73,QUANTIFIED] [2022-11-25 23:18:16,981 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_73,QUANTIFIED] Derived loop invariant: ((((((c <= 4 && (\exists v_ULTIMATE.start_main_~x~0#1_73 : int, v_ULTIMATE.start_main_~x~0#1_74 : int, v_ULTIMATE.start_main_~x~0#1_75 : int, v_ULTIMATE.start_main_~x~0#1_72 : int :: (((v_ULTIMATE.start_main_~x~0#1_72 * v_ULTIMATE.start_main_~x~0#1_72 <= v_ULTIMATE.start_main_~x~0#1_73 && 1 < v_ULTIMATE.start_main_~x~0#1_72) && v_ULTIMATE.start_main_~x~0#1_74 * v_ULTIMATE.start_main_~x~0#1_74 <= v_ULTIMATE.start_main_~x~0#1_75) && v_ULTIMATE.start_main_~x~0#1_75 * v_ULTIMATE.start_main_~x~0#1_75 <= x) && v_ULTIMATE.start_main_~x~0#1_73 * v_ULTIMATE.start_main_~x~0#1_73 <= v_ULTIMATE.start_main_~x~0#1_74)) && 0 <= c) && !(46340 < y)) || (((c <= 1 && 0 <= c) && (\exists v_ULTIMATE.start_main_~x~0#1_72 : int :: 1 < v_ULTIMATE.start_main_~x~0#1_72 && v_ULTIMATE.start_main_~x~0#1_72 * v_ULTIMATE.start_main_~x~0#1_72 <= x)) && !(46340 < y))) || ((0 <= c && c <= 0) && !(46340 < y))) || (((y <= 46340 && 0 <= c) && (\exists v_ULTIMATE.start_main_~x~0#1_73 : int, v_ULTIMATE.start_main_~x~0#1_74 : int, v_ULTIMATE.start_main_~x~0#1_72 : int :: ((v_ULTIMATE.start_main_~x~0#1_74 * v_ULTIMATE.start_main_~x~0#1_74 <= x && v_ULTIMATE.start_main_~x~0#1_72 * v_ULTIMATE.start_main_~x~0#1_72 <= v_ULTIMATE.start_main_~x~0#1_73) && 1 < v_ULTIMATE.start_main_~x~0#1_72) && v_ULTIMATE.start_main_~x~0#1_73 * v_ULTIMATE.start_main_~x~0#1_73 <= v_ULTIMATE.start_main_~x~0#1_74)) && c <= 3)) || (((y <= 46340 && 0 <= c) && c <= 2) && (\exists v_ULTIMATE.start_main_~x~0#1_73 : int, v_ULTIMATE.start_main_~x~0#1_72 : int :: (v_ULTIMATE.start_main_~x~0#1_72 * v_ULTIMATE.start_main_~x~0#1_72 <= v_ULTIMATE.start_main_~x~0#1_73 && 1 < v_ULTIMATE.start_main_~x~0#1_72) && v_ULTIMATE.start_main_~x~0#1_73 * v_ULTIMATE.start_main_~x~0#1_73 <= x)) RESULT: Ultimate proved your program to be correct! [2022-11-25 23:18:17,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08b3d4-54e0-4e9b-8682-dd5ef6c5a45a/bin/utaipan-ByfvJB40ur/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